CN112059507B - Welding positioning device for automobile front cross beam - Google Patents
Welding positioning device for automobile front cross beam Download PDFInfo
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- CN112059507B CN112059507B CN202010980407.0A CN202010980407A CN112059507B CN 112059507 B CN112059507 B CN 112059507B CN 202010980407 A CN202010980407 A CN 202010980407A CN 112059507 B CN112059507 B CN 112059507B
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- bottom plate
- positioning device
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of welding and positioning devices for automobile front cross beams, in particular to a welding and positioning device for an automobile front cross beam. The welding positioning device comprises a support, a horizontal workbench plate and a control system, wherein the horizontal workbench surface is divided into a beam main body mounting area and a beam end seat mounting area; the crossbeam main part is provided with horizontal positioning device, vertical hold-down mechanism and support hold-down mechanism in settling the district, is provided with the end socket positioner who comprises bottom plate positioner and curb plate mounting structure in the crossbeam end socket settling area, and horizontal positioning device and bottom plate positioner settle on controlling to the slide rail through independent controlling to actuating mechanism. The welding positioning device can automatically realize the splicing positioning welding between the beam main body and the bracket and the end seat and the splicing positioning welding of each part of the end seat, and can effectively reduce the labor intensity of workers and improve the working efficiency.
Description
Technical Field
The invention relates to a welding and positioning device for a front cross beam of an automobile, which can automatically realize the splicing and positioning welding among a cross beam main body, a support and an end seat and the splicing and positioning welding of each part of the end seat, effectively reduce the labor intensity of workers and improve the working efficiency, and belongs to the technical field of welding and positioning devices for front cross beams of automobiles.
Background
The existing welding and positioning device for the front cross beam of the automobile generally separates a cross beam main body and an end seat, performs welding after the welded cross beam main body and the welded end seat are spliced and positioned manually, and is not only complex and low in efficiency, but also causes great labor intensity of workers and is very inconvenient.
Disclosure of Invention
Aiming at the defects of the existing welding and positioning device for the front cross beam of the automobile, the invention provides a novel welding and positioning device for the front cross beam of the automobile, which can automatically realize the splicing and positioning welding between the main body of the cross beam and the bracket and the end seat and the splicing and positioning welding of each part of the end seat, and can effectively reduce the labor intensity of workers and improve the working efficiency.
The technical purpose of the invention is realized by the following technical scheme: a welding and positioning device for a front cross beam of an automobile comprises a support, a horizontal working table plate and a control system, wherein the horizontal working table plate and the control system are arranged on the support, the horizontal working table plate is a rectangular plate surface, and the horizontal working table surface is divided into a cross beam main body arrangement area and a cross beam end seat arrangement area; the beam main body placing area is internally provided with two horizontal positioning devices which are respectively arranged at the front edge and the rear edge of a horizontal workbench and are relative to the end part of the beam main body, a plurality of vertical pressing mechanisms for vertically limiting the beam main body and a support pressing mechanism for extruding the welding part of a support, two groups of end seat positioning devices which are arranged in mirror symmetry are arranged in the beam end seat placing area, each group of end seat positioning devices consists of a bottom plate positioning device arranged at the front edge or the rear edge of the horizontal workbench and a side plate placing block matched with the bottom plate positioning device, and the horizontal positioning devices and the bottom plate positioning devices are simultaneously placed on left and right slide rails at the front edge and the rear edge of a horizontal workbench plate through independent left and right driving devices;
the horizontal positioning device consists of a first left-right driving device, a first bottom plate and a first front-back pushing mechanism, the first front-back pushing mechanism is arranged on the first bottom plate, the first bottom plate is arranged on a left-right sliding rail through the first left-right driving device, the first front-back pushing mechanism consists of a sliding plate and a first pushing cylinder, a cross beam main body end face push block and two left-right clamping mechanisms which are symmetrically arranged at the front side of the end face push block and arranged oppositely are arranged on the sliding plate, and the left-right clamping mechanisms consist of clamping blocks and pushing cylinders which are independently matched with the clamping blocks;
a bottom plate positioning device in the end seat positioning device consists of a second left-right direction driving device, a second bottom plate, a positioning block, a stepping motor, a front-back direction driving device and a bottom plate pressing mechanism, wherein the bottom plate pressing mechanism is arranged on the front side of the positioning block, the bottom plate pressing mechanism fixes the bottom plate on the front side of the positioning block, the rear side of the positioning block is fixed with the end part of a rotating shaft of the stepping motor, the rotating shaft of the stepping motor can drive the positioning block to rotate, a main body of the stepping motor is arranged on the second bottom plate through the front-back direction driving device, and the second bottom plate is arranged on left-right direction sliding rails at the front edge and the rear edge of the horizontal working table plate through the second left-right direction driving device; a groove-shaped structure for inserting the side plate is arranged on one side, close to the bottom plate positioning device, of the side plate mounting block in the end seat positioning device; the bottom plate is pushed by the front-back driving device, so that the bottom plate can be contacted with the welding part of the side plate;
when in use, the cylindrical straight beam and the bracket of the beam main body are arranged in the beam main body arrangement area, and the bottom plate and the side plate of the end seat are arranged in the beam end seat arrangement area; starting a control system, wherein the control system controls the horizontal positioning device, the vertical pressing mechanism and the support pressing mechanism to position the beam main body, and controls the end seat positioning device to position the end seat; respectively welding the beam main body and the end seat; after welding is finished, the horizontal positioning device loosens the clamping and positioning of the end part of the beam main body, the first pushing cylinder controls the sliding plate to retreat, and the first left-right driving device drives the horizontal positioning device to integrally move left; moving the vertical pressing mechanism close to the end part of the beam main body away; the bottom plate positioning device firstly moves the end seat integrally backwards to enable the side plate of the end seat to withdraw from the side plate mounting block, then turns the end seat integrally by 90 degrees through the stepping motor, and then moves the bottom plate positioning device to the end position of the beam main body leftwards; the front-back driving device moves the end seat forwards to be in contact with the welding part at the end part of the beam main body for positioning; and welding the end part of the beam main body and the end seat to finish welding.
Through adopting above-mentioned technical scheme, a new car front beam welding position device is provided, and this welding position device can realize the amalgamation fixed-position welding to between crossbeam main part and support and the end seat and the amalgamation fixed-position welding of each part of end seat self automatically, can effectively liberate the labour, improves welding efficiency.
The invention is further provided with: the support pressing mechanism is composed of two groups of pressing mechanisms symmetrically arranged on two sides of the support, each group of pressing mechanisms is composed of a placing frame, an oblique pressing cylinder and a pressing block, the shape of a pressing surface of the pressing block is consistent with that of a contact part of the support and the cylindrical straight beam, and the size of the pressing surface of the pressing block is smaller than that of the contact part of the support and the cylindrical straight beam.
Through adopting above-mentioned technical scheme, provide one kind with welding stent welding position assorted compact structure, this compact structure can carry out even extrusion to the welding part of support, can fully realize the contact between support and the crossbeam, realizes perfect laminating welding between the two, can effectively improve welding effect.
The invention is further provided with: the front side of the end face push block is provided with a supporting cylinder, the supporting cylinder can be pushed forwards and pulled backwards along with the first pushing cylinder to enter and exit from the end cavity of the beam main body, the length of the supporting cylinder is larger than the distance between the support and the end of the beam main body, and the outer diameter of the supporting cylinder is in sliding fit with the inner diameter of the end cavity of the beam main body.
Through adopting above-mentioned technical scheme, provide one kind and can play the supporting role to the scaffold weldment position and support the drum, the design that supports the drum can effectively avoid the support part to be heated the extrusion deformation's when the welding the condition, can effectively guarantee the welding effect.
The invention is further configured as follows: the vertical pressing mechanism consists of a pressing cylinder, a positioning lever and a hinged support column.
Through adopting above-mentioned technical scheme, a compact structure is provided, and makes things convenient for the vertical compact structure of work piece access.
The invention is further provided with: the number of the vertical pressing mechanisms is at least three.
By adopting the technical scheme, the optimal distribution mode of the vertical pressing mechanism is provided, the vertical pressing capacity is ensured, and the cost is well controlled.
The invention is further provided with: the bottom plate pressing mechanism consists of a transverse pressing cylinder, a positioning lever and a hinged support column.
By adopting the technical scheme, the occupation of the pressing mechanism to the space can be effectively reduced, and the overall layout of the equipment is more compact.
The invention has the main beneficial effects that:
1. the invention provides a novel welding and positioning device for a front cross beam of an automobile, which can automatically realize the splicing and positioning welding among a cross beam main body, a support and an end seat and the splicing and positioning welding of each part of the end seat, effectively liberate labor force and improve welding efficiency.
2. The bracket pressing mechanism with the pressing surface in the shape consistent with the welding part of the bracket is arranged on the horizontal working table plate outside the welding part of the bracket, so that the welding part of the bracket can be uniformly extruded, the contact between the bracket and the cross beam can be fully realized, the perfect fit welding between the bracket and the cross beam is realized, and the welding effect can be effectively improved.
3. The support cylinder is arranged on the sliding block of the first forward and backward pushing mechanism and can support the welding position of the support, and the support cylinder is designed to effectively avoid the situation that the support part is heated, extruded and deformed during welding and further ensure the welding effect.
4. The invention also adopts a lever-type vertical pressing mechanism, which not only facilitates the storage and the taking of workpieces, but also has the advantage of compact structure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the first step of welding according to the present invention;
FIG. 2 is a schematic view of the second step of the welding of the present invention;
FIG. 3 is a schematic structural view of a welded automotive front cross member formed in accordance with the present invention.
In the figure, 1, a horizontal work table; 2. left and right slide rails; 3. a horizontal positioning device; 4. a vertical hold-down mechanism; 5. a base plate positioning device; 6. a side plate mounting block; 7. a first base plate; 8. a first push cylinder; 9. a slide plate; 10. a left-right clamping mechanism; 11. an end face push block; 12. a second base plate; 13. a stepping motor; 14. a forward and backward driving device; 15. a pressing cylinder; 16. positioning blocks; 17. a base plate; 18. a side plate; 19. a placement frame; 20. briquetting; 21. an oblique pressing cylinder; 22. a cylindrical straight beam; 23. a support; 24. an end seat.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in fig. 1 to 3, an automobile front beam welding and positioning device comprises a support, a horizontal workbench plate 1 and a control system, wherein the horizontal workbench plate 1 is arranged on the support, the horizontal workbench plate 1 is a rectangular plate surface, and the horizontal workbench plate 1 is divided into a beam main body arrangement area and a beam end seat arrangement area; two horizontal positioning devices 3 which are respectively arranged at the front edge and the rear edge of the horizontal workbench 1 and are related to the end part of the beam main body, 3 vertical pressing mechanisms 4 which are arranged at equal intervals and used for vertically limiting the beam main body and a support pressing mechanism used for extruding the welding part of a support 23 are arranged in the beam main body mounting area, the vertical pressing mechanism 4 consists of a pressing cylinder, a positioning lever and a hinged support column, two groups of end seat positioning devices which are arranged in a mirror symmetry mode are arranged in the beam end seat arrangement area, each group of end seat positioning devices consists of a bottom plate positioning device 5 arranged at the front edge or the rear edge of the horizontal workbench 1 and a side plate arrangement block 6 matched with the bottom plate positioning device 5, and the horizontal positioning device 3 and the bottom plate positioning device 5 are simultaneously arranged on the left-right slide rail 2 at the front edge and the rear edge of the horizontal workbench 1 through independent left-right driving devices. The support pressing mechanism is composed of two groups of pressing mechanisms symmetrically arranged on two sides of a support 23, each group of pressing mechanisms is composed of a placing frame 19, an oblique pressing cylinder 21 and a pressing block 20, the shape of a pressing surface of the pressing block 20 is consistent with that of a contact part of the support 23 and a cylindrical straight beam 22, and the size of the pressing surface of the pressing block 20 is smaller than that of the contact part of the support 23 and the cylindrical straight beam 22.
The horizontal positioning device 3 comprises a first left-right driving device, a first bottom plate 7 and a first front-back pushing mechanism, the first front-back pushing mechanism is arranged on the first bottom plate 7, the first bottom plate 7 is arranged on the left-right sliding rail 2 through the first left-right driving device, the first front-back pushing mechanism comprises a sliding plate 9 and a first pushing cylinder 8, a cross beam main body end face push block 11 and two left-right clamping mechanisms 10 which are symmetrically arranged on the front side of the end face push block 11 and are arranged oppositely are arranged on the sliding plate 9, and the left-right clamping mechanisms 10 comprise clamping blocks and pushing cylinders which are independently matched with the clamping blocks. The front side of the end face push block 11 is provided with a support cylinder, the support cylinder can be pushed forwards and pulled backwards along with the first push cylinder 8 to enter and exit from the end cavity of the beam main body, the length of the support cylinder is larger than the distance between the support and the end of the beam main body, and the outer diameter of the support cylinder is in sliding fit with the inner diameter of the end cavity of the beam main body.
A bottom plate positioning device 5 in the end seat positioning device consists of a second left-right direction driving device, a second bottom plate 12, a positioning block 16, a stepping motor 13, a front-back direction driving device 14 and a bottom plate pressing mechanism, wherein the bottom plate pressing mechanism is arranged on the front side of the positioning block 16, the bottom plate pressing mechanism fixes a bottom plate 17 on the front side of the positioning block 16, the bottom plate pressing mechanism consists of a pressing cylinder 15, a positioning lever and a hinged support column, the rear side of the positioning block 16 is fixed with the end part of a rotating shaft of the stepping motor 13, the rotating shaft of the stepping motor 13 can drive the positioning block 16 to rotate, a main body of the stepping motor 13 is arranged on the second bottom plate 12 through the front-back direction driving device 14, and the second bottom plate 12 is arranged on left-right direction slide rails 2 at the front edge and the rear edge of the horizontal working table plate 1 through the second left-right direction driving device; a groove-shaped structure for inserting the side plate 18 is arranged on one side, close to the bottom plate positioning device 5, of the side plate mounting block 6 in the end seat positioning device; the welding portion between the bottom plate 17 and the side plate 18 can be brought into contact by pushing the bottom plate 17 by the forward/backward driving device 14.
When in use, the cylindrical straight beam 22 and the bracket 23 of the beam main body are arranged in the beam main body arrangement area, and the bottom plate 17 and the side plate 18 of the end seat 24 are arranged in the beam end seat arrangement area; starting a control system, wherein the control system controls the horizontal positioning device 3, the vertical pressing mechanism 4 and the support pressing mechanism to position the beam main body, and controls the end seat positioning device to position the end seat; respectively welding the beam main body and the end seat; after welding is finished, the horizontal positioning device loosens the clamping and positioning of the end part of the beam main body, the first pushing cylinder 8 controls the sliding plate 9 to retreat, and the first left-right driving device drives the horizontal positioning device to move left integrally; the vertical pressing mechanism 4 close to the end part of the beam main body is moved away; the bottom plate positioning device 5 firstly moves the end seat 24 integrally backward to enable the side plate of the end seat 24 to withdraw from the side plate mounting block 6, then turns the end seat 24 integrally by 90 degrees through the stepping motor 13, and then moves the bottom plate positioning device 5 to the end position of the beam main body leftwards; the front and rear driving device moves the end seat 24 forward to make it contact with the welding position of the end of the beam main body for positioning; and welding the end part of the beam main body and the end seat 24 to finish welding.
Claims (5)
1. A welding and positioning device for a front cross beam of an automobile comprises a support, and a horizontal working table plate (1) and a control system which are arranged on the support, wherein the horizontal working table plate (1) is a rectangular plate surface, and the horizontal working table plate (1) is divided into a cross beam main body arrangement area and a cross beam end seat arrangement area; the method is characterized in that: the beam main body placing area is internally provided with two horizontal positioning devices (3) which are respectively arranged at the front edge and the rear edge of the horizontal working table plate (1) and are relative to the end part of the beam main body, a plurality of vertical pressing mechanisms (4) for vertically limiting the beam main body and a bracket pressing mechanism for extruding the welding part of the bracket (23), two groups of end seat positioning devices which are arranged in a mirror symmetry manner are arranged in the end seat arrangement area of the cross beam, each group of end seat positioning devices consists of a bottom plate positioning device (5) arranged at the front edge or the rear edge of the horizontal workbench (1) and a side plate arrangement block (6) matched with the bottom plate positioning device (5), the horizontal positioning device (3) and the bottom plate positioning device (5) are simultaneously arranged on the left-right slide rail (2) at the front edge and the rear edge of the horizontal workbench plate (1) through independent left-right driving devices;
the horizontal positioning device (3) comprises a first left-right driving device, a first bottom plate (7) and a first front-back pushing mechanism, the first front-back pushing mechanism is arranged on the first bottom plate (7), the first bottom plate (7) is arranged on the left-right sliding rail (2) through the first left-right driving device, the first front-back pushing mechanism comprises a sliding plate (9) and a first pushing cylinder (8), the sliding plate (9) is provided with a beam main body end face push block (11) and two oppositely arranged left-right clamping mechanisms (10) symmetrically arranged at the front side of the end face push block (11), and the left-right clamping mechanisms (10) comprise clamping blocks and pushing cylinders independently matched with the clamping blocks;
the support pressing mechanism consists of two groups of pressing mechanisms which are symmetrically arranged on two sides of a support (23), each group of pressing mechanisms consists of a placing frame (19), an oblique pressing cylinder (21) and a pressing block (20), the shape of the pressing surface of the pressing block (20) is consistent with that of the contact part of the support (23) and a cylindrical straight beam (22), and the size of the pressing surface of the pressing block (20) is smaller than that of the contact part of the support (23) and the cylindrical straight beam (22);
the bottom plate positioning device (5) in the end seat positioning device consists of a second left-right driving device, a second bottom plate (12), a positioning block (16), a stepping motor (13), a front-back driving device (14) and a bottom plate pressing mechanism, the bottom plate pressing mechanism is arranged on the front side of the positioning block (16), the bottom plate pressing mechanism fixes the bottom plate (17) on the front side of the positioning block (16), the rear side of the positioning block (16) is fixed with the end part of the rotating shaft of the stepping motor (13), the rotation of the rotating shaft of the stepping motor (13) can drive the positioning block (16) to rotate, the main body of the stepping motor (13) is arranged on the second bottom plate (12) through a front-back driving device (14), the second bottom plate (12) is arranged on the left-right slide rails (2) at the front edge and the rear edge of the horizontal workbench plate (1) through a second left-right driving device; a groove-shaped structure for inserting the side plate (18) is arranged on one side, close to the bottom plate positioning device (5), of the side plate mounting block (6) in the end seat positioning device; the bottom plate (17) can be contacted with the welding part of the side plate (18) by pushing the bottom plate (17) by the front-back driving device (14);
when in use, the cylindrical straight beam (22) and the bracket (23) of the beam main body are arranged in the beam main body arrangement area, and the bottom plate (17) and the side plate (18) of the end seat (24) are arranged in the beam end seat arrangement area; starting a control system, wherein the control system controls a horizontal positioning device (3), a vertical pressing mechanism (4) and a support pressing mechanism to position the beam main body, and controls an end seat positioning device to position an end seat; respectively welding the beam main body and the end seat; after welding is finished, the horizontal positioning device loosens the clamping and positioning of the end part of the beam main body, the first pushing cylinder (8) controls the sliding plate (9) to retreat, and the first left-right driving device drives the horizontal positioning device to move left integrally; moving away the vertical pressing mechanism (4) close to the end part of the beam main body; the bottom plate positioning device (5) integrally moves the end seat (24) backwards to enable a side plate of the end seat (24) to exit from the side plate mounting block (6), then integrally overturns the end seat (24) by 90 degrees through the stepping motor (13), and then moves the bottom plate positioning device (5) to the end part of the beam main body to the left; the front-back driving device moves the end seat (24) forwards to be in contact with the welding part at the end part of the beam main body for positioning; and welding the end part of the beam main body and the end seat (24) to finish welding.
2. The welding and positioning device for the front cross beam of the automobile according to claim 1, characterized in that: the front side of the end face push block (11) is provided with a supporting cylinder, the supporting cylinder can be pushed forwards and pulled backwards along with a first pushing cylinder (8) to enter and exit from an end cavity of the beam main body, the length of the supporting cylinder is larger than the distance between the support and the end of the beam main body, and the outer diameter of the supporting cylinder is in sliding fit with the inner diameter of the end cavity of the beam main body.
3. The welding and positioning device for the front cross beam of the automobile according to claim 1, characterized in that: the vertical pressing mechanism (4) consists of a pressing cylinder, a positioning lever and a hinged support column.
4. The welding and positioning device for the front cross beam of the automobile according to claim 3, characterized in that: the number of the vertical pressing mechanisms (4) is at least three.
5. The welding and positioning device for the front cross beam of the automobile according to claim 1, characterized in that: the bottom plate pressing mechanism consists of a pressing cylinder (15), a positioning lever and a hinged support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980407.0A CN112059507B (en) | 2020-09-17 | 2020-09-17 | Welding positioning device for automobile front cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980407.0A CN112059507B (en) | 2020-09-17 | 2020-09-17 | Welding positioning device for automobile front cross beam |
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| CN112059507A CN112059507A (en) | 2020-12-11 |
| CN112059507B true CN112059507B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010980407.0A Active CN112059507B (en) | 2020-09-17 | 2020-09-17 | Welding positioning device for automobile front cross beam |
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| CN (1) | CN112059507B (en) |
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| CN209754350U (en) * | 2019-04-24 | 2019-12-10 | 广州沃玛精机制造有限公司 | Four-gun automatic welding machine for angle iron flange |
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| CN210789829U (en) * | 2019-11-19 | 2020-06-19 | 山西布劳恩电梯股份有限公司 | Auxiliary positioning device for welding of lower beam of elevator |
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| CN104959772A (en) * | 2015-07-17 | 2015-10-07 | 马鞍山市美格尔科技电器有限公司 | Welding positioning device for water heater tank |
| CN106112325A (en) * | 2016-08-18 | 2016-11-16 | 浙江好仕莱家居用品有限公司 | A kind of guard frame rail welder |
| CN207127430U (en) * | 2017-04-21 | 2018-03-23 | 江苏建筑职业技术学院 | A kind of general crossbeam manipulator weld jig of urban rail |
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| Publication number | Publication date |
|---|---|
| CN112059507A (en) | 2020-12-11 |
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