CN214687866U - Extruder screw rod with high concentricity - Google Patents
Extruder screw rod with high concentricity Download PDFInfo
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- CN214687866U CN214687866U CN202120358648.1U CN202120358648U CN214687866U CN 214687866 U CN214687866 U CN 214687866U CN 202120358648 U CN202120358648 U CN 202120358648U CN 214687866 U CN214687866 U CN 214687866U
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- screw rod
- screw
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- connecting block
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Abstract
The utility model discloses an extruder screw with high concentricity, which comprises a screw, wherein the screw comprises a first screw, a second screw and a third screw, a first spiral sheet is arranged on the outer wall of the first screw, a first bulge is formed at the center of one end of the first screw, a second bulge is formed on the outer ring, a first magnet is arranged on the first bulge, a first groove is formed on the outer ring of one end of the first screw close to the first bulge, the second screw comprises a first pipe, a first connecting block is arranged in one end of the first pipe, a second connecting block is arranged at the other end of the first pipe, a third groove is formed on the first connecting block close to the center of one end of the first screw, a fourth groove is formed on the outer ring, a second magnet is arranged in the third groove, one end of the first screw is arranged in the second screw, the first bulge is arranged in the third groove, the second bulge is arranged in the fourth groove, a second spiral sheet is arranged on the outer ring of the second screw close to one end of the first screw, the other end is provided with a second groove.
Description
Technical Field
The utility model relates to an extruder screw rod field, concretely relates to extruder screw rod of high concentricity.
Background
A single solid structure is commonly used for a traditional extruder screw, the rotation center of the screw and plastic are constantly in a pushing friction state, and the solid screw is easy to deform when being heated.
Among the prior art, can splice through many screws usually, come weight reduction, but the concentricity error of many concatenations is great, influences the work of extruder easily, reduces production efficiency.
Disclosure of Invention
For solving the deficiencies of the prior art, the utility model aims to provide an extruder screw rod of high concentricity with simple structure and high concentricity.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high-concentricity extruder screw rod comprises a screw rod, wherein the screw rod comprises a first screw rod, a second screw rod and a third screw rod, a first spiral sheet is arranged on the outer wall of the first screw rod, a first bulge is formed at the center of one end of the first screw rod, a second bulge is formed on the outer ring, a first magnet is arranged on the first bulge, a first groove is formed on the outer ring of one end of the first screw rod, which is close to the first bulge, a second screw rod comprises a first pipe body, a first connecting block is arranged in one end of the first pipe body, a second connecting block is arranged at the other end of the first pipe body, a third groove is formed at the center of one end of the first connecting block, which is close to the first screw rod, a fourth groove is formed on the outer ring, a second magnet is arranged in the third groove, one end of the first screw rod is arranged in the second screw rod, the first bulge is arranged in the third groove, and the second bulge is arranged in the fourth groove, the second screw rod outer ring is close to one end of the first screw rod and is provided with a second spiral sheet, the other end of the second screw rod outer ring is provided with a second groove, a third protrusion is formed at the center of one end, away from the center of the first screw rod, of the second connecting block, a fourth protrusion is formed on the outer ring, a third magnet is arranged on the third protrusion, the third screw rod comprises a second pipe body, a third connecting block is arranged inside one end of the second screw rod and close to the second connecting block, a fifth groove is formed at the center of one end of the second screw rod, a sixth groove is formed in the outer ring, a fourth magnet is arranged in the fifth groove, the other end of the second screw rod is arranged in the third screw rod, the third protrusion is arranged in the fifth groove, the fourth protrusion is arranged in the sixth groove, and the third spiral sheet is arranged on the third screw rod.
As a further preferred aspect of the present invention, the first screw rod is set to be a solid structure, and the second screw rod and the third screw rod are set to be a hollow structure.
As a further preference of the present invention, the first protrusion length is greater than the second protrusion length, and the third protrusion length is greater than the fourth protrusion length.
As the utility model discloses a further preferred, the length of first flight is less than the length of first flight, the one end and the first flight contact of first recess, and the helix setting of first flight is followed to first recess.
As a further preferred aspect of the present invention, the inner diameter of the second screw is equal to the diameter of the first screw.
As a further preferred aspect of the present invention, the second spiral piece is disposed outside the second screw rod and is installed on the first screw rod through the first groove.
As the utility model discloses a further preferred, third screw rod outer wall is close to second screw rod one end and is formed with the step, the second screw rod sets up on the step.
As the utility model discloses a further preferred, the helix setting of second flight is followed to the second recess, third flight one end sets up in the third screw rod outside, and installs on the second screw rod through the second recess.
The utility model discloses an useful part lies in: the utility model has simple structure, convenient installation and maintenance, quick disassembly, and reduced weight while ensuring strength, thereby saving resources, prolonging the service life of the screw rod and reducing production cost; by arranging the strong magnets, the bulges and the corresponding grooves, the connection accuracy can be further improved on the basis of the original fixation, the concentricity is ensured, the quick positioning effect can be achieved, the installation is convenient, and the production efficiency is improved; the connection between the screws can be increased by installing the spiral piece on the next section of screw on the last section of screw through the groove.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a first screw;
FIG. 3 is a schematic structural view of a second screw;
fig. 4 is a schematic structural view of the third screw.
The meaning of the reference symbols in the figures: 1. the first screw rod, 101, the first groove, 2, the second screw rod, 201, the first tube, 202, the first connecting block, 203, the second connecting block, 204, the second groove, 3, the third screw rod, 301, the second tube, 302, the third connecting block, 4, the first magnet, 5, the second magnet, 6, the third magnet, 7, the fourth magnet, 8, the flight, 801, the first flight, 802, the second flight, 803, the third flight.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides an extruder screw rod of high concentricity, includes the screw rod, the screw rod includes first screw rod 1, second screw rod 2 and third screw rod 3, first screw rod 1 sets up to solid construction, second screw rod 2 and third screw rod 3 set up to hollow structure.
Be provided with first flight 801 on the 1 outer wall of first screw rod, 1 one end center of first screw rod is formed with first arch, and the outer lane is formed with the second arch, first bellied length is greater than the bellied length of second, be provided with first magnet 4 in the first arch, first screw rod 1 is close to and is formed with first recess 101 on the first bellied one end outer lane.
The length of the first spiral piece 801 is less than that of the first screw 1, one end of the first groove 101 is in contact with the first spiral piece 801, and the first groove 101 is arranged along the spiral line of the first spiral piece 801.
The second screw rod 2 comprises a first pipe body 201, a first connecting block 202 is arranged in one end of the first pipe body 201, a second connecting block 203 is arranged at the other end of the first pipe body, a third groove is formed in the first connecting block 202 close to the center of one end of the first screw rod 1, a fourth groove is formed in the outer ring of the first connecting block, a second magnet 5 is arranged in the third groove, one end of the first screw rod 1 is arranged in the second screw rod 2, a first protrusion is arranged in the third groove, and a second protrusion is arranged in the fourth groove.
The inner diameter of the second screw 2 is equal to the diameter of the first screw 1.
One end of the outer ring of the second screw rod 2, which is close to the first screw rod 1, is provided with a second spiral piece 802, the other end of the outer ring of the second screw rod is provided with a second groove 204, one end of the second spiral piece 802 is arranged on the outer side of the second screw rod 2 and is arranged on the first screw rod 1 through the first groove 101.
The second grooves 204 are arranged along the spiral line of the second spiral piece 802.
A third protrusion is formed at the center of one end, away from the first screw rod 1, of the second connecting block 203, a fourth protrusion is formed on the outer ring, the length of the third protrusion is greater than that of the fourth protrusion, and a third magnet 6 is arranged on the third protrusion.
A step is formed at one end, close to the second screw rod 2, of the outer wall of the third screw rod 3, and the second screw rod 2 is arranged on the step.
A third spiral piece 803 is arranged on the third screw rod 3, and one end of the third spiral piece 803 is arranged outside the third screw rod 3 and is installed on the second screw rod 2 through the second groove 204.
The utility model discloses an useful part lies in: the utility model has simple structure, convenient installation and maintenance, quick disassembly, and reduced weight while ensuring strength, thereby saving resources, prolonging the service life of the screw rod and reducing production cost; by arranging the strong magnets, the bulges and the corresponding grooves, the connection accuracy can be further improved on the basis of the original fixation, the concentricity is ensured, the quick positioning effect can be achieved, the installation is convenient, and the production efficiency is improved; the connection between the screws can be increased by installing the spiral piece on the next section of screw on the last section of screw through the groove.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (8)
1. A high-concentricity extruder screw rod comprises a screw rod and is characterized in that the screw rod comprises a first screw rod, a second screw rod and a third screw rod, a first spiral sheet is arranged on the outer wall of the first screw rod, a first bulge is formed at the center of one end of the first screw rod, a second bulge is formed on the outer ring, a first magnet is arranged on the first bulge, a first groove is formed on the outer ring of one end of the first screw rod close to the first bulge, the second screw rod comprises a first pipe body, a first connecting block is arranged in one end of the first pipe body, a second connecting block is arranged at the other end of the first pipe body, a third groove is formed at the center of one end of the first connecting block close to the first screw rod, a fourth groove is formed on the outer ring, a second magnet is arranged in the third groove, one end of the first screw rod is arranged in the second screw rod, and the first bulge is arranged in the third groove, the second protrusion is arranged in the fourth groove, one end of the second screw rod outer ring close to the first screw rod is provided with a second spiral sheet, the other end of the second screw rod outer ring is provided with a second groove, the second connecting block is far away from the center of one end of the first screw rod and is formed with a third protrusion, the outer ring is formed with a fourth protrusion, the third protrusion is provided with a third magnet, the third screw rod comprises a second pipe body, the second pipe body is close to the inside of one end of the second screw rod and is provided with a third connecting block, the third connecting block is close to the center of one end of the second screw rod and is formed with a fifth groove, a sixth groove is formed in the outer ring, a fourth magnet is arranged in the fifth groove, the other end of the second screw rod is arranged in the third screw rod, the third protrusion is arranged in the fifth groove, the fourth protrusion is arranged in the sixth groove, and the third spiral sheet is arranged on the third screw rod.
2. A high concentricity extruder screw as claimed in claim 1, wherein the first screw is of solid construction and the second and third screws are of hollow construction.
3. A high concentricity extruder screw as claimed in claim 1, wherein the length of the first projection is greater than the length of the second projection and the length of the third projection is greater than the length of the fourth projection.
4. The high concentricity extruder screw of claim 1, wherein the length of the first flight is less than the length of the first screw, one end of the first groove is in contact with the first flight, and the first groove is disposed along the helix of the first flight.
5. A high concentricity extruder screw as claimed in claim 2, wherein the second screw has an internal diameter equal to the diameter of the first screw.
6. The screw of claim 1, wherein the second screw is disposed outside the second screw at one end and is mounted on the first screw via the first groove.
7. The screw of claim 2, wherein the outer wall of the third screw is formed with a step at an end thereof adjacent to the second screw, and the second screw is disposed on the step.
8. The screw of claim 1, wherein the second grooves are formed along a spiral line of the second flights, and one end of the third flights is disposed outside the third screw and is mounted on the second screw through the second grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358648.1U CN214687866U (en) | 2021-02-07 | 2021-02-07 | Extruder screw rod with high concentricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358648.1U CN214687866U (en) | 2021-02-07 | 2021-02-07 | Extruder screw rod with high concentricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214687866U true CN214687866U (en) | 2021-11-12 |
Family
ID=78567403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120358648.1U Active CN214687866U (en) | 2021-02-07 | 2021-02-07 | Extruder screw rod with high concentricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214687866U (en) |
-
2021
- 2021-02-07 CN CN202120358648.1U patent/CN214687866U/en active Active
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