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Disc semi-automatic joint welding machine and operation method thereof

A disc type, semi-automatic technology, used in welding equipment, welding equipment, welding accessories, etc., can solve the problems of products that do not meet the size requirements, unsightly, irregular welding seams, etc., and meet the requirements of ensuring verticality and parallelism. The effect of reducing production costs and ensuring uniform operation

Inactive Publication Date: 2011-05-11
无锡万盛换热器制造有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two processes are called welding first, and then welding, and two to three people are required to operate. According to the original manual welding process, the verticality and parallelism cannot be guaranteed to be correct, and there must be 2- 3 matching solder joints will cause uneven weld seams during welding, which is very unsightly
During welding, the two workpieces will be greatly deformed due to the welding without compression, and almost all the welded products do not meet the standard size requirements. When the gun is in place, at least 3-5 welding joints are required to complete, plus there are 2-3 matching welding joints in the middle, so the welding seam will be very irregular. Due to the many joints, the welding seam is very unsightly and will cause Leaks, if there are leaks and repair welding, it will be even more unsightly

Method used

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  • Disc semi-automatic joint welding machine and operation method thereof
  • Disc semi-automatic joint welding machine and operation method thereof
  • Disc semi-automatic joint welding machine and operation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of disc joint welding machine of the present invention, as figure 1 , 2 As shown, it includes desktop frame 1, positioning and locking components (hand wheel 2 and double-headed trapezoidal screw 3), disc-type rotary table 4, gear motor 5, stepless pedal electronic control device 6, and anti-interference components 7. One end on the top of the desktop frame 1 is also provided with an inverted L-shaped support 8; the double-ended trapezoidal screw rod 3 is vertically installed on the long arm of the inverted L-shaped support 8, and the double-ended trapezoidal screw rod 3 is connected to the circle on the top of the desktop frame 1. The center of the disk-type rotary table 4 is in a line; the disk-type rotary table 4 is connected with and driven by a geared motor 5, and the geared motor 5 is installed on the desktop frame 1, and the geared motor 5 is also connected with a pedal The electronic control device 6 for stepless speed change, and the electric control d...

Embodiment 2

[0030] Such as figure 1 , figure 2 As shown, it is a kind of disc-type semi-automatic joint welding machine of the present utility model. When operating specifically, the workpiece 9 (joint, head) is placed on the disc-type rotary table 3 table tops, so that the double-headed trapezoidal screw 3 The head is aligned with the center of the joint of the workpiece 9; the rotating hand wheel 2 is quickly positioned and pinned to the workpiece 9 through the double-headed trapezoidal screw 3 connected to it, and the welding starts after the workpiece is clamped. Since the workpiece itself is at normal temperature, when starting welding, The arc start should be slower. When the workpiece is welded to about 1.5 cm (1-2 cm), the workpiece starts to heat up. At this time, step on the stepless stepless speed change electronic control device to enter the normal uniform speed welding.

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Abstract

The invention discloses a disc semi-automatic joint welding machine and an operation method thereof. The disc semi-automatic joint welding machine comprises a desk-top frame, a positioning and fastening component, a disc rotary table, a reducing motor, a pedal continuously variable transmission (CVT) electric control device, an anti-interference component and a supporting argon-arc welding machine. An inversed L-shaped bracket is mounted on one end of the upper part of the desk-top frame. The workpiece center is fastened by a top clamp of the positioning and fastening component when the machine operates. The arc striking is slow when welding begins. The pedal CVT electric control device is stepped down to enter a welding stage with constant speed after the workpiece is welded for 1 to 2 centimeters. The disc semi-automatic joint welding machine provided by the invention only needs one person to operate during welding, thus reducing manual work and lowering production cost. The welding machine can also perform welding in place in one shot and the weld joints are artistic. The welding accuracy is improved to 99% from 10% originally, thus solving the difficulty in unqualified welding of joints of a heat exchanger and making up a blank in the manufacturing technique of the heat exchanger.

Description

technical field [0001] The invention relates to the technical field of welding machines, in particular to a disc-type semi-automatic joint welding machine and its operating method, which are mainly used for welding circular joints, joints and irregular special-shaped joints. Background technique [0002] At present, the welding of joints involved in the manufacture of heat exchangers, such as the welding of head and circular pipe joints, threaded joints, flange joints, and irregular special-shaped joints, etc., the original method is to use manual welding, which generally requires two people It can be operated, first matching welding (connecting two workpieces by spot welding), and then turning to the second process for welding. These two processes are called welding first, and then welding, and two to three people are required to operate. According to the original manual welding process, the verticality and parallelism cannot be guaranteed to be correct, and there must be 2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/12B23K9/32B23K9/16B23K37/053B23K37/047
Inventor 俞国光王晓
Owner 无锡万盛换热器制造有限公司
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