CN104625507B - A kind of outward appearance Welding spot protective device - Google Patents
A kind of outward appearance Welding spot protective device Download PDFInfo
- Publication number
- CN104625507B CN104625507B CN201510000809.9A CN201510000809A CN104625507B CN 104625507 B CN104625507 B CN 104625507B CN 201510000809 A CN201510000809 A CN 201510000809A CN 104625507 B CN104625507 B CN 104625507B
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- CN
- China
- Prior art keywords
- copper packing
- connecting plate
- panel beating
- protection copper
- supporting seat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/321—Protecting means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The present invention proposes a kind of outward appearance Welding spot protective device, comprises protection copper packing, connecting plate, band spring guide finger and supporting seat.Described protection copper packing is a few font, and end face is the panel beating contact surface of fitting with panel beating profile, and the bottom surface corresponding with end face is soldering turret electrode contact surface, and described soldering turret electrode contact surface is close with panel beating profile; Protection copper packing two ends are connected by being with spring guide finger with connecting plate; Connecting plate is the door type structure kept flat; the both sides of gate are connected with protection copper packing two ends, and centre reserves soldering turret and dodges passage, and the door top margin of connecting plate is connected with supporting seat; supporting seat there is the fastening bolt be connected and fixed with fixture be connected via hole, for whole device is fixed to fixture.The present invention is preferentially contacted with protection copper packing by protected face one lateral electrode, and protection copper packing directly contacts with panel beating again.Because protection copper packing and panel beating contact area are far longer than electrode and panel beating contact area, so pressure is able to good dispersion, thus ensure that solder joint is non-warping, weld indentation meets appearance requirement.
Description
Technical field
The present invention is applicable to the protection of automobile appearance solder joint, is a kind of device preventing outward appearance solder joint from occurring the defect such as distortion, impression.
Background technology
The exposed solder joint that plates of automobile outer surface exists is referred to as outward appearance solder joint.These solder joint place faces are divided into plane; part is curved surface; when not increasing solder joint safeguard measure; high pressure is brought because plates of automobile is subject to welding electrode impact during welding; electrode and panel beating contact area less, the pressure that panel beating protected unit are is subject to is comparatively large, causes spot area stress to concentrate; usually there is the defects such as solder joint distortion is excessive, impression is partially dark, can not appearance requirement be met.Therefore, usually need to increase solder joint operator guards or device.Existing Welding spot protective device is normally arranged on the cage construction on soldering turret electrode tip, this structure butt welding point can play certain protective effect, but still have problems: problem 1, the copper coin profile that Welding spot protective device mates with panel beating is single, cannot meet the protection of the solder joint to different profile; Problem 2, in manufacturing process, electrode tip needs real-time polishing, reparation, replacing, but adopts this spline structure to cover electrode tip, brings many difficulties to electrodes maintenance.Problem 3, effective welding space at a lot of outward appearance solder joint place is less, and compare electrode tip welding requisite space, existing cage protective device needs larger effective welding space.
Summary of the invention
For effectively avoiding above problem, the present invention proposes a kind of outward appearance solder joint device preventing the distortion of body in white outward appearance solder joint, can be used for face bonding point protection, the protection of curved surface solder joint, possesses the characteristics such as with low cost, precision is high, easy to use, durability degree is high.
Technical scheme of the present invention is as follows:
A kind of outward appearance Welding spot protective device, it comprises protection copper packing, connecting plate, band spring guide finger and supporting seat.Described protection copper packing is a few font, and end face is the panel beating contact surface of fitting with panel beating profile, and the bottom surface corresponding with end face is soldering turret electrode contact surface, and described soldering turret electrode contact surface is close with panel beating profile; Protection copper packing two ends are connected by being with spring guide finger with connecting plate; Connecting plate is the door type structure kept flat; the both sides of gate are connected with protection copper packing two ends, and centre reserves soldering turret and dodges passage, and the door top margin of connecting plate is connected with supporting seat; supporting seat there is the fastening bolt be connected and fixed with fixture be connected via hole, for whole device is fixed to fixture.
The principle of the invention realizes pressure dissipation by increasing welding contact area, thus improve quality of welding spot.Be exactly that protected face one lateral electrode preferentially contacts with protection copper packing specifically, protection copper packing directly contacts with panel beating again.Because protection copper packing and panel beating contact area are far longer than electrode and panel beating contact area, so pressure is able to good dispersion, thus ensure that solder joint is non-warping, weld indentation meets appearance requirement.
This Welding spot protective device is fixed on fixture, protection copper packing conforms to the profile data of panel beating binding face, can be good at ensureing application of a surface degree, copper coin and panel beating profile one_to_one corresponding can be realized, this kind of structure is not only applicable to the protection of planar appearance solder joint, is applicable to the protection of complex-curved outward appearance solder joint simultaneously; Because copper coin is fixed with the relative position welding panel beating, required welding space is only electrode tip requisite space, reduces the requirement to product structure; Electrode tip is separated with Welding spot protective device, is convenient to the maintenance of electrode tip and Welding spot protective device.
Visible, it is high that this structure has durability degree, and maintenance is little with replacement frequency, precision high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is protection copper packing structural representation
Fig. 3 is connecting board structure schematic diagram
Fig. 4 is band spring guide finger structural representation
Fig. 5 is clamping support schematic diagram
Fig. 6 is working state schematic representation.
In figure, 1-protects copper packing, 2-connecting plate, 3-to be with spring guide finger, 4-supporting seat, 11-guide pin hole, 12-panel beating contact surface, 13-soldering turret electrode contact surface, 21-guide pin hole, 22-dowel hole, 23-fastening bolt screwed hole, 24-soldering turret to dodge passage, 31-guide finger, 32-spring, 33-spacing shim, the spacing bearing pin of 34-, 41-dowel hole, 42-fastening bolt connection via hole, the connection of 43-fastening bolt via hole, 44-dowel hole, 5-soldering turret electrode, 6-copper packing, 7-panel beating.
Detailed description of the invention
Structure of the present invention is further illustrated below in conjunction with accompanying drawing:
See Fig. 1, the present invention forms by protecting copper packing 1, connecting plate 2, band spring guide finger 3 and supporting seat 4.
See Fig. 2; protection copper packing 1 material chromium zirconium copper (CuCrZr); shape is a few font; end face is the panel beating contact surface 12 of fitting with panel beating profile; the bottom surface corresponding with end face is soldering turret electrode contact surface 13; panel beating contact surface 12 requires to be processed into conform to panel beating profile data, and soldering turret electrode contact surface 13 requires close with panel beating profile profile, prevents soldering turret electrode from sliding.The two ends of protection copper packing 1 have guide pin hole 11 respectively.
See Fig. 3; the material of connecting plate 2 is steel; profile design is considered to be needed to stop for soldering turret electrode to dodge passage; therefore the door type structure kept flat is designed to; there is guide pin hole 21 on the both sides of gate; be connected with protection copper packing 1 two ends by band spring guide finger 3, centre has reserved soldering turret and has dodged passage 24.The door top margin of connecting plate 2 has the dowel hole 22 and fastening bolt screwed hole 23 that are connected with supporting seat 4.
See Fig. 4; design with spring guiding 4 is to promote to protect being close to of copper packing 1 and panel beating; and play guiding, connection function; it is made up of spring 32 and guide finger 31 two parts; guide finger 31, through the guide pin hole 11 on protection copper packing 1 and the guide pin hole 21 on connecting plate 2, puts spring 32, and spacing shim 33 and spacing bearing pin 34 is housed in lower end; spring 32 upper end withstands on connecting plate 2, and lower end is undertaken spacing by spacing shim 33 and spacing bearing pin 34.
See Fig. 5, the material of supporting seat 4 is steel, it is the transition bindiny mechanism comprising copper packing and fixture, for whole device is fixed to fixture, connected and composed by two " 7 " fonts on transverse plane and in vertical plane, the minor face of " 7 " word of transverse plane is used for being connected with connecting plate 2, it there is dowel hole 41 be connected via hole 42 with fastening bolt, " 7 " word of vertical plane is used for being connected with fixture, it also there is fastening bolt connect via hole 43 and dowel hole 44, accurately located on fixture by dowel hole 44, connect via hole 43 with bolt by two fastening bolts supporting seat is connected with fixture, fastening.
See Fig. 6; adopt this device; preferentially contact with protection copper packing 1 at protected side soldering turret electrode 5; protection copper packing 1 directly contacts with panel beating 7 again; because protection copper packing 1 is far longer than soldering turret electrode and panel beating contact area with panel beating 7 contact area; so pressure is able to good dispersion, thus ensure that solder joint is non-warping, weld indentation meets appearance requirement.
Claims (3)
1. an outward appearance Welding spot protective device, is characterized in that, comprises protection copper packing (1), connecting plate (2), band spring guide finger (3) and supporting seat (4); Described protection copper packing (1) is a few font, and end face is the panel beating contact surface (12) of fitting with panel beating profile, and the bottom surface corresponding with end face is soldering turret electrode contact surface (13), and described soldering turret electrode contact surface (13) is close with panel beating profile forms; Protection copper packing (1) two ends and connecting plate (2) are by being with spring guide finger (3) to be connected; Connecting plate (2) door type structure for keeping flat, the both sides of gate are connected with protection copper packing (1) two ends, centre reserves soldering turret and dodges passage, the door top margin of connecting plate (2) is connected with supporting seat (4), supporting seat (4) there is the fastening bolt be connected and fixed with fixture be connected via hole (43), for whole device is fixed to fixture;
Described band spring guide finger (3) is made up of guide finger (31), spring (32), spacing shim (33) and spacing bearing pin (34); guide finger (31) is through the guide pin hole (11) in protection copper packing (1) and the guide pin hole (21) on connecting plate (2); put spring (32); and spacing shim (33) and spacing bearing pin (34) are housed in lower end; spring (32) upper end withstands on connecting plate (2), and lower end is undertaken spacing by spacing shim (33) and spacing bearing pin (34).
2. outward appearance Welding spot protective device according to claim 1; it is characterized in that; described supporting seat (4) is connected and composed by two " 7 " fonts of transverse plane and vertical plane; the minor face of " 7 " word of transverse plane is connected with connecting plate (2); it there is dowel hole (41) be connected via hole (42) with fastening bolt; " 7 " word of vertical plane is used for being connected with fixture, it also has fastening bolt connect via hole (43) and dowel hole (44).
3. outward appearance Welding spot protective device according to claim 1, is characterized in that, described protection copper packing material chromium zirconium copper CuCrZr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000809.9A CN104625507B (en) | 2015-01-04 | 2015-01-04 | A kind of outward appearance Welding spot protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000809.9A CN104625507B (en) | 2015-01-04 | 2015-01-04 | A kind of outward appearance Welding spot protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625507A CN104625507A (en) | 2015-05-20 |
| CN104625507B true CN104625507B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510000809.9A Active CN104625507B (en) | 2015-01-04 | 2015-01-04 | A kind of outward appearance Welding spot protective device |
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| CN (1) | CN104625507B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670698A (en) * | 2016-12-29 | 2017-05-17 | 安徽瑞祥工业有限公司 | Welding device for welding of appearance face of car body |
| CN107081511B (en) * | 2017-04-01 | 2019-05-10 | 昆明理工大学 | One kind being suitable for electrode grease head highness resistance spot welding fixture |
| CN109014747A (en) * | 2018-10-23 | 2018-12-18 | 东风(武汉)实业有限公司 | A kind of anti-burr welding fixture |
| CN110293355B (en) * | 2019-06-25 | 2021-03-30 | 合肥创智汽车技术开发有限公司 | Improve welding copper plate structure of automobile body outward appearance solder joint quality |
| CN111299938A (en) * | 2019-12-11 | 2020-06-19 | 芜湖普威技研有限公司 | Spot welding copper auxiliary fixture |
| CN114799444A (en) * | 2022-04-27 | 2022-07-29 | 东风商用车有限公司 | Buffering device for improving depression of spot welding part of copper plate and assembling method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD249656A1 (en) * | 1985-07-10 | 1987-09-16 | Erfurt Electronic | COLLISION PROTECTION DEVICE ON POINT WELDING MACHINES |
| CN201702519U (en) * | 2010-01-28 | 2011-01-12 | 珠海格力电器股份有限公司 | Solder joint protection device |
| CN201783753U (en) * | 2010-08-04 | 2011-04-06 | 奇瑞汽车股份有限公司 | Welding spot-distortion-preventing device |
| CN102366855B (en) * | 2011-10-18 | 2015-04-29 | 奇瑞汽车股份有限公司 | Welding spot protective device |
| CN203292687U (en) * | 2013-05-14 | 2013-11-20 | 奇瑞汽车股份有限公司 | Auxiliary structure improving quality of exposed welding spots of vehicle body |
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2015
- 2015-01-04 CN CN201510000809.9A patent/CN104625507B/en active Active
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| CN104625507A (en) | 2015-05-20 |
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