CN113199656B - Production line for HDPE plastic granulation and working method thereof - Google Patents
Production line for HDPE plastic granulation and working method thereof Download PDFInfo
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- CN113199656B CN113199656B CN202110369342.0A CN202110369342A CN113199656B CN 113199656 B CN113199656 B CN 113199656B CN 202110369342 A CN202110369342 A CN 202110369342A CN 113199656 B CN113199656 B CN 113199656B
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- 239000004033 plastic Substances 0.000 title claims abstract description 53
- 229920003023 plastic Polymers 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 12
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 12
- 238000005469 granulation Methods 0.000 title claims abstract description 10
- 230000003179 granulation Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005453 pelletization Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005406 washing Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The application relates to a production line for HDPE plastic granulation, which comprises a feeding device, a cutting device, a cleaning device, a conveying device and an extrusion molding device, wherein the feeding device comprises a feeding box and a spiral conveyor, the cutting device comprises a cutting box, and the cutting box is connected with the spiral conveyor; the cleaning device comprises a cleaning tank, and an outlet of the cutting box is arranged towards the cleaning tank; the conveying device comprises a conveying belt arranged on the cleaning tank, the extrusion molding device comprises an extruding machine arranged below the end part of the conveying belt, and a cooling tank is arranged at a discharge port of the extruding machine; the feeding box is provided with a feeding roller, a feeding plate and a first rotary disc, the feeding plate is positioned below the first rotary disc, the first rotary disc is rotatably installed in the feeding box, a plurality of baffle plates are arranged on the first rotary disc, the feeding plate is movably installed in the feeding box, a feeding pipe is arranged on the feeding box, and the end part of the feeding pipe is communicated with the feeding port of the spiral conveyor. The invention has the effect of facilitating the ordered feeding of the production line and improving the working efficiency.
Description
Technical Field
The application relates to the technical field of spraying equipment, in particular to a spraying device for insulator processing.
Background
At present, a plastic granulator is mainly used for processing waste plastic films, such as industrial packaging films, agricultural mulching films, greenhouse films, beer bags, hand bags, woven bags, agricultural convenient bags, basins, barrels, beverage bottles, furniture, daily necessities and the like, is suitable for most common waste plastics, and is a plastic regeneration processing machine which has the widest application and the most extensive use in the waste plastic regeneration industry and is popular with users.
Related art is as disclosed in patent application publication No. CN108501249A, including the agitator tank, be provided with the axis of rotation in the agitator tank, axis of rotation one end is provided with the motor, the agitator tank top is provided with crushing case, crushing roof portion is provided with the feed inlet, one side that the motor was kept away from to the agitator tank is provided with the stripper plate, the stripper plate opposite side is provided with the shaping case, be provided with the bull stick in the shaping case, the bull stick surface has cup jointed the fixed block, the fixed block both sides are provided with the lug. The heating wire cutting machine is provided with the rotating rod, the fixing block and the heating wire, so that the servo motor drives the rotating rod to rotate forwards and backwards, the fixing block drives the heating wire to move up and down, and the heating wire is heated by the positive power supply and the negative power supply arranged at the two ends of the heating wire, so that extruded plastics are cut off quickly, and the cut plastic particles are more uniform.
In view of the above-mentioned related technologies, the inventor believes that there are the following defects that when feeding, in order to feed plastics orderly, the plastics need to be fed into the conveyor in order without stop, the labor intensity of workers is high, and the work efficiency needs to be improved.
Disclosure of Invention
In order to conveniently and orderly carry out feeding and save manpower so as to improve the working efficiency, the application provides a production line for HDPE plastic granulation and a working method thereof.
In a first aspect, the application provides a production line for HDPE plastic granulation, which adopts the following technical scheme:
a production line for HDPE plastic granulation comprises a feeding device, a cutting device, a cleaning device, a conveying device and an extrusion molding device, wherein the feeding device comprises a feeding box and a spiral conveyor, the cutting device comprises a cutting box, and the cutting box is connected with the spiral conveyor; the cleaning device comprises a cleaning tank, and an outlet of the cutting box is arranged towards the cleaning tank; the conveying device comprises a conveying belt arranged on the cleaning tank, the extrusion molding device comprises an extruding machine arranged below the end part of the conveying belt, and a cooling tank is arranged at a discharge port of the extruding machine; the feeding box is provided with a feeding roller, a feeding plate and a first rotary disc, the feeding plate is positioned below the first rotary disc, the first rotary disc is rotatably installed in the feeding box, a plurality of baffle plates are arranged on the first rotary disc, the feeding plate is movably installed in the feeding box, a feeding pipe is arranged on the feeding box, and the end part of the feeding pipe is communicated with the feeding port of the spiral conveyor.
By adopting the technical scheme, the feeding device is used for feeding, the plastic to be processed is sent into the feeding box, orderly enters between the feeding plate and the feeding roller through the rotation of the first rotary plate in the feeding box, is pushed by the feeding plate in the feeding box, is sent into between the feeding rollers, is extruded into the feeding pipe through the feeding roller, finally enters into the bolt conveyor, is cleaned through the cleaning groove in sequence, is conveyed by the conveying belt, enters into the plastic extruding machine through the conveying belt for plastic extrusion molding, and finally enters into the cooling tank for cooling and collection; the structure of carousel one has been increased, stores plastics in the top of carousel one, sends into the below of carousel one with plastics when carousel one rotates, has realized more orderly material loading, does not need artifical repetition send into screw conveyer with plastics in, has promoted work efficiency.
Preferably, one side of the feeding box is provided with a discharge hole communicated with the feeding pipe, the feeding rollers are provided with two positions and are both rotatably arranged at the discharge hole, the two feeding rollers are arranged in parallel, and the feeding box is provided with a driving motor for driving the feeding rollers to rotate; the feeding box is provided with a first driving piece for driving the feeding plate to move horizontally, and the feeding box is provided with a second driving piece for driving the first rotating disc to rotate.
By adopting the technical scheme, the structure of the two feeding rollers is used, the feeding plate is fed between the feeding rollers, and the feeding rollers can be driven by plastics when rotating, so that the feeding effect is realized; the first driving piece and the second driving piece can be used for driving the feeding plate and the first rotating disc respectively.
Preferably, the first driving part comprises an electric push rod arranged on the outer wall of the feeding box, the electric push rod is horizontally arranged, the end part of a movable rod of the electric push rod is connected with the feeding plate, and a raised line is arranged on one side, close to the feeding roller, of the feeding plate.
Through adopting above-mentioned technical scheme, increased electric putter's structure, the structure through electric putter acts on the delivery sheet, can drive the delivery sheet and carry out horizontal migration, has realized the drive to the delivery sheet for send into the material between the feed roller.
Preferably, the second driving part comprises a mounting frame arranged on the feeding box and a second rotary table arranged on the mounting frame, the axis of the second rotary table is horizontally arranged, a plurality of driving blocks are arranged on the second rotary table, one end of the first rotary table extends to the outside of the feeding box, a driving rod matched with the driving blocks is arranged on the first rotary table, and the driving blocks abut against the driving rod; and a sub-driving piece for driving the second rotating disc to rotate is arranged outside the feeding box.
Through adopting above-mentioned technical scheme, increased the structure of carousel two, the rotation through carousel two can drive the drive block and rotate, and the drive block is used in the actuating lever of carousel one, has realized the drive to carousel one, uses sub-driving piece to carry out the drive of carousel two alright rotate with driving carousel one.
Preferably, the middle part of the second rotating disc is provided with a through hole, and the sub driving part comprises a piston rod movably arranged in the through hole; a horizontal driving pipe I is arranged outside the feeding box, a magnet I is arranged on one side of the feeding plate, a horizontal sliding block is arranged in the feeding box, the sliding block is slidably arranged in the driving pipe I and is connected with a piston I, and the piston I is movably arranged in the driving pipe I; a second magnet is arranged on one side, close to the first magnet, of the sliding block, the magnetism of the side, close to the first magnet, of the first magnet is opposite to that of the side, close to the second magnet, of the first magnet, the feeding box is made of aluminum alloy, and the feeding plate can drive the sliding block to move horizontally; a horizontal driving pipe II is arranged on the mounting rack, and a connecting pipe is connected between the driving pipe I and the driving pipe II and is communicated with the driving pipe II through the connecting pipe; one end of the piston rod is movably arranged in the second driving pipe and is connected with a second piston, and the second piston is connected with the second driving pipe in a sliding manner; the outer part of the piston rod is formed with a curved guide groove, the curved direction of the guide groove is along the circumferential direction and is curved towards the end part of the piston rod, and the inner wall of the through hole on the inner side of the rotary disc II is provided with a guide block matched with the guide groove.
By adopting the technical scheme, the structure of the piston rod on the second rotary table is increased, the guide groove on the piston rod is matched with the structure of the guide block on the inner side of the through hole, the second rotary table can be driven to rotate when the piston rod moves horizontally, the first magnet and the second magnet are respectively arranged on the feeding plate and the sliding block, the sliding block can be driven to move horizontally when the feeding plate moves, the sliding block can drive the first piston to move when moving, the first piston can change the air pressure in the first driving pipe when moving, the first driving pipe and the second driving pipe are communicated through the connecting pipe, the first piston can be driven to move when moving, the second piston can drive the piston rod to move, the drive on the piston rod and the second rotary table is realized, the second rotary table rotates, and the second rotary table realizes the drive on the first rotary table.
Preferably, movable grooves are formed in the periphery of the second rotary table, the driving block is movably mounted in the movable grooves, return springs are arranged in the movable grooves, two ends of each return spring are connected with the bottom of each movable groove and the end of each driving block respectively, one end of each driving block extends to the outside of each movable groove and is formed into an inclined plane, and the inclined planes are inclined towards the same side away from the corresponding return spring gradually and along the circumferential direction of the second rotary table.
Through adopting above-mentioned technical scheme, the structure that has increased the activity groove is used for carrying out the installation of drive block, because be provided with the inclined plane structure of slope on the drive block, and the structure that has used reset spring resets, only can carry out the drive of carousel one when carrying out forward rotation, can make the drive block enter into the activity groove when carrying out the back drive, consequently can not carry out the drive of carousel one when the delivery sheet removes towards the feed roll, just can make a carousel rotate when the delivery sheet removes towards the direction of keeping away from the feed roll, make things convenient for going on of pay-off.
Preferably, a horizontal stirring rod is rotatably installed in the cleaning tank, and blades are arranged at the edge of the stirring rod; a first return pipe and a second return pipe are arranged between the cleaning tank and the cooling tank, one end of the first return pipe is communicated with the bottom of the cleaning tank, the other end of the first return pipe is communicated with the top of the reflux tank, one end of the second return pipe is communicated with the bottom of the cleaning tank, and the other end of the second return pipe is communicated with the top of the reflux tank.
By adopting the technical scheme, the structure of the stirring rod and the blades is used, and the plastic sheets in the cleaning tank can be driven to move forward when the stirring rod rotates, and are conveyed to the position of the conveying belt for conveying; meanwhile, the structure of the first return pipe and the second return pipe is used, hot water in the cooling tank is sent into the cleaning tank, cold and hot circulation is achieved, and the hot water in the cooling tank is cooled.
Preferably, be provided with the protection casing on the washing tank inside wall, be provided with the filter screen around the protection casing bottom, the bottom of protection casing and the bottom inner wall of washing tank are connected respectively to the both sides of the vertical direction of filter screen.
Through adopting above-mentioned technical scheme, increased the structure of protection casing and filter screen, when using back flow one to draw water, be difficult for taking out too much debris in the washing tank, the pollution abatement.
In a second aspect, the application provides a working method of a production line for HDPE plastic granulation.
S1, feeding the plastic to be processed into a feeding box, orderly entering a space between a feeding plate and a feeding roller through the rotation of a first rotating disc in the feeding box, feeding the plastic into the space between the feeding rollers through the pushing of the feeding plate in the feeding box, extruding the plastic into a feeding pipe through the feeding roller, and finally entering a bolt conveyor;
s2, the cut plastic blocks enter a cleaning tank to be cleaned, and effective cleaning is carried out in the advancing process of the cleaning tank;
s3, after being cleaned, the mixture is conveyed into an extruding machine through a conveying belt to be extruded and molded and is conveyed into a cooling tank through the discharge end of the extruding machine;
and S4, cooling the molded plastic particles by cooling water contained in the cooling tank to obtain a finished product falling into the cooling tank.
In summary, the present application includes at least one of the following beneficial technical effects:
the feeding device is used for feeding, the plastic to be processed is fed into the feeding box, the structure of the first rotary table is added, the plastic is stored above the first rotary table, and the plastic is fed below the first rotary table when the first rotary table rotates, so that more ordered feeding is realized, the plastic is not required to be fed into the spiral conveyor manually and repeatedly, and the working efficiency is improved;
the structure of the second rotary table is added to be matched with the first rotary table, the structure of the sliding block is used, the sliding block can be driven by the first magnet and the second magnet to move horizontally when the feeding plate moves horizontally, the piston rod is driven by the structure of the first driving pipe and the second driving pipe, the second rotary table drives the first rotary table by the piston rod, the second rotary table drives the first rotary table by the driving block, the two rotary tables are controlled in a one-way mode, and the first rotary table rotates only when the feeding plate moves towards the direction far away from the feeding roller;
the structure of the first return pipe and the second return pipe is increased, water flow circulation between the cooling tank and the cleaning tank is realized, and when the cooling tank is used, water flow with high temperature in the cooling tank is sent into the cleaning tank, so that water circulation and water cooling are realized, and water resources are fully utilized.
Drawings
FIG. 1 is a schematic view of a main structure of the first embodiment;
FIG. 2 is a schematic view of the interior of the hopper of the first embodiment;
FIG. 3 is a schematic view of a driving member according to an embodiment;
FIG. 4 is a schematic cross-sectional view of a hopper according to one embodiment;
FIG. 5 is a schematic view of the inside of the second rotary plate according to the first embodiment;
FIG. 6 is a schematic diagram of the cleaning tank and the cooling tank according to one embodiment;
FIG. 7 is a schematic view of the internal structure of the cleaning tank according to the first embodiment.
Description of reference numerals: 1. a feeding box; 11. a feed pipe; 12. a feed roller; 13. a feeding plate; 14. an electric push rod; 15. a first rotating disc; 16. a baffle plate; 17. a drive rod; 18. a magnet I; 2. a screw conveyor; 3. cutting the box; 4. a cleaning tank; 41. a conveyor belt; 42. a first return pipe; 43. a second return pipe; 44. a protective cover; 45. a filter screen; 5. a plastic extruding machine; 6. a cooling tank; 7. a mounting frame; 71. a second driving pipe; 72. a connecting pipe; 73. a first driving pipe; 74. a slider; 75. a second magnet; 76. a second piston; 8. a second rotating disc; 81. a drive block; 82. a movable groove; 83. a return spring; 84. a guide block; 9. a piston rod; 91. a guide groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
First embodiment, refer to fig. 1, this application embodiment discloses a production line for HDPE plastics granulation, including material feeding unit, cutting device, belt cleaning device, conveyor and extrusion molding device, material feeding unit includes pay-off case 1 and screw conveyer 2, and cutting device includes cutting case 3, and cutting case 3 is connected with screw conveyer 2.
Referring to fig. 1, the cleaning device includes a cleaning tank 4, two horizontal stirring rods are rotatably installed in the cleaning tank 4, the stirring axis is arranged along the width direction of the cleaning tank 4, blades are fixedly connected to the edges of the stirring rods, and the outlet of the cutting box 3 is arranged toward the cleaning tank 4. When the stirring rod rotates, the blade is driven to rotate, so that the plastic in the cleaning tank 4 moves forward. The conveying device comprises a conveying belt 41 arranged on the cleaning tank 4, the extrusion molding device comprises an extruding machine 5 arranged below the end part of the conveying belt 41, and a cooling tank 6 is connected to the discharge port of the extruding machine 5 and communicated with the cooling tank 6.
Referring to fig. 2 and 3, a feeding roller 12, a feeding plate 13 and a first rotating disc 15 are installed in a feeding box 1 serving as a feeding device, the feeding plate 13 is located below the first rotating disc 15, the first rotating disc 15 is rotatably installed in the feeding box 1, a plurality of baffle plates 16 are formed on the first rotating disc 15, the feeding plate 13 is movably installed in the feeding box 1, a feeding pipe 11 is arranged on the feeding box 1, and the end part of the feeding pipe 11 is communicated with a feeding port of a spiral conveyor 2. The discharge hole that the conveying pipe 11 is linked together is seted up to one side at feed box 1, and feed roll 12 is installed two and the axis of feed roll 12 sets up along the horizontal direction in discharge hole department, and feed plate 13 is close to and is kept away from feed roll 12 along the horizontal direction and remove, installs the driving motor that drives feed roll 12 pivoted on feed box 1. The feeding box 1 is provided with a first driving part for driving the feeding plate 13 to horizontally move and a second driving part for driving the first rotating disc 15 to rotate. The first driving piece comprises an electric push rod 14 installed on the outer wall of the feeding box 1, the electric push rod 14 is horizontally arranged, the end portion of a movable rod of the electric push rod 14 is connected with the feeding plate 13, a convex strip is formed on one side, close to the feeding roller 12, of the loose plate, the feeding plate 13 can send plastic into the space between the feeding roller 12 when being close to the feeding roller 12, and conveying of the plastic is achieved.
Referring to fig. 2-4, the second driving member comprises a mounting frame 7 fixedly mounted on the feeding box 1 and a second rotary table 8 mounted on the mounting frame 7, the axis of the second rotary table 8 is horizontally arranged, a plurality of driving blocks 81 are mounted on the second rotary table 8, one end of the first rotary table 15 extends to the outside of the feeding box 1, a driving rod 17 matched with the driving blocks 81 is formed on the first rotary table 15, the driving blocks 81 abut against the driving rod 17, and a secondary driving member for driving the second rotary table 8 to rotate is arranged outside the feeding box 1. Only need carry out the drive of two 8 of carousel alright with the drive that realizes a 15 of carousel, baffle 16 on the carousel 15 blocks plastics, can make plastics fall into between flitch 13 and the feed roll 12 of sending when the carousel rotates, conveniently carries out the material loading.
Referring to fig. 2-4, a through hole is formed in the middle of the second rotary table 8, and the sub-driving member includes a piston rod 9 movably installed in the through hole. A horizontal driving pipe I73 is fixedly installed outside the feeding box 1, a magnet I18 is installed on one side of the feeding plate 13, a horizontal sliding block 74 is arranged outside the feeding box 1, the sliding block 74 is installed in the driving pipe I73 in a sliding mode and connected with a piston I, and the sliding block 74 drives the piston I to horizontally slide along the length direction of the driving pipe I73. The piston one is movably arranged in the driving pipe one 73. The second magnet 75 is arranged on one side, close to the first magnet 18, of the slide block 74, the magnetism of the side, close to the second magnet 75, of the first magnet 18 is opposite to that of the side, close to the second magnet 75, of the slide block, the feeding box 1 and the first driving pipe 73 are made of aluminum alloy materials, and the slide block 74 can be driven by the feeding plate 13 to move horizontally. A second horizontal driving pipe 71 is mounted on the mounting frame 7, and a connecting pipe 72 is connected between the first driving pipe 73 and the second driving pipe 71 and is communicated with the first driving pipe 71 through the connecting pipe 72. One end of the piston rod 9 is movably arranged in the second driving pipe 71 and is connected with a second piston 76, and the second piston 76 is connected with the driving pipe in a sliding mode. A curved guide groove 91 is formed outside the piston rod 9, the curved direction of the guide groove 91 is along the circumferential direction and is curved towards the end part of the piston rod 9, and a guide block 84 matched with the guide groove 91 is formed on the inner wall of the through hole on the inner side of the rotary disc II 8. The guide block 84 is slidably mounted in the guide groove 91, and when the piston rod 9 moves, the guide block 84 is acted on by the guide groove 91, so that the rotating disc two 8 rotates.
Referring to fig. 4 and 5, in order to enable the second rotating disk 8 to drive the first rotating disk 15 in a unidirectional manner, a plurality of movable grooves 82 are formed in the edge of the second rotating disk 8, a driving block 81 is movably mounted in the movable grooves 82, one end of the driving block 81 extends to the outside of the movable grooves 82, a return spring 83 is mounted in the movable grooves 82, two ends of the return spring 83 are respectively connected with the bottom of each movable groove 82 and the end of the driving block 81, and the return spring 83 is used for returning the driving block 81. One end of the driving block 81 extending to the outside of the movable groove 82 is formed with an inclined plane, and the inclined plane is gradually far away from the return spring 83 and inclines along the same side of the circumferential direction of the second rotating disk 8. The structure of this department's slope and reset spring 83 has been used, only can carry out the drive of a carousel 15 when carrying out forward rotation, can make drive block 81 enter into the movable groove 82 when carrying out reverse drive, consequently can not carry out the drive of a carousel 15 when the feed plate 13 removes towards feed roll 12, just can make a carousel 15 rotate when the feed plate 13 removes towards the direction of keeping away from feed roll 12, make things convenient for going on of pay-off.
Referring to fig. 6 and 7, a first return pipe 42 and a second return pipe 43 are connected between the washing tub 4 and the cooling tub 6, one end of the first return pipe 42 is communicated with the bottom of the washing tub 4, the other end is communicated with the top of the return tub, one end of the second return pipe 43 is communicated with the bottom of the washing tub 4, and the other end is communicated with the top of the return tub. Install the protection casing 44 on the inside wall of washing tank 4, be connected with filter screen 45 around the protection casing 44 bottom, the bottom of protection casing 44 and the bottom inner wall of washing tank 4 are connected respectively to the both sides of the vertical direction of filter screen 45. Through the structure of the filter screen 45, when the first return pipe 42 draws water flow, sundries entering the first return pipe 42 can be reduced, and pollution to plastics in the cooling tank 6 is reduced.
The second embodiment discloses a working method of a production line for HDPE plastic granulation, which comprises the following steps: s1, feeding the plastic to be processed into the feeding box 1, sequentially feeding the plastic between the feeding plate 13 and the feeding roller 12 through the rotation of the first rotating disc 15 in the feeding box 1, feeding the plastic between the feeding roller 12 through the pushing of the feeding plate 13 in the feeding box 1, extruding the plastic into the feeding pipe 11 through the feeding roller 12, and finally feeding the plastic into the screw conveyor 2;
s2, the cut plastic blocks enter the cleaning tank 4 for cleaning, and effective cleaning is carried out in the advancing process of the cleaning tank 4;
s3, after being cleaned, the mixture is sent to an extruding machine 5 through a conveying belt 41 for extrusion forming and is sent to a cooling tank 6 through the discharging end of the extruding machine 5;
and S4, cooling the molded plastic particles by using the cooling water contained in the cooling tank 6 to obtain a finished product falling into the cooling tank 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. A production line for HDPE plastic granulation comprises a feeding device, a cutting device, a cleaning device, a conveying device and an extrusion molding device, and is characterized in that the feeding device comprises a feeding box (1) and a spiral conveyor (2), the cutting device comprises a cutting box (3), and the cutting box (3) is connected with the spiral conveyor (2); the cleaning device comprises a cleaning tank (4), and an outlet of the cutting box (3) faces the cleaning tank (4); the conveying device comprises a conveying belt (41) arranged on the cleaning tank (4), the extrusion molding device comprises an extrusion molding machine (5) arranged below the end part of the conveying belt (41), and a cooling tank (6) is arranged at a discharge port of the extrusion molding machine (5); the feeding box (1) is internally provided with a feeding roller (12), a feeding plate (13) and a first rotating disc (15), the feeding plate (13) is positioned below the first rotating disc (15), the first rotating disc (15) is rotatably installed in the feeding box (1), the first rotating disc (15) is provided with a plurality of baffle plates (16), the feeding plate (13) is movably installed in the feeding box (1), the feeding box (1) is provided with a feeding pipe (11), and the end part of the feeding pipe (11) is communicated with the feeding port of the spiral conveyor (2); one side of the feeding box (1) is provided with a discharge hole communicated with the feeding pipe (11), the feeding rollers (12) are provided with two positions and are both rotatably arranged at the discharge hole, the two feeding rollers (12) are arranged in parallel, and the feeding box (1) is provided with a driving motor for driving the feeding rollers (12) to rotate; a first driving piece for driving the feeding plate (13) to move horizontally is arranged on the feeding box (1), and a second driving piece for driving the rotating disc (15) to rotate is arranged on the feeding box (1); the first driving piece comprises an electric push rod (14) arranged on the outer wall of the feeding box (1), the electric push rod (14) is horizontally arranged, the end part of a movable rod of the electric push rod (14) is connected with the feeding plate (13), and a raised line is arranged on one side, close to the feeding roller (12), of the feeding plate (13); the driving piece II comprises an installation frame (7) arranged on the feeding box (1) and a rotating disc II (8) arranged on the installation frame (7), the axis of the rotating disc II (8) is horizontally arranged, a plurality of driving blocks (81) are arranged on the rotating disc II (8), one end of the rotating disc I (15) extends to the outside of the feeding box (1), a driving rod (17) matched with the driving blocks (81) is arranged on the rotating disc I (15), and the driving blocks (81) are abutted to the driving rod (17); a sub-driving piece for driving the second rotating disc (8) to rotate is arranged outside the feeding box (1); a through hole is formed in the middle of the second rotating disc (8), and the sub driving piece comprises a piston rod (9) movably arranged in the through hole; a horizontal driving pipe I (73) is arranged outside the feeding box (1), a magnet I (18) is arranged on one side of the feeding plate (13), a horizontal sliding block (74) is arranged outside the feeding box (1), the sliding block (74) is slidably arranged in the driving pipe I (73) and is connected with a piston I, and the piston I is movably arranged in the driving pipe I (73); a second magnet (75) is arranged on one side, close to the first magnet (18), of the sliding block (74), the magnetism of the side, close to the second magnet (75), of the first magnet (18) is opposite to that of the side, close to the second magnet (75), of the sliding block, the feeding box (1) is made of aluminum alloy, and the sliding block (74) can be driven by the feeding plate (13) to move horizontally; a second horizontal driving pipe (71) is arranged on the mounting rack (7), and a connecting pipe (72) is connected between the first driving pipe (73) and the second driving pipe (71) and communicated with each other through the connecting pipe (72); one end of the piston rod (9) is movably arranged in the second driving pipe (71) and is connected with a second piston (76), and the second piston (76) is connected with the driving pipe in a sliding manner; a curved guide groove (91) is formed outside the piston rod (9), the curved direction of the guide groove (91) is along the circumferential direction and is curved towards the end part of the piston rod (9), and a guide block (84) matched with the guide groove (91) is arranged on the inner wall of the through hole on the inner side of the second rotating disc (8).
2. The production line of claim 1, wherein the production line comprises: the periphery of the second rotating disk (8) is provided with a movable groove (82), the driving block (81) is movably installed in the movable groove (82), a return spring (83) is arranged in the movable groove (82), two ends of the return spring (83) are respectively connected with the groove bottom of the movable groove (82) and the end portion of the driving block (81), one end of the driving block (81) extends to the outer portion of the movable groove (82) and is formed with an inclined plane, and the inclined direction of the inclined plane is gradually far away from the return spring (83) and inclines along the same side of the circumferential direction of the second rotating disk (8).
3. The production line of claim 1, wherein the production line comprises: a horizontal stirring rod is rotatably arranged in the cleaning tank (4), and blades are arranged at the edge of the stirring rod; a first return pipe (42) and a second return pipe (43) are arranged between the cleaning tank (4) and the cooling tank (6), one end of the first return pipe (42) is communicated with the bottom of the cleaning tank (4), the other end of the first return pipe is communicated with the top of the return tank, one end of the second return pipe (43) is communicated with the bottom of the cleaning tank (4), and the other end of the second return pipe is communicated with the top of the return tank.
4. The production line for pelletizing HDPE plastic according to claim 3, wherein: the inner side wall of the cleaning tank (4) is provided with a protective cover (44), filter screens (45) are arranged on the periphery of the bottom of the protective cover (44), and the two sides of the filter screens (45) in the vertical direction are respectively connected with the bottom of the protective cover (44) and the inner wall of the bottom of the cleaning tank (4).
5. A method of operating a production line for pelletizing HDPE plastic according to any one of claims 1 to 4, comprising the steps of:
s1, feeding the plastic to be processed into a feeding box (1), sequentially feeding the plastic between a feeding plate (13) and a feeding roller (12) through the rotation of a first rotating disc (15) in the feeding box (1), feeding the plastic between the feeding rollers (12) through the pushing of the feeding plate (13) in the feeding box (1), extruding the plastic into a feeding pipe (11) through the feeding roller (12), and finally feeding the plastic into a spiral conveyor (2);
s2, the cut plastic blocks enter a cleaning tank (4) for cleaning, and effective cleaning is carried out in the advancing process in the cleaning tank (4);
s3, after being cleaned, the mixture is sent into an extruding machine (5) through a conveying belt (41) for extrusion forming and is sent into a cooling tank (6) through the discharging end of the extruding machine (5);
and S4, cooling the molded plastic particles through cooling water contained in the cooling tank (6) to obtain a finished product falling into the cooling tank (6).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0692356A2 (en) * | 1994-07-12 | 1996-01-17 | Jack Lazareck | Method for preparing automobile shredder residue - synthetic plastic material composite |
| JP2015074143A (en) * | 2013-10-08 | 2015-04-20 | 株式会社神戸製鋼所 | Pelletizer |
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| CN206264208U (en) * | 2016-12-22 | 2017-06-20 | 杭敏琪 | A kind of technics of reclaim of plastic waste reproduces pipeline system |
| KR101981193B1 (en) * | 2017-10-19 | 2019-05-22 | 주식회사 엔에스텍 | Waste carpet reproduction device |
| CN110731177A (en) * | 2018-07-20 | 2020-01-31 | 黄絜青 | forage grass bander for high-efficiency automatic feeding of livestock |
| CN110065179A (en) * | 2019-04-24 | 2019-07-30 | 界首市锦丰塑业有限公司 | A kind of regeneration PC plastic alloy modification regenerative system and method |
| CN110371386B (en) * | 2019-08-09 | 2020-06-05 | 江慧如 | Adhesive tape quantifying device for express packaging box based on one-way ratchet principle |
| CN112091170A (en) * | 2020-09-17 | 2020-12-18 | 十堰市宏昌达工贸股份有限公司 | Sand casting mold for automobile brake drum |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0692356A2 (en) * | 1994-07-12 | 1996-01-17 | Jack Lazareck | Method for preparing automobile shredder residue - synthetic plastic material composite |
| JP2015074143A (en) * | 2013-10-08 | 2015-04-20 | 株式会社神戸製鋼所 | Pelletizer |
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Effective date of registration: 20230303 Address after: 543000 Room 102, No.8, Guangyuan Avenue, Wuzhou imported renewable resources processing park, Longwei District, Wuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Wuzhou Guolong Plastic Chemical Co.,Ltd. Address before: 543000 No.23 Guangyuan Avenue, Wuzhou imported renewable resources processing park, Longwei District, Wuzhou City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Wuzhou Guolong renewable resources development Co.,Ltd. |