CN114750419B - Welding tool for automobile parts - Google Patents
Welding tool for automobile parts Download PDFInfo
- Publication number
- CN114750419B CN114750419B CN202210524019.0A CN202210524019A CN114750419B CN 114750419 B CN114750419 B CN 114750419B CN 202210524019 A CN202210524019 A CN 202210524019A CN 114750419 B CN114750419 B CN 114750419B
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- welding
- bracket
- mounting bracket
- angle
- radar
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- 238000003466 welding Methods 0.000 title claims abstract description 114
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 18
- 238000005491 wire drawing Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 7
- 230000035515 penetration Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
- B29C65/7844—Holding or clamping means for handling purposes cooperating with specially formed features of at least one of the parts to be joined, e.g. cooperating with holes or ribs of at least one of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/87—Auxiliary operations or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding tool for automobile parts, which relates to the technical field of automobile part welding and comprises a base, a mounting frame, a positioning mechanism and a compensation mechanism, wherein the mounting frame is adjustably arranged on the base. According to the invention, the positioning mechanism and the compensation mechanism are arranged on the mounting frame, the output end of the driving motor drives the driving synchronous wheel to rotate at a constant speed and a small angle, so that the welding heads in all the welding guide grooves synchronously and dynamically deflect, the two sides of each welding guide groove are ensured to be in a vertical state relative to the corresponding curved surface welding end surfaces of the front radar bracket and the angle radar bracket, any welding spot of a flat puncture welding head at the curved surface end part of a weldment is realized, the two sides can completely penetrate through the weldment, and the wire drawing phenomenon is avoided; under the continuous pushing of the abutting piece and the top plate, the welding piece is matched to completely penetrate through the welding, so that the generated heat inside is uniform, the heat dissipation outside is uniform, the welding piece and the welding body cannot be obviously rebounded after welding, and the design precision is guaranteed.
Description
Technical Field
The invention relates to the technical field of automobile fitting welding, in particular to a welding tool for automobile fittings.
Background
The puncture welding is one of ultrasonic welding, can directly penetrate through a plastic welding body and contact with the other welding body, so that welding between the two is completed, and the puncture welding device is suitable for welding plastic fittings on automobiles, wherein the puncture welding is greatly applied to the processing of a front bumper assembly, such as welding a front radar bracket and a corner radar bracket onto the front bumper body assembly, and the front radar bracket and the corner radar bracket are directly arranged in a matched welding tool to be in puncture welding with the front bumper body assembly in the prior art.
But in the long-time use process, the existing welding tool is found to have certain defects: 1. the welding head of the puncture welding is kept unchanged relative to the welding end faces of the front radar support and the angle radar support, so that although the welding process can be kept at a high speed, the welding end faces of the front radar support and the angle radar support are not full-plane sections, and in the welding process of the curved end part of a weldment, even if the welding head at the same welding point is not completely penetrated through the weldment, the phenomenon of wire drawing occurs in a plastic hole which is not penetrated through the fusion joint in the pulling process; 2. in the cooling process after the welding is finished, rebound deformation occurs between the welding piece and the welding body, so that the relative angles of the front radar support and the angle radar support are changed, and the detection range of the radar deviates from the predesigned range after the corresponding radar is installed.
Disclosure of Invention
The invention aims to provide a welding tool for automobile parts, which aims to solve the defects caused by the prior art.
The utility model provides a welding frock for auto-parts, includes base, mounting bracket, positioning mechanism and compensating mechanism, the mounting bracket is adjustable installs on the base, and the rotation is provided with the seat of placing that is used for placing preceding radar support on the mounting bracket, and the rotation is provided with the seat second of placing that is used for placing the angle radar support on the mounting bracket, positioning mechanism installs on the mounting bracket to be used for carrying out welding angle's location to preceding radar support and angle radar support respectively, compensating mechanism installs on the mounting bracket, and is used for carrying out the compensation regulation to puncture welded bonding tool.
Preferably, the positioning mechanism comprises two positioning seats, two air jet heads and a pressing handle, the two positioning seats are respectively and fixedly arranged on the mounting frame, the two air jet heads are symmetrically arranged at the upper ends of the one positioning seat, the pressing handle is hinged to the lower end of the positioning seat, the pressing handle is connected with a pushing rod with adjustable length, the upper end of the pushing rod is hinged to a supporting piece, the other end of the supporting piece is rotatably connected to the first placing seat, and the other pushing rod on the positioning seat is provided with a top plate.
Preferably, the compensating mechanism comprises a driving motor, a T-shaped adjusting frame and a welding guide groove, wherein the driving motor is arranged on the mounting frame, the output end of the driving motor is provided with a driving synchronous wheel, the adjusting frame is respectively and fixedly connected to the mounting frame and is arranged on two sides of the driving motor, two rotating shafts which are symmetrically arranged are respectively and rotatably arranged on two sides of the adjusting frame, the upper end of each rotating shaft is fixedly provided with a driven synchronous wheel, the welding guide groove is fixedly arranged at the lower end of each rotating shaft, and the driven synchronous wheels are connected with the driving synchronous wheels through synchronous belts.
Preferably, the mounting panel of the mounting frame is height-adjustable.
Preferably, the upper part of the abutting piece is matched with the front radar bracket, and the upper part of the top plate is matched with the angle radar bracket.
Preferably, the air injection port of the air injection head is matched with the welding end surfaces of the front radar bracket and the angle radar bracket in the vertical direction.
Preferably, the lower end of the welding guide groove is a guide inlet of the welding head.
Preferably, the rotation directions of the driven synchronous wheels at the corresponding sides of the two ends of the adjusting frames are opposite.
The invention has the advantages that: (1) The positioning mechanism and the compensation mechanism are arranged on the mounting frame, the output end of the driving motor drives the driving synchronous wheel to rotate at a constant speed and a small angle, under the resistance driving action of the synchronous belt, the driven synchronous wheel on the path sequentially rotates in different directions, and the rotating shaft drives the welding guide grooves at the lower end to synchronously rotate in the same direction with the corresponding driven synchronous wheel, so that welding heads in the welding guide grooves synchronously and dynamically deflect, the two sides of the welding guide grooves are ensured to be in a vertical state relative to the corresponding curved welding end surfaces of the front radar bracket and the angle radar bracket, any welding spot of a flat puncture welding head at the curved end part of a weldment is realized, the two sides can completely pass through the weldment, and the phenomenon of wire drawing is avoided;
(2) Under the continuous pushing of the abutting piece and the top plate, the welding piece is matched to completely penetrate through the welding, so that the generated heat inside is uniform, the heat dissipation outside is uniform, the welding piece and the welding body cannot be obviously rebounded after welding, and the design precision is guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the positioning mechanism and the front radar support of the present invention.
Fig. 3 is an exploded view of the positioning mechanism and the angle radar bracket of the present invention.
Fig. 4 is a schematic view showing a state of a part of the structure in the present invention.
Fig. 5 is a schematic diagram showing a state of rotation compensation of each welding guide groove in the present invention.
The device comprises a 1-base, a 2-mounting frame, a 3-positioning mechanism, a 4-compensation mechanism, a 5-front radar support, a 6-placement seat I, a 7-angle radar support, a 8-placement seat II, a 9-welding head, a 31-positioning seat, a 32-air jet head, a 33-compression handle, a 34-push rod, a 35-abutting piece, a 36-top plate, a 41-driving motor, a 42-adjusting frame, a 43-welding guide groove, a 44-driving synchronous wheel, a 45-rotating shaft, a 46-driven synchronous wheel and a 47-synchronous belt.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5, a welding fixture for auto parts, including base 1, mounting bracket 2, positioning mechanism 3 and compensating mechanism 4, mounting bracket 2 adjustable mounting is provided with the seat first 6 of placing that is used for placing preceding radar support 5 on mounting bracket 2, still rotates on mounting bracket 2 and is provided with the seat second 8 of placing that is used for placing angle radar support 7, positioning mechanism 3 installs on mounting bracket 2 for carry out welding angle's location to preceding radar support 5 and angle radar support 7 respectively, compensating mechanism 4 installs on mounting bracket 2 to be used for carrying out the compensation to puncture welded bonding tool 9 and adjusting, the installation panel height-adjustable of mounting bracket 2 makes positioning mechanism 3 and compensating mechanism 4 all can carry out the adaptability according to the actual conditions in horizontal direction and vertical direction.
In this embodiment, the positioning mechanism 3 includes a positioning seat 31, a gas jet head 32 and a pressing handle 33, where the two positioning seats 31 are respectively and fixedly disposed on the mounting frame 2, the two gas jet heads 32 are symmetrically disposed at the upper end of one positioning seat 31, the pressing handle 33 is hinged to the lower end of the positioning seat 31, a pushing rod 34 with an adjustable length is connected to the pressing handle 33, an abutting part 35 is hinged to the upper end of the pushing rod 34, the other end of the abutting part 35 is rotatably connected to the first placement seat 6, and a top plate 36 is mounted on the pushing rod 34 on the other positioning seat 31.
In this embodiment, the compensation mechanism 4 includes a driving motor 41, a T-shaped adjusting frame 42 and a welding guide groove 43, the driving motor 41 is mounted on the mounting frame 2, the output end of the driving motor 41 is mounted with a driving synchronizing wheel 44, two adjusting frames 42 are respectively and fixedly connected to the mounting frame 2 and are disposed on two sides of the driving motor 41, two symmetrically disposed rotating shafts 45 are rotatably mounted on two sides of the adjusting frames 42, a driven synchronizing wheel 46 is fixedly mounted on the upper end of the rotating shaft 45, and the welding guide groove 43 is fixedly disposed on the lower end of the rotating shaft 45, and the driven synchronizing wheel 46 is connected with the driving synchronizing wheel 44 through a synchronizing belt 47.
It should be noted that the driving motor 41 is a servo motor, and may rotate the welding guide slot 43 by a small angle.
In this embodiment, the upper portion of the abutting member 35 is matched with the front radar support 5, the upper portion of the top plate 36 is matched with the angle radar support 7, and the air injection port of the air injection head 32 is vertically matched with the welding end surfaces of the front radar support 5 and the angle radar support 7.
In this embodiment, the lower end of the welding guide groove 43 is a guiding inlet of the welding head 9, that is, in the process of piercing welding, the welding head 9 starts from below the welding guide groove 43, and welds the front radar bracket 5 and the corner radar bracket 7 to the automobile front bumper body assembly from bottom to top.
In addition, the rotation directions of the driven synchronizing wheels 46 on the corresponding sides of the two ends of the adjusting frame 42 are opposite, and the small-inclination side of the front radar support 5 is close to the long side section of the angle radar support 7 in the horizontal direction.
Working process and principle: in the use process, firstly, according to the welding positions of a front radar support 5, an angle radar support 7 and an automobile front bumper body assembly, the horizontal direction and the vertical direction of a mounting frame 2 are regulated, the front radar support 5 and the angle radar support 7 are respectively placed on a first placing seat 6 and a second placing seat 8 in an oriented manner, the small inclination angle side (the upper part of the front radar support 5 in fig. 4) of the front radar support 5 is required to be kept close to the long side section (the lower part of the angle radar support 7 in fig. 4) of the angle radar support 7 in the placing process, a pressing handle 33 on two sides is pulled upwards, when a push rod 34 on one side corresponding to the front radar support 5 moves upwards, the upper part of a pushing abutting piece 35 is used for fastening and positioning the lower end of the front radar support 5, meanwhile, error prevention can be realized, a normally open state of a jet head 32 is kept in the welding process, the product structure after welding is ensured to be rapidly molded, a welding head 9 arranged in sequence is controlled by a welding device, and simultaneously, the lower end of a welding guide groove 43 is used for welding the front radar support 7 from bottom to top of the radar support 7;
in the welding process, after welding heads 9 arranged in sequence enter between a welding guide groove 43 and a weldment, a driving motor 41 is immediately started to enable the output end of the welding heads 9 to drive a driving synchronous wheel 44 to rotate at a constant speed and a small angle (taking clockwise rotation as an example), under the resistance driving effect of a synchronous belt 47, driven synchronous wheels 46 on a path (clockwise direction) sequentially synchronously rotate clockwise, anticlockwise and anticlockwise, a rotating shaft 45 drives the welding guide groove 43 at the lower end and the corresponding driven synchronous wheels 46 to synchronously rotate in the same direction, so that the welding heads 9 in each welding guide groove 43 synchronously and dynamically deflect, the two welding heads 9 rotating in the clockwise direction respectively carry out compensation adjustment on the relative adduction side of a front radar bracket 5 and an angle radar bracket 7, and the two welding heads 9 rotating in the anticlockwise direction respectively carry out compensation adjustment on the relative outwards turned sides of the front radar bracket 5 and the angle radar bracket 7, so that the two sides of each welding guide groove 43 are in a vertical state relative to the corresponding curved surface welding end surfaces of the front radar bracket 5 and the angle radar bracket 7, any penetration welding heads at the two sides of the curved surface end of the weldment can be realized, and the phenomenon of wire drawing can be completely avoided;
under the continuous pushing of the abutting piece 35 and the top plate 36, the welding piece is matched with the complete penetration welding, so that the generated heat inside is uniform, the heat dissipation outside is uniform, the welding piece and the welding body cannot obviously rebound after welding, and the design precision is ensured.
Based on the above, the positioning mechanism 3 and the compensating mechanism 4 are arranged on the mounting frame 2, the output end of the driving motor 41 drives the driving synchronizing wheel 44 to rotate at a constant speed and a small angle, the driven synchronizing wheel 46 on the path sequentially rotates in different directions under the resistance driving action of the synchronous belt 47, and the rotating shaft 45 drives the welding guide grooves 43 at the lower end to synchronously rotate in the same direction with the corresponding driven synchronizing wheel 46, so that the welding heads 9 in the welding guide grooves 43 synchronously and dynamically deflect, the two sides of the welding guide grooves 43 are ensured to be in a vertical state relative to the corresponding curved surface welding end surfaces of the front radar bracket 5 and the angle radar bracket 7, the flat penetration welding heads can completely penetrate through weldments at any welding spots at the curved surface end parts of the weldments, and the phenomenon of wire drawing is avoided.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (5)
1. The utility model provides a welding frock for auto-parts, its characterized in that includes base (1), mounting bracket (2), positioning mechanism (3) and compensating mechanism (4), mounting bracket (2) adjustable mounting is on base (1), and rotation is provided with on mounting bracket (2) and is used for placing seat one (6) of preceding radar support (5), and still the rotation is provided with on mounting bracket (2) and is used for placing seat two (8) of angle radar support (7), positioning mechanism (3) are installed on mounting bracket (2) to be used for carrying out the location of welding angle to preceding radar support (5) and angle radar support (7) respectively, compensating mechanism (4) are installed on mounting bracket (2) to be used for carrying out the compensation adjustment to puncture welded bonding tool (9), compensating mechanism (4) are including driving motor (41), "T" font adjusting bracket (42) and welding guide way (43), driving motor (41) are installed on mounting bracket (2), and driving motor (41) output is installed initiative synchronizing wheel (44) on mounting bracket, adjusting bracket (42) and are installed on both sides of two both sides of installing respectively and are installed on two adjusting bracket (42) and are fixed with rotating shaft (45), the upper end fixed mounting of pivot (45) has driven synchronizing wheel (46), welding guide way (43) is fixed to be set up in the lower extreme of pivot (45), driven synchronizing wheel (46) link to each other with initiative synchronizing wheel (44) through hold-in range (47), and the lower extreme of welding guide way (43) is the direction entry of bonding tool (9), two correspond one side driven synchronizing wheel (46) on the both ends of regulating frame (42) rotation opposite direction.
2. The welding fixture for automobile parts according to claim 1, wherein: positioning mechanism (3) are including positioning seat (31), air jet head (32) and compress tightly handle (33), positioning seat (31) have two and respectively fixed the setting on mounting bracket (2), air jet head (32) have two and symmetry install in one the upper end of positioning seat (31), compress tightly handle (33) and articulate in the lower extreme of positioning seat (31), be connected with length adjustable ejector pin (34) on compressing tightly handle (33), the upper end hinge of ejector pin (34) has to lean on piece (35), the other end rotation that leans on piece (35) is connected on placing seat one (6), another install roof (36) on ejector pin (34) on positioning seat (31).
3. The welding fixture for automobile parts according to claim 1, wherein: the height of the installation panel of the installation frame (2) is adjustable.
4. The welding fixture for automobile parts according to claim 2, wherein: the upper part of the abutting piece (35) is matched with the front radar bracket (5), and the upper part of the top plate (36) is matched with the angle radar bracket (7).
5. The welding fixture for automobile parts according to claim 2, wherein: and an air injection port of the air injection head (32) is matched with the welding end surfaces of the front radar bracket (5) and the angle radar bracket (7) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524019.0A CN114750419B (en) | 2022-05-13 | 2022-05-13 | Welding tool for automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524019.0A CN114750419B (en) | 2022-05-13 | 2022-05-13 | Welding tool for automobile parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114750419A CN114750419A (en) | 2022-07-15 |
| CN114750419B true CN114750419B (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210524019.0A Active CN114750419B (en) | 2022-05-13 | 2022-05-13 | Welding tool for automobile parts |
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| CN (1) | CN114750419B (en) |
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| CN107081557A (en) * | 2017-06-19 | 2017-08-22 | 中国化学工程第三建设有限公司 | A kind of curved surface is welded and fixed adjustment fixture |
| CN108213645A (en) * | 2018-03-12 | 2018-06-29 | 深圳市兴禾自动化有限公司 | A kind of power supply DC line automatic welding machines |
| CN214558058U (en) * | 2021-01-25 | 2021-11-02 | 和音电子科技（东莞）有限公司 | Automatic welding machine of voice coil loudspeaker voice coil |
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