CN101704159A - Bearing surface stud multipoint projection welding machine - Google Patents
Bearing surface stud multipoint projection welding machine Download PDFInfo
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- CN101704159A CN101704159A CN 200910308602 CN200910308602A CN101704159A CN 101704159 A CN101704159 A CN 101704159A CN 200910308602 CN200910308602 CN 200910308602 CN 200910308602 A CN200910308602 A CN 200910308602A CN 101704159 A CN101704159 A CN 101704159A
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Abstract
The invention discloses a bearing surface stud multipoint projection welding machine which comprises a projection welding machine host machine, a control box (40), a working cylinder (30) and a pedal switch (10) for controlling the welding operation, wherein a plurality of projection welding upper electrodes (61) which are determined according to the structural shape of a stamping part to be welded are arranged on projection welding upper electrode holders (61) of the projection welding machine host machine, stud locating electrode holders (51) which correspond to the projection welding upper electrode holders (61) on the position and quantity are arranged on stud locating lower electrodes (50), and stud locating holes (52) of a bearing surface stud are arranged on the upper end surface of the stud locating electrode holders. The invention solves the problems that the traditional stud welding technology can not satisfy the high-precision fitting size requirement, and a welding stud of a small stamping part has low production efficiency and is difficult to design stud weld locating, provides the rapid and effective bearing surface stud multipoint projection welding machine with high production efficiency and high welding size precision, and ensures specific welding requirements.
Description
Technical field
The present invention relates to a kind of welding equipment, especially relate to a kind of projection welder equipment.
Background technology
In automobile and parts thereof, many workpiece connect by double-screw bolt, and stud welding is a requisite operation in the automobile production process, so stud welding machine has also become indispensable welding equipment; It is the end face stud welding machine that the stud welding machine that uses in the present welding production process all generally adopts, and use the end face stud welding machine to have more irrational place: as when carrying out finding welding end surface double-screw bolt, because the limiting factor of space structure causes the anchor clamps location to design; The production efficiency of end face stud welding punching press smallclothes is lower, and the end face stud welding can't be satisfied the matching requirements of the high automobile assembling parts of moment of torsion, and when the high parts of matching requirements were assembled, the welding precision of end face double-screw bolt can't satisfy matching requirements etc. simultaneously; The direct or indirect assembling of giving automobile and parts thereof brings certain degree of difficulty influence.
The day for announcing is that the granted patent ZL200820037929.1 on April 15th, 2009 discloses a kind of projection welder, form by frame, electric part and mechanical part, electric part comprises the transformer that is communicated with upper/lower electrode and is connected the projection welding top electrode and the cable of projection welding bottom electrode and transformer, regulates the digital control system of control welding current, weldingvoltage and time; Mechanical part is made up of air pressurized mechanism, actuating unit and cooling water system; Projection welding top electrode (5), projection welding bottom electrode (6) are rod shaped structure, projection welding top electrode (5) is connected as a single entity with the welding machine cylinder (4) of air pressurized mechanism, the cable that projection welding top electrode (5), projection welding bottom electrode (6) are connected with transformer is Water cooling cable door (1), and transformer is a water cooled transformer; Adopt this underslung projection welder, but the nut (bolt) of the big stamping parts diverse location of weld size overcomes fixedly projection welder throat opening smaller defect, has also avoided CO
2Welding is to the pollution of environment, and cost is lower, because of employing is a sky formula structure, has saved the space.But the projection welder of this structure exists the low and anchor clamps of production efficiency when welding the smallclothes stamping parts equally and locatees problem such as can't effectively design.
Summary of the invention
The present invention for solve existing end face stud welding technology and have the existing dimensional requirement that can't satisfy the high accuracy assembly parts and when the welding smallclothes stamping parts production efficiency low, can't realize a kind of dimensional requirement that satisfies the high accuracy assembly parts that present situation such as the anchor clamps of smallclothes parts location designing requirement is provided, can improve production efficiency, the convenient bearing surface stud multipoint projection welding machine of realizing smallclothes parts stamping parts is designed the stud welding location to smallclothes stamping parts welding screw.
The present invention solves the problems of the technologies described above the concrete technical scheme that is adopted to be: a kind of bearing surface stud multipoint projection welding machine, comprise the projection welder main frame, the pedal type switch of control cabinet and working cylinder and control welding job, it is characterized in that: the projection welding top electrode seat of projection welder main frame is provided with the determined a plurality of projection welding top electrodes of the planform that can weld stamping parts as required, on its double-screw bolt location bottom electrode, be provided with the double-screw bolt keeper electrode holder structure identical with projection welding top electrode institute's opposite position and quantity, double-screw bolt keeper electrode holder structure end face place thereon has the double-screw bolt locating hole structure of bearing surface stud downwards. and bearing surface stud and part have good positioning accuracy at double-screw bolt location bottom electrode, it is accurate to weld out the position, the double-screw bolt Assembly part of consistent size, can satisfy the fitted position requirement of high accuracy assembly parts. pump by the projection welding top electrode, to weld after the energising. welding job is carried out in circulation, only need single independent operation just can finish whole welding process, the part of taking, pin is stepped on switch, welding operation is very convenient, not only improved production efficiency, reduced labor intensity of operating personnel, and improved the production operation safety of persons, the floor space of equipment is also smaller.
As preferably, described a plurality of projection weldings very frame mode of cylindricality plane double-screw bolt that powers on adopts the quantitative structure of two projection welding top electrodes.The productivity ratio height, and do not have shunt influence, can effectively once carry out two stud weldings, the projection welding upper electrode arrangement of varying number also can be set according to the part actual conditions of required welding, satisfy quick production weld task demand; And the intensity effect of bearing surface stud multiple spot welding is better, can satisfy the high requirement of auto parts machinery assembling moment of torsion.
As preferably, described double-screw bolt keeper electrode seat is the frame mode of cylindricality plane double-screw bolt.Cooperate top electrode can effectively once carry out two stud weldings, the projection welding upper electrode arrangement of varying number also can be set according to the part actual conditions of required welding, satisfy quick production weld task demand.Because the bearing surface stud multiple spot welding adopts big plane top electrode, and salient point is arranged on the stamped workpieces back side, so can alleviate the impression on the workpiece fitting surface to greatest extent, improve the surface quality of projection welding part, be effectively controlled for the gap between build-up member and the projection welding part, double-screw bolt keeper electrode seat 51 is dismountable connected mode with its welding lower table face.
As preferably, the connected mode between the interlock pedestal of described projection welding top electrode seat and working cylinder is dismountable tight.Replacing, installation and dismounting, maintenance are all made its presence or power felt and are lived conveniently.
As preferably, the perforate degree of depth of described double-screw bolt locating hole is inserted the degree of depth of double-screw bolt locating hole greater than required bearing surface stud location of carrying out stud welding.Effectively carry out bearing surface stud is positioned in the double-screw bolt locating hole positioning accuracy height, the good welding quality effect that guarantees of contact.
The invention has the beneficial effects as follows: solved the dimensional requirement that existing stud welding technology can't satisfy the high accuracy assembly parts, smallclothes stamping parts welding screw production efficiency is low, the problem of smallclothes stamping parts design stud welding location difficulty; A kind of production efficiency height, weld size precision height, bearing surface multiple spot welding projection welder fast and effectively are provided, have guaranteed its special welding demand to a greater extent.
Description of drawings:
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the preferred implementation of bearing surface stud multipoint projection welding machine of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram at the A place among Fig. 2.
Fig. 4 is the stamping parts structural representation that carries out stud welding that utilizes bearing surface stud multipoint projection welding machine of the present invention.
Fig. 5 is the vertical view of stamping parts among Fig. 4.
The specific embodiment
Among Fig. 1, the embodiment shown in Figure 2, a kind of bearing surface stud multipoint projection welding machine, the pedal type switch 10 that comprises projection welder main frame 20, control cabinet 40 and working cylinder 30 and control welding job, the projection welding top electrode seat 60 of projection welder main frame 20 is provided with determined two the projection welding top electrodes 61 of the planform that can weld stamping parts as required, the frame mode of projection welding top electrode 61 cylindricality plane double-screw bolts, two projection welding top electrodes 61 protrude down outside the lower surface of projection welding top electrode seat 60; On its double-screw bolt location bottom electrode 50, be provided with double-screw bolt positioning seat 51 structures with 61 opposite positions of projection welding top electrode and equal number, described double-screw bolt keeper electrode seat 51 adopts the frame mode of cylindricality plane double-screw bolt. and double-screw bolt keeper electrode seat 51 structure upper end surfaces have the double-screw bolt locating hole 52 structure (see figure 3)s of bearing surface stud downwards, the double-screw bolt locating hole can carry out the bearing surface stud of stamped workpieces the accurate and effective location. and the connected mode between the interlock pedestal 80 of described projection welding top electrode seat 60 and working cylinder 30 is dismountable mode that is fastenedly connected, adopt bolt to realize fastening and dismounting to the installation of projection welding top electrode seat, double-screw bolt keeper electrode seat 51 adopts dismountable connected mode with its welding lower table face, uses bolt to realize the fastening and dismounting to the installation of double-screw bolt keeper electrode. and the perforate degree of depth of described double-screw bolt locating hole 52 is inserted the degree of depth of double-screw bolt locating hole 52 greater than required bearing surface stud location of carrying out stud welding.
During stud welding, two bearing surface studs 71 and the bearing surface stud 72 that needs are carried out the stamping parts 70 of stud welding are positioned at respectively in the perforate of double-screw bolt locating hole 52, punching parts is placed between the upper/lower electrode of projection welder, adjusting is controlled the parameter of welding current, weldingvoltage and time, the pin of paying attention to well and is stepped on switch, working cylinder 30 work of energising back, the drive projection welding top electrode utmost point 61 pumps and welds, utilize the water of water lines to cool off again after welding is good, cut-off switch again, take out the good part of welding then, leave assigned address in; The stud welding of next stamping parts is carried out in recirculation.
Claims (5)
1. bearing surface stud multipoint projection welding machine, comprise projection welder main frame (20), the pedal type switch (10) of control cabinet (40) and working cylinder (30) and control welding operation work, the projection welding top electrode seat that is connected with working cylinder (30), it is characterized in that: the projection welding top electrode seat (60) of projection welder main frame (20) is provided with a plurality of projection welding top electrodes (61), a plurality of projection welding top electrodes (61) protrude down outside the lower surface of projection welding top electrode seat (60), be provided with the double-screw bolt keeper electrode seat (51) with projection welding top electrode (61) position correspondence position and equal number on its double-screw bolt location bottom electrode (50), double-screw bolt keeper electrode seat (51) end face place thereon has the double-screw bolt locating hole (52) of bearing surface stud downwards.
2. according to the described bearing surface stud multipoint projection welding machine of claim 1, it is characterized in that: described a plurality of projection welding top electrodes (61) are the frame mode of cylindricality plane double-screw bolt, adopt the quantitative structure of two projection welding top electrodes.
3. according to the described bearing surface stud multipoint projection welding machine of claim 1, it is characterized in that: described double-screw bolt keeper electrode seat (51) adopts the frame mode of cylindricality plane double-screw bolt.
4. according to claim 1 or 2 described bearing surface stud multipoint projection welding machines, it is characterized in that: the connected mode between the interlock pedestal (80) of described projection welding top electrode seat (60) and working cylinder (30) is dismountable mode that is fastenedly connected.
5. according to claim 1 or 3 described bearing surface stud multipoint projection welding machines, it is characterized in that: the perforate degree of depth of described double-screw bolt locating hole (52) is inserted the degree of depth of double-screw bolt locating hole (52) greater than required bearing surface stud location of carrying out stud welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910308602 CN101704159A (en) | 2009-10-22 | 2009-10-22 | Bearing surface stud multipoint projection welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910308602 CN101704159A (en) | 2009-10-22 | 2009-10-22 | Bearing surface stud multipoint projection welding machine |
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| CN101704159A true CN101704159A (en) | 2010-05-12 |
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| CN 200910308602 Pending CN101704159A (en) | 2009-10-22 | 2009-10-22 | Bearing surface stud multipoint projection welding machine |
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Cited By (7)
| 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 |
| CN102489860A (en) * | 2011-11-30 | 2012-06-13 | 中山火炬职业技术学院 | Multi-point welding process for dual-hole connecting plate |
| CN102513679A (en) * | 2011-12-21 | 2012-06-27 | 奇瑞汽车股份有限公司 | Welding mechanism for projection-weld nuts and welding method thereof |
| CN102615413A (en) * | 2012-03-31 | 2012-08-01 | 重庆至信实业有限公司 | Welding electrode assembly for car front door load-bearing beam member |
| CN102744511A (en) * | 2011-04-19 | 2012-10-24 | 江苏富陶车辆部件有限公司 | Combined electrode for spot welding of rear baffle plate and connecting plate of automobile |
| CN109014543A (en) * | 2018-09-29 | 2018-12-18 | 天津七所高科技有限公司 | A kind of nut box projection welding system |
| CN109079306A (en) * | 2018-08-29 | 2018-12-25 | 广州卡斯马汽车系统有限公司 | A kind of electrode rotary mechanism for automatic projection welding machine |
-
2009
- 2009-10-22 CN CN 200910308602 patent/CN101704159A/en active Pending
Cited By (10)
| 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 |
| CN101890566B (en) * | 2010-07-16 | 2012-07-18 | 窦川忠 | Automatically controllable fast multi-spot welding device and using method |
| CN102744511A (en) * | 2011-04-19 | 2012-10-24 | 江苏富陶车辆部件有限公司 | Combined electrode for spot welding of rear baffle plate and connecting plate of automobile |
| CN102489860A (en) * | 2011-11-30 | 2012-06-13 | 中山火炬职业技术学院 | Multi-point welding process for dual-hole connecting plate |
| CN102513679A (en) * | 2011-12-21 | 2012-06-27 | 奇瑞汽车股份有限公司 | Welding mechanism for projection-weld nuts and welding method thereof |
| CN102615413A (en) * | 2012-03-31 | 2012-08-01 | 重庆至信实业有限公司 | Welding electrode assembly for car front door load-bearing beam member |
| CN102615413B (en) * | 2012-03-31 | 2015-07-22 | 重庆至信实业有限公司 | Welding electrode assembly for car front door load-bearing beam member |
| CN109079306A (en) * | 2018-08-29 | 2018-12-25 | 广州卡斯马汽车系统有限公司 | A kind of electrode rotary mechanism for automatic projection welding machine |
| CN109079306B (en) * | 2018-08-29 | 2024-03-01 | 广州卡斯马汽车系统有限公司 | Electrode rotating mechanism for automatic projection welder |
| CN109014543A (en) * | 2018-09-29 | 2018-12-18 | 天津七所高科技有限公司 | A kind of nut box projection welding system |
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Application publication date: 20100512 |