Search

CN-224209487-U - Quick positioning fixture for workpiece of precise engraving machine

CN224209487UCN 224209487 UCN224209487 UCN 224209487UCN-224209487-U

Abstract

The utility model discloses a quick workpiece positioning clamp of a precise engraving machine, and relates to the technical field of engraving machines; the four pulling blocks are respectively arranged on the upper side of the lower seat in a rectangular structure, the upper side of the pulling block is provided with a moving block, the upper side of the moving block slides through a sliding groove formed in the upper seat and is connected with a clamping plate, the four guiding blocks are respectively fixedly arranged on the outer side of the pulling block and are arranged on the lower seat in a sliding mode through sliding pairs, the two rotating gears are respectively and symmetrically arranged on the upper side of the lower seat in a left-right symmetrical mode, rotating shafts penetrate through and are fixedly arranged in the rotating gears, the bottom ends of the rotating shafts are arranged on the lower seat in a rotating mode through bearings in a rotating mode, the two synchronous driving assemblies are arranged between the left rotating gear and the right rotating gear, the two synchronous driving assemblies are respectively arranged on the outer sides of the rotating gears, and the clamping plates on the front side and the rear side are synchronously pushed to push a workpiece to be arranged right above the upper seat so as to clamp the workpiece.

Inventors

  • LIU LEI
  • LI BO
  • LI ZHAOBAO

Assignees

  • 昆山忠诚世模具科技有限公司

Dates

Publication Date
20260508
Application Date
20250722

Claims (6)

  1. 1. A rapid workpiece positioning fixture of a precise engraving machine comprises a lower seat (1) and an upper seat (2), wherein the upper seat (2) is arranged on the upper side of the lower seat (1); the device is characterized by further comprising four pulling blocks (4), four rotating gears (7), two rotating gears (7) and a synchronous driving assembly (8), wherein the four pulling blocks (4) are respectively arranged on the upper side of the lower seat (1) in a rectangular structure, the upper sides of the pulling blocks (4) are provided with moving blocks (5), the upper sides of the moving blocks (5) slide through sliding grooves (2-1) formed in the upper seat (2) and then are connected with the clamping plates (3), the four guiding blocks (6) are respectively fixedly arranged on the outer sides of the pulling blocks (4) and are arranged on the lower seat (1) in a sliding mode, the two rotating gears (7) are respectively and symmetrically arranged on the upper side of the lower seat (1), the inner sides of the rotating gears (7) are penetrated and fixedly provided with rotating shafts, the bottom ends of the rotating shafts are rotatably connected with the lower seat (1) through bearings, the synchronous driving assembly (8) are arranged between the two synchronous driving assemblies (9) in a rotating mode, and the two synchronous driving assemblies (9) are arranged between the two synchronous driving assemblies, are respectively arranged outside the rotating gears (7).
  2. 2. The quick workpiece positioning fixture for the precise engraving machine, which is disclosed in claim 1, is characterized in that the synchronous driving assembly (8) comprises a U-shaped block (8-1), the U-shaped block (8-1) is arranged on the lower seat (1) in a sliding mode through a sliding pair, racks are arranged on the left side and the right side of the U-shaped block (8-1), the racks are meshed with adjacent rotating gears (7), the driving motor (8-2) is fixedly arranged on the lower seat (1) through a motor bracket, the driving motor (8-2) is arranged on the front side of the U-shaped block (8-1), a threaded rod (8-3) is arranged at the output end of the driving motor (8-2), a threaded pipe (8-4) is sleeved on the threaded rod (8-3) in a threaded mode, and the rear end of the threaded pipe (8-4) is connected with the inner wall of the U-shaped block (8-1).
  3. 3. The rapid workpiece positioning fixture for the precise engraving machine, which is disclosed in claim 1, is characterized in that the synchronous transmission assembly (9) comprises a transmission gear (9-1), wherein the transmission gear (9-1) is meshed with the outer side of the rotary gear (7), the transmission gear (9-1) is internally penetrated and fixedly provided with a transmission shaft (9-2), the bottom end of the transmission shaft (9-2) is rotatably arranged on the lower base through a bearing, the synchronous shaft (9-3) is arranged on the front side of the transmission shaft (9-2), the bottom ends of the synchronous shafts (9-3) are rotatably arranged on the lower base through bearings, the synchronous gears (9-4) are respectively sleeved and fixed on the corresponding transmission shaft (9-2) and the synchronous shaft (9-3), the front and rear synchronous gears (9-4) on the same side are rotatably connected on the lower base through bearings, the synchronous shafts (9-5) are rotatably arranged on the two synchronous shafts (9-5) and the rotary shafts (9-3) respectively, the synchronous gears (9-5) are rotatably arranged on the two synchronous shafts (9-5) and the rotary shafts (5-5), the rotating piece (9-5) is internally provided with a strip groove (9-6), the rotating piece (9-5) is arranged on the upper side of the pulling block (4) in a contact way, the strip groove (9-6) is internally and slidably provided with a guide table (9-7), and the guide table (9-7) is fixedly arranged on the pulling block (4).
  4. 4. The rapid workpiece positioning fixture for the precise engraving machine according to claim 1 is characterized in that mounting blocks (10) are fixedly arranged on the left side and the right side of the lower seat (1), the upper seat (2) is clamped on the mounting blocks (10), and the positioning blocks (11) are inserted into the mounting blocks (10) after penetrating through the side walls of the upper seat (2).
  5. 5. The rapid workpiece positioning fixture for the precise engraving machine of claim 4, wherein the upper side of the mounting block (10) is provided with a groove (10-1), a hydraulic rod (12) is fixedly arranged in the groove (10-1), and a pushing end of the hydraulic rod (12) is inserted into the positioning block (11) after passing through the mounting block (10).
  6. 6. The rapid workpiece positioning fixture for the precise engraving machine according to claim 1 is characterized in that inserting rods (13) are arranged on the front side and the rear side of the rotating gear (7), the inserting rods (13) are fixedly arranged on the lower seat (1), inserting posts (14) which are correspondingly arranged on the inserting rods (13) are fixedly arranged on the inner top surface of the upper seat (2), and the inserting posts (14) are sleeved on the inserting rods (13).

Description

Quick positioning fixture for workpiece of precise engraving machine Technical Field The utility model relates to the technical field of engraving machines, in particular to a quick workpiece positioning fixture of a precise engraving machine. Background The precision engraving machine (such as CNC engraving machine, laser engraving machine, precision engraving machine and the like) is widely applied in the fields of mould manufacture, precision part processing, electronic product processing, industrial art product manufacturing, label nameplate manufacturing, medical instrument manufacturing and the like, in the precision engraving process, stable workpiece clamping is a key link for realizing high-efficiency and high-quality processing, most of existing clamps are vice clamping, although the clamping purpose can be achieved, the time consumption is long in the manual operation process, and in the batch processing, repeated positioning accuracy is difficult to ensure consistency. Disclosure of utility model The utility model aims to overcome the defects and shortcomings of the prior art, and provides the rapid workpiece positioning clamp for the precise engraving machine, which has the advantages of simple structure, reasonable design and convenience in use, and the clamping plates on the front side and the rear side are synchronously pushed to push the workpiece to be placed over the upper seat so as to clamp the workpiece. In order to achieve the aim, the utility model adopts the following technical scheme that the device comprises a lower seat and an upper seat, wherein the upper seat is arranged on the upper side of the lower seat; The device also comprises four pulling blocks, wherein the four pulling blocks are respectively distributed on the upper side of the lower seat in a rectangular structure, the upper side of each pulling block is provided with a moving block, and the upper side of each moving block slides through a sliding groove formed in the upper seat and is connected with the clamping plate; the four guide blocks are fixedly arranged on the outer sides of the pulling blocks respectively, and are arranged on the lower seat in a sliding manner through sliding pairs; the two rotating gears are symmetrically arranged on the upper side of the lower seat in a left-right symmetrical manner respectively, a rotating shaft penetrates through and is fixed in the rotating gears, and the bottom end of the rotating shaft is arranged on the lower seat in a rotating manner through a bearing; the synchronous driving assembly is arranged between the left rotating gear and the right rotating gear, and the synchronous transmission assemblies are respectively arranged at the outer sides of the rotating gears; Through above-mentioned technical scheme design, synchronous drive assembly drives two rotation gears synchronous rotation about, makes corresponding pulling piece remove through synchronous drive assembly, makes splint remove. The synchronous driving assembly comprises a U-shaped block, a driving motor, a threaded pipe, a driving motor and a driving motor, wherein the U-shaped block is arranged on a lower seat in a sliding mode through a sliding pair, racks are arranged on the left side and the right side of the U-shaped block, and meshed with adjacent rotating gears; Through above-mentioned technical scheme design, start driving motor, make the threaded rod rotate and carry out screw thread drive to the screwed pipe, drive "U" shape piece, carry out synchronous drive to the rotation gear of both sides. As a further improvement of the utility model, the synchronous transmission assembly comprises a transmission gear, a transmission shaft and a transmission assembly, wherein the transmission gear is meshed with the outer side of the rotation gear, the transmission shaft is penetrated and fixed in the transmission gear, and the bottom end of the transmission shaft is arranged on the lower base in a screwed manner through a bearing; the synchronous shaft is arranged at the front side of the transmission shaft, and the bottom end of the synchronous shaft is rotatably connected with the lower base through a bearing; the two synchronous gears are respectively sleeved and fixed on the corresponding transmission shaft and the corresponding synchronous shaft, and are arranged on the upper side of the transmission gear, and the front synchronous gear and the rear synchronous gear on the same side are meshed; the two rotating parts are respectively sleeved and fixed on the transmission shaft and the synchronous shaft, and are arranged on the upper side of the synchronous gear, and a strip groove is formed in the rotating part; Through the technical scheme, the rotation gear rotates to drive the transmission gear in a meshing way, so that the transmission shaft drives the synchronous gear on the transmission gear to rotate, the synchronous gear on the synchronous shaft on the front side is meshed and driven to rota