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Pipe assembly welding external clamping device

A technology for pairing and pipe fittings, applied in auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve the problems of low alignment welding efficiency and difficult control of welding quality, reduce skill requirements and labor intensity, and improve welding quality. , the effect of increasing friction

Active Publication Date: 2015-11-18
HIMILE MECHANICAL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This kind of pipe group needs to increase and cut off the positioning block for the welding process, the alignment welding efficiency is low, and the welding quality is not easy to control

Method used

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  • Pipe assembly welding external clamping device
  • Pipe assembly welding external clamping device
  • Pipe assembly welding external clamping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1, such as figure 1 , figure 2 , image 3 As shown, a pair of pipe fitting welding external clamping device includes a base 1 on which two pair of pipe fittings 10 can be supported so that the two pair of pipe fittings 10 are located on the same axis and rotate synchronously. support device.

[0041] There are at least two sets of supporting devices arranged side by side. The supporting device is composed of at least two sets of rollers arranged side by side and capable of synchronous rotation, and the rollers of the roller sets are arranged coaxially;

[0042] Each set of roller sets includes two support rollers 7 arranged at a certain distance from front to back, and the support rollers 7 are connected to the power unit in transmission.

[0043] A compression device for compressing and fixing the pair of pipe fittings 10 is respectively installed at a corresponding position above each supporting device.

[0044] Several vertical roller frames 5 arranged ...

Embodiment 2

[0073] Example 2, such as Figure 5 As shown, in embodiment 1, the supporting rollers 7 near the front side are connected by the same connecting shaft 6 among the multiple groups of roller groups; the supporting rollers 7 near the rear side are also connected by the same connecting shaft 6 .

[0074] The power output shaft 4 of the reducer 2 is set as one, which is correspondingly driven with one set of support devices installed on the roller frame 5, and then the other set of support devices is driven to work synchronously through the connecting shaft 6, so that the pipe fittings can be assembled 10's of synchronous rotation at a constant speed.

[0075] In this embodiment, a set of transmission parts is reduced, the structure is simplified, and the cost is low. In the way of connecting the left and right support rollers 7 through a connecting shaft 6, there is no need to adjust the coaxiality of the left and right support rollers 7 during the installation process, which ensu...

Embodiment 3

[0076] Example 3, such as Image 6 As shown, in Embodiment 1 and Embodiment 2, the compression rod 20 and the second pneumatic device in the compression device can also be removed, and only the crank arm 19 and the first pneumatic device are retained, and the pressure roller 21 is directly installed on the crank arm 19 The upper end of the upper end increases the curvature of the crank arm so that when it rotates to the support roller 7 around the lower hinge point, the pair of pipe fittings 10 can be compressed on the support roller 7.

[0077] In this embodiment, a set of pneumatic devices is reduced, and the purpose of the invention of pressing the paired pipe fittings on the support roller 7 can also be achieved, the structure is simplified, and the production cost is reduced.

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Abstract

The invention discloses a pipe assembly welding external clamping device which comprises a base. The base is provided with a supporting device capable of supporting two assembly pipes, and enabling the two assembly pipes to be located on the same axis and to rotate synchronously, so that assembly welding precision of the pipes is guaranteed. The coaxiality of the assembly pipes does not need to be adjusted repeatedly, and adjustment by a level gauge is not needed, either. After the two assembly pipes are placed on a left roller rack and a right roller rack of an assembly device to be compressed, the coaxiality of the two assembly pipes can be guaranteed, the skill requirements for operators are lowered, and the labor intensity of the operators is relieved. Assembly efficiency is high.

Description

technical field [0001] The patent of the invention relates to a welding auxiliary device for clamping and fixing pipe fittings, in particular to a pipe fitting group butt welding external clamping device, which belongs to the field of pipe fitting welding equipment. Background technique [0002] For some pipe fittings that need to be butt welded, the two butt pipe fittings are often placed on the roller frame, and the pipe fittings are driven to rotate by the rollers for welding. However, before welding the pipe fittings with thinner pipe diameters and high requirements on the coaxiality of the pipe fittings, it is necessary to adjust the height of the central axes of the two connecting pipes. [0003] The existing method is to weld a positioning block on the outer pipe wall of two butt-connected pipe fittings, and connect the two pipe fittings through the positioning block. While welding the positioning block, place a level on the pipe to measure its coaxiality. If the tw...

Claims

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Application Information

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IPC IPC(8): B23K37/053
CPCB23K37/0533
Inventor 单纪亭赵西鹏韩永强孙春凤
Owner HIMILE MECHANICAL MFG
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