CN220807005U - Clamping mechanism for pre-clamping - Google Patents
Clamping mechanism for pre-clamping Download PDFInfo
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- CN220807005U CN220807005U CN202322306701.5U CN202322306701U CN220807005U CN 220807005 U CN220807005 U CN 220807005U CN 202322306701 U CN202322306701 U CN 202322306701U CN 220807005 U CN220807005 U CN 220807005U
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- fixedly connected
- clamping
- clamping mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 239000007787 solid Substances 0.000 claims abstract description 8
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model discloses a pre-clamping mechanism which comprises a base, wherein the upper surface of the base is fixedly connected with a main body, the upper surface of the main body is fixedly connected with a supporting plate, the inner side of the supporting plate is fixedly connected with a supporting rod, the surface of the supporting rod is rotatably connected with a connecting block, the surface of the connecting block is fixedly connected with a supporting arm, a clamping device is arranged above the main body and comprises a fixed block, a connecting shaft, a clamping jaw and a second gasket, the inner bottom of the main body is fixedly connected with a fixed rod, and the surface of the fixed rod is slidably connected with a sliding rod. Through above-mentioned structure, through setting up connecting rod, slide bar, solid fixed ring, slip ring and support arm and providing the multiple support to the work piece, can be before the centre gripping work piece with clamping device pretension in advance, can reduce clamping in-process adjustment time like this, improve machining efficiency, improve the stability and the accuracy of centre gripping, reduced the complexity and the degree of difficulty of operation.
Description
Technical Field
The utility model relates to the technical field of clamping mechanisms, in particular to a pre-clamping mechanism.
Background
Casing machining is a process for manufacturing and machining casings. The sleeve is a hollow cylindrical part, usually made of metal or plastic material, with two cylindrical surfaces of different diameters, the importance of the clamping mechanism being not negligible during the sleeve machining process. The clamping mechanism is a device for fixing and clamping the sleeve workpiece, is important to realizing stable machining process and high-precision machining result, and can provide stable clamping for the sleeve workpiece and prevent the workpiece from displacement, shaking or rotation in the machining process. The stable clamping can ensure accurate workpiece positioning in the processing process, and avoid processing errors and poor processing results.
In the traditional sleeve machining process, the clamping mechanism generally has no pre-clamping function, and because the clamping mechanism has no pre-clamping function, the traditional clamping mechanism can need more time for adjusting and stabilizing the clamping force, so that the machining efficiency is reduced, the machining period is prolonged, the clamping mechanism lacking the pre-clamping function requires an operator to manually adjust the clamping force in the machining process so as to ensure stable clamping of a workpiece, the complexity and difficulty of operation are increased, and the possibility of human errors is also increased.
Disclosure of utility model
The utility model provides a pre-clamping mechanism which can effectively solve the problems.
In order to achieve the above-mentioned purpose, provide a clamping mechanism of pre-clamping, the on-line screen storage device comprises a base, the last fixed surface of base is connected with the main part, the hole groove has been seted up to the upper surface of main part, the last fixed surface of main part is connected with the backup pad, the backup pad is located the both sides of hole groove, the inboard fixedly connected with bracing piece of backup pad, the surface rotation of bracing piece is connected with the connecting block, the fixed surface of connecting block is connected with the support arm, support arm sliding connection is in the inside of hole groove, the lower fixed surface of support arm is connected with the stopper, the fixed surface of connecting block is connected with the arm, the arm is located the top of support arm, the top of main part is provided with clamping device, clamping axle, clamping jaw and second gasket, the inner bottom fixedly connected with dead lever of main part, the surface sliding connection of dead lever has the slide bar, the top of slide bar extends to the outside of main part, the upper surface fixedly connected with first gasket of slide bar, the surface and be close to bottom edge fixedly connected with solid fixed ring, the slide bar surface and be close to the connecting rod, the fixed surface of slide bar is the right side edge fixedly connected with the connecting rod, the end is the connecting rod, the fixed surface is connected with the connecting rod through the round pin axle, the fixed connection is the right side edge is located the slide ring. Through setting up connecting rod, slide bar, solid fixed ring, slip ring and support arm and providing the multiple support to the work piece, can be before the centre gripping work piece with clamping device pretension in advance, ensure can provide sufficient clamping force in actual centre gripping in-process, can reduce friction and unstable factor in the centre gripping in-process like this, improve the stability and the accuracy of centre gripping, this kind of multiple support can effectively prevent the displacement or the slope of work piece, improves the precision and the reliability of centre gripping.
According to the pre-clamping mechanism, the fixing block is fixedly connected with the clamping arm, a groove is formed in the middle of the clamping jaw, and the fixing block is movably connected inside the groove of the clamping jaw. And the clamping jaw is used for clamping a workpiece.
According to the pre-clamping mechanism, the connecting shaft penetrates through the fixed block and the clamping jaw, and the inner side of the clamping jaw is fixedly connected with the second gasket. By providing a second spacer, a fixed connection is provided on the clamping jaw providing a stable workpiece support.
According to the pre-clamping mechanism, the cross section of the upper part of the supporting arm is square, and the cross section of the lower part of the supporting arm is round. By arranging the supporting arm, the clamping device is supported.
According to the pre-clamping mechanism, the cross sections of the fixed ring and the sliding ring are circular rings, and the surface of the sliding rod is provided with a spring. By arranging the sliding ring, the supporting arm is connected inside the sliding ring in a sliding way, so that the sliding ring can swing in the vertical direction.
According to the pre-clamping mechanism, the top end of the spring is fixedly connected with the first gasket, and the lower end of the spring is fixedly connected to the upper surface of the main body. By providing a spring, an upward restoring force is provided.
According to the pre-clamping mechanism, the number of the hole grooves, the number of the supporting plates and the number of the clamping devices are two, the two holes are distributed in a bilateral symmetry mode, and the number of the second gaskets is multiple and distributed in an up-down symmetry mode. The device has symmetry and balance through the bilateral symmetry distribution of the hole grooves, the supporting plate, the connecting rod and the second gasket, is favorable for keeping the stability of the device and the uniform distribution of the clamping force, and avoids the deflection or instability caused by unbalance
The utility model has the beneficial effects that:
1. Through setting up connecting rod, slide bar, solid fixed ring, slip ring and support arm and providing the multiple support to the work piece, can be before the centre gripping work piece with clamping device pretension in advance, ensure can provide sufficient clamping force in actual centre gripping in-process, can reduce clamping in-process adjustment time like this, improve machining efficiency, improve the stability and the accuracy of centre gripping, reduced the complexity and the degree of difficulty of operation, also reduced human error's possibility.
2. Through setting up the spring and can provide ascending restoring force, reduce the manual adjustment demand to operating personnel, the bilateral symmetry distributes of hole groove, backup pad, connecting rod and second gasket for the device has symmetry and equilibrium, helps keeping the stability of device and the evenly distributed of clamping force, avoids the skew or the unstable phenomenon that cause because of the unbalance.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view of the external structure of a pre-clamping mechanism of the present utility model;
FIG. 2 is an elevational view of the exterior structure of a pre-clamping mechanism of the present utility model;
FIG. 3 is a left side view of the outer structure of a pre-clamping mechanism of the present utility model;
Fig. 4 is a schematic view showing the internal structure of a body of a pre-clamping mechanism according to the present utility model.
Fig. 5 is a perspective view showing the internal structure of a body of a pre-clamping mechanism according to the present utility model.
Legend description:
1. A base; 2. a main body; 3. a hole groove; 4. a support plate; 5. a support rod; 6. a clamp arm; 7. a support arm; 8. a connecting block; 9. a fixed rod; 10. a slide bar; 11. a fixing ring; 12. a connecting rod; 13. a slip ring; 14. a limiting block; 15. a spring; 16. a first gasket; 17. a fixed block; 18. a connecting shaft; 19. a clamping jaw; 20. a second gasket; 21. and a clamping device.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, the pre-clamping mechanism according to the embodiment of the utility model comprises a base 1, wherein a main body 2 is fixedly connected to the upper surface of the base 1, a hole groove 3 is formed in the upper surface of the main body 2, a supporting plate 4 is fixedly connected to the upper surface of the main body 2, the supporting plate 4 is positioned on two sides of the hole groove 3, a supporting rod 5 is fixedly connected to the inner side of the supporting plate 4, a connecting block 8 is rotatably connected to the surface of the supporting rod 5, a supporting arm 7 is fixedly connected to the surface of the connecting block 8, the supporting arm 7 is slidably connected to the inside of the hole groove 3, a limiting block 14 is fixedly connected to the lower surface of the supporting arm 7, a clamping arm 6 is fixedly connected to the surface of the connecting block 8, and the clamping arm 6 is positioned above the supporting arm 7.
The inner bottom fixedly connected with dead lever 9 of main part 2, the surface sliding connection of dead lever 9 has slide bar 10, the top of slide bar 10 extends to the outside of main part 2, the last surface fixedly connected with first gasket 16 of slide bar 10, the surface of slide bar 10 just is close to bottom edge fixedly connected with solid fixed ring 11, gu fixed ring 11's surface fixedly connected with connecting rod 12, connecting rod 12 quantity is two and is bilateral symmetry and distributes, the other end of connecting rod 12 is connected with slide ring 13 through the round pin axle rotation, support arm 7 sliding connection is in the inside of slide ring 13, the cross-section shape of support arm 7 upper portion is square, the cross-section shape of lower part is circular, the cross-section shape of solid fixed ring 11 and slide ring 13 is the ring, the surface of slide bar 10 is provided with spring 15, the top and the first gasket 16 fixed connection of spring 15, the lower extreme fixed connection of spring 15 is on the upper surface of main part 2.
The top of main part 2 is provided with clamping device 21, clamping device 21 includes fixed block 17, connecting axle 18, clamping jaw 19 and second gasket 20, fixed block 17 and arm lock 6 fixed connection, clamping jaw 19 middle part is equipped with the recess, fixed block 17 swing joint is inside the recess of clamping jaw 19, connecting axle 18 runs through fixed block 17 and clamping jaw 19, clamping jaw 19's inboard fixedly connected with second gasket 20, hole groove 3, backup pad 4 and clamping device 21 quantity are two and be bilateral symmetry distribution, second gasket 20 quantity has a plurality of and is upper and lower symmetry distribution.
Working principle:
Before the mechanism works, the clamping device 21 is in a loosening state, the clamping jaw 19 is in an opening state, an operator places a sleeve to be clamped between the clamping jaws 19 of the clamping device 21, the first gasket 16 is in contact with the sleeve, the operator releases the sleeve, the first gasket 16 is pushed downwards due to the self gravity of the sleeve, the sliding rod 10 and the fixed ring 11 are moved downwards together by pushing the first gasket 16, the spring 15 is compressed, the connecting rod 12 and the sliding ring 13 are also moved downwards, the supporting arm 7 is moved outwards, the clamping arm 6 is driven to move inwards, the clamping device 21 is moved downwards, the fixed block 17 and the connecting shaft 18 are moved downwards together, the clamping jaw 19 is also moved downwards, the workpiece is clamped by the clamping jaw 19 and kept in a stable position, and at the moment, the workpiece is subjected to clamping force and is fixed in the clamping mechanism.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. The utility model provides a clamping mechanism of pre-clamping, its characterized in that, including base (1), the upper surface fixedly connected with main part (2) of base (1), hole groove (3) have been seted up to the upper surface of main part (2), the upper surface fixedly connected with backup pad (4) of main part (2), backup pad (4) are located the both sides of hole groove (3), the inboard fixedly connected with bracing piece (5) of backup pad (4), the surface rotation of bracing piece (5) is connected with connecting block (8), the surface fixedly connected with support arm (7) of connecting block (8), the inside at hole groove (3) is connected with stopper (14) to support arm (7) sliding connection, the surface fixedly connected with clamp arm (6) of connecting block (8), clamp arm (6) are located the top of support arm (7), the top of main part (2) is provided with clamping device (21), clamping device (21) include fixed block (17), connecting axle (18), connecting block (19) and second inner bottom (20) and clamping jaw (9) sliding connection rod (9) fixed surface fixed rod (9), the top of slide bar (10) extends to the outside of main part (2), the upper surface fixedly connected with first gasket (16) of slide bar (10), the surface of slide bar (10) just is close to bottom edge fixedly connected with solid fixed ring (11), the fixed surface fixedly connected with connecting rod (12) of solid fixed ring (11), connecting rod (12) quantity is two and is bilateral symmetry and distributes, the other end of connecting rod (12) is connected with slip ring (13) through the round pin axle rotation, support arm (7) sliding connection is in the inside of slip ring (13).
2. The pre-clamping mechanism according to claim 1, wherein the fixing block (17) is fixedly connected with the clamping arm (6), a groove is formed in the middle of the clamping jaw (19), and the fixing block (17) is movably connected inside the groove of the clamping jaw (19).
3. A pre-clamping mechanism according to claim 2, characterized in that the connecting shaft (18) penetrates the fixed block (17) and the clamping jaw (19), and a second gasket (20) is fixedly connected to the inner side of the clamping jaw (19).
4. A pre-clamping mechanism according to claim 1, characterized in that the support arm (7) has a square cross-sectional shape in the upper part and a circular cross-sectional shape in the lower part.
5. A pre-clamping mechanism according to claim 1, characterized in that the cross-sectional shape of the stationary ring (11) and the sliding ring (13) is circular, and the surface of the sliding rod (10) is provided with springs (15).
6. A pre-clamping mechanism according to claim 5, wherein the top end of the spring (15) is fixedly connected to the first spacer (16), and the lower end of the spring (15) is fixedly connected to the upper surface of the main body (2).
7. A pre-clamping mechanism according to claim 3, wherein the number of the holes (3), the number of the support plates (4) and the number of the clamping devices (21) are two and are distributed symmetrically left and right, and the number of the second gaskets (20) is a plurality and is distributed symmetrically up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306701.5U CN220807005U (en) | 2023-08-28 | 2023-08-28 | Clamping mechanism for pre-clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306701.5U CN220807005U (en) | 2023-08-28 | 2023-08-28 | Clamping mechanism for pre-clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220807005U true CN220807005U (en) | 2024-04-19 |
Family
ID=90699034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322306701.5U Active CN220807005U (en) | 2023-08-28 | 2023-08-28 | Clamping mechanism for pre-clamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220807005U (en) |
-
2023
- 2023-08-28 CN CN202322306701.5U patent/CN220807005U/en active Active
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