Positioning device for welding excavator door

Abstract

The utility model discloses a locating device for excavator door welding, which comprises a rotating motor and a rear shell plate, the output end of the rotating motor is provided with the rear shell plate, one side of the rear shell plate is provided with a front shell plate, a sliding groove is arranged between the front shell plate and the rear shell plate, the inner wall of the rear shell plate is provided with a servo motor, and the servo motor is connected with the rear shell plate. And a gear is installed at the output end of the servo motor, a gear ring is arranged in the position, on one side of the gear, of the interior of the sliding groove, the gear ring is meshed with the gear, four sets of fixing blocks are installed on the outer wall of the rear shell plate, and a side limiting wheel is installed at one end of each fixing block. According to the welding device, the excavator door can be conveniently overturned and adsorbed, the welding angle of the excavator door can be conveniently and circumferentially rotated, adjusted and positioned, the excavator door at a low position can be conveniently adsorbed and carried to a welding position, the excavator door can be conveniently welded from different positions, and the welding convenience and the welding flexibility are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a positioning device for welding a door of an excavator. Background Art

[0002] An excavator, also known as a backhoe, is an earth-moving machine that uses a bucket to dig materials above or below the bearing surface and loads them into a transport vehicle or unloads them to a stockpile. The materials excavated by the excavator are mainly soil, coal, silt, and pre-loosened soil and rock. From the development of construction machinery in recent years, the development of excavators is relatively rapid. Excavators have become one of the most important construction machinery in engineering construction. When producing excavators, their doors need to be welded. Most of the excavator doors are irregular in shape. In order to better weld the doors, a positioning device for excavator door welding is proposed.

[0003] For example, the one disclosed in the authorization announcement number CN220196768U includes side panels, which are arranged on both sides of the processing table, the upper ends of the side panels are provided with a top plate, the upper end of the processing table is provided with a welding table, and the welding table is fixed to the upper end of the processing table, a positioning groove is provided in the middle of the upper end of the welding table, and a second elevator is provided inside the bottom end of the positioning groove;

[0004] Although it solves the problem that the existing automobile door panels usually need to be placed on a welding table for welding, the automobile door panels have an irregular structure and will shake when placed on the welding platform due to the unstable bottom structure;

[0005] However, the problem that the existing positioning device is not conducive to convenient flipping and adsorbing the excavator door and convenient circular rotation to adjust the welding angle of the excavator door when in use is not solved, is not conducive to adsorbing and transporting the low-positioned excavator door to the welding position and completing the welding of the excavator door from different positions, affecting the convenience and flexibility of welding. Utility Model Content

[0006] The purpose of the utility model is to provide a positioning device for welding excavator doors to solve the problem that the positioning device proposed in the above background technology is not convenient for convenient flipping and adsorbing the excavator door and convenient circular rotation to adjust the welding angle of the excavator door, is not conducive to adsorbing and transporting the low-positioned excavator door to the welding position and completing the welding of the excavator door from different positions, which affects the convenience and flexibility of welding.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for welding an excavator door, comprising a rotating motor and a rear shell plate, the output end of the rotating motor is mounted with the rear shell plate, one side of the rear shell plate is mounted with a front shell plate, and a sliding groove is arranged between the front shell plate and the rear shell plate, a servo motor is mounted on the inner wall of the rear shell plate, a gear is mounted on the output end of the servo motor, a gear ring is arranged inside the sliding groove on one side of the gear, and the gear ring and the gear are meshed with each other, four sets of fixing blocks are mounted on the outer wall of the rear shell plate, and the fixing blocks are arranged on the outer wall of the rear shell plate. A side limiting wheel is installed at one end of the block, and the side limiting wheel is slidably connected to the inner wall of the gear ring, a front limiting wheel is installed inside the rear shell plate on one side of the fixed block, and the front limiting wheel is slidably connected to the outer wall of the gear ring, a plurality of connecting columns are installed on the side wall of the gear ring, an adsorption plate is provided on one side of the front shell plate, and the adsorption plate is connected to the connecting column, a plurality of electromagnets are installed on the side wall of the adsorption plate, a support frame is provided on the outside of the rear shell plate, a welding mechanism is installed on the top of the support frame, and a support plate is installed on the top of the support frame on one side of the welding mechanism.

[0008] Preferably, a support block is installed at the top of the support plate, a rotating frame is arranged above the support block, and a support plate is installed at the top of the rotating frame.

[0009] Preferably, a rotating box is installed on the top of the support plate on one side of the rotating frame, and a stepping motor is installed on the inner wall of the rotating box.

[0010] Preferably, a worm is installed at the output end of the stepper motor, a movable shaft is movably installed inside the rotating box on one side of the worm, and the movable shaft is connected to the rotating frame.

[0011] Preferably, a worm gear is mounted on the surface of the movable shaft, and the worm gear and the worm are meshed with each other.

[0012] Preferably, a threaded rod is installed inside the support plate, and the threaded rod is movably connected to the support plate.

[0013] Preferably, a movable motor is installed on the side wall of the support plate, and the output end of the movable motor is connected to the threaded rod.

[0014] Preferably, a threaded sleeve is sleeved on the surface of the threaded rod, and the threaded sleeve is threadedly connected to the threaded rod, and the threaded sleeve is slidably connected to the support plate, and the threaded sleeve is connected to the rotating motor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the positioning device not only realizes convenient flipping and adsorption of the excavator door and convenient circular rotation to adjust the welding angle of the excavator door, but also facilitates the adsorption and transportation of the low-position excavator door to the welding position and the completion of welding of the excavator door from different positions, and improves the convenience and flexibility of welding;

[0016] (1) The worm is driven to rotate by a stepper motor, the worm drives the worm wheel to rotate, the worm wheel drives the movable shaft to rotate, the movable shaft drives the rotating frame to rotate, the rotating frame drives the support plate to rotate, the support plate drives the rotating motor, the rear shell plate, the front shell plate, the adsorption plate and the electromagnet to rotate, so that the adsorption plate is rotated to an angle parallel to the support frame, the rotating motor drives the rear shell plate, the front shell plate, the adsorption plate and the electromagnet to rotate, so that the adsorption plate and the electromagnet are flipped, so that the adsorption plate and the electromagnet are flipped to face down, the moving motor drives the threaded rod to rotate, and the threaded rod drives the threaded rod to rotate. The threaded sleeve moves, and the threaded sleeve drives the rotating motor, the rear shell plate, the front shell plate, the adsorption plate and the electromagnet to move, so that the electromagnet contacts the surface of the excavator door, and then the electromagnet is energized to trigger its magnetism, so that the electromagnet adsorbs the excavator door. After the adsorption is completed, the above operation is repeated in reverse to drive the excavator door to move to the welding mechanism position, and the welding mechanism completes the welding operation on the excavator door, realizing the convenient flipping adsorption of the excavator door, facilitating the adsorption and transportation of the low-positioned excavator door to the welding position, and improving the convenience of welding;

[0017] (2) The servo motor drives the gear to rotate, and the gear drives the gear ring to rotate inside the sliding groove, wherein the side limiting wheel is used to limit the sliding support of the inner ring wall of the gear ring, and the front limiting wheel is used to limit the sliding support of the outer wall of the gear ring. The gear ring drives the adsorption plate to rotate through the connecting column, and the adsorption plate drives the electromagnet and the excavator door to rotate and adjust the angle of the excavator door to facilitate welding operations from different angles, thereby realizing convenient circular rotation positioning to adjust the welding angle of the excavator door, facilitating the welding of the excavator door from different positions, and improving the flexibility of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the adsorption plate of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the gear ring of the utility model;

[0021] Figure 4 It is a front cross-sectional structural schematic diagram of the support plate of the utility model;

[0022] Figure 5 It is a schematic diagram of the side cross-sectional structure of the rotary box of the utility model.

[0023] In the figure: 1. support frame; 2. support plate; 3. support plate; 4. welding mechanism; 5. rotating motor; 6. adsorption plate; 7. electromagnet; 8. rotating frame; 9. rear shell plate; 10. fixed block; 11. front shell plate; 12. sliding groove; 13. gear ring; 14. front limit wheel; 15. gear; 16. servo motor; 17. side limit wheel; 18. connecting column; 19. threaded rod; 20. moving motor; 21. threaded sleeve; 22. rotating box; 23. movable shaft; 24. stepping motor; 25. worm; 26. worm wheel; 27. support block. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: a positioning device for welding an excavator door, comprising a rotating motor 5 and a rear shell plate 9, wherein the rotating motor 5 plays a role of power drive, the output end of the rotating motor 5 is mounted with the rear shell plate 9, a front shell plate 11 is mounted on one side of the rear shell plate 9, and a sliding groove 12 is arranged between the front shell plate 11 and the rear shell plate 9, a servo motor 16 is mounted on the inner wall of the rear shell plate 9, and the servo motor 16 plays a role of power drive, a gear 15 is mounted on the output end of the servo motor 16, a gear ring 13 is arranged inside the sliding groove 12 on one side of the gear 15, and the gear ring 13 and the gear 15 are meshed with each other, and a gear ring 13 is mounted on the outer wall of the rear shell plate 9. Four groups of fixed blocks 10, one end of each fixed block 10 is equipped with a side limit wheel 17, and the side limit wheel 17 is slidably connected to the inner wall of the gear ring 13, the rear shell plate 9 on one side of the fixed block 10 is equipped with a front limit wheel 14, and the front limit wheel 14 is slidably connected to the outer wall of the gear ring 13, a plurality of connecting columns 18 are installed on the side wall of the gear ring 13, an adsorption plate 6 is provided on one side of the front shell plate 11, and the adsorption plate 6 is connected to the connecting column 18, a plurality of electromagnets 7 are installed on the side wall of the adsorption plate 6, a support frame 1 is provided on the outside of the rear shell plate 9, a welding mechanism 4 is installed on the top of the support frame 1, and a support plate 2 is installed on the top of the support frame 1 on one side of the welding mechanism 4;

[0026] First, the device is placed on one side of the excavator door, and the device is connected to the external controller and the external circuit. When the excavator door needs to be welded, the stepper motor 24 is turned on by external control, and the stepper motor 24 drives the worm 25 to rotate. Under the mutual engagement of the worm 25 and the worm wheel 26, the worm 25 drives the worm wheel 26 to rotate, and the worm wheel 26 drives the movable shaft 23 to rotate. Under the movable connection between the rotating frame 8 and the support block 27, the movable shaft 23 drives the rotating frame 8 to rotate, and the rotating frame 8 drives the support plate 3 to rotate, and the support plate 3 drives the rotating motor 5, the rear shell plate 9, the front shell plate 11, the adsorption plate 6 and the electromagnet 7 to rotate, so that the adsorption plate 6 rotates to an angle parallel to the support frame 1, and then the rotating motor 5 is turned on by external control, and the rotating motor 5 drives the rear shell plate 9, the front shell plate 11, the adsorption plate 6 and the electromagnet 7 to rotate, so that the adsorption plate 6 and the electromagnet 7 perform a flipping action, to The adsorption plate 6 and the electromagnet 7 are turned over to face downward, and then the mobile motor 20 is turned on by external control, and the mobile motor 20 drives the threaded rod 19 to rotate. Under the threaded connection between the threaded rod 19 and the threaded sleeve 21, and under the sliding cooperation between the threaded sleeve 21 and the supporting plate 3, the threaded rod 19 drives the threaded sleeve 21 to move, and the threaded sleeve 21 drives the rotating motor 5, the rear shell plate 9, the front shell plate 11, the adsorption plate 6 and the electromagnet 7 to move, so that the electromagnet 7 contacts the surface of the excavator door, and then the electromagnet 7 is energized to trigger its magnetism, so that the electromagnet 7 adsorbs the excavator door. After the adsorption is completed, the above operation is repeated in reverse to drive the excavator door to move to the position of the welding mechanism 4, and the welding mechanism 4 completes the welding operation on the excavator door, thereby realizing convenient flipping and adsorption of the excavator door, facilitating the adsorption and transportation of the low-position excavator door to the welding position, and improving the convenience of welding;

[0027] A support block 27 is installed at the top of the support plate 2, a rotating frame 8 is arranged above the support block 27, a support plate 3 is installed at the top of the rotating frame 8, a rotating box 22 is installed at the top of the support plate 2 on one side of the rotating frame 8, and a stepping motor 24 is installed on the inner wall of the rotating box 22, and the stepping motor 24 plays a role of power drive;

[0028] A worm 25 is installed at the output end of the stepper motor 24, a movable shaft 23 is movably installed inside the rotating box 22 on one side of the worm 25, and the movable shaft 23 is connected to the rotating frame 8, a worm wheel 26 is mounted on the surface of the movable shaft 23, and the worm wheel 26 and the worm 25 are meshed with each other;

[0029] A threaded rod 19 is installed inside the support plate 3, and the threaded rod 19 is movably connected to the support plate 3. A mobile motor 20 is installed on the side wall of the support plate 3. The mobile motor 20 plays a role of power drive, and the output end of the mobile motor 20 is connected to the threaded rod 19;

[0030] The surface of the threaded rod 19 is sleeved with a threaded sleeve 21, and the threaded sleeve 21 is threadedly connected to the threaded rod 19, and the threaded sleeve 21 is slidably connected to the support plate 3, and the threaded sleeve 21 is connected to the rotating motor 5;

[0031] When the angle of the excavator door needs to be adjusted, the servo motor 16 is turned on through external control, and the servo motor 16 drives the gear 15 to rotate. Under the mutual engagement of the gear 15 and the gear ring 13, the gear 15 drives the gear ring 13 to rotate inside the sliding groove 12, wherein the side limiting wheel 17 is used to limit the sliding support of the inner ring wall of the gear ring 13, and the front limiting wheel 14 is used to limit the sliding support of the outer wall of the gear ring 13, and the gear ring 13 drives the adsorption plate 6 to rotate through the connecting column 18, and the adsorption plate 6 drives the electromagnet 7 and the excavator door to rotate and adjust the angle of the excavator door, so as to facilitate the welding operation from different angles, realize the convenient circular rotation adjustment of the welding angle of the excavator door, facilitate the welding of the excavator door from different positions, and improve the flexibility of welding.

[0032] Working principle: first, the stepper motor 24 drives the worm 25 to rotate, the worm 25 drives the worm wheel 26 to rotate, the worm wheel 26 drives the movable shaft 23 to rotate, the movable shaft 23 drives the rotating frame 8 to rotate, the rotating frame 8 drives the support plate 3 to rotate, the support plate 3 drives the rotating motor 5, the rear shell plate 9, the front shell plate 11, the adsorption plate 6 and the electromagnet 7 to rotate, so that the adsorption plate 6 rotates to an angle parallel to the support frame 1, the rotating motor 5 drives the rear shell plate 9, the front shell plate 11, the adsorption plate 6 and the electromagnet 7 to rotate, so that the adsorption plate 6 and the electromagnet 7 flip over, so that the adsorption plate 6 and the electromagnet 7 flip over to face down, the moving motor 20 drives the threaded rod 19 to rotate, the threaded rod 19 drives the threaded sleeve 21 to move, and the threaded sleeve 21 drives the rotating motor 5, the rear shell plate 9, the front shell plate 11, the adsorption plate 6 and the electromagnet 7 to move, so that the electromagnet 7 contacts the door of the excavator. The surface, then the electromagnet 7 is energized to trigger its magnetism, so that the electromagnet 7 adsorbs the excavator door. After the adsorption is completed, the above operation is repeated in reverse to drive the excavator door to move to the position of the welding mechanism 4, and the welding mechanism 4 completes the welding operation on the excavator door. When the angle of the excavator door needs to be adjusted, the servo motor 16 drives the gear 15 to rotate, and the gear 15 drives the gear ring 13 to rotate inside the sliding groove 12, wherein the side limiting wheel 17 is used to limit the sliding support of the inner ring wall of the gear ring 13, and the front limiting wheel 14 is used to limit the sliding support of the outer wall of the gear ring 13, and the gear ring 13 is driven by the connecting column 18 to rotate the adsorption plate 6, and the adsorption plate 6 drives the electromagnet 7 and the excavator door to rotate and adjust, so as to adjust the angle of the excavator door, so as to facilitate the welding operation from different angles, so as to complete the use of the positioning device for excavator door welding.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A positioning device for welding an excavator door, comprising a rotating motor (5) and a rear shell plate (9), characterized in that: The output end of the rotating motor (5) is installed with a rear shell plate (9), a front shell plate (11) is installed on one side of the rear shell plate (9), and a sliding groove (12) is arranged between the front shell plate (11) and the rear shell plate (9), a servo motor (16) is installed on the inner wall of the rear shell plate (9), a gear (15) is installed on the output end of the servo motor (16), a gear ring (13) is arranged inside the sliding groove (12) on one side of the gear (15), and the gear ring (13) and the gear (15) are meshed with each other, and four groups of fixing blocks (10) are installed on the outer wall of the rear shell plate (9), one end of each of the fixing blocks (10) is installed with a side limiting wheel (17), and the side limiting wheel (17) and the gear ring are meshed with each other. The inner wall of the rear shell plate (13) is slidably connected, a front limiting wheel (14) is installed inside the rear shell plate (9) on one side of the fixed block (10), and the front limiting wheel (14) is slidably connected to the outer wall of the gear ring (13), a plurality of connecting columns (18) are installed on the side wall of the gear ring (13), an adsorption plate (6) is provided on one side of the front shell plate (11), and the adsorption plate (6) is connected to the connecting column (18), a plurality of electromagnets (7) are installed on the side wall of the adsorption plate (6), a support frame (1) is provided outside the rear shell plate (9), a welding mechanism (4) is installed on the top of the support frame (1), and a support plate (2) is installed on the top of the support frame (1) on one side of the welding mechanism (4).

2. The positioning device for welding an excavator door according to claim 1, characterized in that: A support block (27) is installed at the top end of the support plate (2), a rotating frame (8) is arranged above the support block (27), and a support plate (3) is installed at the top end of the rotating frame (8).

3. The positioning device for welding an excavator door according to claim 2, characterized in that: A rotating box (22) is installed on the top of the supporting plate (2) on one side of the rotating frame (8), and a stepping motor (24) is installed on the inner wall of the rotating box (22).

4. The positioning device for welding an excavator door according to claim 3, characterized in that: A worm (25) is installed at the output end of the stepping motor (24), and a movable shaft (23) is movably installed inside the rotating box (22) on one side of the worm (25), and the movable shaft (23) is connected to the rotating frame (8).

5. The positioning device for welding an excavator door according to claim 4, characterized in that: A worm wheel (26) is mounted on the surface of the movable shaft (23), and the worm wheel (26) and the worm (25) are meshed with each other.

6. The positioning device for welding an excavator door according to claim 2, characterized in that: A threaded rod (19) is installed inside the support plate (3), and the threaded rod (19) is movably connected to the support plate (3).

7. The positioning device for welding an excavator door according to claim 2, characterized in that: A moving motor (20) is installed on the side wall of the support plate (3), and the output end of the moving motor (20) is connected to the threaded rod (19).

8. The positioning device for welding an excavator door according to claim 6, characterized in that: A threaded sleeve (21) is sleeved on the surface of the threaded rod (19), the threaded sleeve (21) is threadedly connected to the threaded rod (19), the threaded sleeve (21) is slidably connected to the support plate (3), and the threaded sleeve (21) is connected to the rotating motor (5).

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