CN113334614A

CN113334614A - Grain device is cut to aircraft nose for screw extruder

Info

Publication number: CN113334614A
Application number: CN202110539936.1A
Authority: CN
Inventors: 孟敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-09-03

Abstract

The invention discloses a machine head grain cutting device for a screw extruder, which comprises a machine body, a cooling mechanism, a driving mechanism and a grain cutting mechanism, wherein the upper part of one side of the machine body is connected with the cooling mechanism through a bolt, the driving mechanism is arranged between the machine body and the cooling mechanism, the grain cutting mechanism is arranged in the machine body, the output end of the grain cutting mechanism is attached to one end of the cooling mechanism inserted into the machine body for use, the invention solves the problem that the surface of a formed material is stained with a large amount of dust no matter the material is air-cooled or water-cooled in the prior art, and the cleanness of a grain-cut product cannot be ensured, improves and optimizes the structure of the grain cutting device, so that the grain cutting device can conveniently guide the material, can cool the environment around the material while guiding the material, assists the material to be rapidly cooled, and further facilitates the cooling and solidification of the extruded and formed material, and then conveniently cut the grain to the material.

Description

Grain device is cut to aircraft nose for screw extruder

Technical Field

The invention relates to the technical field of granulating equipment, in particular to a machine head granulating device for a screw extruder.

Background

The screw extruder is a molding device which heats and melts polymer solid materials into a melt, pushes viscous fluid materials by virtue of the extrusion action of a screw, and enables the viscous fluid materials to pass through a neck mold to form a continuous body with a cross section shape similar to that of the neck mold.

The position of current screw extruder generally at the aircraft nose all is equipped with eager grain mechanism, be convenient for carry out eager grain processing with extrusion moulding's material, because the temperature is high when the material is extruded, extrusion moulding's material is softer, thereby it is inconvenient to lead to the material to cut a grain, consequently often need place long basin between the aircraft nose of cutting grain device and screw extruder, be used for cooling extrusion moulding's material, also have and put the conveyer belt between mechanism and eager grain device, and erect the fan on the conveyer belt, cool off extrusion moulding's material through air-cooled mode, thereby the convenient eager grain that carries out the preferred to extrusion moulding's material, the current mode of cutting a grain to the material after cooling adopts the hobbing cutter to carry out the mode of cutting a grain to the material more.

The existing material granulating method for extrusion molding has the following problems: (1) in the prior art, when air cooling is adopted for materials, a fan can stir air to blow airflow to the materials, so that a large amount of dust is adhered to the surface of the formed materials; (2) the existing water cooling method for materials needs frequent water change, if the water is not changed, the water becomes dirty after long-term use, the materials passing through the dirty water cannot ensure the cleanness of the granulated products, and if the water in the water tank is frequently changed, the water is very troublesome, so that the working efficiency is influenced; (3) although current hobbing cutter can be quick cut the grain processing to the material, the inconvenient dismantlement maintenance of hobbing cutter and change lead to the inconvenient later maintenance and the maintenance of hobbing cutter of the device of whole grain cutting.

Disclosure of Invention

The invention aims to provide a machine head granulating device for a screw extruder, which aims to improve one or more of the problems mentioned in the background art.

The invention is realized by the following steps:

the utility model provides a grain device is cut to aircraft nose for screw extruder, includes organism and access cover, and the position that the organism back is close to the bottom is equipped with the access cover, and the access cover links together through bolt and organism, still includes

The cooling mechanism comprises a cooling box, a semiconductor refrigerating sheet, a bearing shaft, a sealing cover, a heat dissipation fan and a guide shaft; one end of the cooling box, facing the machine body, is spliced with the machine body, the position, close to the bottom surface, inside the cooling box is connected with a semiconductor refrigerating sheet through a bolt, a plurality of bearing shafts are uniformly arranged in the cooling box along the position above the semiconductor refrigerating sheet, a guide shaft is arranged in the cooling box and close to the machine body, the rear end of the guide shaft extends out of the rear end surface of the cooling box, a sealing cover is arranged at an opening at the top end of the cooling box, a semiconductor refrigerating sheet is arranged in the sealing cover and close to the top end, a guide shaft is also arranged on the inner side of the sealing cover and is aligned with the guide shaft of the cooling box, the guide shaft in the sealing cover and the guide shaft in the cooling box are mutually meshed, and a heat dissipation fan is arranged in the middle of the upper surface of the sealing cover and in the middle of the bottom surface of the cooling box;

the granulator body comprises a granulator body, a granulator body and a granulator body, wherein the granulator body is provided with a cutter head, a first motor and a second motor;

the driving mechanism comprises a second motor and a belt, the second motor is arranged between the cooling mechanism and the machine body, the second motor is aligned to the guide shaft, and the output end of the second motor is connected with the guide shaft through the belt.

The preferred, the positive one side of organism is close to the position on top and is equipped with the control box, and the inside stock guide that is equipped with of organism, the stock guide wholly is the arc structure, and the organism side aligns the position of stock guide bottom and is equipped with the discharge gate, the organism back aligns the position of access cover and is equipped with the access hole, the position that both ends face aligns the grain cutting head around the organism is equipped with the guide way, and the organism aligns the cooler bin towards one side of cooler bin and is equipped with the opening, the organism aligns the position of cooler bin bottom surface and is equipped with a brace table, brace table upper surface both sides all are equipped with a pair of support column, every all be equipped with the bearing board between the support column top, the even a plurality of bolt holes that are equipped with of bearing board upper surface.

Through the technical scheme, the control box is convenient for controlling the whole granulating device and using the whole granulating device, the guide plate is convenient for guiding the granulated material particles so as to facilitate the material particles to flow out of the machine body, the guide plate is of an arc-shaped structure so as to facilitate the material particles to smoothly slide out of the machine body, the discharge port is convenient for the granular material to flow out of the machine body from the discharge port, and further convenient for collecting and processing the granular material, the access hole is convenient for overhauling the first motor and the granulating head, the guide hole is convenient for matching with the granulating head, the granulating head can be convenient for stably moving up and down, the use of the granulating head is convenient, the machine body is aligned with the opening of the cooling box so as to facilitate the end part of the cooling box to be inserted into the machine body, the support table is convenient for matching with the support column to support the cooling box with the granulating head stably, and the bearing plate is convenient for matching with the bolt hole, thereby conveniently pass through the bolt with fixed between cooler bin and the organism, the operation and the use that the cooler bin can be stable of being convenient for.

The preferred, the cooler bin is equipped with the plug towards organism open-ended one end, and both ends face all is equipped with a plurality of first bearings around the cooler bin, both sides all are equipped with a plurality of hasps around the cooler bin, the hasp does not take place to interfere with first bearing, the hasp top is rotated and is connected with the buckle, the cooler bin bottom surface is equipped with the installing port, the inboard top in the installing port is equipped with the spacing collar, the inside position of aliging the plug of cooler bin is equipped with one row of passage, the passage is equipped with the feed inlet towards the inside one end of cooler bin, the feed inlet is the loudspeaker form, the passage passes the plug and communicates with each other with the organism is inside, the cooler bin is equipped with material mouth towards the outside one end top.

Through the technical scheme, the plug is convenient for the end part of the cooling box to be inserted into the machine body, and further is convenient for the cooling box to be matched with the machine body for use, and is convenient for the installation and fixation of the cooling box, the first bearing is convenient for the matching of the guide shaft and the bearing shaft, and is convenient for the rotation of the guide shaft and the bearing shaft, the lock catch and the buckle ring are convenient for the matching of the seal cover, and is convenient for the matching of the cooling box and the seal cover for use, and is also convenient for the installation and the disassembly of the seal cover, the installation opening and the limiting ring are convenient for being matched with each other, so that the stable installation of the heat dissipation fan at the installation opening is convenient, and the stable operation of the heat dissipation fan is convenient, thereby being convenient for the use of the heat dissipation fan, the guide pipe is convenient for the cooled material to enter the machine body through the guide pipe, thereby being convenient for the grain cutting head to carry out the grain processing on the material guided out of the guide pipe, the feed inlet is convenient for the cooled material to enter the guide pipe through the feed inlet, the horn-shaped purpose of facilitating the material to rapidly enter the guide pipe, the material passing port is convenient for materials pulled out from the inner part of the screw extruder to smoothly enter the cooling box, and the cooling box is convenient for cooling the materials.

Preferably, the front end and the rear end of the upper surface of the semiconductor refrigerating sheet are respectively provided with a connecting plate, the connecting plates are uniformly provided with a plurality of connecting holes, both sides of one end of the semiconductor supporting sheet are respectively provided with a conducting wire, and the ends of the two conducting wires, which are not connected with the semiconductor refrigerating sheet, are provided with electric connecting heads.

Through the technical scheme, connecting plate and connecting hole are convenient for mutually support, thereby the square root bolt passes the connecting hole and fixes the semiconductor refrigeration piece, the semiconductor refrigeration piece of being convenient for can be stable install inside the cooler bin, the semiconductor refrigeration piece of being convenient for carries out rapid cooling to the cooler bin inside, the use of the cooler bin of being convenient for, the wire is convenient for to switch on the semiconductor refrigeration piece, thereby make things convenient for the semiconductor refrigeration piece can be quick to cooling to the cooler bin inside, connect the electricity of semiconductor refrigeration piece of being convenient for of electrical connector and connect the electricity and cut off the power supply, the nimble use of the semiconductor refrigeration piece of being convenient for.

Preferably, a plurality of supporting grooves are uniformly arranged on the circular arc surface of the supporting shaft, first connecting shafts are arranged at two ends of the supporting shaft, and the first connecting shafts are connected with the first bearing in an interference mode.

Through above-mentioned technical scheme, the bearing groove is convenient for carry on spacingly to the material of bearing, and the material of the bearing of being convenient for can be by the stable bearing of bearing axle, and the first connecting axle is convenient for bearing axle and first bearing swivelling joint be in the same place, and the bearing axle of being convenient for cooperates first bearing to use.

Preferably, the first bearings are arranged at the positions, aligned with the guide shafts, of the front end face and the rear end face of the sealing cover, the handles are arranged in the middle of the front end face and the rear end face of the sealing cover, the clamping heads are arranged at the positions, aligned with the retaining rings, of the bottoms of the front end face and the rear end face of the sealing cover, the mounting port is formed in the middle of the upper surface of the sealing cover, the limiting ring is arranged at the inner side bottom end of the mounting port, and the material passing port is formed in the bottom of the end, facing the outside, of the sealing cover.

Through the technical scheme, the first bearing is convenient for cooperate the guiding axle, the roll of the guiding axle of being convenient for, the handle is convenient for open and shut the closing cap, the use of the closing cap of being convenient for, hasp and buckle are convenient for cooperate hasp and buckle, hasp and buckle cooperation dop of being convenient for link together closing cap and cooler bin, the installation and the dismantlement of the closing cap of being convenient for, installing mouth and spacing collar are convenient for mutually support, and then the installation that can stabilize of convenient heat dissipation fan is inboard at the installing mouth, the heat discharge with semiconductor refrigeration piece effluvium that the fan of being convenient for dispel the heat can stabilize fast, the punishment in advance mouth of the closing cap is convenient for cooperate the material mouth of cooler bin, thereby the material that makes things convenient for the extruder to extrude can get into the inside cooling treatment that carries out of cooler bin smoothly.

Preferably, a plurality of guide wheels are arranged on the guide shaft arc surface, a material clamping groove is formed in the middle of the guide wheel arc surface, a plurality of gear teeth are uniformly arranged on the guide wheel arc surface along two sides of the material clamping groove, and a belt wheel is arranged at one end, extending out of the cooling box, of the guide shaft.

Through the technical scheme, the leading wheel is convenient for lead to refrigerated material, the second leading wheel drives refrigerated material to carry to the passage inside after the second motor drives the leading wheel rotation, and then conveniently carry the material, and then conveniently cut grain processing to the material of carrying, and the band pulley is convenient for cooperate second motor and belt to it is rotatory that convenient second motor and belt can drive the guiding axle through belt drive's mode, and then make things convenient for the guiding axle to take animal material to carry.

Preferably, the dicing cutter comprises a cutter head, a rocker, an adapter and a guide roller, a first blade is arranged at the top of the cutter head, the first blade is attached to one end face of the cooling box inserted into the machine body, a second bearing is arranged at the bottom of the cutter head, a second connecting shaft is arranged at the position, aligned with the second bearing, of the top end of the rocker, the second connecting shaft is in interference connection with the second bearing, a third bearing is arranged at the bottom end of the rocker, a third connecting shaft is arranged at the position, aligned with the third bearing, of the adapter, the third connecting shaft is in interference connection with the third bearing, a connecting port is arranged at the position, close to the bottom end, of the adapter headrest, a positioning bolt is arranged at the position, aligned with the connecting port, a plurality of slots are uniformly arranged on two sides of the cutter head from top to bottom, a compression bolt is arranged at the position, aligned with the slots, the compression bolt is embedded into the cutter head, the guide roller is connected inside the slots, and a pin shaft is arranged in the middle of the guide roller, and an insertion block is arranged at one end of the pin shaft aligned with the slot.

Through the technical scheme, the cutter head is convenient to be matched with the cooling box, so that materials output by the cooling box can be conveniently cut into granules, the rocker is convenient to be matched with the adapter and the first motor, the guide roller is convenient to guide the cutter head, the friction force between the cutter head and the machine body can be conveniently reduced, the first cutter edge is convenient to cut the materials output by the cooling box, the materials can be conveniently cut into granules, the second bearing is convenient to be matched with the rocker, the rocker can conveniently rotate relative to the cutter head, so that the rocker can conveniently drive the cutter head to move up and down when the first motor drives the adapter to rotate, the cutter head can conveniently cut the materials into granules, the rocker and the adapter are conveniently connected together through the third rotating shaft, the rocker can conveniently drive the rocker to move up and down through the rotation of the adapter, the connector is convenient to be matched with the first motor, the output end of the first motor is conveniently connected with the adapter, and the positioning bolt is convenient to fix the output end of the first motor and the adapter, the connection that first motor output and adapter can be stable of being convenient for is in the same place, and the guide roll is convenient for install to the slot, the installation and the dismantlement of the guide roll of being convenient for, and the position of the fixed guide roll of being convenient for of clamp bolt, the use of the guide roll of being convenient for, the round pin axle is convenient for the rotation of guide roll, and the guide roll of being convenient for reduces the frictional force between tool bit and the organism, and the guide roll one end of being convenient for of inserted block inserts the slot, and the guide roll.

The preferred, the tool bit middle part is equipped with the cut hole, and the cut hole is the rectangle form, and cut hole top and bottom all are equipped with the second cutting edge, and two second cutting edge symmetries set up, and second cutting edge laminating cooler bin inserts the terminal surface of organism.

Through above-mentioned technical scheme, the cut hole is convenient for carry out quick cutting to the material of output in the cooler bin, thereby the convenience is cut the grain processing to the material, the second cutting edge is convenient for cooperate the cut hole, thereby convenient quick cut the grain processing to the material, owing to can make the cut hole reciprocate under the drive of first motor, the second cutting edge about the cut hole simultaneously can both carry out eager grain processing to the material of cooler bin output, so utilize the knife hole to cut the grain than utilizing the first sword to cut the granularity of grain less.

Preferably, the output end of the first motor is provided with a transmission shaft, the transmission shaft is provided with a connecting block at a position aligned with the connecting port, the bottom end of the arc surface of the first motor is provided with a connecting pin, and the connecting pin is symmetrically provided with a plurality of mounting holes.

Through the technical scheme, the transmission shaft is convenient for first motor and adapter to link together, thereby make things convenient for first motor to drive the adapter rotatory, and then the rotatory rocker that drives through the adapter reciprocates, thereby make the rocker drive the tool bit reciprocate, the connecting block is convenient for the transmission shaft tip to insert in the connector, thereby make things convenient for first motor output and adapter to link together, it is convenient for mutually support to connect foot and mounting hole, thereby conveniently fix first motor through the bolt, the stable use of the first motor of being convenient for.

Compared with the prior art, the invention has the beneficial effects that:

(1) the machine body is convenient for the control and the operation of the whole grain cutting device and the use of the whole grain cutting device, the cooling box is convenient for cooling the material entering the cooling box, so that the material is convenient to solidify and mold quickly, the semiconductor refrigeration sheets are convenient for manufacturing a low-temperature environment in the cooling box, so that the material can be cooled and solidified quickly when entering the cooling box, the bearing shaft is convenient for bearing the material entering the cooling box, the direct contact between the material and the semiconductor refrigeration sheets is avoided, the guide shaft is convenient for driving and conveying the hardened material, the material can be led out from the cooling box, so that the grain cutting treatment of the material is convenient, the sealing cover is convenient for sealing the top end of the cooling box, so that the material is convenient and stable to convey, and meanwhile, the matching of the semiconductor refrigeration sheets and the guide shaft in the sealing cover can be used for cooling and conveying the material quickly, be convenient for the later stage and cut the grain processing to the material, the heat dissipation fan is convenient for take the heat that semiconductor refrigeration piece produced out fast, thereby conveniently assist the quick heat dissipation of semiconductor refrigeration piece, it is convenient for cut the grain head and cut the grain processing to the material of deriving from the cooler bin inside to cut the grain head, first motor is convenient for drive cuts the grain head and reciprocates, be convenient for cut the grain head and carry out quick eager grain to the material and cut, the second motor is convenient for cooperate the belt, thereby it rotates to conveniently drive the leading wheel through the driven mode of area, thereby make things convenient for the leading wheel to drive the material and remove, be convenient for continuous transport material to lean out from the cooler bin inside.

(2) According to the invention, the structure of the granulating device is improved and optimized, so that the granulating device can conveniently guide materials, cool the environment around the materials while guiding and wiping the materials, assist in rapid cooling of the materials, further facilitate cooling and solidification of the extruded and formed materials, further facilitate granulation of the materials, and avoid the problem that a large amount of dust is attached to the surfaces of the materials due to blowing of air flow to the materials in the air cooling process, and avoid the trouble that the water cooling process needs to frequently change water in a water tank.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a pelletizing apparatus according to the invention from a first perspective;

FIG. 2 is a schematic view of a dicing apparatus of the present invention from a second perspective;

FIG. 3 is a schematic structural view of the housing of the present invention;

FIG. 4 is a schematic view of the construction of the cooling box of the present invention;

FIG. 5 is a schematic structural view of a semiconductor chilling plate according to the present invention;

FIG. 6 is a schematic view of the construction of the bearing shaft of the present invention;

FIG. 7 is a schematic view of the closure of the present invention;

FIG. 8 is a schematic view of the construction of the guide shaft of the present invention;

FIG. 9 is a schematic view of the structure of the cutting head of the present invention;

FIG. 10 is a schematic view of the construction of a first motor of the present invention;

in the figure: 1-body; 101-a console box; 102-a material guide plate; 103-a discharge hole; 104-service hole; 105-a pilot port; 106-a support table; 107-support column; 108-a support plate; 109-bolt holes; 2-a cooling box; 21-a plug; 22-a first bearing; 23-locking; 24-a retaining ring; 25-a mounting port; 26-a spacing ring; 27-a material guide pipe; 28-feed inlet; 29-a material passing port; 3-semiconductor refrigerating sheet; 31-a connecting plate; 32-connecting hole; 33-a wire; 34-connecting a contact; 4-bearing the shaft; 41-support groove; 42-a first connecting shaft; 5-sealing the cover; 51-a chuck; 52-a handle; 6-a heat dissipation fan; 7-a guide shaft; 71-a guide wheel; 72-a clamping groove; 73-gear teeth; 74-a pulley; 8-cutting the grain head; 81-a cutter head; 811-a first blade edge; 812-cutting a hole; 813-second blade edge; 814-a second bearing; 815-slot; 816-hold down bolts; 82-a rocker; 821-a second connecting shaft; 822-a third bearing; 83-an adapter; 831-third connecting shaft; 832-positioning bolt; 833-connection port; 84-guide rollers; 841-pin shaft; 842-plug; 9-a first motor; 91-a transmission shaft; 92-a connecting block; 93-connecting pin; 94-mounting holes; 10-a second motor; 11-a belt; 12-access cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 and 2: a machine head grain cutting device for a screw extruder comprises a machine body 1, wherein an access cover 12 is arranged at a position, close to the bottom end, on the back surface of the machine body 1, the access cover 12 is connected with the machine body 1 through a bolt, and the machine head grain cutting device further comprises a cooling mechanism, a grain cutting mechanism and a driving mechanism; the cooling mechanism comprises a cooling box 2, a semiconductor refrigerating sheet 2, a bearing shaft 3, a sealing cover 4, a heat dissipation fan 5 and a guide shaft 6, one end of the cooling box 2 facing the machine body 1 is spliced with the machine body 1, the position of the interior of the cooling box 2 close to the bottom surface is connected with a semiconductor refrigerating sheet 3 through a bolt, a plurality of bearing shafts 4 are uniformly arranged in the interior of the cooling box 2 along the position above the semiconductor refrigerating sheet 3, a guide shaft 7 is arranged in the interior of the cooling box 2 close to the machine body 1, the rear end of the guide shaft 7 extends out of the rear end surface of the cooling box 2, a sealing cover 5 is arranged at an opening at the top end of the cooling box 2, the position of the interior of the sealing cover 5 close to the top end is provided with the semiconductor refrigerating sheet 3, a guide shaft 7 is also arranged on the inner side of the sealing cover 5 and aligned with the guide shaft 7 of the cooling box 2, the guide shaft 7 in the sealing cover 5 is meshed with the guide shaft 7 in the cooling box 2, and the middle part of the upper surface of the sealing cover 5 and the middle part of the bottom surface of the cooling box 2 are provided with heat dissipation fans 6; the granulating mechanism comprises a granulating head 8 and a first motor 9, the granulating head 8 is aligned with the cooling box 2 and inserted into one end face of the machine body 1, the granulating head 8 is connected with the machine body 1 in a sliding manner, the bottom end of the granulating head 8 is connected with the first motor 9, and the first motor 9 is connected with the inner cavity of the machine body 1 through a bolt; the driving mechanism comprises a second motor 10 and a belt 11, the second motor 10 is arranged between the cooling mechanism and the machine body 1, the second motor 10 is aligned with the guide shaft 7, and the output end of the second motor 10 is connected with the guide shaft 7 through the belt 11; the machine body 1 is convenient for the control and operation of the whole grain cutting device, the use of the whole grain cutting device is convenient, the cooling box 2 is convenient for cooling the materials entering the cooling box 2, thereby facilitating the rapid solidification and forming of the materials, the semiconductor refrigeration sheets 3 are convenient for manufacturing a low-temperature environment inside the cooling box 2, thereby facilitating the rapid cooling and solidification of the materials entering the cooling box 2, the bearing shaft 4 is convenient for bearing the materials entering the cooling box 2, preventing the materials from directly contacting with the semiconductor refrigeration sheets 3, the guide shaft 7 is convenient for driving and conveying the hardened materials, the materials can be conveniently led out from the cooling box 2, further facilitating the grain cutting treatment of the materials, the sealing cover 5 is convenient for sealing the top end of the cooling box 2, thereby facilitating and stabilizing the conveying of the materials, meanwhile, the matching of the semiconductor refrigeration sheets 3 and the guide shaft 7 inside the sealing cover 5 can rapidly cool and convey the materials, the material is conveniently granulated at the later stage, the heat generated by the semiconductor refrigeration sheet 3 is conveniently and quickly extracted by the heat dissipation fan 6, so that the semiconductor refrigeration sheet 3 is conveniently and quickly cooled, the grain cutting head 8 is convenient for granulating the material led out from the inside of the cooling box 2, the first motor 9 is convenient for driving the grain cutting head 8 to move up and down, the grain cutting head 8 is convenient for quickly granulating the material, the second motor 10 is convenient for being matched with the belt 11, so that the guide wheel 71 is conveniently driven to rotate in a belt transmission mode, the guide wheel 71 is convenient for driving the material to move, and the continuous conveying of the material is facilitated to be extended out from the inside of the cooling box 2; this kind of structure makes and cuts grain device can conveniently lead to the material, and lead to the material and wipe the environment around the material simultaneously and can cool down, the quick cooling of auxiliary material, and then make things convenient for extrusion moulding's material can cool off the solidification, and then conveniently cut the grain to the material, and this kind of cooling method can blow the problem that the material surface is stained with a large amount of dusts to the material to the air current when having avoided the air-cooled, the loaded down with trivial details that the water-cooling mode need often trade the water to the basin has also been avoided simultaneously, the grain device of this kind of structure has improved the mode of cutting grain, the up-and-down motion that utilizes the cutting edge carries out eager grain processing to the material, this kind of cutter of cutting grain is convenient to be maintained and is changed, this kind of cutter of cutting grain has multiple using-way simultaneously.

Referring to FIG. 3: a control box 101 is arranged at a position close to the top end of one side of the front surface of the machine body 1, a material guide plate 102 is arranged inside the machine body 1, the material guide plate 102 is integrally of an arc structure, a material outlet 103 is arranged at a position, aligned with the bottom end of the material guide plate 102, of the side surface of the machine body 1, an access hole 104 is arranged at a position, aligned with the access cover 12, of the back surface of the machine body 1, a guide hole 105 is arranged at a position, aligned with the grain cutting head 8, of the front end surface and the back end surface of the machine body 1, an opening is arranged at one side, facing the cooling box 2, of the machine body 1, a support table 106 is arranged at a position, aligned with the bottom surface of the cooling box 2, two sides of the upper surface of the support table 106 are respectively provided with a pair of support columns 107, a bearing plate 108 is arranged between the top ends of each pair of support columns 107, and a plurality of bolt holes 109 are uniformly arranged on the upper surface of the bearing plate 108; the control box 101 is convenient for controlling the whole granulating device and using the whole granulating device, the guide plate 102 is convenient for guiding granulated material particles so as to facilitate the material particles to flow out of the machine body 1, the guide plate 102 is of an arc-shaped structure so as to facilitate the material particles to smoothly slide out of the machine body 1, the discharge port 103 is convenient for the granular material to flow out of the machine body 1 from the discharge port 103 so as to facilitate collecting and processing the granular material, the access hole 104 is convenient for overhauling the first motor 9 and the granulating head 8, the guide hole 105 is convenient for being matched with the granulating head 8 so as to facilitate the stable up-and-down movement of the granulating head 8, the use of the granulating head 8 is convenient, the machine body 1 is aligned with an opening arranged on the cooling box 2 so as to facilitate the end part of the cooling box 2 to be inserted into the machine body 1, the support table 106 is convenient for being matched with the support column 107 for the Jining support of the cooling box 2 so as to facilitate the stable matching of the granulating head 8 of the cooling box 2 to use, the supporting plate 108 is convenient to be matched with the bolt hole 109, so that the cooling box 2 and the machine body 1 are conveniently fixed through bolts, and the cooling box 2 can be stably operated and used conveniently.

Referring to FIG. 4: a plug 21 is arranged at one end of the cooling box 2 facing the opening of the machine body 1, a plurality of first bearings 22 are arranged on the front end face and the rear end face of the cooling box 2, a plurality of lock catches 23 are arranged on the front surface and the rear surface of the cooling box 2, the lock catches 23 do not interfere with the first bearings 22, snap rings 24 are rotatably connected to the top ends of the lock catches 23, an installation opening 25 is formed in the bottom surface of the cooling box 2, a limiting ring 26 is arranged at the top end of the inner side of the installation opening 25, a row of material guide pipes 27 are arranged in the cooling box 2 at positions aligned with the plug 21, a feed opening 28 is formed in one end, facing the interior of the cooling box 2, of each material guide pipe 27, the feed opening 28 is horn-shaped, each material guide pipe 27 penetrates through the plug 21 to be communicated with the interior of the machine body 1, and a material passing opening 29 is formed in the top of one end, facing the exterior, of the cooling box 2; the plug 21 facilitates the end of the cooling box 2 to be inserted into the machine body 1, thereby facilitating the use of the cooling box 2 in cooperation with the machine body 1, facilitating the installation and fixation of the cooling box 2, the first bearing 22 facilitates the cooperation with the guide shaft 7 and the bearing shaft 4, facilitating the rotation of the guide shaft 7 and the bearing shaft 4, the lock catch 23 and the buckle ring 24 facilitate the cooperation with the seal cover 5, facilitating the cooperation of the cooling box 2 and the seal cover 5, and facilitating the installation and disassembly of the seal cover 5, the installation opening 25 and the spacing ring 26 facilitate the mutual cooperation, thereby facilitating the stable installation of the heat dissipation fan 6 at the installation opening 25, facilitating the stable operation of the heat dissipation fan 6, facilitating the use of the heat dissipation fan 6, the guide pipe 27 facilitates the cooled material to enter the machine body 1 through the guide pipe 27, facilitating the grain cutting of the material guided out by the guide pipe 27 through the grain cutting head 8, the feed inlet 28 facilitates the cooled material to enter the guide pipe 27 through the, the purpose of feed inlet 28 is the flabellate is that the material of being convenient for can be quick gets into the passage 27 inside, crosses material mouth 29 and is convenient for the material that pulls out from the screw extruder inside can be smooth get into inside cooler bin 2, and the cooler bin 2 of being convenient for cools off the material.

Referring to FIG. 5: the front end and the rear end of the upper surface of the semiconductor refrigerating plate 3 are respectively provided with a connecting plate 31, the connecting plates 31 are uniformly provided with a plurality of connecting holes 32, both sides of one end of the semiconductor supporting plate are respectively provided with a conducting wire 33, and the ends of the two conducting wires 33 which are not connected with the semiconductor refrigerating plate 3 are provided with an electric connection head 34; connecting plate 31 and connecting hole 32 are convenient for mutually support, thereby the square root bolt passes connecting hole 32 and fixes semiconductor refrigeration piece 3, semiconductor refrigeration piece 3 of being convenient for can be stable install inside cooling box 2, semiconductor refrigeration piece 3 of being convenient for carries out rapid cooling to cooling box 2 is inside, the use of cooling box 2 of being convenient for, wire 33 is convenient for to switch on semiconductor refrigeration piece 3, thereby make things convenient for semiconductor refrigeration piece 3 can be quick to cooling box 2 is inside, connect the electricity and cut off the power supply of semiconductor refrigeration piece 3 of being convenient for of electrical connector 34, the nimble use of semiconductor refrigeration piece 3 of being convenient for.

Referring to FIG. 6: a plurality of supporting grooves 41 are uniformly arranged on the arc surface of the supporting shaft 4, first connecting shafts 42 are arranged at two ends of the supporting shaft 4, and the first connecting shafts 42 are connected with the first bearings 22 in an interference manner; the support groove 41 is convenient for limit the material of the support, the material of the support can be supported by the stable support of the support shaft 4, the first connecting shaft 42 is convenient for the support shaft 4 and the first bearing 22 to be rotatably connected together, and the support shaft 4 is convenient for to be matched with the first bearing 22 for use.

Referring to FIG. 7: the first bearing 22 is arranged at the position where the front end face and the rear end face of the sealing cover 5 are aligned with the guide shaft 7, the middle part of the front end face and the rear end face of the sealing cover 5 is provided with the handle 52, the clamping head 51 is arranged at the position where the bottom parts of the front end face and the rear end face of the sealing cover 5 are aligned with the clamping ring 24, the middle part of the upper surface of the sealing cover 5 is provided with the mounting port 25, the bottom end of the inner side of the mounting port 25 is provided with the limiting ring 26, and the bottom part of one end of the sealing cover 5 facing to the outside is provided with the material passing port 29; first bearing 22 is convenient for cooperate guiding axle 7, the roll of guiding axle 7 of being convenient for, handle 52 is convenient for open and shut to closing cap 5, the use of closing cap 5 of being convenient for, dop 51 is convenient for cooperate hasp 23 and buckle 24, it links together closing cap 5 and cooler bin 2 to be convenient for hasp 23 and buckle 24 cooperation dop 51, the installation and the dismantlement of closing cap 5 of being convenient for, installing mouth 25 and spacing collar 26 are convenient for mutually support, and then make things convenient for the installation that heat dissipation fan 6 can be stable at installing mouth 25 inboardly, it can stabilize quick heat discharge with semiconductor refrigeration piece 3 effluvium to be convenient for heat dissipation fan 6, the punishment in advance mouth 29 of closing cap 5 is convenient for cooperate the punishment in advance mouth 29 of cooler bin 2, thereby the material that makes things convenient for the extruder to extrude can get into and smoothly get into cooler bin 2 inside cooling treatment.

Referring to FIG. 8: a plurality of guide wheels 71 are arranged on the arc surfaces of the guide shafts 7, clamping grooves 72 are formed in the middle of the arc surfaces of the guide wheels 71, a plurality of gear teeth 73 are uniformly arranged on the arc surfaces of the guide wheels 71 along two sides of the clamping grooves 72, and belt wheels 74 are arranged at one ends of the guide shafts 7 extending out of the cooling box 2; the leading wheel 71 is convenient for lead to refrigerated material, second leading wheel 71 drives refrigerated material and carries to the passage 27 inside after second motor 10 drives leading wheel 71 rotation, and then conveniently carries the material, and then conveniently cuts grain processing to the material of carrying, and band pulley 74 is convenient for cooperate second motor 10 and belt 11, thereby make things convenient for second motor 10 and belt 11 to drive the guiding axle 7 rotation through belt drive's mode, and then make things convenient for guiding axle 7 to drive the material and carry.

The first embodiment is as follows:

referring to FIG. 9: the pelletizing head 8 of the embodiment comprises a cutting head 81, a rocker 82, a joint 83 and a guide roller 84, wherein a first cutting edge 811 is arranged at the top of the cutting head 81, the first cutting edge 811 is attached to one end face of the cooling box 2 inserted into the machine body 1, a second bearing 814 is arranged at the bottom of the cutting head 81, a second connecting shaft 821 is arranged at the position, aligned with the second bearing 814, of the top end of the rocker 82, the second connecting shaft 821 and the second bearing 814 are in interference connection, a third bearing 822 is arranged at the bottom end of the rocker 82, a third connecting shaft 831 is arranged at the position, aligned with the third bearing 822, of the joint 83, the third connecting shaft 831 is in interference connection with the third bearing 822, a connecting port 833 is arranged at the position, close to the bottom end, a positioning bolt 832 is arranged at the position, aligned with the connecting port 833, a plurality of slots 815 are uniformly arranged on two sides of the cutting head 81 from top to bottom, a pressing bolt 816 is arranged at the position, aligned with the slots 815 of one side of the cutting head 81, the compression bolt 816 is embedded into the tool bit 81, the guide roller 84 is connected into the slot 815, the middle of the guide roller 84 is provided with a pin shaft 841, and one end of the pin shaft 841 aligned with the slot 815 is provided with an insertion block 842; the cutter head 81 is convenient to be matched with the cooling box 2, so that materials output by the cooling box 2 can be conveniently cut into granules, the rocker 82 is convenient to be matched with the adapter 83 and the first motor 9, the guide roller 84 is convenient to guide the cutter head 81, so that the friction force between the cutter head 81 and the machine body 1 can be reduced, the first cutting edge 811 is convenient to cut materials output by the cooling box 2, so that the materials can be conveniently cut into granules, the second bearing 814 is convenient to be matched with the rocker 82, the rocker 82 can rotate relative to the cutter head 81, so that the rocker 82 can drive the cutter head 81 to move up and down when the first motor 9 drives the adapter 83 to rotate, so that the cutter head 81 can conveniently cut the materials into granules, the third rotating shaft is convenient for the rocker 82 and the adapter 83 to be rotatably connected together, the adapter 83 can conveniently be rotated to drive the rocker 82 to move up and down, the first motor 9 is convenient to be matched, the output end of the first motor 9 is connected with the adapter 83 together, positioning bolt 832 is convenient for fixed first motor 9 output and adapter 83, be convenient for first motor 9 output and adapter 83 can be stable link together, the guide roll 84 is convenient for install by slot 815, be convenient for the installation and the dismantlement of guide roll 84, the position of guide roll 84 is convenient for fix by clamp bolt 816, be convenient for the use of guide roll 84, the rotation of guide roll 84 is convenient for to round pin axle 841, be convenient for guide roll 84 to reduce the frictional force between tool bit 81 and the organism 1, insert block 842 is convenient for guide roll 84 one end to insert slot 815, be convenient for guide roll 84 cooperation slot 815 to use.

Referring to FIG. 10: a transmission shaft 91 is arranged at the output end of the first motor 9, a connecting block 92 is arranged at the position, aligned with the connecting port 833, of the transmission shaft 91, a connecting pin 93 is arranged at the bottom end of the arc surface of the first motor 9, and a plurality of mounting holes 94 are symmetrically formed in the connecting pin 93; transmission shaft 91 is convenient for first motor 9 and adapter 83 to link together, thereby make things convenient for first motor 9 to drive adapter 83 rotatory, and then the rotatory rocker 82 that drives through adapter 83 reciprocates, thereby make rocker 82 drive tool bit 81 reciprocate, connecting block 92 is convenient for transmission shaft 91 end insert connector 833, thereby make things convenient for first motor 9 output and adapter 83 to link together, connect foot 93 and mounting hole 94 and be convenient for mutually support, thereby conveniently fix first motor 9 through the bolt, be convenient for first motor 9's stable use.

The working principle of the embodiment is as follows: when in use, the whole granulating device is arranged right ahead the machine head of the screw extruder, and a rocker 82 with proper length is selected when a cutter head 81 is arranged, so that a first cutter edge 811 can move up and down at the port communicated with the interior of the material guide pipe 27 and the machine body 1 in the cooling box 2 when the rocker 82 moves up and down, then the whole granulating device is electrified, then the operation of the semiconductor refrigerating sheet 3 and the heat radiating fan 6 of the cooling box 2 is controlled by a control panel, meanwhile, a first motor 9 and a second motor 10 are also started, so that the first motor 9 drives the cutter head 81 to move up and down, the second motor 10 drives the guide shaft 7 to rotate, then the lock catch 23 is pulled open and the seal cover 5 is taken down, then a plurality of strip-shaped materials extruded by the machine head of the screw extruder are pulled, so that the materials pass through the material passing port 29 of the cooling box 2 and are put on the bearing shaft 4, and then the materials are respectively clamped in the material clamping grooves 72 of the guide wheel 71, the end of the material is inserted into the material guiding pipe 27, so that the material can pass through the material guiding pipe 27 and be cut into particles in the machine body 1 by the cutter head 81, then the sealing cover 5 is covered on the cooling box 2, and the guide shaft 7 of the sealing cover 5 and the guide shaft 7 of the cooling box 2 are meshed together, so that the material can be stabilized between the two guide wheels 71 which are matched with each other, then the semiconductor refrigerating sheets 3 in the sealing cover 5 are started, the temperature in the cooling box 2 is rapidly reduced under the mutual matching of the two semiconductor refrigerating sheets 3, and the purpose of rapidly cooling the material is achieved, the material is transmitted to the machine body 1 by the guide shaft 7 after being cooled, when the material is extracted from the cooling box 2, the motor drives the adapter 83 to rotate, the adapter 83 drives the rocker 82 to move up and down, so that the rocker 82 drives the cutter head 81 to move up and down, when the cutter head 81 moves up and down, the first cutting edge 811 cuts off the material extracted from the cooling box 2, thereby achieving the purpose of cutting materials into granules, the materials cut by the cutter head 81 can slide out of the machine body 1 through the guide plate 102, a worker can collect and process the materials cut into particle shapes by placing the container at the lower part of the discharge hole 103, when the first motor 9, the adapter 83 and the rocker 82 need to be overhauled, the access cover 12 can be detached to overhaul the materials, when the cutter head 81 needs to be replaced or maintained, the bolt between the cooling box 2 and the bearing plate 108 can be detached firstly, then the cooling box 2 is pulled out and the compression bolt 816 is unscrewed, then the moving direction roller is pulled out, then the positioning bolt 832 is unscrewed, so that the adapter 83 is separated from the output end of the first motor 9, then the whole cutter head 8 can be detached from the opening of the machine body 1 aligned with the cooling box 2, after the maintenance and the cutter head 8 is installed back to the original position and can be normally used, the whole equipment is simple to operate, all parts are flexible to use, disassembly and maintenance among all parts are facilitated, and some defects caused by traditional granulating equipment are avoided.

Example two:

referring to FIG. 9: the grain cutting head 8 of this embodiment includes a cutting head 81, a rocker 82, an adapter 83 and a guide roller 84, a cutting hole 812 is provided in the middle of the cutting head 81, the cutting hole 812 is rectangular, second blades 813 are provided at the top and bottom of the cutting hole 812, two second blades 813 are symmetrically provided, the second blades 813 are attached to one end surface of the cooling box 2 inserted into the machine body 1, a second bearing 814 is provided at the bottom of the cutting head 81, a second connecting shaft 821 is provided at the top end of the rocker 82 aligned with the second bearing 814, the second connecting shaft 821 and the second bearing 814 are connected in an interference manner, a third bearing 822 is provided at the bottom end of the rocker 82, a third connecting shaft 831 is provided at the position of the adapter 83 aligned with the third bearing 822, a connecting port 833 is provided at the position of the adapter 83 close to the bottom end, a positioning bolt 832 is provided at the position of the arc surface of the adapter 83 aligned with the connecting port 833, a plurality of inserting slots 815 are uniformly provided at the two sides of the cutting head 81 from top to bottom, a pressing bolt 816 is arranged at a position, aligned with the slot 815, of one side of the cutter head 81, the pressing bolt 816 is embedded into the cutter head 81, a guide roller 84 is connected into the slot 815, a pin shaft 841 is arranged in the middle of the guide roller 84, and an insertion block 842 is arranged at one end, aligned with the slot 815, of the pin shaft 841; the cutter head 81 is convenient to be matched with the cooling box 2, so that materials output by the cooling box 2 can be conveniently cut into granules, the rocker 82 is convenient to be matched with the adapter 83 and the first motor 9, the guide roller 84 is convenient to guide the cutter head 81, so that the friction force between the cutter head 81 and the machine body 1 can be reduced, the cutting hole 812 is convenient to rapidly cut the materials output by the cooling box 2, so that the materials can be conveniently cut into granules, the second cutting edge 813 is convenient to be matched with the cutting hole 812, so that the materials can be conveniently and rapidly cut into granules, the cutting hole 812 can be driven by the first motor 9 to move up and down, meanwhile, the second cutting edges arranged above and below the cutting hole 812 can carry out the granule cutting treatment on the materials output by the cooling box 2, so that the granules cut by the cutter hole are smaller than the granules cut by the first cutting edge 811, the second bearing 814 is convenient to be matched with the rocker 82, the rocker 82 can rotate relative to the cutter head 81, thereby conveniently enabling the rocker 82 to drive the cutter head 81 to move up and down when the first motor 9 drives the adapter 83 to rotate, further conveniently enabling the cutter head 81 to cut the materials into particles, the third rotating shaft is convenient for the rocker 82 and the adapter 83 to be rotatably connected together, the adapter 83 is convenient for the rocker 82 to rotate and drive the rocker 82 to move up and down, the connector is convenient for being matched with the first motor 9, the output end of the first motor 9 and the adapter 83 are convenient for being connected together, the positioning bolt 832 is convenient for fixing the output end of the first motor 9 and the adapter 83, the output end of the first motor 9 and the adapter 83 can be stably connected together, the slot 815 is convenient for installing the guide roller 84, the guide roller 84 is convenient for installing and disassembling, the position of the guide roller 84 is convenient for fixing by the compression bolt 816, the guide roller 84 is convenient for using, the pin 841 is convenient for the guide roller 84 to rotate, and is convenient for the guide roller 84 to reduce the friction force between the cutter head 81 and the machine body 1, the plug 842 facilitates insertion of one end of the guide roller 84 into the socket 815 and facilitates use of the guide roller 84 with the socket 815.

The working principle of the embodiment is as follows: when in use, the whole granulating device is arranged right in front of the machine head of the screw extruder, when the cutter head 81 is used, a cutting hole 812 of the cutter head 81 is aligned with the port of the material guide pipe 27 in the cooling box 2 communicated with the machine body 1, then a rocker 82 with a proper length is selected, the rocker 82 is connected with the adapter 83, when the rocker 82 is driven by the first motor 9 to move up and down, two second cutting edges 813 above and below the cutting hole 812 can move up and down at the port of the material guide pipe 27 in the cooling box 2 communicated with the machine body 1, then the whole granulating device is electrified, then the semiconductor refrigerating sheet 3 and the heat radiating fan 6 of the cooling box 2 are controlled to operate by the control panel, the first motor 9 and the second motor 10 are also started, the first motor 9 drives the cutter head 81 to move up and down, the second motor 10 drives the guide shaft 7 to rotate, then the lock catch 23 is pulled out, and the seal cover 5 is taken down, then pulling a plurality of strip-shaped materials extruded by the head of the screw extruder, enabling the materials to pass through the material passing port 29 of the cooling box 2 and be lapped on the bearing shaft 4, then respectively clamping the materials in the material clamping grooves 72 of the guide wheels 71, inserting the end parts of the materials into the material guide pipes 27, enabling the materials to pass through the material guide pipes 27 to be arranged in the machine body 1 to be cut into granules by the cutter head 81, then covering the sealing cover 5 on the cooling box 2, enabling the guide shafts 7 of the sealing cover 5 and the guide shafts 7 of the cooling box 2 to be meshed together, enabling the materials to be stabilized between the two guide wheels 71 which are matched with each other, then starting the semiconductor refrigerating sheets 3 in the sealing cover 5, enabling the temperature in the cooling box 2 to be rapidly reduced under the mutual matching of the two semiconductor refrigerating sheets 3, thereby achieving the purpose of rapidly cooling the materials, and transmitting the materials to the machine body 1 by the guide shafts 7 after cooling, when a material is extended out of the cooling box 2, the motor drives the adapter 83 to rotate, the adapter 83 drives the rocker 82 to move up and down, so that the rocker 82 drives the cutter head 81 to move up and down, the upper and lower second blades 813 of the cutter hole can continuously cut the material, the granularity of the material cut by the embodiment is smaller than that of the material cut by the cutter head 81 of the embodiment under the condition of certain output power of the first motor 9, the material cut by the cutter head 81 can slide out of the machine body 1 through the guide plate 102, a worker places a container at the lower part of the discharge hole 103 to collect and process the material cut into particles, when the first motor 9, the adapter 83 and the rocker 82 need to be overhauled, the overhaul cover 12 can be dismantled to overhaul the material, when the cooling box 2 and the bearing plate 108 need to be replaced or maintained, the bolt between the cooling box 2 and the bearing plate 108 can be dismantled firstly, later pull out cooler bin 2 and unscrew clamp bolt 816, then extract and move to the roller, later unscrew positioning bolt 832, make adapter 83 and the 9 output of first motor break away from, later alright with the opening part alright with taking off whole grain head 8 of aligning cooler bin 2 from organism 1, install back original position and can normal use to grain head 8 maintenance after finishing, whole equipment operation is simple, and use between each part is nimble, make things convenient for dismantlement and maintenance between each part, some drawbacks that traditional grain equipment brought have also been avoided.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a grain device is cut to aircraft nose for screw extruder, includes organism (1) and access cover (12), the position that the bottom is close to at organism (1) back is equipped with access cover (12), access cover (12) link together its characterized in that through bolt and organism (1): also comprises

The cooling mechanism comprises a cooling box (2), a semiconductor refrigerating sheet (3), a bearing shaft (4), a sealing cover (5), a heat dissipation fan (6) and a guide shaft (7); the cooling box (2) is inserted into the machine body (1) towards one end of the machine body (1), the position, close to the bottom surface, inside the cooling box (2) is connected with a semiconductor refrigeration sheet (3) through a bolt, a plurality of bearing shafts (4) are uniformly arranged inside the cooling box (2) along the position above the semiconductor refrigeration sheet (3), a position guide shaft (7) close to the machine body (1) inside the cooling box (2), the rear end of the guide shaft (7) extends out from the rear end face of the cooling box (2), a sealing cover (5) is arranged at an opening at the top end of the cooling box (2), the semiconductor refrigeration sheet (3) is arranged at the position, close to the top end, inside the sealing cover (5), the guide shaft (7) which is aligned with the cooling box (2) is also arranged at the inner side of the sealing cover (5), and the guide shaft (7) inside the sealing cover (5) are mutually meshed, the middle parts of the upper surface of the sealing cover (5) and the bottom surface of the cooling box (2) are provided with heat dissipation fans (6);

the granulating mechanism comprises a granulating head (8) and a first motor (9), the granulating head (8) is aligned with the cooling box (2) and inserted into one end face of the machine body (1), the granulating head (8) is connected with the machine body (1) in a sliding mode, the first motor (9) is connected to the bottom end of the granulating head (8), and the first motor (9) is connected with the inner cavity of the machine body (1) through bolts;

the driving mechanism comprises a second motor (10) and a belt (11), the second motor (10) is arranged between the cooling mechanism and the machine body (1), the second motor (10) is aligned to the guide shaft (7), and the output end of the second motor (10) is connected with the guide shaft (7) through the belt (11).

2. The machine head granulating device for the screw extruder as claimed in claim 1, wherein a control box (101) is provided at a position close to the top end of the front side of the machine body (1), a material guide plate (102) is provided inside the machine body (1), the material guide plate (102) is integrally of an arc structure, a discharge port (103) is provided at a position of the side surface of the machine body (1) aligned with the bottom end of the material guide plate (102), an access opening (104) is provided at a position of the back surface of the machine body (1) aligned with the access cover (12), a guide opening (105) is provided at a position of the front and back end surfaces of the machine body (1) aligned with the granulating head (8), an opening is provided at a side of the machine body (1) facing the cooling box (2), a supporting table (106) is provided at a position of the machine body (1) aligned with the bottom surface of the cooling box (2), and a pair of supporting columns (107) is provided at both sides of the upper surface of the supporting table (106), and a bearing plate (108) is arranged between the top ends of each pair of supporting columns (107), and a plurality of bolt holes (109) are uniformly formed in the upper surface of the bearing plate (108).

3. The machine head granulating device for the screw extruder as claimed in claim 1, wherein a plug (21) is arranged at one end of the cooling box (2) facing the opening of the machine body (1), a plurality of first bearings (22) are arranged on both the front and rear end faces of the cooling box (2), a plurality of latches (23) are arranged on both the front and rear faces of the cooling box (2), the latches (23) do not interfere with the first bearings (22), a retaining ring (24) is rotatably connected to the top end of each latch (23), an installation opening (25) is arranged on the bottom face of the cooling box (2), a limiting ring (26) is arranged at the top end of the inner side of each installation opening (25), a row of guide tubes (27) is arranged at the position of the plug (21) aligned in the cooling box (2), a feed inlet (28) is arranged at one end of each guide tube (27) facing the inside of the cooling box (2), and the feed inlet (28) is horn-shaped, the material guide pipe (27) penetrates through the plug (21) to be communicated with the interior of the machine body (1), and the top of one end, facing the outside, of the cooling box (2) is provided with a material passing hole (29).

4. The machine head granulating device for the screw extruder is characterized in that connecting plates (31) are arranged at the front end and the rear end of the upper surface of the semiconductor refrigerating sheet (3), a plurality of connecting holes (32) are uniformly formed in the connecting plates (31), conducting wires (33) are arranged on two sides of one end of the semiconductor supporting sheet, and electric connectors (34) are installed at the ends, which are not connected with the semiconductor refrigerating sheet (3), of the two conducting wires (33).

5. The pelletizing device for the machine head of the screw extruder is characterized in that a plurality of supporting grooves (41) are uniformly arranged on the arc surface of the supporting shaft (4), a first connecting shaft (42) is arranged at each end of the supporting shaft (4), and the first connecting shaft (42) and the first bearing (22) are connected together in an interference manner.

6. The machine head granulating device for the screw extruder as claimed in claim 5, wherein the positions of the front and rear end faces of the sealing cover (5) aligned with the guide shafts (7) are provided with first bearings (22), the middle parts of the front and rear end faces of the sealing cover (5) are provided with handles (52), the positions of the front and rear end faces of the sealing cover (5) aligned with the retaining rings (24) are provided with chucks (51), the middle part of the upper surface of the sealing cover (5) is provided with a mounting port (25), the bottom end of the inner side of the mounting port (25) is provided with a limiting ring (26), and the bottom of one end of the sealing cover (5) facing outwards is provided with a material passing port (29).

7. The machine head granulating device for the screw extruder as claimed in claim 6, wherein a plurality of guide wheels (71) are arranged on the arc surfaces of the guide shafts (7), a clamping groove (72) is arranged in the middle of the arc surface of each guide wheel (71), a plurality of gear teeth (73) are uniformly arranged on the arc surface of each guide wheel (71) along two sides of the clamping groove (72), and a belt wheel (74) is arranged at one end of each guide shaft (7) extending out of the cooling box (2).

8. The machine head granulating device for the screw extruder as claimed in any one of claims 1 to 7, wherein the granulating head (8) comprises a cutter head (81), a rocker (82), an adapter (83) and a guide roller (84), a first cutting edge (811) is arranged at the top of the cutter head (81), the first cutting edge (811) is attached to one end face of the cooling box (2) inserted into the machine body (1), a second bearing (814) is arranged at the bottom of the cutter head (81), a second connecting shaft (821) is arranged at the position of the top end of the rocker (82) aligned with the second bearing (814), the second connecting shaft (821) and the second bearing (814) are connected together in an interference manner, a third bearing (822) is arranged at the bottom end of the rocker (82), a third connecting shaft (831) is arranged at the position of the adapter (83) aligned with the third bearing (822), and the third bearing (831) and the third bearing (822) are connected together in an interference manner, the position that adapter (83) are close to the bottom is equipped with connector (833), the position that adapter (83) arc surface aligns connector (833) is equipped with positioning bolt (832), tool bit (81) both sides are by last even a plurality of slots (815) that are equipped with down, the position that tool bit (81) one side aligns slot (815) is equipped with clamp bolt (816), inside clamp bolt (816) embedding tool bit (81), slot (815) internal connection has guide roll (84), guide roll (84) middle part is equipped with round pin axle (841), the one end that round pin axle (841) aligns slot (815) is equipped with inserted block (842).

9. The machine head granulating device for the screw extruder as claimed in claim 8, wherein the cutter head (81) is provided with a cutting hole (812) in the middle, the cutting hole (812) is rectangular, the top end and the bottom end of the cutting hole (812) are provided with second cutting edges (813), two of the second cutting edges (813) are symmetrically arranged, and the second cutting edges (813) are attached to one end face of the cooling box (2) inserted into the machine body (1).

10. The machine head granulating device for the screw extruder as claimed in claim 9, wherein the output end of the first motor (9) is provided with a transmission shaft (91), a connecting block (92) is arranged at the position where the transmission shaft (91) is aligned with the connecting port (833), the bottom end of the circular arc surface of the first motor (9) is provided with a connecting pin (93), and a plurality of mounting holes (94) are symmetrically arranged on the connecting pin (93).