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CN-224209782-U - Clamp for eccentric part

CN224209782UCN 224209782 UCN224209782 UCN 224209782UCN-224209782-U

Abstract

The utility model relates to the technical field of machining, in particular to a clamp for an eccentric part, which comprises an adapter seat and a positioning mechanism, wherein the adapter seat is provided with a limiting disc and an adapter part, the limiting disc is provided with a positioning groove, the adapter part is arranged on one surface of the limiting disc, which is away from the positioning groove, and is coaxially arranged with an eccentric shaft of the eccentric part, the positioning mechanism comprises a positioning part and a positioning assembly, the positioning part is arranged on the limiting disc and is spliced with a base in the positioning groove, one end of the positioning assembly is connected with the limiting disc, and the other end of the positioning assembly is used for providing acting force for propping the base against the limiting disc. According to the fixture for the eccentric part, the horizontal displacement of the base is limited by utilizing the matching of the positioning part and the positioning groove, the positioning precision of the eccentric shaft is ensured, and the supporting acting force provided by the positioning assembly enables the base to be tightly supported by the limiting disc, so that the eccentric part is accurately positioned, and the purpose of increasing the processing precision and the processing quality of the eccentric shaft of the eccentric part is achieved.

Inventors

  • CHEN HUI
  • ZHU YUSONG
  • Zhong Yinlong

Assignees

  • 东莞市鼎图精密机械设备有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (10)

  1. 1. The fixture for the eccentric part is used for clamping the eccentric part and comprises a base and an eccentric shaft, wherein the base and the axis of the eccentric shaft are arranged in parallel, and the fixture for the eccentric part is characterized by comprising an adapter seat and a positioning mechanism, wherein the adapter seat is provided with a limiting disc and an adapter part, the limiting disc is provided with a positioning groove for installing the base of the eccentric part, the adapter part is arranged on one surface of the limiting disc, which is away from the positioning groove, and is coaxially arranged with the eccentric shaft of the eccentric part, the positioning mechanism comprises a positioning part and a positioning assembly, the positioning part is installed on the limiting disc and is spliced with the base in the positioning groove, one end of the positioning assembly is connected with the limiting disc, and the other end of the positioning assembly is used for providing acting force for supporting the base and the limiting disc.
  2. 2. The fixture for eccentric members according to claim 1, wherein the positioning assembly comprises a supporting rod, a pressing plate, a supporting member and a pressing rod, the supporting rod is connected with the limiting disc, the pressing plate is movably connected with the supporting rod, one end of the pressing plate, which is far away from the supporting rod, is abutted against the eccentric workpiece, the supporting member is arranged on the supporting rod and is positioned between the pressing plate and the limiting disc, the pressing rod is arranged between the supporting rod and the positioning groove and penetrates through the pressing plate to be connected with the limiting disc, and the pressing rod is used for providing acting force for the pressing plate to be abutted against the supporting member and the eccentric workpiece.
  3. 3. The fixture for eccentric members according to claim 2, wherein the pressing plate comprises a plate body and a pressing tongue, the plate body is provided with a sliding hole movably connected with the supporting rod, and the pressing tongue is abutted against the eccentric workpiece.
  4. 4. A clamp for eccentric members as claimed in claim 3, wherein the tongue is thinner than the plate.
  5. 5. A clamp for eccentric members as claimed in claim 3, wherein said tongue is tapered toward said detent.
  6. 6. A clamp for eccentric members as claimed in claim 3, wherein said plate body is provided with a through hole through which said pressing rod passes, said through hole being a bar-shaped hole.
  7. 7. The fixture for eccentric members according to claim 2, wherein the pressing rod comprises a rod body and a pressing block, the rod body is connected with the limiting disc, and the pressing block is arranged at one end of the rod body away from the limiting disc and is abutted against the pressing plate.
  8. 8. The eccentric clamp of claim 1, wherein the number of locating assemblies is a plurality, each locating assembly disposed about the mounting slot.
  9. 9. The eccentric clamp of claim 1, wherein the positioning mechanism further comprises a retention assembly mounted to the limit disk and extending to the location member, the retention assembly for providing a force for inserting the eccentric workpiece into the location member.
  10. 10. The fixture for eccentric members as claimed in claim 1, wherein the number of said positioning members is at least two, and at least two of said positioning members are spaced apart.

Description

Clamp for eccentric part Technical Field The utility model relates to the technical field of machining, in particular to a clamp for an eccentric part. Background In the field of machining, an eccentric member is a common part, and generally comprises a base and an eccentric shaft, the axes of the base and the eccentric shaft are arranged in parallel, and when the eccentric shaft of the eccentric member is machined, a clamp is required to be used for stably clamping the eccentric shaft of the eccentric member so as to ensure machining precision and operation safety, in the conventional technology, the clamp generally directly clamps the side wall of the base of the eccentric member, however, clamps the side wall of the base of the eccentric member, the eccentric shaft is difficult to position relative to the position of the base, so that the clamp is insufficient in positioning accuracy of the eccentric member, deviation is easily caused in the cooperation of the eccentric shaft and processing equipment, the processing quality is affected, meanwhile, the clamping force is not uniformly and stably applied, the base can rotate relative to the eccentric shaft in the processing process, the processing accuracy is affected, safety accidents can be caused, and the technical problems that the positioning accuracy and the processing accuracy of the eccentric member are difficult to guarantee exist. Disclosure of utility model Accordingly, it is necessary to provide a jig for eccentric members, which solves the technical problem that the positioning accuracy and the machining accuracy of the eccentric members are difficult to ensure. The fixture for the eccentric part is used for clamping the eccentric part and comprises a base and an eccentric shaft, the base and the axis of the eccentric shaft are arranged in parallel, the fixture for the eccentric part comprises an adapter seat and a positioning mechanism, the adapter seat is provided with a limiting disc and an adapter part, the limiting disc is provided with a positioning groove for installing the base of the eccentric part, the adapter part is arranged on one surface of the limiting disc, which is away from the positioning groove, and is coaxially arranged with the eccentric shaft of the eccentric part, the positioning mechanism comprises a positioning part and a positioning assembly, the positioning part is installed on the limiting disc and is spliced with the base in the positioning groove, one end of the positioning assembly is connected with the limiting disc, and the other end of the positioning assembly is used for providing acting force for propping the base against the limiting disc. In one embodiment, the positioning assembly comprises a supporting rod, a pressing plate, a supporting piece and a pressing rod, the supporting rod is connected with the limiting disc, the pressing plate is movably connected with the supporting rod, one end, away from the supporting rod, of the pressing plate is propped against the eccentric workpiece, the supporting piece is arranged on the supporting rod and located between the pressing plate and the limiting disc, the pressing rod is arranged between the supporting rod and the positioning groove and penetrates through the pressing plate to be connected with the limiting disc, and the pressing rod is used for providing acting force for propping against the pressing plate, the supporting piece and the eccentric workpiece. In one embodiment, the pressing plate comprises a plate body and a pressing tongue, wherein the plate body is provided with a sliding hole movably connected with the supporting rod, and the pressing tongue is abutted against the eccentric workpiece. In one embodiment, the tongue depressor has a thickness that is less than the thickness of the plate body. In one embodiment, the tongue depressor gradually contracts toward the positioning groove. In one embodiment, the plate body is provided with a via hole for the compression bar to pass through, and the via hole is a bar-shaped hole. In one embodiment, the pressing rod comprises a rod body and a pressing block, the rod body is connected with the limiting disc, and the pressing block is arranged at one end, away from the limiting disc, of the rod body and is propped against the pressing plate. In one embodiment, the number of the positioning assemblies is plural, and each positioning assembly is disposed around the mounting groove. In one embodiment, the positioning mechanism further comprises a retention assembly mounted on the limit disk and extending to the positioning member, wherein the retention assembly is used for providing a force for inserting the eccentric workpiece into the positioning member. In one embodiment, the number of the positioning pieces is at least two, and at least two positioning pieces are arranged at intervals. The fixture for the eccentric part has the beneficial effects that the positioning groove of the adapter is adopted to