CN217542625U

CN217542625U - Universal clamp for material testing machine

Info

Publication number: CN217542625U
Application number: CN202220449396.8U
Authority: CN
Inventors: 侯绍信; 杨雪理
Original assignee: Zhejiang Dingpan Star Intelligent Technology Co ltd
Current assignee: Zhejiang Dingpan Star Intelligent Technology Co ltd
Priority date: 2021-11-15
Filing date: 2022-03-02
Publication date: 2022-10-04
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a material testing machine universal fixturing, including first anchor clamps and the second anchor clamps that are used for pressing from both sides tight material both ends, first anchor clamps include first anchor clamps body, and the first installation intracavity symmetry of first anchor clamps body is equipped with two first keep silent, two the interval of first keeping silent is adjustable, and the second anchor clamps include the second anchor clamps body, and the second installation intracavity symmetry of second anchor clamps body is equipped with two seconds and keeps silent, two the interval that the second kept silent is adjustable. The utility model discloses a first anchor clamps and second anchor clamps realize the centre gripping to the material to keep silent through the first of can spacing and the second and realize the centre gripping to not unidimensional material.

Description

Universal clamp for material testing machine

Technical Field

The utility model relates to a mechanical testing machine field, concretely relates to material testing machine universal fixturing.

Background

In the prior art, when a mechanical test is performed, a test machine is generally used for performing the test, and the mechanical property test such as stretching, compressing, bending, shearing, tearing, peeling and the like is performed by clamping a material through a clamp. When the existing clamp is used, the clamp cannot be suitable for materials with various sizes, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

For solving above technical problem, the utility model provides a material testing machine universal fixturing realizes the centre gripping to the material through first anchor clamps and second anchor clamps to keep silent through the first of can spacing and the second and realize the centre gripping to not unidimensional material, the commonality is good.

The utility model adopts the following technical proposal:

the utility model provides a material testing machine universal fixturing, is including first anchor clamps and the second anchor clamps that are used for pressing from both sides tight material both ends, and first anchor clamps include first anchor clamps body, and the first installation intracavity symmetry of first anchor clamps body is equipped with two first keeping silent, two the interval of first keeping silent is adjustable, and the second anchor clamps include second anchor clamps body, and the second installation intracavity symmetry of second anchor clamps body is equipped with two seconds and keeps silent, two the interval that the second kept silent is adjustable.

Preferably, one end of the first clamp is provided with a fixing plate mounting groove, and a fixing plate is detachably mounted in the fixing plate mounting groove.

Preferably, the fixing plate comprises two fixing plate bodies which are spliced with each other, and fixing holes are formed at the splicing positions of the two fixing plate bodies.

Preferably, the first clamp and the second clamp are oppositely arranged.

Preferably, the side wall of the first mounting cavity is provided with a first sliding groove, and the first jaw is in sliding fit in the first sliding groove.

Preferably, a first adjusting bolt for adjusting the position of the first jaw is in threaded fit with the side surface of the first clamp body, and the first adjusting bolt abuts against the first jaw.

Preferably, the side wall of the second mounting cavity is provided with a second sliding groove, and the second jaw is in sliding fit in the second sliding groove.

Preferably, a second adjusting bolt for adjusting the position of the second jaw is in threaded fit with the side surface of the second clamp body, and the second adjusting bolt abuts against the second jaw.

Preferably, the first jaw and the second jaw are configured with serrations on the side in contact with the material.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides a material testing machine universal fixturing realizes the centre gripping to the material through first anchor clamps and second anchor clamps to keep silent through the first of can spacing and the second and realize the centre gripping to not unidimensional material, the commonality is good.

2. The utility model discloses a fixed plate realizes improving the stability of material installation to the fixed of material, improves the measuring accuracy.

Drawings

Fig. 1 is a schematic structural view of a universal fixture.

Fig. 2 is a schematic structural view of the first clamp.

Fig. 3 is a schematic structural view of another embodiment of the first clamp.

In the figure, a first clamp 1, a first clamp body 11, a first mounting cavity 12, a first jaw 13, a fixing plate mounting groove 14, a fixing plate 15, a fixing plate body 151, a fixing hole 152, a first sliding groove 16, a first adjusting bolt 17, a second clamp 2, a second clamp body 21, a second mounting cavity 22, a second jaw 23, a second sliding groove 24 and a second adjusting bolt 25 are shown.

Detailed Description

In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-3, a universal fixture for a material testing machine includes a first fixture 1 and a second fixture 2 for clamping two ends of a material, where the first fixture 1 includes a first fixture body 11, two first jaws 13 are symmetrically disposed in a first mounting cavity 12 of the first fixture body 11, a distance between the two first jaws 13 is adjustable, the second fixture 2 includes a second fixture body 21, two second jaws 23 are symmetrically disposed in a second mounting cavity 22 of the second fixture body 21, and a distance between the two second jaws 23 is adjustable. The utility model discloses a first anchor clamps 1 and second anchor clamps 2 realize the centre gripping to the material to keep silent 13 and the second through the first of can spacing and keep silent 23 and realize the centre gripping to not unidimensional material, the commonality is good.

The first clamp 1 and the second clamp 2 are oppositely arranged and respectively clamp one end of a material.

Specifically, the first clamp body 11 is of a U-shaped structure, the left side wall and the right side wall of the first mounting cavity 12 are respectively provided with a first sliding groove 16, and the first jaw 13 is in sliding fit with the first sliding groove 16. In this embodiment, the upper and lower ends of the first jaw 13 are provided with guide blocks, the upper and lower ends of the first sliding groove 16 are provided with guide grooves, the guide blocks and the guide grooves are matched to slide, and the sliding fit between the first jaw 13 and the first sliding groove 16 may also adopt other prior art, for example, the inner walls of the first jaw 13 and the first sliding groove 16 are connected by springs.

The side of the first clamp body 11 is provided with a threaded hole, a first adjusting bolt 17 for adjusting the position of the first jaw 13 is matched in the threaded hole, the first adjusting bolt 17 abuts against the first jaw 13, the first adjusting bolt 17 is rotated inwards, the first jaw 13 can be moved towards the middle part, and the distance between the two first jaws 13 is reduced.

Specifically, the second clamp body 21 is of a U-shaped structure, a second sliding groove 24 is formed in a side wall of the second mounting cavity 22, and the second jaw 23 is slidably fitted in the second sliding groove 24. In this embodiment, the upper and lower ends of the second jaw 23 are provided with guide blocks, the upper and lower ends of the second sliding groove 24 are provided with guide grooves, the guide blocks are matched with the guide grooves to slide, and the sliding fit between the second jaw 23 and the second sliding groove 24 can adopt other prior art, for example, the inner walls of the second jaw 23 and the second sliding groove 24 are connected through springs.

The surfaces of the first jaw 13 and the second jaw 23, which are contacted with the material, are provided with saw teeth, so that the clamping stability is improved; the first jaw 13 and the second jaw 23 are both made of high-strength carbon fiber materials.

A fixing plate mounting groove 14 is formed in one end of the first clamp 1, and a fixing plate 15 is detachably mounted in the fixing plate mounting groove 14.

The fixing plate 15 includes two fixing plate bodies 151 that are assembled with each other, and a fixing hole 152 is formed at the assembled position of the two fixing plate bodies 151.

Specifically, the two fixing plate bodies 151 can be arranged in the fixing plate mounting groove 14 through bolts, the fixing plate bodies 151 are fixedly arranged during testing, and when experimental materials are replaced, the fixing plate bodies 151 are detached and replaced by the fixing plate bodies 151 matched with each other.

The embodiment of the utility model provides an in, adjust two first intervals of keeping silent between 13 and two second intervals of keeping silent between 23 to make above-mentioned two intervals consistent with the thickness of material, use fixed plate 15 to cup joint in the material outside, the one end of material is through the centre gripping of first anchor clamps 1, the other end of material passes through second anchor clamps 2 and grasps, treat the equal centre gripping in both ends of test piece and finish the back, exert force to first anchor clamps 1 and second anchor clamps 2 through the testing machine, in order to accomplish the experiment of material. The embodiment of the utility model provides a first anchor clamps 1 and second anchor clamps 2 adopt the carbon fiber material that excels in to prepare the injury to test piece itself of keeping silent, having reduced effectively and kept silent in the centre gripping in-process for the test result is more accurate.

The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is defined by the scope defined by the claims, and a plurality of modifications and decorations made by those skilled in the art without departing from the spirit and scope of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a material testing machine universal fixturing, its characterized in that, is including first anchor clamps (1) and second anchor clamps (2) that are used for pressing from both sides tight material both ends, and first anchor clamps (1) are equipped with two first keep in touch with (13), two including first anchor clamps body (11), first installation cavity (12) interior symmetry of first anchor clamps body (11) the interval of first keeping in touch with (13) is adjustable, and second anchor clamps (2) are equipped with two second and keep in touch with (23), two including second anchor clamps body (21), second installation cavity (22) interior symmetry of second anchor clamps body (21) the interval of second keeping in touch with (23) is adjustable.

2. The universal fixture for the material testing machine is characterized in that one end of the first fixture (1) is provided with a fixing plate installation groove (14), and a fixing plate (15) is detachably installed in the fixing plate installation groove (14).

3. The universal fixture for material testing machine according to claim 2, wherein the fixing plate (15) comprises two fixing plate bodies (151) which are mutually spliced, and the splicing parts of the two fixing plate bodies (151) form fixing holes (152).

4. A universal fixture for a material testing machine according to claim 1, characterized in that the first fixture (1) and the second fixture (2) are oppositely arranged.

5. The universal fixture for material testing machines according to claim 1, characterized in that the side wall of the first mounting cavity (12) is provided with a first sliding groove (16), and the first jaw (13) is in sliding fit in the first sliding groove (16).

6. The universal fixture for material testing machines according to claim 5, characterized in that a first adjusting bolt (17) for adjusting the position of the first jaw (13) is in threaded fit with the side surface of the first fixture body (11), and the first adjusting bolt (17) abuts against the first jaw (13).

7. The universal fixture for material testing machines according to claim 1, characterized in that the side wall of the second mounting cavity (22) is provided with a second sliding groove (24), and the second jaw (23) is in sliding fit in the second sliding groove (24).

8. The universal fixture for material testing machines according to claim 7, characterized in that a second adjusting bolt (25) for adjusting the position of the second jaw (23) is screwed on the side surface of the second fixture body (21), and the second adjusting bolt (25) is abutted against the second jaw (23).

9. A universal chuck for material testing machines according to claim 1, characterized in that the first jaw (13) and the second jaw (23) are provided with serrations on the side in contact with the material.