CN116442420A - Plastic production process - Google Patents
Plastic production process Download PDFInfo
- Publication number
- CN116442420A CN116442420A CN202310317273.8A CN202310317273A CN116442420A CN 116442420 A CN116442420 A CN 116442420A CN 202310317273 A CN202310317273 A CN 202310317273A CN 116442420 A CN116442420 A CN 116442420A
- Authority
- CN
- China
- Prior art keywords
- plastic
- fixedly connected
- extrusion
- production process
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 94
- 229920003023 plastic Polymers 0.000 title claims abstract description 94
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 54
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
- B29B13/045—Conditioning or physical treatment of the material to be shaped by cooling of powders or pellets
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- 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
- B29B9/16—Auxiliary treatment of granules
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of plastics, and particularly relates to a plastic production process, which comprises the following steps: step one: adding plastic raw materials to be treated into a granulating device; step two: melting and extruding the plastic raw material; step three: granulating the plastic raw material to obtain plastic particles; step four: carrying out circulating cooling treatment on the plastic particles by using cold water; step five: filtering and collecting the collected plastic particles; step six: carrying out flexible rolling treatment on the plastic particles; the process can discharge plastic particles by utilizing water flow, and avoid adhesion of the plastic particles.
Description
Technical Field
The invention belongs to the field of plastics, and particularly relates to a plastic production process.
Background
The plastic is a plastic material formed by processing high molecular weight synthetic resin as main component, adding proper additives such as plasticizer, stabilizer, antioxidant, flame retardant, colorant, etc., or a rigid material formed by curing and crosslinking, and before the modified plastic is prepared into a product, the plastic is usually required to be made into plastic particles so as to be processed into the plastic product in a later period, but the prior art still has the defects, such as blocking phenomenon of the processed plastic particles due to uneven cooling.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a plastic production process, which can discharge plastic particles by using water flow, and avoid adhesion of the plastic particles.
The invention provides a plastic production process, which comprises the following steps:
step one: adding plastic raw materials to be treated into a granulating device;
step two: melting and extruding the plastic raw material;
step three: granulating the plastic raw material to obtain plastic particles;
step four: carrying out circulating cooling treatment on the plastic particles by using cold water;
step five: filtering and collecting the collected plastic particles;
step six: and carrying out flexible rolling treatment on the plastic particles.
The granulating device comprises a cooling cylinder, wherein an extrusion ring is fixedly connected in the cooling cylinder, a plurality of discharge holes are formed in the extrusion ring, a rotating shaft is rotationally connected in the cooling cylinder, a plurality of scrapers are fixedly connected in the rotating shaft, two impellers are fixedly connected in the rotating shaft and respectively positioned at the front end and the rear end of the extrusion ring, and a feeding pipe is fixedly connected at the upper end of the extrusion ring.
The cooling cylinder is fixedly connected with a first motor, and the rotating shaft is fixedly connected to an output shaft of the first motor.
The cooling cylinder lower extreme fixedly connected with cold water tank, fixedly connected with filter bowl on the cold water tank, fixedly connected with filter plate in the filter bowl, cold water tank and cooling cylinder intercommunication are installed the water pump on the cold water tank.
The upper end of the cooling cylinder is fixedly connected with an extrusion cylinder, and the extrusion cylinder is rotationally connected with an extrusion screw rod extrusion cylinder and a feeding pipe.
And the extruding cylinder is rotationally connected with an eccentric block, and the eccentric block is positioned in the filter bucket.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a flow chart of a plastic production process;
FIGS. 2 and 3 are schematic views showing the overall structure of the granulating apparatus;
FIG. 4 is a schematic structural view of an eccentric mass;
FIG. 5 is a schematic view of the structure of an extrusion barrel;
FIG. 6 is a schematic view of the structure of a filter basket;
FIG. 7 is a structural cross-sectional view of the cold water tank;
FIG. 8 is a schematic view of a cooling cartridge;
FIG. 9 is a structural cross-sectional view of a cooling cartridge;
fig. 10 is a schematic structural view of an extrusion ring.
Detailed Description
The present invention will be described in detail with reference to the drawings in the embodiments of the present invention.
A plastic production process, comprising the steps of:
step one: adding plastic raw materials to be treated into a granulating device;
step two: melting and extruding the plastic raw material;
step three: granulating the plastic raw material to obtain plastic particles;
step four: carrying out circulating cooling treatment on the plastic particles by using cold water;
step five: filtering and collecting the collected plastic particles;
step six: and carrying out flexible rolling treatment on the plastic particles.
Referring to fig. 8-10, there are shown schematic diagrams of embodiments capable of discharging plastic particles using a water flow, avoiding sticking of plastic particles according to the present invention, further,
the granulating device comprises a cooling cylinder 101, an extrusion ring 104 is fixedly connected in the cooling cylinder 101 through bolts, a plurality of discharge holes 105 are formed in the extrusion ring 104, a rotating shaft 203 is rotatably connected in the cooling cylinder 101 through bearings, a plurality of scrapers 201 are fixedly connected to the rotating shaft 203 through bolts, two impellers 202 are fixedly connected to the rotating shaft 203 through bolts, the two impellers 202 are respectively located at the front end and the rear end of the extrusion ring 104, and a feeding pipe 103 is fixedly connected to the upper end of the extrusion ring 104 through welding.
Firstly, continuously introducing cold water into the cooling cylinder 101, the cold water can be discharged through a port of the cooling cylinder 101, so that water flows through the middle of the extrusion ring 104, then plastic raw materials are heated and melted, molten plastic enters the extrusion ring 104 through the feed pipe 103, finally the molten plastic is extruded through a plurality of discharge holes 105 in the extrusion ring 104, the cold water plays a role in cooling the extrusion ring 104, when the plastic is extruded in a strip shape, the plastic can be hardened by contacting with the cold water, so that the subsequent granulating treatment is facilitated, the continuous cold water can enable the water to have fluidity, so that the cooling is facilitated, the plurality of discharge holes 105 are dispersed more due to the arrangement of the extrusion ring 104, and compared with a conventional extruder, the extruded plastic strips can be prevented from being adhered together.
At this moment, the staff controls the rotation of the rotating shaft 203, the rotation of the rotating shaft 203 drives the plurality of scrapers 201 to rotate, the rotation of the plurality of scrapers 201 can scrape off the plastic extruded from the plurality of discharge holes 105, thereby realizing the granulating function, when the plastic particles fall, the plastic particles can drift away along the water flow, further avoiding the phenomenon of adhesion of the plastic particles, meanwhile, the cold water can better cool the plastic particles, the shaping of the particles is accelerated, the rotation of the plurality of scrapers 201 carries out granulating, the rotating shaft 203 also drives the two impellers 202 to rotate, the two impellers 202 play the role of promoting the flow of water, the rotation of the two impellers 202 can further accelerate the speed of the water flow passing through the extrusion ring 104, thereby the plastic particles can be directly taken away by the water flow when the plastic particles fall, and the phenomenon of adhesion of the aggregation is avoided.
Referring to fig. 9, there is shown a schematic diagram of an embodiment capable of driving rotation of the shaft 203 in accordance with the present invention, further,
the cooling cylinder 101 is fixedly connected with the first motor 102 through a bolt, and the rotating shaft 203 is fixedly connected to an output shaft of the first motor 102 through a bolt.
The first motor 102 is started, and the first motor 102 drives the rotating shaft 203 to rotate, so that the plurality of scrapers 201 and the two impellers 202 can be driven to synchronously rotate.
Referring to fig. 6-7, there are shown schematic diagrams of embodiments of the cooling-by-circulation function according to the present invention, further,
the lower end of the cooling cylinder 101 is fixedly connected with a cold water tank 303 through bolts, the cold water tank 303 is fixedly connected with a filter bucket 301 through bolts, a filter plate 302 is fixedly connected in the filter bucket 301 through bolts, the cold water tank 303 is communicated with the cooling cylinder 101, and a water pump is arranged on the cold water tank 303.
The cold water tank 303 is used for storing cold water, when granulation is needed, the cold water in the cold water tank 303 can be discharged into the cooling cylinder 101 through the water pump, the cold water discharged from the cooling cylinder 101 and plastic particles fall into the filter bucket 301, the filter plate 302 in the filter bucket 301 plays a role in filtering, the plastic particles fall onto the filter plate 302 to play a role in collecting, and the cold water is discharged into the cold water tank 303 again to form circulating cold water, so that the circulating cooling function is realized.
Referring to fig. 5, there is shown a schematic diagram of an embodiment according to the present invention capable of melt extruding a plastic feedstock, further,
the upper end of the cooling cylinder 101 is fixedly connected with an extrusion cylinder 401 through a bolt, and an extrusion screw 402 is rotationally connected in the extrusion cylinder 401 through a bearing, and the extrusion cylinder 401 is fixedly connected with the feeding pipe 103 through welding.
The extrusion cylinder 401 is used for storing plastic raw materials, the extrusion cylinder 401 is electrified and heated, then the plastic raw materials to be treated are added into the extrusion cylinder 401, then the extrusion screw 402 is controlled to rotate, the extrusion screw 402 conveys the plastic raw materials downwards, the plastic raw materials are gradually melted in the downward conveying process under the heating effect of the extrusion cylinder 401, and finally the plastic raw materials are extruded into the extrusion ring 104 through the feed pipe 103.
Referring to fig. 2-6, there are shown schematic views of embodiments of the present invention capable of avoiding the phenomenon of blocking and agglomeration after accumulation of plastic particles, further,
the eccentric block 403 is rotatably connected to the extruding cylinder 401 through a bearing, and the eccentric block 403 is positioned in the filter bucket 301.
After plastic particles are discharged into the filter bucket 301, a worker can rotate by controlling the eccentric block 403, so that the eccentric block 403 is matched with the inner wall of the filter bucket 301, the effect of rolling the plastic particles is achieved, and the phenomenon of adhesion and agglomeration after plastic particles are accumulated is avoided.
Referring to fig. 4, there is shown a schematic diagram of an embodiment capable of achieving the effect of synchronous control of the extrusion screw 402 and eccentric mass 403 in accordance with the present invention, further,
the extrusion screw 402 and the eccentric block 403 are fixedly connected with belt wheels 404 through bolts, and the two belt wheels 404 are connected through a synchronous belt.
The extrusion screw 402 is rotated and simultaneously matched with the synchronous belt through the two belt wheels 404, and the eccentric block 403 is driven to rotate, so that the synchronous control effect of the extrusion screw 402 and the eccentric block 403 is realized, and the produced plastic particles can be subjected to anti-caking treatment while the plastic raw materials are conveyed downwards, so that the production efficiency of plastics can be improved.
Referring to fig. 4, there is shown a schematic diagram of an embodiment of a rotatable extrusion screw 402 according to the present invention, further,
the upper end of the extrusion cylinder 401 is fixedly connected with a second motor 405 through a bolt, and the extrusion screw 402 is fixedly connected to an output shaft of the second motor 405 through a coupler.
The second motor 405 is started, and the second motor 405 drives the extrusion screw 402 to rotate, so that the function of conveying plastic raw materials downwards is realized.
Referring to fig. 4, there is shown a schematic diagram of an embodiment capable of performing the effect of flexible crushing of plastic particles according to the present invention, further,
the eccentric block 403 is made of rubber, and the rubber can play a role in flexibly rolling plastic particles, so that the plastic particles are prevented from being crushed due to rolling.
Referring to fig. 4, there is shown a schematic diagram of an embodiment for adding plastic feedstock into an extrusion barrel 401 in accordance with the present invention, further,
the extrusion cylinder 401 is provided with a feed inlet for adding plastic raw materials into the extrusion cylinder 401.
Claims (10)
1. A plastic production process, which is characterized by comprising the following steps:
step one: adding plastic raw materials to be treated into a granulating device;
step two: melting and extruding the plastic raw material;
step three: granulating the plastic raw material to obtain plastic particles;
step four: carrying out circulating cooling treatment on the plastic particles by using cold water;
step five: filtering and collecting the collected plastic particles;
step six: and carrying out flexible rolling treatment on the plastic particles.
2. A plastic production process according to claim 1, characterized in that: the granulating device comprises a cooling cylinder (101), wherein an extrusion ring (104) is fixedly connected in the cooling cylinder (101), a plurality of discharging holes (105) are formed in the extrusion ring (104), a rotating shaft (203) is rotationally connected to the cooling cylinder (101), a plurality of scrapers (201) are fixedly connected to the rotating shaft (203), two impellers (202) are fixedly connected to the rotating shaft (203), the two impellers (202) are respectively located at the front end and the rear end of the extrusion ring (104), and a feeding pipe (103) is fixedly connected to the upper end of the extrusion ring (104).
3. A plastic production process according to claim 2, characterized in that: the cooling cylinder (101) is fixedly connected with a first motor (102), and the rotating shaft (203) is fixedly connected to an output shaft of the first motor (102).
4. A plastic production process according to claim 3, characterized in that: the cooling cylinder (101) lower extreme fixedly connected with cold water tank (303), fixedly connected with filter bowl (301) on cold water tank (303), fixedly connected with filter plate (302) in filter bowl (301), cold water tank (303) and cooling cylinder (101) intercommunication, install the water pump on cold water tank (303).
5. A plastic production process according to claim 4, wherein: the upper end of the cooling cylinder (101) is fixedly connected with an extrusion cylinder (401), the extrusion cylinder (401) is rotationally connected with an extrusion screw (402), and the extrusion cylinder (401) is fixedly connected with a feeding pipe (103).
6. A plastic production process according to claim 5, wherein: an eccentric block (403) is rotatably connected to the extruding cylinder (401), and the eccentric block (403) is positioned in the filter bucket (301).
7. A plastic production process according to claim 6, wherein: the extrusion screw (402) and the eccentric block (403) are fixedly connected with belt wheels (404), and the two belt wheels (404) are connected through a synchronous belt.
8. A plastic production process according to claim 7, wherein: the upper end of the extrusion cylinder (401) is fixedly connected with a second motor (405), and the extrusion screw (402) is fixedly connected to an output shaft of the second motor (405).
9. A plastic production process according to claim 6, wherein: the eccentric block (403) is made of rubber.
10. A plastic production process according to claim 5, wherein: the extrusion cylinder (401) is provided with a feed inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310317273.8A CN116442420A (en) | 2023-03-29 | 2023-03-29 | Plastic production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310317273.8A CN116442420A (en) | 2023-03-29 | 2023-03-29 | Plastic production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116442420A true CN116442420A (en) | 2023-07-18 |
Family
ID=87128108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310317273.8A Pending CN116442420A (en) | 2023-03-29 | 2023-03-29 | Plastic production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116442420A (en) |
-
2023
- 2023-03-29 CN CN202310317273.8A patent/CN116442420A/en active Pending
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