CN219169874U

CN219169874U - Car door water trimming welding device and car door leading-out welding splicing table

Info

Publication number: CN219169874U
Application number: CN202320092902.7U
Authority: CN
Inventors: 蒋伟光; 徐莉
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-13
Anticipated expiration: 2033-01-31

Abstract

The utility model provides a vehicle door water trimming welding device and a vehicle door leading-out welding splicing table, and belongs to the technical field of vehicle door welding. The welding device for the trimming of the automobile door water comprises a mounting frame, a clamp mechanism and a single-side welding tongs, wherein the upper end of the mounting frame is provided with a fixed positioning block, the clamp mechanism comprises a clamp and a first driving device which can be movably mounted on the mounting frame, the first driving device is fixedly connected to the mounting frame and is connected with the clamp, the clamp and the fixed positioning block clamp the trimming of the automobile door water together, the single-side welding tongs comprise a second driving device mounted on the mounting frame and a welding part mounted on the second driving device, and the second driving device is used for driving the welding part to be abutted against the trimming of the automobile door water. The water trimming welding device is compact in structure, small, exquisite and portable, solves the problem that the welding spots are blocked by the inner plate of the B column/C column of the vehicle door and cannot be welded by the common welding tongs, does not need to adopt a special machine trimming process, ensures the beat output of the production line, improves the flexibility of the production line of the vehicle door, and does not need additional equipment investment.

Description

Car door water trimming welding device and car door leading-out welding splicing table

Technical Field

The utility model relates to the technical field of vehicle door welding, in particular to a vehicle door water trimming welding device and a vehicle door leading-out welding splicing table.

Background

The automobile door outer plate and the automobile door outer plate reinforcing plate are connected by adopting a robot edge wrapping mode, because automobile door water trimming is narrow, the space between the automobile door outer plate and the automobile door inner plate is narrow, the B column/C column water trimming position is blocked by the automobile door inner plate, the roller edge head of an ordinary robot cannot roll to the area, a section of cantilever opening structure which is 200mm long and is not connected is arranged between the automobile door outer plate and the automobile door outer plate reinforcing plate, and after the automobile door assembly is welded, the opening problem can be caused in the automobile door outer plate and the automobile door outer plate reinforcing plate.

In the prior art, a section of buckle is reserved in a B column/C column area of a vehicle door outer plate, the vehicle door outer plate and a vehicle door outer plate reinforcing plate are connected in a special machine edge wrapping mode, the problem of opening of the vehicle door outer plate and a windowsill reinforcing plate is solved, but a special machine edge wrapping process is adopted, a production line is required to be built corresponding to a vehicle door, the flexibility of the vehicle door production line is affected, and additional equipment investment is increased.

Disclosure of Invention

The utility model aims to provide a vehicle door water trimming welding device which can be arranged on an existing vehicle door leading-out welding splicing table, has a compact structure, is small, exquisite and portable, solves the problem that welding spots are blocked by a vehicle door B column/C column inner plate, does not need to adopt a special machine edging process, ensures the beat output of a production line, improves the flexibility of a vehicle door production line and does not need additional equipment investment.

The utility model further aims at providing a car door leading-out welding jig.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the utility model, there is provided a vehicle door trim welding device comprising a mounting frame, a clamp mechanism and a single-sided welding tongs, wherein a fixed positioning block is arranged at the upper end of the mounting frame, the clamp mechanism comprises a clamp and a first driving device, the clamp is movably arranged on the mounting frame, the first driving device is fixedly connected on the mounting frame and connected with the clamp so as to drive the clamp and the fixed positioning block to clamp the vehicle door trim together, the single-sided welding tongs comprise a second driving device arranged on the mounting frame and a welding part arranged on the second driving device, and the second driving device is configured to drive the welding part to be abutted against the vehicle door trim.

According to an embodiment of the utility model, the welding part comprises a cable joint, an electrode rod and an electrode cap, wherein the cable joint is arranged on the second driving device, one end of the electrode rod is arranged on the cable joint, the electrode cap is arranged on the other end of the electrode rod, and the electrode cap is configured for welding the water trimming of the vehicle door.

According to one embodiment of the utility model, the fixture comprises a fixed positioning block, a swing arm and a movable positioning block, wherein the fixed positioning block is fixedly connected to the upper end of the mounting frame, one end of the lower portion of the swing arm is movably connected with the upper portion of the mounting frame, the other end of the lower portion of the swing arm is hinged with the first driving device, the movable positioning block is fixedly connected to the upper end of the swing arm, and when the first driving device drives the swing arm upwards, the swing arm drives the movable positioning block and the fixed positioning block to clamp the water trimming of the vehicle door together.

According to one embodiment of the utility model, the movable positioning block is provided with a protruding part extending horizontally, and when welding, the protruding part is positioned above the welding part and is abutted with the upper surface of the water trimming at the welding position of the vehicle door.

According to an embodiment of the utility model, the clamp further comprises a hinge, one end of the hinge is movably connected with the upper portion of the mounting frame, and the other end of the hinge is hinged with one end of the lower portion of the swing arm.

According to an embodiment of the utility model, the hinge is H-shaped.

According to one embodiment of the utility model, the single-sided welding tongs further comprises a mounting seat, one end of the mounting seat is vertically fixedly connected to the side part of the second driving device, and the other end of the mounting seat is fixedly connected to the mounting frame at an angle.

According to an embodiment of the utility model, the first driving means and the second driving means are both cylinder driving means.

According to another aspect of the utility model, a car door leading-out welding splicing table is provided, and comprises a base, a copper bar, a welding controller and at least one car door water trimming welding device, wherein the lower end of a mounting frame is fixedly connected to the base, and a welding part is electrically connected with the welding controller through the copper bar.

According to an embodiment of the present utility model, the present utility model further comprises at least one puppet single-sided electrode holder device, wherein the puppet single-sided electrode holder device is mounted on the base and electrically connected to the welding controller through the copper bar.

One embodiment of the present utility model has the following advantages or benefits:

according to the vehicle door water trimming welding device, the lower end of the mounting frame is fixedly connected to the base of the existing vehicle door leading-out welding splicing table, and the welding part is connected with a welding circuit. When welding is needed, the car door is placed and positioned on a tool for leading out the welding splicing table from the car door, and the upper end of the fixed positioning block is abutted with the lower end face of the water trimming edge of the car door. The first driving device drives the clamp to be abutted against the upper end face of the door water trimming edge, and at the moment, the clamp and the fixed positioning block clamp and position the door water trimming edge together. The second driving device drives the welding part to be abutted against the lower end face of the water trimming and welds the water trimming and the vehicle door outer plate together. The welding device is compact in structure, small, exquisite and portable, solves the problem that a welding spot is blocked by the inner plate of the B column/C column of the vehicle door and cannot be welded by a common welding tongs, does not need to adopt a special machine edging process, ensures beat output of a production line, improves flexibility of the production line of the vehicle door, and does not need additional equipment investment.

Drawings

The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a perspective view of a door trim welding apparatus according to an exemplary embodiment.

FIG. 2 is a perspective view of a door exit weld panel according to an exemplary embodiment.

Fig. 3 is a schematic view showing a state in which a water trim welding apparatus welds a water trim according to an exemplary embodiment.

Fig. 4 is another schematic view showing a state in which a water trim welding apparatus welds a water trim according to an exemplary embodiment.

Wherein reference numerals are as follows:

1. a mounting frame; 11. fixing the positioning block; 12. a first bracket; 13. a second bracket; 2. a clamp mechanism; 21. a clamp; 211. swing arms; 212. a movable positioning block; 2121. a boss; 213. a hinge; 22. a first driving device; 3. unilateral welding tongs; 31. a second driving device; 32. a welding part; 321. a cable joint; 322. an electrode rod; 323. an electrode cap; 33. a mounting base; 4. a base; 5. a copper bar; 6. a welding controller; 7. puppet's unilateral electrode holder device.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.

As shown in fig. 1 to 4, a vehicle door water trimming welding device according to an embodiment of the present utility model includes a mounting frame 1, a clamp mechanism 2, and a single-sided welding tongs 3.

The upper end of the mounting frame 1 is provided with a fixed positioning block 11, preferably, the mounting frame 1 comprises a first bracket 12 and a second bracket 13, the second bracket 13 is fixedly connected with the first bracket 12, and the fixed positioning block 11 is arranged at the upper end of the first bracket 12.

The clamp mechanism 2 comprises a clamp 21 and a first driving device 22, wherein the clamp 21 can be movably arranged on the first bracket 12, and the first driving device 22 is fixedly connected to the first bracket 12 and connected with the clamp 21 so as to drive the clamp 21 and the fixed positioning block 11 to clamp the water trimming edge of the vehicle door together to prevent the displacement of the water trimming edge of the vehicle door.

The single-sided welding tongs 3 is a linear single-sided welding tongs, the single-sided welding tongs 3 comprises a second driving device 31 mounted on the second bracket 13 and a welding part 32 mounted on the second driving device 31, and the second driving device 31 is configured to drive the welding part 32 to abut against the vehicle door water trimming so as to weld the vehicle door water trimming on the vehicle door.

As shown in fig. 2 to 4, the lower end of the mounting bracket 1 is fixed to the base of a conventional door pull-out welding jig, and the welding portion 32 is electrically connected to a welding circuit.

When welding is needed, the car door is placed and positioned on a tool for leading out the welding splicing table from the car door, and the upper end of the fixed positioning block 11 is abutted with the lower end face of the water trimming edge of the car door.

The first driving device 22 drives the clamp 21 to be abutted against the upper end face of the door trim, and at this time, the clamp 21 and the fixed positioning block 11 clamp and position the door trim together.

The second driving device 31 drives the welding portion 32 to abut against the lower end face of the water trim, and welds the water trim and the door outer panel together.

After the welding is completed, the second driving device 31 drives the welding part 32 to separate from the water trimming.

The first driving device 22 drives the clamp 21 to be separated from the water trim of the vehicle door.

The welding device is compact in structure, small, exquisite and portable, solves the problem that welding spots are blocked by the inner plates of the B columns/C columns of the vehicle door, does not need to adopt a special machine edge wrapping process, not only improves the beat output of the production line, but also improves the flexibility of the production line of the vehicle door, and does not need additional equipment investment.

In a preferred embodiment of the present utility model, the weld 32 includes a cable joint 321, an electrode stem 322, and an electrode cap 323.

The cable joint 321 is mounted on the second driving device 31, and the cable joint 321 is electrically connected with a welding circuit of an existing vehicle door lead-out welding jig.

One end of the electrode rod 322 is mounted on the cable joint 321, and an electrode cap 323 is mounted on the other end of the electrode rod 322, the electrode cap 323 being configured for welding the door trim.

As shown in fig. 1 to 4, in a preferred embodiment of the present utility model, the clamp 21 includes a swing arm 211 and a movable positioning block 212, one end of a lower portion of the swing arm 211 is movably connected with an upper portion of the first bracket 12, the other end of the lower portion of the swing arm 211 is hinged with the first driving device 22, the movable positioning block 212 is fixedly connected to an upper end portion of the swing arm 211, and when the first driving device 22 drives the swing arm 211 upward, the swing arm 211 drives the movable positioning block 212 and the fixed positioning block 11 to clamp the trimming of the door. When the first driving device 22 drives the swing arm 211 downward, the movable positioning block 212 is away from the fixed positioning block 11.

In a preferred embodiment of the utility model, as shown in fig. 1, the movable positioning block 212 is provided with a protruding part 2121 extending horizontally, and when welding, the protruding part 2121 is located above the welding part 32 and respectively abuts against the upper surface and the lower surface of the water trimming edge of the vehicle door, and the protruding part 2121 is used for limiting the single-side welding tongs 3, reacting the welding pressure and avoiding the deformation of the water trimming edge.

As shown in fig. 1, in a preferred embodiment of the present utility model, the clamp 21 further includes a hinge 213, a lower end of the hinge 213 is movably connected to an upper portion of the first bracket 12, and an upper end of the hinge 213 is hinged to one end of a lower portion of the swing arm 211. Because the connection mode at both ends of the hinge 213 is hinged, a double-hinge-point rotating mechanism is formed, so that the upper support of the water trimming welding spot can move in a very small space, and the problem of insufficient space of the welding spot support end is solved.

In a preferred embodiment of the present utility model, as shown in fig. 1, the hinge 213 is H-shaped, and the H-shaped hinge 213 has an effect of facilitating the installation of the structural strength of the case.

In a preferred embodiment of the present utility model, as shown in fig. 1, the single-sided welding tongs 3 further includes a mounting base 33, one end of the mounting base 33 is vertically fixed to a side of the second driving device 31, and the other end of the mounting base 33 is fixed to the second bracket 12 at a welding angle.

In a preferred embodiment of the utility model, both the first drive 22 and the second drive 31 are cylinder drives. Of course, the first driving device 22 and the second driving device 3 are not limited to be cylinder driving devices, and those skilled in the art can select a driving method according to actual needs.

As shown in fig. 2 to 4, the utility model also provides a car door leading-out welding splicing table, which comprises a base 4, a copper bar 5, a welding controller 6 and at least one car door water trimming welding device, wherein the lower end of a mounting frame 1 is fixedly connected to the base 4, and a welding part 32 is electrically connected with the welding controller 6 through the copper bar 5.

The automobile door water trimming welding device is arranged on the automobile door leading-out welding splicing table, and is matched with the robot for trimming, so that the flexibility of a production line can be realized, and the production of multiple automobile doors in one line can be realized.

As shown in fig. 2 to 4, in a preferred embodiment of the present utility model, at least one puppet single-sided electrode holder device 7 is further included, wherein the puppet single-sided electrode holder device 7 is a common hinge type puppet electrode holder.

The puppet single-side welding tongs device 7 is arranged on the base 4 and is electrically connected with the welding controller 6 through the copper bar 5, the puppet single-side welding tongs device 7 is used for welding an outer plate and an inner plate of the automobile door, and the number of the puppet single-side welding tongs device 7 and the automobile door water trimming welding device can be selected according to actual needs.

The main working principle is as follows:

(1) mechanical movement

a, before welding: door mounting, cylinder clamping, overturning of the clamp 21 to a door water cutting position, closing of the single-side welding tongs 3, electrifying and opening of the single-side welding tongs 3.

b after welding (pick-up): welding complete- & gt the clamp 21 is far away from the water cutting position of the car door- & gt the car door is in the lower line.

(2) Current flow direction

Welding controller 6- & gt current output- & gt copper bar 5 positive pole- & gt single side welding tongs 3- & gt vehicle door outer plate- & gt puppet single side welding tongs device 7- & gt copper bar 5 negative pole- & gt welding controller 6.

The utility model fully considers the compactness of the clamp structure and the welding stability, and integrates the design.

In embodiments of the present utility model, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model and is not intended to limit the embodiment of the present utility model, and various modifications and variations can be made to the embodiment of the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims

1. A vehicle door trim welding apparatus comprising:

the mounting rack (1), the upper end of the mounting rack (1) is provided with a fixed positioning block (11),

the clamp mechanism (2) comprises a clamp (21) and a first driving device (22), wherein the clamp (21) can be movably arranged on the mounting frame (1), the first driving device (22) is fixedly connected to the mounting frame (1) and is connected with the clamp (21) so as to drive the clamp (21) and the fixed positioning block (11) to clamp the automobile door water trimming together, and

the unilateral welding tongs (3) comprise a second driving device (31) arranged on the mounting frame (1) and a welding part (32) arranged on the second driving device (31), wherein the second driving device (31) is configured to drive the welding part (32) to be abutted against the water trimming of the vehicle door.

2. The door trim welding apparatus as defined in claim 1, wherein the welding portion (32) includes a cable joint (321), an electrode rod (322), and an electrode cap (323), the cable joint (321) being mounted on the second driving device (31), one end of the electrode rod (322) being mounted on the cable joint (321), the electrode cap (323) being mounted on the other end of the electrode rod (322), the electrode cap (323) being configured for welding the door trim.

3. The device for welding the trimming edge of the vehicle door water according to claim 1, wherein the clamp (21) comprises a swing arm (211) and a movable positioning block (212), one end of the lower part of the swing arm (211) is movably connected with the upper part of the mounting frame (1), the other end of the lower part of the swing arm (211) is hinged with the first driving device (22), the movable positioning block (212) is fixedly connected to the upper end part of the swing arm (211), and when the first driving device (22) drives the swing arm (211) upwards, the swing arm (211) drives the movable positioning block (212) and the fixed positioning block (11) to clamp the trimming edge of the vehicle door water together.

4. A door trim welding apparatus as defined in claim 3, wherein said movable positioning block (212) is provided with a horizontally extending boss (2121), said boss (2121) being located above said welded portion (32) when welded, and said boss (2121) and said welded portion (32) being abutted against upper and lower surfaces of the door trim, respectively.

5. A door trim welding apparatus as defined in claim 3, wherein the clamp (21) further comprises a hinge (213), one end of the hinge (213) being movably connected to the upper portion of the mounting bracket (1), the other end of the hinge (213) being hinged to one end of the lower portion of the swing arm (211).

6. The door trim welding apparatus as defined in claim 5, wherein said hinge (213) is H-shaped.

7. The vehicle door water trimming welding device according to claim 1, wherein the single-sided welding tongs (3) further comprises a mounting seat (33), one end of the mounting seat (33) is vertically fixedly connected to the side of the second driving device (31), and the other end of the mounting seat (33) is fixedly connected to the mounting frame (1) at an angle.

8. The door trim welding apparatus as defined in any one of claims 1-7, wherein said first drive means (22) and said second drive means (31) are each cylinder drive means.

9. The car door leading-out welding jig is characterized by comprising a base (4), a copper bar (5), a welding controller (6) and at least one car door water trimming welding device according to any one of claims 1-8, wherein the lower end of the mounting frame (1) is fixedly connected to the base (4), and the welding part (32) is electrically connected with the welding controller (6) through the copper bar (5).

10. The vehicle door extraction welding jig according to claim 9, further comprising at least one puppet single-sided electrode holder device (7), said puppet single-sided electrode holder device (7) being mounted on said base (4) and electrically connected to said welding controller (6) via said copper bar (5).