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Oil spraying device

A technology of fuel injection device and fuel injection port, which is applied in the direction of metal processing equipment, forming tools, manufacturing tools, etc. It can solve the problems of poor copper tube effect and flat copper tube, and achieve low friction, good effect quality, high efficiency effect

Inactive Publication Date: 2012-06-20
OMS MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the mandrel head does not have lubricating oil, the friction with the inner wall of the copper tube becomes larger when the tube is bent, and the copper tube may be flattened at the bend of the copper tube, that is, the inner diameter of the bend of the copper tube is not round. Shaped, the effect of the copper pipe bent in this way is not very good

Method used

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the drawings:

[0019] As shown in the figure, a fuel injection device includes an oil storage tank 2 and a core stem valve plate 3 arranged on a frame 1. The oil outlet pipe 4 and the intake pipe 5 of the oil storage tank 2 are respectively connected to the core rod The valve plate 3 is in the corresponding oil inlet and air inlet holes. A plurality of fuel injection ports are provided in the core stem valve plate 3. A hollow core rod 6 is correspondingly connected to each fuel injection port. The core rod 6 penetrates into the round tube to be processed, not shown in the figure, and can be sprayed to the part where the round tube needs to be bent. In this embodiment, the round tube generally refers to a copper tube.

[0020] In this way, the oil in the oil storage tank 2 is transported to the core stem valve plate 3 through the oil outlet pipe 4 and sprayed from each oil injection port, and then...

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PUM

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Abstract

The invention relates to an oil spraying device, comprising an oil storage tank and a core rod valve plate, which are arranged on a rack, wherein an oil outlet pipe and an air inlet pipe of the oil storage tank are respectively connected with an oil inlet hole and an air inlet hole of the core rod valve plate correspondingly; a plurality of oil spraying openings are arranged in the core rod valve plate; each oil spraying opening is correspondingly connected with a hollow core rod; and each core pod penetrates into a circular tube needing to be machined, so as to spray the oil into the part needing to be bent in the circular tube. The invention provides the oil spraying device which has the advantages of simple structure, better tube bending effect and capability of sufficiently lubricating core rod heads, thereby overcoming disadvantages in the prior art.

Description

【Technical Field】 [0001] The invention relates to a fuel injection device. 【Background technique】 [0002] When the existing pipe bending machine is bending the pipe, it is to bend the long copper pipe into a U-shaped pipe, and the mandrel will be extended into the copper pipe, so that the mandrel extends into the copper pipe and needs to be bent Afterwards, the bending mechanism of the pipe bender bends the copper pipe at a certain angle, usually 180 degrees, so that the copper pipe is bent, and then the mandrel is pulled out. Since the mandrel head has no lubricating oil, the friction with the inner wall of the copper tube becomes greater when the tube is bent, and the copper tube may be flattened at the bend of the copper tube, that is, the inner diameter of the bend of the copper tube is not round The shape of the copper tube is not very good. [0003] The present invention was made under such circumstances. [Content of the invention] [0004] The purpose of the present inven...

Claims

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Application Information

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IPC IPC(8): B21D9/16B21D37/18
Inventor 龙晓斌李日江丘冠军
Owner OMS MASCH CO LTD