CN219768952U - Screw pump stator high-pressure glue injection enclasping device - Google Patents
Screw pump stator high-pressure glue injection enclasping device Download PDFInfo
- Publication number
- CN219768952U CN219768952U CN202320180638.2U CN202320180638U CN219768952U CN 219768952 U CN219768952 U CN 219768952U CN 202320180638 U CN202320180638 U CN 202320180638U CN 219768952 U CN219768952 U CN 219768952U
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- CN
- China
- Prior art keywords
- glue injection
- screw pump
- pump stator
- enclasping
- circular arc
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- 239000003292 glue Substances 0.000 title claims abstract description 100
- 238000002347 injection Methods 0.000 title claims abstract description 77
- 239000007924 injection Substances 0.000 title claims abstract description 77
- 210000001503 joint Anatomy 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a high-pressure glue injection enclasping device for a screw pump stator, which belongs to the field of glue injection and comprises a glue injection head, wherein the glue injection head is sequentially provided with a connecting block and an enclasping structure along the glue injection direction, a butt joint groove is formed in the connecting block, which is far away from the glue injection head end, the end part of the screw pump stator can extend into the butt joint groove, the center of the connecting block is provided with an axial screw rod, and the axial screw rod extends into the screw pump stator; the clamping structure comprises a clamping flange with a taper hole and two circular arc clamping blocks, the outer walls of the circular arc clamping blocks are axially provided with taper, the two circular arc clamping blocks can be matched with the taper hole of the clamping flange, and the inner walls of the circular arc clamping blocks are provided with spiral anti-slip patterns. The structure can ensure the clamping force and the tightness of the screw pump stator during glue injection, and can prevent the screw pump stator from rotating during glue injection.
Description
Technical Field
The utility model relates to the field of glue injection, in particular to a high-pressure glue injection enclasping device for a screw pump stator.
Background
The screw pump stator is internally provided with a spiral inner wall, the existing manufacturing process is carried out in a glue injection mode, a spiral column is required to be fixed in the screw pump stator in advance before glue injection, and then glue injection is carried out, so that the inner wall quality of the screw pump stator is improved, the tightness of two ends of the screw pump stator is required to be strictly ensured, and the sealing structures at the two ends are required to bear a certain pressure due to a certain pressure in the glue injection process;
traditional sealing mode is through two ring flanges of tip welding, then be connected ring flange and injecting glue structure again, set up sealed pad between the two, however later stage ring flange still need cut off, in order to remove above-mentioned complicated operation from, change to adopting clamping structure's mode, above-mentioned structure has caused the damage to the surface of screw pump stator again, and then influenced its internal dimension, the initial wall thickness of screw pump stator of this scheme is thinner again, very easily because of pressing from both sides tight deformation, secondly press from both sides clamping structure because lack axial force, can weaken the leakproofness to the tip, lead to the condition that often appears leaking glue.
Aiming at the problems in the prior art, the utility model designs and manufactures the high-pressure glue injection enclasping device for the screw pump stator to overcome the defects.
Disclosure of Invention
The high-pressure glue injection enclasping device for the screw pump stator can ensure the clamping force and the tightness of the screw pump stator during glue injection and prevent the screw pump stator from rotating during glue injection.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the high-pressure glue injection enclasping device for the screw pump stator comprises a glue injection head, wherein the glue injection head is sequentially provided with a connecting block and an enclasping structure along the glue injection direction, a butt joint groove is formed in the connecting block far away from the glue injection head end, the end part of the screw pump stator can extend into the butt joint groove, the center of the connecting block is provided with an axial screw rod, and the axial screw rod extends into the screw pump stator;
the clamping structure comprises a clamping flange with a taper hole and two circular arc clamping blocks, the outer walls of the circular arc clamping blocks are axially provided with taper, the two circular arc clamping blocks can be matched with the taper hole of the clamping flange, and the inner walls of the circular arc clamping blocks are provided with spiral anti-slip patterns.
Preferably, the diameter of the inner wall of the circular arc-shaped clamp is equal to the outer diameter of the screw pump stator.
Preferably, the arc of the circular arc-shaped clamp is smaller than 180 degrees.
Preferably, the large-diameter end of the circular arc-shaped holding clamp is arranged in the direction close to the glue injection head.
Preferably, the connecting block is provided with a plurality of threaded connecting holes, and the enclasping flange is connected with the threaded connecting holes through connecting bolts.
Preferably, a sealing gasket is arranged between the bottom of the butt joint groove and the end part of the screw pump stator.
Preferably, the outer end of the butt joint groove is provided with a guide chamfer.
Preferably, a sealing ring is arranged at the connection position of the axial screw rod and the glue injection head.
Preferably, a glue injection cavity is arranged between the glue injection head and the connecting block, a glue injection hole is arranged on the connecting block, and glue injected by the glue injection head firstly enters the glue injection hole through the glue injection cavity and then enters the screw pump stator through the glue injection hole.
Preferably, the glue injection channel of the glue injection head is arranged at the central position, and the connecting block is provided with a dispersing ball head at the central position close to the side of the glue injection head.
The utility model has the advantages that:
according to the utility model, the two circular arc-shaped clamping blocks with the outer walls as the taper and the clamping flange with the taper holes are matched with each other to clamp the screw pump stator, so that the clamping force is ensured, the axial force is transmitted due to the reason of the taper surface of the circular arc-shaped clamping blocks, the end part of the screw pump stator can be tightly abutted against the butt joint groove, the tightness of the end part of the screw pump stator is ensured, in addition, the spiral anti-skid patterns on the inner wall of the circular arc-shaped clamping blocks can prevent the impact rotation caused by the spiral structure inside the screw pump stator in the high-pressure glue injection process, and the yield of glue injection and the forming quality of internal rubber are ensured.
Drawings
Fig. 1 is a schematic diagram of a screw pump stator high-pressure glue injection enclasping device.
In the figure: 1-screw pump stator, 2-axial screw rod, 3-enclasping flange, 4-arc enclasping card, 5-connecting bolt, 6-connecting block, 7-injecting glue hole, 8-injecting glue head, 9-injecting glue passageway, 10-injecting glue chamber, 11-dispersion bulb.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
As shown in fig. 1, the high-pressure glue injection enclasping device for the screw pump stator comprises a glue injection head 8, wherein the glue injection head 8 is sequentially provided with a connecting block 6 and a enclasping structure along the glue injection direction, the end, far away from the glue injection head 8, of the connecting block 6 is provided with a butt joint groove, the outer end of the butt joint groove is provided with a guide chamfer, the end part of the screw pump stator 1 can extend into the butt joint groove, the center of the connecting block 6 is provided with an axial screw rod 2, the connecting position of the axial screw rod 2 and the glue injection head 8 is provided with a sealing ring, the axial screw rod 2 extends into the screw pump stator 1, during glue injection, glue enters between the screw pump stator 1 and the axial screw rod 2 to finish filling, and after the glue is solidified, the axial screw rod 2 is taken out, the screw pump stator 1 with the inner wall being spiral can be obtained;
the clamping structure comprises a clamping flange 3 with a taper hole and two circular arc clamping pieces 4, wherein the diameter of the inner wall of each circular arc clamping piece 4 is equal to the outer diameter of a screw pump stator 1, the radian of each circular arc clamping piece 4 is smaller than 180 degrees, the outer wall of each circular arc clamping piece 4 is provided with a taper along the axial direction, the large-diameter end of each circular arc clamping piece 4 is arranged in the direction close to a glue injection head 8, the two circular arc clamping pieces 4 can be matched with the taper hole of the clamping flange 3, a plurality of threaded connecting holes are formed in a connecting block 6, and the clamping flange 3 is connected with the threaded connecting holes through connecting bolts 5.
The two circular arc-shaped clamping 4 with the outer wall being tapered and the clamping flange 3 with the taper hole are utilized to be matched with the clamping screw pump stator 1, so that clamping force is guaranteed, axial force is transferred due to the taper surface of the circular arc-shaped clamping 4, the end part of the screw pump stator 1 can be tightly abutted against the butt joint groove, and the tightness of the end part of the screw pump stator 1 is guaranteed.
According to the utility model, the sealing gasket is preferably arranged between the bottom of the butt joint groove and the end part of the screw pump stator 1, so that the sealing performance of the end part of the screw pump stator 1 during glue injection is further improved.
The spiral anti-skid lines are arranged on the inner wall of the circular arc-shaped clamp 4, so that impact rotation caused by the spiral structure inside the screw pump stator 1 in the high-pressure glue injection process can be prevented, and the yield of glue injection and the molding quality of internal rubber are ensured.
Be equipped with injecting glue chamber 10 between injecting glue head 8 and the connecting block 6, be equipped with injecting glue hole 7 on the connecting block 6, injecting glue that injecting glue head 8 was annotated out gets into injecting glue hole 7 through injecting glue chamber 10 earlier, then get into screw pump stator 1 through injecting glue hole 7 again in, injecting glue passageway 9 setting of injecting glue head 8 is in central point put, connecting block 6 is equipped with dispersion bulb 11 in the central point put that is close to injecting glue head 8 side, avoid high pressure injecting glue to strike the screw pump stator 1 at connecting block 6 center to exert an influence, make things convenient for the sizing material dispersion to get into screw pump stator 1 through injecting glue hole 7 fast simultaneously.
It should be understood that these examples are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present utility model, and that all such equivalents are intended to fall within the scope of the present utility model as defined in the appended claims.
Claims (10)
1. The high-pressure glue injection enclasping device for the screw pump stator is characterized by comprising a glue injection head, wherein the glue injection head is sequentially provided with a connecting block and an enclasping structure along the glue injection direction, a butt joint groove is formed in the connecting block, which is far away from the glue injection head end, the end part of the screw pump stator can extend into the butt joint groove, an axial screw rod is arranged in the center of the connecting block, and the axial screw rod extends into the screw pump stator;
the clamping structure comprises a clamping flange with a taper hole and two circular arc clamping blocks, the outer walls of the circular arc clamping blocks are axially provided with taper, the two circular arc clamping blocks can be matched with the taper hole of the clamping flange, and the inner walls of the circular arc clamping blocks are provided with spiral anti-slip patterns.
2. The high-pressure glue injection enclasping device of a screw pump stator according to claim 1, wherein the diameter of the inner wall of the circular arc-shaped enclasping clamp is equal to the outer diameter of the screw pump stator.
3. The high-pressure glue injection enclasping device of claim 2, wherein the arc of the circular arc clamp is less than 180 °.
4. The high-pressure glue injection enclasping device for a screw pump stator according to claim 1, wherein the large diameter end of the circular arc-shaped enclasping clamp is arranged in the direction close to the glue injection head.
5. The high-pressure glue injection enclasping device for the stator of the screw pump according to claim 1, wherein a plurality of threaded connection holes are formed in the connecting block, and the enclasping flange is connected with the threaded connection holes through connecting bolts.
6. The high-pressure glue injection enclasping device of a screw pump stator according to claim 1, wherein a sealing gasket is arranged between the bottom of the butt joint groove and the end part of the screw pump stator.
7. The high-pressure glue injection enclasping device of a screw pump stator according to claim 1, wherein the outer end of the butt joint groove is provided with a guiding chamfer.
8. The high-pressure glue injection enclasping device of a screw pump stator according to claim 1, wherein a sealing ring is arranged at the connection position of the axial screw rod and the glue injection head.
9. The high-pressure glue injection enclasping device of a screw pump stator according to claim 1, wherein a glue injection cavity is arranged between the glue injection head and the connecting block, a glue injection hole is arranged on the connecting block, and glue injected by the glue injection head firstly enters the glue injection hole through the glue injection cavity and then enters the screw pump stator through the glue injection hole.
10. The high-pressure glue injection enclasping device of a screw pump stator according to claim 9, wherein the glue injection channel of the glue injection head is arranged at a central position, and the connecting block is provided with a dispersion ball head at a central position close to the side of the glue injection head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180638.2U CN219768952U (en) | 2023-02-07 | 2023-02-07 | Screw pump stator high-pressure glue injection enclasping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180638.2U CN219768952U (en) | 2023-02-07 | 2023-02-07 | Screw pump stator high-pressure glue injection enclasping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219768952U true CN219768952U (en) | 2023-09-29 |
Family
ID=88132070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320180638.2U Active CN219768952U (en) | 2023-02-07 | 2023-02-07 | Screw pump stator high-pressure glue injection enclasping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219768952U (en) |
-
2023
- 2023-02-07 CN CN202320180638.2U patent/CN219768952U/en active Active
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| GR01 | Patent grant | ||
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