CN220498938U - Abrasion-proof clamp for loading aging after plating of compression spring - Google Patents
Abrasion-proof clamp for loading aging after plating of compression spring Download PDFInfo
- Publication number
- CN220498938U CN220498938U CN202322027118.0U CN202322027118U CN220498938U CN 220498938 U CN220498938 U CN 220498938U CN 202322027118 U CN202322027118 U CN 202322027118U CN 220498938 U CN220498938 U CN 220498938U
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- CN
- China
- Prior art keywords
- wear
- compression spring
- rigid mandrel
- sleeve
- clamp
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Links
- 230000006835 compression Effects 0.000 title claims abstract description 54
- 238000007906 compression Methods 0.000 title claims abstract description 54
- 230000032683 aging Effects 0.000 title claims abstract description 23
- 238000007747 plating Methods 0.000 title claims description 19
- 238000005299 abrasion Methods 0.000 claims description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Electroplating Methods And Accessories (AREA)
- Springs (AREA)
Abstract
The anti-wear clamp for compression spring loading aging test comprises a positioning ring, a rigid mandrel and a plurality of anti-wear sleeves axially arranged along the rigid mandrel; the anti-wear sleeve is sleeved on the shaft body of the rigid mandrel in a clearance fit manner, two ends of the rigid mandrel are respectively provided with a limiting blocking piece used for propping against the anti-wear sleeve, the two limiting blocking pieces are respectively arranged into a large blocking piece and a small blocking piece with the outer diameter larger than and smaller than that of the anti-wear sleeve, and at least one of the two limiting blocking pieces is detachably connected with the rigid mandrel; the anti-wear sleeve is sleeved with a compression spring in a clearance fit manner, the positioning ring is sleeved outside the anti-wear sleeve and used for propping against the compression spring to the large block baffle piece, and anti-wear pads are arranged between the compression spring and the positioning ring, between the compression spring and the large block baffle piece and between two adjacent compression springs; the anti-wear clamp is simple to operate, low in cost, high in anti-wear safety and reusable.
Description
Technical Field
The utility model relates to the technical field of compression spring loading aging test, in particular to an anti-wear clamp for loading aging after plating of a compression spring.
Background
After the surface treatment of zinc plating, cadmium plating, bluing and the like is carried out on the compression spring, loading aging is needed after plating, the plating layer of the inner ring of the spring is extremely easy to wear in the clamping process, in order to prevent the plating layer from wearing, the common operation method in actual production of factories is to stick a high-temperature adhesive tape on a common loading aging mandrel, or manufacture a mandrel made of special materials such as polytetrafluoroethylene, and the methods often have more defects, for example, the operation process of the high-temperature adhesive tape method is complex, the use efficiency is low, the plating layer is easy to damage and cause wearing, and the mandrel made of low-friction materials such as polytetrafluoroethylene is directly adopted, so that the defects are that raw materials are expensive, the processing cost is high, the mandrel is easy to bend and deform for multiple times, and the repeated use is unfavorable.
Disclosure of Invention
In order to overcome the defects in the background art and solve the problems in the prior art, the utility model discloses an anti-wear clamp for loading and aging after plating a compression spring, which has the advantages of simple operation, low cost, high anti-wear safety and reusability.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
an anti-wear clamp for loading aging after plating of a compression spring comprises a positioning ring, a rigid mandrel and a plurality of anti-wear sleeves axially arranged along the rigid mandrel; the anti-wear sleeve is sleeved on the shaft body of the rigid mandrel in a clearance fit manner, two ends of the rigid mandrel are respectively provided with a limiting blocking piece used for propping against the anti-wear sleeve, the two limiting blocking pieces are respectively arranged into a large blocking piece and a small blocking piece with the outer diameter larger than and smaller than that of the anti-wear sleeve, and at least one of the two limiting blocking pieces is detachably connected with the rigid mandrel; the anti-wear sleeve is characterized in that a compression spring is sleeved outside the anti-wear sleeve in a clearance fit manner, the positioning ring is sleeved outside the anti-wear sleeve and used for propping against the compression spring to the large block stopper, and anti-wear pads are arranged between the compression spring and the positioning ring, between the compression spring and the large block stopper and between two adjacent compression springs.
Further, the limiting stop piece is arranged as a limiting sleeve, and is detachably connected with the rigid mandrel in a threaded connection or a transition fit clamping connection.
Further, the large block blocking piece is integrally connected with the rigid mandrel, and the small block blocking piece is detachably connected with the rigid mandrel.
Further, the outer wall of the positioning ring is provided with a threaded through hole, and a positioning screw is arranged in the threaded through hole.
Further, the anti-abrasion sleeve and the anti-abrasion pad are made of polytetrafluoroethylene materials.
Further, the rigid mandrel is made of stainless steel.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
according to the anti-wear clamp for loading aging of the compression spring, disclosed by the utility model, the stability and the service life of the tool clamp are ensured by adopting the rigid mandrel, the wear of the compression spring coating in the loading aging process can be effectively avoided by adopting the anti-wear material, the safety is high, the operation convenience is also ensured by the detachable limiting baffle and the positioning ring, meanwhile, the anti-wear sleeve can be partially replaced after being worn, the recycling efficiency is greatly improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional view of the present utility model.
In the figure: 1. a rigid mandrel; 2. an abrasion-proof pad; 3. a compression spring; 4. a set screw; 5. a positioning ring; 6. an abrasion-proof sleeve; 7. a small block stopper; 8. a large block stopper.
Detailed Description
In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not indicated or implied that the device or element referred to must have a specific azimuth:
the anti-wear clamp for compression spring loading aging, which is described with reference to figures 1-2, comprises a positioning ring 5, a rigid mandrel 1 and a plurality of anti-wear sleeves 6 which are axially arranged along the rigid mandrel 1; according to the requirement, the rigid mandrel 1 is made of stainless steel, has certain strength and rigidity, ensures the stability and service life of the fixture, and the anti-abrasion sleeve 6 is made of polytetrafluoroethylene, so that the polytetrafluoroethylene has the characteristic of low friction rate, and can effectively avoid abrasion of a coating of the compression spring 3 in the loading aging process; the anti-wear sleeve 6 adopts the existing proper polytetrafluoroethylene sleeve, so that secondary processing is not needed, and the manufacturing cost is reduced;
the wear-resistant sleeve 6 is sleeved on the shaft body of the rigid mandrel 1 in a clearance fit manner, limiting blocking pieces for propping against the wear-resistant sleeve 6 are arranged at the two ends of the rigid mandrel 1, and the two limiting blocking pieces are used for extruding the spring from the two ends of the compression spring 3 to a compression state so as to carry out loading aging test; the two limiting baffle pieces are respectively arranged into a large baffle piece 8 and a small baffle piece 7, the outer diameter of the large baffle piece is larger than and smaller than that of the anti-abrasion sleeve, the large baffle piece 8 is mainly used for propping against the anti-abrasion sleeve 6 and the compression spring 3, so that the edge of the large baffle piece is outwards prolonged to exceed the outer diameter of the compression spring 3, the small baffle piece 7 only needs to prop against the anti-abrasion sleeve 6, but at the same time, the compression spring 3 is convenient to sleeve, at least one of the two limiting baffle pieces is detachably connected with the rigid mandrel 1, and the anti-abrasion sleeve 6 is convenient to disassemble, assemble and replace; the limiting stop piece is set as a limiting sleeve according to the requirement, and is detachably connected with the rigid mandrel 1 to be in threaded connection or in transition fit clamping connection, and the corresponding shaft ends of the limiting sleeve and the rigid mandrel 1 are respectively provided with corresponding matched internal threads and external threads; in addition, the large block baffle piece 8 is integrally connected with the rigid mandrel 1, the small block baffle piece 7 is detachably connected with the rigid mandrel 1, and the integral structure has higher strength, so that the processing, manufacturing and production are convenient;
the compression springs 3 are sleeved outside the anti-wear sleeve 6 in a clearance fit manner, the compression springs 3 are generally provided in a plurality, one compression spring is subjected to loading aging, the positioning ring 5 is sleeved outside the anti-wear sleeve 6 and used for propping against the compression springs 3 to the large block baffle 8, the outer diameter of the positioning ring 5 is larger than the outer diameter of the springs, and the abrasion of an outer circle plating layer in the transportation process of the compression springs 3 can be effectively prevented; according to the requirement, the outer wall of the positioning ring 5 is provided with a threaded through hole, a positioning screw 4 is arranged in the threaded through hole, and the positioning ring 5 is axially positioned by screwing the positioning screw 4 to abut against the anti-abrasion sleeve 6; and the anti-abrasion pad 2 is arranged between the compression spring 3 and the positioning ring 5, between the compression spring 3 and the large block baffle piece 8 and between two adjacent compression springs 3, the anti-abrasion pad 2 is made of polytetrafluoroethylene, and the polytetrafluoroethylene has the characteristic of low friction rate, so that the abrasion to the plating layer of the compression spring 3 in the loading aging process can be effectively avoided.
After the compression spring is plated, the anti-wear clamp for loading aging needs to be sleeved with the anti-wear sleeve 6 on the shaft body of the rigid mandrel 1 and then squeezed by the small block baffle 7; and then the compression springs 3 are sleeved outside the anti-wear sleeve 6, the compression springs 3 are separated from the positioning ring 5, the compression springs 3 are separated from the large block baffle pieces 8 and the adjacent two compression springs 3 through the anti-wear pad 2, then the compression springs 3 are pressed to a certain height state by a lathe or pressure equipment, are installed in the positioning ring 5, and are fixed by using the positioning screws 4.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the above-described embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. An anti-wear clamp for loading aging after plating of a compression spring is characterized in that: comprises a positioning ring (5), a rigid mandrel (1) and a plurality of anti-abrasion sleeves (6) which are axially arranged along the rigid mandrel (1); the anti-wear sleeve (6) is sleeved on the shaft body of the rigid mandrel (1) in a clearance fit manner, two ends of the rigid mandrel (1) are respectively provided with a limiting stopper used for propping against the anti-wear sleeve (6), the two limiting stoppers are respectively provided with a large block stopper (8) and a small block stopper (7) with the outer diameters larger than and smaller than the outer diameter of the anti-wear sleeve, and at least one of the two limiting stoppers is detachably connected with the rigid mandrel (1); the anti-wear sleeve (6) is sleeved with the compression spring (3) in an external clearance fit manner, the positioning ring (5) is sleeved outside the anti-wear sleeve (6) and used for propping against the compression spring (3) to the large block stopper (8), and anti-wear pads (2) are arranged between the compression spring (3) and the positioning ring (5), between the compression spring (3) and the large block stopper (8) and between two adjacent compression springs (3).
2. The wear clamp for post-plating load aging of a compression spring of claim 1, wherein: the limiting baffle piece is arranged as a limiting sleeve and is detachably connected with the rigid mandrel (1) in a threaded connection or a transition fit clamping connection.
3. The wear clamp for post-plating load aging of a compression spring of claim 1, wherein: the large block baffle (8) is integrally connected with the rigid mandrel (1), and the small block baffle (7) is detachably connected with the rigid mandrel (1).
4. The wear clamp for post-plating load aging of a compression spring of claim 1, wherein: the outer wall of the positioning ring (5) is provided with a threaded through hole, and a positioning screw (4) is arranged in the threaded through hole.
5. The wear clamp for post-plating load aging of a compression spring of claim 1, wherein: the anti-abrasion sleeve (6) and the anti-abrasion pad (2) are made of polytetrafluoroethylene materials.
6. The wear clamp for post-plating load aging of a compression spring of claim 1, wherein: the rigid mandrel (1) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322027118.0U CN220498938U (en) | 2023-07-28 | 2023-07-28 | Abrasion-proof clamp for loading aging after plating of compression spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322027118.0U CN220498938U (en) | 2023-07-28 | 2023-07-28 | Abrasion-proof clamp for loading aging after plating of compression spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220498938U true CN220498938U (en) | 2024-02-20 |
Family
ID=89875724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322027118.0U Active CN220498938U (en) | 2023-07-28 | 2023-07-28 | Abrasion-proof clamp for loading aging after plating of compression spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220498938U (en) |
-
2023
- 2023-07-28 CN CN202322027118.0U patent/CN220498938U/en active Active
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