Automatic rotating device for spray-coating outer wall of bell end of nodular cast iron pipe

A ductile iron, automatic rotation technology, applied in the direction of injection device, device for coating liquid on the surface, coating, etc., can solve the problems of increasing the labor intensity of operators, affecting the appearance quality of the pipe, affecting the production efficiency, etc., to avoid manual labor. Cost and time-consuming, simple and practical structure, simple and convenient to use

Active Publication Date: 2014-11-19
河北新兴铸管有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, in the process of spraying the pipe, when spraying to the socket of the pipe, part of the asphalt sprayed by the spray gun will be sprayed on the top of the top pipe. During the rotation of the pipe, part of the paint on the top will stick to the pipe On the outer wall of the pipe, it not only affects the appe

Method used

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  • Automatic rotating device for spray-coating outer wall of bell end of nodular cast iron pipe
  • Automatic rotating device for spray-coating outer wall of bell end of nodular cast iron pipe

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] In the spraying process of the ductile iron pipe, the motor drives the tops installed at the two ports of the ductile iron pipe to rotate. The outer wall of the pipe is sprayed. When the spraying trolley walks to the socket end of the ductile iron pipe, if the spray gun is still sprayed in the original direction, a large part of the paint will be sprayed on the top of the top pipe and the ground, resulting in unnecessary material loss. And due to the paint sprayed on the top and the ground due to the rotation of the top, the paint sprayed on the top is thrown onto the ductile iron pipe again, which not only requires manual cleaning, but also causes unnecessary labor costs and waste of time. Increased labor intensity and delay time will also affect the appearance quality of ductile iron pipes.

[0017] The present invention ado...

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Abstract

The invention discloses an automatic rotating device for spray-coating the outer wall of a bell end of a nodular cast iron pipe and relates to the technical field of spraying equipment of nodular cast iron pipes. The automatic rotating device comprises a bearing block and a transmission shaft vertically penetrating the bearing block. A gear is mounted on the transmission shaft and meshes with a transverse rack. The transverse rack can slide side to side along a slide way of the bearing block. The lower end of the transmission shaft is provided with a structure connected with a spray gun. The top of the bearing block is provided with a structure connected with a spray-coating trolley. A return spring is disposed at one end of the transverse rack in a spring holder fixed to the bearing block. The automatic rotating device is simple in structure and convenient to use, waste of paints is reduced, labor intensity is reduced, and work efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of centrifugal casting of ductile iron pipes. Background technique [0002] Centrifugal ductile iron pipes have been widely used in cities due to their high resistance to internal and external pressure, good corrosion resistance and wear resistance, convenient construction, good interface sealing, and high safety factor in pipe network operation. Water supply pipelines and pipe network reconstruction. [0003] In the production process of ductile iron pipes, it is necessary to spray the outer wall of the pipes with an asphalt sprayer to increase the service life of the pipes and improve the appearance quality. The structure of the asphalt spraying machine is mainly composed of a spraying device, a top rotating device, a spraying trolley and a pipe lifting device. The pipe is lifted to the spraying position, and then the top is driven to travel through the clamping cylinder of the rotating device, the pipe ...

Claims

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Application Information

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IPC IPC(8): B05B13/02B05C13/02
CPCB05B13/0421
Inventor 朱传斌宋剑光李海顺
Owner 河北新兴铸管有限公司
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