Special-shaped sheet metal part welding three-dimensional positioning device

Abstract

The utility model discloses a special-shaped sheet metal part welding three-dimensional positioning device which comprises a device base, supporting frames and a positioning arm, the supporting frames are arranged above the device base, the positioning arm is arranged above the supporting frames, a first telescopic driving piece is arranged on the inner wall of the positioning arm, a first magnetic attraction block is installed at the output end of the first telescopic driving piece, and a second magnetic attraction block is installed at the output end of the first magnetic attraction block. A second telescopic driving piece and a third telescopic driving piece are installed at the top end of the positioning arm, a second magnetic attraction block and a third magnetic attraction block are installed at the output end of the second telescopic driving piece and the output end of the third telescopic driving piece respectively, and a special-shaped sheet metal part body is arranged above the positioning arm. The special-shaped sheet metal part body can be conveniently and rapidly positioned, positioning is accurate, welding seams are aligned, and welding is attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal part welding, in particular to a three-dimensional positioning device for welding special-shaped sheet metal parts. Background Technique

[0002] Sheet metal parts are a kind of commonly used industrial components, which are components made through processing technologies such as stamping, bending, and cutting of metal sheets. There are various types of sheet metal parts, including cover plates, shields, radiators, brackets, frames, etc., and they are widely used in fields such as aviation, automobiles, electronics, household appliances, and construction.

[0003] Currently, when welding special-shaped sheet metal parts, it is mostly manual welding, and it is very difficult to quickly position the sheet metal parts, which easily leads to problems such as misaligned welds and unattractive welding. Therefore, we propose a three-dimensional positioning device for welding special-shaped sheet metal parts. Content of the Utility Model

[0004] The purpose of the utility model is to provide a three-dimensional positioning device for welding special-shaped sheet metal parts to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A three-dimensional positioning device for welding special-shaped sheet metal parts, including a device base, a support frame, and a positioning arm. The support frames are all arranged above the device base, the positioning arm is arranged above the support frame, a first telescopic driving member is arranged on the inner wall of the positioning arm, and a first magnetic attraction block is installed at the output end of the first telescopic driving member. A second telescopic driving member and a third telescopic driving member are respectively installed at the top end of the positioning arm, and a second magnetic attraction block and a third magnetic attraction block are respectively installed at the output ends of the second telescopic driving member and the third telescopic driving member. A special-shaped sheet metal part body is arranged above the positioning arm.

[0006] Preferably, a first bidirectional lead screw is installed inside the device base, and first sliders are threadedly connected to the outer walls on both sides of the first bidirectional lead screw. The top ends of the first sliders are welded to the bottom end of the support frame, and a second rotation driving member is installed on the outer wall of one end of the device base. The output end of the second rotation driving member is fixedly connected to one end of the first bidirectional lead screw.

[0007] Preferably, one end of the positioning arm is connected to the support frame through a rotating shaft, and a large gear is installed at one end of the rotating shaft.

[0008] Preferably, a first rotation driving member is installed below the large gear, and a small gear is installed at the output end of the first rotation driving member. The small gear is tightly meshed with the large gear to facilitate rotating the positioning arm.

[0009] Preferably, the first telescopic driving member is connected to the positioning arm through a damping shaft.

[0010] Preferably, an adjusting track is installed at the top end of the positioning arm between the second telescopic driving member and the third telescopic driving member, a second bidirectional lead screw is installed inside the adjusting track, and a third rotating driving member is installed at one end of the adjusting track. The output end of the third rotating driving member is fixedly connected to one end of the second bidirectional lead screw.

[0011] Preferably, second sliders are threadedly connected to the outer walls on both sides of the second bidirectional lead screw, and an adjusting plate is fixed to the top end of the second slider. The top end of the adjusting plate extends to both sides of the special-shaped sheet metal part body, facilitating the adjustment of the special-shaped sheet metal part body to the centered position and clamping and fixing it.

[0012] Preferably, the first magnetic attraction block, the second magnetic attraction block, and the third magnetic attraction block are all electromagnets, facilitating the magnetic fixing of the special-shaped sheet metal part body.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Place both groups of special-shaped sheet metal part bodies on the positioning arm. Drive the second bidirectional lead screw to rotate through the third rotating driving member, so that the second slider drives the adjusting plate to approach the special-shaped sheet metal part body and clamp it. The adjusting plate clamps the special-shaped sheet metal part body at the centered position above the positioning arm, making the special-shaped sheet metal part bodies preliminarily aligned. Drive the first magnetic attraction block to translate through the first telescopic driving member. The angles of the first telescopic driving member and the first magnetic attraction block can be adjusted through the damping shaft. Drive the second magnetic attraction block to move upward through the second telescopic driving member, and drive the third magnetic attraction block to move upward through the third telescopic driving member. The first magnetic attraction block, the second magnetic attraction block, and the third magnetic attraction block are energized to magnetically fix the special-shaped sheet metal part body. The two groups of first magnetic attraction blocks, second telescopic driving members, and third telescopic driving members are synchronously controlled, enabling the synchronous positioning of the special-shaped sheet metal part body. Drive the first bidirectional lead screw to rotate through the second rotating driving member, so that the first slider drives the support frame to synchronously translate toward the center, making the special-shaped sheet metal part bodies close together, and the weld seams at the welding positions of the special-shaped sheet metal part bodies are aligned. Thus, it is convenient to quickly position the special-shaped sheet metal part body, with accurate positioning, aligned weld seams, and beautiful welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic cross-sectional structure diagram of the present utility model;

[0016] Figure 2 is a schematic enlarged partial structure diagram of the present utility model;

[0017] Figure 3 is of the present utility model Figure 2 schematic enlarged structure diagram at A in;

[0018] Figure 4 is a schematic enlarged top view sectional structure diagram of the device base of the present utility model;

[0019] Figure 5 This is an enlarged structural schematic diagram of the top view cross-section of the adjustment track of the present utility model.

[0020] In the figure: 1. Device base; 2. Support frame; 3. Positioning arm; 4. First telescopic driving member; 5. First magnetic attraction block; 6. Body of the special-shaped sheet metal part; 7. Adjustment track; 8. Second telescopic driving member; 9. Second magnetic attraction block; 10. Third telescopic driving member; 11. Third magnetic attraction block; 12. Damping shaft; 13. Rotating shaft; 14. Large gear; 15. First rotation driving member; 16. Small gear; 17. First bidirectional lead screw; 18. First slider; 19. Second rotation driving member; 20. Third rotation driving member; 21. Second bidirectional lead screw; 22. Second slider; 23. Adjustment plate. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to FIG. 5. An embodiment provided by the present utility model: A three-dimensional positioning device for welding a special-shaped sheet metal part, including a device base 1, a support frame 2, and a positioning arm 3. The support frames 2 are all arranged above the device base 1, and the positioning arm 3 is arranged above the support frame 2;

[0023] A first telescopic driving member 4 is arranged on the inner wall of the positioning arm 3, and a first magnetic attraction block 5 is installed at the output end of the first telescopic driving member 4. A second telescopic driving member 8 and a third telescopic driving member 10 are respectively installed at the top end of the positioning arm 3, and a second magnetic attraction block 9 and a third magnetic attraction block 11 are respectively installed at the output ends of the second telescopic driving member 8 and the third telescopic driving member 10;

[0024] Specifically, the first telescopic driving member 4 drives the first magnetic attraction block 5 to translate, and the angle between the first telescopic driving member 4 and the first magnetic attraction block 5 can be adjusted through the damping shaft 12. The second telescopic driving member 8 drives the second magnetic attraction block 9 to move upward, and the third telescopic driving member 10 drives the third magnetic attraction block 11 to move upward. The first magnetic attraction block 5 is closely attached to the side surface of the body 6 of the special-shaped sheet metal part, and the second magnetic attraction block 9 and the third magnetic attraction block 11 are closely attached to the bottom surface of the body 6 of the special-shaped sheet metal part. The first magnetic attraction block 5, the second magnetic attraction block 9, and the third magnetic attraction block 11 are electrified to magnetically fix the body 6 of the special-shaped sheet metal part. The two groups of the first magnetic attraction block 5, the second telescopic driving member 8, and the third telescopic driving member 10 are synchronously controlled to synchronously position the body 6 of the special-shaped sheet metal part;

[0025] A body 6 of a special-shaped sheet metal part is arranged above the positioning arm 3;

[0026] Inside the device base 1, a first bidirectional lead screw 17 is installed, and first sliders 18 are threadedly connected to the outer walls on both sides of the first bidirectional lead screw 17. The top ends of the first sliders 18 are welded to the bottom end of the support frame 2, and a second rotary drive member 19 is installed on the outer wall of one end of the device base 1. The output end of the second rotary drive member 19 is fixedly connected to one end of the first bidirectional lead screw 17;

[0027] Specifically, the second rotary drive member 19 drives the first bidirectional lead screw 17 to rotate, causing the first sliders 18 to drive the support frame 2 to translate synchronously towards the center, closing the special-shaped sheet metal part body 6, aligning the weld seams at the welding joints of the special-shaped sheet metal part body 6, and then using a welding tool to weld it, thereby facilitating the rapid positioning of the special-shaped sheet metal part body 6, with accurate positioning, aligned weld seams, and beautiful welding;

[0028] One end of the positioning arm 3 is connected to the support frame 2 through a rotating shaft 13, and a large gear 14 is installed at one end of the rotating shaft 13;

[0029] A first rotary drive member 15 is installed below the large gear 14, and a small gear 16 is installed at the output end of the first rotary drive member 15. The small gear 16 is in close mesh with the large gear 14;

[0030] The first telescopic drive member 4 is connected to the positioning arm 3 through a damping shaft 12;

[0031] Specifically, during the welding process, the first rotary drive member 15 drives the small gear 16 to rotate, the small gear 16 drives the large gear 14 to rotate, and the large gear 14 drives the positioning arm 3 to rotate through the rotating shaft 13, thereby rotating the special-shaped sheet metal part body 6, which facilitates welding different surfaces of the special-shaped sheet metal part body 6 and has high welding efficiency;

[0032] An adjustment track 7 is installed at the top end of the positioning arm 3 between the second telescopic drive member 8 and the third telescopic drive member 10. A second bidirectional lead screw 21 is installed inside the adjustment track 7, and a third rotary drive member 20 is installed at one end of the adjustment track 7. The output end of the third rotary drive member 20 is fixedly connected to one end of the second bidirectional lead screw 21;

[0033] Second sliders 22 are threadedly connected to the outer walls on both sides of the second bidirectional lead screw 21, and an adjustment plate 23 is fixed to the top ends of the second sliders 22. The top end of the adjustment plate 23 extends to both sides of the special-shaped sheet metal part body 6;

[0034] Specifically, the third rotary drive member 20 drives the second bidirectional lead screw 21 to rotate, causing the second sliders 22 to drive the adjustment plate 23 to approach and clamp the special-shaped sheet metal part body 6. The adjustment plate 23 clamps the special-shaped sheet metal part body 6 at the centered position above the positioning arm 3, making the special-shaped sheet metal part body 6 preliminarily aligned;

[0035] The first magnetic block 5 , the second magnetic block 9 and the third magnetic block 11 are all electromagnets.

[0036] When the embodiment of the present application is in use: first, both groups of special-shaped sheet metal bodies 6 are placed on the positioning arm 3, and the bottom surface of the special-shaped sheet metal body 6 is a special-shaped structure. Secondly, by operating the external control device, the third rotary drive member 20 drives the second bidirectional screw rod 21 to rotate, so that the second slider 22 drives the adjustment plate 23 to move closer to the special-shaped sheet metal body 6 and clamp it, and the adjustment plate 23 clamps the special-shaped sheet metal body 6 in the center position above the positioning arm 3, so that the special-shaped sheet metal body 6 is initially aligned, and the first telescopic drive member 4 drives the first magnetic block 5 to move horizontally. The angle of the first telescopic drive member 4 and the first magnetic block 5 can be adjusted by the damping shaft 12. The second telescopic drive member 8 drives the second magnetic block 9 to move upward, and the third telescopic drive member 10 drives the third magnetic block 11 to move upward. The first magnetic block 5 is close to the side of the special-shaped sheet metal body 6, and the second magnetic block 9 and the third magnetic block 11 are close to the bottom surface of the special-shaped sheet metal body 6. The first magnetic block 5, The second magnetic block 9 and the third magnetic block 11 are energized to magnetically fix the special-shaped sheet metal body 6, and the two groups of first magnetic blocks 5, the second telescopic driving member 8, and the third telescopic driving member 10 are synchronously controlled to synchronously position the special-shaped sheet metal body 6. Then, the second rotating driving member 19 drives the first bidirectional screw rod 17 to rotate, so that the first slider 18 drives the support frame 2 to translate toward the center synchronously, so that the special-shaped sheet metal body 6 is closed, and the weld seams at the welding points of the special-shaped sheet metal body 6 are aligned, and then the welding tool can be used to weld it, thereby facilitating rapid positioning of the special-shaped sheet metal body 6, accurate positioning, aligned weld seams, and beautiful welding. In addition, during the welding process, the first rotating driving member 15 drives the small gear 16 to rotate, and the small gear 16 drives the large gear 14 to rotate. The large gear 14 drives the positioning arm 3 to rotate through the rotating shaft 13, and the special-shaped sheet metal body 6 can be rotated, thereby facilitating welding of different surfaces of the special-shaped sheet metal body 6, and the welding efficiency is high.

Claims

1. A three-dimensional positioning device for welding special-shaped sheet metal parts, characterized in that, It includes a device base (1), a support frame (2) and a positioning arm (3). The support frames (2) are all arranged above the device base (1), the positioning arm (3) is arranged above the support frame (2), a first telescopic driving member (4) is arranged on the inner wall of the positioning arm (3), and a first magnetic attraction block (5) is installed at the output end of the first telescopic driving member (4). A second telescopic driving member (8) and a third telescopic driving member (10) are respectively installed at the top end of the positioning arm (3), and a second magnetic attraction block (9) and a third magnetic attraction block (11) are respectively installed at the output ends of the second telescopic driving member (8) and the third telescopic driving member (10). An irregular sheet metal part body (6) is arranged above the positioning arm (3).

2. The three-dimensional positioning device for welding special-shaped sheet metal parts according to claim 1, characterized in that: A first bidirectional lead screw (17) is installed inside the device base (1), and first sliders (18) are threadedly connected to the outer walls on both sides of the first bidirectional lead screw (17). The top ends of the first sliders (18) are welded to the bottom ends of the support frames (2), and a second rotary driving member (19) is installed on the outer wall of one end of the device base (1). The output end of the second rotary driving member (19) is fixedly connected to one end of the first bidirectional lead screw (17).

3. The three-dimensional positioning device for welding of a special-shaped sheet metal part according to claim 1, characterized in that: One end of the positioning arm (3) is connected to the support frame (2) through a rotating shaft (13), and a large gear (14) is installed at one end of the rotating shaft (13).

4. The three-dimensional positioning device for welding of a special-shaped sheet metal part according to claim 3, characterized in that: A first rotary driving member (15) is installed below the large gear (14), and a small gear (16) is installed at the output end of the first rotary driving member (15). The small gear (16) is in close meshing with the large gear (14).

5. The three-dimensional positioning device for welding special-shaped sheet metal parts according to claim 1, characterized in that: The first telescopic driving member (4) is connected to the positioning arm (3) through a damping shaft (12).

6. The three-dimensional positioning device for welding special-shaped sheet metal parts according to claim 1, characterized in that: An adjusting track (7) is installed at the top end of the positioning arm (3) between the second telescopic driving member (8) and the third telescopic driving member (10). A second bidirectional lead screw (21) is installed inside the adjusting track (7), and a third rotary driving member (20) is installed at one end of the adjusting track (7). The output end of the third rotary driving member (20) is fixedly connected to one end of the second bidirectional lead screw (21).

7. The three-dimensional positioning device for welding special-shaped sheet metal parts according to claim 6, characterized in that: Second sliders (22) are threadedly connected to the outer walls on both sides of the second bidirectional lead screw (21), and an adjusting plate (23) is fixed to the top ends of the second sliders (22). The top ends of the adjusting plates (23) extend to both sides of the irregular sheet metal part body (6).

8. The three-dimensional positioning device for welding special-shaped sheet metal parts according to claim 1, characterized in that: The first magnetic attraction block (5), the second magnetic attraction block (9) and the third magnetic attraction block (11) are all electromagnets.

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