CN220409580U - Improved spiral blanking seat - Google Patents
Improved spiral blanking seat Download PDFInfo
- Publication number
- CN220409580U CN220409580U CN202321338144.9U CN202321338144U CN220409580U CN 220409580 U CN220409580 U CN 220409580U CN 202321338144 U CN202321338144 U CN 202321338144U CN 220409580 U CN220409580 U CN 220409580U
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- China
- Prior art keywords
- pipe body
- improved
- spiral
- blanking seat
- inner pipe
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- 238000001816 cooling Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000003032 molecular docking Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an improved spiral blanking seat which comprises an outer pipe body and an inner pipe body, wherein the inner pipe body is arranged in the outer pipe body, a plurality of spiral feeding grooves are formed in the inner wall of the inner pipe body, the section of each feeding groove is arc-shaped, a feeding hole is formed in the outer pipe body, and a through hole corresponding to the feeding hole is formed in the inner pipe body. The inner wall of the inner pipe body is provided with the plurality of spiral feeding grooves, the cross section of each feeding groove is arc-shaped, and compared with the cross section of each spiral groove which is arc-shaped and is rectangular and trapezoid, the inner wall of each arc-shaped spiral groove is a smooth arc-shaped curved surface, so that friction force is effectively reduced, the device can reduce the torque of a screw under the same process condition, torque fluctuation is ensured to be smaller during high-speed production, the production stability is improved, and the torque fluctuation is smaller, so that extrusion quantity is stable.
Description
Technical Field
The utility model relates to the technical field of blanking seats, in particular to an improved spiral blanking seat.
Background
In order to improve the production efficiency and the extrusion stability of the plastic extruder, practical production inspection proves that the discharging seat with the spiral groove is greatly helpful for improving the output and the discharge stability of the extruder. The screw blanking seat commonly used at present is formed by two types of screw groove with rectangular and trapezoidal cross sections. Along with the improvement of production technology, the production speed and quality requirements on the pipe are higher and higher, and when the spiral groove section is produced at a high speed in a rectangular and trapezoid shape, corners and edges exist on the inner walls of the rectangular and trapezoid shape, so that extrusion friction force is large, torque is high and production instability is easy to occur. Therefore, we make improvements to this and propose an improved spiral blanking seat.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to an improved spiral blanking seat which comprises an outer pipe body and an inner pipe body, wherein the inner pipe body is arranged in the outer pipe body, a plurality of spiral feeding grooves are formed in the inner wall of the inner pipe body, the section of each feeding groove is arc-shaped, a feeding hole is formed in the outer pipe body, a through hole corresponding to the feeding hole is formed in the inner pipe body, the joint of the outer pipe body and the inner pipe body is in full-welded connection, a spiral cooling groove is formed in the inner wall of the outer pipe body, a cooling cavity coiled in the inner pipe body is formed in the cooling groove under the cooperation of the inner pipe body, and a water inlet and a water outlet which are communicated with the cooling groove are formed in the outer pipe body.
As a preferable technical scheme of the utility model, a plurality of first positioning screw holes are formed in one end of the outer pipe body far away from the feeding groove, and a plurality of second positioning screw holes are formed in one end of the inner pipe body far away from the feeding groove; and a third positioning screw hole is formed in one end of the outer pipe body, which is close to the feeding groove.
As a preferable embodiment of the present utility model, the end portion of the inner tube body is contracted in the outer tube body.
As a preferable technical scheme of the utility model, the inner parts of the water inlet and the water outlet are respectively provided with internal threads.
As a preferable technical scheme of the utility model, the end part of the inner pipe body is provided with a butt joint cavity which is in butt joint with the machine barrel.
As a preferable technical scheme of the utility model, the feeding end of the feeding chute is arranged in a penetrating way, and the discharging end of the feeding chute is a closed end.
The beneficial effects of the utility model are as follows:
1. according to the improved spiral blanking seat, the inner wall of the inner pipe body is provided with the plurality of spiral feeding grooves, the section of each feeding groove is circular arc, and compared with the section of each spiral groove which is circular arc, the inner wall of each circular arc spiral groove is smooth circular arc curved surface, so that friction force is effectively reduced, the device can reduce torque of a screw under the same technological condition, torque fluctuation is ensured to be smaller during high-speed production, production stability is improved, and the torque fluctuation is smaller, so that extrusion quantity is stable; the inner wall of the pipe body is provided with a cooling groove which is spirally arranged, and the cooling groove forms a cooling cavity coiled on the inner pipe body under the cooperation of the inner pipe body to control the temperature of the material seat so as to ensure that the temperature fluctuation range of the material seat is small, thereby improving the production stability.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of an improved spiral blanking seat according to the present utility model;
FIG. 2 is a schematic diagram of a cooling tank of an improved spiral blanking seat according to the present utility model;
FIG. 3 is a schematic view of the structure of the feed inlet of an improved screw blanking seat according to the present utility model;
fig. 4 is a schematic structural view of a feed inlet of an improved screw blanking seat according to the present utility model.
In the figure: 1. an outer tube body; 2. an inner tube body; 3. a feed chute; 4. a feed inlet; 5. a through port; 6. a cooling tank; 7. a water inlet; 8. a water outlet; 9. a first positioning screw hole; 10. the second positioning screw hole; 11. a third positioning screw hole; 12. an internal thread; 13. and a butt joint cavity.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the improved spiral blanking seat of the utility model comprises an outer pipe body 1 and an inner pipe body 2, wherein the inner pipe body 2 is arranged in the outer pipe body 1, the inner wall of the inner pipe body 2 is provided with a plurality of spiral feeding grooves 3, the section of each feeding groove 3 is arc-shaped, the outer pipe body 1 is provided with a feeding hole 4, the inner pipe body 2 is provided with a through hole 5 corresponding to the feeding hole 4, the joint of the outer pipe body 1 and the inner pipe body 2 is fully welded and connected, the inner wall of the outer pipe body 1 is provided with a spiral cooling groove 6, the cooling groove 6 forms a cooling cavity coiled in the inner pipe body 2 under the cooperation of the inner pipe body 2, and the outer pipe body 1 is provided with a water inlet 7 and a water outlet 8 which are communicated with the cooling groove 6. The inner wall of the inner pipe body 2 is provided with the plurality of spiral feeding grooves 3, the section of each feeding groove 3 is arc-shaped, and compared with the section of each spiral groove which is arc-shaped, the inner wall of each spiral groove which is arc-shaped is smooth arc-shaped curved surface, so that friction force is effectively reduced, the device can reduce the torque of a screw under the same process condition, the torque fluctuation is ensured to be smaller during high-speed production, the production stability is improved, and the torque fluctuation is smaller, so that the extrusion quantity is stable; the inner wall of the pipe body is provided with a cooling groove 6 which is spirally arranged, and the cooling groove 6 forms a cooling cavity coiled on the inner pipe body 2 under the cooperation of the inner pipe body 2 to control the temperature of the material seat so as to ensure that the temperature fluctuation range of the material seat is small, thereby improving the production stability.
The outer pipe body 1 is provided with a plurality of first positioning screw holes 9 at one end far away from the feed chute 3, and the inner pipe body 2 is provided with a plurality of second positioning screw holes 10 at one end far away from the feed chute 3; the bearing seat is convenient to install at the end parts of the outer pipe body and the inner pipe body, the extrusion screw is installed in the inner pipe body, and the outer pipe body 1 is provided with a third positioning screw hole 11 at one end close to the feed chute, so that the extrusion screw is convenient to butt joint with the machine barrel.
The end of the inner tube body 2 is contracted inside the outer tube body 1.
The inner parts of the water inlet 7 and the water outlet 8 are respectively provided with an internal thread 12, so that the water inlet and the water outlet are conveniently fixed with an external water cooling circulation system.
The end of the inner tube body 2 is provided with a butt joint cavity 13 which is in butt joint with the machine barrel.
The feed end of the feed chute 3 is arranged in a penetrating manner, and the discharge end of the feed chute is a closed end, so that the stability of material flow is improved.
Working principle: the inner wall of the inner pipe body 2 is provided with the plurality of spiral feeding grooves 3, the section of each feeding groove 3 is arc-shaped, and compared with the section of each spiral groove which is arc-shaped, the inner wall of each spiral groove which is arc-shaped is smooth arc-shaped curved surface, so that friction force is effectively reduced, the device can reduce the torque of a screw under the same process condition, the torque fluctuation is ensured to be smaller during high-speed production, the production stability is improved, and the torque fluctuation is smaller, so that the extrusion quantity is stable; the inner wall of the pipe body is provided with a cooling groove 6 which is spirally arranged, and the cooling groove 6 forms a cooling cavity coiled on the inner pipe body 2 under the cooperation of the inner pipe body 2 to control the temperature of the material seat so as to ensure that the temperature fluctuation range of the material seat is small, thereby improving the production stability.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. An improved spiral blanking seat which is characterized in that: including outer body (1) and interior body (2), interior body (2) are established in the inside of outer body (1), just the inner wall of interior body (2) is equipped with feed chute (3) that a plurality of spirals set up, just the cross-section of feed chute (3) is convex, just be equipped with feed inlet (4) on outer body (1), establish on interior body (2) with feed inlet (4) corresponding opening (5), just the junction full weld of outer body (1) and interior body (2) is connected, be equipped with cooling tank (6) of spiral setting on the inner wall of outer body (1), just cooling tank (6) form the cooling chamber of coiling at interior body (2) under the cooperation of interior body (2), just be equipped with water inlet (7) and delivery port (8) with cooling tank (6) intercommunication on outer body (1).
2. An improved spiral blanking seat according to claim 1, characterized in that the outer pipe body (1) is provided with a plurality of first positioning screw holes (9) at one end far away from the feed chute (3), and the inner pipe body (2) is provided with a plurality of second positioning screw holes (10) at one end far away from the feed chute (3); the outer tube body (1) is provided with a third positioning screw hole (11) at one end close to the feeding groove.
3. An improved screw-type blanking seat according to claim 1, characterized in that the end of the inner tube (2) is shrunk into the outer tube (1).
4. An improved screw-down seat according to claim 1, characterized in that the inner surfaces of the water inlet (7) and the water outlet (8) are provided with internal screw threads (12).
5. An improved screw blanking seat according to claim 1, characterized in that the end of the inner tube (2) is provided with a docking chamber (13) for docking with the barrel.
6. An improved spiral blanking seat as claimed in claim 1, wherein the feed end of the feed chute (3) is a through-going arrangement and the discharge end of the feed chute is a closed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338144.9U CN220409580U (en) | 2023-05-30 | 2023-05-30 | Improved spiral blanking seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338144.9U CN220409580U (en) | 2023-05-30 | 2023-05-30 | Improved spiral blanking seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220409580U true CN220409580U (en) | 2024-01-30 |
Family
ID=89651897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321338144.9U Active CN220409580U (en) | 2023-05-30 | 2023-05-30 | Improved spiral blanking seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220409580U (en) |
-
2023
- 2023-05-30 CN CN202321338144.9U patent/CN220409580U/en active Active
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