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Die clamping device

A technology of clamping device and mold, applied in the direction of workpiece clamping device, manufacturing tools, etc., can solve the problems of poor reliability, laborious operation, etc., and achieve the effects of improving stability, convenient use, and preventing sideways sliding

Inactive Publication Date: 2016-04-06
JIANGSU DATONG AUTOMOBILE MOLD PART CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to solve the problems of laborious operation and poor reliability of the traditional mold manual clamping device, the present invention provides a more convenient and stable mold clamping device to solve the above problems

Method used

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Embodiment 1）

[0023] Such as figure 1 and figure 2 As shown, the mold clamping device of this embodiment includes a rotating shaft 1 , a pressing block 2 , a base 3 , a large piston 4 , a small piston 5 and a bolt 6 .

[0024] The lower part of the base 3 is an inverted T-shaped structure, the mold bottom plate 7 is provided with an inverted T-shaped channel, the base 3 is installed in the channel of the mold bottom plate 7; the inside of the base 3 is provided with an oil passage 31, and the oil passage 31 It consists of two sections, a large cross-section oil passage and a small cross-section oil passage. A large piston 4 is installed in the large cross-section oil passage, and a small piston 5 is installed in the small cross-section oil passage. The cross-sectional area of ​​the large piston 4 is the same as that of the small piston. The ratio of the piston cross-sectional area of ​​5 is 16; the base 3 is also provided with a bolt 6, which is fixedly connected with the small piston 5; ...

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Abstract

The invention relates to a die clamping device which comprises a rotary shaft, a pressing block, a base, a large piston, a small piston and a bolt. The base is installed in a reversed-T-shaped channel of a bottom board of a die. An oil passage is arranged in the base and composed of a large-section oil passage body and a small-section oil passage body, the large piston is arranged in the large-section oil passage body, the small piston is installed in the small-section oil passage body, and the small piston is connected with the bolt. The pressing block is hinged to the base through the rotary shaft. The rotary shaft penetrates the middle of the pressing block. One end of the pressing block makes contact with the large piston. The die clamping device comprises the pressing block adopting the lever principle and the oil passage adopting the Pascal principle, the die can be clamped by rotating the bolt, operation is convenient and quick, and labor is saved.

Description

technical field [0001] The invention relates to a mold clamping device, in particular to a manual mold clamping device. Background technique [0002] In machining, it is often necessary to install various molds on the worktable, and one of the important steps is to fix and clamp the molds. In the prior art, there are two kinds of clamping molds: manual clamping and automatic clamping. The mold automatic clamping device generally uses power devices such as motors, hydraulic equipment or pneumatic equipment to realize automatic clamping. The structure of the device is complex and the cost is high, and it is suitable for mold equipment with a high degree of automation or large-scale mold equipment. For small-sized mold equipment, low-cost and flexible manual clamping devices are often used. The common manual clamping device is to set an inverted T-shaped channel on the workbench or the mold bottom plate, set screw holes on the mold, and screw the bolts into place. Through the...

Claims

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Application Information

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IPC IPC(8): B25B11/00
CPCB25B11/00
Inventor 曾芳
Owner JIANGSU DATONG AUTOMOBILE MOLD PART CO LTD