CN214027113U - A double screw extruder for masterbatch production - Google Patents
A double screw extruder for masterbatch production Download PDFInfo
- Publication number
- CN214027113U CN214027113U CN202022866614.1U CN202022866614U CN214027113U CN 214027113 U CN214027113 U CN 214027113U CN 202022866614 U CN202022866614 U CN 202022866614U CN 214027113 U CN214027113 U CN 214027113U
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- Prior art keywords
- pipe
- feeding bin
- rotating shaft
- dust
- screw extruder
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- Expired - Fee Related
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 68
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 239000011229 interlayer Substances 0.000 claims abstract description 9
- 238000005485 electric heating Methods 0.000 claims description 7
- 239000004595 color masterbatch Substances 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 13
- 238000011084 recovery Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a double screw extruder for masterbatch production, which belongs to the technical field of masterbatch production and comprises a feeding bin, a crushing roller, an extruding mechanism, an inner barrel, a hollow interlayer, a dust absorption fan and a bag-type dust remover, wherein a feeding opening is arranged above the feeding bin, and the extruding mechanism is arranged below the feeding opening; the extruding mechanism is respectively provided with an outer barrel and an inner barrel, a hollow interlayer is formed between the outer barrel and the inner barrel, the left side of the extruding mechanism is provided with a third motor, and the left side of the air outlet pipe is connected with a spiral heat exchange pipe; the dust collection device is characterized in that a dust collection cover is arranged above the right side of the feeding bin, a dust collection pipe is arranged on the right side of the dust collection cover, a dust collection fan is arranged on the dust collection pipe, and a bag-type dust collector is arranged on the right side of the feeding bin. The utility model discloses a cooperation between second motor, second pivot, fixed cover and the dwang that sets up is used, can prevent that the feed inlet from blockking up through the rotation that the dwang does not stop when reinforced, can guarantee the continuity of extruding.
Description
Technical Field
The utility model belongs to the technical field of masterbatch production, specifically a double screw extruder for masterbatch production.
Background
The color master batch is a novel developed new coloring product of plastics and fibers, mainly comprises three parts of a coloring agent, a carrier and a dispersing agent, has good matching property, and is mainly prepared by mixing resin and pigment. The masterbatch need carry out the extrusion molding through the extruder in process of production, twin-screw extruder is the extrusion molding equipment that arrives commonly used in the masterbatch production process, but the twin-screw extruder who is used for masterbatch production that has now is in the use, often can be when reinforced, the material blocks up the feed inlet, need the manual work to clear up, lead to extruding the discontinuity, the work efficiency has been reduced, simultaneously current twin-screw extruder heats inhomogeneous when producing the masterbatch, and it is not high-efficient, most heat energy scatters and disappears, it is great to consume energy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double screw extruder for masterbatch production to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-screw extruder for producing color master batches comprises a feeding bin, a crushing roller, an extruding mechanism, an inner barrel, a hollow interlayer, a dust absorption fan and a bag-type dust remover, wherein a feeding port is arranged above the feeding bin, two first rotating shafts are symmetrically arranged in the feeding bin left and right, a feeding port is arranged below the feeding bin, the extruding mechanism is arranged below the feeding port, a second rotating shaft is arranged in the feeding port, a second motor is arranged on the right side of the second rotating shaft, a plurality of fixing sleeves are uniformly arranged on the second rotating shaft, and a plurality of rotating rods are uniformly arranged on the fixing sleeves; extruding means is provided with urceolus and inner tube respectively, forms the cavity intermediate layer between urceolus and the inner tube, and the third motor is installed in extruding means's left side, and the third pivot is installed on the right side of third motor, and the right side of inner tube top is provided with the outlet duct, and the left side of outlet duct is connected with spiral heat exchange tube.
As a further aspect of the present invention: a first motor is installed at the rear side of the first rotating shaft, a crushing roller is installed on the first rotating shaft, and crushing teeth are arranged on the outer side of the crushing roller.
As a further aspect of the present invention: and an electric heating rod is installed in the third rotating shaft, and a spiral conveying blade is installed on the third rotating shaft.
As a further aspect of the present invention: the utility model discloses a feeding bin, including feeding bin, dust collection cover, dust absorption fan, sack cleaner, dust absorption pipe, blast pipe and blast pipe, the dust absorption cover is installed to the right side top in feeding bin, and the dust absorption pipe is installed on the right side of dust absorption cover, installs the dust absorption fan on the dust absorption pipe, and the sack cleaner is installed on the right side in feeding bin, the right side below of dust absorption pipe is connected to the left side below of sack cleaner, and the right side top of sack cleaner is provided with the blast pipe.
As a further aspect of the present invention: and a recovery pipe is arranged below the bag-type dust collector, and the lower part of the recovery pipe is connected into the inner cylinder.
Compared with the prior art, the beneficial effects of the utility model are that: through the matched use of the second motor, the second rotating shaft, the fixed sleeve and the rotating rod, the feed inlet can be prevented from being blocked through the continuous rotation of the rotating rod during feeding, and the extrusion continuity can be ensured; through the matched use among the inner cylinder, the outer cylinder, the hollow interlayer and the spiral heat exchange tube, the waste heat of waste gas can be recycled, the inner cylinder has a heat preservation effect, the energy is saved, the environment is protected, and the material is heated inside and outside simultaneously with the electric heating rod, so that the heating is more uniform and efficient; through the cooperation use between dust cage, dust absorption pipe, dust absorption fan, sack cleaner and the recovery tube that sets up, can retrieve the dust material, improve the utilization ratio of raw materials, can prevent simultaneously that the dust from causing the pollution to the environment.
Drawings
Fig. 1 is a schematic structural diagram of a twin-screw extruder for masterbatch production.
Fig. 2 is a schematic diagram of a partial top-view cross-sectional structure of an extrusion mechanism in a twin-screw extruder for producing color master batches.
Fig. 3 is an enlarged schematic structural diagram of a double screw extruder A for producing color master batches.
Fig. 4 is a schematic side view of a rotating rod in a twin-screw extruder for masterbatch production.
In the figure: 1. a feeding bin; 2. a feed inlet; 3. a first rotating shaft; 4. a first motor; 5. a crushing roller; 6. crushing teeth; 7. a feed inlet; 8. an extrusion mechanism; 9. a second rotating shaft; 10. a second motor; 11. fixing a sleeve; 12. rotating the rod; 13. an outer cylinder; 14. an inner barrel; 15. a third motor; 16. a third rotating shaft; 17. an electric heating rod; 18. a screw conveying blade; 19. a hollow interlayer; 20. an air outlet pipe; 21. a spiral heat exchange tube; 22. a dust hood; 23. a dust collection pipe; 24. a dust collection fan; 25. a bag-type dust collector; 26. a recovery pipe; 27. and (4) exhausting the gas.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, a twin-screw extruder for masterbatch production comprises a feeding bin 1, a crushing roller 5, an extruding mechanism 8, an inner cylinder 14, a hollow interlayer 19, a dust suction fan 24 and a bag-type dust collector 25; the feeding device is characterized in that a feeding port 2 is installed above a feeding bin 1, two first rotating shafts 3 are symmetrically installed in the feeding bin 1 in a bilateral mode, a first motor 4 is installed on the rear side of each first rotating shaft 3, a crushing roller 5 is installed on each first rotating shaft 3, crushing teeth 6 are arranged on the outer side of each crushing roller 5, the first motors 4 on the left side and the right side rotate clockwise and anticlockwise respectively, large-particle materials can be crushed through the matched use of the arranged crushing rollers 5 and the crushing teeth 6, the extrusion effect is better, a feeding port 7 is arranged below the feeding bin 1, an extruding mechanism 8 is installed below the feeding port 7, the extruding mechanism 8 is communicated with the feeding bin 1 through the feeding port 7, a second rotating shaft 9 is installed in the feeding port 7, a second motor 10 is installed on the right side of the second rotating shaft 9, a plurality of fixing sleeves 11 are evenly installed on the second rotating shaft 9, and a plurality of rotating rods 12 are evenly installed on the fixing sleeves 11, can drive second pivot 9 through second motor 10 and rotate, second pivot 9 can drive dwang 12 through fixed cover 11 and rotate, can prevent that the material from blockking up feed inlet 7.
The extruding mechanism 8 is respectively provided with an outer barrel 13 and an inner barrel 14, the diameter of the inner barrel 14 is smaller than that of the outer barrel 13, the inner barrel 14 is arranged in the outer barrel 13, a hollow interlayer 19 is formed between the outer barrel 13 and the inner barrel 14, a third motor 15 is arranged on the left side of the extruding mechanism 8, the number of the front and the back of the third motor 15 is two, a third rotating shaft 16 is arranged on the right side of the third motor 15, the third rotating shaft 16 is arranged in the inner barrel 14, an electric heating rod 17 is arranged in the third rotating shaft 16, a spiral conveying blade 18 is arranged on the third rotating shaft 16, an air outlet pipe 20 is arranged on the right side above the inner barrel 14, the left side of the air outlet pipe 20 is connected with a spiral heat exchange pipe 21, the spiral heat exchange pipe 21 is wound on the outer wall of the inner barrel 14, the waste heat generated by the arranged spiral heat exchange pipe 21 can be recycled, the inner barrel 14 is provided with a heat preservation effect, the energy is more energy-saving and environment-friendly, and the material can be simultaneously heated inside and outside with the electric heating rod 17, the heating is more uniform and efficient.
The dust collection device is characterized in that a dust collection cover 22 is arranged above the right side of the feeding bin 1, a dust collection pipe 23 is arranged on the right side of the dust collection cover 22, a dust collection fan 24 is arranged on the dust collection pipe 23, a bag-type dust collector 25 is arranged on the right side of the feeding bin 1, the model of the bag-type dust collector 25 is DMC24, the lower part of the right side of the dust collection pipe 23 is connected to the lower part of the left side of the bag-type dust collector 25, a recovery pipe 26 is arranged below the bag-type dust collector 25, the lower part of the recovery pipe 26 is connected into the inner barrel 14, an exhaust pipe 27 is arranged above the right side of the bag-type dust collector 25, through the matched use between the dust collection cover 22 and the dust collection fan 24, dust generated in the crushing process of the feeding bin 1 can be absorbed, the dust is conveyed into the bag-type dust collector 25, the dust collection material is recovered through the effect of the bag-type dust collector 25, the collected powder is conveyed into the extrusion mechanism 8 through the recovery pipe 26, and the environment can be prevented from being polluted by the dust, meanwhile, the utilization rate of raw materials can be improved.
The utility model discloses a theory of operation is: firstly, materials are added into a feeding bin 1 through a feeding port 2, a first rotating shaft 3 is driven to rotate through a first motor 4, a crushing roller 5 is driven to rotate by the first rotating shaft 3, a crushing tooth 6 is driven to rotate by the crushing roller 5, the crushing tooth 6 crushes large-particle materials, the second motor 10 drives the second rotating shaft 9 to rotate, the second rotating shaft 9 drives the fixing sleeve 11 to rotate, the fixing sleeve 11 drives the rotating rod 12 to rotate, the rotating rod 12 cleans the feed port 7 to prevent blockage, the third motor 15 drives the third rotating shaft 16 to rotate, the third rotating shaft 16 drives the spiral conveying blade 18 to rotate, the spiral conveying blade 18 conveys and extrudes materials from left to right, the materials in the inner cylinder 14 are heated through the electric heating rod 17, the generated gas is conveyed into the spiral heat exchange tube 21 through the gas outlet tube 20, and the residual heat of the gas in the spiral heat exchange tube 21 can insulate the heat of the inner cylinder 14; through the effect of dust absorption fan 24, carry the dust in the feeding storehouse 1 in the sack cleaner 25, retrieve the dust material through the sack cleaner 25 to carry the dust material in the inner tube 14 through the recovery tube 26.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A double-screw extruder for producing color master batches comprises a feeding bin (1), a crushing roller (5), an extruding mechanism (8), an inner barrel (14), a hollow interlayer (19), a dust absorption fan (24) and a bag-type dust remover (25), and is characterized in that a feeding port (2) is installed above the feeding bin (1), two first rotating shafts (3) are installed in the feeding bin (1) in a bilateral symmetry manner, a feeding port (7) is formed below the feeding bin (1), the extruding mechanism (8) is installed below the feeding port (7), a second rotating shaft (9) is installed in the feeding port (7), a second motor (10) is installed on the right side of the second rotating shaft (9), a plurality of fixing sleeves (11) are uniformly installed on the second rotating shaft (9), and a plurality of rotating rods (12) are uniformly installed on the fixing sleeves (11); the extruding mechanism (8) is provided with an outer barrel (13) and an inner barrel (14) respectively, a hollow interlayer (19) is formed between the outer barrel (13) and the inner barrel (14), a third motor (15) is installed on the left side of the extruding mechanism (8), a third rotating shaft (16) is installed on the right side of the third motor (15), an air outlet pipe (20) is arranged on the right side above the inner barrel (14), and a spiral heat exchange pipe (21) is connected to the left side of the air outlet pipe (20).
2. The twin-screw extruder for masterbatch production according to claim 1, wherein the first motor (4) is installed on the back side of the first rotating shaft (3), the crushing roller (5) is installed on the first rotating shaft (3), and the crushing teeth (6) are arranged on the outer side of the crushing roller (5).
3. The twin-screw extruder for masterbatch production according to claim 1, wherein the third shaft (16) is provided with an electric heating rod (17), and the third shaft (16) is provided with a screw conveying blade (18).
4. The twin-screw extruder for producing color masterbatch according to claim 1, characterized in that a dust hood (22) is installed above the right side of the feeding bin (1), a dust suction pipe (23) is installed on the right side of the dust hood (22), a dust suction fan (24) is installed on the dust suction pipe (23), a bag-type dust collector (25) is installed on the right side of the feeding bin (1), the right side of the dust suction pipe (23) is connected to the left side of the bag-type dust collector (25) below, and an exhaust pipe (27) is arranged above the right side of the bag-type dust collector (25).
5. The twin-screw extruder for masterbatch production according to claim 4, wherein a recycling pipe (26) is installed below the bag-type dust collector (25), and the lower part of the recycling pipe (26) is connected into the inner barrel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866614.1U CN214027113U (en) | 2020-12-04 | 2020-12-04 | A double screw extruder for masterbatch production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866614.1U CN214027113U (en) | 2020-12-04 | 2020-12-04 | A double screw extruder for masterbatch production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214027113U true CN214027113U (en) | 2021-08-24 |
Family
ID=77383204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866614.1U Expired - Fee Related CN214027113U (en) | 2020-12-04 | 2020-12-04 | A double screw extruder for masterbatch production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214027113U (en) |
-
2020
- 2020-12-04 CN CN202022866614.1U patent/CN214027113U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |