Motor iron core stator laser welding equipment

Abstract

The utility model discloses motor iron core stator laser welding equipment, and relates to the technical field of stator welding, the motor iron core stator laser welding equipment comprises a base, one side of the base is fixedly connected with a welding machine, the top end of the base is movably connected with a group of symmetrical mechanical arms, and the interior of the base is movably connected with a group of symmetrical threaded rods through bearings; the threaded rod penetrates through the bottom end of the mechanical arm and is in threaded connection with the mechanical arm. According to the device, a driving mechanism is arranged, then a second servo motor is started, a driving rod is driven to rotate, accordingly, a connecting column is driven to move in the direction of the second servo motor, namely, the connecting column moves backwards, the abutting force of a table disc to an abutting rod is utilized, the abutting rod abuts outwards, a reset spring is compressed and shortened, and clamping pieces abut against the inner wall of a body; therefore, small-size stators can be clamped and welded conveniently, and the clamping modes of the stators of different sizes can be switched through front-back movement of the connecting column.

Description

Technical Field

[0001] The present application relates to the technical field of stator welding, and in particular to a laser welding device for a motor core stator. Background Art

[0002] The motor core stator is a core component of the motor, usually located in the rotating part of the motor, used to generate a magnetic field to drive the motor to rotate. It consists of several winding coils and an iron core, in which the iron core plays the role of concentrating and guiding the magnetic field. The motor core stator laser welding equipment is a high-precision welding equipment used in motor manufacturing. It uses laser technology to precisely weld the various components of the core stator to ensure the performance and stability of the motor. This equipment usually includes components such as a laser source, a welding head, a welding platform, and a control system.

[0003] Patent document CN207431503U has a double-station rotating mechanism for fixing the stator to be processed and driving the stator to be processed to rotate, the double-station rotating mechanism is arranged on the surface of the mounting plate, the welding mechanism includes a fixed frame and a pressing welding mechanism, the fixed frame is fixed on the surface of the three-axis motion mechanism, the pressing welding mechanism is fixed on the surface of the fixed frame, the pressing welding mechanism includes a stamping welding head, an anti-bending plate, and a fixed plate, the stamping welding head and the anti-bending plate are adjacently arranged and fixed on the fixed plate, the stamping welding head faces the anti-bending plate, A processing gap is provided between the stamping welding head and the anti-bending plate, and the stator to be processed is driven to the processing gap through a double-station rotating mechanism; the present application provides an anti-bending plate at the welding mechanism, and the anti-bending plate also plays a role in fixing the fan-shaped stamping during the welding process, thereby achieving a better welding effect; before stator welding, different clamping methods need to be selected according to different sizes of the stator. Conventional welding equipment can only be applied to stators within a certain diameter range, and the clamping method cannot be switched. Therefore, a motor core stator laser welding device is needed to solve the existing deficiencies. Utility Model Content

[0004] In order to solve the above problems, the present application provides a motor core stator laser welding device, which adopts the following technical solutions:

[0005] A motor core stator laser welding device comprises a base, one side of the base is fixedly connected to a welding machine, the top of the base is movably connected to a group of symmetrical mechanical arms, the interior of the base is movably connected to a group of symmetrical threaded rods through bearings, the threaded rods penetrate the bottom end of the mechanical arms, and the threaded rods are threadedly connected to the mechanical arms, a servo motor is fixedly connected to the interior of the base, and the output end of the servo motor is fixedly connected to one end of the threaded rod, the top of each of the mechanical arms is fixedly connected to a accommodating cylinder, a plurality of groups of clips are arranged on the outside of the accommodating cylinder, and each group of clips is distributed in a circular array, a driving mechanism is arranged inside the accommodating cylinder, and the driving mechanism is fixedly connected to one end of the clip, a pressing mechanism is arranged at the front end of the accommodating cylinder, and the driving mechanism is movably connected to one end of the pressing mechanism.

[0006] By adopting the above technical solution, a hydraulic rod is fixedly connected inside the base, and the top of the hydraulic rod is fixedly connected to a support rod, and the top of the support rod is fixedly connected to a tray, the tray is located on the opposite side of the accommodating tube, and the main body is placed on the inner side of the tray.

[0007] By adopting the above technical solution, the driving mechanism includes a push rod, a push block and a return spring. The push rod, the push block and the return spring are multiple groups, and each group of push rods, push blocks and return springs are distributed in a circular array. The push rods respectively penetrate the push blocks, and the push rods are fixedly connected to the push blocks, and the return springs are respectively sleeved on the outside of the push rods.

[0008] By adopting the above technical solution, one end of the push rod is fixedly connected to the inner side of the clip, the push rod passes through the accommodating tube, and the push rod is movably connected to the accommodating tube, one end of the return spring is fixedly connected to the push block, and the other end of the return spring is fixedly connected to the inner wall of the accommodating tube.

[0009] By adopting the above technical solution, the driving mechanism also includes a connecting column, a table and two servo motors. The table is distributed in a linear array. The connecting column runs through the center of the table, and the connecting column is fixedly connected to the table. The inclined surface of the table is fitted with one end of the support rod, and both ends of the connecting column are movably connected to the inner wall of the accommodating tube.

[0010] By adopting the above technical solution, the servo motor 2 and the driving rod, the driving rod passes through the connecting column, and the connecting column is threadedly connected to the driving rod, the servo motor 2 is fixedly connected to the inside of the accommodating tube, and the output end of the servo motor 2 is fixedly connected to one end of the driving rod.

[0011] By adopting the above technical solution, the pressing mechanism includes a connecting block, a connecting rod and a slider, and the connecting rod and the slider are distributed in a circular array. One end of the connecting rod is movably connected to the slider through a rotating shaft, and the other end of the connecting rod is movably connected to the outside of the connecting block through a rotating shaft, and the connecting block is fitted with one end of the driving rod, and the slider is slidably connected to the end of the accommodating cylinder.

[0012] By adopting the above technical solution, the pressing mechanism also includes a compression spring and a pressure block, one end of the compression spring is fixedly connected to the inside of the accommodating tube, and the other end of the compression spring is fixedly connected to one end of the connecting block, the pressure blocks are distributed in a circular array, the pressure blocks are movably connected to the outer side of the end of the accommodating tube, and the sliders are fixedly connected to the pressure blocks respectively.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] (1) The present application sets up a driving mechanism, then starts the servo motor 2, drives the driving rod to rotate, and drives the connecting column to move in the direction of the servo motor 2, that is, to move backward, and uses the pressure of the table plate on the push rod to push the push rod outward, so that the return spring is compressed and shortened, and the clamping piece contacts the inner wall of the body, so as to facilitate the clamping and welding of the small-sized stator, and uses the connection column to move forward and backward to switch the clamping mode of stators of different sizes;

[0015] (2) The present application sets up a pressing mechanism. If the diameter of the main body is smaller than the diameter of the accommodating tube, the robot arm is driven to approach the main body, and servo motor 2 is started to drive the connecting column to move forward, pressing the connecting block, shortening the compression spring, driving the connecting rod to rotate, and pushing the slider to move inside the accommodating tube, so that the pressure blocks move away from each other, and the pressure blocks are used to press the end of the main body, thereby facilitating the clamping and welding of large-sized stators. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of this application;

[0017] Figure 2 This is a schematic diagram of the internal structure of this application;

[0018] Figure 3 This is a schematic diagram of the structure of the accommodating cylinder and its connecting parts of the present application;

[0019] Figure 4 Schematic diagram of the driving mechanism structure of this application

[0020] Figure 5 This is a schematic diagram of the structure of the pressing mechanism of this application.

[0021] In the figure: 1. base; 2. welding machine; 3. mechanical arm; 4. threaded rod; 5. servo motor 1; 6. accommodating cylinder; 7. clip; 8. driving mechanism; 801. push rod; 802. push block; 803. return spring; 804. connecting column; 805. table; 806. servo motor 2; 807. driving rod; 9. pressing mechanism; 901. connecting block; 902. connecting rod; 903. slider; 904. compression spring; 905. pressure block; 10. hydraulic rod; 11. support rod; 12. tray; 13. main body. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] like Figure 1-5As shown, the present application provides a technical solution: a motor core stator laser welding device, comprising a base 1, a welding machine 2 is fixedly connected to one side of the base 1, a group of symmetrical mechanical arms 3 are movably connected to the top of the base 1, a group of symmetrical threaded rods 4 are movably connected to the inside of the base 1 through bearings, the threaded rods 4 pass through the bottom ends of the mechanical arms 3, and the threaded rods 4 are threadedly connected to the mechanical arms 3, a servo motor 5 is fixedly connected to the inside of the base 1, and the output end of the servo motor 5 is fixedly connected to one end of the threaded rod 4, and the top ends of the mechanical arms 3 are fixedly connected to the accommodating cylinder 6 A plurality of groups of clips 7 are arranged on the outside of the accommodating tube 6, and each group of clips 7 is distributed in a circular array, a driving mechanism 8 is arranged inside the accommodating tube 6, and the driving mechanism 8 is fixedly connected to one end of the clip 7, a pressing mechanism 9 is arranged at the front end of the accommodating tube 6, and the driving mechanism 8 is movably connected to one end of the pressing mechanism 9, a hydraulic rod 10 is fixedly connected inside the base 1, and a support rod 11 is fixedly connected to the top end of the hydraulic rod 10, a tray 12 is fixedly connected to the top end of the support rod 11, the tray 12 is located on the opposite side of the accommodating tube 6, and a body 13 is placed on the inner side of the tray 12.

[0026] First, the body 13 is placed on the top of the tray 12, and then the hydraulic rod 10 is used to push the support rod 11 and the tray 12 to move longitudinally, so as to move the body 13 to the opposite side of the accommodating tube 6. The servo motor 1 5 drives the threaded rod 4 to rotate, so as to control the horizontal movement of the robot arm 3, and according to the diameter of the body 13, the clamping method of the body 13 is selected. If the diameter of the body 13 is larger than the diameter of the accommodating tube 6, the accommodating tube 6 is pushed to the inside of the body 13 by the robot arm 3, and then the servo motor 2 806 is started to drive the driving rod 807 to rotate, thereby driving the connecting column 804 to move in the direction of the servo motor 2 806, that is, to move backward, and the table 80 5, the pressing force of the push rod 801 pushes the push rod 801 outward, compresses the return spring 803 and shortens it, and the clamping piece 7 contacts the inner wall of the body 13, so as to clamp the body 13 advantageously; if the diameter of the body 13 is smaller than the diameter of the accommodating tube 6, the mechanical arm 3 is driven to approach the body 13, and the servo motor 806 is started to drive the connecting column 804 to move forward, press the connecting block 901, shorten the compression spring 904, drive the connecting rod 902 to rotate, push the slider 903 to move inside the accommodating tube 6, make the pressure blocks 905 move away from each other, and use the pressure blocks 905 to press the end of the body 13, and finally, use the welding machine 2 to weld the outer side of the body 13.

[0027] like Figure 1 , Figure 3 and Figure 4As shown, the driving mechanism 8 includes a push rod 801, a push block 802 and a return spring 803. The push rod 801, the push block 802 and the return spring 803 are multiple groups, and each group of the push rod 801, the push block 802 and the return spring 803 is distributed in a circular array. The push rod 801 passes through the push block 802 respectively, and the push rod 801 is fixedly connected to the push block 802. The return spring 803 is respectively sleeved on the outside of the push rod 801, and one end of the push rod 801 is fixedly connected to the inner side of the clip 7. The push rod 801 passes through the accommodating tube 6, and the push rod 801 is movably connected to the accommodating tube 6. One end of the return spring 803 is fixedly connected to the push block 802, and the other end of the return spring 803 is fixedly connected to the accommodating tube 6, the driving mechanism 8 also includes a connecting column 804, a table 805 and a servo motor 806. The table 805 is distributed in a linear array, the connecting column 804 runs through the center of the table 805, and the connecting column 804 is fixedly connected to the table 805. The inclined surfaces of the table 805 are both in contact with one end of the support rod 801, and both ends of the connecting column 804 are movably connected to the inner wall of the accommodating tube 6, the servo motor 806 and the driving rod 807, the driving rod 807 runs through the connecting column 804, and the connecting column 804 is threadedly connected to the driving rod 807, the servo motor 806 is fixedly connected to the inside of the accommodating tube 6, and the output end of the servo motor 806 is fixedly connected to one end of the driving rod 807.

[0028] The threaded rod 4 is driven to rotate by the servo motor 1 5, so that the horizontal movement of the robot arm 3 can be controlled, and the clamping method of the main body 13 is selected according to the diameter of the main body 13. If the diameter of the main body 13 is larger than the diameter of the accommodating tube 6, the robot arm 3 is used to push the accommodating tube 6 to the inner side of the main body 13, and then the servo motor 2 806 is started to drive the driving rod 807 to rotate, thereby driving the connecting column 804 to move in the direction of the servo motor 2 806, that is, to move backward, and the pressing force of the table 805 on the push rod 801 is used to push the push rod 801 outward, so that the reset spring 803 is compressed and shortened, and the clamp 7 contacts the inner wall of the main body 13, so as to facilitate the clamping and welding of the small-sized stator.

[0029] like Figure 1 , Figure 3 and Figure 5As shown, the pressing mechanism 9 includes a connecting block 901, a connecting rod 902 and a slider 903, and the connecting rod 902 and the slider 903 are distributed in a circular array, one end of the connecting rod 902 is movably connected to the slider 903 through a rotating shaft, and the other end of the connecting rod 902 is movably connected to the outside of the connecting block 901 through a rotating shaft, and the connecting block 901 is fitted with one end of the driving rod 807, and the slider 903 is slidably connected to the end of the accommodating tube 6. The pressing mechanism 9 also includes a compression spring 904 and a pressure block 905, one end of the compression spring 904 is fixedly connected to the inside of the accommodating tube 6, and the other end of the compression spring 904 is fixedly connected to one end of the connecting block 901, and the pressure blocks 905 are distributed in a circular array, and the pressure blocks 905 are movably connected to the outside of the end of the accommodating tube 6, and the sliders 903 are fixedly connected to the pressure blocks 905.

[0030] If the diameter of the main body 13 is smaller than the diameter of the accommodating tube 6, the robot arm 3 is driven to approach the main body 13, and the servo motor 806 is started to drive the connecting column 804 to move forward, pressing the connecting block 901, shortening the compression spring 904, driving the connecting rod 902 to rotate, and pushing the slider 903 to move inside the accommodating tube 6, so that the pressure blocks 905 move away from each other, and the pressure blocks 905 are used to press the ends of the main body 13, thereby facilitating the clamping and welding of large-sized stators.

[0031] Working principle: When in use, first, place the body 13 on the top of the tray 12, then use the hydraulic rod 10 to push the support rod 11 and the tray 12 to move longitudinally, so as to move the body 13 to the opposite side of the accommodating tube 6, and drive the threaded rod 4 to rotate through the servo motor 1 5, so as to control the horizontal movement of the mechanical arm 3, and select the clamping method of the body 13 according to the diameter of the body 13. If the diameter of the body 13 is larger than the diameter of the accommodating tube 6, use the mechanical arm 3 to push the accommodating tube 6 to the inside of the body 13, and then start the servo motor 2 806 to drive the driving rod 807 to rotate, thereby driving the connecting column 804 to move in the direction of the servo motor 2 806, that is, to move backward, and use The pressing force of the table 805 on the push rod 801 pushes the push rod 801 outward, compresses and shortens the return spring 803, and the clamp 7 contacts the inner wall of the main body 13, thereby advantageously clamping the main body 13; if the diameter of the main body 13 is smaller than the diameter of the accommodating tube 6, the robot arm 3 is driven to approach the main body 13, and the servo motor 806 is started to drive the connecting column 804 to move forward, pressing the connecting block 901, shortening the compression spring 904, driving the connecting rod 902 to rotate, pushing the slider 903 to move inside the accommodating tube 6, making the pressure blocks 905 move away from each other, and using the pressure blocks 905 to press the end of the main body 13, and finally, using the welding machine 2 to weld the outer side of the main body 13.

[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A motor core stator laser welding device, comprising a base (1), characterized in that: A welding machine (2) is fixedly connected to one side of the base (1); a group of symmetrical mechanical arms (3) are movably connected to the top of the base (1); a group of symmetrical threaded rods (4) are movably connected to the inside of the base (1) through bearings; the threaded rods (4) penetrate the bottom end of the mechanical arm (3) and are threadedly connected to the mechanical arm (3); a servo motor (5) is fixedly connected to the inside of the base (1); an output end of the servo motor (5) is fixedly connected to one end of the threaded rod (4); a receiving tube (6) is fixedly connected to the top of each mechanical arm (3); a plurality of groups of clips (7) are arranged on the outside of the receiving tube (6), and each group of clips (7) is distributed in a circular array; a driving mechanism (8) is arranged inside the receiving tube (6), and the driving mechanism (8) is fixedly connected to one end of the clip (7); a pressing mechanism (9) is arranged at the front end of the receiving tube (6), and the driving mechanism (8) is movably connected to one end of the pressing mechanism (9).

2. The motor core stator laser welding equipment according to claim 1, characterized in that: A hydraulic rod (10) is fixedly connected inside the base (1), and a support rod (11) is fixedly connected to the top of the hydraulic rod (10), and a tray (12) is fixedly connected to the top of the support rod (11). The tray (12) is located on the opposite side of the accommodating cylinder (6), and a body (13) is placed inside the tray (12).

3. The motor core stator laser welding equipment according to claim 1, characterized in that: The driving mechanism (8) comprises a push rod (801), a push block (802) and a return spring (803); the push rod (801), the push block (802) and the return spring (803) are multiple groups, and each group of the push rod (801), the push block (802) and the return spring (803) is distributed in a circular array; the push rod (801) respectively passes through the push block (802), and the push rod (801) is fixedly connected to the push block (802); and the return spring (803) is respectively sleeved on the outside of the push rod (801).

4. The motor core stator laser welding equipment according to claim 3 is characterized in that: One end of the push rod (801) is fixedly connected to the inner side of the clamp (7), the push rod (801) passes through the accommodating tube (6), and the push rod (801) is movably connected to the accommodating tube (6), one end of the return spring (803) is fixedly connected to the push block (802), and the other end of the return spring (803) is fixedly connected to the inner wall of the accommodating tube (6).

5. The motor core stator laser welding equipment according to claim 4, characterized in that: The driving mechanism (8) further comprises a connecting column (804), a table (805) and a servo motor (806); the table (805) is arranged in a linear array; the connecting column (804) passes through the center of the table (805); the connecting column (804) is fixedly connected to the table (805); the inclined surfaces of the table (805) are both in contact with one end of the support rod (801); and both ends of the connecting column (804) are movably connected to the inner wall of the accommodating tube (6).

6. The motor core stator laser welding equipment according to claim 5, characterized in that: The servo motor 2 (806) and the driving rod (807), the driving rod (807) passes through the connecting column (804), and the connecting column (804) is threadedly connected to the driving rod (807), the servo motor 2 (806) is fixedly connected to the inside of the accommodating tube (6), and the output end of the servo motor 2 (806) is fixedly connected to one end of the driving rod (807).

7. The motor core stator laser welding equipment according to claim 6, characterized in that: The pressing mechanism (9) comprises a connecting block (901), a connecting rod (902) and a sliding block (903); the connecting rod (902) and the sliding block (903) are distributed in a circular array; one end of the connecting rod (902) is movably connected to the sliding block (903) via a rotating shaft, and the other end of the connecting rod (902) is movably connected to the outer side of the connecting block (901) via a rotating shaft; the connecting block (901) is fitted with one end of the driving rod (807), and the sliding block (903) is slidably connected to the end of the accommodating cylinder (6).

8. The motor core stator laser welding equipment according to claim 7, characterized in that: The pressing mechanism (9) further comprises a compression spring (904) and a pressure block (905), one end of the compression spring (904) being fixedly connected to the interior of the accommodating tube (6), and the other end of the compression spring (904) being fixedly connected to one end of the connecting block (901), the pressure blocks (905) being distributed in a circular array, the pressure blocks (905) being movably connected to the outer side of the end of the accommodating tube (6), and the sliders (903) being fixedly connected to the pressure blocks (905) respectively.

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