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Clamping device

A clamping device and hydraulic device technology, applied in the field of workpiece processing, can solve the problems of high manufacturing and use costs, large space occupation, environmental pollution, etc., and achieve the effects of no pollution in occupied space, low energy loss, and low cost

Active Publication Date: 2012-10-03
SUZHOU CHUANGNENG NEW ENERGY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when using a pump for energy conversion, there are disadvantages such as energy loss, high noise, high manufacturing and use costs, and the use of the pump is affected by the location of the pump station. The use of hydraulic transmission also has disadvantages such as environmental pollution and large space occupation.

Method used

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Experimental program
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Embodiment Construction

[0023] The embodiment of the present invention discloses a clamping device, comprising:

[0024] The first hydraulic device includes a first hydraulic cylinder, a first piston rod, and an elastic member located between the first hydraulic cylinder and the first piston rod;

[0025] The second hydraulic device includes a second hydraulic cylinder and a second piston rod, the second hydraulic cylinder is connected to the first hydraulic cylinder and provides hydraulic oil for it;

[0026] The driving device includes a motor, a screw and a nut. The nut has a screw hole. The surface of the screw rod is threaded in conjunction with the screw hole and the screw is rotated in the screw hole. The motor is connected to the The screw rod drives the screw rod to rotate, the screw rod rotates to drive the nut to move along the extending direction of the screw rod, and the nut is connected to the second piston rod to drive the second piston rod movement.

[0027] The clamping device prov...

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PUM

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Abstract

The invention relates to a clamping device. The clamping device comprises a first hydraulic device, a second hydraulic device and a driving device, wherein the first hydraulic device comprises a first hydraulic cylinder, a first piston rod and an elastic piece which is positioned between the first hydraulic cylinder and the first piston rod; the second hydraulic device comprises a second hydraulic cylinder and a second piston rod; the second hydraulic cylinder is communicated to the first hydraulic cylinder and is used for providing hydraulic oil for the first hydraulic cylinder; the driving device comprises a motor, a screw rod and a nut; the nut is provided with a screw hole; a thread matched with the screw hole is formed on the surface of the screw rod, and the screw rod is arranged in the screw hole in a rotating mode; the motor is connected to the screw rod and is used for driving the screw rod to rotate; the screw rod rotates to drive the nut to move along the extension direction of the screw rod; and the nut is connected to the second piston rod to drive the second piston rod to move. The clamping device is supplied with power through the motor, low in energy loss, noise and cost and pollution-free and occupies a small space.

Description

technical field [0001] The invention belongs to the field of workpiece processing, and more specifically relates to a device for clamping workpieces. Background technique [0002] Whether it is traditional machinery manufacturing or modern machinery manufacturing, the role of machine tool fixtures is very important. The core of the machine tool fixture is the clamping device. [0003] Clamping devices used in industrial production generally adopt hydraulic or pneumatic transmission. The hydraulic transmission method requires the hydraulic pump to provide hydraulic oil with existing pressure, and the pneumatic transmission method requires the air pump to provide compressed air. However, when using a pump for energy conversion, there are disadvantages such as energy loss, high noise, high manufacturing and use costs, and the use of the pump station is affected by the location of the pump station. The hydraulic transmission also has disadvantages such as environmental pollutio...

Claims

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Application Information

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IPC IPC(8): B23Q3/00
Inventor 吴冬敏沈铭
Owner SUZHOU CHUANGNENG NEW ENERGY IND