A welding presser device and welding machine system

Abstract

This utility model relates to a welding clamping device and a welding machine system. The welding clamping device is used to clamp a camera bracket to be welded onto the outer panel of a tailgate. It includes a frame; a clamping claw base plate retractably disposed below the frame; a plurality of clamping components disposed on the clamping claw base plate; and a driving component disposed on the frame for driving the clamping claw base plate to move up and down. Each clamping component includes a clamping claw arm with one end mounted on the clamping claw base plate and a conforming clamping claw disposed at the other end of the clamping claw arm for clamping the camera bracket. The welding machine system also includes a welding torch for welding the camera bracket onto the outer panel of the tailgate. Compared with the prior art, the welding machine system of this utility model can achieve clamping and simultaneous welding of the camera bracket in a confined space.

Description

Technical Field

[0001] This utility model relates to the field of automobile production technology, and in particular to a welding clamping device and welding machine system. Background Technology

[0002] In the current automotive market, sedans and SUVs are generally equipped with rear-view camera functions, and the cameras for these cameras are mostly mounted on camera brackets. The camera bracket in a plastic tailgate is welded to the outer panel of the tailgate using a welding machine. To ensure that the electronic components inside the tailgate do not leak water, the camera bracket needs to meet watertight requirements. The sealing performance of the bracket relies on the sealing foam on it. Considering the assembly requirements and the special structure of the camera bracket, it is necessary to design a device that can both compress and bond the foam and simultaneously perform welding, thereby avoiding the problem of foam springback during welding.

[0003] A key challenge is achieving simultaneous clamping and welding of camera brackets within confined spaces. CN219703987U discloses a welding clamping mechanism, comprising an integrated bracket unit and a welding unit mounted on the lower end of the integrated bracket unit. A pressing unit is mounted on the integrated bracket unit, with its output end facing the welding unit. This mechanism uses the output end of the pressing unit on the integrated bracket unit to press and fix the welding unit mounted on the lower end of the integrated bracket unit, facilitating welding. While this device can clamp workpieces during electric welding on a robotic workstation, preventing slag spatter, it only provides a simple clamping function and relies on a pressure head for clamping. It cannot achieve simultaneous clamping and welding in confined spaces. Furthermore, this mechanism is unsuitable for welding and clamping plastic parts such as camera brackets, and it cannot achieve full-fit clamping of the bracket using a contoured structure. This means it cannot guarantee tight clamping of the foam during welding, nor can it perform ultrasonic welding while clamping one side of the bracket.

[0004] Therefore, a new type of clamping device and a corresponding welding machine system still need to be developed for the synchronous clamping and welding of automotive parts in confined spaces. Utility Model Content

[0005] The purpose of this invention is to provide a welding clamping device and welding machine system for the synchronous clamping and welding of automotive parts in a confined space.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] This utility model first provides a welding clamping device for clamping a camera bracket to be welded onto the outer panel of a tailgate. The welding clamping device includes: a frame; a clamping claw base plate retractably disposed below the frame; a plurality of clamping components disposed on the clamping claw base plate; and a driving component disposed on the frame for driving the clamping claw base plate to move up and down. Each clamping component includes a clamping claw arm with one end mounted on the clamping claw base plate and a conforming clamping claw disposed at the other end of the clamping claw arm for clamping the camera bracket.

[0008] Furthermore, the frame includes a pair of side plates and a base plate disposed between the side plates.

[0009] Furthermore, the pressure claw base plate is arranged parallel to the bottom of the base plate.

[0010] Furthermore, the driving component includes a fixed part and a telescopic part connected to the fixed part.

[0011] Furthermore, the fixing part is mounted on the base plate, and the end of the telescopic part is connected to the pressure claw base plate.

[0012] Furthermore, a sliding guide post is provided between the base plate and the pressure claw base plate.

[0013] Furthermore, the sliding guide post includes a fixed post disposed on the base plate, a guide post connected to the fixed post and extending downward, and a sleeve post disposed on the base plate of the pressure claw and capable of sliding up and down along the guide post.

[0014] Furthermore, there are four sets of sliding guide columns.

[0015] Furthermore, four sets of sliding guide columns are evenly distributed at the four corners of the base plate and the pressure claw base plate.

[0016] Furthermore, the pressure claw arm is a long, rod-shaped structure.

[0017] Furthermore, the contouring pressure claw has a quadrilateral plate-like structure.

[0018] Furthermore, the pressure claw arm is connected to the side of the contour pressure claw near the bottom plate and to the area near the top edge of the contour pressure claw, and the camera bracket can be closely attached to the area near the bottom edge of the contour pressure claw.

[0019] Furthermore, the contouring pressure claws are arranged in a staggered manner, and the contouring pressure claws as a whole are adapted to the outer contour of the camera bracket.

[0020] Furthermore, some of the described contouring pressure claws also have gaps that can be used for welding.

[0021] This utility model also provides a welding machine system including a welding clamping device, the welding machine system further including a welding torch, the welding torch being used to weld the camera bracket to be welded onto the outer panel of the tailgate.

[0022] Furthermore, the frame of the welding clamping device is connected to an upper frame, and both the upper frame and the frame are equipped with welding torch drive cylinders for driving the welding torch to move.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) The welding clamping device of this utility model can drive the pressure claw base plate to move up and down through the driving component, thereby accurately positioning the camera bracket to be welded in the narrow space of the tailgate outer panel, and pressing the camera bracket to be welded against the tailgate outer panel through the contour pressure claw, so as to facilitate synchronous welding.

[0025] (2) The contour-following pressure claws of this utility model are ingeniously designed and staggered, adapting to the irregular outer contour of the camera bracket. They can achieve full-fit compression of the camera bracket according to the contour structure, ensuring the adhesion of the foam and double-sided tape to the tailgate outer panel during welding, thereby ensuring the watertightness and dimensional matching requirements of the camera bracket. The shape-matching characteristics of the contour-following pressure claws reduce the risk of workpiece placement errors, making them particularly suitable for the assembly of high-precision automotive parts such as camera brackets.

[0026] (3) The welding machine system of this utility model can realize the simultaneous execution of camera bracket clamping and welding by integrating welding clamping device and welding gun, thereby ensuring the fit between foam and double-sided tape and tailgate outer panel during welding, thus ensuring the water tightness and size matching requirements of camera bracket.

[0027] (4) The welding machine system of this utility model that synchronizes pressing and welding can be applied to the welding production of bracket parts such as car tailgate camera brackets and tailgate outer panels. In the narrow construction space of the tailgate outer panel, the synchronous pressing and welding of such bracket parts can be realized, thereby ensuring the fit of the sealing foam and double-sided tape, thus meeting the water tightness performance requirements and matching size requirements of the camera bracket, effectively solving the problem of poor bracket pressing caused by foam rebound during welding, that is, effectively avoiding rework of welded workpieces and reducing the defect rate. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the welding and pressing device of this utility model.

[0029] Figure 2 This is a schematic diagram showing the positions of the pressing and welding in this utility model.

[0030] Figure 3 This is a schematic diagram of the structure of the pressure claw base plate and the clamping assembly of this utility model.

[0031] Figure 4 This is a schematic diagram showing the cooperation between the clamping component and the welding gun of this utility model.

[0032] Figure 5 This is a schematic diagram of the welding machine system of Embodiment 4 of this utility model.

[0033] Figure 6 This is a schematic diagram of the welding machine system of Embodiment 5 of this utility model.

[0034] Explanation of markings in the diagram:

[0035] 1-Camera bracket;

[0036] 2-Tailgate outer panel;

[0037] 3-Frame, 31-Side plate, 32-Base plate, 33-Upper frame;

[0038] 4-Claw base plate;

[0039] 5-Clamping assembly, 51-Clamping claw arm, 52-Contouring clamping claw;

[0040] 6-Drive component, 61-Fixing part, 62-Telescopic part;

[0041] 7-Sliding guide post, 71-Fixed post, 72-Guide post, 73-Sleeve post;

[0042] 8-Welding torch;

[0043] 9- Welding torch drive cylinder. Detailed Implementation

[0044] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. This embodiment is based on the technical solution of the present invention and provides detailed implementation methods and specific operating procedures; however, the scope of protection of the present invention is not limited to the following embodiments.

[0045] In this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0046] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0047] Example 1:

[0048] This embodiment provides a welding clamping device for clamping the camera bracket 1 to be welded onto the tailgate outer panel 2. For example... Figure 1-2 As shown, the welding clamping device in this embodiment specifically includes a frame 3, a clamping claw base plate 4, a clamping assembly 5, and a driving component 6.

[0049] In this embodiment, the pressure claw base plate 4 is telescopically disposed below the frame 3, and several clamping components 5 are disposed on the pressure claw base plate 4. The driving component 6 is disposed on the frame 3 and is used to drive the pressure claw base plate 4 to move up and down below the frame 3.

[0050] In this embodiment, the clamping assembly 5 includes a clamping arm 51 with one end mounted on the clamping claw base plate 4 and a contour clamping claw 52 disposed at the other end of the clamping claw arm 51 for clamping the camera bracket 1.

[0051] In this embodiment, the welding clamping device can drive the pressure claw base plate 4 to move up and down through the driving component 6, thereby enabling precise positioning of the camera bracket 1 to be welded in the narrow space of the tailgate outer panel 2. Through the cooperation of the pressure claw arm 51 and the contouring pressure claw 52, ​​the camera bracket 1 to be welded is pressed tightly against the tailgate outer panel 2, which facilitates subsequent welding.

[0052] Example 2:

[0053] This embodiment provides a welding clamping device for clamping a camera bracket 1 onto the tailgate outer panel 2. The welding clamping device of this embodiment includes a frame 3, a clamping claw base plate 4, a clamping assembly 5, and a driving component 6.

[0054] The difference from Embodiment 1 is that the frame 3 in this embodiment includes a pair of side plates 31 and a bottom plate 32 disposed between the side plates 31, and the pressure claw bottom plate 4 is disposed parallel to the bottom of the bottom plate 32.

[0055] The driving component 6 in this embodiment includes a fixed part 61 and a telescopic part 62 connected to the fixed part 61. The fixed part 61 is mounted on the base plate 32, and the end of the telescopic part 62 is connected to the pressure claw base plate 4. The driving component 6 in this embodiment can be selected from commonly used driving components such as cylinders, hydraulic cylinders, and drive motors.

[0056] In this embodiment, a sliding guide post 7 is provided between the base plate 32 and the pressure claw base plate 4. There are four sets of sliding guide posts 7, which are evenly distributed at the four corners of the base plate 32 and the pressure claw base plate 4, which can greatly increase the overall stability of the guiding structure.

[0057] In this embodiment, each sliding guide post 7 includes a fixed post 71 disposed on the base plate 32, a guide post 72 connected to the fixed post 71 and extending downward, and a sleeve post 73 disposed on the pressure claw base plate 4 and capable of sliding up and down along the guide post 72. Throughout the entire up and down movement stroke, part of the guide post 72 is always located within the sleeve post 73, thus realizing the guiding and limiting functions of the entire sliding guide post 7.

[0058] Example 3:

[0059] This embodiment provides a welding clamping device for clamping a camera bracket 1 onto the tailgate outer panel 2. The welding clamping device of this embodiment includes a frame 3, a clamping claw base plate 4, a clamping assembly 5, and a driving component 6.

[0060] The difference from Example 1 is that, as Figure 3-4 As shown, in this embodiment, the pressure claw arm 51 is a long, rod-shaped structure, and the contouring pressure claw 52 is a quadrilateral plate-shaped structure. The pressure claw arm 51 and the contouring pressure claw 52 are connected by bolts, and the other end of the pressure claw arm 51 is also connected to the pressure claw base plate 4 by bolts. The pressure claw arm 51 is connected to the side of the contouring pressure claw 52 near the pressure claw base plate 4 and is connected to the area near the top edge of the contouring pressure claw 52. The camera bracket 1 is in close contact with the area near the bottom edge of the contouring pressure claw 52.

[0061] In this embodiment, several sets of contour-following clamps 52 are arranged in a staggered manner. The contour-following clamps 52 are adapted to the irregular outer contour of the camera bracket 1, and can achieve full-fit clamping of the camera bracket 1 according to the contour structure. This ensures the adhesion between the foam and double-sided tape and the tailgate outer panel 2 during welding, thereby guaranteeing the watertight performance and dimensional matching requirements of the camera bracket 1. The shape matching characteristics of the contour-following clamps 52 can reduce the risk of workpiece placement errors, and are especially suitable for the assembly of high-precision automotive parts such as the camera bracket 1.

[0062] In this embodiment, there are gaps between some of the contouring claws 52 for welding. By matching the gaps, the welding torch 8 can weld the camera bracket 1.

[0063] Example 4:

[0064] This embodiment provides a welding machine system that allows for simultaneous clamping and welding, such as... Figure 5 As shown, the welding machine system in this embodiment includes a welding clamping device and a welding torch 8.

[0065] The welding clamping device in this embodiment can be specifically referred to in Embodiment 1. In this embodiment, the welding torch 8 of the welding machine system is arranged side by side along the length of the camera bracket 1.

[0066] Example 5:

[0067] This embodiment provides a welding machine system that simultaneously performs clamping and welding, including a welding clamping device and a welding torch 8. The difference from Embodiment 4 is that, as... Figure 6 As shown, the frame 3 of the welding clamping device in this embodiment is connected to the upper frame 33. Both the upper frame 33 and the base plate 32 of the frame 3 are provided with welding gun driving cylinders 9 for driving the welding gun 8 to move. The welding gun driving cylinders 9 drive the welding gun 8 to extend into the narrow space of the tailgate outer plate 2 for welding, and drive the welding gun 8 away after the welding is completed.

[0068] In this embodiment, the welding clamping device and the welding torch 8 can be integrated together by the integral connection of the frame 3 and the upper frame 33, realizing the integration of clamping and welding functions.

[0069] Example 6:

[0070] The purpose of this embodiment is to provide a welding machine system that simultaneously presses and welds the camera bracket 1 onto the tailgate outer panel 2. The camera bracket 1 is the automotive part to be welded, a plastic bracket used for mounting a reversing camera. The tailgate outer panel 2 is the main body of the production process; it is placed on the equipment's membrane, and sealing foam is attached to the camera bracket. After welding, it is then bonded to the tailgate outer panel to achieve a sealing function. An ultrasonic welding torch 8 is used to weld the parts.

[0071] The welding system in this embodiment includes a clamping unit and a welding unit, which are independently controlled but work together. The clamping unit is the welding clamping device referred to in this embodiment, and is a mechanical structural component. The welding system in this embodiment enables simultaneous clamping and welding of the camera bracket, thereby ensuring the adhesion of the foam and double-sided tape to the tailgate outer panel during welding, thus guaranteeing the watertightness and dimensional matching requirements of the camera bracket.

[0072] The clamping unit in this embodiment mainly consists of a frame 3, an upper frame 33, a base plate 32, clamping components 5, a cylinder (i.e., a drive component 6), a clamping claw base plate 4, and sliding guide columns 7. The clamping components 5 in this embodiment consist of five sets, each including a clamping claw arm 51 and a contouring clamping claw 52. The clamping claw arm 51 and the contouring clamping claw 52 are connected by bolts, and the other end of the clamping claw arm 51 is also connected to the clamping claw base plate 4 by bolts. The contouring clamping claws 52 are all mounted on the clamping claw arm 51 and connected to the clamping claw base plate 4 via the clamping claw arm 51. The clamping claw base plate 4 is connected to the base plate 32 via four sets of sliding guide columns 7 and a cylinder, allowing the cylinder to move the clamping claw base plate 4 up and down, thus realizing the up and down movement of the five sets of clamping components 5. During workpiece production, the clamping unit can clamp and release the camera bracket 1 through the extension and retraction of the cylinder.

[0073] like Figure 4 As shown, within the narrow installation space of the tailgate outer panel, the welding torch 8, the contour clamp 52, and the clamp arm 51 are matched together. The contour clamp 52 is located inside the welding torch 8, and through the engagement gap of the contour clamp 52, the welding torch 8 performs the welding action on the camera bracket. With the cooperation of the welding mechanism, the function of simultaneously clamping and welding can be achieved.

[0074] When the clamping unit in this embodiment is working, driven by the cylinder and with the reverse movement of the diaphragm, the contouring claw 52 can act in the opposite direction relative to the outer plate, that is, apply a reverse pulling force to the camera bracket 1, thereby achieving the clamping effect of the camera bracket 1. After the clamping and welding are completed, the entire clamping unit and welding unit move upward, and the welding torch 8 and the contouring claw 52 are pulled out from the welded narrow space, so that the tailgate outer plate 2 can be returned to its original position without any interference with the clamping welding machine device.

[0075] The welding system of this embodiment, which integrates clamping and welding, can be applied to the welding production of bracket parts such as the tailgate camera bracket 1 and the tailgate outer panel 2. In the narrow working space of the tailgate outer panel 2, the clamping unit and welding unit work together to clamp bracket parts such as the camera bracket 1 simultaneously with or before welding. This enables synchronous clamping and welding of these bracket parts, ensuring the adhesion of the sealing foam and double-sided tape. This satisfies the watertightness and dimensional requirements of the camera bracket 1, effectively solving the problem of poor bracket clamping caused by foam rebound during welding, thereby effectively avoiding rework and reducing the defect rate.

[0076] The above description of the embodiments is provided to enable those skilled in the art to understand and use the utility model. It will be apparent to those skilled in the art that various modifications can be easily made to these embodiments, and the general principles described herein can be applied to other embodiments without inventive effort. Therefore, the present utility model is not limited to the above embodiments, and any improvements and modifications made by those skilled in the art based on the disclosure of the present utility model without departing from its scope should be within the protection scope of the present utility model.

Claims

1. A welding press device for pressing a camera bracket (1) to be welded on a tailgate outer panel (2), characterized in that, The welding clamping device includes: rack (3); The pressure claw base plate (4) is retractably located below the frame (3); Several clamping components (5) are provided on the base plate (4) of the clamping claw; A drive unit (6) is mounted on the frame (3) and used to drive the pressure claw base plate (4) to move up and down; Each of the clamping components (5) includes a clamping arm (51) with one end mounted on the clamping claw base plate (4) and a contour clamping claw (52) located at the other end of the clamping claw arm (51) for clamping the camera bracket (1).

2. A welding hold-down device according to claim 1, wherein The frame (3) includes a pair of side plates (31) and a base plate (32) disposed between the side plates (31), and the pressure claw base plate (4) is disposed parallel to the bottom of the base plate (32).

3. A welding hold-down device according to claim 2, wherein The driving component (6) includes a fixed part (61) and a telescopic part (62) connected to the fixed part (61); The fixing part (61) is installed on the base plate (32), and the end of the telescopic part (62) is connected to the pressure claw base plate (4).

4. A welding hold-down device as defined in claim 2, wherein, A sliding guide post (7) is provided between the base plate (32) and the pressure claw base plate (4).

5. A welding press according to claim 4, wherein The sliding guide post (7) includes a fixed post (71) disposed on the base plate (32), a guide post (72) connected to the fixed post (71) and extending downward, and a sleeve post (73) disposed on the pressure claw base plate (4) and capable of sliding up and down along the guide post (72).

6. A welding press according to claim 4, wherein, The sliding guide post (7) is provided in four sets, and the four sets of sliding guide posts (7) are evenly distributed at the four corners of the base plate (32) and the pressure claw base plate (4).

7. A welding hold-down device as defined in claim 1 wherein, The pressure claw arm (51) is a long strip rod-shaped structure, and the contour pressure claw (52) is a quadrilateral plate-shaped structure; The pressure claw arm (51) is connected to the side of the contour pressure claw (52) near the pressure claw base plate (4) and is connected to the area near the top edge of the contour pressure claw (52). The camera bracket (1) can be closely attached to the area near the bottom edge of the contour pressure claw (52).

8. The welding clamping device according to claim 1, characterized in that, The contouring claws (52) are arranged in a staggered manner, and the contouring claws (52) are adapted to the outer contour of the camera bracket (1). Some of the contouring claws (52) also have gaps for welding.

9. A welding system comprising the welding pressure device according to any one of claims 1 to 8, characterized in that The welding system also includes a welding torch (8), which is used to weld the camera bracket (1) to be welded onto the tailgate outer panel (2).

10. The welder system of claim 8, wherein, The frame (3) of the welding clamping device is connected to an upper frame (33), and both the upper frame (33) and the frame (3) are equipped with welding gun drive cylinders (9) for driving the welding gun (8) to move.

Images