Rapid door plate positioning device

Abstract

The utility model provides a door plate quick positioning device which comprises a positioning device and a door plate, the door plate is formed by welding a workpiece A, a workpiece B and workpieces C, a through hole is formed in the middle of the workpiece A, the workpiece B is arranged at one end of the workpiece A, and the two workpieces C are arranged on the two sides of the workpiece A respectively; the positioning device comprises a mounting bottom plate, and a first positioning assembly, a second positioning assembly and a third positioning assembly which are arranged on the mounting bottom plate. The positioning device is simple in structure, the workpiece A, the workpiece B and the workpiece C are rapidly positioned, clamped or pressed sequentially through the first positioning assembly, the second positioning assembly and the third positioning assembly, the clamping stability and reliability of each workpiece are guaranteed, the concentricity and the size of a product hole position meet the expected precision requirement, and the production efficiency is improved. Therefore, the welding size precision of the door plate is ensured; and the positioning device is simple and easy to operate, the production efficiency can be improved, and the cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a door panel quick positioning device. Background Art

[0002] Welding is a commonly used method in mechanical processing to connect several independent profiles. However, if there is no reasonable positioning tool during welding, the welding quality will be extremely unstable, the profile will be difficult to position, and it will be easy to fall off.

[0003] During the door panel manufacturing process, different workpieces need to be welded to both sides and one end of the door panel frame. The traditional processing method involves laser marking the workpieces and door panel frame for positioning, and then manually aligning them based on the marked positions. This method is not only costly but also has low precision, failing to meet the concentricity and dimensional requirements of the product. Furthermore, post-weld shaping is required, increasing the cost of the door panel. Therefore, both precision and labor costs are disadvantageous for workpiece production. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a door panel rapid positioning device for solving the problem that the positioning method of laser marking in the prior art has low precision and high cost.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a door panel rapid positioning device, including a positioning device and a door panel, wherein the door panel is welded by workpiece A, workpiece B and workpiece C, a through hole is opened in the middle of the workpiece A, the workpiece B is arranged at one end of the workpiece A, and two workpieces C are respectively arranged on both sides of the workpiece A; the positioning device includes a mounting base and a first positioning assembly, a second positioning assembly and a third positioning assembly arranged thereon; the first positioning assembly is used to position the workpiece A, and the first positioning assembly includes a plurality of positioning pins and a quick clamp located at the through hole position; the second positioning assembly is used to position the workpiece B, and the second positioning assembly includes a first pressure block and a first vertical cylinder, the first pressure block is lifted and lowered under the drive of the first vertical cylinder, and the first pressure block presses the workpiece B in the longitudinal direction; the third positioning assembly is used to position the workpiece C, and the third positioning assembly includes a push cylinder, a second vertical cylinder and a second pressure block, the push cylinder is located on the outside of the workpiece C and presses the workpiece C toward the workpiece A in the horizontal direction, and the second pressure block is lifted and lowered under the drive of the second vertical cylinder, and the second pressure block presses the workpiece C in the longitudinal direction.

[0006] In one embodiment of the present invention, the through hole is rectangular, and the positioning pins are respectively disposed at the four corners of the rectangular through hole.

[0007] In one embodiment of the present invention, the number of the quick clips is four, and the four quick clips are distributed in a cross shape on the mounting base and are located in the through holes.

[0008] In one embodiment of the present invention, a positioning block is provided at the output end of the push cylinder, a positioning column is provided on the positioning block, and a positioning hole is opened on the workpiece C to cooperate with the positioning column.

[0009] In one embodiment of the present invention, the first pressing block is in an "L" shape that matches the shape of the top of the workpiece B.

[0010] In one embodiment of the present invention, a U-shaped groove for cooperating with the workpiece C is formed below the second pressing block.

[0011] In one embodiment of the present invention, a reversing valve for controlling the first vertical cylinder, the second vertical cylinder, and the push cylinder is further provided on the mounting base plate.

[0012] As described above, the utility model is a door panel rapid positioning device, which has the following beneficial effects: the positioning device of the utility model has a simple structure, and realizes rapid positioning and clamping or pressing of workpieces A, B and C through the first positioning component, the second positioning component and the third positioning component in sequence, ensuring the clamping stability and reliability of each workpiece, so that the concentricity and size of the product hole position meet the desired accuracy requirements, thereby ensuring the welding size accuracy of the door panel; and the positioning device is simple and easy to operate, which can improve production efficiency and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a door panel rapid positioning device disclosed in an embodiment of the present utility model.

[0014] Figure 2 It is a top view schematic diagram of a door panel quick positioning device disclosed in an embodiment of the present utility model.

[0015] Figure 3 This is a schematic structural diagram of a positioning device disclosed in an embodiment of the present utility model.

[0016] Figure 4 This is a schematic diagram of the use of a door panel quick positioning device disclosed in an embodiment of the utility model Figure 1 .

[0017] Figure 5 This is a schematic diagram of the use of a door panel quick positioning device disclosed in an embodiment of the utility model Figure 2 .

[0018] Figure 6This is a schematic diagram of the use of a door panel quick positioning device disclosed in an embodiment of the utility model Figure 3 .

[0019] Component number description

[0020] 100, first positioning assembly; 101, positioning pin; 102, quick clamp; 200, second positioning assembly; 201, first vertical cylinder; 202, first pressure block; 300, third positioning assembly; 301, second vertical cylinder; 302, second pressure block; 303, "U"-shaped groove; 304, push cylinder; 305, positioning block; 306, positioning column; 400, mounting base; 500, reversing valve; 600, workpiece A; 601, through hole; 700, workpiece B; 800, workpiece C. DETAILED DESCRIPTION

[0021] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless there is a conflict.

[0022] See also Figures 1 to 3 The present invention provides a door panel quick positioning device, comprising a positioning device and a door panel, wherein the door panel is welded by workpiece A 600, workpiece B 700 and workpiece C 800, a through hole 601 is opened in the middle of the workpiece A, the workpiece B is arranged at one end of the workpiece A, and two workpieces C are respectively arranged on both sides of the workpiece A; the positioning device comprises a mounting base 400 and a first positioning assembly 100, a second positioning assembly 200 and a third positioning assembly 300 arranged thereon; the first positioning assembly is used to position the workpiece A, and the first positioning assembly comprises a plurality of positioning pins 101 and a quick clamp 102 located at the through hole position, the position of the workpiece A is positioned by the positioning pins, and then the workpiece A is clamped by the quick clamp; the second positioning assembly The first pressure block 202 is used to position the workpiece B, and the second positioning assembly includes a first pressure block 202 and a first vertical cylinder 201. The first pressure block is lifted and lowered by the drive of the first vertical cylinder, and the first pressure block presses the workpiece B in the longitudinal direction; the third positioning assembly is used to position the workpiece C, and the third positioning assembly includes a push cylinder 304, a second vertical cylinder 301 and a second pressure block 302. The push cylinder is located on the outside of the workpiece C and presses the workpiece C toward the workpiece A in the horizontal direction. The second pressure block is lifted and lowered by the drive of the second vertical cylinder, and the second pressure block presses the workpiece C in the longitudinal direction.

[0023] Furthermore, a positioning block 305 is provided at the output end of the push cylinder, and a positioning post 306 is provided on the positioning block. A positioning hole that cooperates with the positioning post is provided on the workpiece C. The workpiece C can be positioned by the positioning post first, and then pressed by the second pressing block.

[0024] Furthermore, a U-shaped groove 303 for cooperating with the workpiece C is provided in the second pressing block.

[0025] In one embodiment of the present invention, the through hole is rectangular, and the positioning pins are respectively arranged at the four corners of the rectangular through hole, so that the workpiece A can be accurately positioned.

[0026] Furthermore, the number of the quick clamps is four, and the four quick clamps are distributed in a "cross" shape on the mounting base and are located within the through hole. The quick clamps are distributed in a "cross" shape, so that the workpiece A can be clamped from four directions, ensuring that the workpiece A is firmly fixed and does not shake.

[0027] Furthermore, the first pressing block is in an "L" shape that matches the top shape of the workpiece B, so that the first pressing block can not only press the workpiece B downward, but also limit the workpiece B to prevent it from deviating in the front-rear direction.

[0028] In one embodiment of the present invention, a reversing valve 500 for controlling the first vertical cylinder, the second vertical cylinder, and the push cylinder is further provided on the mounting base plate.

[0029] Instructions for use: Reference Figure 4 First, place the workpiece A on the mounting base and position it with the locating pins, then use the quick clamp to flatten and clamp it; then, refer to Figure 5 , place workpiece B at one end of workpiece A, the first vertical cylinder drives the first pressing block to press workpiece B downward, push the push cylinder into place, and the push cylinder can press workpiece B from both sides; then, refer to Figure 6 , place workpiece C against the positioning block on the inside of the push cylinder and position it through the positioning column, then start the second vertical cylinder to make the second pressing block fix workpiece C through its "U"-shaped groove; after completing the above steps, the precise positioning of workpieces A, B, and C is achieved, and then welding processing is carried out.

[0030] In summary, the positioning device of the present invention has a simple structure. It sequentially utilizes the first, second, and third positioning assemblies to rapidly position and clamp or compress workpieces A, B, and C, ensuring the secure and reliable clamping of each workpiece and ensuring the desired concentricity and dimensions of the product holes meet the desired precision requirements, thereby ensuring the dimensional accuracy of the door panel welds. Furthermore, the positioning device is simple and easy to operate, improving production efficiency and reducing costs. Therefore, the present invention effectively overcomes the various shortcomings of the prior art and possesses high industrial value.

[0031] Among them, the terms such as "upper", "lower", "left", "right", "front", "back", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0032] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Any equivalent modifications or variations made by persons skilled in the art without departing from the spirit and technical concepts disclosed herein shall be encompassed by the claims of the present invention.

Claims

1. A door panel rapid positioning device, characterized in that: The door panel comprises a positioning device and a door panel, wherein the door panel is welded by workpieces A, B and C. A through hole is opened in the middle of the workpiece A, the workpiece B is arranged at one end of the workpiece A, and two workpieces C are respectively arranged on both sides of the workpiece A; The positioning device includes a mounting base and a first positioning assembly, a second positioning assembly, and a third positioning assembly provided thereon; the first positioning assembly is used to position the workpiece A, and the first positioning assembly includes a plurality of positioning pins and quick clamps located at the through-hole position; The second positioning assembly is used to position the workpiece B. The second positioning assembly includes a first pressing block and a first vertical cylinder. The first pressing block is driven by the first vertical cylinder to move up and down, and the first pressing block presses the workpiece B in the longitudinal direction. The third positioning assembly is used to position the workpiece C. The third positioning assembly includes a push cylinder, a second vertical cylinder and a second pressure block. The push cylinder is located on the outside of the workpiece C and presses the workpiece C toward the workpiece A in the horizontal direction. The second pressure block is raised and lowered under the drive of the second vertical cylinder. The second pressure block presses the workpiece C in the longitudinal direction.

2. A door panel rapid positioning device according to claim 1, characterized in that: The through hole is rectangular, and the positioning pins are respectively arranged at the four corners of the rectangular through hole.

3. A door panel rapid positioning device according to claim 1, characterized in that: There are four quick clips, which are distributed in a "cross" shape on the mounting base and are located within the through holes.

4. A door panel rapid positioning device according to claim 1, characterized in that: A positioning block is provided at the output end of the push cylinder, a positioning column is provided on the positioning block, and a positioning hole that cooperates with the positioning column is opened on the workpiece C.

5. The door panel rapid positioning device according to claim 1, characterized in that: The first pressing block is in an "L" shape that matches the shape of the top of the workpiece B.

6. A door panel rapid positioning device according to claim 1, characterized in that: A "U"-shaped groove that cooperates with the workpiece C is provided below the second pressing block.

7. A door panel rapid positioning device according to any one of claims 1 to 6, characterized in that: The mounting base plate is also provided with a reversing valve for controlling the first vertical cylinder, the second vertical cylinder and the push cylinder.

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