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Double-station pneumatic fixture

A pneumatic clamp and double-station technology, applied in the direction of manufacturing tools, clamping, positioning devices, etc., can solve the problems of clamping effect and cylinder volume and environmental protection, and achieve the realization of compact structure of the clamp, simple structure, lifting clamp The effect of the tightening effect

Inactive Publication Date: 2014-11-26
SUZHOU INST OF INDAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned defects in the prior art, the purpose of the present invention is to propose a double-station pneumatic clamp to solve the contradiction between the clamping effect and the volume of the cylinder in the operation of the traditional machine tool and the problem of environmental protection

Method used

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Embodiment Construction

[0011] The invention innovatively proposes a double-station pneumatic clamp, which solves the contradiction and difficult problem between the clamping pressure of the pneumatic clamp and the cylinder volume.

[0012] Such as figure 2 As shown, the double-station pneumatic clamp consists of an air pump (not shown), a pneumatic tendon 4, two sets of push rod mechanisms and two clamping elements 3. There is also a two-station for output control between the above-mentioned air pump and the pneumatic tendon. Position four-way valve 2. The pneumatic tendon 4 is a driving source capable of radial expansion and axial contraction after being filled with compressed air. One end of the pneumatic tendon is fixed, and the other end is connected with a coaxially telescopic piston rod 41, and the bottom of the piston rod is fixed with Reset spring 42. By filling compressed air into the pneumatic tendon, the pneumatic tendon then generates an axial tensile force. In order to meet the require...

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Abstract

The invention discloses a double-station pneumatic fixture which is composed of an air pump, a pneumatic tendon, two push rod mechanism sets and two clamping elements. The pneumatic tendon is a drive source which has the radial expansion ability and axial shrinkage ability after the compressed air is inflated, one end of the pneumatic tendon is fixed, and the other end of the pneumatic tendon is provided with a piston rod which is telescopic in the coaxial direction. The bottom of the piston rod is fixedly provided with a reset spring. Any push rod mechanism set comprises a toggle rod and a constant reinforcement lever, wherein one end of the toggle rod and one end of the constant reinforcement lever are connected in a hinged mode, the other end of the toggle rod is hinged to the piston rod, and the other end of the constant reinforcement lever is fixed and the position of the middle segment of the constant reinforcement lever is externally connected with the clamping elements through a connection rod. The force output direction of the piston rod is consistent with the clamping direction. The pneumatic fixture is simple in structure, the requirement for compactedness of a fixture structure is met through the pneumatic tendon which is good in flexibility, large in the output force to diameter ratio and high in the output force to weight ratio and the angle and length force amplification effect of the toggle rod and the constant reinforcement lever, and meanwhile, the clamping effect is improved.

Description

Technical field [0001] The invention relates to a pneumatically driven double-station clamp, in particular to a double-station clamp with larger output force and good clamping effect. Background technique [0002] The machine tool fixture is one of the components of the process system. In its design, the basic requirement is that the output clamping force should be large enough to not loosen during the machining process. It can be met by different boosting mechanisms according to actual needs. At the same time, in actual production, many parts need to be mass-produced. In this case, if multiple workpieces can be clamped at the same time, it will definitely improve production efficiency. [0003] The existing principle of a double-station fixture is as follows figure 1 As shown, and as the source of the clamping force of the machine tool fixture F i There are many forms such as manual, hydraulic, pneumatic, electromagnetic, vacuum and centrifugal force. Among them, the hydraulic sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00
CPCB23Q3/00B23Q2703/04
Inventor 鹿霖钟康民胡炜沈玲莉许萍
Owner SUZHOU INST OF INDAL TECH
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