CN102319947B - Projection welding machine for lifting lug assemblies of automotive vibration dampers - Google Patents
Projection welding machine for lifting lug assemblies of automotive vibration dampers Download PDFInfo
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- CN102319947B CN102319947B CN 201110236927 CN201110236927A CN102319947B CN 102319947 B CN102319947 B CN 102319947B CN 201110236927 CN201110236927 CN 201110236927 CN 201110236927 A CN201110236927 A CN 201110236927A CN 102319947 B CN102319947 B CN 102319947B
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- lifting lug
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Abstract
The invention discloses a projection welding machine for lifting lug assemblies of automotive vibration dampers, which comprises a bottom plate, a top plate, a lower electrode plate, guide posts, guide sleeves, a lower electrode post and a covering positioner; the guide posts are firmly mounted on the four ends of the bottom plate; the lower electrode plate is firmly connected with the center of the bottom plate through screws and nuts; the lower electrode post is firmly mounted on the lower electrode plate; a sealed taper hole is arranged under a covering positioner-mounting hole, and is provided with an inlet and an outlet for cooling water; the covering positioner is of a hollow structure, and is mounted in the covering positioner-mounting hole of the lower electrode post; a lower electrode tip is arranged in the covering positioner; retainer rings are connected with the guide posts through screws; the top plate is connected with the guide sleeves through socket cap screws and then arranged on the four guide posts, and is positioned under the retainer rings; a hoisting ring positioner is arranged on the top plate; and an insulating board is arranged on the bottom of the bottom plate. The adoption of the projection welding machine can increase the product percent of pass, reduce the loss cost and increase the working efficiency.
Description
Technical field
The invention belongs to the electric resistance welding equipment technical field, be specifically related to a kind of projection welding machine for lifting lug assemblies of automotive vibration dampers.
Background technology
The automobile vibration damper lifting lug assembly is shock absorber and vehicle body connector, mainly contains the requirement of intensity and size two aspects.The automobile vibration damper lifting lug assembly is to be welded by hanger and capping, Shackle assembly require hanger with respect to the symmetry of seal cover axis below 0.5mm.Traditional handicraft is to complete welding by the hand steered workpiece of holding, and Main Problems is:
1, after the welding, the requirement of symmetry is difficult to guarantee;
2, there are a lot of potential safety hazards in work;
3, after welding is completed, workpiece is difficult for taking off;
4, the bottom electrode wearing and tearing are frequent, and the equipment loss cost is high;
5, replacement of products, adjustment time are long, and every replacing once needs 20 ~ 30 minutes.
These problems have had a strong impact on operating efficiency and product quality.
Summary of the invention
The technical problem to be solved in the present invention is to provide projection welding machine for lifting lug assemblies of automotive vibration dampers, to improve the qualification rate of Shackle assembly assembly, increases work efficiency, and reduces the equipment loss cost; Simultaneously, the potential safety hazard that exists in minimizing work.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of projection welding machine for lifting lug assemblies of automotive vibration dampers comprises base plate, upper plate, lower electrode plate, insulation board; It is characterized in that:
Described base plate comprises guide pillar, spring, guide pin bushing; Described guide pillar is fixedly mounted on four ends of base plate; Be provided with spring on described guide pillar;
Described lower electrode plate is fixedly connected with on the center of base plate by screw, nut; Described lower electrode plate comprises bottom electrode post, capping keeper and big nut; Described bottom electrode post is fixedly mounted on lower electrode plate; Described bottom electrode post upper end is provided with capping keeper installing hole; The below of described capping keeper installing hole is a sealing taper hole, and is provided with import and the outlet of cooling water on the sealing taper hole; On the sealing taper hole that described bottom electrode post arranges and sealing taper hole the cooling recirculation system of cooling water inlet and outlet formed automobile shock absorber hanger assembly convex welding device; Described big nut matches with the capping keeper; Described capping keeper is hollow structure, is arranged in the capping keeper installing hole of bottom electrode post; Be provided with lower electrode tip in described capping keeper;
Described back-up ring is connected with guide pillar by screw; Described upper plate is connected with guide pin bushing by soket head cap screw and is placed on four guide pillars, and is positioned at the below of back-up ring, the top of spring; Described upper plate is provided with the suspension ring keeper.
Described floor below is provided with insulation board.
The top of described upper plate is provided with the top electrode device.
Be provided with plain washer between described lower electrode plate and nut.
Described bottom electrode post is connected with the bottom electrode control system.
Described screw bottom is provided with insulation sleeve and insulating washer, and insulating washer is positioned at the below of insulation sleeve.
Described upper plate is provided with U-shaped opening.
Described suspension ring keeper is connected with upper plate by screw, and the suspension ring keeper arranges an opening, and the direction of the U-shaped opening that the direction of this opening and upper plate arrange is consistent, and the length of the opening that arranges of suspension ring keeper is less than the diameter of hanger, and width is greater than the height of hanger.
The axis of described suspension ring keeper, capping keeper, bottom electrode post is overlapping.
Adopt this projection welding machine for lifting lug assemblies of automotive vibration dampers, have following beneficial effect:
1, the dead in line of capping keeper, suspension ring keeper, guarantee hanger with respect to the symmetry of capping axis below 0.5mm, improved the qualification rate of product; And when changing workpiece, need not to consider to aim at, shortened the working time, improved operating efficiency;
2, lower electrode plate adopts multicompartment to install, the just electrode tip that loss is serious, and change conveniently, reduced the equipment loss cost, improved operating efficiency;
3, this projection welding machine for lifting lug assemblies of automotive vibration dampers many places arrange felt pad and insulation sleeve, and welding process need not manual intervention, have reduced potential safety hazard;
4, the cooling recirculation system of this projection welding machine for lifting lug assemblies of automotive vibration dampers setting has reduced the heat that has produced because electric current is excessive when welding, thereby has reduced the loss of workpiece, has reduced the equipment loss cost;
5, this projection welding machine for lifting lug assemblies of automotive vibration dampers also has the advantages such as simple in structure, easy to use, is adapted at the vehicle shock absorber technical field and is widely used.
Description of drawings
Fig. 1 is the structural representation of projection welding machine for lifting lug assemblies of automotive vibration dampers;
Fig. 2 is the front view of upper plate.
Wherein, 1, base plate; 2, guide pillar; 3, spring; 4, guide pin bushing; 5, upper plate; 6, back-up ring; 7, suspension ring keeper; 8, lower electrode plate; 9, bottom electrode post; 10, capping keeper; 11, big nut; 12, screw; 13, insulation board; 14, insulation sleeve; 15, insulating washer; 16, nut; 17, plain washer.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figures 1 and 2, this projection welding machine for lifting lug assemblies of automotive vibration dampers comprises base plate 1, upper plate 5, lower electrode plate 8, insulation board 13.
Base plate 1 comprises guide pillar 2, spring 3, guide pin bushing 4; Guide pillar 2 is fixedly mounted on four ends of base plate 1; Be provided with spring 3 on guide pillar 2.
Lower electrode plate 8 is fixedly connected with on the center of base plate 1 by screw 12, nut 16; Lower electrode plate 8 comprises bottom electrode post 9, capping keeper 10 and big nut 11; Bottom electrode post 9 is fixedly mounted on lower electrode plate 8; Bottom electrode post 9 upper ends are provided with capping keeper installing hole; The below of capping keeper installing hole is a sealing taper hole, and is provided with import and the outlet of cooling water on the sealing taper hole; On the sealing taper hole that bottom electrode post 9 arranges and sealing taper hole the cooling recirculation system of cooling water inlet and outlet formed automobile shock absorber hanger assembly convex welding device; Described big nut 11 matches with capping keeper 10; Capping keeper 10 is hollow structure, is arranged in the capping keeper installing hole of bottom electrode post 9; Be provided with lower electrode tip in capping keeper 10.
Described back-up ring 6 is connected with guide pillar 2 by screw; Described upper plate 5 is connected with guide pin bushing 4 by soket head cap screw and is placed on four guide pillars 2, and is positioned at the below of back-up ring 6, the top of spring 3; Back-up ring 6 plays spacing effect, can limit the displacement that guide pin bushing 4 and upper plate 5 move up; Guide pin bushing 4 can guarantee the welding process motion steadily, high conformity; Upper plate 5 is provided with suspension ring keeper 7.
Base plate 1 below is provided with insulation board 13, prevent the welding process shunting, and piece surface wounds.The top of upper plate 5 is provided with the top electrode device.Be provided with plain washer 17 between lower electrode plate 8 and nut 16.Bottom electrode post 9 is connected with the bottom electrode control system.Screw 12 bottoms are provided with insulation sleeve 14 and insulating washer 15, and insulating washer 15 is positioned at the below of insulation sleeve 14.
The bottom of the capping keeper installing hole that bottom electrode post 9 arranges and sealing taper hole compression fit, cooling water can be at utmost near capping, and cooling effect is good.
Big nut 11 is set on capping keeper 10 10 dismountings of capping keeper are more prone to, change convenient.
During use, seal cover is placed on capping keeper 10, hanger is fixed on suspension ring keeper 7 by the opening that suspension ring keeper 7 arranges.Start the atmospheric control of top electrode device, top electrode moves down, under the effect of top electrode, drive guide pin bushing 4 and upper plate 5 and move down, to hanger contact seal cover top, start the bottom electrode control system, the beginning projection welding, after projection welding was completed, hanger and seal cover formed Shackle assembly; Under the atmospheric control effect of top electrode device, move on top electrode, guide pin bushing 4 and upper plate 5 reset under the effect of the spring 3 that guide pillar 2 arranges, and Shackle assembly leaves bottom electrode with upper plate 5, takes off Shackle assembly, and changes next group hanger and seal cover.
It is to be noted; it is only below the preferred embodiment of the present invention; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. a projection welding machine for lifting lug assemblies of automotive vibration dampers, comprise base plate (1), upper plate (5), lower electrode plate (8), insulation board (13); It is characterized in that:
Described base plate (1) comprises guide pillar (2), spring (3), guide pin bushing (4); Described guide pillar (2) is fixedly mounted on four ends of base plate (1); Be provided with spring (3) on described guide pillar (2);
Described lower electrode plate (8) is fixedly connected with on the center of base plate (1) by screw one (12), nut (16); Described lower electrode plate (8) comprises bottom electrode post (9), capping keeper (10) and big nut (11); Described bottom electrode post (9) is fixedly mounted on lower electrode plate (8); Described bottom electrode post (9) upper end is provided with capping keeper installing hole; The below of described capping keeper installing hole is a sealing taper hole, and is provided with import and the outlet of cooling water on the sealing taper hole; Cooling water inlet on the sealing taper hole that described bottom electrode post (9) arranges and sealing taper hole and the cooling recirculation system that exports formed automobile shock absorber hanger assembly convex welding device; Described big nut (11) matches with capping keeper (10); Described capping keeper (10) is hollow structure, is arranged in the capping keeper installing hole of bottom electrode post (9); Be provided with lower electrode tip in described capping keeper (10);
Back-up ring (6) is connected with guide pillar (2) by screw two; Described upper plate (5) is connected with guide pin bushing (4) by soket head cap screw and is placed on four guide pillars (2), and is positioned at the below of back-up ring (6), the top of spring (3); Described upper plate (5) is provided with suspension ring keeper (7).
2. according to projection welding machine for lifting lug assemblies of automotive vibration dampers claimed in claim 1, it is characterized in that: be provided with insulation board (13) below described base plate (1).
3. according to projection welding machine for lifting lug assemblies of automotive vibration dampers claimed in claim 1, it is characterized in that: the top of described upper plate (5) is provided with the top electrode device.
4. according to projection welding machine for lifting lug assemblies of automotive vibration dampers claimed in claim 1, it is characterized in that: be provided with plain washer (17) between described lower electrode plate (8) and nut (16).
5. according to projection welding machine for lifting lug assemblies of automotive vibration dampers claimed in claim 1, it is characterized in that: described bottom electrode post (9) is connected with the bottom electrode control system.
6. according to projection welding machine for lifting lug assemblies of automotive vibration dampers claimed in claim 1, it is characterized in that: described screw one (12) bottom is provided with insulation sleeve (14) and insulating washer (15), and insulating washer (15) is positioned at the below of insulation sleeve (14).
7. according to the described projection welding machine for lifting lug assemblies of automotive vibration dampers of claim 1 or 3, it is characterized in that: described upper plate (5) is provided with U-shaped opening.
8. according to projection welding machine for lifting lug assemblies of automotive vibration dampers claimed in claim 1, it is characterized in that: described suspension ring keeper (7) is connected with upper plate by screw, suspension ring keeper (7) arranges an opening, the direction of this opening is consistent with the direction of the U-shaped opening that upper plate (5) arranges, and the length of the opening that suspension ring keeper (7) arranges is less than the diameter of hanger, and width is greater than the height of hanger.
9. according to claim 1,5 or 8 described projection welding machine for lifting lug assemblies of automotive vibration dampers, it is characterized in that: the dead in line of described suspension ring keeper (7), capping keeper (10), bottom electrode post (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110236927 CN102319947B (en) | 2011-08-17 | 2011-08-17 | Projection welding machine for lifting lug assemblies of automotive vibration dampers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110236927 CN102319947B (en) | 2011-08-17 | 2011-08-17 | Projection welding machine for lifting lug assemblies of automotive vibration dampers |
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| CN102319947A CN102319947A (en) | 2012-01-18 |
| CN102319947B true CN102319947B (en) | 2013-06-05 |
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| CN 201110236927 Active CN102319947B (en) | 2011-08-17 | 2011-08-17 | Projection welding machine for lifting lug assemblies of automotive vibration dampers |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018030A (en) * | 2012-12-14 | 2013-04-03 | 中国重汽集团济南动力有限公司 | Clamp for testing devices of absorbers |
| CN104057196A (en) * | 2013-03-22 | 2014-09-24 | 上海众源燃油分配器制造有限公司 | Welding device for fuel injector bases |
| CN103350275A (en) * | 2013-06-08 | 2013-10-16 | 天津天德减震器有限公司 | Spot welding equipment for hanging ring of telescopic shock absorber |
| CN104999171B (en) * | 2015-07-02 | 2017-03-01 | 雄华机械(苏州)有限公司 | A kind of glidepath and the welding equipment of bolt |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107102A1 (en) * | 1982-09-29 | 1984-05-02 | Rwc Inc. | Apparatus and methods for supplying gas under pressure to weldable shock absorber casings having an opening pierced therein, and like products, and weld-sealing the opening |
| CN1104574A (en) * | 1994-10-18 | 1995-07-05 | 李振义 | Horizental welder and process for welding motor vehicle dampers |
| CN2855619Y (en) * | 2006-01-05 | 2007-01-10 | 刘冬山 | Shock-damper reparing and end-sealing device for vehicles |
| CN201711666U (en) * | 2010-07-15 | 2011-01-19 | 南阳淅减汽车减振器有限公司 | Fixture for opposite welding of vibration damper |
| CN201871869U (en) * | 2010-11-23 | 2011-06-22 | 佛山市顺德乐星金属制品有限公司 | Welding fixture for butt welding of automobile shock absorber mounting base body and accessory convex point |
| CN202240135U (en) * | 2011-08-17 | 2012-05-30 | 成都九鼎科技(集团)有限公司 | Projection welding device for lifting lug assembly of automobile shock absorber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060105102A (en) * | 2005-04-01 | 2006-10-11 | 주식회사 만도 | Projection welding machine for manufacturing a shock absorber |
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2011
- 2011-08-17 CN CN 201110236927 patent/CN102319947B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107102A1 (en) * | 1982-09-29 | 1984-05-02 | Rwc Inc. | Apparatus and methods for supplying gas under pressure to weldable shock absorber casings having an opening pierced therein, and like products, and weld-sealing the opening |
| CN1104574A (en) * | 1994-10-18 | 1995-07-05 | 李振义 | Horizental welder and process for welding motor vehicle dampers |
| CN2855619Y (en) * | 2006-01-05 | 2007-01-10 | 刘冬山 | Shock-damper reparing and end-sealing device for vehicles |
| CN201711666U (en) * | 2010-07-15 | 2011-01-19 | 南阳淅减汽车减振器有限公司 | Fixture for opposite welding of vibration damper |
| CN201871869U (en) * | 2010-11-23 | 2011-06-22 | 佛山市顺德乐星金属制品有限公司 | Welding fixture for butt welding of automobile shock absorber mounting base body and accessory convex point |
| CN202240135U (en) * | 2011-08-17 | 2012-05-30 | 成都九鼎科技(集团)有限公司 | Projection welding device for lifting lug assembly of automobile shock absorber |
Non-Patent Citations (1)
| Title |
|---|
| EPEP0107102A1A1 1984.05.02 |
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| CN102319947A (en) | 2012-01-18 |
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