Butt welding machine for welding terminal on stator

Abstract

The utility model discloses a butt-welding machine for welding a terminal on a stator, and belongs to the field of stators. Comprising a rack; a conveyor belt; a processing table; the welding device is used for welding the stator on the machining table; the first clamping device is used for clamping the stator on the conveying belt to the machining table; the welding device comprises a first bottom plate fixedly arranged on the rack; the first supporting frame is arranged on the first bottom plate in a sliding manner; the first moving assembly is arranged on the first bottom plate and used for driving the first supporting frame to move; the first electric air cylinder is fixedly arranged on the first supporting frame; the connecting block is fixedly arranged on a piston rod of the first electric air cylinder, and the welding gun is fixedly arranged on the connecting block. The butt-welding machine for welding the terminal on the stator has the beneficial effect that the welding effect is good.

Description

Technical Field

[0001] The present application relates to the field of stators, and more particularly, to a spot welder for welding upper terminals of a stator. Background Art

[0002] An electric motor has a stator, and the stator has a plurality of upper terminals along its circumferential direction. During the assembly process of the electric motor, the upper terminals need to be welded one by one; the invention with the application number 202011402325.4 relates to the field of welding equipment, especially the upper terminal wire harness positioning welding equipment; in the prior art, a feeding device is not used to place and lock the stator when welding the upper terminals, and the stator is prone to deviation during the moving process, resulting in poor stability; an unlocking driving device is not used to drive the feeding device to unlock, which is not convenient for taking and placing the stator. Summary of the Utility Model

[0003] The content part of the present application is used to briefly introduce the concepts, which will be described in detail in the following detailed implementation part. The content part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0004] To solve the technical problems mentioned in the above background art part, some embodiments of the present application provide a spot welder for welding upper terminals of a stator, including:

[0005] A frame;

[0006] A conveyor belt;

[0007] A processing table;

[0008] A welding device for welding the stator on the processing table;

[0009] A first clamping device for clamping the stator on the conveyor belt to the processing table;

[0010] The welding device includes:

[0011] A first bottom plate fixedly arranged on the frame;

[0012] A first support frame slidably arranged on the first bottom plate;

[0013] A first moving component arranged on the first bottom plate for driving the first support frame to move;

[0014] A first electric cylinder fixedly arranged on the first support frame;

[0015] A connecting block fixedly arranged on the piston rod of the first electric cylinder,

[0016] A welding gun fixedly arranged on the connecting block.

[0017] Further, the welding device further includes:

[0018] A first connecting plate, fixedly arranged on the connecting block;

[0019] A first slide rail, fixedly arranged on the first support frame;

[0020] A first slider, fixedly arranged on the first connecting plate and cooperating with the first slide rail.

[0021] Further, a limiting portion is arranged on the first connecting plate, a limiting groove is formed on the first support frame, and one end of the limiting portion is inserted into the limiting groove.

[0022] Further, the first moving assembly includes:

[0023] A first motor, fixedly arranged on the first bottom plate;

[0024] A second connecting plate, fixedly arranged at the lower end of the first support frame;

[0025] A first lead screw, fixedly arranged on the output end of the first motor, and the other end is rotatably arranged on the first bottom plate;

[0026] A first threaded seat, fixedly arranged on the second connecting plate and threadedly cooperating with the first lead screw;

[0027] Second sliders, fixedly arranged at both ends of the second connecting plate;

[0028] A second slide rail, fixedly arranged on the first bottom plate.

[0029] Further, the first clamping device includes:

[0030] A second support frame, fixedly arranged on the first bottom plate;

[0031] A second motor, fixedly arranged on the second support frame;

[0032] A second lead screw, rotatably arranged on the second support frame, and one end is connected to the output end of the second motor;

[0033] A second threaded seat, threadedly connected to the second lead screw;

[0034] A third connecting plate, fixedly arranged on the second threaded seat;

[0035] A first air cylinder, fixedly arranged on the third connecting plate;

[0036] A first connecting frame, fixedly arranged on the piston rod of the first air cylinder;

[0037] First clamping members, two in number and fixedly arranged on the first connecting frame.

[0038] Further, the first clamping device further includes:

[0039] The third slide rail is fixedly arranged on the second support frame;

[0040] The third slider is fixedly arranged on the third connecting plate and is matched with the third slide rail.

[0041] Furthermore, the first clamping member includes:

[0042] The second electric cylinder is fixedly arranged on the first connecting frame;

[0043] The first clamping plate is fixedly arranged on the second electric cylinder;

[0044] The second clamping plate is fixedly arranged on the piston rod of the second electric cylinder and can move relative to the first clamping plate.

[0045] Furthermore, rubber pads are arranged on both the first clamping plate and the second clamping plate.

[0046] Furthermore, the spot welder for welding the upper terminals of the stator further includes:

[0047] The second clamping device is used to clamp out the welded stator and convey it to another conveyor belt;

[0048] The second clamping device includes:

[0049] The third support frame is fixedly arranged on the machine frame;

[0050] The third motor is fixedly arranged on the third support frame;

[0051] The third lead screw is rotatably arranged on the third support frame, and one end is fixedly arranged on the output end of the third motor;

[0052] The third thread seat is threadedly connected to the third lead screw;

[0053] The fourth connecting plate is fixedly arranged on the third thread seat;

[0054] The second cylinder is fixedly arranged on the fourth connecting plate;

[0055] The second connecting frame is fixedly arranged on the piston rod of the second cylinder;

[0056] The second clamping members are two and are fixedly arranged on the second connecting frame.

[0057] Furthermore, the spot welder for welding the upper terminals of the stator further includes:

[0058] The displacement device is used to drive the processing table to move;

[0059] The displacement device includes:

[0060] The second bottom plate is fixedly arranged on the machine frame;

[0061] The fourth motor is fixedly arranged on the second base plate;

[0062] The fourth lead screw is rotatably arranged on the second base plate, and one end thereof is connected to the output end of the fourth motor;

[0063] The fourth threaded seat is threadedly connected to the fourth lead screw;

[0064] The second moving assembly is fixedly arranged on the fourth threaded seat;

[0065] The second moving assembly includes:

[0066] The movable plate is fixedly arranged on the fourth threaded seat;

[0067] The third air cylinder is fixedly arranged on the movable plate;

[0068] The abutting plate is slidably arranged on the movable plate, and one end thereof is connected to the piston rod of the third air cylinder;

[0069] The abutting block is fixedly arranged on the abutting plate;

[0070] The baffle is fixedly arranged on the movable plate;

[0071] The processing table is fixedly arranged on the movable plate, and the baffle is located on the side of the processing table.

[0072] The beneficial effects of the present application are as follows: A spot welder for welding the upper terminals of a stator with good welding effect is provided; through the settings of the conveyor belt, the processing table, the welding device, the first clamping device, and the second clamping device, the automatic transmission, clamping and handling, and welding of the stator are realized, improving the welding efficiency and welding accuracy; by adopting the displacement device to realize the transfer of the stator, the requirements for the position movement of the stator are met, preventing the stator from deviating during the movement process and improving the stability; by adopting the first clamping device and the second clamping device to realize the placement and locking of the stator, it is convenient for the feeding and discharging of the stator. Description of the Drawings

[0073] The drawings forming a part of the present application are used to provide a further understanding of the present application, making other features, purposes, and advantages of the present application more obvious. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application.

[0074] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic, and the elements and elements are not necessarily drawn to scale.

[0075] In the drawings:

[0076] Figure 1 is the overall schematic diagram according to the embodiment of the present application;

[0077] Figure 2 is Figure 1 an enlarged view of part A of

[0078] Figure 3 a schematic structural view of a part of an embodiment;

[0079] Figure 4 is Figure 3 an enlarged view of part B of

[0080] Figure 5 is Figure 1 an enlarged view of part C of

[0081] Figure 6 is Figure 1 an enlarged view of part D of

[0082] Figure 7 a schematic structural view of a part of an embodiment;

[0083] Figure 8 is Figure 7 an enlarged view of part E of

[0084] Figure 9 is Figure 7 an enlarged view of part F of

[0085] Reference numerals:

[0086] 1. Frame; 2. Conveyor belt; 3. Processing table; 4. Welding device; 400. First bottom plate; 401. First support frame; 402. First electric cylinder; 403. Connecting block; 404. Welding gun; 405. First connecting plate; 406. First slide rail; 407. First slider; 408. Limiting part; 409. Limiting groove; 410. First motor; 411. Second connecting plate; 412. First lead screw; 413. First threaded seat; 414. Second slider; 415. Second slide rail; 5. First clamping device; 500. Second support frame; 501. Second motor; 502. Second lead screw; 503. Second threaded seat; 504. Third connecting plate; 505. First cylinder; 506. First connecting frame; 507. Second electric cylinder; 508. First clamping plate; 509. Second clamping plate; 510. Rubber pad; 511. Third slide rail; 512. Third slider; 6. Second clamping device; 600. Third support frame; 601. Third motor; 602. Third lead screw; 603. Third threaded seat; 604. Fourth connecting plate; 605. Second cylinder; 606. Second connecting frame; 607. Second clamping piece; 608. Fourth slide rail; 609. Fourth slider; 7. Displacement device; 700. Second bottom plate; 701. Fourth motor; 702. Fourth lead screw; 703. Fourth threaded seat; 704. Fifth slide rail; 705. Fifth slider; 706. Movable plate; 707. Third cylinder; 708. Contact plate; 709. Contact block; 710. Baffle plate. Detailed implementation manners

[0087] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.

[0088] In addition, it should be noted that, for the sake of convenience of description, only the parts related to the relevant invention are shown in the drawings. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.

[0089] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence relationship of the functions performed by these devices, modules or units.

[0090] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise clearly stated in the context, it should be understood as "one or more".

[0091] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0092] Referring to Figures 1-9 , a spot welder for welding the upper terminals of a stator, comprising a frame 1, a conveyor belt 2, a processing table 3, a welding device 4, a first clamping device 5, and a second clamping device 6; the conveyor belt 2 and the processing table 3 are both arranged on the frame 1, the first clamping device 5 is arranged on the frame 1 and is used to clamp the stator on the conveyor belt 2 onto the processing table 3 for processing, the second clamping device 6 is arranged on the frame 1 and is used to clamp out the welded stator, and the welding device 4 is arranged on the frame 1 and is used to weld the stator on the processing table 3.

[0093] The welding device 4 includes a first bottom plate 400, a first support frame 401, a first moving component, a first electric cylinder 402, a connecting block 403, a welding gun 404, a first connecting plate 405, a first slide rail 406, and a first slider 407; the first bottom plate 400 is fixedly arranged on the frame 1, the first support frame 401 is slidably arranged on the first bottom plate 400 through the first moving component, the first electric cylinder 402 is fixedly arranged on the first support frame 401, the connecting block 403 is fixedly arranged on the piston rod of the first electric cylinder 402, the welding gun 404 is fixedly arranged on the connecting block 403, the first connecting plate 405 is fixedly arranged at one end of the connecting block 403, the first slide rail 406 is arranged on the first support frame 401, and the first sliders 407 are two and symmetrically fixed on the first connecting plate 405. When the stator moves to a specified position through the processing table 3, the first support frame 401 is driven to move and approach one end of the stator through the first moving component, and then the connecting block 403 is driven to descend by the first electric cylinder 402, and the connecting block 403 drives the welding gun 404 to descend above the stator for welding work. Through the cooperation of the first slider 407 and the first slide rail 406, the stability of the connecting block 403 during descent is improved.

[0094] A limiting portion 408 is arranged on the first connecting plate 405, and a limiting groove 409 is formed on the first support frame 401, and one end of the limiting portion 408 is inserted into the limiting groove 409. Through the arrangement of the limiting portion 408 and the limiting groove 409, the maximum distance of the descent of the first connecting plate 405 is limited, avoiding excessive descent and colliding with the stator, resulting in inability to process.

[0095] The first moving component includes a first motor 410, a second connecting plate 411, a first lead screw 412, a first threaded seat 413, a second slider 414, and a second slide rail 415; the first motor 410 is fixedly arranged on the first base plate 400, the second connecting plate 411 is fixedly arranged at the lower end of the first support frame 401, the first lead screw 412 is fixedly arranged on the output end of the first motor 410, and the other end is rotatably arranged on the first base plate 400; the first threaded seat 413 is fixedly arranged on the second connecting plate 411 and is in threaded cooperation with the first lead screw 412; the second slider 414 is fixedly arranged at both ends of the second connecting plate 411, and the second slide rail 415 is fixedly arranged on the first base plate 400. By driving the first lead screw 412 to rotate through the first motor 410, the first threaded seat 413 moves horizontally by being in threaded cooperation with the first lead screw 412, driving the second connecting plate 411 to move, and the second connecting plate 411 drives the first support frame 401 to move. Through the arrangement of the second slider 414 and the second slide rail 415, the stability of the movement of the second connecting plate 411 is improved.

[0096] The first clamping device 5 includes a second support frame 500, a second motor 501, a second lead screw 502, a second threaded seat 503, a third connecting plate 504, a first air cylinder 505, a first connecting frame 506, and a first clamping member; the second support frame 500 is fixedly arranged on the frame 1, the second motor 501 is fixedly arranged on the second support frame 500, the second lead screw 502 is rotatably arranged on the second support frame 500, and one end is connected to the output end of the second motor 501, the second threaded seat 503 is arranged on the second lead screw 502 and is in threaded connection with the second lead screw 502, the third connecting plate 504 is fixedly arranged on the second threaded seat 503, the first air cylinder 505 is fixedly arranged on the third connecting plate 504, the first connecting frame 506 is fixedly arranged on the piston rod of the first air cylinder 505, and the first clamping members are two and symmetrically arranged on the first connecting frame 506. Among them, the first clamping member includes a second electric air cylinder 507, a first clamping plate 508, and a second clamping plate 509; the second electric air cylinder 507 is fixedly arranged on the first connecting frame 506, the first clamping plate 508 is fixedly arranged on the outer shell of the second electric air cylinder 507, and the second clamping plate is fixedly arranged on the piston rod of the second electric air cylinder 507, so that the second clamping plate 509 moves relatively to the first clamping member for clamping. When the stator is conveyed to the designated position through the conveyor belt 2, the second motor 501 drives the first clamping member to move above the stator, and the second clamping plate 509 is driven by the second electric air cylinder 507 to clamp the stator between the first clamping plate 508 and the second clamping plate 509, and then the second motor 501 is driven again to move it above the processing table 3, and then the second clamping plate 509 is released to place the stator on the processing table 3.

[0097] Rubber pads 510 are provided on both the first clamping plate 508 and the second clamping plate 509.

[0098] The first clamping device 5 further includes a third slide rail 511 and a third slider 512; the third slide rail 511 is fixedly arranged on the second support frame 500, the third slider 512 is fixedly arranged on the third connecting plate 504, and is matched with the third slide rail 511. Through the arrangement of the third slider 512 and the third slide rail 511, the stability of the movement of the third connecting plate 504 is improved.

[0099] The second clamping device 6 includes a third support frame 600, a third motor 601, a third lead screw 602, a third threaded seat 603, a fourth connecting plate 604, a second air cylinder 605, a second connecting frame 606, and a second clamping member 607; the third support frame 600 is fixedly arranged on the machine frame 1, the third motor 601 is fixedly arranged on the third support frame 600, the third lead screw 602 is rotatably arranged on the third support frame 600, and one end thereof is connected to the output end of the third motor 601, the third threaded seat 603 is sleeved on the third lead screw 602 and is threadedly connected to the third lead screw 602, the fourth connecting plate 604 is fixedly arranged on the third threaded seat 603, the second air cylinder 605 is fixedly arranged on the fourth connecting plate 604, the second connecting frame 606 is fixedly arranged on the piston rod of the second air cylinder 605, and the second clamping member 607 is fixedly arranged on the second connecting frame 606. Among them, the structure of the second clamping member 607 is the same as that of the first clamping member. Under the action of the second clamping member 607, the welded stator is clamped out of the processing table 3 and conveyed to another conveyor belt 2 for the next step of processing.

[0100] The second clamping device 6 further includes a fourth slide rail 608 and a fourth slider 609; the fourth slide rail 608 is fixedly arranged on the third support frame 600, the fourth slider 609 is fixedly arranged on the fourth connecting plate 604, and is slidably matched with the fourth slide rail 608.

[0101] It further includes a displacement device 7 for driving the movement of the processing table 3; the displacement device 7 includes a second bottom plate 700, a fourth motor 701, a fourth lead screw 702, a fourth threaded seat 703, a second moving assembly, a fifth slide rail 704, and a fifth slider 705; the second bottom plate 700 is fixedly arranged on the frame 1, the fourth motor 701 is fixedly arranged on the second bottom plate 700, the fourth lead screw 702 is rotatably arranged on the second bottom plate 700 and one end thereof is connected to the output end of the fourth motor 701, the fourth threaded seat 703 is sleeved on the fourth lead screw 702 and is threadedly connected to the fourth lead screw 702, the second moving assembly is fixedly arranged on the fourth threaded seat 703, the fifth slide rail 704 is fixedly arranged on the second bottom plate 700, the fifth slider 705 is fixedly arranged on the second moving assembly and is slidably engaged with the fifth slide rail 704. Among them, the second moving assembly includes a movable plate 706, a third cylinder 707, an abutting plate 708, an abutting block 709, and a baffle 710; the movable plate 706 is fixedly arranged on the fifth slider 705, the third cylinder 707 is fixedly arranged on the movable plate 706, the abutting plate 708 is slidably arranged on the movable plate 706 and one end thereof is connected to the piston rod of the third cylinder 707, the abutting block 709 is fixedly arranged at one end of the abutting plate 708, and the baffle 710 is fixedly arranged on the movable plate 706. Among them, the processing table 3 is fixedly arranged on the movable plate 706 and abuts against the baffle 710 at one end, and the abutting plate 708 can move relative to the processing table 3. When the stator clamped by the first clamping device 5 is placed on the processing table 3, the third cylinder 707 is driven to move the abutting plate 708 towards the processing table 3, so that the abutting block 709 abuts against the stator, thereby fixing the stator between the abutting block 709 and the baffle 710, facilitating the stability during subsequent welding of the stator. Through the drive of the fourth motor 701, the processing table 3 can move relative to the second bottom plate 700 through the movable plate 706, facilitating movement to a designated position for processing, thereby improving the processing effect.

[0102] The above description is only some preferred embodiments of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) disclosed in the embodiments of the present disclosure that have similar functions.

Claims

1. A butt welding machine for welding terminals on a stator, comprising: frame; conveyor; Processing table; Features: The butt welding machine for stator upper terminal welding also includes: A welding device, used for welding the stator on the processing table; A first clamping device, used for clamping the stator on the conveyor belt to the processing table; The welding device comprises: A first bottom plate, fixedly mounted on the frame; A first support frame, slidably disposed on the first bottom plate; A first moving assembly, disposed on the first bottom plate, and used to drive the first supporting frame to move; A first electric cylinder, fixedly mounted on the first support frame; A connecting block is fixedly mounted on the piston rod of the first electric cylinder. The welding gun is fixed on the connecting block.

2. The butt welding machine for stator terminal welding according to claim 1, characterized in that: The welding device also includes: A first connecting plate, fixedly mounted on the connecting block; A first slide rail, fixedly mounted on the first support frame; The first sliding block is fixed on the first connecting plate and matched with the first sliding rail.

3. The butt welding machine for stator terminal welding according to claim 2 is characterized in that: The first connecting plate is provided with a limiting portion, the first supporting frame is provided with a limiting groove, and one end of the limiting portion is inserted into the limiting groove.

4. The butt welding machine for stator terminal welding according to claim 1, characterized in that: The first moving component comprises: A first motor, fixedly mounted on the first bottom plate; A second connecting plate, fixedly arranged at the lower end of the first supporting frame; A first screw rod, fixedly disposed on the output end of the first motor, and the other end of which is rotatably disposed on the first bottom plate; A first threaded seat, fixedly disposed on the second connecting plate and mating with the first screw thread; A second sliding block is fixedly disposed on both ends of the second connecting plate; The second slide rail is fixed on the first bottom plate.

5. The butt welding machine for stator terminal welding according to claim 1, characterized in that: The first clamping device comprises: A second support frame, fixedly mounted on the first bottom plate; A second motor is fixed on the second support frame; A second screw rod is rotatably mounted on the second support frame, and one end of the second screw rod is connected to an output end of the second motor; A second threaded seat, threadedly connected to the second screw rod; A third connecting plate, fixedly mounted on the second threaded seat; A first cylinder, fixedly mounted on the third connecting plate; A first connecting frame, fixedly mounted on the piston rod of the first cylinder; There are two first clamping members, which are fixed on the first connecting frame.

6. The butt welding machine for stator terminal welding according to claim 5, characterized in that: The first clamping device also includes: A third slide rail, fixedly mounted on the second support frame; The third sliding block is fixed on the third connecting plate and matched with the third sliding rail.

7. The butt welding machine for stator terminal welding according to claim 5, characterized in that: The first clamping member comprises: A second electric cylinder is fixedly mounted on the first connecting frame; A first clamping plate, fixedly mounted on the second electric cylinder; The second clamping plate is fixed on the piston rod of the second electric cylinder and can move relative to the first clamping plate.

8. The butt welding machine for stator terminal welding according to claim 7, characterized in that: The first clamping plate and the second clamping plate are both provided with rubber pads.

9. The butt welding machine for stator terminal welding according to claim 1, characterized in that: The butt welding machine for stator upper terminal welding also includes: The second clamping device is used to clamp out the welded stator and convey it to another conveyor belt; The second clamping device comprises: A third support frame, fixedly mounted on the frame; A third motor is fixed on the third support frame; A third screw rod is rotatably mounted on the third support frame, and one end of the third screw rod is fixedly mounted on the output end of the third motor; A third threaded seat, threadedly connected to the third screw rod; A fourth connecting plate, fixedly mounted on the third threaded seat; A second cylinder is fixed on the fourth connecting plate; A second connecting frame is fixedly mounted on the piston rod of the second cylinder; There are two second clamping members, which are fixed on the second connecting frame.

10. The butt welding machine for stator terminal welding according to claim 1, characterized in that: The butt welding machine for stator upper terminal welding also includes: A displacement device, used for driving the processing table to move; The displacement device includes: A second bottom plate is fixedly mounted on the frame; a fourth motor, fixedly mounted on the second bottom plate; a fourth screw rod, rotatably disposed on the second bottom plate, and one end of which is connected to the output end of the fourth motor; A fourth threaded seat, threadedly connected to the fourth screw rod; A second moving assembly, fixedly mounted on the fourth threaded seat; The second mobile assembly includes: A movable plate, fixedly mounted on the fourth threaded seat; A second cylinder is fixed on the movable plate; An abutment plate, slidably disposed on the movable plate, and one end of which is connected to the piston rod of the second cylinder; An abutment block, fixedly arranged on the abutment plate; A baffle, fixed on the movable plate; The processing table is fixed on the movable plate, and the baffle is located at the side of the processing table.

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