Universal tapper

A hole opener and jack technology, which is applied in metal processing, fluid pressure actuating devices, etc., can solve the problems of hose detachment, inconvenience in use, breakage, etc., and achieves easy change, simple structure, and oil circuit tightness. Good results

Active Publication Date: 2010-07-14
TAIZHOU JULI TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the hose is not supported, the cylinder and the hydraulic pump are actually two mechanisms
When working, it is necessary to operate two parts at the same time, which is not particularly convenient to use
On the other hand, when moving, the two parts must be moved at the same time. Once the handling is improper, the hose will be separated or broken due to dragging.

Method used

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Examples

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Embodiment Construction

[0022] Such as figure 1 As shown, this universal hole opener is made up of parts such as oil pump body 1, oil cylinder 2, oil storage chamber 3, connecting pipe 4, double-hole joint 5, movable handle 8, fixed handle 9. The piston rod of the oil cylinder 2 is fixedly connected with a male mold for opening holes, and the male mold can cooperate with the female mold to realize the drilling of workpieces or metal plates.

[0023] Such as figure 1 with figure 2 As shown, the oil pump body 1 is respectively connected with the oil cylinder 2 and the oil storage chamber 3 through the oil passage. Between the oil cylinder 2 and the oil pump body 1 is provided a rigid movable coupling mechanism for connecting the two oil passages. The movable connection mechanism includes a curved connecting pipe 4, one end of the connecting pipe 4 is hinged with the oil outlet bolt 1a of the oil pump body 1, the other end is hinged with the socket 1 5a of the double-hole joint 5, and the socket 2 o...

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PUM

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Abstract

A universal perforator has a cylinder, an oil storage cavity, an oil pump between said cylinder and oil storage cavity and with a pressurizing unit for pumping to oil from oil storage cavity into cylinder, a perforating male die fixed to the piston rod of cylinder, and a movable coupling mechanism for coupling between two oil channels of cylinder and oil pump.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a hole saw for punching holes in metal plates. Background technique [0002] In order to make holes in workpieces or metal plates, various hydraulic hole saws have been designed. Generally, there are two connection methods between the cylinder of the hole saw and the oil pump body. The first kind of scheme is that the two are fixedly connected into one body, although this hole opener is convenient to move and operate. However, because the hole opener is designed in one piece and has a large volume, it is impossible to put the whole device into and operate normally in the occasions where the operating space is small, and its application range is greatly limited. [0003] For this reason, also people have designed another kind of scheme, for example a kind of hydraulic hole opener [CN02150961.1] disclosed in Chinese patent literature, is made of cylinder block, base...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B26F1/38B26F1/40B26D5/10B26D5/12B21D28/20F15B15/18
Inventor 张银根
Owner TAIZHOU JULI TOOLS
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