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CN-224226159-U - Turnover mechanism for workpiece clamp

CN224226159UCN 224226159 UCN224226159 UCN 224226159UCN-224226159-U

Abstract

The utility model relates to the technical field of fixture tools, in particular to a turnover mechanism for a workpiece clamp, which comprises a lifting cylinder, an installation table, a motor, a bearing seat, a turnover shaft, an installation seat, a substrate and a vacuum chuck, wherein the movable end of the lifting cylinder is connected with the installation table, the installation table is provided with the motor and the bearing seat, the output end of the motor is connected with a belt wheel I, the bearing seat is rotationally connected with the turnover shaft, one end of the turnover shaft is connected with a belt wheel II, and the belt wheel I is in transmission connection with the belt wheel II through a transmission belt. According to the technical scheme, the lifting cylinder and the overturning shaft driven by the motor cooperatively act, the automatic clamping and overturning of the workpiece are realized by combining the vacuum chuck, the dependence of a traditional mechanism on manual assistance is eliminated, the operation continuity is improved, the design of the telescopic opening and the tensioning hole of the mounting seat is matched with the special-shaped groove and the protruding structure of the overturning shaft, the overturning shafts with different specifications can be quickly adapted, and the debugging steps when the workpiece is replaced are reduced.

Inventors

  • FAN ZHILING
  • SUN XUELIAN

Assignees

  • 钜祥精密模具（苏州）有限公司

Dates

Publication Date
20260512
Application Date
20250708

Claims (10)

  1. 1. The utility model provides a tilting mechanism is taken to work piece clamp, includes lift cylinder, mount table, motor, bearing frame, pivot, mount pad, base plate and vacuum chuck, its characterized in that, the expansion end and the mount table of lift cylinder are connected, installs motor and bearing frame on the mount table, and pulley one is connected to the output of motor, and the pivot is connected in the bearing frame internal rotation, and pulley two is connected to the one end of pivot, and pulley one is connected through the drive belt transmission with pulley two, and the other end of pivot is connected with the sucking disc support through the mount pad, is provided with a plurality of vacuum chuck on the sucking disc support.
  2. 2. The turnover mechanism for workpiece holders as set forth in claim 1, wherein a shield is provided on the outer side of said belt, and is fixed to the mounting table for protecting the belt, the pulley one and the pulley two.
  3. 3. The turnover mechanism for workpiece holders according to claim 1, wherein the cylinder body of the lifting cylinder is fixed on an external device through bolts, and the movable end of the lifting cylinder is connected with the mounting table through a flange so as to drive the mounting table to move up and down.
  4. 4. The turnover mechanism for workpiece holders as set forth in claim 1, wherein said two lifting cylinders are symmetrically disposed about a center line of said mounting table.
  5. 5. The turnover mechanism for workpiece holders according to claim 1, wherein a limiting seat is arranged on the outer side of the mounting table corresponding to the turnover shaft, and the limiting seat is fixed on the mounting table and used for limiting the rotation angle of the turnover shaft.
  6. 6. The turnover mechanism for workpiece holders according to claim 1, wherein the mounting base is provided with a mounting hole, a telescopic opening and a tensioning hole, and the mounting hole is positioned in the center of the mounting base and is fixedly connected with the turnover shaft; The telescopic opening is used for communicating the mounting hole with the outside, and the tensioning hole is internally connected with a screw in a threaded manner and penetrates through the telescopic opening for adjusting the opening amplitude of the mounting hole.
  7. 7. The turnover mechanism for workpiece holders as set forth in claim 6, wherein the mounting hole is internally formed with a profiled groove, and the surface of the turnover shaft is formed with a protrusion matching the profiled groove.
  8. 8. The turnover mechanism for workpiece holders as set forth in claim 6, wherein the mounting base is provided with a first limiting hole and a second limiting hole in a penetrating manner, and the extending directions of the first and second limiting holes are vertically crossed and are communicated with the mounting hole.
  9. 9. The turnover mechanism for workpiece holders according to claim 1, wherein the sucker support comprises a base plate, transverse plates and longitudinal plates, the base plate is detachably connected with the mounting base, the two transverse plates are arranged at intervals along the length direction of the base plate and are detachably connected with the base plate, and the two longitudinal plates are symmetrically arranged about the base plate and are detachably connected with the two transverse plates respectively; wherein, the transverse plate and the longitudinal plate are vertically crossed.
  10. 10. The turnover mechanism for workpiece holders as set forth in claim 9, wherein the middle parts of the transverse plate and the longitudinal plate are provided with bar-shaped through holes in a penetrating way, and the vacuum chuck is installed on the transverse plate and the longitudinal plate through the bar-shaped through holes and can adjust positions along the bar-shaped through holes.

Description

Turnover mechanism for workpiece clamp Technical Field The utility model relates to the technical field of fixture tools, in particular to a turnover mechanism for a workpiece clamp. Background In the automatic processing flow of workpieces such as electronic components, precise parts and the like, clamping and overturning of the workpieces are key links for realizing full-flow automation. Conventional workpiece tilting mechanisms typically employ a single mechanical arm or fixture to accomplish the motion, but the prior art suffers from the following significant drawbacks: The traditional turnover mechanism is mostly driven by a gear rack or a connecting rod, the mechanical structure is complex, the position and the driving parameters of the clamp are required to be readjusted when workpieces with different specifications are replaced, the debugging takes up to a plurality of hours, and the equipment utilization rate is low during small-batch production. And the existing mechanism is usually designed for workpieces with specific sizes, and when the sizes (such as length and thickness) of the workpieces are changed, the clamping and positioning precision is greatly reduced. When the mechanical claw is adopted for clamping, the special clamping jaw is required to be replaced for workpieces with different sizes, so that the cost is high, the efficiency is low, and the requirements of flexible production of multiple varieties cannot be met. Disclosure of utility model The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide a turnover mechanism for a workpiece clamp, so as to improve turnover efficiency. The aim of the utility model can be achieved by the following technical scheme: The utility model provides a tilting mechanism is taken to work piece clamp, includes lift cylinder, mount table, motor, bearing frame, trip shaft, mount pad, base plate and vacuum chuck, the expansion end and the mount table of lift cylinder are connected, install motor and bearing frame on the mount table, and band pulley one is connected to the output of motor, and band pulley two is connected in the bearing frame internal rotation, and band pulley two is connected to the one end of trip shaft, and band pulley one is connected with the band pulley two through the drive of drive belt, and the other end of trip shaft is connected with the sucking disc support through the mount pad, is provided with a plurality of vacuum chuck on the sucking disc support. In some embodiments of the invention, a shield is arranged on the outer side of the transmission belt, and the shield is fixed on the mounting table and used for protecting the transmission belt, the belt wheel I and the belt wheel II. In some embodiments of the invention, the cylinder body of the lifting cylinder is fixed on external equipment through bolts, and the movable end of the lifting cylinder is connected with the mounting table through a flange, so that the mounting table can be driven to move up and down. In some embodiments of the invention, the lifting cylinders are two in number, and the two lifting cylinders are symmetrically arranged about the midline of the mounting table. In some embodiments of the present invention, a limiting seat is disposed on the outer side of the mounting table corresponding to the turning shaft, and the limiting seat is fixed on the mounting table and is used for limiting the turning angle of the turning shaft. In some embodiments of the invention, the mounting seat is provided with a mounting hole, a telescopic opening and a tensioning hole, and the mounting hole is positioned at the center of the mounting seat and is fixedly connected with the overturning shaft; The telescopic opening is used for communicating the mounting hole with the outside, and the tensioning hole is internally connected with a screw in a threaded manner and penetrates through the telescopic opening for adjusting the opening amplitude of the mounting hole. In some embodiments of the present invention, a special-shaped groove is formed inside the mounting hole, and a protrusion matched with the special-shaped groove is formed on the surface of the turning shaft. In some embodiments of the present invention, the mounting seat is provided with a first limiting hole and a second limiting hole in a penetrating manner, and the extending directions of the first limiting hole and the second limiting hole are perpendicular to each other and are both communicated with the mounting hole. In some embodiments of the present invention, the suction cup support includes a base plate, a transverse plate and a longitudinal plate, the base plate is detachably connected with the mounting base, the two transverse plates are arranged at intervals along the length direction of the base plate and are detachably connected with the base plate, and the two longitudinal plates are symmetrical