CN219819450U - Compressing device with pretightening force - Google Patents
Compressing device with pretightening force Download PDFInfo
- Publication number
- CN219819450U CN219819450U CN202321042966.2U CN202321042966U CN219819450U CN 219819450 U CN219819450 U CN 219819450U CN 202321042966 U CN202321042966 U CN 202321042966U CN 219819450 U CN219819450 U CN 219819450U
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- China
- Prior art keywords
- pressing
- rod
- pressure head
- block
- positioning
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- 238000003825 pressing Methods 0.000 claims abstract description 92
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a compressing device with pretightening force, which comprises a pressing plate, a pressing block, a pretightening assembly and a pressing head assembly, wherein the pressing block is arranged below the pressing plate, the pressing head assembly is arranged below the pressing block, the pressing block is connected with the pressing plate by utilizing a pressing rod, a fixed plate is arranged at the lower end of the pressing rod, the pretightening assembly is arranged between the fixed plate and the pressing block, and the pretightening assembly comprises a spherical gasket, a conical gasket, a disc spring and a plane gasket which are sleeved on the outer side of the lower section of the pressing rod in sequence from top to bottom. The workpiece is pressed by the pre-tightening force in the clamping process, so that the workpiece cannot freely move, the accuracy in clamping is improved, and the machining precision and the machining qualification rate of the workpiece are improved; the stability of the pre-tightening assembly is improved by utilizing the matching of the spherical gasket and the conical gasket; the utility model has simple structure, obvious use effect and high practicability.
Description
Technical Field
The utility model belongs to the technical field of tool clamps, and relates to a compressing device with pretightening force.
Background
With the development of intelligent manufacturing industry, the requirements on the machining precision of parts are higher and higher, the tool clamp is an important tool required in the workpiece machining process, and the use effect of the tool clamp has great influence on the machining time and the production cost; the compaction fixture is a tool commonly used, a workpiece can swing freely after being fed and before being compacted, the compaction process needs to be adjusted for many times to reach the purpose of accurate processing, and the fixing process is complex.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, solve the problem that the compaction process of a compaction clamp is complicated, and provide a compaction device with pretightening force.
In order to achieve the above purpose, the following technical scheme is adopted:
the compressing device with the pretightening force comprises a pressing plate, a pressing block, a pretightening assembly and a pressing head assembly, wherein the pressing block is arranged below the pressing plate, the pressing head assembly is arranged below the pressing block, the pressing block is connected with the pressing plate by utilizing a pressing rod, a fixed plate is arranged at the lower end of the pressing rod, the pretightening assembly is arranged between the fixed plate and the pressing block, and the pretightening assembly comprises a spherical gasket, a conical gasket, a disc spring and a plane gasket which are sequentially sleeved on the outer side of the lower section of the pressing rod from top to bottom;
the pressure head assembly comprises a connecting rod, a pressure head cushion block and a pressure head, wherein a connecting hole is formed in the pressure block, the connecting rod is arranged in the connecting hole, the pressure head cushion block is sleeved on the outer side of the lower end of the connecting rod, and the pressure head is in threaded connection with the lower end of the connecting rod.
Preferably, the pressure head assembly is arranged below the pressing block in a triangular distribution mode.
Preferably, a mounting hole is formed in one end of the pressing plate, and the pressing rod is mounted in the mounting hole.
Preferably, a positioning hole is formed in the pressing plate, a positioning rod is arranged in the positioning hole, a positioning pin is screwed below the positioning rod, and a positioning groove matched with the positioning pin is formed in the pressing plate.
Preferably, a spherical cushion block is arranged between the pressing plate and the pressing block, the spherical cushion block is sleeved on the outer side of the pressing rod, the whole upper end surface of the cushion block is spherical, and a groove matched with the spherical surface is formed below the pressing plate.
Preferably, the pressing block is provided with a concave hole for accommodating the pre-tightening assembly.
Preferably, the compression bar is fixed by a nut.
Compared with the prior art, the utility model has the following advantages:
the workpiece is pressed by the pre-tightening force in the clamping process, so that the workpiece cannot freely move, the accuracy in clamping is improved, and the machining precision and the machining qualification rate of the workpiece are improved; the stability of the pre-tightening assembly is improved by utilizing the matching of the spherical gasket and the conical gasket; the utility model has simple structure, obvious use effect and high practicability.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a platen structure according to the present utility model.
Fig. 3 is a schematic diagram of the structure of the briquette according to the present utility model.
In the figure: 1. a pressing plate; 2. briquetting; 3. a compression bar; 4. a fixing plate; 5. a spherical washer; 6. a conical washer; 7. a disc spring; 8. a planar gasket; 9. a connecting rod; 10. a pressure head cushion block; 11. a pressure head; 12. a connection hole; 13. positioning holes; 14. a positioning rod; 15. a positioning pin; 16. a positioning groove; 17. a spherical cushion block; 18. a groove; 19. concave holes; 20. a nut; 21. and (5) mounting holes.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1-3, the compressing device with the pretightening force comprises a pressing plate 1, a pressing block 2, a pretightening component and a pressing head component, wherein the pressing block 2 is arranged below the pressing plate 1, the pressing head component is arranged below the pressing block 2, and the pressing head component is used for compressing a workpiece;
the pressing block 2 is connected with the pressing plate 1 by utilizing the pressing rod 3, a fixing plate 4 is arranged at the lower end of the pressing rod 3, a pre-tightening assembly is arranged between the fixing plate 4 and the pressing block 2, the fixing plate 4 is used for carrying out preliminary fixing on a workpiece, and the pre-tightening assembly can carry out pre-tightening force on the fixing plate 4, so that the fixing plate 4 has a certain fixing effect on the workpiece;
the pre-tightening assembly comprises a spherical washer 5, a conical washer 6, a disc spring 7 and a plane washer 8 which are sleeved on the outer side of the lower section of the compression bar 3 in sequence from top to bottom, and the spherical washer 5 and the conical washer 6 are matched to play a role in stopping, so that the stability of the pre-tightening assembly is improved; the disc spring 7 enables the fixed plate 4 to bear a force away from the pressing block 2, and after the fixed plate 4 contacts a workpiece, the disc spring 7 enables the fixed plate 4 to press the workpiece;
the pressure head assembly comprises a connecting rod 9, a pressure head cushion block 10 and a pressure head 11, wherein a connecting hole 12 is formed in the pressure block 2, the connecting rod 9 is installed in the connecting hole 12, the pressure head cushion block 10 is sleeved on the outer side of the lower end of the connecting rod 9, the pressure head 11 is in threaded connection with the lower end of the connecting rod 9, the connecting rod 9 plays a role in installing and supporting the pressure head 11, and the pressure head cushion block 10 plays a role in limiting the pressure head 11.
Further, the pressure head components are arranged below the pressing block 2 in a triangular distribution manner, and at least 3 groups of pressure head components enable workpieces to be processed to be fixed and stable.
Further, a mounting hole 21 is formed at one end of the pressing plate 1, and the pressing rod 4 is mounted in the mounting hole 21.
Further, a positioning hole 13 is formed in the pressing plate 1, a positioning rod 14 is arranged in the positioning hole 13, a positioning pin 15 is screwed below the positioning rod 14, a positioning groove 16 which can be matched with the positioning pin 15 is formed in the pressing plate 1, and the pressing block 2 cannot rotate relative to the pressing plate 1 due to the matching of the positioning pin 15 and the positioning groove 16, so that the workpiece is fixed firmly.
Further, a spherical cushion block 17 is arranged between the pressing plate 1 and the pressing block 2, the spherical cushion block 17 is sleeved on the outer side of the pressing rod 3, the whole upper end surface of the cushion block is spherical, a groove 18 which can be matched with the spherical surface is formed below the pressing plate 1, and the groove 18 is communicated with the mounting hole 21; the spherical cushion block 17 enables the pressing block 2 to have a certain angle relative to the pressing plate 1, so that the pressing heads 7 in all the pressing head assemblies can be used for pressing workpieces.
Further, the pressing block 2 is provided with a concave hole 19 for accommodating the pre-tightening assembly.
Further, the pressing rod 3 is fixed by a nut 20.
Working principle: when the pressing plate 1 moves downwards to press a workpiece, the pressing rod 3 moves downwards along with the pressing plate, when the fixing plate 4 at the lower end of the pressing rod 3 butts against the workpiece, the pre-tightening assembly enables the fixing plate 4 to have a pre-tightening force on the workpiece, the workpiece can be pressed in advance, the workpiece is prevented from swinging or rolling, the pressing plate 1 continues to roll downwards, the disc spring 7 contracts, when the disc spring 7 contracts to a certain extent, the pressing head 7 butts against the workpiece, and the whole pressing device presses the workpiece to finish clamping work of the workpiece.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a closing device with pretightning force, includes clamp plate (1), briquetting (2), pretension subassembly and pressure head subassembly, be provided with briquetting (2) below clamp plate (1), be provided with pressure head subassembly characterized by below briquetting (2): the pressing block (2) is connected with the pressing plate (1) by utilizing the pressing rod (3), a fixed plate (4) is arranged at the lower end of the pressing rod (3), a pre-tightening assembly is arranged between the fixed plate (4) and the pressing block (2), and the pre-tightening assembly comprises a spherical gasket (5), a conical gasket (6), a disc spring (7) and a plane gasket (8) which are sleeved on the outer side of the lower section of the pressing rod (3) from top to bottom in sequence;
the pressure head assembly comprises a connecting rod (9), a pressure head cushion block (10) and a pressure head (11), wherein a connecting hole (12) is formed in the pressure block (2), the connecting rod (9) is arranged in the connecting hole (12), the pressure head (11) cushion block (10) is sleeved on the outer side of the lower end of the connecting rod (9), and the pressure head (11) is in threaded connection with the lower end of the connecting rod (9).
2. The compression device with pre-tightening force according to claim 1, wherein: the pressure head components are arranged below the pressing block (2) in a triangular distribution mode.
3. The compression device with pre-tightening force according to claim 1, wherein: one end of the pressing plate (1) is provided with a mounting hole (21), and the pressing rod is mounted in the mounting hole (21).
4. The compression device with pre-tightening force according to claim 1, wherein: the positioning device is characterized in that a positioning hole (13) is formed in the pressing plate (1), a positioning rod (14) is arranged in the positioning hole (13), a positioning pin (15) is connected below the positioning rod (14) in a threaded mode, and a positioning groove (16) which can be matched with the positioning pin (15) is formed in the pressing plate (1).
5. The compression device with pre-tightening force according to claim 1, wherein: a spherical cushion block (17) is arranged between the pressing plate (1) and the pressing block (2), the spherical cushion block (17) is sleeved on the outer side of the pressing rod (3), the whole upper end face of the cushion block is spherical, and a groove (18) which can be matched with the spherical surface is formed below the pressing plate (1).
6. The compression device with pre-tightening force according to claim 1, wherein: and the pressing block (2) is provided with a concave hole (19) for accommodating the pre-tightening assembly.
7. The compression device with pre-tightening force according to claim 1, wherein: the compression bar (3) is fixed by a nut (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042966.2U CN219819450U (en) | 2023-05-04 | 2023-05-04 | Compressing device with pretightening force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042966.2U CN219819450U (en) | 2023-05-04 | 2023-05-04 | Compressing device with pretightening force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219819450U true CN219819450U (en) | 2023-10-13 |
Family
ID=88245103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321042966.2U Active CN219819450U (en) | 2023-05-04 | 2023-05-04 | Compressing device with pretightening force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219819450U (en) |
-
2023
- 2023-05-04 CN CN202321042966.2U patent/CN219819450U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |