CN111907028B

CN111907028B - Three-layer plastic masterbatch processing system

Info

Publication number: CN111907028B
Application number: CN202010847653.9A
Authority: CN
Inventors: 龚勋
Original assignee: Dongguan Dingyu New Material Co ltd
Current assignee: Dongguan Dingyu New Material Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2024-11-15
Anticipated expiration: 2040-08-21
Also published as: CN111907028A

Abstract

The present application relates to the field of plastic processing equipment, and in particular to a three-layer plastic masterbatch processing system, which includes a workshop, a batching device for temporarily storing raw materials, a weighing device for weighing raw materials, a stirring device for pre-mixing auxiliary materials, and a plastic extruder. The workshop includes the first floor, the second floor, and the third floor; the batching device is located on the third floor, the weighing device and the stirring device are located on the second floor, and the plastic extruder is located on the first floor. The plastic extruder includes a main material filling hopper and an auxiliary material filling hopper; the lower part of the batching device is connected to the upper part of the weighing device, the lower part of the weighing device is connected to the main material filling hopper, the feeding end of the stirring device is located on the third floor, and the lower part of the stirring device is connected to the auxiliary material filling hopper. The present application has the advantages of small workshop area, prevention of dust pollution, convenience for staff operation and maintenance, and no need for high-altitude operation; materials are transported from top to bottom, and the transportation efficiency is high.

Description

Three-layer plastic master batch processing system

Technical Field

The application relates to the field of plastic processing equipment, in particular to a three-layer plastic master batch processing system.

Background

The plastic is prepared by taking monomers as raw materials, adding various auxiliary materials such as fillers, plasticizers, lubricants, stabilizers, colorants, antistatic agents and the like into the polymer compound for improving the performance of the plastic by polymerization of polyaddition or polycondensation reaction.

At present, a plastic master batch processing workshop generally comprises a batching area, a stirring area and a forming area, the batching area, the stirring area and the forming area are large, the occupied area of the workshop is large, the production cost of enterprises is increased, partition management is inconvenient, a spiral conveyor is mainly used as a conveying line for materials between the areas, the occupied area of the conveying line is large, the conveying efficiency is low, dust is easily generated in the conveying process, workers need to climb to a high place during maintenance of the spiral conveyor, maintenance is inconvenient, and personal safety of the maintenance workers cannot be guaranteed.

With respect to the related art described above, the inventors consider that there is a defect that the floor area of the workshop is large.

Disclosure of Invention

In order to solve the problem of large occupied area of workshops, the application provides a three-layer plastic master batch processing system, which has the effect of small occupied area of workshops.

The application provides a three-layer plastic master batch processing system, which adopts the following technical scheme:

The three-layer plastic master batch processing system comprises a workshop, a batching device for temporarily storing raw materials, a weighing device for weighing the raw materials, a stirring device for pre-stirring auxiliary materials and a plastic extruder, wherein the workshop comprises a first floor, a second floor and a third floor;

The material proportioning device is arranged in the third floor, the material weighing device and the stirring device are arranged in the second floor, the plastic extruder is arranged in the first floor, and the plastic extruder comprises a main material filling hopper and an auxiliary material filling hopper;

the lower part of the batching device is connected with the upper part of the weighing device, the lower part of the weighing device is connected with the main material filling hopper, the feeding end of the stirring device is arranged on the third floor, and the lower part of the stirring device is connected with the auxiliary material filling hopper.

By adopting the technical scheme, the workshop is divided into three layers, the occupied area of the workshop is effectively reduced, raw materials and auxiliary materials are all operated from the third building, dust is prevented from flying to other areas of the workshop when the materials are filled, dust pollution is prevented, meanwhile, the operation and maintenance of workers are facilitated, the overhead operation is not needed, and the personal safety of the workers is effectively improved; the materials are conveyed by gravity from top to bottom, so that the conveying distance is effectively shortened, the occupied area of the conveying line is reduced, and the conveying efficiency is high.

Preferably, the batching device comprises a batching bin, wherein the batching bin comprises a material injection bin, a temporary storage bin and a discharge pipe which are sequentially connected, a bin cover is arranged at the top of the material injection bin, and a material injection opening is formed in the bin cover; a material stirring device is arranged in the material injection bin, a material level gauge is arranged in the temporary storage bin, the material level gauge comprises a warning lamp, and the warning lamp is electrically connected with the material level gauge; the discharging pipe penetrates through the floor slab of the third building and is connected with the upper portion of the weighing device, and a discharging switch is arranged at the lower portion of the discharging pipe.

Through adopting above-mentioned technical scheme, through charge level indicator and warning light cooperation, suggestion staff adds raw and other materials in to annotating the feed bin, prevent to save the feed level of raw and other materials in the feed bin too low temporarily, needn't the staff frequently look over the feed level of raw and other materials in the dosing unit, effectively reduce staff's work load, help lifting means production automation.

Preferably, the material injection port comprises a bin cover plate, the bin cover plate covers the material injection port, one end of the bin cover plate is hinged with the bin cover, and a carrying handle is arranged at the top of the other end of the bin cover plate.

By adopting the technical scheme, the bin cover plate covers the material injection port, so that the material injection port is sealed, and external impurities are prevented from entering the material injection bin; the bin cover plate can be opened or covered by the handle, so that the bin cover plate can be opened or covered more easily, and the operation is simple.

Preferably, the stirring device comprises a stirring shaft, a speed reducer and a driving motor, stirring blades are arranged at the lower part of the stirring shaft and are symmetrically arranged along the radial direction of the stirring shaft, the stirring blades are positioned in the injection bin, the upper part of the stirring shaft is connected with a gear of the speed reducer, and an output shaft of the driving motor is connected with a worm of the speed reducer.

Through adopting above-mentioned technical scheme, make driving motor drive the stirring axle through the reduction gear and rotate, stirring blade rotates along with stirring axle, stir the raw and other materials in the notes feed bin and break up, prevent the raw and other materials caking in the notes feed bin.

Preferably, the speed reducer and the driving motor are positioned at the top of the bin cover, an output shaft of the driving motor is connected with a worm of the speed reducer through a rigid coupling, a shaft hole is formed in the middle of the bin cover, and the upper part of the stirring shaft penetrates through the shaft hole and is connected with a gear of the speed reducer in an interference fit mode.

Through adopting above-mentioned technical scheme, make driving motor drive through the reduction gear and dial the rotation of material axle, realize reducing driving motor rotational speed and improve output torque simultaneously, make and dial the material blade and be difficult for blocking when stirring raw and other materials.

Preferably, the outer wall of the injection bin is provided with a support column fixed on the third floor slab.

Through adopting above-mentioned technical scheme, make the proportioning bins be fixed in the floor of third building through the support column, the unloading pipe of being convenient for passes the floor of third building and is connected with weighing device's upper portion.

Preferably, the material weighing device comprises a machine table, wherein one end of the machine table is provided with an electronic scale, and the other end of the machine table is provided with a controller;

The electronic scale comprises a spiral discharging mechanism, a first discharging pipe is arranged at the lower part of the spiral discharging mechanism, the first discharging pipe is connected with the main material filling hopper, a feeding barrel is arranged at the upper end of the spiral discharging mechanism, the lower part of the feeding barrel is communicated with the upper part of the spiral discharging mechanism, a soft connecting piece is arranged at the top of the feeding barrel, the upper end of the soft connecting piece is connected with the lower part of the discharging pipe, a discharging switch is arranged between the discharging pipe and the soft connecting piece, and a controller is respectively connected with the electronic scale, the spiral discharging mechanism and the discharging switch in an electric connection mode.

Through adopting above-mentioned technical scheme, the operation of weighing of material, easy operation effectively improves weighing efficiency, weighs the precision height moreover, helps lifting means production automation.

Preferably, the spiral discharging mechanism comprises a charging barrel, a screw and a servo motor, wherein the charging barrel is fixed on the electronic scale, and a charging barrel connecting pipe used for being connected with the charging barrel is arranged in the middle of the charging barrel;

One end of the charging barrel is connected with the first discharging pipe, the servo motor is connected with one end of the charging barrel away from the first discharging pipe, the screw rod rotates in the charging barrel, one end of the screw rod, which is close to the servo motor, is connected with an output shaft of the servo motor, and the servo motor is electrically connected with the controller.

Through adopting above-mentioned technical scheme, make the raw and other materials in the feedwell carry the discharging pipe through spiral discharge mechanism, make the raw and other materials that weigh discharge weighing device easy operation through the discharging pipe, the staff of being convenient for operate.

Preferably, the feed bin is the back taper, the feed bin includes back taper ladle body and big apron, big apron is located back taper ladle body top, big apron with the back taper ladle body passes through the clamp connection, soft connecting piece is located big apron, back taper ladle body lower part with the storage bucket connecting pipe passes through the clamp connection.

Through adopting above-mentioned technical scheme, the feedwell is the back taper, makes the granular raw and other materials in the feedwell flow into spiral discharge mechanism along the barrel wall of back taper in, is difficult for stagnating the material, the raw and other materials in the blowing-out bucket of being convenient for.

Preferably, a first dust removing pipe is arranged on one side of the large cover plate away from the soft connecting piece.

Through adopting above-mentioned technical scheme, be connected with outside vacuum tube through first dust removal pipe, realize sucking away the dust in the feed drum.

Preferably, the feeding barrel is cylindrical, the feeding barrel comprises a cylindrical barrel body and a small cover plate, the small cover plate is positioned at the top of the cylindrical barrel body, the small cover plate is connected with the cylindrical barrel body through a clamp, the small cover plate is arranged on the soft connecting piece, and the lower part of the cylindrical barrel body is connected with the connecting pipe of the charging barrel through the clamp.

By adopting the technical scheme, the powdery raw materials in the feeding barrel directly flow into the connecting pipe of the charging barrel along the cylindrical barrel wall, so that the raw materials are difficult to be stagnated and are convenient to discharge in the charging barrel.

Preferably, a spiral stirring motor is arranged on one side, close to the servo motor, of the charging basket connecting pipe, a spiral stirring rod is arranged in the charging basket connecting pipe, the spiral stirring motor drives the spiral stirring rod to rotate, and the spiral stirring motor is electrically connected with the controller.

By adopting the technical scheme, the inside of the spiral discharging mechanism is not easy to be stagnated, and raw materials inside the spiral discharging mechanism are convenient to be discharged.

Preferably, a second dust removing pipe is arranged on one side of the small cover plate away from the soft connecting piece.

Through adopting above-mentioned technical scheme, through second dust removal pipe and external vacuum tube connection, realize sucking away the dust in the feed drum.

The stirring device comprises a frame, a travelling mechanism is arranged at the lower part of the frame, and a stirring groove is arranged at the upper part of the frame; the material mixing tank comprises a feeding pipe and a discharging pipe II, the feeding pipe is arranged at the upper part of the material mixing tank, a material conveying pipeline for inputting auxiliary materials to the material mixing tank is arranged at the upper end of the feeding pipe, the material conveying pipeline is arranged in the third building, and the discharging pipe II is arranged at the lower part of the material mixing tank; the stirring device is arranged in the stirring groove in a rotating way, and a driving device for driving the stirring mechanism to rotate is arranged on one side of the stirring groove.

Through adopting above-mentioned technical scheme, promote the frame, can remove agitating unit to the station of needs on, make agitating unit be convenient for remove, help improving agitating unit work flexibility.

Preferably, the travelling mechanism comprises a wheel frame and a first roller, and the upper part of the wheel frame is connected with the frame;

The lower part of the wheel frame is provided with a rotating shaft, and the first idler wheel is rotationally connected with the rotating shaft.

Through adopting above-mentioned technical scheme, running gear installs in the frame lower part, promotes the frame and can make gyro wheel one roll on the second floor ground, makes agitating unit be convenient for remove, helps improving agitating unit work flexibility.

Preferably, the travelling mechanism comprises a guide groove fixed on the second floor, and the first roller rolls along the guide groove.

Through adopting above-mentioned technical scheme, through the first roll of guide slot guide roller, be convenient for plan the route that agitating unit moved, be convenient for to agitating unit removal directional.

Preferably, a trough cover plate is arranged at the top of the stirring trough, the feeding pipe is arranged on the trough cover plate, a fast-assembling clamp is arranged on the upper portion of the feeding pipe, and the feeding pipeline is connected with the feeding pipe through the fast-assembling clamp.

By adopting the technical scheme, the dust of the stirring trough is effectively prevented from flying outwards by the trough cover plate; meanwhile, the inside of the stirring trough can be observed by opening the trough cover plate, so that the working state inside the stirring trough can be conveniently monitored. Make inlet pipe upper portion can be quick with the conveying pipeline connection through the fast-assembling clamp, realize inputting the auxiliary material of third building to the inlet pipe through the conveying pipeline, finally enter into in the stirring inslot.

Preferably, the fast-assembling clamp includes clamping hoop, locking screw and nut, clamping hoop both ends are equipped with first draw-in groove and second draw-in groove respectively, locking screw's stiff end with first draw-in groove is articulated, locking screw's free end card in the second draw-in groove, the nut with locking screw's free end threaded connection.

Through adopting above-mentioned technical scheme, make feed pipe upper portion can be quick with the conveying pipeline connection through the fast-assembling clamp.

Preferably, the rear end of the trough cover plate is hinged with the frame, a lock catch is arranged at the front end of the frame, the lock catch comprises a lock catch movable end and a lock catch fixed end, the lock catch fixed end is fixed at the front end of the trough cover plate, and the lock catch movable end is connected with the front end of the frame.

Through adopting above-mentioned technical scheme, through hasp expansion end and hasp stiff end lock joint or separation, realize that the silo apron is opened or is closed with mixing the silo.

Preferably, the second discharging pipe is provided with a plugboard mechanism at one end close to the mixing groove, the plugboard mechanism comprises a plugboard and a cylinder, the side wall of the second discharging pipe is provided with a sliding guide socket, the free end of the plugboard slides in the sliding guide socket, and the fixed end of the plugboard is connected with a piston rod of the cylinder.

By adopting the technical scheme, whether auxiliary materials in the mixing tank are discharged or not is controlled through the plugboard mechanism, and the operation is convenient.

Preferably, the stirring mechanism comprises a stirring shaft and a spiral stirring blade, the spiral stirring blade is fixed on the stirring shaft, bearing seats are respectively arranged at two ends of the stirring groove, and two ends of the stirring shaft are rotationally connected with the bearing seats.

Through adopting above-mentioned technical scheme, rabbling mechanism rotates with the bearing frame at stirring silo both ends to be connected, makes spiral stirring leaf rotate along with it through rotating the (mixing) shaft, realizes stirring the auxiliary material in the stirring silo.

Preferably, the driving device comprises a motor, a driving gear is arranged at the output end of the motor, a driven gear is arranged at one end, close to the driving device, of the stirring shaft, and the driving gear drives the driven gear to rotate.

Through adopting above-mentioned technical scheme, drive gear passes through the chain and drives driven gear rotation, realizes that drive arrangement drives rabbling mechanism and rotates.

The workshop comprises a fresh air device and an exhaust device, the fresh air device comprises a fresh air pipeline, the fresh air pipeline is arranged in the workshop, the air inlet end of the fresh air pipeline is connected with the output end of the external air purification device, and the fresh air pipeline is provided with a plurality of louver air inlets;

the exhaust device comprises an exhaust pipeline and an exhaust fan, the exhaust pipeline is fixed in the middle of the workshop, the air inlet end of the exhaust pipeline is provided with a plurality of exhaust pipes, the air outlet end of the exhaust pipeline is connected with the air exhaust end of the external air exhaust device, and the exhaust fan is arranged on the rear wall of the workshop.

By adopting the technical scheme, the air quality in the workshop is improved, the air in the workshop is kept fresh, and the comfort of staff in the workshop is improved.

Preferably, the workshop comprises a first floor, a second floor and a third floor which are arranged from bottom to top, wherein the second floor is positioned above the rear end of the first floor, a material weighing room and a material mixing room are formed between the front wall body and the rear wall body of the second floor through plastic curtains, and a window is arranged at the upper part of the front wall body of the second floor;

the third floor comprises a stock room and an batching room, wherein the stock room and the batching room are separated by a plastic curtain, the stock room is positioned at the front end of the third floor, and the batching room is positioned at the rear end of the third floor;

The fresh air pipeline comprises a main pipeline and a branch pipeline, a gas distribution pipe is arranged between the main pipeline and the branch pipeline, the gas distribution pipe comprises a gas inlet, a first gas distribution port and a second gas distribution port, the gas inlet is connected with the output end of the external air purification device, the first gas distribution port is connected with the gas inlet end of the main pipeline, and the second gas distribution port is connected with the gas inlet end of the branch pipeline;

the main pipeline is fixedly connected with the bottom of the third building and is positioned at the upper part of the front end of the first building, and the branch pipeline is fixed at the upper part of the rear inner wall of the third building;

the exhaust fan is arranged on the rear wall of the first floor, the second floor and the third floor.

By adopting the technical scheme, the main pipeline and the branch pipeline respectively convey purified fresh air to the batching room of the first floor and the third floor, and the window is opened to enable the batching room and the mixing room to be communicated with the first floor, so that fresh air is continuously supplemented in the first floor, the second floor and the third floor; the exhaust fan discharges air in the first floor, the second floor and the third floor outside the workshop through the rear wall body of the workshop, so that the air fluidity inside the workshop is improved, the air inside the workshop is kept fresh, and the comfort of staff in the workshop is improved.

Preferably, the waste gas pipeline is fixedly connected with the middle position of the third floor bottom and is positioned at the lower part of the second floor front wall body, the exhaust pipe comprises a front exhaust pipe and a rear exhaust pipe, the front exhaust pipe extends to the front end of the first floor, and the rear exhaust pipe extends to the rear end of the first floor.

Through adopting above-mentioned technical scheme, realize that the waste gas that produces in the workshop is absorbed away through the exhaust tube, help reducing the inside harmful gas in workshop.

Preferably, the workshop comprises a lifting device for transporting materials to a third floor, the lifting device is arranged in the workshop and comprises a lifting base platform and a lifting platform, the horizontal height of the lifting base platform is lower than that of the first floor, a frame is arranged on the lifting base platform, a sliding frame is arranged on the upper portion of the frame, a lifting mechanism is arranged on the lower portion of the frame, and the lifting mechanism is in sliding connection with the sliding frame;

The lifting platform is characterized in that a sliding connecting piece is arranged at the lower part of the lifting platform and is in sliding connection with the frame, rotating wheels are respectively arranged at two ends of the upper part of the lifting mechanism, a chain is arranged on each rotating wheel, one end of each chain is fixed on the frame, and the other end of each chain is fixed on the lifting platform.

Through adopting above-mentioned technical scheme, realize transporting the material to the third building, elevating gear simple structure simultaneously, convenient maintenance.

Preferably, the lifting mechanism comprises an electric hydraulic push rod and a transverse push rod, a piston rod of the electric hydraulic push rod is fixedly connected with the transverse push rod, and the rotating chain wheels are arranged at two ends of the transverse push rod; the transverse pushing rod is far away from the end face of the rotating chain wheel, a roller II is arranged on the inner side of the sliding frame, a first sliding groove is formed in the inner side of the sliding frame, and the roller II rolls along the vertical direction that the first sliding groove is close to the inner wall of the frame.

Through adopting above-mentioned technical scheme, make elevating system follow the vertical direction of balladeur train and slide from top to bottom, electronic hydraulic push rod adopts quick-witted, electricity, the full enclosed construction of liquid integration simultaneously, and the working oil circuit circulation is little in pressureless closed steel cylinder, is difficult for the oil leak, is convenient for install and overhaul maintenance.

Preferably, a beam is arranged in the middle of the frame, the electric hydraulic push rod is fixed on the lifting base, a cylinder barrel of the electric hydraulic push rod is fixedly connected with the beam, and the lower part of the sliding frame is fixedly connected with the beam.

By adopting the technical scheme, the sliding frame is arranged on the upper part of the frame, and the lifting mechanism is arranged on the lower part of the frame.

Preferably, a fixed block is arranged at the lower edge of the lifting platform, one end of the chain is fixedly connected with the fixed block, and the other end of the chain is fixedly connected with the cross beam.

By adopting the technical scheme, one end of the chain is fixed on the frame, and the other end of the chain is fixed on the lifting platform.

Preferably, the sliding connection piece comprises a shell, an inner roller and an outer roller, wherein the rear end of the shell is fixed with the lifting platform through welding, the inner roller is arranged in the shell through a pin shaft in a rotating mode, the outer roller is rotated at one end of the shell away from the inner roller through the pin shaft, the frame is provided with a second sliding groove, the inner roller rolls along the vertical direction of the second sliding groove, which is close to the outer wall of the lifting platform, and the outer roller rolls along the vertical direction of the second sliding groove, which is close to the inner wall of the lifting platform.

Through adopting above-mentioned technical scheme, realize sliding connection spare and frame sliding connection, simple structure, the maintenance of being convenient for.

Preferably, guardrails are arranged at the edges of two sides of the lifting platform.

Through adopting above-mentioned technical scheme, surpass both sides border through the material in the effectual restriction lift platform of guardrail, effectively protect the safety of transportation material.

Preferably, a protective net is arranged on the periphery of the frame, and the lower part of the protective net is fixedly connected with the lifting base.

Through adopting above-mentioned technical scheme, prevent through the protection network that elevating gear during operation staff from entering into lift platform, effectively protect staff's personal safety.

Preferably, the protection net is provided with a protection door.

Through adopting above-mentioned technical scheme, when elevating gear stop work, entering lift platform that can be convenient through the guard gate, the guard gate is closed simultaneously also can prevent that elevating gear during operation staff from entering into lift platform, effectively protects staff's personal safety.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the workshop is divided into three layers, so that the occupied area of the workshop is effectively reduced, raw materials and auxiliary materials are all operated from a third building, dust is prevented from flying to other areas of the workshop when the materials are filled, dust pollution is prevented, meanwhile, the operation and maintenance of workers are facilitated, high-altitude operation is not needed, and the personal safety of the workers is effectively improved; the materials are conveyed by gravity from top to bottom, so that the conveying distance is effectively shortened, the occupied area of a conveying line is reduced, and the conveying efficiency is high;

2. The batching device is matched with the warning lamp through the material level indicator, prompts a worker to add auxiliary materials into the injection bin, prevents the material level of the auxiliary materials in the temporary storage bin from being too low, does not need the worker to frequently check the material level of the auxiliary materials in the batching device, effectively reduces the workload of the worker, and is beneficial to the production automation of lifting equipment;

3. the material weighing operation of the weighing device is simple to operate, the weighing efficiency is effectively improved, the weighing precision is high, and the production automation of lifting equipment is facilitated;

4. the stirring device can be moved to a required station by pushing the frame of the stirring device, so that the stirring device is convenient to move, and the work flexibility of the stirring device is improved;

5. The fresh air pipeline and the waste gas pipeline are used for improving the air quality in the workshop, so that the air in the workshop is kept fresh, and the comfort of staff in the workshop is improved;

6. the lifting device has a simple structure and is convenient to overhaul and maintain.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present application.

Fig. 2 is a schematic diagram of the plant structure of embodiment 1 of the present application.

Fig. 3 is a schematic diagram of a second floor structure in embodiment 1 of the present application.

Fig. 4 is a schematic diagram of a three-story structure according to embodiment 1 of the present application.

Fig. 5 is a schematic view of the structure of an external air purification device according to embodiment 1 of the present application.

Fig. 6 is an exploded view of the external air cleaning device according to embodiment 1 of the present application.

Fig. 7 is a schematic perspective view of a dispensing apparatus according to embodiment 1 of the present application.

Fig. 8 is a schematic sectional view of a dispensing apparatus according to example 1 of the present application.

Fig. 9 is a schematic perspective view of a weighing apparatus according to embodiment 1 of the present application.

Fig. 10 is a schematic sectional view of a weighing apparatus according to embodiment 1 of the present application.

Fig. 11 is a schematic perspective view of a weighing apparatus according to embodiment 2 of the present application.

Fig. 12 is a schematic sectional view of a weighing apparatus according to embodiment 2 of the present application.

FIG. 13 is a schematic perspective view showing a stirring device according to example 1 of the present application.

Fig. 14 is an enlarged schematic view of the a portion structure of fig. 13.

FIG. 15 is a schematic cross-sectional view of a stirring device according to example 1 of the present application.

Fig. 16 is an enlarged schematic view of the B section structure of fig. 15.

Fig. 17 is an enlarged schematic view of the C-section structure of fig. 15.

Fig. 18 is a schematic perspective view of a lifting device according to embodiment 1 of the present application.

Fig. 19 is a schematic view of the lifting device according to embodiment 1 of the present application.

Fig. 20 is a schematic view showing a sliding connector structure according to embodiment 1 of the present application.

FIG. 21 is a schematic diagram of a guard net according to embodiment 1 of the present application.

Reference numerals illustrate: 1. a workshop; 111. Building one; 112. building II; 113. third building; 1121. a weighing room; 1122. a material mixing room; 1123. a window; 1131. the material storage room; 1132. the batching room; 12. an external air purifying device; 121. a housing; 122. a door panel; 123. a first filter chamber; 1231. a filter plate; 1232. a first filter aperture; 1233. an air inlet pipe; 1234. bending the pipe; 1235. an upper clamping groove; 1236. a lower clamping groove; 124. a second filter chamber; 1241. a filter box; 1242. a second filter aperture; 1243. a connection hole; 1244. an upper through hole; 1245. clamping edges; 125. a third filter chamber; 1251. obliquely inserting a filter plate; 1252. a third filter aperture; 1253. an air outlet; 1254. an inclined socket; 1255. an inclined clamping groove; 13. a fresh air pipeline; 131. a main pipeline; 132. a branch pipeline; 133. a gas distribution pipe; 1331. an air inlet; 1332. a first gas dividing port; 1333. a second air dividing port; 14. a shutter air port; 15. an exhaust gas line; 151. an external air extraction device; 1511. a wind box; 1512. an exhaust fan; 152. an exhaust pipe; 1521. a front exhaust pipe; 1522. a rear exhaust pipe; 16. an exhaust fan;

2. A batching device; 21. a proportioning bin; 22. a material injection bin; 221. a support column; 23. temporary storage bin; 24. a discharge tube; 25. a bin cover; 251. a material injection port; 252. a bin cover plate; 253. a handle; 254. an air port; 255. a flexible connecting pipe; 256. a shaft hole; 26. a stirring device; 261. a stirring shaft; 2611. a stirring blade; 262. a speed reducer; 263. a driving motor; 27. a level gauge; 271. a warning light; 28. a discharge switch;

3. a weighing device; 31. a machine table; 32. an electronic scale; 33. a controller; 34. A spiral discharging mechanism; 341. a charging barrel; 342. a screw; 343. a servo motor; 344. a charging basket connecting pipe; 35. a first discharging pipe; 351. a tube cover; 36. a feed barrel; 361. a flexible connecting member; 362. a back taper barrel body; 363. a large cover plate; 364. a cylindrical barrel body; 365. a small cover plate; 366. a spiral stirring motor; 367. a spiral stirring rod; 368. a first dust removal pipe; 369. a second dust removal pipe;

4. A stirring device; 41. a frame; 42. a walking mechanism; 421. a wheel carrier; 422. a roller I; 423. a rotating shaft; 424. a guide groove; 43. a stirring groove; 431. a feed pipe; 432. a second discharging pipe; 4321. a slide guiding socket; 433. a cover plate; 434. a fast-assembling clamp; 4341. a clamping ring; 4342. locking the screw rod; 4343. a nut; 4344. a first clamping groove; 4345. a second clamping groove; 435. locking; 4351. a locking movable end; 4352. a latch fixed end; 436. the plugboard mechanism; 4361. inserting plate; 4362. a cylinder; 437. a bearing seat; 44. a stirring mechanism; 441. a stirring shaft; 442. spiral stirring blades; 443. a driven gear; 45. a driving device; 451. a motor; 452. a drive gear; 46. a material conveying pipeline;

5. a plastic extruder; 51. a main material filling hopper; 52. adding auxiliary materials into a filling hopper;

6. A lifting device; 61. lifting the base station; 62. a lifting platform; 621. a fixed block; 622. guard bars; 63. a frame; 631. a cross beam; 632. a second chute; 64. a carriage; 641. a first chute; 65. a lifting mechanism; 651. an electro-hydraulic push rod; 652. a transverse pushing rod; 653. a second roller; 66. a sliding connection; 661. a housing; 662. an inner roller; 663. an outer roller; 67. a sprocket wheel; 68. a chain; 69. a protective net; 691. a protective door.

Detailed Description

The application is described in further detail below with reference to fig. 1-21.

The embodiment 1 of the application discloses a three-layer plastic master batch processing system, referring to fig. 1 to 4, which comprises a workshop 1, a batching device 2 for temporarily storing raw materials, a weighing device 3 for weighing the raw materials, a stirring device 4 for pre-stirring auxiliary materials and a plastic extruder 5, wherein the workshop 1 comprises a first floor 111, a second floor 112 and a third floor 113, the first floor 111 is a forming area, the second floor 112 is a stirring area, and the third floor 113 is a batching area;

The batching device 2 is arranged in a third building 113, so that the batching device 2 is arranged in a batching zone, the weighing device 3 and the stirring device 4 are arranged in a second building 112, the weighing device 3 and the stirring device 4 are arranged in a stirring zone, the plastic extruder 5 is arranged in a first building 111, the plastic extruder 5 is arranged in a forming zone, and all the zones are longitudinally arranged, so that the occupied area of a workshop is smaller, and meanwhile, equipment in all the zones is convenient to manage;

The plastic extruder 5 comprises a main material filling hopper 51 and an auxiliary material filling hopper 52, wherein plastic production raw materials are added through the main material filling hopper 51, and materials are assisted through the auxiliary material filling hopper 52;

The lower part of the batching device 2 is connected with the upper part of the weighing device 3, the lower part of the weighing device 3 is connected with the main material filling hopper 51, so that raw materials in a batching area are filled into the batching device 2, and the raw materials are weighed and then are input into the main material filling hopper 51; the feeding end of the stirring device 4 is arranged in a third building 113, the lower part of the stirring device 4 is connected with the auxiliary material filling hopper 52, so that auxiliary materials can be filled into the stirring device 4 in a material mixing area, the auxiliary materials are input into the auxiliary material filling hopper 52 after being mixed, the operation of raw materials and the auxiliary materials from the third building is realized, dust is prevented from flying to other areas of a workshop 1 during material filling, dust pollution is prevented, the operation and maintenance of workers are facilitated, the high-altitude operation is not needed, and the personal safety of the workers is effectively improved; the materials are conveyed by gravity from top to bottom, so that the conveying distance is effectively shortened, the occupied area of the conveying line is reduced, and the conveying efficiency is high.

Referring to fig. 7 and 8, the batching device 2 comprises a batching bin 21, wherein the batching bin 21 comprises a filling bin 22, a temporary storage bin 23 and a discharge pipe 24, the upper end surface of the temporary storage bin 23 on the lower end surface of the filling bin 22 is fixed by welding, the lower part of the temporary storage bin 23 is inserted into the upper part of the discharge pipe 24 and fixed by welding, so that the filling bin 22, the temporary storage bin 23 and the discharge pipe 24 are sequentially connected;

the discharge pipe 24 penetrates through the floor slab of the third floor to be connected with the upper part of the weighing device 3, so that the lower part of the batching device 2 is connected with the upper part of the weighing device 3;

Referring to fig. 8, a discharge switch 28 is provided at the lower portion of the discharge pipe 24, the discharge switch 28 is connected with the discharge pipe 24 through a flange, and the discharge of raw materials in the discharge pipe 24 is controlled by the discharge switch 28;

Referring to fig. 8, a bin cover 25 is provided on the top of the injection bin 22, and the bin cover 25 is provided with a material injection port 251, so that raw materials can be conveniently injected into the injection bin 22 through the material injection port 251;

Referring to fig. 8, a kick-out device 26 is arranged at the upper part in the injection bin 22, and the kick-out device 26 is used for poking up raw materials to prevent the raw materials in the injection bin 22 from caking;

The lower part in the temporary storage bin 23 is provided with the material level indicator 27, the material level indicator 27 comprises a warning lamp 271, the warning lamp 271 is electrically connected with the material level indicator 27, the stock quantity of raw materials in the material injection bin 22 is detected in real time through the material level indicator 27, when the material level of the raw materials in the material injection bin 22 is lower than the material level indicator 27, the material level indicator 27 is communicated with the warning lamp 271, the warning lamp 271 is lightened, a worker is prompted to add the raw materials into the material injection bin 22, the material level of the raw materials in the temporary storage bin 23 is prevented from being too low, the worker does not need to frequently check the material level of the raw materials in the batching device, the workload of the worker is effectively reduced, the production efficiency is improved, and the production automation of equipment is promoted.

Referring to fig. 8, the injection port 251 includes a bin cover plate 252, and the bin cover plate 252 covers the injection port 251 to seal the injection port 251 and prevent external impurities from entering the injection bin 22;

Referring to fig. 7, one end of the bin cover plate 252 is hinged with the bin cover 25 by a hinge, such that one end of the bin cover plate 252 is hinged with the bin cover 25;

Referring to fig. 7, a handle 253 is provided at the top of the other end of the bin cover plate 252, and the bin cover plate 252 can be opened or covered by the handle 253, so that the bin cover plate 252 can be opened or covered more easily, and the operation is simple.

Referring to fig. 8, the stirring device 26 includes a stirring shaft 261, a decelerator 262 and a driving motor 263, stirring blades 2611 are provided at the lower part of the stirring shaft 261, the stirring blades 2611 are symmetrically arranged along the stirring shaft 261 in the radial direction, the stirring blades 2611 are positioned in the injection bin 22, the stirring blades 2611 are contacted with the raw material in the injection bin 22,

Referring to fig. 8, the upper part of the stirring shaft 261 is connected with a gear of the speed reducer 262, and the output shaft of the driving motor 263 is connected with a worm of the speed reducer 262, so that the driving motor 263 drives the stirring shaft 261 to rotate through the speed reducer 262, the rotation speed of the driving motor 263 is reduced, the output torque is increased, the stirring vane 2611 rotates along with the stirring shaft 261, the raw materials in the injection bin 22 are stirred and scattered, and the raw materials in the injection bin 22 are prevented from caking.

Referring to fig. 8, a decelerator 262 is fixed on the top of a bin cover 25 through a bolt, a driving motor 263 is located at one side of the decelerator 262, an output shaft of the driving motor 263 is connected with a worm of the decelerator 262 through a rigid coupling, a shaft hole 256 is formed in the middle of the bin cover 25, the upper portion of a stirring shaft 261 passes through the shaft hole 256 and is in interference fit connection with a gear of the decelerator 262, the driving motor 263 drives the stirring shaft 261 to rotate through the decelerator 262, the rotation speed of the driving motor 263 is reduced, meanwhile, the output torque is improved, and stirring of raw materials by stirring blades 2611 is not easy to be blocked.

Referring to fig. 7, the outer wall of the filling bin 22 is welded with a supporting column 221 of a floor slab fixed thereto, and the proportioning bin 21 is fixed to the floor slab of the third floor by bolts through the supporting column 221, so that the discharge pipe 24 passes through the floor slab of the third floor and is connected with the upper part of the weighing device 3.

Referring to fig. 8, the bin cover 25 is provided with an air port 254, and dust in the injection bin 22 can be discharged outside the injection bin 22 through the air port 254;

Referring to fig. 8, a flexible connection pipe 255 is connected to an upper end of the gas port 254, and the gas port 254 is conveniently connected to an external vacuum exhaust pipe through the flexible connection pipe 255.

The flexible connecting tube 255 is a canvas sleeve through which the air port 254 is more conveniently connected to an external vacuum exhaust pipe, while being sturdy and durable.

Referring to fig. 8, the level gauge 27 is a rotation-resisting type level gauge, a rotating blade of the rotation-resisting type level gauge is located in the injection bin 22, when the level of raw materials in the injection bin 22 is lower than the level gauge 27, the rotating blade is free from material, the rotating blade rotates anticlockwise, the level gauge is communicated with the warning lamp 271, the warning lamp 271 is lightened, a worker is prompted to add raw materials into the injection bin 22, and the situation that the level of raw materials in the temporary storage bin 23 is too low is prevented;

When the material level of the raw materials in the material filling bin 22 is higher than the material level indicator 27, the material is arranged at the rotary blade part, the rotation of the rotary blade is blocked, the power supply of the material level indicator motor is disconnected, the material level indicator is disconnected and connected with the warning lamp 271, and the warning lamp 271 is extinguished.

Referring to fig. 8, the discharge switch 28 is a pneumatic butterfly valve, and the raw material in the discharge pipe 24 is controlled to be discharged outside the proportioning bin 21 by the pneumatic butterfly valve.

Referring to fig. 8, the included angle a between the inner wall of the temporary storage bin 23 and the inner wall of the injection bin 22 is 148-158 °, so that the raw material in the injection bin 22 is not easy to be stagnated when flowing into the temporary storage bin 23.

Preferably, the included angle a between the inner wall of the temporary storage bin 23 and the inner wall of the injection bin 22 is 148 degrees, so that the raw materials in the injection bin 22 are not easy to be stagnated when flowing into the temporary storage bin 23.

Preferably, the included angle a between the inner wall of the temporary storage bin 23 and the inner wall of the injection bin 22 is 150 degrees, so that the raw materials in the injection bin 22 are not easy to be stagnated when flowing into the temporary storage bin 23.

Preferably, the included angle a between the inner wall of the temporary storage bin 23 and the inner wall of the injection bin 22 is 158 degrees, so that the raw materials in the injection bin 22 are not easy to be stagnated when flowing into the temporary storage bin 23.

Referring to fig. 13, the weighing device 3 includes a machine 31, one end of the machine 31 is provided with an electronic scale 32, the electronic scale 32 is fixed on the top of the machine 31 by bolts, the electronic scale 32 is used for weighing materials, the other end of the machine 31 is provided with a controller 33, the controller 33 is fixed on one side of the top of the machine 31 far away from the electronic scale 32 by bolts, so that the controller 33 is close to the edge of the machine 31, and the operation of staff is facilitated;

The electronic scale 32 comprises a spiral discharging mechanism 34, and the spiral discharging mechanism 34 is fixed on the top of the electronic scale 32; the upper part of the spiral discharging mechanism 34 is provided with a feeding barrel 36, the lower part of the feeding barrel 36 is communicated with the upper part of the spiral discharging mechanism 34, and materials are input into the spiral discharging mechanism 34 through the feeding barrel 36, so that the electronic scale 32 weighs the raw materials in the spiral discharging mechanism 34 and the feeding barrel 36; the lower part of the spiral discharging mechanism 34 is provided with a first discharging pipe 35, the first discharging pipe 35 is connected with a main material filling hopper 51, and the weighed raw materials are discharged into the main material filling hopper 51 through the first discharging pipe 35, so that the plastic extruder 5 can be conveniently processed subsequently;

the top of the feed bin 36 is provided with a soft connecting piece 361, the upper end of the soft connecting piece 361 is connected with the lower part of the discharge pipe 24, so that the feed bin 36 is connected with the lower part of the discharge pipe 24 through the soft connecting piece 361, the lower part of the discharge pipe 24 is flexibly connected with the feed bin 36, materials are conveniently input into the feed bin 36, meanwhile, the quality of the batching device 2 is prevented from influencing the weighing of the electronic scale 32, and the electronic scale 32 is accurately weighed;

The discharge switch 28 is arranged between the discharge pipe 24 and the flexible connecting piece 361, the discharge switch 28 is controlled to control the input quantity of raw materials in the discharge pipe 24 to the feed hopper 36, so that the weighing precision is effectively improved, the operation of workers is facilitated, and the production automation of equipment is promoted;

The controller 33 is respectively and electrically connected with the electronic scale 32, the spiral discharging mechanism 34 and the discharging switch 28, and the controller 33 can control the electronic scale 32, the spiral discharging mechanism 34 and the discharging switch 28, so that the operation of workers is facilitated, and the production automation of lifting equipment is facilitated.

Referring to fig. 14, the screw discharging mechanism 34 includes a cylinder 341, a screw 342 and a servo motor 343, the cylinder 341 is fixed on the electronic scale 32, a barrel connecting pipe 344 is arranged in the middle of the cylinder 341, the upper part of the barrel connecting pipe 344 is connected with the lower part of the feed barrel 36, so that the lower part of the feed barrel 36 is communicated with the upper part of the screw discharging mechanism 34;

One end of a charging barrel 341 is connected with a first discharging pipe 35, a servo motor 343 is connected to one end of the charging barrel 341 far away from the first discharging pipe 35, a screw 342 rotates in the charging barrel 341, one end of the screw 342 close to the servo motor 343 is connected with an output shaft of the servo motor 343 through a rigid coupler, the servo motor 343 is electrically connected with a controller 33, the servo motor 343 is controlled by the controller 33 to drive the screw 342 to rotate in the charging barrel 341, raw materials in a feeding barrel 36 are conveyed to the first discharging pipe 35 through a spiral discharging mechanism 34, the weighed raw materials are discharged out of a weighing device through the first discharging pipe 35, the operation is simple, the operation of workers is convenient, and the production automation of lifting equipment is facilitated.

Referring to fig. 14, the feed barrel 36 is in an inverted cone shape, so that granular raw materials in the feed barrel 36 flow into the spiral discharging mechanism 34 along the wall of the inverted cone shape, and the raw materials in the material barrel are not easy to be stagnated, and are convenient to be discharged;

The feeding barrel 36 comprises a back-taper barrel body 362 and a large cover plate 363, the large cover plate 363 is positioned at the top of the back-taper barrel body 362, the large cover plate 363 is connected with the back-taper barrel body 362 through a clamp, the large cover plate 363 is connected with the back-taper barrel body 362, and meanwhile, the disassembly and the assembly are convenient, and the maintenance are convenient;

The flexible connecting piece 361 is arranged on the large cover plate 363, so that the flexible connecting piece 361 is arranged on the top of the feeding barrel 36;

the lower part of the inverted cone barrel 362 is connected with the barrel connecting pipe 344 through a clamp, the feeding barrel 36 is connected with the charging barrel connecting pipe 344, and meanwhile, the assembly and the disassembly are convenient, and the maintenance is convenient.

Referring to fig. 14, a first dust removing pipe 368 is disposed on a side of the large cover plate 363 away from the flexible connection member 361, the first dust removing pipe 368 is communicated with the inside of the back taper barrel 362, and the dust in the feeding barrel 36 is sucked away by connecting the first dust removing pipe 368 with an external vacuum pipe.

Referring to fig. 14, the flexible connecting member 361 is a canvas sleeve, which enables the discharge tube 24 to be flexibly connected with the feed tank 36, facilitates the feeding of material into the feed tank 36, and prevents the quality of the dispensing device 2 from affecting the weighing of the electronic scale 32, so that the weighing of the electronic scale 32 is accurate.

Referring to fig. 14, the upper end of the first discharging pipe 35 is provided with a pipe cover 351, and the pipe cover 351 is opened, so that the internal condition of the first discharging pipe 35 can be monitored in real time, and the working condition of the first discharging pipe 35 can be monitored conveniently.

Referring to fig. 13, the stirring device 4 comprises a frame 41, a travelling mechanism 42 is arranged at the lower part of the frame 41, so that the stirring device 4 has travelling capability, and the stirring device 4 can be moved to a station to be arranged by pushing the frame 41;

Referring to fig. 13, a mixing tub 43 is welded to an upper portion of the frame 41; the material mixing tank 43 comprises a feeding pipe 431 and a second discharging pipe 432, the feeding pipe 431 is arranged at the upper part of the material mixing tank 43, a material conveying pipeline 46 for inputting auxiliary materials into the material mixing tank 43 is arranged at the upper end of the feeding pipe 431, the material conveying pipeline 46 is arranged in the third building 113, and the auxiliary materials in the material mixing area are input into the feeding pipe 431 through the material conveying pipeline 46 and finally enter the material mixing tank 43;

Referring to fig. 15, a second discharge pipe 432 is provided at the lower part of the stirring tank 43; the stirring mechanism 44 is arranged in the stirring groove 43 in a rotating mode, one side of the stirring groove 43 is provided with the driving device 45 used for driving the stirring mechanism 44 to rotate, the driving device 45 drives the stirring mechanism 44 to rotate in the stirring groove 43, auxiliary materials in the stirring groove 43 are fully mixed and discharged from the second discharging pipe 432, the mixed auxiliary materials are conveniently conveyed to a forming area, after the auxiliary materials are conveyed, the rack 41 is pushed, the stirring device 4 can be moved to other needed stations, the stirring device 4 is conveniently moved, and the working flexibility of the stirring device 4 is improved.

Referring to fig. 15 and 16, the traveling mechanism 42 includes a wheel frame 421 and a roller 422, the upper portion of the wheel frame 421 being welded to the bottom of the frame 41, so that the traveling mechanism 42 is mounted to the lower portion of the frame 41;

The lower part of the wheel frame 421 is provided with a rotating shaft 423, the first roller 422 is rotationally connected with the rotating shaft 423, so that the travelling mechanism 42 has travelling capacity, the first roller 422 can roll on the ground of the second floor 112 by pushing the frame 41, the stirring device 4 is convenient to move, and the working flexibility of the stirring device 4 is improved.

Preferably, the roller one 422 includes a roller bearing (not shown), so that the inner ring of the roller bearing (not shown) is connected with the rotating shaft 423 in an interference fit manner, and the outer ring of the roller bearing (not shown) and the rotating shaft 423 realize low friction rotation through the rolling of rollers, so that the pushing frame 41 can save more labor and ease when the stirring device 4 is moved.

Referring to fig. 15, the travelling mechanism 42 includes a guide groove 424 fixed on the floor of the second floor 112, and the first roller 422 rolls along the guide groove 424, so that the first roller 422 is guided by the guide groove 424 to roll, which is convenient for planning the moving route of the stirring device 4 and for pointing the stirring device 4.

Referring to fig. 15, a trough cover 433 is provided on the top of the stirring trough 43 to seal the stirring trough 43 and prevent dust from flying out of the stirring trough 43; meanwhile, the interior of the stirring trough 43 can be observed by opening the trough cover plate 433, so that the working state of the interior of the stirring trough 43 can be conveniently monitored;

the feeding pipe 431 is arranged on the trough cover 433, the upper part of the feeding pipe 431 is provided with a fast-assembling clamp 434, and the upper part of the feeding pipe 431 can be fast connected with the conveying pipeline 46 through the fast-assembling clamp 434.

Referring to fig. 13 and 14, the quick-mounting clip 434 includes a clip 4341, a locking screw 4342 and a nut 4343, wherein a first clip groove 4344 and a second clip groove 4345 are respectively provided at two ends of the clip 4341, a fixed end of the locking screw 4342 is hinged to the first clip groove 4344, a free end of the locking screw 4342 is clamped in the second clip groove 4345, the nut 4343 is screwed to a free end of the locking screw 4342, the material conveying pipeline 46 is sleeved in the quick-mounting clip 434, and an end face of the material conveying pipeline 46 is abutted to an end face of the material feeding pipe 431 in the quick-mounting clip 434, and when the nut 4343 is locked with the free end of the locking screw 4342, two ends of the clip 4341 are forced to approach each other, so that the material conveying pipeline 46 and the material feeding pipe 431 are connected quickly.

Referring to fig. 13 and 14, the rear end of the trough cover 433 is hinged to the frame 41 through a hinge, so that the trough cover 433 covers the top of the stirring trough 43, a lock 435 is arranged at the front end of the frame 41, the lock 435 comprises a lock movable end 4351 and a lock fixed end 4352, the lock fixed end 4352 is fixed at the front end of the trough cover 433, the bottom of the lock movable end 4351 is connected to the front end of the frame 41, and the trough cover 433 and the stirring trough 43 are opened or closed through the lock movable end 4351 and the lock fixed end 4352 in a buckling or separating manner.

Referring to fig. 15 and 17, an insert plate mechanism 436 is disposed at one end of the second discharge pipe 432 near the mixing tank 43, the insert plate mechanism 436 includes an insert plate 4361 and an air cylinder 4362, a slide guiding insertion opening 4321 is disposed on a side wall of the second discharge pipe 432, a free end of the insert plate 4361 slides in the slide guiding insertion opening 4321, a fixed end of the insert plate 4361 is connected with a piston rod of the air cylinder 4362, when the piston rod of the air cylinder 4362 extends, the insert plate 4361 is inserted into the second discharge pipe 432 from the slide guiding insertion opening 4321, a extending stroke of the piston rod of the air cylinder 4362 is controlled, the insert plate 4361 can be controlled to close or conduct the second discharge pipe 432, whether auxiliary materials in the mixing tank 43 are discharged or not is achieved, and operation is convenient.

Referring to fig. 13, stirring mechanism 44 includes stirring shaft 441 and spiral stirring blade 442, spiral stirring blade 442 is fixed in stirring shaft 441 through the bolt, and stirring groove 43 both ends are equipped with bearing frame 437 respectively, and stirring shaft 441 both ends are connected with the bearing inner race interference fit of bearing frame 437, make the bearing outer lane of bearing frame 437 realize low friction rotation with stirring shaft 441 through the roll of ball, make stirring mechanism 44 rotate in stirring groove 43 more easily smooth and easy.

Referring to fig. 15, the driving device 45 includes a motor 451, a driving gear 452 is disposed at an output end of the motor 451, a driven gear 443 is disposed at an end of the stirring shaft 441 near the driving device 45, and the driving gear 452 drives the driven gear 443 to rotate through a chain, so that the driving device 45 drives the stirring mechanism 44 to rotate.

Referring to fig. 1 and 2, a workshop 1 comprises a fresh air device and an exhaust device, the fresh air device comprises a fresh air pipeline 13, the fresh air pipeline 13 is arranged in the workshop 1, an air inlet end of the fresh air pipeline 13 is connected with an output end of an external air purifying device 12, the fresh air pipeline 13 is provided with a plurality of louver air openings 14, and purified fresh air is input into the workshop 1 from the fresh air pipeline 13 through the louver air openings 14 through the external air purifying device 12, so that fresh air is continuously supplemented in the workshop 1;

referring to fig. 2, the exhaust device includes an exhaust gas pipeline 15 and an exhaust fan 16, the exhaust gas pipeline 15 is fixed in the middle part in the workshop 1, the air inlet end of the exhaust gas pipeline 15 is provided with a plurality of exhaust pipes 152, the air outlet end of the exhaust gas pipeline 15 is connected with the air outlet end of an external air exhaust device 151, and exhaust gas generated in the workshop 1 is sucked away through the exhaust pipes 152 by the external air exhaust device 151 and is exhausted out of the workshop 1, so that harmful gas in the workshop 1 is reduced;

referring to fig. 2, the exhaust fan 16 is disposed on the rear wall of the workshop 1, and the exhaust fan 16 discharges the air of the workshop 1 to the outside of the workshop 1, thereby helping to improve the air flowability in the workshop 1, keeping the air in the workshop 1 fresh, and helping to improve the comfort of the staff in the workshop 1.

Referring to fig. 3, the workshop 1 comprises a first floor 111, a second floor 112 and a third floor 113 which are arranged from bottom to top, wherein the second floor 112 is positioned above the rear end of the first floor 111, a front wall body and a rear wall body of the second floor 112 are separated by a plastic curtain to form a weighing room 1121 and a mixing room 1122, a window 1123 is arranged at the upper part of the front wall body of the second floor 112, the window 1123 is an aluminum alloy sliding rail window, and the window 1123 is opened to enable the weighing room 1121 and the mixing room 1122 to be communicated with the first floor 111, so that air in the first floor 111 can conveniently flow into the weighing room 1121 and the mixing room 1122, and air can be circulated;

Referring to fig. 4, the third building 113 includes a stock room 1131 and a batch room 1132, the stock room 1131 and the batch room 1132 are separated by a plastic curtain, the stock room 1131 is located at the front end of the third building 113, and the batch room 1132 is located at the rear end of the third building 113;

Referring to fig. 3, the fresh air pipeline 13 includes a main pipeline 131 and a branch pipeline 132, an air distribution pipe 133 is arranged between the main pipeline 131 and the branch pipeline 132, the air distribution pipe 133 includes an air inlet 1331, a first air distribution port 1332 and a second air distribution port 1333, the air inlet 1331 is connected with an output end of the external air purifying device 12 through welding, the first air distribution port 1332 is connected with an air inlet end of the main pipeline 131 through welding, the second air distribution port 1333 is connected with an air inlet end of the branch pipeline 132 through welding, and fresh air purified by the external air purifying device 12 is transmitted to the main pipeline 131 and the branch pipeline 132 through the air distribution pipe 133;

referring to fig. 2 and 3, a main pipe 131 is fixedly connected with the bottom of the third building 113 through bolts and is positioned at the upper part of the front end of the first building 111, and a branch pipe 132 is fixedly arranged at the upper part of the rear inner wall of the third building 113 through bolts, so that purified fresh air is conveyed to a batching room 1132 of the first building 111 and the third building 113;

Referring to fig. 2, the exhaust fan 16 is embedded in the rear walls of the first floor 111, the second floor 112 and the third floor 113, so as to realize that air in the first floor 111, the second floor 112 and the third floor 113 is discharged outside the workshop 1 through the rear wall of the workshop 1, thereby helping to improve the air flowability inside the workshop 1.

Referring to fig. 2, the exhaust gas pipeline 15 is suspended at the middle position of the bottom of the third building 113 by an iron rod and is located at the lower part of the front wall of the second building 112, the exhaust pipe 152 comprises a front exhaust pipe 1521 and a rear exhaust pipe 1522, the front exhaust pipe 1521 extends to the front end of the first building 111, the rear exhaust pipe 1522 extends to the rear end of the first building 111, so that exhaust gas and dust generated at the front end and the rear end of the first building 111 can be sucked into the exhaust pipe 152 through the front exhaust pipe 1521 and the rear exhaust pipe 1522, and exhaust gas generated in the workshop 1 is sucked through the exhaust pipe 152, thereby being beneficial to reducing harmful gas in the workshop.

Preferably, referring to fig. 2 and 3, the external air extracting device 151 includes an air box 1511 and an air extracting fan 1512, the air box 1511 is fixed on the outer wall of the workshop 1, the air inlet end of the air box 1511 is connected with the air outlet end of the exhaust pipeline 15, the air extracting fan 1512 is arranged at the air outlet end of the air box 1511, the air outlet end of the air extracting fan 1512 faces the outer side of the air box 1511, the air extracting pipe 152 of the exhaust pipeline 15 has suction force, waste gas generated in the workshop 1 is sucked away through the air extracting pipe 152 by the external air extracting device 151, and the waste gas is discharged out of the workshop 1, so that harmful gas in the workshop 1 is reduced.

Referring to fig. 5 and 6, the external air cleaning device 12 includes a cabinet 121 and a door panel 122, the door panel 122 being fixed to an open end of the cabinet 121 by bolts, facilitating assembly; a first filter chamber 123, a second filter chamber 124 and a third filter chamber 125 are provided in the housing 121,

Referring to fig. 6, an air inlet pipe 1233 is provided at one side of the first filter chamber 123, external air enters the first filter chamber 123 from the air inlet pipe 1233, a filter plate 1231 is provided in the first filter chamber 123, the filter plate 1231 is provided with a plurality of first filter holes 1232, and large-sized particle impurities in the air are filtered through the first filter holes 1232;

Referring to fig. 6, a filter box 1241 is disposed in the second filter chamber 124, the filter box 1241 is provided with a plurality of second filter holes 1242, the other side of the first filter chamber 123 is provided with an elbow 1234 connected with the air inlet end of the filter box 1241, the air inlet end of the second filter chamber 124 corresponding to the filter box 1241 is provided with a connecting hole 1243, the air outlet end of the elbow 1234 is inserted into the connecting hole 1243 and connected with the air inlet end of the filter box 1241, so that the air initially filtered by the first filter chamber 123 is introduced into the second filter chamber 124, and then the air is filtered by the second filter holes 1242 to remove medium-sized particle impurities in the air;

Referring to fig. 6, an oblique filter plate 1251 is disposed in the third filter cavity 125, a plurality of third filter holes 1252 are disposed on the surface of the oblique filter plate 1251, an upper through hole 1244 communicated with the third filter cavity 125 is disposed on the upper portion of the second filter cavity 124, an air outlet 1253 connected with the air inlet end of the fresh air pipeline 13 is disposed on one side, close to the workshop 1, of the third filter cavity 125, the air inlet end of the fresh air pipeline 13 is inserted into the air outlet 1253, air filtered by the second filter cavity 124 is led into the third filter cavity 125, micro-particle impurities in the air are filtered by the third filter holes 1252 and then led into the fresh air pipeline 13 from the air outlet 1253, air impurities led into the fresh air pipeline 13 are reduced, and air quality input into the workshop 1 is effectively improved.

Referring to fig. 6, the apertures of the first filter holes 1232, the second filter holes 1242 and the third filter holes 1252 are gradually reduced, so that the step-by-step filtration of the impurities in the air is realized, the air impurities introduced into the fresh air pipeline 13 are reduced, and the air quality input into the workshop 1 is effectively improved.

Preferably, the filter 1231 is a primary filter screen, the filter box 1241 is a middle-efficiency filter screen, the inclined filter board 1251 is a high-efficiency filter screen, and the impurity in the air is filtered step by step, so that the impurity in the air introduced into the fresh air pipeline 13 is reduced, and the air quality input into the workshop 1 is improved effectively.

Referring to fig. 6, upper clamping grooves 1235 and lower clamping grooves 1236 are symmetrically arranged at the upper end and the lower end of the interior of the first filter cavity 123 respectively, the filter plates 1231 are clamped between the upper clamping grooves 1235 and the lower clamping grooves 1236, the filter plates 1231 are fixed in the first filter cavity 123, cleaning or replacement of the filter plates 1231 is facilitated, and later maintenance is facilitated.

Referring to fig. 6, the inner wall of the second filter cavity 124 is provided with a clamping edge 1245 axially arranged along the connecting hole 1243, two ends of the filter box 1241 are clamped between the two clamping edges 1245, and the cross section of the clamping edge 1245 is 匚 -shaped, so that two ends of the filter box 1241 are clamped between the two clamping edges 1245 from the opening of the clamping edge 1245, the filter box 1241 is fixed in the second filter cavity 124, and the filter box 1241 is convenient to clean or replace and convenient to maintain in the later period.

Referring to fig. 6, an inclined socket 1254 is arranged at the top of the third filter cavity 125, an inclined clamping groove 1255 is arranged in the third filter cavity 125, the inclined socket 1254 and the inclined clamping groove 1255 are arranged in a staggered mode, the inclined filter plate 1251 is clamped between the inclined socket 1254 and the inclined clamping groove 1255, the inclined filter plate 1251 is fixed in the third filter cavity 125, and the inclined filter plate 1251 is convenient to clean or replace and convenient to maintain in the later period.

Referring to fig. 18, the workshop 1 includes a lifting device 6 for transporting materials to a third floor, the lifting device 6 is disposed in the workshop 1, the lifting device 6 includes a lifting base 61 and a lifting platform 62, the lifting base 61 is lower than the first floor, a frame 63 is disposed on the lifting base 61, a carriage 64 is disposed on the upper portion of the frame 63, a lifting mechanism 65 is disposed on the lower portion of the frame 63, and the lifting mechanism 65 is slidably connected with the carriage 64, so that the lifting mechanism 65 slides up and down along the vertical direction of the carriage 64;

The lower part of the lifting platform 62 is provided with a sliding connecting piece 66, and the sliding connecting piece 66 is in sliding connection with the frame 63, so that the lifting platform 62 slides up and down along the vertical direction of the frame 63;

The both ends of elevating system 65 upper portion are equipped with the sprocket 67 that turns respectively, are equipped with chain 68 on the sprocket 67 that turns, and the one end of chain 68 is fixed in frame 63, and the other end of chain 68 is fixed in lift platform 62, makes elevating system 65 drive lift platform 62 and rises or descend, stops lift platform 62 at first floor 111, places the material that needs to transport at lift platform 62, and elevating system 65 drives lift platform 62 and rises to third floor 113, realizes transporting the material to third floor 113, and elevating gear simple structure conveniently overhauls the maintenance simultaneously.

Referring to fig. 19, the lifting mechanism 65 includes an electric hydraulic push rod 651 and a transverse push rod 652, the electric hydraulic push rod 651 is sensitive in action and stable in operation, can effectively buffer external impact force, the electric hydraulic push rod 651 adopts a mechanical, electric and hydraulic integrated totally-enclosed structure, and a working oil circuit circulates in a pressureless enclosed steel cylinder, so that the volume is small, oil leakage is avoided, and the installation and maintenance are convenient; in a severe working environment, the dust collection and water inflow are avoided, the interior is not rusted, and the service life is long;

The piston rod of the electric hydraulic push rod 651 is fixed with the transverse push rod 652 through welding, and the rotating chain wheels 67 are arranged at two ends of the transverse push rod 652; the end surface of the transverse push rod 652 away from the sprocket 67 is provided with a roller two 653, the inner side of the carriage 64 is provided with a first chute 641, and the roller two 653 rolls along the vertical direction of the first chute 641 near the inner wall of the frame 63, so that the lifting mechanism 65 slides up and down along the vertical direction of the carriage 64.

Referring to fig. 19, a beam 631 is arranged in the middle of the frame 63, and the beam 631 is fixed with the frame 63 by welding, so that the rigidity of the frame 63 is effectively improved; the lower part of the electric hydraulic push rod 651 is fixed on the lifting base 61 through bolts, the cylinder barrel of the electric hydraulic push rod 651 is fixed with the cross beam 631 through welding, the lower part of the carriage 64 is fixed with the cross beam 631 through welding, the carriage 64 is arranged on the upper part of the frame 63, and the lifting mechanism 65 is arranged on the lower part of the frame 63.

Referring to fig. 20, a fixing block 621 is provided at a lower edge of the lifting platform 62, one end of the chain 68 is fixed to the fixing block 621 by welding, the other end of the chain 68 is fixed to the cross member 631 by welding, one end of the chain 68 is fixed to the frame 63, and the other end of the chain 68 is fixed to the lifting platform 62.

Referring to fig. 20, the sliding connection member 66 includes a housing 661, an inner roller 662 and an outer roller 663, one end of the housing 661 is fixedly connected with the lifting platform 62, the inner roller 662 is rotatably disposed in the housing 661, the outer roller 663 is rotatably disposed at one end of the housing 661 far away from the inner roller 662, the frame 63 is provided with a second sliding groove 632, the inner roller 662 rolls along the vertical direction of the second sliding groove 632 near the outer wall of the lifting platform 62, the outer roller 663 rolls along the vertical direction of the second sliding groove 632 near the inner wall of the lifting platform 62, sliding connection between the sliding connection member 66 and the frame 63 is realized, and the sliding connection member is simple in structure and convenient for maintenance.

Referring to fig. 20, the two side edges of the lifting platform 62 are provided with guardrails 622, and the safety of transporting materials is effectively protected by effectively limiting the materials in the lifting platform 62 to exceed the two side edges through the guardrails 622.

Referring to fig. 21, a protection net 69 is arranged on the periphery of the frame 63, the lower portion of the protection net 69 is fixed with the lifting base 61 through bolts, and workers are prevented from entering the lifting platform 62 when the lifting device works through the protection net 69, so that personal safety of the workers is effectively protected.

Referring to fig. 21, the protection net 69 is provided with a protection door 691, the protection door 691 is connected with the protection net 69 through a hinge, when the lifting device stops working, the protection door 691 can conveniently enter the lifting platform 62, and meanwhile, the protection door 691 is closed to prevent the working personnel of the lifting device from entering the lifting platform 62 during working, so that the personal safety of the working personnel is effectively protected.

The implementation principle of the three-layer plastic master batch processing system of the embodiment 1 of the application is as follows: dividing the workshop 1 into a first floor 111, a second floor 112 and a third floor 113, wherein the first floor 111 is a forming area, the second floor 112 is a stirring area, and the third floor 113 is a batching area; the batching device 2 is arranged in a batching zone, the weighing device 3 and the stirring device 4 are arranged in a stirring zone, the plastic extruder 5 is arranged in a forming zone, the zones are longitudinally arranged, the occupied area of a workshop is small, and meanwhile, equipment in the zones is convenient to manage; the batching device 2 is connected with the weighing device 3, the weighing device 3 is connected with the main material filling hopper 51, raw materials in a batching area are filled into the batching device 2, and the raw materials are weighed and then are input into the main material filling hopper 51; the stirring device 4 is connected with the auxiliary material filling hopper 52, so that auxiliary materials can be filled into the stirring device 4 in a material mixing area, the auxiliary materials are input into the auxiliary material filling hopper 52 after being mixed, the operation of raw materials and the auxiliary materials from the third building is realized, dust is prevented from flying to other areas of the workshop 1 when the materials are filled, dust pollution is prevented, the operation and maintenance of workers are facilitated, the overhead operation is not needed, and the personal safety of the workers is effectively improved; the materials are conveyed from top to bottom by gravity, and the conveying efficiency is high.

The application example 2 also discloses another three-layer plastic masterbatch processing system which differs from the embodiment of example 1 in that:

Referring to fig. 11, the feed tank 36 is cylindrical, so that powdery raw materials in the feed tank 36 directly flow into the tank connecting pipe 344 along the cylindrical wall, and the raw materials in the tank are not easy to be stagnated and discharged;

The feeding barrel 36 comprises a cylinder barrel 364 and a small cover plate 365, the small cover plate 365 is positioned at the top of the cylinder barrel 364, the small cover plate 365 is connected with the cylinder barrel 364 through a clamp, the small cover plate 365 is connected with the cylinder barrel 364, and meanwhile, the assembly and the disassembly are convenient, and the maintenance is convenient;

The soft connecting piece 361 is arranged on the small cover plate 365, so that the soft connecting piece 361 is arranged on the top of the feeding barrel 36;

the lower part of the cylinder barrel 364 is connected with the barrel connecting pipe 344 through a clamp, the feeding barrel 36 is connected with the charging barrel connecting pipe 344, and meanwhile, the assembly and the disassembly are convenient, and the maintenance is convenient.

Referring to fig. 12, a spiral stirring motor 366 is disposed on one side of the bucket connecting pipe 344 near the servo motor 343, a spiral stirring rod 367 is disposed in the bucket connecting pipe 344, an output shaft of the spiral stirring motor 366 is connected with one end of the spiral stirring rod 367 through a rigid coupling, the spiral stirring motor 366 is electrically connected with the controller 33, the controller 33 controls the spiral stirring motor 366 to drive the spiral stirring rod 367 to rotate, and when the spiral stirring rod 367 rotates in the bucket connecting pipe 344, powdery raw materials in the bucket connecting pipe 344 are conveyed into the feed cylinder 341 of the spiral discharging mechanism 34, so that the materials in the spiral discharging mechanism 34 are not easy to be stagnated, and the raw materials in the spiral discharging mechanism 34 are convenient to discharge.

Referring to fig. 12, a second dust removing pipe 369 is disposed on a side of the small cover plate 365 away from the flexible connecting member 361, the second dust removing pipe 369 is communicated with the inside of the cylindrical barrel 364, and the dust in the feeding barrel 36 is sucked away by connecting the second dust removing pipe 369 with an external vacuum pipe.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. A three-layer plastic masterbatch processing system, characterized in that it comprises a workshop (1), a batching device (2) for temporarily storing raw materials, a weighing device (3) for weighing raw materials, a stirring device (4) for pre-stirring auxiliary materials, and a plastic extruder (5), wherein the workshop (1) comprises a first floor (111), a second floor (112), and a third floor (113);

The batching device (2) is arranged on the third floor (113), the weighing device (3) and the stirring device (4) are arranged on the second floor (112), the plastic extruder (5) is arranged on the first floor (111), and the plastic extruder (5) comprises a main material filling hopper (51) and an auxiliary material filling hopper (52);

The lower part of the batching device (2) is connected to the upper part of the weighing device (3), the lower part of the weighing device (3) is connected to the main material filling hopper (51), the feeding end of the stirring device (4) is arranged on the third floor (113), and the lower part of the stirring device (4) is connected to the auxiliary material filling hopper (52);

The batching device (2) comprises a batching bin (21), the batching bin (21) comprises a material injection bin (22), a temporary storage bin (23) and a discharge pipe (24) which are connected in sequence, the material injection bin (22) is provided with a material shifting device (26), the temporary storage bin (23) is provided with a material level meter (27), the material level meter (27) comprises a warning light (271), and the warning light (271) is electrically connected to the material level meter (27); the discharge pipe (24) passes through the floor slab of the third floor and is connected to the upper part of the weighing device (3), and a discharge switch (28) is provided at the lower part of the discharge pipe (24);

The weighing device (3) comprises a machine platform (31), one end of the machine platform (31) is provided with an electronic scale (32), and the other end of the machine platform (31) is provided with a controller (33);

The electronic scale (32) comprises a spiral discharging mechanism (34), a discharging pipe (35) is provided at the lower part of the spiral discharging mechanism (34), and the discharging pipe (35) is connected to the main material filling hopper (51);

A feed barrel (36) is provided at the upper end of the spiral discharging mechanism (34), the lower part of the feed barrel (36) is connected to the upper part of the spiral discharging mechanism (34), a flexible connector (361) is provided at the top of the feed barrel (36), the upper end of the flexible connector (361) is connected to the lower part of the discharge pipe (24), the discharge switch (28) is provided between the discharge pipe (24) and the flexible connector (361), and the controller (33) is electrically connected to the electronic scale (32), the spiral discharging mechanism (34) and the discharge switch (28) respectively; a barrel (341) is fixed to the electronic scale (32), and a barrel connecting pipe (344) for connecting to the feed barrel (36) is provided in the middle of the barrel (341);

A spiral stirring motor (366) is provided on one side of the barrel connecting pipe (344) close to the servo motor (343), a spiral stirring rod (367) is provided inside the barrel connecting pipe (344), the spiral stirring motor (366) drives the spiral stirring rod (367) to rotate, and the spiral stirring motor (366) is electrically connected to the controller (33);

The stirring device (4) comprises a frame (41), a walking mechanism (42) is provided at the lower part of the frame (41), and a mixing trough (43) is provided at the upper part of the frame (41); the mixing trough (43) comprises a feeding pipe (431) and a second discharging pipe (432), the feeding pipe (431) is provided at the upper part of the mixing trough (43), a feeding pipe (46) for feeding auxiliary materials into the mixing trough (43) is provided at the upper end of the feeding pipe (431), the feeding pipe (46) is provided at the third floor (113), and the second discharging pipe (432) is provided at the lower part of the mixing trough (43); a stirring mechanism (44) is provided in rotation in the mixing trough (43), and a driving device (45) for driving the stirring mechanism (44) to rotate is provided on one side of the mixing trough (43);

The workshop (1) includes a lifting device (6) for transporting materials to the third floor;

The spiral discharging mechanism (34) comprises a barrel (341), a screw (342) and a servo motor (343); one end of the barrel (341) is connected to the discharging pipe (35); the servo motor (343) is connected to the end of the barrel (341) away from the discharging pipe (35); the screw (342) rotates in the barrel (341); one end of the screw (342) close to the servo motor (343) is connected to the output shaft of the servo motor (343); and the servo motor (343) is electrically connected to the controller (33);

The walking mechanism (42) comprises a wheel frame (421) and a roller 1 (422), wherein the upper portion of the wheel frame (421) is connected to the frame (41); a rotating shaft (423) is provided at the lower portion of the wheel frame (421), and the roller 1 (422) is rotatably connected to the rotating shaft (423); the walking mechanism (42) comprises a guide groove (424) fixed to the ground of the second floor (112), and the roller 1 (422) rolls along the guide groove (424);

A material trough cover plate (433) is provided on the top of the mixing trough (43); the feed pipe (431) is provided on the material trough cover plate (433); a quick-release clamp (434) is provided on the upper part of the feed pipe (431); and the material delivery pipeline (46) is connected to the feed pipe (431) via the quick-release clamp (434);

The quick-release clamp (434) comprises a clamp ring (4341), a locking screw (4342) and a nut (4343); the clamp ring (4341) is provided with a first clamping groove (4344) and a second clamping groove (4345) at two ends thereof; the fixed end of the locking screw (4342) is hinged to the first clamping groove (4344); the free end of the locking screw (4342) is clamped in the second clamping groove (4345); and the nut (4343) is threadedly connected to the free end of the locking screw (4342);

The rear end of the material trough cover plate (433) is hinged to the frame (41); the front end of the frame (41) is provided with a lock (435); the lock (435) comprises a lock movable end (4351) and a lock fixed end (4352); the lock fixed end (4352) is fixed to the front end of the material trough cover plate (433); and the lock movable end (4351) is connected to the front end of the frame (41);

A plug plate mechanism (436) is provided at one end of the second discharge pipe (432) close to the mixing tank (43), and the plug plate mechanism (436) comprises a plug plate (4361) and a cylinder (4362). A guide sliding socket (4321) is provided on the side wall of the second discharge pipe (432). The free end of the plug plate (4361) slides on the guide sliding socket (4321), and the fixed end of the plug plate (4361) is connected to the piston rod of the cylinder (4362).

The stirring mechanism (44) comprises a stirring shaft (441) and a spiral stirring blade (442), wherein the spiral stirring blade (442) is fixed to the stirring shaft (441), and bearing seats (437) are respectively provided at both ends of the mixing tank (43), and both ends of the stirring shaft (441) are rotatably connected to the bearing seats (437);

The driving device (45) comprises a motor (451), the output end of the motor (451) is provided with a driving gear (452), and the end of the stirring shaft (441) close to the driving device (45) is provided with a driven gear (443), and the driving gear (452) drives the driven gear (443) to rotate;

The workshop (1) comprises a fresh air device and an exhaust device, the fresh air device comprises a fresh air pipeline (13), the fresh air pipeline (13) is arranged in the workshop (1), the air inlet end of the fresh air pipeline (13) is connected to the output end of the external air purification device (12), and the fresh air pipeline (13) is provided with a plurality of louvered air outlets (14);

The exhaust device comprises an exhaust gas pipeline (15) and an exhaust fan (16), wherein the exhaust gas pipeline (15) is fixed in the middle of the workshop (1), a plurality of exhaust pipes (152) are provided at the air inlet end of the exhaust gas pipeline (15), the exhaust end of the exhaust gas pipeline (15) is connected to the exhaust end of an external exhaust device (151), and the exhaust fan (16) is arranged on the rear wall of the workshop (1);

The second floor (112) is located above the rear end of the first floor (111), and the front wall and the rear wall of the second floor (112) are separated by a plastic curtain to form a weighing room (1121) and a mixing room (1122), and a window (1123) is provided on the upper part of the front wall of the second floor (112);

The third floor (113) comprises a material storage room (1131) and a material preparation room (1132), wherein the material storage room (1131) and the material preparation room (1132) are separated by a plastic curtain, the material storage room (1131) is located at the front end of the third floor (113), and the material preparation room (1132) is located at the rear end of the third floor (113);

The fresh air pipeline (13) comprises a main pipeline (131) and a branch pipeline (132); an air distribution pipe (133) is provided between the main pipeline (131) and the branch pipeline (132); the air distribution pipe (133) comprises an air inlet (1331), a first air distribution port (1332) and a second air distribution port (1333); the air inlet (1331) is connected to an output end of an external air purification device (12); the first air distribution port (1332) is connected to an air inlet end of the main pipeline (131); and the second air distribution port (1333) is connected to an air inlet end of the branch pipeline (132);

The main pipeline (131) is fixedly connected to the bottom of the third floor (113) and is located at the upper part of the front end of the first floor (111), and the branch pipeline (132) is fixed to the upper part of the rear inner wall of the third floor (113);

The exhaust fans (16) are arranged on the rear walls of the first floor (111), the second floor (112) and the third floor (113);

The exhaust gas pipeline (15) is fixedly connected to the middle position of the bottom of the third floor (113) and is located at the lower part of the front wall of the second floor (112); the exhaust pipe (152) comprises a front exhaust pipe (1521) and a rear exhaust pipe (1522); the front exhaust pipe (1521) extends to the front end of the first floor (111), and the rear exhaust pipe (1522) extends to the rear end of the first floor (111);

The lifting device (6) is arranged in the workshop (1), and comprises a lifting base (61) and a lifting platform (62). The lifting base (61) is at a level lower than the ground of the first floor (111). A frame (63) is provided on the lifting base (61), a slide (64) is provided on the upper part of the frame (63), and a lifting mechanism (65) is provided on the lower part of the frame (63). The lifting mechanism (65) is slidably connected to the slide (64);

A sliding connection member (66) is provided at the lower part of the lifting platform (62), and the sliding connection member (66) is slidably connected to the frame (63); sprocket wheels (67) are provided at both ends of the upper part of the lifting mechanism (65); a chain (68) is provided on the sprocket wheel (67); one end of the chain (68) is fixed to the frame (63), and the other end of the chain (68) is fixed to the lifting platform (62);

The lifting mechanism (65) comprises an electric hydraulic push rod (651) and a transverse push rod (652), the piston rod of the electric hydraulic push rod (651) is fixedly connected to the transverse push rod (652), and the sprocket wheel (67) is arranged at both ends of the transverse push rod (652); the end surface of the transverse push rod (652) away from the sprocket wheel (67) is provided with a second roller (653), and the inner side of the slide frame (64) is provided with a first slide groove (641), and the second roller (653) rolls along the first slide groove (641) in a vertical direction close to the inner wall of the frame (63);

A crossbeam (631) is provided in the middle of the frame (63), the electric hydraulic push rod (651) is fixed to the lifting base (61), the cylinder of the electric hydraulic push rod (651) is fixedly connected to the crossbeam (631), and the lower part of the slide (64) is fixedly connected to the crossbeam (631);

A fixing block (621) is provided at the lower edge of the lifting platform (62), one end of the chain (68) is fixedly connected to the fixing block (621), and the other end of the chain (68) is fixedly connected to the crossbeam (631);

The sliding connection member (66) comprises an outer shell (661), an inner roller (662) and an outer roller (663); one end of the outer shell (661) is fixedly connected to the lifting platform (62); the inner roller (662) is rotatably arranged in the outer shell (661); the outer roller (663) is rotated at one end of the outer shell (661) away from the inner roller (662); the frame (63) is provided with a second slide groove (632); the inner roller (662) rolls along the second slide groove (632) in a vertical direction close to the outer wall of the lifting platform (62); and the outer roller (663) rolls along the second slide groove (632) in a vertical direction close to the inner wall of the lifting platform (62);

Guardrails (622) are provided on both side edges of the lifting platform (62); a protective net (69) is provided on the periphery of the frame (63); the lower part of the protective net (69) is fixedly connected to the lifting base (61); and the protective net (69) is provided with a protective door (691).

2. The three-layer plastic masterbatch processing system according to claim 1 is characterized in that a bin cover (25) is provided on the top of the injection bin (22), and the bin cover (25) is provided with an injection port (251).

3. The three-layer plastic masterbatch processing system according to claim 2, characterized in that: the injection port (251) comprises a silo cover plate (252), the silo cover plate (252) covers the injection port (251), one end of the silo cover plate (252) is hinged to the silo cover (25), and a handle (253) is provided on the top of the other end of the silo cover plate (252);

The material-discharging device (26) comprises a material-discharging shaft (261), a speed reducer (262) and a driving motor (263); a material-discharging blade (2611) is provided at the lower part of the material-discharging shaft (261); the material-discharging blade (2611) is symmetrically arranged along the radial direction of the material-discharging shaft (261); the material-discharging blade (2611) is located in the material-filling bin (22); the upper part of the material-discharging shaft (261) is connected to the gear of the speed reducer (262); and the output shaft of the driving motor (263) is connected to the worm of the speed reducer (262);

The reducer (262) and the drive motor (263) are located at the top of the bin cover (25); the output shaft of the drive motor (263) is connected to the worm of the reducer (262) via a rigid coupling; an axial hole (256) is provided in the middle of the bin cover (25); the upper part of the material-dispensing shaft (261) passes through the axial hole (256) and is connected to the gear of the reducer (262) by interference fit;

The outer wall of the temporary storage warehouse (23) is provided with a support column (221) fixed to the floor slab of the third floor (113).

4. The three-layer plastic masterbatch processing system according to claim 1 is characterized in that: the feed barrel (36) is in an inverted cone shape, and the feed barrel (36) includes an inverted cone barrel body (362) and a large cover plate (363), the large cover plate (363) is located at the top of the inverted cone barrel body (362), the large cover plate (363) and the inverted cone barrel body (362) are connected by a clamp, the flexible connector (361) is provided on the large cover plate (363), and the lower part of the inverted cone barrel body (362) is connected to the barrel connecting pipe (344) by a clamp; a first dust removal pipe (368) is provided on the side of the large cover plate (363) away from the flexible connector (361).

5. The three-layer plastic masterbatch processing system according to claim 1 is characterized in that: the feed barrel (36) is cylindrical, and the feed barrel (36) includes a cylindrical barrel body (364) and a small cover plate (365), the small cover plate (365) is located at the top of the cylindrical barrel body (364), the small cover plate (365) and the cylindrical barrel body (364) are connected by a clamp, the flexible connector (361) is arranged on the small cover plate (365), and the lower part of the cylindrical barrel body (364) is connected to the barrel connecting pipe (344) by a clamp; a second dust removal pipe (369) is arranged on the side of the small cover plate (365) away from the flexible connector (361).