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Hydraulic telescopic type positioning pin

A telescopic and positioning pin technology, which is applied in the field of positioning pins, can solve the problems of reducing work efficiency, increasing workload, and high assembly costs, and achieves the effects of reducing auxiliary time for workpiece processing, increasing service life, and smooth and continuous transmission

Inactive Publication Date: 2012-06-13
NANJING VOCATIONAL UNIV OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the structure of the fixed positioning pin is simple, it cannot be stretched, so that when installing and disassembling the workpiece, the workpiece needs to be lifted to a certain height, which increases the workload during processing and reduces work efficiency.
However, the traditional locating pins that are telescopically realized by the crank slider mechanism can realize the free telescoping of the locating pins, but the structure is complex, there are too many parts, it is inconvenient to process, and it is not easy to assemble and shape, and the manufacturing, processing and assembly costs are high.

Method used

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  • Hydraulic telescopic type positioning pin
  • Hydraulic telescopic type positioning pin

Examples

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Embodiment Construction

[0012] A hydraulically driven telescopic positioning pin according to the present invention, see figure 1 The telescopic positioning pin includes a pin body 1, a hydraulic cylinder 2, a telescopic rod 3, a flat cam 4, a push rod 5, a roller 6 and a clamp body 7, and the hydraulic cylinder 2, push rod 5 and telescopic rod 3 are installed on the clamp body On 7; the hydraulic cylinder 2 is connected with one end of the push rod 5; the flat cam 4 is fixed on the push rod 5, and the flat cam is disc-shaped, and the number of the flat cams can be set as required, which is two in the present embodiment. A spring 8 is sheathed on the telescopic rod 3 , and a roller 6 cooperating with the flat cam 4 is arranged on the telescopic rod 3 and positioned at the lower end of the spring 8 ;

[0013] When in use, the hydraulic cylinder pushes the telescopic rod and the flat cam to move, so that the flat cam passes through the roller, pushes the push rod to move upwards, and reaches the workin...

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PUM

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Abstract

The invention discloses a hydraulic driving telescopic type positioning pin, which comprises a pin body, a hydraulic cylinder, a telescopic rod, a flat plate cam, a push rod, a roller and a clamp body, wherein the hydraulic cylinder, the push rod and the telescopic rod are arranged on the clamp body, the hydraulic cylinder is connected with one end of the push rod, the flat plate cam is fixedly arranged on the push rod, a spring is sheathed outside the telescopic rod, the roller matched with the flat plate cam is arranged on the telescopic rod and is positioned at the lower end of the spring, and the pin body is arranged on the telescopic rod and is positioned at the upper end of the spring. The hydraulic driving telescopic type positioning pin is used for processing and positioning a box body type workpiece with two holes at one side, the structure is simple, the operation is simple and convenient, and the positioning is reliable.

Description

technical field [0001] The invention relates to a positioning pin, in particular to a hydraulic telescopic positioning pin. technical background [0002] The traditional positioning device with two pins on one side has both fixed positioning pins and positioning pins that are telescopically realized by the slider crank mechanism. Although the structure of the fixed locating pin is simple, it cannot be telescopic, so that when the workpiece is installed and disassembled, the workpiece needs to be lifted to a certain height, which increases the workload during processing and reduces work efficiency. However, the traditional positioning pin realized by the crank-slider mechanism can realize the free expansion and contraction of the positioning pin, but the structure is complicated, there are too many parts, it is not convenient to process, it is not easy to assemble and shape, and the manufacturing process and assembly cost is high. Contents of the invention [0003] Aiming ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00
Inventor 贺炜
Owner NANJING VOCATIONAL UNIV OF IND TECH
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