CN2767045Y - Non-equal height multiple projection welding cramping apparatus - Google Patents
Non-equal height multiple projection welding cramping apparatus Download PDFInfo
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- CN2767045Y CN2767045Y CN 200420041904 CN200420041904U CN2767045Y CN 2767045 Y CN2767045 Y CN 2767045Y CN 200420041904 CN200420041904 CN 200420041904 CN 200420041904 U CN200420041904 U CN 200420041904U CN 2767045 Y CN2767045 Y CN 2767045Y
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Abstract
The utility model discloses a non-equal height multiple projection welding clamping device, and especially discloses a welding clamping device for accomplishing non-equal height multiple welding spot projection welding at the same time. The utility model comprises a plurality of upper electrodes (4) installed on an upper electrode holder (2) and a plurality of lower electrode components corresponding to the upper electrodes (4); the height and the position of the upper electrodes (4) and lower electrode components are determined according to the shape of a main weldment (5) and the position of the projection welding spot; the main weldment (5) is positioned by a positioning block (9); the lower electrode components are fixed on a lower supporting board (17) and is fixed to an upper supporting board (10) by a positioning draw rod (12); the upper supporting board (10) is supported by a post (14) which is connected to a lower electrode tip holder (15) by screws. The utility model can accomplish the non-equal height multiple projection welding at one time; it can remarkably increase the welding production efficiency, but also limits accurate welding positions for multiple welding spots by the clamping device and can ensure the measure accuracy and the stablewelding quality of weldments.
Description
Technical field:
The utility model relates to a kind of not contour multiple projection welding anchor clamps, particularly finishes the weld jig of not contour many solder joints projection welding simultaneously.
Background technology:
In multiple projection welding, if the solder joint place at grade, then upper and lower electrode can adopt bigger plane electrode to come the disposable multiple spot welding of finishing; If solder joint not at grade, then can not adopt plane electrode to weld, adopt the method for single-point projection welding one by one in the production.
When adopting the method for single-point projection welding one by one to weld the multiple projection welding workpiece, mainly there is following shortcoming: the one, welding productivity is low, and the welding quality fluctuation is big; The 2nd, the difficult dimensional accuracy that guarantees weldment.
Summary of the invention:
Low in order to overcome the prior art welding productivity, welding quality fluctuates greatly and the deficiency of weldment low precision, and the utility model provides a kind of not contour multiple projection welding anchor clamps, utilizes this anchor clamps, can disposablely finish not contour multiple projection welding, thereby significantly improve welding production efficiency; The electrode pressure of each solder joint is adjustable, can guarantee the uniformity of solder joint pressure, and electric current evenly flows through each solder joint, thereby guarantees stable welding quality; Anchor clamps define the accurate welding position of a plurality of solder joints, so that guarantee the dimensional accuracy of weldment.
The technical solution of the utility model is: a kind of not contour multiple projection welding anchor clamps, comprise top electrode seat 2 and lower electrode holder 15, top electrode seat 2 and lower electrode holder 15 are installed in the lower surface of horn 1 on the welding machine and the upper surface of following horn 16 respectively, it is characterized in that: also comprise several top electrodes 4 that are installed on the top electrode seat 2, and several bottom electrode assemblies corresponding with top electrode 4 positions, main weldment 5 is located by locating piece 9, bottom electrode assembly is fixed on the bottom plate 17, and it is fixing with mounting plate 10 by positioning tie bar 12, mounting plate 10 is supported by column 14, and column 14 is connected with lower electrode holder 15 by screw.
Described bottom electrode assembly comprises bottom electrode 7, bottom electrode bar 8, bottom electrode lever bracket frame 19, energizing spring 20, spring carrier 21, spring positioning sleeve 13, springlock jack panel 22, bottom electrode 7 is installed in the top of bottom electrode bar 8 with taper fit, bottom electrode bar 8 is installed in the spring positioning sleeve 13 and by bottom electrode lever bracket frame 19 and supports, an energizing spring 20 is put in bottom electrode lever bracket frame 19 lower ends, energizing spring 20 is placed on the spring carrier 21, springlock jack panel 22 links to each other with spring positioning sleeve 13 by screw thread, and bottom electrode bar 8 passes locating hole on the mounting plate 10 by insulating electrode sliding sleeve 11.
Relative position according to projection welding point on described mounting plate 10, locating piece 9 and the bottom plate 17 has the bottom electrode assembly locating hole.
The center of described bottom electrode bar 8 has cooling water hole to communicate with bottom electrode 7 bottoms, and the cooling water hole bottom is communicated with cooling water inlet pipe 23, and the bottom one side design of bottom electrode bar 8 has cooling water outlet pipe 18.
Described insulating electrode sliding sleeve 11, spring carrier 21, bottom electrode lever bracket frame 19 are all made with insulating materials.
Position of positioning hole on taper locating hole on the described top electrode seat 2, the locating hole of mounting plate 10, the bottom plate 17 and quantity homogeneous one correspondence.
The beneficial effects of the utility model are, can disposablely finish not contour multiple projection welding, not only can significantly improve welding production efficiency, and because anchor clamps define the accurate welding position of a plurality of solder joints, thereby guaranteed the dimensional accuracy of weldment, because anchor clamps can be regulated the welding pressure of each solder joint at weldment, can guarantee the uniformity of solder joint pressure again, electrical current evenly flows through each solder joint, so can guarantee stable welding quality.
With reference to Fig. 2.In the practical application, respectively QD65 type and QD75E type freezer compressor housing and four spring mounting seats have been carried out projection welding.Welding productivity has improved 2 times, and the disqualification rate of weldment has dropped to 1% by original 3%.
During projection welding, the gross pressure that cylinder applies is 1600Kg, and on average the pressure that bears of each projection welding point is 400Kg.When electrode height differ than exact value ± situation of 1mm under, still can make the force value of solder joint remain between 360～440Kg welding quality stable.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is freezer compressor housing and four spring mounting seat projection welding point position views
Horn on the 1-welding machine among the figure, 2-top electrode seat, 3-cooling water hole, 4-top electrode, 5-master's weldment, the attached weldment of 6-, 7-bottom electrode, 8-bottom electrode bar, the 9-locating piece, 10-mounting plate, 11-insulating electrode sliding sleeve, 12-positioning tie bar, 13 spring positioning sleeves, 14-column, 15-lower electrode holder, horn under the 16-welding machine, the 17-bottom plate, 18--cooling water outlet pipe, 19-bottom electrode lever bracket frame, 20-energizing spring, the 12-spring carrier, 22-springlock jack panel, 23-cooling water inlet pipe
The specific embodiment:
With reference to Fig. 1.In the embodiment shown in fig. 1, this not contour multiple projection welding anchor clamps, comprise top electrode seat 2 and lower electrode holder 15, top electrode seat 2 and lower electrode holder 15 are installed in the lower surface of horn 1 on the welding machine and the upper surface of following horn 16 respectively, it is characterized in that: on top electrode seat 2, open four bellmouths respectively according to the relative position of projection welding point, and in each bellmouth, install electrode 4 respectively, open cooling water hole 3 on top electrode seat 2, cooling water hole 3 communicates with the bellmouth bottom of each top electrode 4 respectively.
Attached weldment 6 is directly by bottom electrode 7 location, bottom electrode 7 is installed in the top of bottom electrode bar 8 with taper fit, bottom electrode bar 8 is installed in the spring positioning sleeve 13 and by bottom electrode lever bracket frame 19 and supports, an energizing spring 20 is put in bottom electrode lever bracket frame 19 lower ends, energizing spring 20 is placed on the spring carrier 21, and springlock jack panel 22 links to each other with spring positioning sleeve 13 by screw thread, when regulating spring locking nut 22, spring carrier 21 moves thereupon, thereby changes the pressure of energizing spring 20.
Each electrode assemblie has independently that water-cooling channel communicates with bottom electrode 7 bottoms, and cooling water is entered by cooling water inlet pipe 23, flows out from cooling water outlet pipe 18 water receiving pipes.Each electrode assemblie is being connected on the lower electrode holder 15 with the soft copper band below the cooling water outlet pipe 18, forms conductive path.
According to the relative position of projection welding point, on mounting plate 10, locating piece 9 and bottom plate 17, drive the bottom electrode assembly locating hole, by four positioning tie bars 12 each bottom electrode assembly is fixed between mounting plate 10 and the bottom plate 17.Bottom electrode bar 8 passes locating hole on the mounting plate 10 by insulating electrode sliding sleeve 11.Connect by screw between positioning tie bar 12, mounting plate 10 and the bottom plate 17.Mounting plate 10 is supported by column 14, and column 14 is connected with lower electrode holder 15 by screw.
Insulating electrode sliding sleeve 11, spring carrier 21, bottom electrode lever bracket frame 19 are all made with insulating materials, to prevent bottom electrode bar 8 other position conduction by anchor clamps.
During welding, under the cylinder pressure effect, bottom electrode bar 8 moves down along insulating electrode sliding sleeve 11, and compression energizing spring 20 makes its shortening.When the elastic force of energizing spring 20 and upper pressure balance, 8 stop motions of bottom electrode bar.The bounce of energizing spring 20 is the welding pressure of this projection welding point at this moment.Regulating spring locking nut 22 can change the pre-shortening amount of energizing spring 20.According to the height of when welding projection welding point position, the shortening amount of corresponding adjusting energizing spring 20 can make the uniformity of welding pressure each salient point welding pressure of assurance in the scope of weld procedure specification permission at projection welding point place.In in batches welding is produced, only need once regulate and get final product.
Top electrode 4 is by four bellmouth location on the top electrode seat 2, and main weldment 5 is by locating piece 9 location, and attached weldment 6 is installed in four locating holes location passing through mounting plate 10 in the bottom electrode 7, and therefore, weldment convenient mounting and clamping before weldering is quick, and weld size is accurate; Each solder joint welding pressure is even, and electrical current evenly flows through each solder joint, and welding conditions easily support are held, and joint quality is stable.
Claims (6)
1, a kind of not contour multiple projection welding anchor clamps, comprise top electrode seat (2) and lower electrode holder (15), top electrode seat (2) and lower electrode holder (15) are installed in the lower surface of horn on the welding machine (1) and the upper surface of following horn (16) respectively, it is characterized in that: also comprise several top electrodes (4) that are installed on the top electrode seat (2), and with several corresponding bottom electrode assemblies of top electrode (4) position, main weldment (5) is located by locating piece (9), bottom electrode assembly is fixed on the bottom plate (17), and it is fixing by positioning tie bar (12) and mounting plate (10), mounting plate (10) is supported by column (14), and column (14) is connected with lower electrode holder (15) by screw.
2, not contour multiple projection welding anchor clamps according to claim 1, it is characterized in that: described bottom electrode assembly comprises bottom electrode (7), bottom electrode bar (8), bottom electrode lever bracket frame (19), energizing spring (20), spring carrier (21), spring positioning sleeve (13), springlock jack panel (22), bottom electrode (7) is installed in the top of bottom electrode bar (8) with taper fit, bottom electrode bar (8) is installed in the spring positioning sleeve (13) and by bottom electrode lever bracket frame (19) and supports, an energizing spring (20) is put in bottom electrode lever bracket frame (19) lower end, energizing spring (20) is placed on the spring carrier (21), springlock jack panel (22) links to each other with spring positioning sleeve (13) by screw thread, and bottom electrode bar (8) passes locating hole on the mounting plate (10) by insulating electrode sliding sleeve (11).
3, not contour multiple projection welding anchor clamps according to claim 1 is characterized in that: the relative position that described mounting plate (10), locating piece (9) and bottom plate (17) are gone up according to projection welding point has the bottom electrode assembly locating hole.
4, not contour multiple projection welding anchor clamps according to claim 1, it is characterized in that: the center of described bottom electrode bar (8) has cooling water hole to communicate with bottom electrode (7) bottom, the cooling water hole bottom is communicated with cooling water inlet pipe (23), and the bottom one side design of bottom electrode bar (8) has cooling water outlet pipe (18).
5, not contour multiple projection welding anchor clamps according to claim 1 and 2 is characterized in that: described insulating electrode sliding sleeve (11), spring carrier (21), bottom electrode lever bracket frame (19) are all made with insulating materials.
6, according to claim 1 or 3 described not contour multiple projection welding anchor clamps, it is characterized in that: the locating hole of the taper locating hole on the described top electrode seat (2), mounting plate (10), the position of positioning hole on the bottom plate (17) and quantity homogeneous one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041904 CN2767045Y (en) | 2004-05-12 | 2004-05-12 | Non-equal height multiple projection welding cramping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041904 CN2767045Y (en) | 2004-05-12 | 2004-05-12 | Non-equal height multiple projection welding cramping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767045Y true CN2767045Y (en) | 2006-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420041904 Expired - Fee Related CN2767045Y (en) | 2004-05-12 | 2004-05-12 | Non-equal height multiple projection welding cramping apparatus |
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| CN (1) | CN2767045Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328151A (en) * | 2011-07-27 | 2012-01-25 | 广东联塑科技实业有限公司 | Automatic spot-welding equipment for junction box and spot-welding method thereof |
| 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 |
| CN102699597A (en) * | 2012-05-30 | 2012-10-03 | 珠海格力电器股份有限公司 | Plate chain supporting die for welding U-shaped pipe |
| CN105451925A (en) * | 2013-09-29 | 2016-03-30 | 宫鹤 | Butt welding die for infrared metal honeycomb combustion plate |
| CN107627018A (en) * | 2017-10-31 | 2018-01-26 | 天津七所高科技有限公司 | It is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement |
| CN108994440A (en) * | 2018-09-27 | 2018-12-14 | 天津七所高科技有限公司 | It is a kind of can timesharing sequence weld the projection welding top electrode structures of multiple nuts |
-
2004
- 2004-05-12 CN CN 200420041904 patent/CN2767045Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328151A (en) * | 2011-07-27 | 2012-01-25 | 广东联塑科技实业有限公司 | Automatic spot-welding equipment for junction box and spot-welding method thereof |
| 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 |
| CN102699597A (en) * | 2012-05-30 | 2012-10-03 | 珠海格力电器股份有限公司 | Plate chain supporting die for welding U-shaped pipe |
| CN102699597B (en) * | 2012-05-30 | 2014-10-08 | 珠海格力电器股份有限公司 | Plate chain supporting die for welding U-shaped pipe |
| CN105451925A (en) * | 2013-09-29 | 2016-03-30 | 宫鹤 | Butt welding die for infrared metal honeycomb combustion plate |
| CN105451925B (en) * | 2013-09-29 | 2017-10-13 | 公瑞燕 | The butt-joint mould of infrared metal honeycomb burner plate |
| CN107627018A (en) * | 2017-10-31 | 2018-01-26 | 天津七所高科技有限公司 | It is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement |
| CN108994440A (en) * | 2018-09-27 | 2018-12-14 | 天津七所高科技有限公司 | It is a kind of can timesharing sequence weld the projection welding top electrode structures of multiple nuts |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |