CN219968765U - Feeding protection device of double-screw extruder - Google Patents
Feeding protection device of double-screw extruder Download PDFInfo
- Publication number
- CN219968765U CN219968765U CN202320433401.0U CN202320433401U CN219968765U CN 219968765 U CN219968765 U CN 219968765U CN 202320433401 U CN202320433401 U CN 202320433401U CN 219968765 U CN219968765 U CN 219968765U
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- China
- Prior art keywords
- fixedly connected
- screw extruder
- feeding
- protection device
- case
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- 238000012216 screening Methods 0.000 claims abstract description 27
- 229920003023 plastic Polymers 0.000 abstract description 18
- 239000002245 particle Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 description 7
- 229920000426 Microplastic Polymers 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a feeding protection device of a double-screw extruder, which comprises: a body; the bottom of the feeding box is communicated with the top of the machine body; the screening assembly, one side fixed connection that screening assembly is relative is in the both sides of throwing the bin, screening assembly includes two places the case, two place one side fixed connection that the case is relative in the both sides of throwing the bin, two place the equal fixedly connected with motor of diapire of incasement wall. The utility model provides a feeding protection device of a double-screw extruder, which is characterized in that plastic particles are put into the top of a screening plate through a protection frame, two cams are driven to rotate through the rotation of two motors, the screening plate slides up and down on the inner side of a feeding box through the rotation of the cams, and further the plastic particles are screened.
Description
Technical Field
The utility model relates to the field of screw extruders, in particular to a feeding protection device of a double-screw extruder.
Background
Screw extruders, which are classified into cold feed screw extruders and hot feed screw extruders, are used for extruding rubber semi-products and products. The cold feed screw extruder can feed sizing materials which are not subjected to heat refining, and the sizing materials are heated and plasticized through the actions of screw extrusion, shearing, stirring and the like and are continuously extruded from a die.
The screw is the most important component of the extruder, and can directly influence the application range and the production efficiency of the extruder. The plastic can move in the charging barrel, is pressurized and acquires partial heat from friction through the extrusion action of the double screw rods on the plastic, the plastic is mixed and plasticized in the moving process of the charging barrel, and the viscous melt is molded in a required shape when being extruded to flow through the die.
In the related art, a twin-screw extruder is mainly used for producing plastic products, plastic particles are put into a processing box through a feeding hole, the plastic particles are heated and plasticized by utilizing the rotation of the twin screw, and then different plastic products are formed through extrusion of different mouth shapes. However, the existing feeding device of part of the small double-screw extruder is mostly inconvenient to screen plastic particles when in use, the plastic particles are mostly directly put into a processing box through a feeding box, so that part of larger particle clusters and impurities enter the working box as well, the screw is further worn, and the produced plastic products have quality differences.
Therefore, it is necessary to provide a feeding protection device for a twin-screw extruder to solve the above technical problems.
Disclosure of Invention
The utility model provides a feeding protection device of a double-screw extruder, which solves the problem that in the related art, the existing part of feeding device of a small-sized double-screw extruder is mostly inconvenient to screen plastic particles during use.
In order to solve the technical problems, the utility model provides a feeding protection device of a double-screw extruder, comprising: a body;
the bottom of the feeding box is communicated with the top of the machine body;
screening assembly, screening assembly is relative one side fixed connection in the both sides of throwing the bin, screening assembly includes two places the case, two place the both sides of one side fixed connection in throwing the bin that the case is relative, two place the equal fixedly connected with motor of diapire of incasement wall, two the output shaft of motor is two respectively in proper order place one side that the incasement wall is separated and throw the both sides of bin and extend to the inside of throwing the bin, two the equal fixedly connected with cam of output shaft of motor.
Preferably, the bottom of the inner side of the feeding box is fixedly connected with two springs, the tops of the two springs are fixedly connected with a screening plate, and the inner side of the feeding box is provided with two mounting grooves.
Preferably, a discharging groove is formed in the inner side of the feeding box, a sliding plate is connected to the inner side of the feeding box in a sliding mode, and a pull ring is fixedly connected to the right side of the sliding plate.
Preferably, the top fixedly connected with first flange of batch charging box, the top of first flange is provided with the second flange, the top fixedly connected with protection frame of second flange.
Preferably, a case is arranged at the bottom of the machine body, and the front of the case is rotationally connected with a case door.
Preferably, the bottom of the case is fixedly connected with four supporting legs, and the bottom of the case is fixedly connected with four universal wheels.
Compared with the related art, the feeding protection device of the double-screw extruder provided by the utility model has the following beneficial effects:
the utility model provides a feeding protection device of a double-screw extruder, which is characterized in that plastic particles are put into the top of a screening plate through a protection frame, two cams are driven to rotate through the rotation of two motors, the screening plate slides up and down on the inner side of a feeding box through the rotation of the cams, and further the plastic particles are screened.
Drawings
FIG. 1 is a schematic view of a feeding protection device of a twin screw extruder according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of a cross-sectional view of the batch tank shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of the area A shown in FIG. 2;
fig. 4 is a schematic view of the cam shown in fig. 3.
Reference numerals in the drawings: 1. a body; 2. a charging box; 3. a screening component; 31. placing a box; 32. a motor; 33. a cam; 34. a spring; 35. a screening plate; 36. a mounting groove; 4. a discharge chute; 5. a sliding plate; 6. a pull ring; 7. a first flange; 8. a second flange; 9. a protective frame; 10. a chassis; 11. a door; 12. support legs; 13. and a universal wheel.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural diagram of a feeding protection device of a twin-screw extruder according to a preferred embodiment of the present utility model; FIG. 2 is a schematic view of a cross-sectional view of the batch tank shown in FIG. 1; FIG. 3 is an enlarged schematic view of the structure of the area A shown in FIG. 2;
fig. 4 is a schematic structural view of the cam shown in fig. 3, a feeding protection device of a twin-screw extruder, comprising: a machine body 1;
the bottom of the feeding box 2 is communicated with the top of the machine body 1;
screening component 3, screening component 3 relative one side fixed connection is in the both sides of throwing material case 2, screening component 3 includes two places case 31, two places the both sides of case 31 relative one side fixed connection in throwing material case 2, two equal fixedly connected with motor 32 of diapire of placing the case 31 inner wall, two motor 32's output shaft respectively two in proper order place case 31 inner wall one side that separate and throw material case 2's both sides and extend to throw material case 2's inside, two motor 32's the equal fixedly connected with cam 33 of output shaft, motor 32 is three-phase asynchronous motor, and external there is the power.
The bottom of the inner side of the feeding box 2 is fixedly connected with two springs 34, the top of the two springs 34 is fixedly connected with a screening plate 35, two mounting grooves 36 are formed in the inner side of the feeding box 2, the mounting grooves 36 are used for mounting the two springs 34, and the screening plate 35 can be provided for sliding up and down.
The discharging groove 4 has been seted up to the inboard of throwing case 2, and the inboard sliding connection of throwing case 2 has slide plate 5, and slide plate 5's right side fixedly connected with pull ring 6, the inboard of throwing case 2 have been seted up and slide plate 5 cooperation use's groove, can provide slide plate 5 and slide from top to bottom.
The top fixedly connected with first flange 7 of throwing case 2, the top of first flange 7 is provided with second flange 8, and the top fixedly connected with protection frame 9 of second flange 8, first flange 7 and second flange 8 pass through the bolt and fix.
The bottom of the machine body 1 is provided with a machine box 10, and the front surface of the machine box 10 is rotatably connected with a box door 11.
The bottom of the case 10 is fixedly connected with four supporting legs 12, and the bottom of the case 10 is fixedly connected with four universal wheels 13.
The utility model provides a feeding protection device of a double-screw extruder, which has the following working principle:
the first step: when the plastic particle screening device is used, plastic particles are put into the top of the screening plate 35 through the protection frame 9, the two motors 32 are turned on, the two cams 33 are driven to rotate through the rotation of the two motors 32, the screening plate 35 slides up and down on the inner side of the feeding box 2 through the rotation of the cams 33, and meanwhile, the two springs 34 are contracted and expanded, so that the plastic particles are screened;
and a second step of: pull ring 6 pulls right, drives slide plate 5 through the removal of pull ring 6 and moves right, and the removal of slide plate 5 then adjusts the opening size of blown down tank 4 to adjust plastic granules's unloading rate.
Compared with the related art, the feeding protection device of the double-screw extruder provided by the utility model has the following beneficial effects:
the plastic granules pass through the top that protection frame 9 drops into screening plate 35, rotate through two cams 33 of rotation drive of two motors 32, make screening plate 35 slide from top to bottom in the inboard of throwing material case 2 through the rotation of cams 33, and then screen plastic granules, simple structure is practical, very be convenient for screen plastic granules, avoid great granule group and impurity to get into in the organism 1 to cause the damage to the screw rod.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A feed protection device for a twin screw extruder, comprising: a machine body (1);
the bottom of the feeding box (2) is communicated with the top of the machine body (1);
screening subassembly (3), screening subassembly (3) relative one side fixed connection is in the both sides of throwing bin (2), screening subassembly (3) are including two placing case (31), two place the both sides of bin (31) relative one side fixed connection in throwing bin (2), two place the equal fixedly connected with motor (32) of diapire of bin (31) inner wall, two the output shaft of motor (32) is two respectively in proper order one side that place bin (31) inner wall and throw bin (2) both sides and extend to the inside of throwing bin (2), two the equal fixedly connected with cam (33) of output shaft of motor (32).
2. The feeding protection device of the double-screw extruder according to claim 1, wherein two springs (34) are fixedly connected to the bottom of the inner side of the feeding box (2), a screening plate (35) is fixedly connected to the tops of the two springs (34), and two mounting grooves (36) are formed in the inner side of the feeding box (2).
3. The feeding protection device of the double-screw extruder according to claim 1, wherein a discharge chute (4) is formed in the inner side of the feeding box (2), a sliding plate (5) is connected to the inner side of the feeding box (2) in a sliding manner, and a pull ring (6) is fixedly connected to the right side of the sliding plate (5).
4. The feeding protection device of the double-screw extruder according to claim 1, wherein a first flange (7) is fixedly connected to the top of the feeding box (2), a second flange (8) is arranged on the top of the first flange (7), and a protection frame (9) is fixedly connected to the top of the second flange (8).
5. The feeding protection device of the twin-screw extruder according to claim 1, wherein a case (10) is arranged at the bottom of the machine body (1), and a case door (11) is rotatably connected to the front surface of the case (10).
6. The feeding protection device of the twin-screw extruder according to claim 5, wherein the bottom of the machine case (10) is fixedly connected with four supporting legs (12), and the bottom of the machine case (10) is fixedly connected with four universal wheels (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433401.0U CN219968765U (en) | 2023-03-09 | 2023-03-09 | Feeding protection device of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433401.0U CN219968765U (en) | 2023-03-09 | 2023-03-09 | Feeding protection device of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219968765U true CN219968765U (en) | 2023-11-07 |
Family
ID=88586716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320433401.0U Active CN219968765U (en) | 2023-03-09 | 2023-03-09 | Feeding protection device of double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219968765U (en) |
-
2023
- 2023-03-09 CN CN202320433401.0U patent/CN219968765U/en active Active
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