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CN-224223299-U - Floating clamp for brake drum machining

CN224223299UCN 224223299 UCN224223299 UCN 224223299UCN-224223299-U

Abstract

The utility model relates to the technical field of clamps for brake drum processing, and discloses a floating clamp for brake drum processing, which comprises a processing table, wherein slide bars are fixedly connected to the front side and the rear side of the top end of the processing table, clamping tables are connected to the outer walls of the slide bars in a sliding manner, transmission screw rods are rotatably connected to the outer walls of the opposite ends of the clamping tables, a support plate II is connected to the outer walls of the transmission screw rods through a moving group, connecting pipes are fixedly connected to the opposite ends of the clamping tables, an outer supporting plate is connected to the outer walls of the connecting pipes through a supporting group, a loading plate is fixedly connected to the bottom end of the processing table, a driving motor is fixedly connected to the top end of the loading plate, and a traction plate is connected to the driving end of the driving motor through a butt joint group. According to the utility model, the device is convenient to clamp and process the brake drums with different diameters, the self-adaptive adjustment of the length of the workpiece is realized, the positioning accuracy is ensured to be improved, and the full-stroke switching can be completed in a short time.

Inventors

  • ZHANG ZHUANGZHUANG
  • ZHANG HUA
  • LIU YONGJUN

Assignees

  • 河南华腾重工科技有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (7)

  1. 1. A floating clamp for machining a brake drum comprises a machining table (1) and is characterized in that slide bars (2) are fixedly connected to the front side and the rear side of the top end of the machining table (1), clamping tables (3) are slidably connected to the outer walls of the slide bars (2), transmission screw rods (7) are rotatably connected to the outer walls of opposite ends of the clamping tables (3), supporting plates II (15) are connected to the outer walls of the transmission screw rods (7) through moving groups, connecting pipes (8) are fixedly connected to the opposite ends of the clamping tables (3), outer supporting plates (10) are connected to the outer walls of the connecting pipes (8) through supporting groups, loading plates (19) are fixedly connected to the bottom ends of the machining table (1), driving motors (12) are fixedly connected to the top ends of the loading plates (19), and driving ends of the driving motors (12) are connected with traction plates (14) through butt joint groups.
  2. 2. The floating clamp for machining the brake drum according to claim 1, wherein the outer wall of the top end of the machining table (1) is fixedly connected with a supporting frame (4), the top end of the supporting frame (4) is fixedly connected with an electric hydraulic cylinder (5), and the driving end of the electric hydraulic cylinder (5) is fixedly connected with a supporting plate (6).
  3. 3. The floating clamp for machining the brake drum according to claim 1, wherein the movable group comprises adapter blocks (11) which are arranged on the outer wall of the transmission screw rod (7) and are in threaded connection, opposite ends of the second support plate (15) are respectively and rotatably connected to four sides of the outer wall of the adapter blocks (11), and opposite ends of the second support plate (15) are respectively and rotatably connected to the inner walls of opposite ends of the outer support plate (10).
  4. 4. A floating clamp for machining a brake drum according to claim 1, wherein the support group comprises first support plates (9) which are rotatably connected to the outer walls of the left and right ends of the connecting pipe (8), and opposite ends of the first support plates (9) are rotatably connected to the inner walls of opposite ends of the outer support plates (10).
  5. 5. A floating clamp for machining a brake drum according to claim 1, wherein the outer walls of opposite ends of the outer supporting plate (10) are fixedly connected with a first attaching plate (16), and the outer walls of opposite ends of the outer supporting plate (10) are fixedly connected with a second attaching plate (17).
  6. 6. The floating clamp for machining the brake drum according to claim 1, wherein the butt joint group comprises a rotating wheel (13) fixedly connected with the driving end of the driving motor (12), and the outer wall of the bottom end of the traction plate (14) is respectively connected with the front end and the rear end of the rotating wheel (13) in a rotating mode.
  7. 7. A floating clamp for machining a brake drum according to claim 1, wherein the opposite ends of the traction plates (14) are respectively and rotatably connected with a fixing plate (18), the opposite ends of the fixing plates (18) are respectively and fixedly connected to the bottom end of the clamping table (3), and the outer wall of the fixing plates (18) is slidably connected to the inner wall of the top end of the machining table (1).

Description

Floating clamp for brake drum machining Technical Field The utility model relates to the technical field of fixtures for machining brake drums, in particular to a floating fixture for machining brake drums. Background In the field of machining, a brake drum is used as a key component of an automobile brake system, the machining precision of the brake drum directly influences the braking performance, the safety and the service life, the brake drum is a cylindrical part made of cast iron or alloy, the machining process relates to precise turning or grinding of key parts such as an inner hole, an outer circle, an end face and the like, and the traditional clamping mode is easy to deform or process out of tolerance due to uneven clamping force or positioning error because of complex structure of the brake drum and strict requirements on form and position tolerances, so that a floating clamp is generated, and becomes key technological equipment for solving the problems. In the brake drum processing, the conventional clamp has the following problems that most of the brake drums are thin-wall parts, excessive clamping force or local stress concentration can cause elastic deformation of a workpiece, dimensional deviation is caused by stress release after processing, and when casting errors or previous working procedure deviations exist in a workpiece blank, fine compensation is difficult to carry out on the conventional clamp, auxiliary fixing is carried out by frequently adding gaskets, the efficiency is low, and the brake drums with different specifications are required to be replaced or debugged again, so that the requirements of various small-batch production are difficult to meet. In view of the above, the present application provides a floating jig for machining a brake drum. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a floating clamp for processing a brake drum, which is convenient for clamping and processing brake drums with different diameters by a device, realizes the self-adaptive adjustment of the length of a workpiece, ensures the improvement of positioning accuracy and can finish full-stroke switching in a short time. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a brake drum processing is with floating clamp, includes the processing platform, both sides are equal fixedly connected with slide bar around the processing platform top, slide bar outer wall sliding connection has the fixture platform, the fixture platform all rotates on the back of the body one end outer wall and is connected with the transmission lead screw, the transmission lead screw outer wall is connected with backup pad two through removing the group, the equal fixedly connected with connecting pipe of the relative one end of fixture platform, the connecting pipe outer wall is connected with outer fagging through supporting group, processing platform bottom fixedly connected with loading plate, loading plate top fixedly connected with driving motor, the driving motor drive end is connected with the traction plate through the butt joint group. Further, the outer wall of the top end of the processing table is fixedly connected with a supporting frame, the top end of the supporting frame is fixedly connected with an electric hydraulic cylinder, and the driving end of the electric hydraulic cylinder is fixedly connected with a supporting plate. Further, the movable group comprises a transfer block which is positioned on the outer wall of the transmission screw rod and is in threaded connection with the outer wall of the transmission screw rod, two opposite ends of the support plate are respectively and rotatably connected to four sides of the outer wall of the transfer block, and two opposite ends of the support plate are respectively and rotatably connected to the inner wall of one opposite end of the outer support plate. Further, the support group comprises a first support plate which is positioned on the four sides of the outer walls of the left end and the right end of the connecting pipe and is rotationally connected, and one opposite end of the first support plate is rotationally connected with the inner wall of the opposite end of the outer support plate respectively. Further, the outer wall of the opposite end of the outer support plate is fixedly connected with a first laminating plate, and the outer wall of the opposite end of the outer support plate is fixedly connected with a second laminating plate. Further, the butt joint group comprises a rotating wheel fixedly connected with the driving end of the driving motor, and the outer walls of the bottom ends of the traction plates are respectively connected to the front end and the rear end of the rotating wheel in a rotating mode. Further, the traction plate is connected with the fixed plate in a rotating mode at the opposite ends,