CN112605501A - Arc welding wire feeding conductive mechanism - Google Patents

Arc welding wire feeding conductive mechanism Download PDF

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Publication number
CN112605501A
CN112605501A CN202011518906.4A CN202011518906A CN112605501A CN 112605501 A CN112605501 A CN 112605501A CN 202011518906 A CN202011518906 A CN 202011518906A CN 112605501 A CN112605501 A CN 112605501A
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wire feeding
feeding mechanism
wire
sliding block
welding wire
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CN112605501B (en
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李骏棋
卓炎
张展榆
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Foshan Henghaoda Machinery Equipment Co ltd
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Foshan Yuren Intelligent Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/18—Submerged-arc welding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

本发明提出了一种弧焊送丝导电机构，包括导电嘴、第一送丝机构和控制机构，焊丝经第一送丝机构传送至导电嘴中，所述导电嘴和所述第一送丝机构在同一直线上以使导电嘴与所述第一送丝机构之间的焊丝保持直线状态；所述控制机构与所述第一送丝机构相连接以控制第一送丝机构沿着焊丝的移动方向往复运动，其中，所述第一送丝机构靠近导电嘴时所述第一送丝机构夹紧焊丝并带动焊丝向导电嘴的方向移动，所述第一送丝机构远离导电嘴时所述第一送丝机构松开焊丝。本发明弧焊送丝导电机构在传送焊丝过程中能够避免焊丝出现锯齿状，使得导电嘴磨损引起的焊丝偏移问题得到解决。

Figure 202011518906

The present invention provides an arc welding wire feeding conductive mechanism, which includes a contact tip, a first wire feeding mechanism and a control mechanism. The welding wire is transmitted to the contact tip through the first wire feeding mechanism, and the contact tip and the first wire feeding The mechanism is on the same line to keep the welding wire between the contact tip and the first wire feeding mechanism in a straight state; the control mechanism is connected with the first wire feeding mechanism to control the first wire feeding mechanism along the welding wire. The moving direction reciprocates, wherein when the first wire feeding mechanism is close to the contact tip, the first wire feeding mechanism clamps the welding wire and drives the welding wire to move in the direction of the contact tip, and when the first wire feeding mechanism is away from the contact tip. The first wire feeding mechanism releases the welding wire. The arc welding wire feeding conductive mechanism of the present invention can avoid the zigzag shape of the welding wire in the process of conveying the welding wire, so that the problem of the welding wire offset caused by the wear of the contact tip can be solved.

Figure 202011518906

Description

Arc welding wire feeding conductive mechanism
Technical Field
The invention relates to an arc welding wire feeding mechanism, in particular to an arc welding wire feeding conducting mechanism.
Background
Submerged automatic arc welding is an arc welding method with extremely high productivity and is widely applied to welding production. At present, the existing automatic welding wire conveying mechanism for arc welding mainly comprises a wire feeder, a wire feeding wheel and a contact tip, wherein a welding wire provided by the wire feeder is pressed by the wire feeding wheel and then is conveyed to the contact tip at a set speed; the welding wire is conveyed by the rolling of the wire feeding wheels, and the welding wire can be conveyed only by simultaneously pressing the welding wire by the two wire feeding wheels in the conveying process. According to the transmission mode, after the wire feeding wheel compresses the welding wire, the sent welding wire has saw-toothed shape, and the saw-toothed welding wire has large friction force when passing through the contact tip, so that the contact tip is easily abraded, and the service life of the contact tip is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an arc welding wire feeding conductive mechanism, which can avoid the saw-toothed shape of a welding wire in the transmission process, so that the problem of welding wire deviation caused by the abrasion of a conductive nozzle is solved.
The technical scheme of the invention is realized as follows: an arc welding wire feeding conductive mechanism comprises a contact nozzle, a first wire feeding mechanism and a control mechanism, wherein a welding wire is transmitted into the contact nozzle through the first wire feeding mechanism, and the contact nozzle and the first wire feeding mechanism are on the same straight line so that the welding wire between the contact nozzle and the first wire feeding mechanism is kept in a straight line state; the control mechanism is connected with the first wire feeding mechanism so as to control the first wire feeding mechanism to reciprocate along the moving direction of the welding wire, wherein when the first wire feeding mechanism is close to the contact tip, the first wire feeding mechanism clamps the welding wire and drives the welding wire to move towards the direction of the contact tip, and when the first wire feeding mechanism is far away from the contact tip, the first wire feeding mechanism loosens the welding wire.
Further, the first wire feeding mechanism comprises a left moving block and a right moving block which are arranged oppositely, and the upper end of the left moving block is hinged with the upper end of the right moving block; the lower end of the first wire feeding mechanism is provided with a V-shaped sliding block for controlling the left moving block and the right moving block to open and close so as to clamp or loosen the welding wire; the control mechanism is connected with the V-shaped sliding block and controls the opening and closing of the first wire feeding mechanism by controlling the movement of the V-shaped sliding block.
Furthermore, a V-shaped sliding groove matched with the V-shaped sliding block in shape is arranged between the left moving block and the right moving block, the V-shaped sliding block is arranged in the V-shaped sliding groove, and a pull rod of the control mechanism penetrates through the first wire feeding mechanism to be connected with the V-shaped sliding block; the front end of the sliding groove is matched with a V-shaped opening of the V-shaped sliding block, so that the welding wire is clamped by the left moving block and the right moving block when the V-shaped opening of the V-shaped sliding block moves to the front end of the sliding groove.
Furthermore, the V-shaped sliding block comprises a first sliding block and a second sliding block, and the first sliding block and the second sliding block are attached to form the V-shaped sliding block with the V-shaped opening; and two pull rods on the control mechanism respectively penetrate through the left moving block and the right moving block to be connected with the first sliding block and the second sliding block.
Furthermore, the left moving block and the right moving block are hinged to the guide rod.
Further, the size of the end of the V-shaped slider is gradually reduced.
Further, the wire feeding device also comprises a second wire feeding mechanism with the same structure as the first wire feeding mechanism, and the first wire feeding mechanism and the second wire feeding mechanism alternately convey welding wires.
Furthermore, the tail end of the V-shaped sliding block is in arc transition or slope transition.
Furthermore, a clamping groove for clamping the welding wire is arranged in the first wire feeding mechanism.
Compared with the prior art, the invention has the following advantages: the welding wire is clamped by the first wire feeding mechanism, and then the first wire feeding mechanism is controlled by the control mechanism to drive the welding wire to move towards the direction of the guide nozzle, so that the welding wire is conveyed; in the transmission process, the first wire feeding mechanism drives the welding wire to move towards the direction of the conductive nozzle, so that the phenomenon that the welding wire is jagged is avoided, and the problem of welding wire deviation caused by abrasion of the conductive nozzle is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded view of one embodiment of an arc welding wire feed conductor mechanism of the present invention;
FIG. 2 is an exploded view of the first wire feeder of the present invention;
FIG. 3 is a schematic cross-sectional view of a first wire feeder of the present invention;
fig. 4 is a schematic structural view of another embodiment of the arc welding wire feed electric-conducting mechanism of the invention.
The attached drawings are as follows: 1, a conductive nozzle; 2 a first wire feeder; 201 left moving block; 202 right moving block; 203V-shaped sliding grooves; 204 clamping grooves; 3 a control mechanism; 301 a pull rod; 4, welding wires; a 5V-shaped sliding block; 501 a first slider; 502 second slider; 503V-shaped port; 6, a guide rod; 7 second wire feeder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, an embodiment of the present invention discloses an arc welding wire feeding conductive mechanism, which includes a contact tip 1, a first wire feeder 2 and a control mechanism 3, wherein a welding wire 4 is fed into the contact tip 1 through the first wire feeder 2, and the contact tip 1 and the first wire feeder 2 are in the same straight line so that the welding wire 4 between the contact tip 1 and the first wire feeder 2 is kept in a straight line state; the control mechanism 3 is connected with the first wire feeding mechanism 2 to control the first wire feeding mechanism 2 to reciprocate along the moving direction of the welding wire 4, wherein when the first wire feeding mechanism 2 is close to the contact tube 1, the first wire feeding mechanism 2 clamps the welding wire 4 and drives the welding wire 4 to move towards the contact tube 1, and when the first wire feeding mechanism 2 is far away from the contact tube 1, the first wire feeding mechanism 2 loosens the welding wire 4.
When the welding torch works, the welding wire 4 is clamped by the first wire feeding mechanism 2, and then the first wire feeding mechanism 2 is controlled by the control mechanism 3 to drive the welding wire 4 to move towards the conductive nozzle 1, so that the welding wire 4 is conveyed into the conductive nozzle 1; after one round of conveying is completed, the first wire feeder 2 is reset (i.e. the first wire feeder 2 loosens the welding wire 4 away from the contact tip 1 and returns to the original position), and the next round of conveying the welding wire 4 is performed. In the invention, the first wire feeding mechanism 2 drives the welding wire 4 to move towards the conductive nozzle 1 in the transmission process, so that the problem that the welding wire 4 is deviated due to abrasion of the conductive nozzle 1 because the welding wire 4 is jagged is avoided.
Referring to fig. 2, the first wire feeder 2 includes a left moving block 201 and a right moving block 202 which are oppositely arranged, and the upper end of the left moving block 201 is hinged to the upper end of the right moving block 202; the lower end of the first wire feeding mechanism 2 is provided with a V-shaped sliding block 5 for controlling the opening and closing of the left moving block 201 and the right moving block 202 so as to clamp or loosen the welding wire 4; when the left moving block 201 and the right moving block 202 are opened, the first wire feeder 2 releases the welding wire 4 to return to the original position; when left moving block 201 and right moving block 202 are closed, first wire feeder 2 grips welding wire 4 to deliver welding wire 4 to contact tip 1. Wherein, control mechanism 3 is connected with V type sliding block 5, and control mechanism 3 controls first wire feeding mechanism 2 through the removal of control V type sliding block 5 and opens and shuts.
Specifically, as shown in fig. 2 and 3, a V-shaped sliding groove 203 matching with the V-shaped sliding block 5 in shape is provided between the left moving block 201 and the right moving block 202, the V-shaped sliding block 5 is provided in the V-shaped sliding groove 203, and the pull rod 301 of the control mechanism 3 passes through the first wire feeding mechanism 2 and is connected with the V-shaped sliding block 5; the front end of the V-shaped sliding groove 203 is matched with the V-shaped opening 503 of the V-shaped sliding block 5, so that the left moving block 201 and the right moving block 202 clamp the welding wire 4 when the V-shaped opening 503 of the V-shaped sliding block 5 moves to the front end of the V-shaped sliding groove 203.
A clamping groove 204 for clamping the welding wire 4 is further arranged between the left moving block 201 and the right moving block 202.
In this embodiment, the control mechanism 3 may be an electric cylinder, and the electric cylinder pulls the V-shaped sliding block 5 to perform reciprocating linear motion in the moving direction of the welding wire 4. When the V-shaped sliding block 5 pulls the first wire feeding mechanism 2 to move towards the guide nozzle 1, the V-shaped opening 503 of the V-shaped sliding block 5 is respectively matched with the front ends of the V-shaped sliding grooves 203 in the left moving block 201 and the right moving block 202, so that the left moving block 201 and the right moving block 202 are closed to clamp the welding wire 4 to move forwards; when the V-shaped sliding block 5 pulls the first wire feeding mechanism 2 away from the contact tube 1, the V-shaped opening 503 of the V-shaped sliding block 5 no longer clamps the left moving block 201 and the right moving block 202, so that the first wire feeding mechanism 2 releases the welding wire 4 and returns to the original position; by this reciprocating movement, the feeding of the welding wire 4 is completed.
Further, the V-shaped sliding block 5 comprises a first sliding block 501 and a second sliding block 502, and the first sliding block 501 and the second sliding block 502 are attached to form the V-shaped sliding block 5 with a V-shaped opening 503; the two pull rods 301 on the control mechanism 3 are respectively connected with the first slide block 501 and the second slide block 502 through the left moving block 201 and the right moving block 202. In this embodiment, the V-shaped sliding block 5 is provided as a first sliding block 501 and a second sliding block 502 which are separated, so that the first sliding block 501 and the second sliding block 502 are respectively installed in the V-shaped sliding groove 203.
Further, the left moving block 201 and the right moving block 202 are hinged to the guide rod 6, and the guide rod 6 can guide the movement of the first wire feeder 2.
Further, the size of the end of the V-shaped slider 5 becomes gradually smaller. The tail end of the V-shaped sliding block 5 can be in arc transition or slope transition, so that when the first wire feeding mechanism 2 is pulled by the pull rod 301 of the control mechanism 3 to be far away from the contact tube 1, the left moving block 201 and the right moving block 202 are separated by the V-shaped sliding block 5, and the welding wire 4 is prevented from being deformed due to overlarge friction force between the first wire feeding mechanism 2 and the welding wire 4.
In another embodiment of the present invention, the arc welding wire feeding conductive mechanism further includes a second wire feeding mechanism 7 having the same structure as the first wire feeding mechanism 2 (i.e., the second wire feeding mechanism 7 also includes a left moving block 201 and a right moving block 202, a V-shaped sliding groove 203 is also provided between the left moving block 201 and the right moving block 202, a V-shaped sliding block 5 is also provided in the V-shaped sliding groove 203, and a pull rod 301 of another control mechanism 3 is connected to the V-shaped sliding block 5 to drive the second wire feeding mechanism 7 to reciprocate in the moving direction of the welding wire 4), and the first wire feeding mechanism 2 and the second wire feeding mechanism 7 alternately convey the welding wire 4.
In operation, the first wire feeder 2 and the second wire feeder 7 are operated alternately to deliver the wire 4. Specifically, when the first wire feeder 2 clamps the welding wire 4 and moves towards the direction of the contact tube 1, the second wire feeder 7 loosens the welding wire 4 and moves towards the direction far away from the contact tube 1; while the first wire feeder 2 releases the welding wire 4 and moves away from the contact tip 1, the second wire feeder 7 grips the welding wire 4 in the direction of the contact tip 1. This embodiment enables the wire 4 to be conveyed more efficiently.
In summary, the welding wire 4 is clamped by the first wire feeding mechanism 2 and synchronously moved, so that the welding wire can be prevented from being deformed, for example, the welding wire is prevented from being deflected due to abrasion of the contact tube 1 because the pressure roller is deformed like sawtooth in the conventional conveying mechanism, and the service life of the contact tube 1 is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1.一种弧焊送丝导电机构，其特征在于，包括导电嘴、第一送丝机构和控制机构，焊丝经第一送丝机构传送至导电嘴中，所述导电嘴和所述第一送丝机构在同一直线上以使导电嘴与所述第一送丝机构之间的焊丝保持直线状态；所述控制机构与所述第一送丝机构相连接以控制第一送丝机构沿着焊丝的移动方向往复运动，其中，所述第一送丝机构靠近导电嘴时所述第一送丝机构夹紧焊丝并带动焊丝向导电嘴的方向移动，所述第一送丝机构远离导电嘴时所述第一送丝机构松开焊丝。1. A wire feeding conductive mechanism for arc welding, characterized in that it comprises a contact tip, a first wire feeding mechanism and a control mechanism, and the welding wire is sent to the contact tip through the first wire feeding mechanism, and the contact tip and the first wire feeding mechanism The wire feeding mechanism is on the same straight line to keep the welding wire between the contact tip and the first wire feeding mechanism in a straight state; the control mechanism is connected with the first wire feeding mechanism to control the first wire feeding mechanism along the The moving direction of the welding wire reciprocates, wherein when the first wire feeding mechanism is close to the contact tip, the first wire feeding mechanism clamps the welding wire and drives the welding wire to move in the direction of the contact tip, and the first wire feeding mechanism is far away from the contact tip When the first wire feeding mechanism releases the welding wire. 2.根据权利要求1所述弧焊送丝导电机构，其特征在于，所述第一送丝机构包括正对设置的左移动块和右移动块，所述左移动块的上端和所述右移动块的上端铰接连接；第一送丝机构的下端设有用于控制所述左移动块和所述右移动块张合以夹紧或松开焊丝的V型滑动块；所述控制机构与所述V型滑动块相连接，所述控制机构通过控制V型滑动块的移动来控制第一送丝机构张合。2 . The wire feeding conductive mechanism for arc welding according to claim 1 , wherein the first wire feeding mechanism comprises a left moving block and a right moving block that are opposite to each other, and the upper end of the left moving block is connected to the right moving block. 3 . The upper end of the moving block is hingedly connected; the lower end of the first wire feeding mechanism is provided with a V-shaped sliding block for controlling the opening and closing of the left moving block and the right moving block to clamp or loosen the welding wire; the control mechanism and the The V-shaped sliding blocks are connected, and the control mechanism controls the opening and closing of the first wire feeding mechanism by controlling the movement of the V-shaped sliding blocks. 3.根据权利要求2所述弧焊送丝导电机构，其特征在于，所述左移动块和所述右移动块之间设有与所述V型滑动块的形状相匹配的V型滑动槽，所述V型滑动块设于所述V型滑动槽内，所述控制机构的拉杆穿过所述第一送丝机构与所述V型滑动块相连接；所述滑动槽的前端与V型滑动块的V型口相匹配，以使所述V型滑动块的V型口移动到所述所述滑动槽的前端时所述左移动块和所述右移动块夹紧焊丝。3 . The electric wire feeding mechanism for arc welding according to claim 2 , wherein a V-shaped sliding groove matching the shape of the V-shaped sliding block is arranged between the left moving block and the right moving block. 4 . , the V-shaped sliding block is arranged in the V-shaped sliding groove, and the pull rod of the control mechanism is connected with the V-shaped sliding block through the first wire feeding mechanism; the front end of the sliding groove is connected to the V-shaped sliding block. The V-shaped opening of the V-shaped sliding block is matched, so that the left moving block and the right moving block clamp the welding wire when the V-shaped opening of the V-shaped sliding block moves to the front end of the sliding groove. 4.根据权利要求3所述弧焊送丝导电机构，其特征在于，所述V型滑动块包括第一滑块和第二滑块，所述第一滑块和所述第二滑块相贴合形成带有V型口的V型滑动块；所述控制机构上的两拉杆分别穿过所述左移动块、所述右移动块与第一滑块、第二滑块相连接。4 . The wire feeding mechanism for arc welding according to claim 3 , wherein the V-shaped sliding block comprises a first sliding block and a second sliding block, the first sliding block and the second sliding block are in phase with each other. 5 . A V-shaped sliding block with a V-shaped mouth is formed by fitting together; the two pull rods on the control mechanism respectively pass through the left moving block and the right moving block and are connected with the first sliding block and the second sliding block. 5.根据权利要求2所述弧焊送丝导电机构，其特征在于，所述左移动块和所述右移动块铰接在导杆上。5 . The electric wire feeding mechanism for arc welding according to claim 2 , wherein the left moving block and the right moving block are hinged on the guide rod. 6 . 6.根据权利要求2所述弧焊送丝导电机构，其特征在于，所述V型滑动块末端的尺寸逐渐变小。6 . The conductive mechanism for arc welding wire feeding according to claim 2 , wherein the size of the end of the V-shaped sliding block gradually decreases. 7 . 7.根据权利要求6所述弧焊送丝导电机构，其特征在于，所述V型滑动块的末端圆弧过渡或者斜面过渡。7 . The conductive mechanism for arc welding wire feeding according to claim 6 , wherein the end of the V-shaped sliding block has an arc transition or an inclined plane transition. 8 . 8.根据权利要求1所述弧焊送丝导电机构，其特征在于，所述第一送丝机构内设有用于夹持焊丝的夹持槽。8 . The conductive mechanism for arc welding wire feeding according to claim 1 , wherein the first wire feeding mechanism is provided with a clamping groove for clamping the welding wire. 9 . 9.根据权利要求1所述弧焊送丝导电机构，其特征在于，还包括与所述第一送丝机构的结构相同的第二送丝机构，所述第一送丝机构和所述第二送丝机构交替传送焊丝。9 . The wire feeding conductive mechanism for arc welding according to claim 1 , further comprising a second wire feeding mechanism with the same structure as the first wire feeding mechanism, the first wire feeding mechanism and the first wire feeding mechanism. Two wire feeding mechanisms alternately deliver welding wire.
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114888412A (en) * 2022-05-17 2022-08-12 南通振康机械有限公司 Welding system for welding robot

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CN110216358A (en) * 2019-04-30 2019-09-10 林肯电气管理(上海)有限公司 A kind of efficient adjusting welding wire distribution submerged arc welding apparatus
CN214109153U (en) * 2020-12-21 2021-09-03 佛山宇仁智能科技有限公司 Arc welding wire feeding conductive mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034227A (en) * 1978-11-17 1980-06-04 Hirschmann F Pulsed Arc Welding
CN85100691A (en) * 1985-04-01 1986-08-13 机械工业部郑州机械研究所 The sliding pliers pulsating solder wire feeder of push-pull short circuit transition welding usefulness
CN110216358A (en) * 2019-04-30 2019-09-10 林肯电气管理(上海)有限公司 A kind of efficient adjusting welding wire distribution submerged arc welding apparatus
CN214109153U (en) * 2020-12-21 2021-09-03 佛山宇仁智能科技有限公司 Arc welding wire feeding conductive mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114888412A (en) * 2022-05-17 2022-08-12 南通振康机械有限公司 Welding system for welding robot
CN114888412B (en) * 2022-05-17 2023-08-08 南通振康机械有限公司 Welding system for welding robot

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