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Pipe fittings notching-machine

A technology of groove pressing machine and pipe fittings, applied in the field of pipe fitting pressing groove machine, can solve the problems of inconvenient operation, complex structure, narrow pipe diameter range, etc.

Inactive Publication Date: 2008-01-02
李玉民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current equipment for processing such grooves is complex in structure, inconvenient to operate, and the diameter range of the processed pipes is relatively narrow, which affects the processing of pipe grooves to a certain extent and affects people's pipe connection work

Method used

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  • Pipe fittings notching-machine

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Experimental program
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Effect test

Embodiment Construction

[0011] With reference to the accompanying drawings, a pipe fitting grooving machine of the present invention includes a base 1, a frame 2 arranged on the base 1, a main shaft 4 and a grooving wheel 7 are rotatably arranged on the frame 2, and the grooving wheel 7 is provided with a radial annular protrusion 71, one end of the main shaft 4 is connected to the output end of the deceleration drive device 3 that can drive the main shaft 4 to rotate at a low speed, and the other end of the main shaft 4 is detachably fixed with a supporting wheel 8. The wheel 8 is provided with a radial annular groove 81, and the grooving machine is also provided with a propelling device that can push the grooving wheel 7 to move. The propelling device can adopt a pressure pump 5 and a piston type as shown in the accompanying drawings The hydraulic propulsion device composed of the oil cylinder 51 drives the movement of the groove wheel 7 through the piston cylinder 51, which improves the stability o...

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PUM

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Abstract

The invention discloses a notching machine of pipe fitting, comprising frame set on the base, notching wheel with main shaft and radial ring hill set on the frame rotationally. The notching machine of pipe fitting also comprises deceleration driving device, of which the outputting end is connected with one end of main shaft and which drives the main shaft rotate in low speed; pushing device which can push notching wheel move. Support wheel, which can be assembled or disassembled, is fixed at the other end of said main shaft and radial ring concave groove is set on the support wheel. Guiding device, which can control the notching wheel move on the radial direction of support wheel so that the ring hill moves near of far from the ring concave groove on the radial direction is set on the frame. The invention is provided with simple structure. The pipe-diameter range of pipe is big and pipe connecting work is convenient.

Description

technical field [0001] The invention relates to a device for processing grooves on pipe fittings, in particular to a pipe fitting grooving machine capable of processing annular grooves at pipe ends to facilitate pipe connection. Background technique [0002] Pipeline connection operations, such as the connection of tap water pipes and the connection of fire-fighting pipes, are widely used in connection methods such as threaded connection, flange connection, welding, etc. Among them, the threaded connection is usually processed with a taper on the outer circumference of the pipe end. Threaded, the pipes are connected together through threaded pipe joints, which are mostly used in pipe connections with small pipe diameters; while flange connections are usually used in the case of large pipe diameters and relatively high pressure inside the pipes. In order to fix a flange at the pipe end first, and then connect the pipes together by rivets or bolts, welding is to directly weld ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D17/04
Inventor 李玉民刘洪宇
Owner 李玉民
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