Rear vehicle door assembly welding pneumatic device

Abstract

The utility model discloses a rear vehicle door assembly welding pneumatic device which comprises a base support, and a rear vehicle door support used for supporting and erecting a rear vehicle door assembly is connected to the base support. An up-down push-pull type pneumatic clamp with the power output end moving up and down is connected to the center of the upper portion of the rear vehicle door support, pneumatic pressing clamps with the power output end moving front and back are connected to the left side and the right side of the rear vehicle door support, and a left-right push-pull type pneumatic clamp with the power output end moving left and right is connected to the left side or the right side of the rear vehicle door support. According to the clamping device, the rear vehicle door assembly can be conveniently clamped and fixed, it can be guaranteed that the clamping force is consistent every time, the consistency of product quality is improved, the labor intensity of workers is effectively reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding of the rear door assembly of an electric tricycle, and particularly relates to a pneumatic device for welding the rear door assembly. Background Art

[0002] The conventional welding method for the rear door assembly of an electric tricycle is to manually clamp and fix the welding parts. Since the rear door assembly of the electric tricycle is relatively heavy, the labor intensity of workers during the welding process is relatively large, the production efficiency is relatively low, and defects such as insufficient clamping and excessive clamping are likely to occur, thus unable to ensure the consistency of product quality. In this way, unnecessary difficulties will be caused to the subsequent assembly. Content of the Utility Model

[0003] The purpose of the utility model is to provide a pneumatic device for welding the rear door assembly, which is convenient for clamping and fixing the rear door assembly, can ensure that the clamping force is consistent each time, improve the consistency of product quality, effectively reduce the labor intensity of workers, and improve the production efficiency.

[0004] To achieve the above purpose, the pneumatic device for welding the rear door assembly of the utility model includes a base bracket, and a rear door support for supporting the rear door assembly is connected to the base bracket.

[0005] Above the rear door support, a vertical and horizontal push-pull pneumatic clamp with an up-and-down moving power output end is centrally connected. Pneumatic clamping clamps with a front-and-back moving power output end are connected to both the left and right sides of the rear door support, and a left-and-right push-pull pneumatic clamp with a left-and-right moving power output end is connected to either the left or right side of the rear door support.

[0006] As a further scheme of the utility model: a first switch, a second switch, and a third switch are connected to the base bracket. The first switch, the second switch, and the third switch are respectively connected to different interfaces of the same four-way joint through pipelines, and the first switch, the second switch, and the third switch are respectively connected to control the pneumatic clamping clamp, the vertical and horizontal push-pull pneumatic clamp, and the left-and-right push-pull pneumatic clamp through air pipes.

[0007] As a further scheme of the utility model: a cushion block for controlling the inclination angle of the rear door support is connected between the bottom of the rear door support and the base bracket, and the upper part of the rear side of the rear door support is connected to the base bracket through a reinforcing rib.

[0008] As a further scheme of the utility model: main support blocks are symmetrically arranged on the front side of the bottom of the rear door support, limits are arranged on both sides of the top of the rear door support, rear corner supports are respectively arranged on both sides of the bottom of the rear door support, and a number of blocks protruding forward are distributed on the rear door support.

[0009] As a further solution of the utility model: the rear corner support includes a support column, a top block is arranged inward at the front end of the support column, and a support plate is arranged forward at the bottom of the front side of the support column to form a stepped shape.

[0010] As a further solution of the utility model: the main body support blocks are distributed corresponding to the car door hinges and are connected to the cushion blocks. A support structure matching the car door hinges is arranged at the front side of the main body support blocks, and a manual quick clamp for pressing the car door hinges is connected to the cushion blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1) The up-and-down push-pull pneumatic clamp, pneumatic pressing clamp, and left-and-right push-pull pneumatic clamp are used in cooperation with the rear door support to clamp and fix the rear door support assembly in the front, rear, left, right, up, and down directions, realizing semi-automatic control, which can ensure that the clamping force is consistent each time, improve the consistency of product quality, and greatly reduce the labor intensity of workers.

[0013] 2) The pneumatic pressing clamp, up-and-down push-pull pneumatic clamp, and left-and-right push-pull pneumatic clamp are respectively controlled by the first switch, the second switch, and the third switch, which is convenient to operate, can effectively shorten the clamping and fixing time, and improve the production efficiency. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the pneumatic device for welding the rear door assembly of the utility model.

[0015] Figure 2 It is a schematic structural diagram of the rear corner support of the pneumatic device for welding the rear door assembly of the utility model.

[0016] Figure 3 It is a schematic structural diagram of the front side view of the working state of the pneumatic device for welding the rear door assembly of the utility model.

[0017] Figure 4 It is a schematic structural diagram of the rear side view of the working state of the pneumatic device for welding the rear door assembly of the utility model.

[0018] In the figure: 1. Base bracket, 2. Air pipe, 3. Pneumatic pressing clamp, 4. Rear corner support, 5. Rear door support, 6. Reinforcing rib, 7. Up-and-down push-pull pneumatic clamp, 8. Limit, 9. Left-and-right push-pull pneumatic clamp, 10. Main body support block, 11. Cushion block, 12. Manual quick clamp, 13. Third switch, 14. Pipeline, 15. Four-way joint, 16. Second switch, 17. First switch, 18. Support structure, 19. Stop block, 20. Rear left corner, 21. Rear door panel, 22. Car door hinge, 23. Rear right corner;

[0019] 4.1. Support column, 4.2. Top block, 4.3. Support plate. Detailed implementation mode

[0020] The present utility model will be further described below in conjunction with the accompanying drawings.

[0021] As Figure 1 shown, the pneumatic device for welding the rear door assembly includes a base bracket 1, and a rear door support 5 for supporting the rear door assembly is connected to the base bracket 1;

[0022] A vertically and horizontally push-pull pneumatic clamp 7 with a power output end moving up and down is centrally connected above the rear door support 5. Pneumatic pressing clamps 3 with power output ends moving forward and backward are connected to both the left and right sides of the rear door support 5, and a left and right push-pull pneumatic clamp 9 with a power output end moving left and right is connected to either the left or right side of the rear door support 5.

[0023] By using the vertically and horizontally push-pull pneumatic clamp 7, the pneumatic pressing clamps 3, and the left and right push-pull pneumatic clamp 9, and cooperating with the rear door support 5 to clamp and fix the rear door assembly in all directions of front, back, left, right, up, and down, it can effectively ensure the consistency of the clamping force each time and improve the quality consistency of the product.

[0024] For the convenience of construction and operation, further, a first switch 17, a second switch 16, and a third switch 13 are connected to the base bracket 1. The first switch 17, the second switch 16, and the third switch 13 are respectively connected to different interfaces of the same four-way joint 15 through pipelines 14, and the first switch 17, the second switch 16, and the third switch 13 are respectively connected to control the pneumatic pressing clamp 3, the vertically and horizontally push-pull pneumatic clamp 7, and the left and right push-pull pneumatic clamp 9 through air pipes 2, and the clamping of the rear door assembly in all directions of front, back, left, right, up, and down can be completed in sequence by controlling the opening sequence of the first switch 17, the second switch 16, and the third switch 13.

[0025] To ensure the basic placement of the rear door assembly, further, a spacer block 11 for controlling the inclination angle of the rear door support 5 is connected between the bottom of the rear door support 5 and the base bracket 1, and it relies on its gravity and inclination angle to lean on the rear door support 5. The upper part of the rear side of the rear door support 5 is connected to the base bracket 1 through a reinforcing rib 6, and the reinforcing rib 6 can improve the connection stability between the rear door support 5 and the base bracket 1.

[0026] To strengthen the supporting effect on the rear door assembly and facilitate the formation of clamping in all directions of front, back, left, right, up, and down in cooperation with the vertically and horizontally push-pull pneumatic clamp 7, the pneumatic pressing clamps 3, and the left and right push-pull pneumatic clamp 9, further, main support blocks 10 are symmetrically arranged on the front side of the bottom of the rear door support 5, limiters 8 are arranged on both sides of the top of the rear door support 5, rear corner supports 4 are respectively arranged on both sides of the bottom of the rear door support 5, and a number of blocks 19 protruding forward are distributed on the rear door support 5.

[0027] Further, asFigure 2 As shown, the rear corner support 4 includes a support column 4.1. At the front end of the support column 4.1, a top block 4.2 is provided inwardly. At the bottom of the front side of the support column 4.1, a support plate 4.3 is provided forward to form a stepped shape.

[0028] Furthermore, as Figure 1 shown, the main body support block 10 is distributed corresponding to the door hinge 22 and is connected to the spacer block 11. A support structure 18 matching the door hinge 22 is provided on the front side of the main body support block 10. A manual quick clamp 12 for pressing the door hinge 22 is connected to the spacer block 11, so as to realize the overall clamping and fixing of the rear door assembly.

[0029] When the utility model is specifically used, Figure 2 、 Figure 3 The clamping and fixing effect of the rear door assembly is shown. The rear door assembly includes a rear door panel 21, a rear left corner 20, a rear right corner 23 and a door hinge 22. During operation, the rear door assembly is placed on the main body support block 10, and the door hinge 22 is placed corresponding to the support structure 18. Moreover, the rear left corner 20 and the rear right corner 23 are placed on the rear corner supports 4 on both sides. Then, the third switch 13 is activated. There are two groups of left and right push-pull pneumatic clamps 9, and the power output ends thereof move leftward to fix the rear door assembly in the left and right directions as a whole. Then, the second switch 16 is activated, and the power output end of the up and down push-pull pneumatic clamp 7 moves downward to fix the rear door assembly in the up and down directions as a whole. Then, the first switch 17 is activated, and the power output ends of the pneumatic pressing clamps 3 on both sides move backward to fix the rear door assembly in the front and rear directions as a whole. Finally, the door hinge 22 is clamped and fixed by the manual quick clamp 12, and then welding can be started.

[0030] After welding is completed, the clamping and fixing state of the rear door assembly is released in sequence, and then it can be taken out.

Claims

1. A pneumatic device for welding a rear door assembly, comprising a base bracket (1), characterized in that: The base bracket (1) is connected to a rear door support (5) for supporting and mounting a rear door assembly; A pneumatic push-pull clamp (7) for upward and downward movement of the power output end is connected in the center above the rear door support (5), a pneumatic clamp (3) for forward and backward movement of the power output end is connected to the left and right sides of the rear door support (5), and a pneumatic push-pull clamp (9) for left and right movement of the power output end is connected to the left or right side of the rear door support (5).

2. The rear door assembly welding pneumatic device according to claim 1, characterized in that: The base bracket (1) is connected to a first switch (17), a second switch (16), and a third switch (13); the first switch (17), the second switch (16), and the third switch (13) are respectively connected to different interfaces of the same four-way connector (15) through pipelines (14); the first switch (17), the second switch (16), and the third switch (13) are respectively connected to control the pneumatic clamp (3), the upper and lower push-pull pneumatic clamp (7), and the left and right push-pull pneumatic clamp (9) through air pipes (2).

3. The rear door assembly welding pneumatic device according to claim 1 or 2, characterized in that: A cushion block (11) for controlling the tilt angle of the rear door support (5) is connected between the bottom of the rear door support (5) and the base support (1); the upper rear portion of the rear door support (5) is connected to the base support (1) via a reinforcing rib (6).

4. The rear door assembly welding pneumatic device according to claim 3, characterized in that: The rear door support (5) is symmetrically provided with a main support block (10) on the front side of the bottom, limit stops (8) are provided on both sides of the top of the rear door support (5), rear corner supports (4) are provided on both sides of the bottom of the rear door support (5), and a plurality of stoppers (19) protruding toward the front are distributed on the rear door support (5).

5. The rear door assembly welding pneumatic device according to claim 4, characterized in that: The rear corner support (4) comprises a support column (4.1), a top block (4.2) is provided inwardly at the front end of the support column (4.1), and a support plate (4.3) is provided forwardly at the bottom of the front side of the support column (4.1) to form a step shape.

6. The rear door assembly welding pneumatic device according to claim 4, characterized in that: The main support block (10) is distributed corresponding to the door hinge (22) and is connected to the cushion block (11); a support structure (18) matching the door hinge (22) is provided on the front side of the main support block (10); and a manual quick clamp (12) for pressing the door hinge (22) is connected to the cushion block (11).

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