CN202943358U - Spot welding device - Google Patents
Spot welding device Download PDFInfo
- Publication number
- CN202943358U CN202943358U CN 201220631832 CN201220631832U CN202943358U CN 202943358 U CN202943358 U CN 202943358U CN 201220631832 CN201220631832 CN 201220631832 CN 201220631832 U CN201220631832 U CN 201220631832U CN 202943358 U CN202943358 U CN 202943358U
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- CN
- China
- Prior art keywords
- electrode
- welding
- locating piece
- cushion block
- copper cushion
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a spot welding device. A first electrode arm (2) is installed at the lower end of one electrode stem (1), a second electrode arm (3) is installed at the lower end of the other electrode stem (1), a round head electrode (4) is fixedly arranged on the inner side of the lower end of the first electrode arm (2), two column electrodes (5) are fixedly on the inner side of the lower end of the second electrode arm (3) side by side, distances between the round head electrode (4) and the two column electrodes (5) are equal, and copper pads (6) are arranged between the round head electrode (4) and the two column electrodes (5). The spot welding device can be used for welding of workpieces similar to refuel coupling doors and the like, and an electrode holder cannot be interfered with the workpieces, the situation that the workpieces are hit to be damaged in a welding and a welding-gun closing can be effectively prevented. Not only operation is simple, and welding quality is ensured, but also two spots can be simultaneously welded at one time, time of gun overturning of the electrode holder is reduced, and welding efficiency is greatly improved.
Description
Technical field
The utility model belongs to welding technology field, specifically, and particularly a kind of spot-welded on device.
Background technology
Under present Trend of Auto Manufacturing Technologies condition, in the manufacturing process of automobile body-in-white, solder technology is absolutely necessary, and wherein ripe spot-welded on technique and superior soldering turret performance play critical effect to the quality of vehicle body.
Spot welding is by electrode pressure, welding work pieces to be clipped together, and makes the contact-making surface of workpiece and electrode melt the formation nugget by the large electric current of electrode two ends release, to reach the welding procedure of welding purpose.Select dissimilar soldering turret to weld extremely for different welding positions and be necessary, so both improved quality of welding spot, optimized again productive temp.But in the welded body process, all also there is following problem in the welding for being similar to the workpiece such as vehicle body fuel filler cap inner plate structure:
1) the similar workpiece such as filler cap is the surrounding sealing, welding is got ready and can only be entered from refueling oral pore, and soldering turret generally will select the electrode brachium, but refuels the original limited space of oral pore, and soldering turret can be interfered with workpiece, thereby affects welding efficiency;
2) oil filler and plate landing limit are few, weld the outside plate of easily damaging when closing rifle;
3) welding of general oil filler is got number ready for 4-6, turns over rifle and get difficulty ready in oil filler, not only inconvenient operation, and inefficiency.
The utility model content
It is a kind of easy to operate that technical problem to be solved in the utility model is to provide, and can guarantee the spot-welded on device of product quality and production efficiency.
the technical solution of the utility model is as follows: a kind of spot-welded on device, two electrode stems that are arranged side by side (1) middle part is hinged, the first horn (2) is installed in the lower end of an electrode stem (1) therein, the second horn (3) is installed in the lower end of another electrode stem (1), inboard in described the first horn (2) lower end is fixedly installed a round end electrode (4), the inboard of the second horn (3) lower end is fixed two cylinder electrodes (5) side by side, described round end electrode (4) and two cylinder electrodes (5) are on sustained height, round end electrode (4) equates with distance between two cylinder electrodes (5), and be provided with copper cushion block (6) between described round end electrode (4) and two cylinder electrodes (5).
The utility model combines the advantage of general resistance spot welding tongs and one plane type welding, be fixed on fixture by the bipolar electrode copper cushion block that soldering turret is separated, and adjust to required weld pads position, the round end electrode of bipolar electrode copper cushion block when soldering turret clamps and on the first horn tightly fitted, guaranteed the stable of welding, also optimized the problem that soldering turret and workpiece are interfered, not only easy to operate, and can guarantee product quality.In addition, the bipolar electrode copper cushion block is easy for installation, takes up room little, exempts from dismounting, can install in the weld pads many places.Two cylinder electrodes can weld 2 points simultaneously, have also reduced the time that soldering turret turns over rifle, have improved welding efficiency.
Be provided with circular groove on an end face of described copper cushion block (6), copper cushion block (6) matches with round end electrode (4) by this circular groove, in conjunction with closely, can further guarantee the stability of welding between the two; Be formed with two boss (6a) on another end face of copper cushion block (6), these two boss (6a) are corresponding one by one with two cylinder electrodes (5), two boss and two cylinder electrodes are clamped in respectively the both sides of welding position, the location is reliable, can further improve welding quality.
Described copper cushion block (6) is made by chromium pick copper product.Chromium pick copper has good electric conductivity, thermal conductivity, and hardness is high, wear-resisting antiknock, crack resistance and softening temperature are high, and when welding like this, export license is few, and speed of welding is fast, and the welding totle drilling cost is low.
Be provided with the first locating piece (7) on the side of described boss (6a), the below of the first locating piece (7) is provided with the second locating piece (8), described the first locating piece (7) and the second locating piece (8) are rectangular structure, the first locating piece (7) fixes by upper end and the copper cushion block (6) of bolt and spring leaf (9), and the lower end of spring leaf (9) fixes by bolt and the second locating piece (8).The second locating piece is used for jockey, between fixture and copper cushion block, spring leaf is set, and utilizes spring leaf to have the characteristic of strain, and copper cushion block and workpiece are fitted closely, is conducive to improve welding quality.
Beneficial effect: the utility model can be used in the welding of the similar workpiece such as filler cap, soldering turret can not interfered with workpiece, can effectively prevent the welding workpiece of damaging when closing rifle, not only simple to operate, welding quality is secure, and once can weld simultaneously 2 points, and reduced the time that soldering turret turns over rifle, greatly improved welding efficiency.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram that the utility model takes off copper cushion block.
Fig. 3 is use state diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1 and Figure 2, the utility model is comprised of members such as electrode stem 1, the first horn 2, the second horn 3, round end electrode 4, cylinder electrode 5, copper cushion block 6, the first locating piece 7, the second locating piece 8 and spring leafs 9.Wherein, two electrode stem that is arranged side by side 1 middle parts are hinged, and the set-up mode of electrode stem 1 is same as the prior art, and therefore not to repeat here.The first horn 2 is installed in the lower end of an electrode stem 1 therein, round end electrode 4 of inboard fixed installation of this first horn 2 lower ends; The second horn 3 is installed in lower end at another electrode stem 1, the inboard of the second horn 3 lower ends is installed two cylinder electrodes 5 side by side, described round end electrode 4 and two cylinder electrodes 5 are on sustained height, and round end electrode 4 equates with distance between two cylinder electrodes 5.
As shown in Figure 1 and Figure 2, be provided with copper cushion block 6 between round end electrode 4 and two cylinder electrodes 5, this copper cushion block 6 is preferably chromium pick copper product and makes.Be provided with circular groove on an end face of described copper cushion block 6, the shape size of this circular groove and round end electrode 4 adapt, and round end electrode 4 stretches into this circular groove and matches with copper cushion block 6.Be formed with two boss 6a on another end face of copper cushion block 6, these two boss 6a are corresponding one by one with two cylinder electrodes 5, and each boss 6a is facing to a cylinder electrode 5.
As shown in Figure 1 and Figure 2, be provided with the first locating piece 7 below boss 6a, this first locating piece 7 is rectangular structure, the first locating piece 7 fits with the one side of spring leaf 9 upper ends, the another side of spring leaf 9 upper ends is fitted on copper cushion block 6, and is bolted to connection between the upper end of the first locating piece 7, spring leaf 9 and copper cushion block 6 threes.Be provided with the second locating piece 8 below described the first locating piece 7, this second locating piece 8 is also rectangular structure, and has certain spacing between the second locating piece 8 and the first locating piece 7.Described the second locating piece 8 and the first locating piece 7 are positioned at the same side of spring leaf 9, and the second locating piece 8 fits with the one side of spring leaf lower end, and is fixed by bolt.
Operation principle of the present utility model is as follows:
as Fig. 3 and in conjunction with Fig. 1, shown in Figure 2, take welding of automotive filler cap inner panel as example, first filler cap 10 and inner panel 11 use fixtures 12 are had good positioning, then the second locating piece 8 is bolted on the base plate of fixture 12, adjust copper cushion block 6 to the position of required weld pads, then the first horn 2 is stretched in filler cap 10, the circular groove that round end electrode 4 is aimed on copper cushion block 6, clamp again soldering turret, round end electrode 4 and the circular groove on copper cushion block 6 are tightly fitted, soldering turret acts on arm copper cushion block 6 the first horn 2 clamped under pressure by compression motion, fit in after copper cushion block 6 is stressed on inner panel 11, and with second horn 3 is corresponding is harmonious, two cylinder electrodes, 5 compressings on the second horn 3 are on filler cap 10, after pressure process is completed, energising can be welded.Because two cylinder electrodes 5 are equidistant to the distance of round end electrode 4, make by the electric current of two electrodes even, thereby guaranteed quality of welding spot.All the other structures of the present utility model are same as the prior art, and the utility model folding rifle mode is also prior art, all do not do at this and give unnecessary details.
Claims (4)
1. spot-welded on device, two electrode stems that are arranged side by side (1) middle part is hinged, the first horn (2) is installed in the lower end of an electrode stem (1) therein, the second horn (3) is installed in the lower end of another electrode stem (1), it is characterized in that: the inboard in described the first horn (2) lower end is fixedly installed a round end electrode (4), the inboard of the second horn (3) lower end is fixed two cylinder electrodes (5) side by side, described round end electrode (4) and two cylinder electrodes (5) are on sustained height, round end electrode (4) equates with distance between two cylinder electrodes (5), and be provided with copper cushion block (6) between described round end electrode (4) and two cylinder electrodes (5).
2. spot-welded on device according to claim 1, it is characterized in that: be provided with circular groove on an end face of described copper cushion block (6), copper cushion block (6) matches with round end electrode (4) by this circular groove; Be formed with two boss (6a) on another end face of copper cushion block (6), these two boss (6a) are corresponding one by one with two cylinder electrodes (5).
3. spot-welded on device according to claim 1 and 2, it is characterized in that: described copper cushion block (6) is made by chromium pick copper product.
4. spot-welded on device according to claim 3, it is characterized in that: be provided with the first locating piece (7) on the side of described boss (6a), the below of the first locating piece (7) is provided with the second locating piece (8), described the first locating piece (7) and the second locating piece (8) are rectangular structure, the first locating piece (7) fixes by upper end and the copper cushion block (6) of bolt and spring leaf (9), and the lower end of spring leaf (9) fixes by bolt and the second locating piece (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631832 CN202943358U (en) | 2012-11-26 | 2012-11-26 | Spot welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631832 CN202943358U (en) | 2012-11-26 | 2012-11-26 | Spot welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943358U true CN202943358U (en) | 2013-05-22 |
Family
ID=48419074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220631832 Withdrawn - After Issue CN202943358U (en) | 2012-11-26 | 2012-11-26 | Spot welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202943358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962571A (en) * | 2012-11-26 | 2013-03-13 | 力帆实业(集团)股份有限公司 | Double-head separate resistance spot welding tongs |
| CN103264217A (en) * | 2013-05-24 | 2013-08-28 | 中国铁道科学研究院金属及化学研究所 | Movable type groove type rail flash welding machine |
| CN105728914A (en) * | 2014-12-11 | 2016-07-06 | 上汽通用五菱汽车股份有限公司 | Clamping and welding integrated soldering pliers |
-
2012
- 2012-11-26 CN CN 201220631832 patent/CN202943358U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962571A (en) * | 2012-11-26 | 2013-03-13 | 力帆实业(集团)股份有限公司 | Double-head separate resistance spot welding tongs |
| CN103264217A (en) * | 2013-05-24 | 2013-08-28 | 中国铁道科学研究院金属及化学研究所 | Movable type groove type rail flash welding machine |
| CN103264217B (en) * | 2013-05-24 | 2015-12-23 | 中国铁道科学研究院金属及化学研究所 | A kind of portable grooved rail flash welder |
| CN105728914A (en) * | 2014-12-11 | 2016-07-06 | 上汽通用五菱汽车股份有限公司 | Clamping and welding integrated soldering pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |