CN220278972U - End pressure anti-deformation clamp - Google Patents
End pressure anti-deformation clamp Download PDFInfo
- Publication number
- CN220278972U CN220278972U CN202321976144.1U CN202321976144U CN220278972U CN 220278972 U CN220278972 U CN 220278972U CN 202321976144 U CN202321976144 U CN 202321976144U CN 220278972 U CN220278972 U CN 220278972U
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- China
- Prior art keywords
- compression bar
- clamp
- deformation
- taper
- threaded
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- 230000006835 compression Effects 0.000 claims abstract description 51
- 238000007906 compression Methods 0.000 claims abstract description 51
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000000670 limiting effect Effects 0.000 claims description 40
- 238000003754 machining Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model relates to an end pressure anti-deformation clamp, which comprises a clamp body, a clamping head and a clamping head, wherein the clamp body is provided with a threaded hole; the center of the pressing plate is provided with a taper hole; the compression bar comprises a compression bar body and a compression bar head coaxially connected with the compression bar body, wherein the compression bar body is provided with threads, the compression bar body is in threaded connection with the threaded holes, the compression bar head is arranged in the taper holes in a penetrating mode, the compression bar head is provided with taper, the taper holes are matched with the taper in a profiling mode, and the compression bar head is provided with screw holes; the workpiece is placed on the clamp body, the pressing plate and the pressing rod head press the end face of the workpiece, the radial deformation of the workpiece is eliminated, and the roundness of the inner diameter or the outer diameter of the workpiece is ensured.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to an end pressure anti-deformation clamp.
Background
The lathe is a common machining tool, and is provided with a drill bit, a reamer, a tap, a die, a knurling tool and the like for correspondingly machining a workpiece, and the lathe fixture is used together with the lathe as the name implies, so as to clamp the workpiece. Currently, when a lathe machines a workpiece, a lathe clamp is mostly an inner expansion outer clamp, namely, the workpiece is clamped by applying radial force inside the workpiece, but the inner expansion outer clamp causes the workpiece to be deformed due to clamping, so that the roundness of the outer diameter or the inner diameter of the workpiece is affected.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problem that the workpiece is deformed due to the clamping mode of the inner expansion outer clamp in the prior art, and further provides the end pressure deformation prevention clamp, so that the radial deformation of the workpiece is eliminated, and the roundness of the inner diameter or the outer diameter of the workpiece is ensured.
In order to solve the technical problems, the utility model provides an end pressure anti-deformation clamp, which comprises
A clamp body provided with a threaded hole;
the center of the pressing plate is provided with a taper hole;
the compression bar comprises a compression bar body and a compression bar head coaxially connected with the compression bar body, wherein the compression bar body is provided with threads, the compression bar body is in threaded connection with the threaded holes, the compression bar head is arranged in the taper holes in a penetrating mode, the compression bar head is provided with taper, the taper holes are matched with the taper profiles, and the compression bar head is provided with screw holes.
In one embodiment of the utility model, the fixture body is provided with a mounting seat, the mounting seat is arranged in a circular truncated cone structure, and the threaded hole is arranged on the circular truncated cone structure of the device.
In one embodiment of the utility model, the mounting seat is provided with a limiting block, and the pressing plate is provided with an avoidance opening corresponding to the limiting block.
In one embodiment of the utility model, the threaded bore extends through the clamp body and the mount.
In one embodiment of the utility model, the fixture further comprises a base, wherein a plurality of limiting seats are uniformly arranged on the base in a surrounding mode, the fixture body is arranged on the base, and the plurality of limiting seats radially limit the fixture body.
In one embodiment of the utility model, the base is uniformly provided with a plurality of threaded mounting holes in a ring, the limiting seat is provided with a plurality of threaded through holes corresponding to the threaded mounting holes, and the limiting seats are arranged on the base in a combined manner.
In one embodiment of the present utility model, the limiting seat is provided with a avoiding portion, and the avoiding portion is provided with an arc surface.
In one embodiment of the present utility model, at least three limiting seats are provided.
In an embodiment of the present utility model, the pressing plate is provided with three ribs, the extending directions of the three ribs are coincident with the axis of the pressing plate, and the three ribs are disposed corresponding to the plurality of limiting seats.
In one embodiment of the utility model, the clamp body is provided in a disc structure.
In one embodiment of the present utility model, the clamp body is further provided with a plurality of pin holes.
In one embodiment of the utility model, the orifice of the threaded bore is provided with a guide opening.
In one embodiment of the utility model, the clamp body is further provided with a positioning seat.
In one embodiment of the utility model, the pressure lever is provided as a socket head cap screw.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the utility model relates to an end pressure anti-deformation clamp, which comprises a clamp body, wherein the clamp body is provided with a threaded hole; the center of the pressing plate is provided with a taper hole; the compression bar comprises a compression bar body and a compression bar head coaxially connected with the compression bar body, wherein the compression bar body is provided with threads, the compression bar body is in threaded connection with the threaded holes, the compression bar head is arranged in the taper holes in a penetrating mode, the compression bar head is provided with taper, the taper holes are matched with the taper in a profiling mode, and the compression bar head is provided with screw holes; the workpiece is arranged on the clamp body, the pressing plate is arranged at the top of the workpiece, the pressing rod penetrates through the taper hole and is connected with the threaded hole, the pressing rod head is inserted into the taper hole, the workpiece is fixed, the radial deformation of the workpiece is eliminated, the pressing plate and the pressing rod are coaxial through the taper hole and the conical surface, and the workpiece is prevented from being biased.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural view of an exploded view of an end pressure deformation preventing jig according to a preferred embodiment of the present utility model.
Fig. 2 is a schematic structural view of a platen of the end pressure deformation preventing clamp shown in fig. 1.
Fig. 3 is a schematic structural view of a limiting seat of the end pressure deformation preventing clamp shown in fig. 1.
Description of the specification reference numerals: 1. a press rod head; 2. a compression bar body; 3. a pressing plate; 4. a limit seat; 5. a threaded mounting hole; 6. a base; 7. a threaded hole; 8. a limiting block; 9. a mounting base; 10. a pin hole; 11. an avoidance port; 12. ribs; 13. taper holes; 14. a positioning seat; 15. anti-skid lines; 16. an avoidance unit; 17. an arc surface; 18. mounting through holes; 19. a guide opening; 20. a clamp body; 21. screw holes.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Examples
In one embodiment of the present utility model, referring to FIGS. 1 and 2, an end pressure anti-deformation clamp of the present utility model comprises
The clamp body 20 is provided with a threaded hole 7.
The clamp plate 3, its center is equipped with taper hole 13, and the inner wall of taper hole 13 sets up to the toper structure, and the radius of taper hole 13 reduces gradually to base 6 one side, and the effect of taper hole 13 is the concentricity that improves clamp plate body 3.
The compression bar comprises a compression bar body 2 and a compression bar head 1 coaxially connected with the compression bar body 2, wherein the compression bar body 2 is provided with threads and has enough length, the compression bar body 2 is in threaded connection with the threaded hole 7, the compression bar head 1 is arranged in the taper hole 13 in a penetrating way, the compression bar head 1 is provided with a taper, and the diameter of the taper is gradually reduced in the extension direction of the compression bar body 2; the taper hole 13 is matched with the taper profile so that the pressing plate 3 is coaxial with the pressing rod; the press rod head 1 is provided with a hexagonal screw hole 21, so that a spanner can be conveniently used for installing or taking out the press rod.
In one embodiment of the present utility model, referring to fig. 1, the fixture body 20 is provided with a mounting seat 9, the mounting seat 9 is configured as a circular truncated cone structure, the diameter of the mounting seat gradually decreases towards the free end of the mounting seat, the threaded hole 7 is disposed at the center of the circular truncated cone structure, and the circular truncated cone structure is used for penetrating the workpiece to limit the workpiece.
In one embodiment of the present utility model, referring to fig. 1 and 2, the mounting seat 9 is provided with a limiting block 8, the pressing plate 3 is provided with an avoiding opening 11 corresponding to the limiting block 8, when the pressing plate 3 is placed on a workpiece, the limiting block 8 is located in the avoiding opening 11, and the limiting block 8 plays a role of coarse limiting, so as to prevent the pressing plate 3 from rotating circumferentially.
In one embodiment of the present utility model, referring to fig. 1, the threaded hole 7 penetrates through the clamp body 20, the mounting base 9 and the base 6, so as to increase the contact area of the compression bar, the mounting base 9 and the base 6 and increase the limit effect.
In one embodiment of the present utility model, as shown in fig. 1, the fixture further comprises a base 6 configured as a cylindrical structure, three limiting seats 4 are uniformly and fixedly arranged on the base 6 in a ring, the fixture body 20 is arranged on the base 6, and the plurality of limiting seats 4 radially limit the fixture body 20.
In one embodiment of the present utility model, referring to fig. 1, the base 6 is uniformly provided with a plurality of threaded mounting holes 5 in a ring, the limiting seat 4 is provided with a plurality of threaded through holes corresponding to the threaded mounting holes 5, and the plurality of limiting seats 4 are arranged on the base 6 in a combined manner and connected by screws, and the limiting seats 4 can be mounted on different positions of the base 6 so as to clamp workpieces from different orientations, so as to adapt to workpieces with different shapes.
In one embodiment of the present utility model, referring to fig. 3, the limiting seat 4 is provided with a relief portion 16, the relief portion 16 is provided with an arc surface 17, the bottom surface of the relief portion 16 supports the mounting seat 9, the side surface of the relief portion 16 clamps the workpiece, and the arc surface 17 can improve the contact area between the limiting seat 4 and the workpiece, so as to improve the limiting effect.
In one embodiment of the present utility model, as shown in fig. 1, at least three limiting seats 4 are provided, and the included angles between the three limiting seats 4 are sixty degrees, and the number of the limiting seats 4 can be determined according to actual needs.
In one embodiment of the present utility model, referring to fig. 2, the pressing plate 3 is provided with three ribs 12, the end surfaces of the ribs 12 are in a planar structure, the ribs 12 function to reduce the pressing contact area between the pressing plate 3 and the workpiece, and the extending directions of the three ribs 12 coincide with the axis of the pressing plate 3, so that the acting force of the pressing plate 3 acts on the workpiece uniformly to prevent the workpiece from being damaged by pressing; and the three ribs 12 are arranged corresponding to the plurality of limiting seats 4.
In one embodiment of the present utility model, referring to fig. 1, the clamp body 20 is provided in a disc structure so as to rotate and limit the clamp body 20.
In one embodiment of the present utility model, referring to fig. 1, the fixture body 20 is further provided with a plurality of pin holes 10, the plurality of pin holes 10 are disposed at two sides of the mounting seat 9, and the workpiece is further limited by the connection of the workpiece and the pin holes 10 through screws.
In one embodiment of the present utility model, referring to fig. 1, the hole of the threaded hole 7 is provided with a guiding hole 19, the diameter of the guiding hole 19 is larger than that of the threaded hole 7, the diameter of the guiding hole 19 decreases toward the base 6, and the guiding hole 19 is used to facilitate the insertion of the compression bar body 2 into the taper hole 13.
In one embodiment of the present utility model, referring to fig. 1, the fixture body 20 is further provided with a positioning seat 14, where the positioning seat 14 plays a role of radial limitation on the workpiece.
In one embodiment of the present utility model, referring to fig. 1, the compression bar is provided as a socket head cap screw, and the compression bar head 1 is provided with a socket head cap screw hole 21 for facilitating the installation or removal of the compression bar by a wrench.
In one embodiment of the present utility model, referring to fig. 3, the bottom of the limit seat 4 is provided with an anti-slip pattern 15, so as to improve the friction between the limit seat 4 and the base 6, and the anti-slip pattern 15 is moved to prevent the limit seat 4 from sliding.
The working principle of the end pressure anti-deformation clamp provided by the utility model is as follows:
the fixture body 20 is placed on the base 6 and limited by the limiting seat 4, the workpiece is sleeved on the mounting seat 9, the pressing plate 3 is placed on the top of the workpiece, the pressing rod sequentially penetrates through the taper hole 13, the workpiece and the threaded hole 7, the conical surface of the pressing rod head 1 is inserted into the taper hole 13 and is in threaded connection with the threaded hole 7, the end face of the workpiece is fixed, the radial deformation of the workpiece caused by the internal expansion and external clamping fixing mode is eliminated, the pressing plate 3 and the pressing rod are coaxial due to the matching of the taper hole 13 and the conical surface, the workpiece is prevented from being pressed to deviate, the accuracy of the fixture is improved, and the workpiece is taken down after the pressing plate 3 and the pressing rod are disassembled.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. An end pressure anti-deformation clamp is characterized by comprising
A clamp body provided with a threaded hole;
the center of the pressing plate is provided with a taper hole;
the compression bar comprises a compression bar body and a compression bar head coaxially connected with the compression bar body, wherein the compression bar body is provided with threads, the compression bar body is in threaded connection with the threaded holes, the compression bar head is arranged in the taper holes in a penetrating mode, the compression bar head is provided with taper, the taper holes are matched with the taper profiles, and the compression bar head is provided with screw holes.
2. An end-pressure anti-deformation clamp according to claim 1, wherein the clamp body is provided with a mounting seat, the mounting seat is arranged in a circular truncated cone structure, and the threaded hole is arranged in the circular truncated cone structure of the device.
3. An end pressure anti-deformation clamp according to claim 2, wherein the mounting seat is provided with a limiting block, and the pressing plate is provided with an avoidance opening corresponding to the limiting block.
4. An end pressure anti-deformation clamp as claimed in claim 2, wherein said threaded bore extends through said clamp body and said mounting block.
5. The end pressure deformation-preventing clamp according to claim 1, further comprising a base, wherein a plurality of limiting seats are uniformly arranged on the base in a ring mode, the clamp body is arranged on the base, and the plurality of limiting seats radially limit the clamp body.
6. The end pressure deformation-preventing clamp according to claim 5, wherein the base is uniformly provided with a plurality of threaded mounting holes in a ring, the limiting seat is provided with a plurality of threaded through holes corresponding to the threaded mounting holes, and the limiting seats are combined and arranged on the base.
7. The end pressure deformation-preventing clamp according to claim 5, wherein the limiting seat is provided with an avoidance portion, and the avoidance portion is provided with an arc surface.
8. An end pressure anti-deformation clamp according to claim 5, wherein at least three limiting seats are provided.
9. The end pressure deformation-preventing clamp according to claim 5, wherein the pressing plate is provided with three ribs, the extending directions of the three ribs coincide with the axis of the pressing plate, and the three ribs are arranged corresponding to the plurality of limiting seats.
10. An end-pressure anti-deformation clamp according to claim 1, wherein the clamp body is provided in a disc configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976144.1U CN220278972U (en) | 2023-07-26 | 2023-07-26 | End pressure anti-deformation clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976144.1U CN220278972U (en) | 2023-07-26 | 2023-07-26 | End pressure anti-deformation clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220278972U true CN220278972U (en) | 2024-01-02 |
Family
ID=89328472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321976144.1U Active CN220278972U (en) | 2023-07-26 | 2023-07-26 | End pressure anti-deformation clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220278972U (en) |
-
2023
- 2023-07-26 CN CN202321976144.1U patent/CN220278972U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |