Search

CN-224231437-U - Clamping device for torsion test of box-shaped piece

CN224231437UCN 224231437 UCN224231437 UCN 224231437UCN-224231437-U

Abstract

The present application relates to a clamping device for a box torsion test, the clamping device comprising a first clamp body, a second clamp body and a base, the first clamp body being joined to the base at the top of the base, the first clamp body having a first receiving recess and the second clamp body having a second receiving recess. By means of the second clamp body and the second clamp body, both end portions of the box to be tested can be detachably clamped in the first accommodation groove and the second accommodation groove, respectively, so as to stably and securely fix the box, thereby ensuring accuracy of test data of the torsion test, and such a configuration of the clamping device facilitates quick installation and removal of the box.

Inventors

  • ZHANG LUO

Assignees

  • 艾曼斯（苏州）工程塑料有限公司

Dates

Publication Date
20260512
Application Date
20250418

Claims (10)

  1. 1. Clamping device for testing torsion of box-shaped pieces, which is characterized in that the clamping device (1) comprises a first clamping body (11), a second clamping body (12) and a base (13), Wherein the first clamp body (11) is joined to the base (13) at the top of the base (13), the first clamp body (11) has a first accommodation groove (111), and the second clamp body (12) has a second accommodation groove (121), both end portions of the box (2) to be tested are adapted to be accommodated in the first accommodation groove (111) and the second accommodation groove (121), respectively, such that the box (2) is detachably clamped between the first clamp body (11) and the second clamp body (12).
  2. 2. The clamping device as claimed in claim 1, characterized in that, The first aperture (112) of the first accommodation groove (111) is rectangular in configuration, and the first accommodation groove (111) has a first gap portion (113) extending in the depth direction of the first accommodation groove (111) at least at one first corner (C1) of the first aperture (112), and The second aperture (122) of the second accommodation groove (121) is configured in a rectangular shape, and the second accommodation groove (121) has a second gap portion (123) extending in the depth direction of the first accommodation groove (111) at least at one second corner (C2) of the second aperture (122).
  3. 3. The clamping device as claimed in claim 2, characterized in that, The first gap portion (113) is formed by a portion of the inner wall of the first accommodation groove (111) being recessed inward from the first corner (C1), and The second gap portion (123) is formed by a portion of an inner wall of the second accommodation groove (121) being recessed inward from the second corner (C2).
  4. 4. A clamping device as claimed in any of the claims 1 to 3, characterized in that, The base (13) has a clamping aperture (131), The first clamp body (11) comprises a first clamping part (114) and a neck part (115), the first clamping part (114) is provided with the first accommodating groove (111), The neck (115) is configured to be recessed inwardly from both sides with respect to the first clamping portion (114) and adapted to be clamped in the clamping aperture (131), and the first clamping portion (114) is in contact with a top surface of the base (13) at the clamping aperture (131).
  5. 5. The clamping device as claimed in claim 4, characterized in that, The first clamp body (11) further comprises a second clamping portion (116), the second clamping portion (116) is connected to the first clamping portion (114) via the neck portion (115), and the second clamping portion (116) is in contact with a bottom surface of the base (13) located at the clamping aperture (131).
  6. 6. A clamping device as claimed in any of the claims 1-3, characterized in that, The second clamp body (12) also has an engagement portion (127) extending from an outer bottom surface of the second accommodation groove (121), the engagement portion (127) having a third accommodation groove (124) adapted to engage with a torsion tester (3).
  7. 7. The clamping device as claimed in claim 6, characterized in that, The third aperture (126) of the third accommodation groove (124) is configured in a rectangular shape, and the third accommodation groove (124) has a third gap portion (125) extending in the depth direction of the third accommodation groove (124) at least at one third corner (C3) of the third aperture (126).
  8. 8. The clamping device as claimed in claim 4, characterized in that, The base (13) comprises a body (132) provided with the clamping aperture (131), The clamping aperture (131) penetrates both lateral sides of the body (132), and the body (132) has a receiving space (S) communicating with the clamping aperture (131) below the clamping aperture (131) for mounting and removing the first clamp body (11).
  9. 9. The clamping device as claimed in claim 8, characterized in that, The body (132) is constituted by a first vertical split (133) and a second vertical split (134), and the first vertical split (133) and the second vertical split (134) are configured to form the clamping aperture (131) and the accommodation space (S) therebetween.
  10. 10. The clamping device as claimed in claim 9, characterized in that, The first vertical split (133) includes a first butt joint portion (133A), a first vertical portion (133B), and a first horizontal configuration portion (133C) connected to each other, and the second vertical split (134) includes a second butt joint portion (134A), a second vertical portion (134B), and a second horizontal configuration portion (134C) connected to each other, Wherein a bottom surface of the first abutting portion (133A) and a top surface of the second abutting portion (134A) are in contact with each other, The first vertical portion (133B) and the second vertical portion (134B) are arranged parallel and opposite to each other to form the accommodation space (S) therebetween, and The first horizontal configuration portion (133C) and the second horizontal configuration portion (134C) are arranged parallel and opposite to each other to form the clamping orifice (131) therebetween.

Description

Clamping device for torsion test of box-shaped piece Technical Field The utility model relates to the technical field of testing of plastic products, in particular to a clamping device for testing torsion of box-shaped pieces. Background The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. Plastic articles, such as plastic boxes, are an essential item found everywhere in life. The materials used to make the plastic box affect various properties of the plastic box. A manufacturer typically manufactures a plurality of plastic cases each made of a different material in advance, and performs various performance tests such as a torsion test on the plastic cases, and finally, determines a material having an optimal performance from among a plurality of materials based on the test data, thereby putting the optimal material into production to manufacture the plastic cases. Torsion testing of plastic boxes is typically accomplished using a torsion tester. To ensure accuracy of the test data, it is necessary to stabilize the plastic case and to keep the test contact surface of the torsion tester with the plastic case uniform during the test, so that a suitable jig needs to be provided to fulfill this requirement. Disclosure of utility model In view of the above, an object of the present utility model is to provide a clamping device for a torsion test of a box-like member capable of stably and securely clamping the box-like member, thereby ensuring accuracy of test data. Another object of the present utility model is to provide a clamping device for a torsion test of a cartridge capable of ensuring uniform contact of the cartridge with the clamping device and facilitating rapid installation and removal of the cartridge. It is a further object of the present utility model to provide a clamping device for a box torsion test that can be adapted to a dedicated torsion tester. The utility model provides a clamping device for testing torsion of a box-shaped piece, which comprises a first clamp body, a second clamp body and a base, wherein the first clamp body is connected to the base at the top of the base, the first clamp body is provided with a first accommodating groove, the second clamp body is provided with a second accommodating groove, and two end parts of the box-shaped piece to be tested are suitable for being respectively accommodated in the first accommodating groove and the second accommodating groove, so that the box-shaped piece is clamped between the first clamp body and the second clamp body in a detachable mode. In some embodiments, the first aperture of the first receiving groove is configured in a rectangular shape and the first receiving groove has a first gap portion extending in a depth direction of the first receiving groove at least one first corner of the first aperture, and the second aperture of the second receiving groove is configured in a rectangular shape and the second receiving groove has a second gap portion extending in a depth direction of the first receiving groove at least one second corner of the second aperture. In some embodiments, the first clearance portion is formed by a portion of an inner wall of the first receiving recess being recessed inwardly from a first corner of the first aperture and the second clearance portion is formed by a portion of an inner wall of the second receiving recess being recessed inwardly from a second corner of the second aperture. In some embodiments, the base has a clamping aperture, the first clamp body includes a first clamping portion provided with a first receiving recess, and a neck portion configured to be recessed inwardly from both sides relative to the first clamping portion and adapted to be clamped in the clamping aperture, and the first clamping portion is in contact with a top surface of the base at the clamping aperture. In some embodiments, the first clamp body further includes a second clamping portion connected to the first clamping portion via a neck, and the second clamping portion is in contact with a bottom surface of the base at the clamping aperture. In some embodiments, the second clamp body further has an engagement portion connected to and extending from an outer bottom surface of the second receiving recess, the engagement portion having a third receiving recess adapted to engage with the torsion tester. In some embodiments, the third aperture of the third receiving groove is configured in a rectangular shape, and the third receiving groove has a third gap portion extending in a depth direction of the third receiving groove at least at one third corner of the first aperture. In some embodiments, the base includes a body provided with a clamping aperture extending through both lateral sides of the body, and the body has a receiving space below the clamping aperture in communication with the clamping aperture for mounting and removing the first