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CN-224223703-U - Pneumatic clamp for upper joint

CN224223703UCN 224223703 UCN224223703 UCN 224223703UCN-224223703-U

Abstract

The utility model provides an upper joint pneumatic clamp, and belongs to the technical field of pneumatic clamps. The multi-cylinder clamping device solves the problems that in the prior art, sealing reliability is poor, an air path is single, and multiple cylinders or complex clamping actions cannot be expanded. The pneumatic clamping device comprises a mounting base, a pneumatic clamping unit and an air channel interface module, wherein a plurality of mounting holes are formed in the mounting base, the pneumatic clamping unit comprises an air cylinder barrel, a piston rod, a piston assembly, a piston end cover and a base supporting block, an upper connector and a lower connector are respectively formed at the upper end and the lower end of the piston end cover, the upper connector and the lower connector are mutually communicated, the piston assembly is sleeved outside the upper connector, the piston rod penetrates through the upper connector and the lower connector, the air cylinder barrel is covered outside the piston assembly, a driving connector is mounted at the upper end of the base supporting block, the piston rod is connected with the driving connector, and the air channel interface module is fixedly mounted on the side surface of the mounting base. The utility model has the advantages of multi-station synchronous clamping and good sealing effect.

Inventors

  • JIN XIANRONG
  • YANG LINMAO
  • CHEN ZHENFA

Assignees

  • 浙江中骆机械制造有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (5)

  1. 1. An upper joint pneumatic clamp comprises a mounting base (1), a pneumatic clamping unit (2) and an air passage interface module (3), and is characterized in that the mounting base (1) is in a rectangular body shape, a plurality of mounting holes (11) are formed in the mounting base (1), the number of the pneumatic clamping units (2) is a plurality of, the pneumatic clamping unit (2) comprises a cylinder barrel (21), a piston rod (22), a piston assembly (23), a piston end cover (24) and a base support block (25), an upper connector (241) and a lower connector (242) are respectively formed at the upper end and the lower end of the piston end cover (24), the interiors of the upper connector (241) and the lower connector (242) are in an open pore structure and are communicated with each other, the piston assembly (23) is sleeved outside the upper connector (241), the piston rod (22) passes through the upper connector (241) and the lower connector (242) and the upper end part of the piston rod (22) is fixed with the upper end part of the piston assembly (23), the cylinder barrel (21) is covered outside the piston assembly (23), the upper end cover (242) is provided with a driving end (4) and extends out of the upper connector (242), the air passage interface module (3) is fixedly arranged on the side face of the mounting base (1).
  2. 2. The pneumatic fixture for the upper joint of claim 1, wherein the lower end of the cylinder barrel (21) is provided with a sealing groove (211).
  3. 3. The pneumatic clamp for the upper joint according to claim 1, wherein a sealing base (243) is formed at the upper end of the piston end cover (24), and the lower end face of the cylinder barrel (21) is attached to the upper end face of the sealing base (243).
  4. 4. The pneumatic fixture for the upper joint according to claim 1, wherein a plurality of end cover bolts (5) are fixedly penetrated in the piston end cover (24), and the end cover bolts (5) are fixedly connected with the mounting base (1).
  5. 5. The pneumatic clamp for the upper joint of the pneumatic clamp body is characterized in that the base supporting block (25) is attached to the lower end face of the mounting base (1), and supporting block bolts (6) are fixedly arranged in the mounting base (1) and the base supporting block (25).

Description

Pneumatic clamp for upper joint Technical Field The utility model belongs to the technical field of pneumatic clamps, and relates to an upper joint pneumatic clamp. Background The pneumatic fixture for the upper joint is an efficient clamping device which takes pneumatic drive as a core and adapts to an automatic production line, and is in seamless butt joint with an air source or equipment through a top quick connection interface, so that the accurate positioning and quick clamping of a workpiece are realized. The Chinese patent with the patent publication number of CN204844660U discloses a pneumatic clamp, which comprises a body, wherein one side surface of the body is provided with a handle, the other side surface of the body is convexly provided with a mounting part, the end part of the mounting part is provided with a mounting hole for loading hardware parts, the body is provided with a guide positioning hole for aligning and mounting on a die, a first air passage communicated with the mounting hole is arranged in the body, a second air passage communicated with the first air passage is arranged in the handle, the second air passage is connected with an air pipe for connecting high-pressure air through a sealing joint fixed at the bottom end of the handle, and the first air passages are through holes which are staggered horizontally and vertically and penetrate through the body, and a sealing plug is inserted and fixed on a through hole positioned on the surface of the body. In the pneumatic clamp provided by the patent, the air passage of the horizontal through hole and the vertical through hole is depended on to be inserted with a sealing plug, the sealing reliability is poor, the air passage is single, only a single station is driven, and the multi-cylinder or complex clamping action cannot be expanded. Disclosure of utility model The utility model aims to solve the problems in the prior art and provides an upper joint pneumatic clamp. The pneumatic clamp for the upper joint comprises a mounting base, a pneumatic clamping unit and a gas path interface module, wherein the mounting base is rectangular, a plurality of mounting holes are formed in the mounting base, the pneumatic clamping unit comprises a cylinder barrel, a piston rod, a piston assembly, a piston end cover and a base supporting block, an upper connector and a lower connector are respectively formed at the upper end and the lower end of the piston end cover, the inside of the upper connector and the inside of the lower connector are of an open-pore structure, the upper connector and the lower connector are mutually communicated, the piston assembly is sleeved outside the upper connector, the piston rod penetrates through the upper connector and the lower connector and the upper end part of the piston rod is fixed with the upper end part of the piston assembly, the cylinder barrel is covered outside the piston assembly, a driving connector is mounted at the upper end of the base supporting block, the piston rod extends out of the lower connector and is connected with the driving connector, and the gas path interface module is fixedly mounted on the side surface of the mounting base. In the pneumatic clamp for the upper joint, the sealing groove is formed in the lower end of the cylinder barrel. In the pneumatic clamp for the upper joint, a sealing base is formed at the upper end of the piston end cover, and the lower end face of the cylinder barrel is attached to the upper end face of the sealing base. In the pneumatic fixture for the upper joint, a plurality of end cover bolts are fixedly arranged in the piston end cover in a penetrating manner, and the end cover bolts are fixedly connected with the mounting base. In the pneumatic clamp for the upper joint, the base support block is attached to the lower end face of the mounting base, and support block bolts are fixedly arranged in the mounting base and the base support block. The upper joint pneumatic clamp has the advantages that 1, a plurality of groups of pneumatic clamping units are integrated on the installation base, multi-station synchronous clamping is supported through the air channel interface module, 2, the sealing groove at the lower end of the cylinder barrel is tightly attached to the sealing base of the piston end cover, the sealing groove is rigidly fixed by matching with the end cover bolt, the leakage rate is greatly reduced, each pneumatic unit is rigidly connected with the installation base through the supporting block bolt and the end cover bolt, the sealing precision still keeps high coaxiality under the vibration environment, the uniformity of clamping force is improved, and the upper joint pneumatic clamp is suitable for high-precision processing scenes. Drawings FIG. 1 is a schematic view of the overall structure of the present utility model; fig. 2 is a schematic view of a pneumatic clamping unit structure and an explosion structure. In the figure, 1, a mountin