CN219495943U - Tensile sample fixing and clamping device simple and convenient to detach - Google Patents
Tensile sample fixing and clamping device simple and convenient to detach Download PDFInfo
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- CN219495943U CN219495943U CN202320559246.7U CN202320559246U CN219495943U CN 219495943 U CN219495943 U CN 219495943U CN 202320559246 U CN202320559246 U CN 202320559246U CN 219495943 U CN219495943 U CN 219495943U
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Abstract
A tensile sample fixing and clamping device which is simple and convenient to detach. The clamping jaw comprises an oil cylinder piston, a spring, a base wedge edge, a jaw clamping end and a base, wherein the oil cylinder piston is arranged on the base, the oil cylinder piston and the spring are connected with the jaw clamping end, the jaw clamping end is connected on the base, the base is provided with the base wedge edge, and the jaw clamping end is in clearance fit with the base wedge edge. The utility model has the beneficial effects that: the fixing and clamping device has fewer structures and simpler overall structure; on the premise of unchanged material, the fixed clamping device only needs to process the jaw and slot the oil cylinder piston, so that the processing amount is less and simple, and the processing cost is lower; the fixing and clamping device is simpler, only one wedge-shaped edge has resistance in the clamping movement process, extrusion deformation caused by unbalanced stress of a plurality of resistances is reduced, the situation of damaging the testing machine occurs, and the service life is prolonged.
Description
Technical Field
The utility model relates to a fixing and clamping device, in particular to a tensile sample fixing and clamping device which is simple and convenient to detach.
Background
The clamping mode of the jaw of the tensile testing machine is divided into a horizontal pushing clamping mode and a wedge clamping mode, because the wedge clamping can generate pulling force by means of a wedge-shaped cross beam, the tensile testing machine has great cost advantage in actual production, most of the existing laboratory adopts the wedge-shaped tensile testing machine, the clamping device of the existing wedge-shaped tensile testing machine needs to adopt more accessories, and generally needs to be composed of 2 sliding plates with guide grooves and dovetail grooves, 4 pressing plates with guide grooves, 20 bolts, 4 springs and 2 jaws, wherein 32 accessories are totally arranged, the sliding plates slide up and down in the guide grooves of the fixed pressing plates, and the dovetail grooves clamp the jaw dovetails to drive the jaws to slide up and down for clamping and loosening the sample. When the stretching force is unbalanced in the stretching process, once the dovetail groove or the guide groove is extruded and deformed, the jaw or the guide is blocked to fail, and the tester is damaged. Because of the large number of accessories, the jaw needs to be detached and installed every time, and the procedures are complicated and time and labor are wasted.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the utility model provides the tensile sample fixing and clamping device which is simple and convenient to detach, the fixing and clamping device has fewer structures and simpler overall structure; on the premise of unchanged material, the fixed clamping device only needs to process the jaw and slot the oil cylinder piston, so that the processing amount is less and simple, and the processing cost is lower; the fixing and clamping device is simpler, only one wedge-shaped edge has resistance in the clamping movement process, extrusion deformation caused by unbalanced stress of a plurality of resistances is reduced, the situation of damaging the testing machine occurs, and the service life is prolonged.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fixed clamping device of tensile sample of simple convenient to detach, it includes hydro-cylinder piston 1, spring 3, base wedge 5, keeps silent clamping end 6, base 7, hydro-cylinder piston 1 sets up on base 7, and hydro-cylinder piston 1 and spring 3 are connected with keep silent clamping end 6, keep silent clamping end 6 and connect on base 7, be equipped with base wedge 5 on the base 7, and keep silent clamping end 6 and base wedge 5 clearance fit.
Further, one side surface of the jaw clamping end 6 is a vertical clamping edge 6-1, the other side surface of the jaw clamping end 6 is a jaw wedge-shaped edge 6-2, an included angle A exists between the vertical clamping edge 6-1 and the jaw wedge-shaped edge 6-2, and the included angle A is 30 degrees.
Further, an included angle B is formed between the stretching direction and the vertical direction of the spring 3, and the included angle B is 45 °.
Further, a piston bolt column 2 is arranged on the oil cylinder piston 1.
Further, a jaw bolt column 4 is arranged on the jaw clamping end 6.
Further, the jaw clamping end 6 is provided with a jaw clamping groove 601 for enhancing the jogging ability of the jaw clamping end 6.
After the technical scheme is adopted, the utility model has the beneficial effects that: the fixing and clamping device has the following advantages:
1. the fixing and clamping device has fewer structures and simpler overall structure;
2. on the premise of unchanged material, the fixed clamping device only needs to process the jaw and slot the oil cylinder piston, so that the processing amount is less and simple, and the processing cost is lower;
3. the fixing and clamping device is simpler, only one wedge-shaped edge has resistance in the clamping movement process, extrusion deformation caused by unbalanced stress of a plurality of resistances is reduced, the situation of damaging the testing machine occurs, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the jaw clamping end 6 in the present utility model.
Fig. 3 is a schematic left-view diagram corresponding to fig. 2.
Fig. 4 is a schematic front view of the jaw clamping end 6 of the present utility model.
Reference numerals illustrate: the device comprises an oil cylinder piston 1, a piston bolt column 2, a spring 3, a jaw bolt column 4, a base wedge-shaped edge 5, a jaw clamping end 6, a base 7, a jaw clamping groove 601, a vertical clamping edge 6-1 and a jaw wedge-shaped edge 6-2.
Detailed Description
Referring to fig. 1 to 4, the technical scheme adopted in this embodiment is as follows: the clamping jaw comprises an oil cylinder piston 1, a spring 3, a base wedge edge 5, a jaw clamping end 6 and a base 7, wherein the oil cylinder piston 1 is arranged on the base 7, the oil cylinder piston 1 and the spring 3 are connected with the jaw clamping end 6, the jaw clamping end 6 is connected to the base 7, the base 7 is provided with the base wedge edge 5, and the jaw clamping end 6 is in clearance fit with the base wedge edge 5.
More specifically, one side surface of the jaw clamping end 6 is a vertical clamping edge 6-1, the other side surface of the jaw clamping end 6 is a jaw wedge-shaped edge 6-2, and an included angle A is formed between the vertical clamping edge 6-1 and the jaw wedge-shaped edge 6-2 and is 30 degrees. The included angle between the base wedge-shaped edge 5 and the vertical clamping edge 6-1 is 30 degrees, so that the included angle between the base wedge-shaped edge 5 and the vertical clamping edge 6-1 is equal, and the jaw right-angle edge of the jaw clamping end 6 can be ensured to be in the vertical direction when the jaw wedge-shaped edge 6-2 is overlapped with the base wedge-shaped edge 5.
More specifically, an included angle B exists between the stretching direction of the spring 3 and the vertical direction, and the included angle B is 45 °. The included angle of 45 degrees can ensure that the jaw clamping end 6 is not separated from the oil cylinder piston 1, so that the jaw wedge-shaped edge 6-2 can move along the base wedge-shaped edge 5, and the vertical clamping edge 6-1 of the jaw clamping end 6 always maintains a vertical clamping state.
More specifically, the cylinder piston 1 is provided with a piston bolt post 2. The piston bolt column 2 is used for fixing the upper end of the spring 3 on the oil cylinder piston 1, and a worker can adjust the tightness between the spring 3 and the oil cylinder piston 1 by adjusting the piston bolt column 2.
More specifically, the jaw clamping end 6 is provided with a jaw bolt post 4. The lower end of the spring 3 is fixed on the jaw clamping end 6 through a jaw bolt column 4, and a worker can adjust the jaw bolt column 4, so that the tightness of the spring 3 and the jaw clamping end 6 is adjusted.
More specifically, the jaw clamping end 6 is provided with a jaw clamping groove 601 for enhancing the jogging ability of the jaw clamping end 6.
The working principle of the utility model is as follows: when the fixed clamping operation is performed, the oil cylinder piston 1 drives the jaw clamping end 6 to downwards, the jaw wedge-shaped edge 6-2 of the jaw clamping end 6 is extruded downwards and inwards simultaneously along the base wedge-shaped edge 5, the clamping operation is performed by utilizing the jaw clamping groove 601 and the clamping edge, and the spring 3 can ensure that the oil cylinder piston 1 and the jaw clamping end 6 cannot fall off and ensure that the vertical clamping edge 6-1 of the jaw clamping end 6 always maintains a vertical clamping state during the clamping operation.
The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. A tensile sample fixing and clamping device simple and convenient to detach is characterized in that: the novel clamping device comprises an oil cylinder piston (1), a spring (3), a base wedge edge (5), a clamping end (6) of a jaw and a base (7), wherein the oil cylinder piston (1) is arranged on the base (7), the oil cylinder piston (1) and the spring (3) are connected with the clamping end (6) of the jaw, the clamping end (6) of the jaw is connected onto the base (7), the base wedge edge (5) is arranged on the base (7), and the clamping end (6) of the jaw is in clearance fit with the base wedge edge (5).
2. The tensile specimen fixing and clamping device which is simple and convenient to detach according to claim 1, wherein: one side surface of the jaw clamping end (6) is a vertical clamping edge (6-1), the other side surface of the jaw clamping end (6) is a jaw wedge-shaped edge (6-2), an included angle A is formed between the vertical clamping edge (6-1) and the jaw wedge-shaped edge (6-2), and the included angle A is 30 degrees.
3. The tensile specimen fixing and clamping device which is simple and convenient to detach according to claim 1, wherein: an included angle B exists between the stretching direction and the vertical direction of the spring (3), and the included angle B is 45 degrees.
4. The tensile specimen fixing and clamping device which is simple and convenient to detach according to claim 1, wherein: the oil cylinder piston (1) is provided with a piston bolt column (2).
5. The tensile specimen fixing and clamping device which is simple and convenient to detach according to claim 1, wherein: the jaw clamping end (6) is provided with a jaw bolt column (4).
6. The tensile specimen fixing and clamping device which is simple and convenient to detach according to claim 1, wherein: the jaw clamping end (6) is provided with a jaw clamping groove (601) for enhancing the jogging capability of the jaw clamping end (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320559246.7U CN219495943U (en) | 2023-03-21 | 2023-03-21 | Tensile sample fixing and clamping device simple and convenient to detach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320559246.7U CN219495943U (en) | 2023-03-21 | 2023-03-21 | Tensile sample fixing and clamping device simple and convenient to detach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219495943U true CN219495943U (en) | 2023-08-08 |
Family
ID=87512245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320559246.7U Active CN219495943U (en) | 2023-03-21 | 2023-03-21 | Tensile sample fixing and clamping device simple and convenient to detach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219495943U (en) |
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2023
- 2023-03-21 CN CN202320559246.7U patent/CN219495943U/en active Active
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