CN105345297A - Semi-automatic welding device for clutch steel wire retainer - Google Patents

Semi-automatic welding device for clutch steel wire retainer Download PDF

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Publication number
CN105345297A
CN105345297A CN201510917908.3A CN201510917908A CN105345297A CN 105345297 A CN105345297 A CN 105345297A CN 201510917908 A CN201510917908 A CN 201510917908A CN 105345297 A CN105345297 A CN 105345297A
Authority
CN
China
Prior art keywords
retainer
welding
steel wire
wire retainer
welding device
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510917908.3A
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Chinese (zh)
Other versions
CN105345297B (en
Inventor
郭恒天
韦国余
毛镇方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Nanfang Precision Industry Co ltd
Original Assignee
Jiangsu Nanfang Bearing Co Ltd
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Publication date
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Priority to CN201510917908.3A priority Critical patent/CN105345297B/en
Publication of CN105345297A publication Critical patent/CN105345297A/en
Application granted granted Critical
Publication of CN105345297B publication Critical patent/CN105345297B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0247Driving means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs

Abstract

The invention relates to the technical field of a retainer welding device, in particular to a semi-automatic welding device for a clutch steel wire retainer. The semi-automatic welding device comprises a retainer positioning part and a welding gun regulating part, wherein the retainer positioning part comprises a positioning base, a positioning ring, a material pressing block, an unloading block, a material pressing air cylinder used for pressing the material pressing block to the upper end of the positioning ring and an unloading air cylinder used for pressing the unloading block to the lower end of the positioning ring; the welding gun regulating part comprises a welding gun, a welding slide table and an adjustable bracket; the welding slide table and the positioning base are fixedly connected, and the bottom surfaces of the welding slide table and the positioning base are on the same plane; the adjustable bracket is fixed on the welding slide table; the welding gun is mounted on the adjustable bracket; and a spray nozzle of the welding gun faces towards the positioning ring. The semi-automatic welding device for the clutch steel wire retainer is mainly used for welding a formed steel wire retainer into an integer, and the steel wire retainer is mounted in the device and can be completely positioned and pressed, so that the welding quality is kept stable.

Description

Clutch steel wire retainer Semiautomatic welding device
Technical field
The present invention relates to retainer welder technical field, particularly relate to a kind of clutch steel wire retainer Semiautomatic welding device.
Background technology
Steel wire retainer 100 (as shown in Figure 1), structure is recess 101 and the spaced setting of protuberance 102, pad 103 is positioned on any one protuberance 102, welding method at present to steel wire retainer: steel wire retainer is put into welding tooling, by hand contact 103 to be welded is alignd, under then pad being moved to welding gun, start welding switch, complete welding, then take out the steel wire retainer welded.In this process, owing to lacking positioning compression device, welding junction place can be caused to misplace, add artificial destabilizing factor, placing retainer and taking out in the process of retainer, the impact that weld all can be brought to misplace, directly causes the instability of product quality.In addition, because everything is all manually complete, so the problem that production efficiency is low, labour intensity is large can be there is.
Summary of the invention
The technical problem to be solved in the present invention is: the technical problem that pad in prior art easily misplaces in order to solve, the quality of production unstable, production efficiency is low and labour intensity is large, the invention provides a kind of clutch steel wire retainer Semiautomatic welding device.
The technical solution adopted for the present invention to solve the technical problems is: a kind of clutch steel wire retainer Semiautomatic welding device, comprise retainer localization part and welding gun adjustment portion, retainer localization part comprises positioning base, centring ring, binder block, unloading block, for binder block being pressed on the binder cylinder of centring ring upper end and being used for unloading block to be pressed on the discharging cylinder of centring ring lower end, described discharging cylinder is fixed on positioning base, binder cylinder is arranged on the top of centring ring by the column on positioning base, welding gun adjustment portion comprises welding gun, welding slide unit and adjustable support, described welding slide unit be fixedly connected with positioning base and bottom surface all at grade, adjustable support is fixed on welding slide unit, welding gun is arranged on adjustable support, the nozzle of welding gun is towards centring ring.Its Main Function of clutch steel wire retainer Semiautomatic welding device of the present invention welds the steel wire retainer after shaping, becomes entirety, and steel wire retainer is installed in the apparatus can positioning compression completely, maintenance welding quality stable.
Can (i.e. vertical direction) align up and down to make two pads of retainer, as preferably, the internal diameter d1 of described centring ring matches with the retainer external diameter do not welded, the inner ring of described centring ring is provided with the projection for supporting retainer protuberance, the sum-1 of setting N=retainer protuberance, the number of described projection is less than or equal to N, and the outside diameter d 3 of the steel wire of the basic and retainer of the distance of protruding upper end and centring ring upper port is consistent.
In order to set off the bottom of retainer, as preferably, the outer loop-shaped of described unloading block matches with the inner ring of centring ring.
In order to two pads of retainer align in the horizontal direction, as preferably, binder block lower surface has binder block boss, and the external diameter of binder block boss matches with the diameter of a circle d2 at convex inner walls place, the outer ring of binder block boss to binder block outer ring between there is circular bead surface.
In order to two of retainer pads are furthered mutually, until lean on mutually, as preferably, when the retainer do not welded is arranged on the inner ring of centring ring, not corresponding to the protuberance of raised support centring ring sidewall on offer slider throughbores, described clutch steel wire retainer Semiautomatic welding device also comprises for by grip slide close to each other for retainer pad and the slide block cylinder being used for grip slide to advance slider throughbores, grip slide is voussoir shape, and the inclined-plane of grip slide is towards the pad of retainer.
Press down for the ease of welding and binder block, as preferably, the upper surface of described binder block offers welding escape groove to the lower surface of unloading block boss, unloading block boss also offers the grip slide escape groove matched with grip slide.
In order to regulate the distance of welding gun and pad, as preferably, described welding slide unit offering towards the track of positioning base, positioning base being also provided with the slide unit cylinder slided in orbit in the bottom that can promote adjustable support.
In order to the 360 ° of rotations making welding gun can carry out longitudinally height and horizontal direction, as preferably, adjustable support comprises the sliding seat be slidably mounted on welding slide unit, be fixedly mounted on the longitudinal sleeve on sliding seat, be sleeved on the longitudinal rod in longitudinal sleeve, transverse sleeves and transverse bar, match with track in the bottom of sliding seat, the external part of slide unit cylinder is fixedly connected with sliding seat, one end of transverse sleeves is fixedly connected with the top of longitudinal rod, the other end of transverse sleeves is sleeved on one end of transverse bar, welding gun is arranged on the other end of transverse bar, the nozzle alignment welding escape groove of welding gun, transverse sleeves is mutually vertical in same plane with the center line of transverse bar.
For the ease of regulating welding gun from the far and near position of pad, as preferably, the other end of described transverse sleeves has the adjustable sleeve of degree of tightness, and one end of transverse bar is arranged in the adjustable sleeve of degree of tightness, the axis of the adjustable sleeve of degree of tightness and the axis perpendicular of transverse sleeves.
For the ease of regulating the height of welding gun, as preferably, longitudinal sleeve is provided with degree of tightness set screw.
The invention has the beneficial effects as follows, clutch steel wire retainer Semiautomatic welding device of the present invention, steel wire retainer after shaping can be welded, become entirety, distinctive localization part, pad can be made mutually to aim at, steel wire retainer is arranged in localization part can positioning compression completely, keeps welding quality stable, the alternative existing manual welding form of this device, promote stability of the welding quality, and increase work efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the steel wire retainer that the present invention does not weld.
Fig. 2 is the perspective view of clutch steel wire retainer Semiautomatic welding device of the present invention.
Fig. 3 is the top view of clutch steel wire retainer Semiautomatic welding device of the present invention.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the assembly structure schematic diagram of centring ring of the present invention and binder block.
Fig. 6 is the view after steel wire retainer of the present invention is located in centring ring.
Fig. 7 is the perspective view of binder block of the present invention.
Fig. 8 is the perspective view of binder block of the present invention.
Fig. 9 is the perspective view of unloading block of the present invention.
Figure 10 is the top view of centring ring of the present invention.
Figure 11 is the visual angle figure of steel wire retainer of the present invention from the face at pad place.
In figure: 1, positioning base, 100, steel wire retainer, 101, recess, 102, protuberance, 103, pad, 104, sliding seat, 105, longitudinal sleeve, 106, longitudinal rod, 107, transverse sleeves, 1071, the adjustable sleeve of degree of tightness, 108, transverse bar, 2, centring ring, 21, protruding, 22, slider throughbores, 3, binder block, 31, binder block boss, 32, welding escape groove, 33, grip slide escape groove, 34, circular bead surface, 4, unloading block, 5, binder cylinder, 6, discharging cylinder, 7, column, 8, welding gun, 9, welding slide unit, 91, track, 10, adjustable support, 11, grip slide, 111, inclined-plane, 12, slide block cylinder, 13, slide unit cylinder.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in figs. 2-11, it is the optimum embodiment of the present invention, a kind of clutch steel wire retainer Semiautomatic welding device, comprise retainer localization part and welding gun adjustment portion, retainer localization part comprises positioning base 1, centring ring 2, binder block 3, unloading block 4, for binder block 3 being pressed on the binder cylinder 5 of centring ring 2 upper end and being used for unloading block 4 to be pressed on the lower end discharging cylinder 6 of centring ring 2, discharging cylinder 6 is fixed on positioning base 1, binder cylinder 5 is arranged on the top of centring ring 2 by the column 7 on positioning base 1, welding gun adjustment portion comprises welding gun 8, welding slide unit 9 and adjustable support 10, welding slide unit 9 be fixedly connected with positioning base 1 and bottom surface all at grade, adjustable support 10 is fixed on welding slide unit 9, welding gun 8 is arranged on adjustable support 10, the nozzle of welding gun 8 is towards centring ring 2.
The internal diameter d1 of centring ring 2 matches with the retainer external diameter do not welded, the inner ring of centring ring 2 is provided with the projection 21 for supporting retainer protuberance 102, the sum-1 of setting N=retainer protuberance 102, the number of protruding 21 is less than or equal to N, the distance of protruding 21 upper ends and centring ring 2 upper port substantially and the outside diameter d 3 of the steel wire of retainer consistent.The outer loop-shaped of unloading block 4 matches with the inner ring of centring ring 2, i.e. the outer ring concave-convex surface of unloading block 4.Binder block 3 lower surface has binder block boss 31, and the external diameter of binder block boss 31 matches with the diameter of a circle d2 at protruding 21 inwall places, the outer ring of binder block boss 31 to binder block 3 outer ring between there is circular bead surface 34.
When the retainer do not welded is arranged on the inner ring of centring ring 2, do not answered on the sidewall of centring ring 2 by the retainer protuberance 102 that protruding 21 support and offer slider throughbores 22, clutch steel wire retainer Semiautomatic welding device also comprises for by grip slide 11 close to each other for retainer pad and the slide block cylinder 12 being used for grip slide 11 to advance slider throughbores 22, grip slide 11 is in voussoir shape, and the inclined-plane 111 of grip slide 11 is towards the pad of retainer.
The upper surface of binder block 3 offers welding escape groove 32 to the lower surface of unloading block boss 41, unloading block boss 41 also offers the grip slide escape groove 33 matched with grip slide 11.
Welding slide unit 9 offers towards the track 91 of positioning base 1, positioning base 1 is also provided with the slide unit cylinder 13 slided in the bottom that can promote adjustable support 10 on track 91.
Adjustable support 10 comprises the sliding seat 104 be slidably mounted on welding slide unit 9, be fixedly mounted on the longitudinal sleeve 105 on sliding seat 104, be sleeved on the longitudinal rod 106 in longitudinal sleeve 105, transverse sleeves 107 and transverse bar 108, match with track 91 in the bottom of sliding seat 104, the external part of slide unit cylinder 13 is fixedly connected with sliding seat 104, one end of transverse sleeves 107 is fixedly connected with the top of longitudinal rod 106, the other end of transverse sleeves 107 is sleeved on one end of transverse bar 108, welding gun 8 is arranged on the other end of transverse bar 108, the nozzle alignment welding escape groove 32 of welding gun 8, transverse sleeves 107 is mutually vertical in same plane with the center line of transverse bar 108.
The other end of transverse sleeves 107 has the adjustable sleeve 1071 of degree of tightness, and one end of transverse bar 108 is arranged in the adjustable sleeve 1071 of degree of tightness, the axis of the adjustable sleeve 1071 of degree of tightness and the axis perpendicular of transverse sleeves 107.Longitudinal sleeve 105 is provided with degree of tightness set screw.
During use, be placed in centring ring 2 by hand by steel wire retainer 100, start control button, control following steps complete by electrical system: binder block 3 drives the 2-in-1 mould with centring ring by binder cylinder 5; Pad 103 radial location of steel wire retainer 100 has been come by the internal diameter of centring ring 2 and the external diameter of binder block boss 31, and axial location has been come by the protruding upper surface of 21 and the circular bead surface 34 of binder block 3.Grip slide 11 is driven by slide block cylinder 12 and moves ahead, and enters in centring ring 2 from slider throughbores 22, and welding gun 8 is driven by slide unit cylinder 13 and proceeds to pad 103, electric discharge welding; After completing the welding of steel wire retainer 100, welding gun 8, grip slide 11 return initial position; Binder block 3 returns initial position subsequently; Unloading block 4 is driven by discharging cylinder 6, is ejected by steel wire retainer 100, and unloading block 4 returns initial position subsequently; Manual taking-up steel wire retainer 100; So complete the welding of a retainer.
The projection 21 at steel wire retainer 100 contact to be welded 103 place is slightly wider than other projection 21, there is provided space for compressing, described steel wire retainer 100 contact 103 to be welded one end is fixed by protruding 21, and the other end is pushed by the inclined-plane 111 of grip slide 11, is pressed against together in be welded two cross sections.
The adjustable support 10 of fixing welding gun 8 can carry out 360 ° of adjustment location, all can adjust use for the centring ring 2 changing various height specification.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.

Claims (10)

1. a clutch steel wire retainer Semiautomatic welding device, is characterized in that: comprise retainer localization part and welding gun adjustment portion,
Retainer localization part comprise positioning base (1), centring ring (2), binder block (3), unloading block (4), for binder block (3) being pressed on the binder cylinder (5) of centring ring (2) upper end and the discharging cylinder (6) for unloading block (4) being pressed on centring ring (2) lower end, described discharging cylinder (6) is fixed on positioning base (1), binder cylinder (5) is arranged on the top of centring ring (2) by the column (7) on positioning base (1)
Welding gun adjustment portion comprises welding gun (8), welding slide unit (9) and adjustable support (10), described welding slide unit (9) be fixedly connected with positioning base (1) and bottom surface all at grade, adjustable support (10) is fixed in welding slide unit (9), welding gun (8) is arranged on adjustable support (10), and the nozzle of welding gun (8) is towards centring ring (2).
2. clutch steel wire retainer Semiautomatic welding device as claimed in claim 1, it is characterized in that: the internal diameter d1 of described centring ring (2) matches with the retainer external diameter do not welded, the inner ring of described centring ring (2) is provided with the projection (21) for supporting retainer protuberance (102), the sum-1 of setting N=retainer protuberance (102), the number of described projection (21) is less than or equal to N, the distance of protruding (21) upper end and centring ring (2) upper port substantially and the outside diameter d 3 of the steel wire of retainer consistent.
3. clutch steel wire retainer Semiautomatic welding device as claimed in claim 2, is characterized in that: described unloading block (4) outer loop-shaped matches with the inner ring of centring ring (2).
4. clutch steel wire retainer Semiautomatic welding device as claimed in claim 3, it is characterized in that: binder block (3) lower surface has binder block boss (31), the external diameter of binder block boss (31) matches with the diameter of a circle d2 at protruding (21) inwall place, has circular bead surface (34) between the outer ring of outer ring to binder block (3) of binder block boss (31).
5. clutch steel wire retainer Semiautomatic welding device as claimed in claim 4, it is characterized in that: when the retainer do not welded is arranged on the inner ring of centring ring (2), the sidewall of the corresponding centring ring (2) of protuberance (102) do not supported by protruding (21) offers slider throughbores (22), described clutch steel wire retainer Semiautomatic welding device also comprise for by grip slide (11) close to each other for retainer pad and for by grip slide (11) advance slider throughbores (22) slide block cylinder (12), grip slide (11) is in voussoir shape, the inclined-plane (111) of grip slide (11) is towards the pad of retainer.
6. clutch steel wire retainer Semiautomatic welding device as claimed in claim 5, it is characterized in that: the upper surface of described binder block (3) offers welding escape groove (32) to the lower surface of unloading block boss (41), unloading block boss (41) also offers the grip slide escape groove (33) matched with grip slide (11).
7. clutch steel wire retainer Semiautomatic welding device as claimed in claim 1, it is characterized in that: described welding slide unit (9) offers towards the track of positioning base (1) (91), positioning base (1) is also provided with the slide unit cylinder (13) of bottom slip on track (91) that can promote adjustable support (10).
8. clutch steel wire retainer Semiautomatic welding device as claimed in claim 7, it is characterized in that: adjustable support (10) comprises the sliding seat (104) be slidably mounted in welding slide unit (9), be fixedly mounted on the longitudinal sleeve (105) on sliding seat (104), be sleeved on the longitudinal rod (106) in longitudinal sleeve (105), transverse sleeves (107) and transverse bar (108), match with track (91) in the bottom of sliding seat (104), the external part of slide unit cylinder (13) is fixedly connected with sliding seat (104), one end of transverse sleeves (107) is fixedly connected with the top of longitudinal rod (106), the other end of transverse sleeves (107) is sleeved on one end of transverse bar (108), welding gun (8) is arranged on the other end of transverse bar (108), nozzle alignment welding escape groove (32) of welding gun (8), transverse sleeves (107) is mutually vertical in same plane with the center line of transverse bar (108).
9. clutch steel wire retainer Semiautomatic welding device as claimed in claim 8, it is characterized in that: the other end of described transverse sleeves (107) has the adjustable sleeve of degree of tightness (1071), one end of transverse bar (108) is arranged in the adjustable sleeve of degree of tightness (1071), the axis of the adjustable sleeve of degree of tightness (1071) and the axis perpendicular of transverse sleeves (107).
10. clutch steel wire retainer Semiautomatic welding device as claimed in claim 9, is characterized in that: longitudinal sleeve (105) is provided with degree of tightness set screw.
CN201510917908.3A 2015-12-10 2015-12-10 Clutch steel wire retainer Semiautomatic welding device Active CN105345297B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510917908.3A CN105345297B (en) 2015-12-10 2015-12-10 Clutch steel wire retainer Semiautomatic welding device

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Application Number Priority Date Filing Date Title
CN201510917908.3A CN105345297B (en) 2015-12-10 2015-12-10 Clutch steel wire retainer Semiautomatic welding device

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CN105345297B CN105345297B (en) 2017-05-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106736118A (en) * 2016-12-30 2017-05-31 安徽泰富重工制造有限公司 A kind of multifunctional welding machine device

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Publication number Priority date Publication date Assignee Title
JPS57195583A (en) * 1981-05-28 1982-12-01 Matsushita Electric Ind Co Ltd Automatic welding device for branch pipe
CN2875675Y (en) * 2006-03-03 2007-03-07 庄添财 Middle supporting plate welding clamp device
CN200977597Y (en) * 2006-11-23 2007-11-21 程豪建 Circumference automatic welding device
CN101434006A (en) * 2008-11-14 2009-05-20 深圳市大族激光科技股份有限公司 Laser beam welding workstation
CN103008937A (en) * 2012-12-07 2013-04-03 青岛凯杰轻工机械有限公司 Automatic welding device
CN103612060A (en) * 2013-11-22 2014-03-05 礼恩派(泰州)有限公司 Pneumatic pressing-ring welding jig
CN104816073A (en) * 2015-03-27 2015-08-05 安徽宁国晨光精工股份有限公司 Automatic welding device
CN204771215U (en) * 2015-06-24 2015-11-18 江苏省社渚轴承有限公司 Bearing retainer circle welding set
CN205166206U (en) * 2015-12-10 2016-04-20 江苏南方轴承股份有限公司 Half automatic welder of clutch steel wire holder

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195583A (en) * 1981-05-28 1982-12-01 Matsushita Electric Ind Co Ltd Automatic welding device for branch pipe
CN2875675Y (en) * 2006-03-03 2007-03-07 庄添财 Middle supporting plate welding clamp device
CN200977597Y (en) * 2006-11-23 2007-11-21 程豪建 Circumference automatic welding device
CN101434006A (en) * 2008-11-14 2009-05-20 深圳市大族激光科技股份有限公司 Laser beam welding workstation
CN103008937A (en) * 2012-12-07 2013-04-03 青岛凯杰轻工机械有限公司 Automatic welding device
CN103612060A (en) * 2013-11-22 2014-03-05 礼恩派(泰州)有限公司 Pneumatic pressing-ring welding jig
CN104816073A (en) * 2015-03-27 2015-08-05 安徽宁国晨光精工股份有限公司 Automatic welding device
CN204771215U (en) * 2015-06-24 2015-11-18 江苏省社渚轴承有限公司 Bearing retainer circle welding set
CN205166206U (en) * 2015-12-10 2016-04-20 江苏南方轴承股份有限公司 Half automatic welder of clutch steel wire holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106736118A (en) * 2016-12-30 2017-05-31 安徽泰富重工制造有限公司 A kind of multifunctional welding machine device

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Address after: 213000 Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province

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