Motor stator circle splicing automatic positioning welding system

Abstract

The invention provides an automatic positioning and welding system for circle splicing of a motor stator, and relates to the technical field of welding of motor parts. The motor stator circle splicing automatic positioning welding system comprises an XYZ-axis driving mechanism, a welding gun, a rotating platform, a pressing mechanism and a multi-jaw chuck, the XYZ-axis driving mechanism is in driving connection with the welding gun so that the welding gun can move along the X axis, the Y axis and the Z axis, the multi-jaw chuck is connected to the rotating platform, the lower surface of a stator product is arranged on the upper surface of the rotating platform, and the pressing mechanism is arranged on the rotating platform. The multi-jaw chuck is used for clamping the side face of a stator product, and the pressing mechanism is arranged above the multi-jaw chuck and used for pressing the upper surface of the stator product. The multi-jaw chuck and the pressing mechanism can press the side face of the stator product on the upper surface, so that the stability of the stator product during welding is improved, and the welding quality is improved to a great extent.

Description

Technical Field

[0001] The invention relates to the technical field of welding of motor parts, and in particular to an automatic positioning welding system for a motor stator circle. Background Art

[0002] With the rapid development of motor manufacturing technology, the production efficiency and quality requirements of motor stators are increasing day by day. The motor stator is the stationary part of the motor. It consists of three parts: stator core, stator winding and frame. Its main function is to generate a rotating magnetic field. The motor stator is a ring-shaped structure, which is assembled by splicing multiple stator monomers, and has high requirements for assembly process.

[0003] In the traditional motor stator manufacturing process, stator rounding and welding are mostly done manually or semi-automatically. Manual operation has problems such as low precision, low efficiency, and high labor intensity. Although the semi-automatic method has improved production efficiency to a certain extent, it still has defects such as inaccurate positioning and unstable welding quality. In addition, with the expansion of motor manufacturing scale and the increase in complexity, traditional methods can no longer meet the needs of modern motor manufacturing. Summary of the invention

[0004] In order to solve the above problems at least to a certain extent, the present invention provides an automated positioning welding system for motor stator splicing, comprising an XYZ-axis drive mechanism, a welding gun, a rotating platform, a clamping mechanism and a multi-jaw chuck, wherein the XYZ-axis drive mechanism is connected to the welding gun drive so that the welding gun moves along the X-axis, the Y-axis and the Z-axis, the multi-jaw chuck is connected to the rotating platform, the lower surface of the stator product is arranged on the upper surface of the rotating platform, the multi-jaw chuck is used to clamp the side of the stator product, the clamping mechanism is arranged above the multi-jaw chuck, and the clamping mechanism is used to clamp the upper surface of the stator product.

[0005] Optionally, it also includes a welding room and a mobile platform, the XYZ axis drive mechanism is arranged in the welding room, the mobile platform includes a loading station and a welding station, the loading station is arranged outside the welding room, the welding work is arranged in the welding room, and the rotating platform is connected to the mobile platform.

[0006] Optionally, the XYZ-axis driving mechanism includes a Z-axis module, an X-axis module and a Y-axis module, the Y-axis module is connected to the inner bottom surface of the welding room, the Y-axis module is drivingly connected to the X-axis module, the X-axis module is drivingly connected to the Z-axis module, and the Z-axis module is drivingly connected to the welding gun.

[0007] Optionally, the pressing mechanism includes a pressing assembly and a flattening sleeve, the flattening sleeve is inserted on the multi-jaw chuck, and the pressing assembly is used to apply pressure to the flattening sleeve so that the flattening sleeve is pressed against the upper surface of the stator product.

[0008] Optionally, the lower pressure assembly includes a lower pressure electric cylinder, a movable plate, a first pressure plate, a buffer assembly and a second pressure plate, the piston rod of the lower pressure electric cylinder is connected to the movable plate, the movable plate is connected to the upper surface of the first pressure plate, and the other side of the first pressure plate is connected to the second pressure plate through the buffer assembly.

[0009] Optionally, the buffer assembly includes springs, and a plurality of the springs are connected to opposite surfaces of the first pressing plate and the second pressing plate.

[0010] Optionally, the clamping mechanism also includes a sliding rod and a bracket, the bracket is connected to the inner bottom surface of the welding room, the lower pressure cylinder is connected to the bracket, one end of the sliding rod is connected to the movable plate, and the other end of the sliding rod is slidably connected to the bracket.

[0011] Optionally, a rotation driving mechanism is further included, and the rotation driving mechanism is drivingly connected to the rotating platform to drive the rotating platform to rotate.

[0012] Optionally, the rotary drive mechanism includes a motor, a driving shaft, a driving gear, a driven gear and a driven shaft, the output shaft of the motor is drivingly connected to the driving shaft, the driving gear is meshingly connected to the driven gear, the driving gear and the driven gear are respectively mounted on the driving shaft and the driven shaft, and the driven shaft is connected to the rotating platform.

[0013] Optionally, a chip blowing mechanism is further included, wherein the chip blowing mechanism is connected to the welding gun and is used for blowing air in the direction of the multi-jaw chuck.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The XYZ-axis drive mechanism can drive the welding gun to accurately position and move in three-dimensional space, providing great flexibility and accuracy for welding operations. The rotating platform can drive the multi-claw chuck to rotate, thereby driving the stator product to rotate, and then facilitating the welding gun to weld various positions of the stator product. The multi-claw chuck and the clamping mechanism can respectively clamp the side of the stator product on the upper surface, thereby improving the stability of the stator product during welding and greatly improving the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure inside a welding room according to an embodiment of the present invention;

[0018] Figure 3 It is a partial structural schematic diagram of an embodiment of the present invention;

[0019] Figure 4 for Figure 3 AA section view in.

[0020] Description of reference numerals:

[0021] 1. Welding room; 2. Mobile platform; 3. XYZ axis drive mechanism; 31. Z axis module; 32. X axis module; 33. Y axis module; 4. Welding gun; 5. Rotating platform; 6. Chip blowing mechanism; 7. Clamping mechanism; 71. Lower pressure cylinder; 72. Moving plate; 73. First pressure plate; 74. Buffer assembly; 75. Second pressure plate; 76. Sliding rod; 77. Bracket; 78. Flattening sleeve; 8. Rotating drive mechanism; 81. Driving shaft; 82. Driving gear; 83. Driven gear; 84. Driven shaft; 9. Multi-jaw chuck; 100. Stator product. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment", "some embodiments", "exemplarily" and "one embodiment" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or embodiment are included in at least one embodiment or embodiment of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or embodiment. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or embodiments in a suitable manner.

[0025] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0026] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an embodiment of the present invention provides an automated positioning welding system for motor stator splicing, comprising an XYZ-axis drive mechanism 3, a welding gun 4, a rotating platform 5, a clamping mechanism 7 and a multi-jaw chuck 9, wherein the XYZ-axis drive mechanism 3 is driven and connected to the welding gun 4 so that the welding gun 4 moves along the X-axis, the Y-axis and the Z-axis, the multi-jaw chuck 9 is connected to the rotating platform 5, the lower surface of the stator product 100 is arranged on the upper surface of the rotating platform 5, the multi-jaw chuck 9 is used to clamp the side of the stator product 100, the clamping mechanism 7 is arranged above the multi-jaw chuck 9, and the clamping mechanism 7 is used to clamp the upper surface of the stator product 100.

[0027] In this embodiment, the XYZ-axis driving mechanism 3 can drive the welding gun 4 to accurately position and move in three-dimensional space, providing great flexibility and accuracy for the welding operation. The rotating platform 5 can drive the multi-jaw chuck 9 to rotate, thereby driving the stator product 100 to rotate, thereby facilitating the welding gun 4 to weld various positions of the stator product 100. The multi-jaw chuck 9 and the clamping mechanism 7 can respectively clamp the side surfaces of the stator product 100 on the upper surface, thereby improving the stability of the stator product 100 during welding and greatly improving the welding quality.

[0028] Optionally, the motor stator circle automatic positioning welding system also includes a welding room 1 and a mobile platform 2, the XYZ axis drive mechanism 3 is arranged in the welding room 1, the mobile platform 2 includes a loading station and a welding station, the loading station is arranged outside the welding room 1, the welding work is arranged in the welding room 1, and the rotating platform 5 is connected to the mobile platform 2.

[0029] Optionally, the XYZ-axis driving mechanism 3 includes a Z-axis module 31, an X-axis module 32 and a Y-axis module 33, the Y-axis module 33 is connected to the inner bottom surface of the welding room 1, the Y-axis module 33 is drivingly connected to the X-axis module 32, the X-axis module 32 is drivingly connected to the Z-axis module 31, and the Z-axis module 31 is drivingly connected to the welding gun 4.

[0030] In this embodiment, the Y-axis module 33 is connected to the inner bottom surface of the welding room 1, serving as the basis of the entire XYZ-axis drive mechanism 3. The X-axis module 32 is driven and connected by the Y-axis module 33, that is, the X-axis module 32 can move forward and backward (in the Y-axis direction) along the Y-axis module 33, and the Z-axis module 31 is driven and connected by the X-axis module 32, that is, the Z-axis module 31 can move left and right (in the X-axis direction) along the X-axis module 32. The Z-axis module 31 is driven and connected to the welding gun 4, which means that the welding gun 4 can move in the vertical direction as the Z-axis module 31 is raised and lowered, thereby enabling the welding gun 4 to be accurately positioned and moved in three-dimensional space, providing great flexibility and accuracy for welding operations.

[0031] Optionally, the pressing mechanism 7 includes a pressing assembly and a flattening sleeve 78 , the flattening sleeve 78 is inserted on the multi-jaw chuck 9 , and the pressing assembly is used to apply pressure to the flattening sleeve 78 so that the flattening sleeve 78 presses against the upper surface of the stator product 100 .

[0032] In this embodiment, the pressing mechanism 7 applies pressure to the flattening sleeve 78 so that the flattening sleeve 78 is pressed against the upper surface of the stator product 100 , thereby flattening and pressing the upper surface of the stator product 100 , thereby improving the stability of the stator product 100 during welding.

[0033] Optionally, the pressing assembly includes a pressing electric cylinder 71, a movable plate 72, a first pressing plate 73, a buffer assembly 74 and a second pressing plate 75, the piston rod of the pressing electric cylinder 71 is connected to the movable plate 72, the movable plate 72 is connected to the upper surface of the first pressing plate 73, and the other side of the first pressing plate 73 is connected to the second pressing plate 75 through the buffer assembly 74.

[0034] In this embodiment, the piston rod of the lower pressure cylinder 71 drives the movable plate 72 to move downward, and then drives the first pressure plate 73 and the second pressure plate 75 to move downward synchronously, and then the lower surface of the second pressure plate 75 is pressed to the upper surface of the flattening sleeve 78, so that the lower surface of the flattening sleeve 78 is pressed to the upper surface of the stator product 100, thereby flattening the stator product 100.

[0035] Optionally, the buffer assembly 74 includes springs, and a plurality of the springs are connected to opposite surfaces of the first pressing plate 73 and the second pressing plate 75 .

[0036] Optionally, the clamping mechanism 7 also includes a sliding rod 76 and a bracket 77, the bracket 77 is connected to the inner bottom surface of the welding room 1, the lower pressure cylinder 71 is connected to the bracket 77, one end of the sliding rod 76 is connected to the movable plate 72, and the other end of the sliding rod 76 is slidably connected to the bracket 77.

[0037] In this embodiment, the upper part of the bracket 77 can be a support plate, and the lower part can be four support legs. The support legs are connected to the inner bottom surface of the welding room 1 so that the support plate is located above the movable platform 2. The lower piezoelectric cylinder 71 is installed on the upper surface of the support plate by screws. The support plate is provided with a through hole for the slide rod 76 to slide through. When the lower piezoelectric cylinder 71 drives the movable plate 72 to move up and down, the slide rod 76 can slide in the through hole, thereby guiding the movable plate 72 and improving the accuracy of the movable plate 72 when moving vertically.

[0038] Optionally, the motor stator circle automatic positioning welding system further includes a rotary drive mechanism 8, and the rotary drive mechanism 8 is drivingly connected to the rotary platform 5 to drive the rotary platform 5 to rotate.

[0039] Optionally, the rotating drive mechanism 8 includes a motor, a driving shaft 81, a driving gear 82, a driven gear 83 and a driven shaft 84, the output shaft of the motor is drivingly connected to the driving shaft 81, the driving gear 82 is meshingly connected to the driven gear 83, the driving gear 82 and the driven gear 83 are respectively mounted on the driving shaft 81 and the driven shaft 84, and the driven shaft 84 is connected to the rotating platform 5.

[0040] In this embodiment, the driving shaft 81 is driven by a motor to rotate, so that the driving gear 82 on the driving shaft 81 rotates synchronously, and then drives the driven gear 83 to rotate synchronously, and finally drives the rotating platform 5 to rotate through the driven shaft 84, so that the multi-claw chuck 9 rotates. In this way, the stator product 100 can rotate, so that the welding gun 4 can weld various surfaces of the stator product 100.

[0041] Optionally, the motor stator circle automatic positioning welding system further includes a chip blowing mechanism 6 , which is connected to the welding gun 4 and is used for blowing air toward the multi-claw chuck 9 .

[0042] In this embodiment, the chip blowing mechanism 6 is connected to the welding gun 4 by some kind of connecting parts (such as a connecting frame, a pipe, etc.) to ensure that the chip blowing mechanism 6 can be stably fixed on the welding gun 4 and move with the movement of the welding gun 4. The chip blowing mechanism 6 can be a fan, an air pump and other equipment that blows air through a blow pipe toward the multi-claw chuck 9, so that the stator product 100 can remove welding slag, metal chips or other impurities near the welding area by blowing during or after welding, so as to ensure the welding quality and safe operation of the equipment.

[0043] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will fall within the protection scope of the present invention.

Claims

1. An automatic positioning welding system for motor stator circle splicing, characterized in that: The invention comprises an XYZ axis driving mechanism (3), a welding gun (4), a rotating platform (5), a clamping mechanism (7) and a multi-jaw chuck (9); the XYZ axis driving mechanism (3) is drivingly connected to the welding gun (4) so ​​that the welding gun (4) moves along the X axis, the Y axis and the Z axis; the multi-jaw chuck (9) is connected to the rotating platform (5); the lower surface of the stator product (100) is arranged on the upper surface of the rotating platform (5); the multi-jaw chuck (9) is used to clamp the side surface of the stator product (100); the clamping mechanism (7) is arranged above the multi-jaw chuck (9); and the clamping mechanism (7) is used to clamp the upper surface of the stator product (100).

2. The motor stator circle automatic positioning welding system according to claim 1, characterized in that: It also includes a welding room (1) and a mobile platform (2), wherein the XYZ axis drive mechanism (3) is arranged in the welding room (1), the mobile platform (2) includes a loading station and a welding station, the loading station is arranged outside the welding room (1), the welding work is arranged in the welding room (1), and the rotating platform (5) is connected to the mobile platform (2).

3. The motor stator circle automatic positioning welding system according to claim 2, characterized in that: The XYZ axis driving mechanism (3) comprises a Z axis module (31), an X axis module (32) and a Y axis module (33); the Y axis module (33) is connected to the inner bottom surface of the welding room (1); the Y axis module (33) is drivingly connected to the X axis module (32); the X axis module (32) is drivingly connected to the Z axis module (31); and the Z axis module (31) is drivingly connected to the welding gun (4).

4. The motor stator circle automatic positioning welding system as claimed in claim 3, characterized in that: The pressing mechanism (7) comprises a pressing assembly and a flattening sleeve (78), wherein the flattening sleeve (78) is inserted into the multi-jaw chuck (9), and the pressing assembly is used to apply pressure to the flattening sleeve (78) so that the flattening sleeve (78) is pressed against the upper surface of the stator product (100).

5. The motor stator circle automatic positioning welding system according to claim 4, characterized in that: The lower pressing assembly includes a lower pressing electric cylinder (71), a movable plate (72), a first pressing plate (73), a buffer assembly (74) and a second pressing plate (75); the piston rod of the lower pressing electric cylinder (71) is connected to the movable plate (72); the movable plate (72) is connected to the upper surface of the first pressing plate (73); and the other side surface of the first pressing plate (73) is connected to the second pressing plate (75) through the buffer assembly (74).

6. The motor stator circle automatic positioning welding system according to claim 5, characterized in that: The buffer assembly (74) includes springs, and a plurality of the springs are connected to the opposite surfaces of the first pressing plate (73) and the second pressing plate (75).

7. The motor stator circle automatic positioning welding system according to claim 6, characterized in that: The clamping mechanism (7) also includes a sliding rod (76) and a bracket (77), wherein the bracket (77) is connected to the inner bottom surface of the welding room (1), the lower pressure cylinder (71) is connected to the bracket (77), one end of the sliding rod (76) is connected to the movable plate (72), and the other end of the sliding rod (76) is slidably connected to the bracket (77).

8. The motor stator circle automatic positioning welding system according to claim 7, characterized in that: It also comprises a rotation driving mechanism (8), wherein the rotation driving mechanism (8) is drivingly connected to the rotating platform (5) so as to drive the rotating platform (5) to rotate.

9. The motor stator circle automatic positioning welding system according to claim 8, characterized in that: The rotary drive mechanism (8) comprises a motor, a driving shaft (81), a driving gear (82), a driven gear (83) and a driven shaft (84); the output shaft of the motor is drivingly connected to the driving shaft (81); the driving gear (82) is meshingly connected to the driven gear (83); the driving gear (82) and the driven gear (83) are respectively mounted on the driving shaft (81) and the driven shaft (84); and the driven shaft (84) is connected to the rotary platform (5).

10. The motor stator circle automatic positioning welding system according to claim 1, characterized in that: It also comprises a chip blowing mechanism (6), which is connected to the welding gun (4) and is used for blowing air in the direction of the multi-jaw chuck (9).

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