CN112296510B - Positioning welding clamp for outer plate of back door - Google Patents
Positioning welding clamp for outer plate of back door Download PDFInfo
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- CN112296510B CN112296510B CN202011190562.9A CN202011190562A CN112296510B CN 112296510 B CN112296510 B CN 112296510B CN 202011190562 A CN202011190562 A CN 202011190562A CN 112296510 B CN112296510 B CN 112296510B
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- Prior art keywords
- profiling
- back door
- outer plate
- block
- door outer
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a positioning welding clamp for a back door outer plate, which is characterized in that: the profiling pressing mechanism is matched with the upper end face of the back door outer plate frame in a profiling mode, the profiling pressing mechanism comprises a supporting profile block which is supported below the back door outer plate and a profiling pressing block which is matched with the supporting profile block to press the back door outer plate, and a heat dissipation mechanism is arranged on the supporting profile block. The positioning welding clamp for the back door outer plate can be stably compressed and positioned, has a good heat dissipation effect, effectively prevents the plate from welding deformation, and has a good application prospect.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a positioning welding clamp for an outer plate of a back door.
Background
In the prior art, automobiles enter ordinary families, people have higher and higher requirements on the appearance of the automobiles, an outer plate of a rear back door of an SUV (sports utility vehicle) is generally composed of an upper section and a lower section, and is mainly connected by spot welding at present, and the spot welding of the connection mode of partial plates can not be realized along with the modeling reason, and only laser welding can be selected. The spot welding between the outer plates of the back door has the advantages that the spot welding technology is mature, the welding cannot cause quality problems to the outer plates, and the investment is low; the design of the outer plate has certain requirements and limitations; the laser welding between the outer plates of the back door has the advantages of high efficiency, low requirement on appearance design and firm connection; the welding process generates a large amount of heat which has great influence on the quality of the outer plate and is mainly concentrated on causing the deformation of the outer plate.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a positioning welding clamp for a back door outer plate, which can be used for stably compressing and positioning, has a good heat dissipation effect and effectively prevents the plate from welding deformation.
In order to achieve the purpose, the invention adopts the technical scheme that: this kind of back door outer plate positioning welding dress anchor clamps that provide, its characterized in that: the profiling pressing mechanism is matched with the upper end face of the back door outer plate frame in a profiling mode, the profiling pressing mechanism comprises a supporting profile block which is supported below the back door outer plate and a profiling pressing block which is matched with the supporting profile block to press the back door outer plate, and a heat dissipation mechanism is arranged on the supporting profile block.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the support profile modeling piece includes the profile modeling supporting shoe body, the profile modeling supporting shoe body by the concatenation of multiunit profile modeling piece form with the profile modeling structure of back door outer panel internal wall laminating.
The heat dissipation mechanism comprises a plurality of heat dissipation holes formed in the profiling supporting block body, and air pipe connectors communicated with the heat dissipation holes are formed in the side edge of the profiling supporting block body.
And a plurality of positioning suckers for auxiliary positioning are further arranged on the profiling supporting block body.
A plate sensing sensor is arranged on the side edge of the profiling supporting block body, and a guide block is arranged at one end of the profiling supporting block body.
Two ends of the supporting profile block are provided with two sets of symmetrically arranged profile pressing blocks, and the end parts of the side edges of the profile pressing blocks are rotatably connected to the welding fixture through a rotating shaft of a pressing arm.
The end part of the profiling material pressing block is connected with the telescopic rod end of the profiling material pressing cylinder.
The profiling material pressing block comprises a profiling material pressing arm and a plurality of material pressing block bodies connected below the profiling material pressing arm, and the material pressing block bodies are matched with the supporting profiling block.
The welding fixture further comprises a positioning fixture which is pressed and positioned at the lower end of the back door outer plate and the edge of the back window glass.
An edge material pressing mechanism is arranged at the edge of the upper end of the back door outer plate.
Compared with the prior art, the invention has the following advantages: the positioning welding clamp for the back door outer plate can be stably compressed and positioned, has a good heat dissipation effect, effectively prevents the plate from welding deformation, and has a good application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic view of a positioning welding fixture for an outer plate of a back door according to the present invention;
FIG. 2 is a schematic structural view of a profiling swaging mechanism of the invention;
FIG. 3 is a schematic view of the structure of the support contour block of the present invention;
FIG. 4 is a schematic view of a profiling swaging block according to the present invention;
FIG. 5 is a schematic view of the back door outer plate clamping structure of the present invention
Labeled as: 100. the back door comprises a back door outer plate 200, a positioning clamp 300, a profiling material pressing mechanism 310, a profiling material pressing cylinder 320, a profiling material pressing block 321, a profiling material pressing arm 322, a material pressing block body 330, a material pressing arm rotating shaft 340, a supporting profiling block 341, a profiling supporting block body 342, a heat dissipation hole 343, a positioning suction cup 344, an air pipe joint 345, a plate sensing sensor 346, a guide block 400 and an edge material pressing mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The positioning welding clamp for the back door outer plate comprises a profiling material pressing mechanism 300 which is in profiling fit with the upper end face of a frame of the back door outer plate 100, wherein the profiling material pressing mechanism 300 comprises a supporting profiling block 340 which is supported below the back door outer plate 100 and a profiling material pressing block 320 which is matched with the supporting profiling block 340 to press the back door outer plate 100, and a heat dissipation mechanism is arranged on the supporting profiling block 340, as shown in figures 1, 2, 3, 4 and 5. In the assembling and welding process of the back door outer plate, the welding fixture adopts a profile modeling pressing principle for welding positions which are easy to deform through profile modeling edge pressing design, so that the positioning accuracy is improved, the welding deformation is placed, and the product quality is improved.
In the invention, as shown in fig. 3, the supporting profile blocks 340 comprise profile supporting block bodies 341, and the profile supporting block bodies 341 are spliced by a plurality of groups of profile blocks to form a profile structure attached to the inner wall surface of the tailgate outer plate 100. The accurate positioning of the back door outer plate is realized by matching with the profiling material pressing block 320.
In the present invention, the heat dissipation mechanism includes a plurality of heat dissipation holes 342 formed in the profiling supporting block body 341, and an air pipe connector 344 communicated with the heat dissipation holes 342 is formed at a side of the profiling supporting block body 341. The louvre 342 can be designed into a waist-shaped structure, the air pipe joint 344 at the welding position can be connected to an external air source in the welding process, the ventilation and the heat dissipation are performed in the welding process, the louvre 342 is arranged on the profiling supporting block body 341, the air can directly cool the plate, and the effect is better.
In the invention, as shown in fig. 3, a plurality of positioning suction cups 343 for auxiliary positioning are further arranged on the profiling supporting block body 341, so that stable positioning is further ensured under the action of ventilation air pressure, and a high-quality welding process is ensured.
In the invention, a plate sensing sensor 345 is arranged on the side edge of the profiling supporting block body 341 and is connected to a controller, welding is carried out after the plate to be welded is detected to be installed in place, so that safe operation is ensured, and a guide block 346 is arranged at one end of the profiling supporting block body 341 to assist in placing the plate and ensure that the plate is placed in place.
In the invention, two groups of symmetrically arranged profiling swaging blocks 320 are arranged at two ends of the supporting profiling block 340. The end part of the side edge of the profiling material pressing block 320 is rotatably connected to the welding fixture through a material pressing arm rotating shaft 330. After the plate to be welded is placed on the supporting profile block 340, the profiling material pressing block 320 rotates from two sides to the middle part and is pressed on the supporting profile block 340, so that the welding operation is facilitated, and meanwhile, the pressing stability is ensured.
In the invention, the end part of the profiling material pressing block 320 is connected with the telescopic rod end of the profiling material pressing cylinder 310. The profiling pressing cylinder 310 is controlled to drive the profiling pressing block 320 to rotate around the pressing arm rotating shaft 330 to open and close and press on the supporting profiling block 340, and the operation route is shown in fig. 5.
In the invention, as shown in fig. 4, the profiling swaging block 320 comprises a profiling swaging arm 321 and a plurality of swaging block bodies 322 connected below the profiling swaging arm 321, and the swaging block bodies 322 are matched with the supporting profiling block. The back door outer plate difficult to integrally form is formed in a welding mode through partitioning, the material pressing block body 322 and the profiling supporting block body 341 are formed by splicing multiple blocks, manufacturing and forming are convenient, and profiling accuracy is high.
In the present invention, as shown in fig. 1 and 5, the welding jig further includes a positioning jig 200 which is positioned by being pressed against the lower end of the back door outer panel and the edge of the rear window glass. The positioning fixture adopts a common rotary positioning fixture, corresponding clamping blocks are arranged on the upper end face and the lower end face of the plate through the cylinder, and the positioning fixture 200 is arranged at a proper position of the outer plate of the back door to ensure stable positioning and clamping.
In the present invention, as shown in fig. 1 and 5, an edge swager 400 is provided at the upper end edge of the back door outer panel 100. Edge swager 400 has backward preceding pressing of turning tightly in back door planking edge, as shown in fig. 5 rotation radian route, the setting of this mechanism to further promote clamping stability, avoid appearing the welding deformation condition.
In order to solve the problem that the quality of an outer plate is not affected by heat generated in the laser welding process, a mechanism capable of accurately compressing, positioning and quickly dissipating heat needs to be designed, so that the laser welding machine can be produced in batch.
The invention relates to a mechanism capable of accurately compressing, positioning and quickly dissipating heat. The working principle is as follows: the plate falls onto the plate supporting profile block 340 along the guide block 346, the suction cup is tightly sucked, the plate sensing sensor 345 detects the plate, the profile pressing block 320 is pressed, the positioning clamp 200 at the lower part and the edge pressing mechanism at the rear part assist in positioning, the robot holds the laser welding tongs for welding, a large amount of heat is generated and transferred onto the plate, and the plate is transferred onto the supporting profile block 340; the gas pipe joint is ventilated and is dispelled the heat to supporting the shape-imitating block 340, and gaseous through supporting louvre 342 on the shape-imitating block 340, can directly cool off the plate, and the cooling effect is better, effectively prevents the laser welding in-process, and the condition of plate overheat deformation from producing, improves plate welding quality.
The positioning welding clamp for the back door outer plate can be stably compressed and positioned, has a good heat dissipation effect, effectively prevents the plate from welding deformation, and has a good application prospect.
Claims (5)
1. The utility model provides a back door outer plate positioning welding anchor clamps which characterized in that: the profiling pressing mechanism is matched with the upper end face of the back door outer plate frame in a profiling mode and comprises a supporting profile block and a profiling pressing block, wherein the supporting profile block is supported below the back door outer plate, the profiling pressing block is matched with the supporting profile block and tightly presses the back door outer plate, and a heat dissipation mechanism is arranged on the supporting profile block; the supporting profiling block comprises a profiling supporting block body, and the profiling supporting block body is a profiling structure which is formed by splicing a plurality of sets of profiling blocks and is attached to the inner wall surface of the back door outer plate; two ends of the supporting profile block are provided with two groups of profile pressing blocks which are symmetrically arranged, and the end parts of the side edges of the profile pressing blocks are rotatably connected to the welding fixture through a pressing arm rotating shaft; the end part of the profiling material pressing block is connected with the telescopic rod end of the profiling material pressing cylinder; a plurality of positioning suckers for auxiliary positioning are further arranged on the profiling supporting block body; a plate sensing sensor is arranged on the side edge of the profiling supporting block body, and a guide block is arranged at one end of the profiling supporting block body.
2. The back door outer plate tack welding jig according to claim 1, characterized in that: the heat dissipation mechanism comprises a plurality of heat dissipation holes formed in the profiling supporting block body, and air pipe connectors communicated with the heat dissipation holes are formed in the side edge of the profiling supporting block body.
3. The back door outer plate tack welding jig according to claim 1, characterized in that: the copying material pressing block comprises a copying material pressing arm and a plurality of material pressing block bodies connected below the copying material pressing arm, and the material pressing block bodies are matched with the supporting copying block.
4. A back door outer plate tack welding jig according to any one of claims 1 to 3, wherein: the welding fixture further comprises a positioning fixture which is pressed and positioned at the lower end of the back door outer plate and the edge of the rear window glass.
5. The back door outer plate tack welding jig according to claim 1, characterized in that: an edge material pressing mechanism is arranged at the edge of the upper end of the back door outer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190562.9A CN112296510B (en) | 2020-10-30 | 2020-10-30 | Positioning welding clamp for outer plate of back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190562.9A CN112296510B (en) | 2020-10-30 | 2020-10-30 | Positioning welding clamp for outer plate of back door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112296510A CN112296510A (en) | 2021-02-02 |
| CN112296510B true CN112296510B (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011190562.9A Active CN112296510B (en) | 2020-10-30 | 2020-10-30 | Positioning welding clamp for outer plate of back door |
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| Country | Link |
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| CN (1) | CN112296510B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669895B (en) * | 2022-03-30 | 2024-05-24 | 华工法利莱切焊系统工程有限公司 | Rear cover welding tool for through type tail lamp structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203887434U (en) * | 2014-05-08 | 2014-10-22 | 中航飞机股份有限公司西安飞机分公司 | Assembling clamp used for laser welding of titanium alloy fish-lip-shaped thin-wall skin part |
| CN105171220B (en) * | 2015-09-30 | 2018-04-10 | 安徽瑞祥工业有限公司 | A kind of bonnet outside plate assembly welding mechanism |
| CN106216906A (en) * | 2016-07-19 | 2016-12-14 | 广州明珞汽车装备有限公司 | A kind of rolling fetal membrane detent mechanism |
| CN206536392U (en) * | 2017-01-20 | 2017-10-03 | 东风佛吉亚汽车外饰有限公司 | Outside plate frock clamp under a kind of tail-gate |
| CN110711930A (en) * | 2019-10-17 | 2020-01-21 | 无锡威孚力达催化净化器有限责任公司 | Spot welding tool and process for automobile post-processing heat shield and portal frame spot welding tool |
| CN211248955U (en) * | 2019-12-18 | 2020-08-14 | 安徽雷尔伟交通装备有限公司 | Monorail car side wall edge section bar welding tool |
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2020
- 2020-10-30 CN CN202011190562.9A patent/CN112296510B/en active Active
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| CN112296510A (en) | 2021-02-02 |
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