CN216706712U - Pretensioning clamping mechanism for stress relief - Google Patents
Pretensioning clamping mechanism for stress relief Download PDFInfo
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- CN216706712U CN216706712U CN202220206847.5U CN202220206847U CN216706712U CN 216706712 U CN216706712 U CN 216706712U CN 202220206847 U CN202220206847 U CN 202220206847U CN 216706712 U CN216706712 U CN 216706712U
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- mounting platform
- clamping jaw
- clamping
- jaw
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Abstract
The utility model provides a pretensioning clamping mechanism for stress relief, which comprises: mounting bracket and follow the pneumatic cylinder that the first direction set gradually, activity clamping jaw and fixed clamping jaw, the mounting bracket is including the upper and lower two-layer platform that links to each other, the cylinder body of pneumatic cylinder is fixed at upper platform, the piston rod of pneumatic cylinder links to each other with the activity clamping jaw, the activity clamping jaw is L type and is located between the upper and lower two-layer platform, the activity clamping jaw includes locking end and clamping end, the setting is extended along the first direction to the locking end, can insert with sliding along the first direction and establish in second mounting platform, the first direction of second direction perpendicular to, the clamping end extends the setting along the second direction, fixed clamping jaw fixes the upper surface at lower floor's platform. According to the pre-tensioning clamping mechanism, the L-shaped movable clamping jaw is arranged to hook the mounting frame, so that damage to the hydraulic cylinder caused by relative deviation of the cylinder body and the piston rod of the hydraulic cylinder during pre-tensioning is prevented, the service life of the hydraulic cylinder is greatly prolonged, the clamping stability during pre-tensioning is improved, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of clamping, and particularly relates to a pre-tensioning clamping mechanism for stress relief.
Background
When the mechanical stretching method is adopted for eliminating stress of the long strip-shaped products, because the natural bending conditions of each long strip-shaped product are different, in order to efficiently and stably eliminate the stress of a plurality of products, the single product is firstly pre-tensioned respectively to ensure that the initial stress states are the same, and then is stretched together, so that the production efficiency is greatly improved.
At present, in order to guarantee that a product can be clamped when being pretensioned, a hydraulic cylinder is generally adopted to provide clamping power. The pneumatic cylinder body is fixed on the mounting bracket, and the pneumatic cylinder piston rod links to each other with the activity clamping jaw is fixed, and the pneumatic cylinder body moves back along with the mounting bracket together when pretension, and activity clamping jaw and pneumatic cylinder piston rod receive the forward frictional force of rectangular form product, consequently can take place relative skew between pneumatic cylinder piston rod and the pneumatic cylinder body to lead to the pneumatic cylinder to damage easily, often need maintain the change, influence production efficiency.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a pretensioning clamping mechanism for stress relief, which solves the problem that a hydraulic cylinder is easy to damage during pretensioning clamping.
The utility model provides a pretensioning clamping mechanism for stress relief, which comprises: the hydraulic cylinder comprises a cylinder body and a piston rod, the cylinder body is fixed on the upper surface of the first mounting platform, the piston rod penetrates through the first mounting platform along the first direction and then is connected with the movable clamping jaw, the movable clamping jaw is L-shaped and is positioned between the first mounting platform and the second mounting platform, the movable clamping jaw comprises a stopping end and a clamping end, the stopping end extends along the first direction and can be inserted into the second mounting platform in a sliding manner along the first direction to ensure that the movable clamping jaw and the mounting frame are relatively static in the second direction, the second direction is perpendicular to the first direction, and the clamping end extends along the second direction and is used for being matched with the fixed clamping jaw to clamp the long-strip-shaped product under the action of the hydraulic cylinder, and the fixed clamping jaw is fixed on the upper surface of the second mounting platform.
Optionally, the first mounting platform, the connecting plate and the second mounting platform are integrally formed components.
Optionally, the fixed jaw and the second mounting platform are integrally formed components.
Optionally, the stop end abuts against the connecting plate and the second mounting platform on both sides in the second direction, respectively.
Optionally, the stop end is inserted into the second mounting platform all the time in the clamping process.
Optionally, the upper surface of the second mounting platform is further provided with a limiting boss, and the limiting boss abuts against the stop end to prevent the strip-shaped product from being inserted too deeply.
Preferably, the lower surface of the stop end is close to the second mounting platform, and the hydraulic cylinder just reaches the maximum working stroke.
Optionally, the movable clamping jaw is detachably fixed on a piston rod of the hydraulic cylinder.
Optionally, the lower surface of the clamping end of the movable clamping jaw and the upper surface of the fixed clamping jaw are both provided with toothed anti-slip structures.
Optionally, the width of the mounting frame in the third direction is equal to the width of the hydraulic cylinder, the movable clamping jaw and the fixed clamping jaw in the third direction, and the third direction, the first direction and the second direction are perpendicular to each other.
Compared with the prior art, the pre-tensioning clamping mechanism for stress relief has the advantages that the L-shaped movable clamping jaw is arranged to hook the mounting frame, so that damage to the hydraulic cylinder caused by relative offset of the cylinder body and the piston rod of the hydraulic cylinder during pre-tensioning is prevented, the service life of the hydraulic cylinder is greatly prolonged, the clamping stability during pre-tensioning is improved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a pre-tensioning clamping mechanism for stress relief at a viewing angle according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pre-tensioning fixture for stress relief from another perspective according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a pre-tensioning fixture for relieving stress in another view according to an embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, 2 and 3, the present invention provides a pre-tensioning clamping mechanism 100 for relieving stress, including: the mounting bracket 1 and along the pneumatic cylinder 2, activity clamping jaw 3 and the fixed clamping jaw 4 that first direction X set gradually.
The mounting frame 1 comprises a first mounting platform 11, a connecting plate 12 and a second mounting platform 13 which are sequentially arranged along a first direction X, wherein the connecting plate 12 is located on the same side of the first mounting platform 11 and the second mounting platform 13 and is used for fixing the first mounting platform 11 and the second mounting platform 13.
The hydraulic cylinder 2 comprises a cylinder body 21 and a piston rod 22, the cylinder body 21 is fixed on the upper surface of the first mounting platform 11, and the piston rod 22 penetrates through the first mounting platform 11 along a first direction X and then is connected with the movable clamping jaw 3.
The fixed jaw 4 is fixed to the upper surface of the second mounting platform 13.
Optionally, the first mounting platform 11, the connecting plate 12 and the second mounting platform 13 are integrally formed members. The integrated mounting bracket 1 is more stable and firm.
Optionally, the fixed jaw 4 and the second mounting platform 13 are integrally formed. Namely, the fixed clamping jaw 4 is directly processed on the second mounting platform 13, so that the clamping structure is more stable in clamping.
Alternatively, the stop end 31 abuts against the connecting plate 12 and the second mounting platform 13 on both sides in the second direction Y, respectively. This saves space and the connecting plate 12 guides the movement of the movable jaw 3 in the first direction X.
Optionally, the stopping end 31 is inserted into the second mounting platform 13 all the time during the clamping process, and is not separated from the second mounting platform 13. The structure facilitates the up-and-down movement of the movable clamping jaw 3 during clamping at each time, so that the clamping process is more stable.
Optionally, the upper surface of the second mounting platform 13 is further provided with a limiting boss 41, and the limiting boss 41 abuts against the stopping end 31 to prevent the long strip product from being inserted too deeply. This arrangement prevents the product and waste materials from entering the space in which the stopper end 31 is inserted in the second mounting platform 13.
Preferably, the lower surface of the stop end 31 is just at the maximum working stroke of the hydraulic cylinder 2 when abutting against the second mounting platform 13. Each dwell at the maximum operating stroke contributes to an increase in the service life and stability of the hydraulic cylinder 2.
Alternatively, the movable jaw 3 is detachably fixed to the piston rod 22. Thus, the movable clamping jaw 3 is convenient to disassemble, assemble and maintain.
The lower surface of the clamping end 32 of the optional movable clamping jaw 3 and the upper surface of the fixed clamping jaw 4 are both provided with toothed anti-slip structures. The anti-slip structure can be arranged to better clamp the product.
Optionally, the width of the mounting bracket 1 in the third direction Z is equal to the width of the hydraulic cylinder 2, the movable jaw 3 and the fixed jaw 4 in the third direction Z, and the third direction Z, the first direction X and the second direction Y are perpendicular to each other. Such a layout arrangement may provide better space savings.
The operation principle of the pretensioning clamping mechanism of the embodiment of the utility model is as follows:
after the long-strip-shaped product 101 is placed, the hydraulic cylinder 2 is started to press down along the first direction X, so that the clamping end 32 of the movable clamping jaw 3 and the fixed clamping jaw 4 are matched to clamp the long-strip-shaped product, and meanwhile, the stopping end 31 is just inserted into the second mounting platform 13 of the mounting frame 1 along the first direction X. After clamping is completed, the mounting frame 1 moves along the second direction Y to pre-tension the strip-shaped product 102, and at the moment, the hydraulic cylinder body 21 and the stop end 31 which are installed on the mounting frame 1 are inserted into the movable clamping jaw 3 in the second mounting platform 13 to synchronously move along with the mounting frame 1.
According to the pre-tensioning clamping mechanism for stress relief, the mounting frame is hooked by the L-shaped movable clamping jaw, so that damage to the hydraulic cylinder caused by relative offset of the cylinder body and the piston rod of the hydraulic cylinder during pre-tensioning is prevented, the service life of the hydraulic cylinder is greatly prolonged, the clamping stability during pre-tensioning is improved, and the production efficiency is improved.
The present invention has been described in relation to the above embodiments, which are only examples of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. The utility model provides a stress-relieving is with pretensioning clamping machine constructs which characterized in that includes: the mounting rack, and a hydraulic cylinder, a movable clamping jaw and a fixed clamping jaw which are sequentially arranged along a first direction;
the mounting frame comprises a first mounting platform, a connecting plate and a second mounting platform which are sequentially arranged along the first direction, wherein the connecting plate is positioned on the same side of the first mounting platform and the second mounting platform and is used for connecting and fixing the first mounting platform and the second mounting platform;
the hydraulic cylinder comprises a cylinder body and a piston rod, the cylinder body is fixed on the upper surface of the first mounting platform, and the piston rod penetrates through the first mounting platform along the first direction and then is connected with the movable clamping jaw;
the movable clamping jaw is L-shaped and is positioned between the first mounting platform and the second mounting platform, the movable clamping jaw comprises a stopping end and a clamping end, the stopping end extends along the first direction and can be inserted into the second mounting platform in a sliding manner along the first direction so as to ensure that the movable clamping jaw and the mounting rack are relatively static in the second direction, the second direction is perpendicular to the first direction, and the clamping end extends along the second direction and is used for being matched with the fixed clamping jaw to clamp a strip-shaped product under the action of the hydraulic cylinder;
the fixed clamping jaw is fixed on the upper surface of the second mounting platform.
2. A pre-tensioning clamp according to claim 1 wherein the first mounting platform, the web and the second mounting platform are integrally formed components.
3. A pre-tensioning clamp according to claim 1 wherein the fixed jaw is an integral component of the second mounting platform.
4. A pre-tensioning clamp according to claim 1 wherein the stop end abuts the web and the second mounting platform on either side in the second direction.
5. A pre-tensioning clamp according to claim 1 wherein the stop end is always inserted into the second mounting platform during clamping.
6. A pre-tensioning clamp according to claim 1 wherein the upper surface of the second mounting platform is further provided with a stop boss, and the stop boss abuts the stop end to prevent the elongate product from being inserted too far.
7. A pre-tensioning clamp according to claim 6 wherein the hydraulic cylinder reaches a maximum working stroke when the lower surface of the stop end abuts the second mounting platform.
8. A pre-tensioning clamp according to claim 1 wherein the movable jaw is releasably secured to the piston rod of the hydraulic cylinder.
9. A pre-tensioning clamp according to claim 1 wherein the lower surface of the clamping end of the movable jaw and the upper surface of the fixed jaw are provided with toothed anti-slip formations.
10. The pre-tensioning clamp of claim 1 wherein the mounting bracket has a width in a third direction equal to the width of the hydraulic cylinder, the movable jaw and the fixed jaw in the third direction, the first direction and the second direction being perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220206847.5U CN216706712U (en) | 2022-01-26 | 2022-01-26 | Pretensioning clamping mechanism for stress relief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220206847.5U CN216706712U (en) | 2022-01-26 | 2022-01-26 | Pretensioning clamping mechanism for stress relief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216706712U true CN216706712U (en) | 2022-06-10 |
Family
ID=81874073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220206847.5U Active CN216706712U (en) | 2022-01-26 | 2022-01-26 | Pretensioning clamping mechanism for stress relief |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216706712U (en) |
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2022
- 2022-01-26 CN CN202220206847.5U patent/CN216706712U/en active Active
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