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CN-224209710-U - Clamp for grinding and flattening shaft workpiece

CN224209710UCN 224209710 UCN224209710 UCN 224209710UCN-224209710-U

Abstract

The utility model discloses a clamp for grinding and flattening shaft workpieces, which comprises a mounting plate, two clamping plates and a locking piece, wherein the upper end face of the mounting plate is provided with a rotating groove, the two clamping plates are connected above the mounting plate in a rotating way, the locking piece is positioned between the two clamping plates, the inner sides of the two clamping plates are uniformly provided with a plurality of fixing grooves, the locking piece comprises a locking buckle and a contact pin, one end of the locking buckle is rotationally connected with one end face of the clamping plate, the other end of the locking buckle is fixedly buckled in one end of the other clamping plate, and one end of the contact pin sequentially penetrates through the locking buckle and the side wall of the clamping plate. The utility model has the effect of improving the working efficiency of machining the shaft workpiece.

Inventors

  • ZHOU JIANHUI

Assignees

  • 宁波鑫精华轴业有限公司

Dates

Publication Date
20260508
Application Date
20250429

Claims (7)

  1. 1. The clamp for grinding and flattening shaft workpieces is characterized by comprising a mounting plate (1), two clamping plates (2) and a locking piece (3), wherein a rotating groove (14) is formed in the upper end face of the mounting plate (1), the two clamping plates (2) are rotationally connected to the upper side of the mounting plate (1), the locking piece (3) is positioned between the two clamping plates (2), a plurality of fixing grooves (6) are uniformly formed in the inner side of the two clamping plates (2), the locking piece (3) comprises a locking buckle (25) and an inserting needle (26), one end of the locking buckle (25) is rotationally connected to one end face of the clamping plate (2), the other end of the locking buckle (25) is fixedly buckled in one end of the other clamping plate (2), and one end of the inserting needle (26) sequentially penetrates through the side wall of the locking buckle (25) and the side wall of the clamping plate (2).
  2. 2. The clamp for grinding shaft workpieces according to claim 1, wherein the clamping plate (2) comprises a first clamping strip (4) and a second clamping strip (5), a telescopic piece (7) is arranged between the first clamping strip (4) and the second clamping strip (5), the telescopic piece (7) comprises a first telescopic rod (8) and a second telescopic rod (9), one end of the first telescopic rod (8) is arranged on one side of the first clamping strip (4), one end of the second telescopic rod (9) is arranged on one side of the second clamping strip (5), and one end of the first telescopic rod (8) is inserted and slipped in one end of the second telescopic rod (9).
  3. 3. The clamp for grinding shaft workpieces according to claim 2, wherein a rack (16) is arranged on the side wall of the first telescopic rod (8), a gear (19) is rotatably connected to the side wall of the second telescopic rod (9), the gear (19) is meshed with the rack (16), a driving motor (20) is arranged on one side of the second telescopic rod (9), and the output end of the driving motor (20) is fixedly connected with a rotating rod of the rack (16).
  4. 4. A fixture for grinding shaft workpieces according to claim 3, characterized in that a connecting piece (21) is arranged between two gears (19), the connecting piece (21) comprises a male connector (22) and a female connector (23), one end of the male connector (22) is arranged on a rotating rod of the gear (19), one end of the female connector (23) is arranged on the rotating rod of the other gear (19), and a connecting hole (24) for inserting and fixing one end of the male connector (22) is formed in the outer end of the female connector (23).
  5. 5. The clamp for grinding shaft workpieces according to claim 1, wherein one end of the pin (26) is fixedly connected with a pull ring (28) in a penetrating way.
  6. 6. The clamp for grinding and flattening a shaft workpiece according to claim 1, wherein the upper end surface of the mounting plate (1) is rotatably connected with a limiting plate (15), and one side of the limiting plate (15) is in contact with the side wall of the clamping plate (2).
  7. 7. The clamp for grinding shaft workpieces according to claim 1, wherein an embedded groove (27) for embedding the locking buckle (25) is formed in the side wall of one end of the clamping plate (2).

Description

Clamp for grinding and flattening shaft workpiece Technical Field The application relates to the technical field of clamps, in particular to a clamp for grinding and flattening shaft workpieces. Background According to the installation requirement, the grinding grooves 29 are formed in one end of the shaft workpiece corresponding to two side walls respectively, one end of the shaft workpiece is flat (the specific structure can be referred to as fig. 1), in the prior art, when the shaft workpiece is processed, the unprocessed shaft workpiece is fixed between two clamping plates, then the two clamping plates are arranged on a working platform of a milling machine, so that one side of one end of the shaft workpiece can be cut, however, when the other side of one end of the shaft workpiece is required to be cut, the two clamping plates are required to be separated and detached, then the shaft workpiece is rotated, the other side of one end of the shaft workpiece is located above, then the two clamping plates are mutually close to the shaft workpiece to be extruded and fixed, and then the milling machine can cut the other side of one end of the shaft workpiece, so that the working efficiency of processing the shaft workpiece is lower. Disclosure of utility model The utility model aims to overcome the defects and shortcomings of the prior art and provides a clamp for grinding and flattening a shaft workpiece. In order to achieve the above purpose, the present utility model adopts the following technical scheme: Including mounting panel, two splint and retaining member, the rotation groove has been seted up to the up end of mounting panel, two splint rotate connect in the top of mounting panel, the retaining member is located two between the splint, two a plurality of fixed slots have evenly been seted up to the inboard of splint, the retaining member includes locking knot and contact pin, the one end rotation of locking knot connect in an end of splint, the other end lock joint of locking knot is fixed in another in the one end of splint, the one end of contact pin passes in proper order the locking knot with the splint lateral wall. Preferably, the clamping plate comprises a first clamping strip and a second clamping strip, a telescopic piece is arranged between the first clamping strip and the second clamping strip, the telescopic piece comprises a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is arranged on one side of the first clamping strip, one end of the second telescopic rod is arranged on one side of the second clamping strip, and one end of the first telescopic rod is inserted and slipped in one end of the second telescopic rod. Preferably, the side wall of the first telescopic rod is provided with a rack, the side wall of the second telescopic rod is rotationally connected with a gear, the gear is meshed with the rack, one side of the second telescopic rod is provided with a driving motor, and the output end of the driving motor is fixedly connected with a rotating rod of the rack. Preferably, a connecting piece is arranged between the two gears, the connecting piece comprises a male connector and a female connector, one end of the male connector is arranged on a rotating rod of the gear, one end of the female connector is arranged on another rotating rod of the gear, and the outer end of the female connector is provided with a connecting hole for inserting and fixing one end of the male connector. Preferably, one end of the contact pin is fixedly connected with a pull ring in a penetrating way. Preferably, the upper end face of the mounting plate is rotatably connected with a limiting plate, and one side of the limiting plate is mutually abutted with the side wall of the clamping plate. Preferably, an embedded groove for the locking buckle to be embedded is formed in the side wall of one end of the clamping plate. In summary, the present application includes at least one of the following beneficial technical effects: 1. When cutting machining is needed on two sides of one end of a shaft workpiece, firstly placing a plurality of shaft workpieces in a plurality of fixing grooves of one clamping plate, then placing the other clamping plate on the previous clamping plate, rotating a locking buckle to enable one end of the locking buckle to be embedded into an embedded groove, sequentially inserting a contact pin into the locking buckle and the clamping plates, clamping the shaft workpieces by the two clamping plates, then, carrying out cutting machining on one side of one end of the shaft workpiece by a milling machine, after finishing machining one side of one end of the shaft workpiece, rotating the two clamping plates by 180 degrees to enable the other side of one end of the shaft workpiece to be above, and then cutting the other side of one end of the shaft workpiece by a milling machine, thereby finishing cutting on two sides of one end of the shaft workpiece