CN101491860A - Gantry multiple-spot welder - Google Patents

Gantry multiple-spot welder Download PDF

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Publication number
CN101491860A
CN101491860A CNA2009100610251A CN200910061025A CN101491860A CN 101491860 A CN101491860 A CN 101491860A CN A2009100610251 A CNA2009100610251 A CN A2009100610251A CN 200910061025 A CN200910061025 A CN 200910061025A CN 101491860 A CN101491860 A CN 101491860A
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China
Prior art keywords
fixed
welding machine
welding
aftertable
worktable
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Application number
CNA2009100610251A
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Chinese (zh)
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CN101491860B (en
Inventor
刘学明
徐明祥
赵肖锋
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YINGCHENG JUNTENGFA WELDING EQUIPMENT CO Ltd
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YINGCHENG JUNTENGFA WELDING EQUIPMENT CO Ltd
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Priority to CN2009100610251A priority Critical patent/CN101491860B/en
Publication of CN101491860A publication Critical patent/CN101491860A/en
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Publication of CN101491860B publication Critical patent/CN101491860B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a resistance welding machine, in particular to a gantry multi-spot welding machine, which comprises an electrical control device, a spot welding hydraulic system and a resistance welding machine, wherein both sides of the resistance welding machine are fixed with a front worktable and a rear worktable. The gantry multi-spot welding machine is characterized in that the front worktable and the rear worktable are both fixed with longitudinal moving guide rails, the rear worktable is fixed with a transverse traveling roller, the front end of the front worktable and the tail end of the rear worktable are fixed with a workpiece positioning mechanism and a servodriving mechanism, and both sides of the rear worktable are fixed with a plurality of guide devices. The gantry multi-spot welding machine overcomes the disadvantages of large energy loss and low efficiency of the prior resistance welding machine. The gantry multi-spot welding machine has the advantages of simple structure and high automation degree, can realize the automatic multi-spot welding, and has low energy loss, high production efficiency and good welding quality compared with the prior resistance welding machine.

Description

Gantry multiple-spot welder
Technical field
The present invention relates to a kind of resistance welder, relate in particular to a kind of gantry multiple-spot welder.
Background technology
The kind of resistance welder has a lot, and commonplace have single phase ac welding machine or a phase secondary rectification welding machine.This resistance welder is at the stainless steel material of welding 2Cr13Ni4Mn9 and have and but be not suitable for when strict process requires.Because workpiece material 2Cr13Ni4Mn9 stainless steel, its welding characteristic is: the big 50%-60% of welding electrode pressure ratio common stainless steel; This workpiece is a heat-radiator plate, and interior water-filling, pressure are at 20Mpa, so butt welding point is strict, can not has during welding and splash, and the nugget transition is even around the welding; Long 7600mm * the 1220mm of this heat-radiator plate has 1440 solder joints on the plate, become regular distribution, and requirement can not have a pad not reach quality requirement.Otherwise whole plate does to do over again processing.
Consistent single phase ac welding machine or the phase secondary rectification welding machine that adopts of traditional welding manner: all there is shortcoming in this this welding to this workpiece welding:
1.A, single phase ac electric resistance welding machine is big because of the welding circuit reactance, power factor has only about 40%, energy loss is big, and is not energy-conservation, uneconomical.B, required time of welding are long, and the heat affected area is big, and welding work pieces is easy to generate distortion.C, required time of welding are long, and it is long to conduct the hot time to peripheral metal, and heat loss is many, and general heat loss accounts for about the 30%-50% of total amount of heat, welds the heat great majority of generation and has done idle work.
2. the phase secondary rectification welding machine is output as direct current, but does not also have secondary constant-current control function at present, and whole plate of this workpiece has 1440 solder joints, and size of current is the same in the time of can not guaranteeing each solder joint welding like this.This is directly connected to the quality of solder joint.
3. traditional welding manner is single-point welding, carries out operation, and a plate welding is finished and needed about 30 minutes, and operating personnel need 3-4 people to operate to finish, and production efficiency is low like this, and personnel labor intensity is big.
Summary of the invention
Technical problem to be solved by this invention is exactly the defective that exists at existing resistance welder, and a kind of gantry multiple-spot welder is provided, and it has overcome big, the inefficient shortcoming of existing resistance welder energy loss.
Technical scheme of the present invention is achieved in that it comprises electrical control gear, spot welding hydraulic system and resistance welding machine, the both sides of resistance welding machine are fixed with front console and aftertable, it is characterized in that: all be fixed with longitudinal movement rail on front console and the aftertable, be fixed with horizontal traveling roller on the aftertable, the front end of front console and the tail end of aftertable are fixed with workpiece detent mechanism and servo-actuating device, and the both sides of front console and aftertable are fixed with a plurality of guiders.
The present invention's technical scheme preferably is: described resistance welding machine comprises upper spider and lower bearing bracket, corresponding on upper spider and the lower bearing bracket a plurality of welders is housed; Described welder comprises a welding oil cylinder, on the piston rod of welding oil cylinder electrode tip holder is housed, and welding electrode is housed on the electrode tip holder; Described guider comprises a fixed head, be fixed with accurate line slide rail on the fixed head, slide block is equipped with in activity on the accurate line slide rail, the slide block top is fixed with the guide securement plate, one end of guide securement plate is fixed with the orienting roll wheel shaft by the directive wheel fixed block, guide roller is equipped with in activity on the orienting roll wheel shaft, and the other end of guide securement plate is connected with the shift cylinder slurcam, and the shift cylinder slurcam is connected with the piston rod of shift cylinder.
The advantage that the present invention has is simple in structure, automaticity is high, it can realize that multiple spot welds automatically, the energy loss of comparing it with existing resistance welder is low, production efficiency is high, welding quality good.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the structural representation of resistance welding machine of the present invention
Fig. 4 is circuit theory diagrams of the present invention
Fig. 5 is the structural representation of this present invention guider
Fig. 6 is the vertical view of Fig. 5
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described:
As shown in Figure 1, the present invention includes electrical control gear, spot welding hydraulic system and resistance welding machine, the both sides of resistance welding machine 1 are fixed with front console 2 and aftertable 3.All be fixed with longitudinal movement rail 4 on front console 2 and the aftertable 3 as shown in Figure 2, be fixed with horizontal traveling roller 5 on the aftertable 3, the front end of front console 2 and the tail end of aftertable are fixed with workpiece detent mechanism 6 and servo-actuating device 7, and the both sides of front console 2 and aftertable 3 are fixed with a plurality of guiders 8.Described as shown in Figure 3 resistance welding machine 1 comprises upper spider 9 and lower bearing bracket 10, corresponding on upper spider 9 and the lower bearing bracket 10 a plurality of welders 11 is housed; Described welder comprises a welding oil cylinder 12, on the piston rod of welding oil cylinder 12 electrode tip holder 13 is housed, and welding electrode 14 is housed on the electrode tip holder 13; Described guider 8 comprises a fixed head 15 shown in Fig. 5, figure, be fixed with accurate line slide rail 16 on the fixed head 15, slide block 17 is equipped with in activity on the accurate line slide rail 16, slide block 17 tops are fixed with guide securement plate 18, one end of guide securement plate 18 is fixed with orienting roll wheel shaft 20 by directive wheel fixed block 19, guide roller 21 is equipped with in activity on the orienting roll wheel shaft 20, the other end of guide securement plate 18 is connected with shift cylinder slurcam 22, and shift cylinder slurcam 22 is connected with the piston rod of shift cylinder 23.Fig. 4 is circuit theory diagrams of the present invention, belongs to prior art so do not describe.
During work, workpiece is placed on the front console 2, drives workpiece by servo-actuating device 7 and on longitudinal movement rail 4, vertically move.When workpiece vertically moves on longitudinal movement rail 4, be fixedly clamped, prevent that workpiece from laterally moving by the guide roller on the guider 8 21.By when workpiece is delivered to assigned address, following welding oil cylinder rises and pressurize, and the welding oil cylinder is depressed one by one on this moment, and each oil cylinder all works alone successively.When first oil cylinder depress welded after, get back to original position, second oil cylinder just begins the work of depressing, and finishes up to row's groove welding.When having welded whole 11 groove backward shift oil cylinders to a side shifting 54mm, servomotor counter-rotating at this moment drives workpiece and moves round about, welds remaining groove, and servomotor shuts down behind the triggering photoelectric sensor.At this moment all following welding oil cylinder retractions, servomotor begins to start, and promotes the workpiece reach, welding second row's groove.

Claims (4)

1, a kind of gantry multiple-spot welder, it comprises electrical control gear, spot welding hydraulic system and resistance welding machine, the both sides of resistance welding machine are fixed with front console and aftertable, it is characterized in that: all be fixed with longitudinal movement rail on front console and the aftertable, be fixed with horizontal traveling roller on the aftertable, the front end of front console and the tail end of aftertable are fixed with workpiece detent mechanism and servo-actuating device, and the both sides of front console and aftertable are fixed with a plurality of guiders.
2, a kind of gantry multiple-spot welder according to claim 1, it is characterized in that: described resistance welding machine comprises upper spider and lower bearing bracket, corresponding on upper spider and the lower bearing bracket a plurality of welders is housed.
3, a kind of gantry multiple-spot welder according to claim 1 is characterized in that: described welder comprises a welding oil cylinder, on the piston rod of welding oil cylinder electrode tip holder is housed, and welding electrode is housed on the electrode tip holder.
4, a kind of gantry multiple-spot welder according to claim 1, it is characterized in that: described guider comprises a fixed head, be fixed with accurate line slide rail on the fixed head, slide block is equipped with in activity on the accurate line slide rail, the slide block top is fixed with the guide securement plate, one end of guide securement plate is fixed with the orienting roll wheel shaft by the directive wheel fixed block, guide roller is equipped with in activity on the orienting roll wheel shaft, the other end of guide securement plate is connected with the shift cylinder slurcam, and the shift cylinder slurcam is connected with the piston rod of shift cylinder.
CN2009100610251A 2009-03-06 2009-03-06 Gantry multiple-spot welder Expired - Fee Related CN101491860B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100610251A CN101491860B (en) 2009-03-06 2009-03-06 Gantry multiple-spot welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100610251A CN101491860B (en) 2009-03-06 2009-03-06 Gantry multiple-spot welder

Publications (2)

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CN101491860A true CN101491860A (en) 2009-07-29
CN101491860B CN101491860B (en) 2011-05-18

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890566A (en) * 2010-07-16 2010-11-24 窦川忠 Automatically controllable fast multi-spot welding device and using method
CN101934422A (en) * 2010-08-30 2011-01-05 昆山市汇新电气机械有限公司 Portal welding machine
CN102189320A (en) * 2010-03-12 2011-09-21 富港电子(东莞)有限公司 Automatic spot welding system
CN102363246A (en) * 2011-10-12 2012-02-29 浙江正邦汽车模具有限公司 Clamp for simultaneously welding multiple convex points of automobile part
CN102398136A (en) * 2011-12-06 2012-04-04 浙江正邦汽车模具有限公司 Fixture for simultaneously welding multiple salient points of automobile parts
CN102554435A (en) * 2010-12-13 2012-07-11 株式会社电装 Resistance welding system
CN104646813A (en) * 2014-06-26 2015-05-27 柳州市够旺贸易有限公司 Spot welder
CN104842057A (en) * 2015-05-29 2015-08-19 昆山市汇新焊接机械自动化科技有限公司 24-point welding machine for metal-plate goods shelves
CN107175394A (en) * 2017-07-12 2017-09-19 上海克来罗锦机电自动化工程有限公司 A kind of circumferential weld multiple spot automatic soldering device
CN112548294A (en) * 2020-11-17 2021-03-26 芜湖普威技研有限公司 Welding equipment for spot welding of battery compartment of balance car

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189320A (en) * 2010-03-12 2011-09-21 富港电子(东莞)有限公司 Automatic spot welding system
CN102189320B (en) * 2010-03-12 2013-06-19 富港电子(东莞)有限公司 Automatic spot welding system
CN101890566A (en) * 2010-07-16 2010-11-24 窦川忠 Automatically controllable fast multi-spot welding device and using method
CN101890566B (en) * 2010-07-16 2012-07-18 窦川忠 Automatically controllable fast multi-spot welding device and using method
CN101934422A (en) * 2010-08-30 2011-01-05 昆山市汇新电气机械有限公司 Portal welding machine
CN101934422B (en) * 2010-08-30 2013-03-20 昆山市汇新电气机械有限公司 Portal welding machine
CN102554435B (en) * 2010-12-13 2014-12-03 株式会社电装 Resistance welding system
CN102554435A (en) * 2010-12-13 2012-07-11 株式会社电装 Resistance welding system
CN102363246A (en) * 2011-10-12 2012-02-29 浙江正邦汽车模具有限公司 Clamp for simultaneously welding multiple convex points of automobile part
CN102398136A (en) * 2011-12-06 2012-04-04 浙江正邦汽车模具有限公司 Fixture for simultaneously welding multiple salient points of automobile parts
CN102398136B (en) * 2011-12-06 2014-09-03 浙江正邦汽车模具有限公司 Fixture for simultaneously welding multiple salient points of automobile parts
CN104646813A (en) * 2014-06-26 2015-05-27 柳州市够旺贸易有限公司 Spot welder
CN104842057A (en) * 2015-05-29 2015-08-19 昆山市汇新焊接机械自动化科技有限公司 24-point welding machine for metal-plate goods shelves
CN107175394A (en) * 2017-07-12 2017-09-19 上海克来罗锦机电自动化工程有限公司 A kind of circumferential weld multiple spot automatic soldering device
CN107175394B (en) * 2017-07-12 2022-08-05 上海奥可威智能设备有限公司 Circular seam multi-point automatic welding device
CN112548294A (en) * 2020-11-17 2021-03-26 芜湖普威技研有限公司 Welding equipment for spot welding of battery compartment of balance car

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Denomination of invention: Gantry multiple-spot welder

Effective date of registration: 20120511

Granted publication date: 20110518

Pledgee: Bank of Hubei, Limited by Share Ltd, Yingcheng branch

Pledgor: Yingcheng Juntengfa Welding Equipment Co., Ltd.

Registration number: 2012990000199

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Gantry multiple-spot welder

Effective date of registration: 20120511

Granted publication date: 20110518

Pledgee: Bank of Hubei, Limited by Share Ltd, Yingcheng branch

Pledgor: Yingcheng Juntengfa Welding Equipment Co., Ltd.

Registration number: 2012990000199

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110518

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CF01 Termination of patent right due to non-payment of annual fee