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CN-224209139-U - Cylinder-driven chuck clamping jaw

CN224209139UCN 224209139 UCN224209139 UCN 224209139UCN-224209139-U

Abstract

The utility model discloses a cylinder-driven chuck clamping jaw, which relates to the field of chuck clamping jaws and comprises a chuck, wherein a sliding groove is formed in the chuck, a sliding block is arranged in the sliding groove in a sliding mode, clamping jaws are fixedly arranged on the sliding block, a cross mounting frame is arranged on the chuck, two pairs of limiting rods are fixedly arranged on the side face of the chuck, a first movable disc is arranged on one pair of limiting rods in a sliding mode, a second movable disc is arranged on the other pair of limiting rods in a sliding mode, and a first driving rod is fixedly arranged on the bottom side of the first movable disc. According to the utility model, the first driving cylinder and the second driving cylinder are used as power sources, so that the clamping force of the clamping jaw is limited, excessive pressure on a tool cannot be generated, meanwhile, the movement of the first movable disc and the second movable disc is limited by the limiting rod, the stability of the movement of the clamping jaw is ensured, and the driving force of the cylinders is converted into the driving force of the clamping jaw movement by the L-shaped rotating rod, the transmission rod, the short connecting rod and the long connecting rod, so that the clamping jaw clamps a workpiece with higher precision.

Inventors

  • GUO LEI
  • GAO KUI
  • HU GUOJING

Assignees

  • 济南圣延机械设备有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (6)

  1. 1. A cylinder-driven chuck clamping jaw comprises a chuck (100) and is characterized in that a sliding groove (101) is formed in the chuck (100), a sliding block (102) is arranged in the sliding groove (101) in a sliding mode, a clamping jaw (103) is fixedly arranged on the sliding block (102), a cross mounting frame (104) is arranged on the chuck (100), two pairs of limiting rods (200) are fixedly arranged on the side face of the chuck (100), a movable disc I (201) is arranged on one pair of limiting rods (200) in a sliding mode, a movable disc II (202) is arranged on the other pair of limiting rods (200) in a sliding mode, a driving rod I (300) is fixedly arranged on the bottom side of the movable disc I (201), a driving cylinder I (301) is fixedly arranged at the tail end of the driving rod I (300), a mounting disc (302) is fixedly arranged on the driving cylinder I (301), a driving rod II (304) is fixedly arranged at the output end of the driving cylinder II (303), and one end of the driving rod II (304) is fixedly arranged on the movable disc II (202).
  2. 2. The cylinder-driven chuck jaw according to claim 1, wherein the chuck (100) is provided with a connecting groove (400), the slide block (102) is provided with a clamping groove (401), one side of the chuck (100) is fixedly provided with a mounting frame (402), the mounting frame (402) is rotatably provided with an L-shaped rotating rod (403), and one end of the L-shaped rotating rod (403) is movably arranged in the clamping groove (401).
  3. 3. A cylinder-driven chuck jaw according to claim 2, wherein the L-shaped rotating rod (403) is rotatably provided with a rotating shaft (407), and the rotating shaft (407) is fixedly arranged on the clamping groove (401).
  4. 4. The cylinder-driven chuck jaw according to claim 1, wherein the first movable plate (201) is fixedly provided with a transmission rod (404), the same short connecting rod (405) is rotatably provided between the transmission rod (404) and the corresponding L-shaped rotating rod (403), the second movable plate (202) is fixedly provided with a long connecting rod (408), and the same short connecting rod (405) is rotatably provided between the long connecting rod (408) and the corresponding L-shaped rotating rod (403).
  5. 5. The cylinder-driven chuck jaw according to claim 4, wherein the transmission shafts (406) are rotatably mounted at both ends of the short connecting rod (405), and the two transmission shafts (406) are fixedly mounted on the L-shaped rotation rod (403) and the transmission rod (404), respectively.
  6. 6. The cylinder-driven chuck jaw according to claim 1, wherein the end of the limit rod (200) slidably connected to the first movable plate (201) penetrates the second movable plate (202), and the limit rod (200) slidably connected to the second movable plate (202) penetrates the first movable plate (201).

Description

Cylinder-driven chuck clamping jaw Technical Field The utility model relates to the technical field of chuck clamping jaws, in particular to a cylinder-driven chuck clamping jaw. Background The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is an accessory of the machine tool for clamping and positioning the workpiece by utilizing radial movement of movable claws uniformly distributed on a chuck body, and generally consists of the chuck body, the movable claws and a claw driving mechanism 3. In the prior art, part of products have certain precision requirements on clamping jaws, and meanwhile, the workpiece is prevented from being damaged by too high clamping force of a clamp, so that a cylinder is required to drive the clamping jaws of the chuck to meet the demands of people. Disclosure of utility model The utility model aims to provide a chuck clamping jaw driven by an air cylinder, so that the problem that a part of products in the background art have certain precision requirements on the clamping jaw and the workpiece is damaged due to too high clamping force of a clamp is solved. The cylinder-driven chuck clamping jaw comprises a chuck, a sliding groove is formed in the chuck, a sliding block is slidably installed in the sliding groove, clamping jaws are fixedly installed on the sliding block, a cross mounting frame is arranged on the chuck, two pairs of limiting rods are fixedly installed on the side face of the chuck, a first movable plate is slidably installed on one pair of limiting rods, a second movable plate is slidably installed on the other pair of limiting rods, a first driving rod is fixedly installed on the bottom side of the first movable plate, a first driving cylinder is fixedly installed at the tail end of the first driving rod, a mounting plate is fixedly installed on the first driving cylinder, a second driving cylinder is fixedly installed on the mounting plate, a second driving rod is fixedly installed at the output end of the second driving cylinder, and one end of the second driving rod is fixedly installed on the second movable plate. Preferably, the chuck is provided with a connecting groove, the slide block is provided with a clamping groove, one side of the chuck is fixedly provided with a mounting frame, the mounting frame is rotatably provided with an L-shaped rotating rod, and one end of the L-shaped rotating rod is movably arranged in the clamping groove. Preferably, a rotating shaft is rotatably arranged on the L-shaped rotating rod, and the rotating shaft is fixedly arranged on the clamping groove. Preferably, a transmission rod is fixedly arranged on the first movable disc, the same short connecting rod is rotatably arranged between the transmission rod and the corresponding L-shaped rotating rod, a long connecting rod is fixedly arranged on the second movable disc, and the same short connecting rod is rotatably arranged between the long connecting rod and the corresponding L-shaped rotating rod. Preferably, the two ends of the short connecting rod are rotatably provided with transmission shafts, and the two transmission shafts are respectively and fixedly arranged on the L-shaped rotating rod and the transmission rod. Preferably, the tail end of the limiting rod which is in sliding connection with the first movable disc penetrates through the second movable disc, and the limiting rod which is in sliding connection with the second movable disc penetrates through the first movable disc. The beneficial effects of the utility model are as follows: According to the utility model, the first driving cylinder and the second driving cylinder are used as power sources, so that the clamping force of the clamping jaw is limited, excessive pressure on a tool cannot be generated, meanwhile, the movement of the first movable disc and the second movable disc is limited by the limiting rod, the stability of the movement of the clamping jaw is ensured, and the driving force of the cylinders is converted into the driving force of the clamping jaw movement by the L-shaped rotating rod, the transmission rod, the short connecting rod and the long connecting rod, so that the clamping jaw clamps a workpiece with higher precision. Drawings FIG. 1 is a schematic perspective view of a cylinder driven chuck jaw of the present utility model; FIG. 2 is a schematic side elevational view of a cylinder driven chuck jaw of the present utility model; FIG. 3 is a schematic cross-sectional view of a cylinder-driven chuck jaw of the present utility model; fig. 4 is a schematic cross-sectional view of a cylinder-driven chuck jaw in accordance with the present utility model. In the figure, 100, a chuck, 101, a sliding groove, 102, a sliding block, 103, a clamping jaw, 104, a cross mounting frame, 200, a limiting rod, 201, a first movable disk, 202, a second movable disk, 300, a first driving rod, 301, a first driving cylinder, 302, a mounting disk, 303, a second driving cyl