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a pairing device

A pairing and ejector technology, which is applied in the direction of auxiliary devices, auxiliary welding equipment, welding equipment, etc., can solve the problems of reduced service life of guide rails and lead screw motors, inconsistencies in the gap between the connecting pipe and the product, increased equipment costs and processing costs, etc. , to achieve the effect of improving the local stress situation, simple structure, and reducing the rigidity requirements of the beam

Active Publication Date: 2019-06-21
HIMILE MECHANICAL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using this device to spot-weld pipes, due to the huge welding stress, the uneven size of spot welding beads, and the inconsistent size of the gap between the connecting pipe and the product, the connecting pipe is tilted, the beam of the support frame is deformed, and the angle of the connecting pipe is rapidly deformed after the clamp is released.
Excessive deformation of the beam after long-term stress reduces the service life of the device's guide rails, leadscrews, motors, etc.
Although the rigidity of the beam can be increased to avoid excessive deformation of the beam, it will undoubtedly increase the size and quality of the beam, and then the size and quality of the column and the base need to be increased accordingly. Finally, the driving motors, guide rails, and lead screws used together are all higher. Requirements, etc., increased equipment costs and processing costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1, such as figure 1 with figure 2 As shown, a pairing device, the pairing device includes a support base 51, the support base 51 consists of two parts, the two parts are crossed, and the stiffness of the crossed part will be lower than that of the beam part, even if the welding stress is not uniform during the pairing It cannot be completely offset by the set of pairing devices, and the deformation caused by the stress on the Z-axis can also be controlled at the cross position without causing damage to the connecting mechanism of the Z-axis and the Y-axis.

[0040] Each part includes a big end and a small end. The middle section is between the big end and the small end. The outer side of the big end protrudes outward, and the outer side of the middle section is concave inward. The width of the connecting end between the small end and the middle section is smaller than that of the small end. The width of the other end, the smooth transition of the outer surface...

Embodiment 2

[0063] Example 2, such as image 3 As shown, a pairing device, the same as in the first embodiment will not be repeated in this embodiment, and only the differences from the first embodiment will be described in this embodiment.

[0064] Support seat 51 comprises two parts, and two parts are crossed, and each part comprises big end and small end, and middle section is between big end and small end, and the outer side of big end is straight line segment, and the outer side of middle section is concave inward, and the small end The width of the connecting end between the head end and the middle section is smaller than the width of the other end of the small head end.

[0065] A hydraulic mechanism is arranged on the supporting base 51, and the hydraulic mechanism includes a hydraulic cylinder 55, and the hydraulic cylinder 55 has a piston rod.

[0066] The end of the push rod 52 is connected with the piston rod of the hydraulic mechanism, and the hydraulic cylinder 55 is fixedl...

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Abstract

The invention discloses an assembly device. The assembly device comprises a support base; and a fixture is arranged at the end part of the support base for clamping a connecting pipe to realize assembly of the connecting pipe and a cylinder. The assembly device adopts the support base structure to effectively reduce the rigidity requirement of a cross beam, and the cross beam only needs to satisfy the support requirement, so that the cost is effectively reduced; most welding stress is transferred to an ejector rod by the support base until the stress is transferred to an ejector head and then is acted on the surface of a product; the connecting pipe, the fixture, the support base, the ejector rods, the ejector heads and the product form an integer; and the welding stress is counteracted through a mode of internal stress, and is averaged on the surface of the product in the support range of the assembly device, so that the local stress condition in the welding place of the connecting pipe and the product is improved, the angle change of the welded connecting pipe is reduced, the equipment stress deformation condition is improved, and the service life is long.

Description

technical field [0001] The invention relates to a welding auxiliary device, which is suitable for automatic matching, aligning and clamping of the external nozzle of the pressure vessel and the cylinder body, and specifically relates to a pairing device. Background technique [0002] When butt welding the external nozzle of the pressure vessel and the cylinder body, it is necessary to combine the parts according to the requirements of the drawing, and then form a whole after positioning welding. The assembly process generally includes processes such as scribing, opening, measuring, alignment and positioning of the external nozzles. Among them, the alignment of the external nozzle group is the key step to ensure the welding quality. [0003] The alignment of existing pressure vessels is generally carried out by manual alignment. After manually aligning the opening of the external nozzle and the main body of the cylinder, spot weld it on the interface of the cylinder. Howev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/04B23K37/053
CPCB23K37/04B23K37/053B23K37/0533B23K2101/12
Inventor 臧贻鹏魏效辉张增军郭勇魏猛唐立星
Owner HIMILE MECHANICAL MFG
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