A special-purpose vehicle side panel positioning and welding fixture

Abstract

The utility model discloses a special car side plate point definite welding fixture relates to the automobile manufacturing technical field, it includes the workstation for bearing side plate, and the both ends of workstation are provided with mounting seat, and the mounting seat is provided with the compacting mechanism for compacting side plate, compacting mechanism includes cylinder, support rod, presser jaw, connecting rod and push rod, and the stem body of cylinder is hinged with mounting seat, and support rod is located the top of cylinder, and the proximal end of support rod is fixedly connected with mounting seat, and presser jaw is located the top of cylinder, and the proximal end of presser jaw is provided with the pressure head, and the both ends of connecting rod are respectively hinged with the distal end of support rod, the distal end of presser jaw, and the both ends of push rod are respectively hinged with the piston rod of cylinder, the middle part of presser jaw, and the middle part of push rod still is hinged with the middle part of support rod. The utility model has safe and reliable, fast locking's positioning ability, and the operation convenience greatly promotes, and effectively reduces the labor intensity of worker and significantly improves production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically a special spot welding fixture for vehicle side panels. Background Technology

[0002] Currently, all domestic special-purpose vehicle side panels are welded using a platform. This method relies on repeated manual adjustments and positioning to ensure the correct position before manual clamping and welding. This method is not only cumbersome and slows down the production cycle, resulting in low efficiency, but also leads to high labor intensity for workers due to the handling of heavy objects and frequent manual operations. It has become a bottleneck restricting the improvement of production efficiency and working environment. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a special spot welding fixture for machine side plates, which has a safe, reliable and fast locking positioning capability, greatly improves the convenience of operation, effectively reduces the labor intensity of workers and significantly improves production efficiency.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a special edge panel spot welding fixture, comprising a worktable for supporting the edge panel, with mounting seats at both ends of the worktable, and a clamping mechanism for clamping the edge panel on the mounting seats; the clamping mechanism includes a cylinder, a support rod, a pressure claw, a connecting rod, and a push rod; the cylinder rod is hinged to the mounting seat, the support rod is located above the cylinder, and the proximal end of the support rod is fixedly connected to the mounting seat; the pressure claw is located above the cylinder, and a pressure head is provided at the proximal end of the pressure claw; the two ends of the connecting rod are respectively hinged to the distal ends of the support rod and the distal ends of the pressure claw; the two ends of the push rod are respectively hinged to the piston rod of the cylinder and the middle part of the pressure claw, and the middle part of the push rod is also hinged to the middle part of the support rod.

[0005] A further improvement is that the two mounting bases are a fixed base and a movable base, respectively. The fixed base is fixedly connected to the worktable, and the movable base can be translated along the axis of the worktable.

[0006] A further improvement is that the mounting base includes a mounting block for connecting the cylinder body and a mounting bracket for connecting the support rod.

[0007] A further improvement is made in that: the movable seat includes a heavy-duty slide rail pair of optical axis guide rail, a slider, and a movable frame; both ends of the heavy-duty slide rail pair of optical axis guide rail are respectively mounted on the worktable via connecting seats; the slider is slidably disposed on the heavy-duty slide rail pair of optical axis guide rail; the proximal end of the movable frame is fixedly connected to the slider, and the distal end of the movable frame is fixedly connected to the proximal end of the support rod.

[0008] A further improvement is that the pressure claw is provided with a waist hole, and the pressure head is adjustablely disposed within the waist hole.

[0009] A further improvement is that the pressure claw is triangular in shape.

[0010] A further improvement is that the workbench is equipped with positioning blocks for supporting the side plates.

[0011] A further improvement is that a pad that matches the side plate is provided at the top corner of the workbench.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. In this utility model, the extension and retraction of the cylinder piston rod drives the push rod and connecting rod to move, thereby realizing the pressing of the pressing claw and the pressing plate. It has a safe, reliable and fast locking positioning capability, greatly improves the convenience of operation, effectively reduces the labor intensity of workers and significantly improves production efficiency.

[0014] 2. In this utility model, by designing a movable seat and waist hole, it is possible to quickly adapt and adjust to side plates of different sizes, thereby further improving work efficiency. Attached Figure Description

[0015] Figure 1 This is a perspective view of the special edge plate spot welding fixture in the embodiment of this utility model;

[0016] Figure 2 This is a front view of the special side plate spot welding fixture in this embodiment of the utility model;

[0017] Figure 3 This is a top view of the special edge plate spot welding fixture in this embodiment of the utility model;

[0018] Figure 4 This is a side view of the special edge plate spot welding fixture in the embodiment of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure after the side plate is removed by the special side plate spot welding fixture in this embodiment of the present invention;

[0020] Figure 6 This is a front view of the clamping mechanism in an embodiment of this utility model;

[0021] Figure 7 This is a top view of the clamping mechanism in an embodiment of this utility model.

[0022] Figure label:

[0023] 1-Workbench; 11-Positioning block;

[0024] 2-Mounting base; 21-Fixed base; 211-Fixed block; 212-Fixed frame; 22-Moving base; 221-Heavy-duty slide rail pair of optical axis guide; 222-Connecting base; 223-Slider; 224-Moving frame;

[0025] 3-Clamping mechanism; 31-Cylinder; 32-Support rod; 33-Claw; 34-Connecting rod; 35-Push rod; 36-Crushing head; 37-Waist hole. Detailed Implementation

[0026] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0027] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. They should not be construed as limiting the specific protection scope of this utility model.

[0028] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0029] See Figures 1-5 As shown, this utility model embodiment provides a special spot welding fixture for machined side panels, including a worktable 1 for supporting the side panels, mounting seats 2 at both ends of the worktable 1, and a clamping mechanism 3 for clamping the side panels on the mounting seats 2; specifically, a positioning block 11 for supporting the side panels is provided on the worktable 1, and a pad adapted to the side panels is provided at the top corner of the worktable 1.

[0030] See Figures 6-7As shown, the clamping mechanism 3 includes a cylinder 31, a support rod 32, a pressure claw 33, a connecting rod 34, and a push rod 35. The cylinder 31 is hinged to the mounting base 2. The support rod 32 is located above the cylinder 31, and its proximal end is fixedly connected to the mounting base 2. The pressure claw 33 is located above the cylinder 31, and its proximal end is provided with a pressure head 36. The two ends of the connecting rod 34 are respectively hinged to the distal ends of the support rod 32 and the distal ends of the pressure claw 33. The two ends of the push rod 35 are respectively hinged to the piston rod of the cylinder 31 and the middle part of the pressure claw 33, and the middle part of the push rod 35 is also hinged to the middle part of the support rod 32. The pressure claw 33 is provided with a waist hole 37, and the pressure head 36 is adjustablely disposed in the waist hole 37. The pressure claw 33 is triangular in shape.

[0031] See Figure 5 As shown, the two mounting bases 2 are a fixed base 21 and a movable base 22, respectively. The fixed base 21 is fixedly connected to the worktable 1, and the movable base 22 can be translated along the axial direction of the worktable 1. Specifically, the fixed base 21 includes a fixing block 211 for connecting the cylinder body of the cylinder 31 and a fixing frame 212 for connecting the support rod 32. The movable base 22 includes a heavy-duty optical axis guide rail pair 221, a slider 223, and a movable frame 224. Both ends of the heavy-duty optical axis guide rail pair 221 are respectively mounted on the worktable 1 through the connecting base 222; the slider 223 is slidably disposed on the heavy-duty optical axis guide rail pair 221; the proximal end of the movable frame 224 is fixedly connected to the slider 223, and the distal end of the movable frame 224 is fixedly connected to the proximal end of the support rod 32.

[0032] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions made using techniques known in the art based on this utility model all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A special-purpose welding fixture for positioning a side panel of a vehicle, comprising a worktable (1) for carrying the side panel, characterized in that: The workbench (1) is provided with mounting bases (2) at both ends, and the mounting bases (2) are provided with clamping mechanisms (3) for clamping the side plates; the clamping mechanism (3) includes a cylinder (31), a support rod (32), a clamping claw (33), a connecting rod (34), and a push rod (35). The rod of the cylinder (31) is hinged to the mounting base (2). The support rod (32) is located above the cylinder (31), and the proximal end of the support rod (32) is fixedly connected to the mounting base (2); The pressure claw (33) is located above the cylinder (31), and a pressure head (36) is provided at the proximal end of the pressure claw (33). The two ends of the connecting rod (34) are respectively hinged to the far end of the support rod (32) and the far end of the pressure claw (33); The two ends of the push rod (35) are respectively hinged to the piston rod of the cylinder (31) and the middle part of the pressure claw (33), and the middle part of the push rod (35) is also hinged to the middle part of the support rod (32).

2. The special purpose vehicle side skirt point weld fixture of claim 1, wherein: The two mounting bases (2) are a fixed base (21) and a movable base (22), respectively. The fixed base (21) is fixedly connected to the worktable (1), and the movable base (22) can be translated along the axis of the worktable (1).

3. The special purpose vehicle side skirt point weld fixture of claim 2, wherein: The mounting base (21) includes a mounting block (211) for connecting the cylinder body of the cylinder (31) and a mounting bracket (212) for connecting the support rod (32).

4. The special edge plate spot welding fixture according to claim 2, characterized in that: The movable seat (22) includes a heavy-duty slide rail pair (221), a slider (223), and a movable frame (224); the two ends of the heavy-duty slide rail pair (221) are respectively mounted on the workbench (1) through connecting seats (222); the slider (223) is slidably disposed on the heavy-duty slide rail pair (221); the proximal end of the movable frame (224) is fixedly connected to the slider (223), and the distal end of the movable frame (224) is fixedly connected to the proximal end of the support rod (32).

5. The special edge plate spot welding fixture according to claim 1, characterized in that: The pressure claw (33) is provided with a waist hole (37), and the pressure head (36) is adjustablely disposed in the waist hole (37).

6. The special edge plate spot welding fixture according to claim 1, characterized in that: The pressure claw (33) is triangular in shape.

7. The special edge plate spot welding fixture according to claim 1, characterized in that: The workbench (1) is provided with a positioning block (11) for supporting the side plate.

8. The special edge plate spot welding fixture according to claim 1, characterized in that: The workbench (1) is provided with a pad at the top corner that is compatible with the side plate.

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