Clamping and shaping equipment and process for Xpin stator

Abstract

The clamping and shaping equipment comprises a working table and an assembling frame installed on the top of the working table, and a jacking rotating assembly used for lifting the stator and a clamping assembly used for fixing the stator are installed on the working face of the working table. A clamping and shaping assembly used for clamping and shaping adjacent layers of copper wires of the stator is arranged in the middle of the assembling frame, and an inner supporting cylinder piece used for clamping two adjacent layers of copper wires is further arranged on the inner layer of the stator; before Xpin stator welding, the Xpin stator can be clamped and shaped, it is guaranteed that adjacent layers of copper wires are tightly attached, and the welding effect is improved.

Description

Technical Field

[0001] The invention belongs to the field of stator processing equipment, and in particular relates to a clamping and shaping device and process for an Xpin stator. Background Art

[0002] Xpin stator technology is an advanced motor winding design technology, and its name comes from its special winding structure, which is a staggered interlaced spiral winding. Compared with the traditional winding structure, the Xpin stator adopts a more compact and orderly arrangement, which effectively improves the filling factor of the winding, reduces the resistance and inductance of the winding, and thus improves the efficiency and power density of the motor. The design of the Xpin stator is inspired by the spiral structure in biology. The spiral shape is introduced into the motor winding through the method of bionics, achieving a more compact and efficient arrangement.

[0003] However, before welding the Xpin stator, it needs to be clamped and shaped to ensure that the adjacent layers of copper wires are in close contact to ensure the subsequent welding effect.

[0004] Therefore, how to stably clamp the Xpin stator is a technical problem that current welding equipment needs to solve. At the same time, how to cooperate with the equipment to perform accurate and efficient operation processes is also a derived technical problem. Summary of the invention

[0005] In view of the above defects, the present invention provides a clamping and shaping device for an Xpin stator, comprising a workbench and an assembly rack installed on the top of the workbench, the working surface of the workbench is installed with a lifting and rotating assembly for lifting and lowering the stator and a clamping assembly for fixing the stator, the middle part of the assembly rack is provided with a clamping and shaping assembly for clamping and shaping adjacent layers of copper wires of the stator, and the inner layer of the stator is also provided with an inner support cylinder for clamping two adjacent layers of copper wires;

[0006] The clamping and shaping assembly is installed on the front of the vertically moving linear module III, the linear module III is installed on the top of the linear module II that moves left and right, the left and right ends of the linear module II are installed on the top of the linear module I that moves forward and backward, and the linear module I is installed on the top of the assembly frame;

[0007] The clamping and shaping assembly includes a motor mounting plate and a servo reduction motor installed on the top thereof. The motor mounting plate is connected to the moving end of the linear module III through a moving plate. The moving plate is also equipped with a pneumatic clamp that is driven to rotate by the servo reduction motor.

[0008] Furthermore, the clamping assembly includes a fixed disk, an outer ring of the fixed disk is fixed with a support, the support is fixed to the top of the lifting and rotating assembly through a support column, a plurality of push teeth distributed in a circular array with the fixed disk as the center are slidably arranged on the fixed disk, each push tooth is provided with a follower, a rotating disk is arranged on the top of the fixed disk, and a plurality of arc grooves distributed in a circular array with the fixed disk as the center are opened through the rotating disk, and each arc groove has three followers evenly distributed along its curvature, a push rod is installed at the outward end of the rotating disk, the rotating disk is rotatably arranged on the inner side of the fixed disk, the cover plate is fixedly installed on the top of the fixed disk, and the rotating disk is located between the fixed disk and the cover plate.

[0009] Furthermore, the outer ring of the fixed disk is provided with an arc-shaped slot for limiting the outward end, and the outer ring of the fixed disk is fixed with an arc-shaped block located on the same side as the arc-shaped slot. The outward end is fixed to a slider slidably connected to the inside of the arc-shaped block by bolts, and a positioning block for limiting is also movably installed inside the arc-shaped block.

[0010] Furthermore, a groove adapted to the support column is provided on the top of the lifting and rotating assembly to achieve a rotation adjustment angle of 120° for each clamping and shaping assembly.

[0011] Furthermore, the inner support cylinder member includes an inner support cylinder, the top of the inner support cylinder is integrally formed with a handle for manual gripping, the outer ring of the inner support cylinder is provided with an inner ring, an outer ring I and an outer ring II from bottom to top, the outer ring I is provided with a cross-slot I, the span between the cross-slot I and the outer ring I is used to accommodate two layers of copper wire, the outer ring II is provided with a cross-slot II, the span between the cross-slot II and the outer ring II can accommodate four layers of copper wire.

[0012] Furthermore, the inner ring, outer ring I and outer ring II are each provided with a plurality of protrusions, and the number of the protrusions is consistent with the number of the push teeth.

[0013] The present invention also discloses a shaping process based on the above-mentioned clamping shaping device based on the Xpin stator, comprising the following steps:

[0014] S1: Place the stator with copper wire inserted on the lifting and rotating assembly, and then sleeve the clamping assembly on the end of the stator;

[0015] S2: placing the inner support cylinder on the inner layer of the stator, so that the inner ring, outer ring I and outer ring II evenly divided on the inner support cylinder are respectively close to the inner sides of the copper wires of the first layer, the third layer and the fifth layer, and then the push teeth at the corresponding positions of the inner ring, outer ring I and outer ring II are extended to respectively contact the outer sides of the copper wires of the second layer, the fourth layer and the sixth layer, so as to achieve the purpose of clamping the copper wires of two adjacent layers;

[0016] S3: The pneumatic clamp at the bottom of the clamping and shaping component clamps the two opposite copper wires, and then rotates at a certain angle to make the two copper wires close to each other closer. Each time a pair of copper wires are clamped, the lifting and rotating component drives the stator to rotate, so that the clamping and shaping component faces the next pair of copper wires, and completes the clamping and shaping of the next pair of copper wires, thereby completing the clamping and shaping of the copper wire pairs of adjacent layers of copper wires at the one-to-one corresponding positions of the inner ring, outer ring I and outer ring II;

[0017] S4: The inner support tube and the clamping assembly are simultaneously rotated 120° for adjustment;

[0018] S5, repeat step S2 to complete the work of clamping the copper wires. After completing step S2, continue to repeat the action of step S3 to achieve the clamping and shaping of the copper wire pairs of adjacent layers of copper wires in sequence;

[0019] S5: After repeating step S4 to adjust the angle, the above steps S2 and S3 are then repeated to complete the clamping and shaping of the copper wire.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] Before welding the Xpin stator, it can be clamped and shaped to ensure that the adjacent layers of copper wires are close together and improve the welding effect:

[0022] The pneumatic clamps at the bottom of the clamping and shaping component clamp the two opposite copper wires, and then rotate at a certain angle to make the two copper wires close to each other closer. Each time a pair of copper wires is clamped, the lifting and rotating component drives the stator to rotate, so that the clamping and shaping component faces the next pair of copper wires, and completes the clamping and shaping of the next pair of copper wires, thereby completing the clamping and shaping of the copper wire pairs of adjacent layers of copper wires in the one-to-one corresponding positions of the inner ring, outer ring I and outer ring II, so as to achieve a more precise and stable welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a stereoscopic diagram of the clamping and shaping device in the present invention.

[0024] Figure 2 It is a schematic diagram of the structure of the clamping and shaping assembly and the welding gun in the present invention.

[0025] Figure 3 It is a schematic diagram of the coordination structure of the lifting and rotating assembly and the clamping assembly in the present invention.

[0026] Figure 4 It is an exploded view of the clamping assembly in the present invention.

[0027] Figure 5 It is a top view of the clamping assembly in the present invention.

[0028] Figure 6 It is a schematic diagram of the structure of the push teeth and the slide groove in the present invention.

[0029] Figure 7 It is a schematic diagram of the structure of the inner support tube in the present invention.

[0030] Figure 8 It is a schematic diagram of the structure of the push gear and the inner support cylinder in the present invention.

[0031] Fig. 9 for Figure 8 A magnified schematic diagram of center A.

[0032] Fig.10 This is a schematic diagram of the structure of the arc block.

[0033] In the figure: 1, workbench; 2, assembly frame; 3, clamping and shaping assembly; 301, servo reduction motor; 302, motor mounting plate; 303, moving plate; 304, pneumatic clamping jaw; 307, bearing mounting seat; 308, bearing; 309, clamping jaw mounting seat; 4, clamping assembly; 401, fixed plate; 402, support column; 403, support; 404, push gear; 405, follower; 406, rotating plate; 407, arc groove; 408, push rod; 410, cover plate; 411, arc-shaped notch; 412, arc-shaped block; 413, slider; 414, positioning block; 415, slide groove; 5, linear module II; 6, linear module III; 7, linear module I; 8, inner support cylinder; 801, inner support cylinder; 802, handle; 803, inner ring; 804, outer ring I; 805, outer ring II; 806, cross-slot I; 807, cross-slot II; 808, protrusion; 9, lifting and rotating assembly; 10, stator. DETAILED DESCRIPTION

[0034] In order to facilitate the understanding of the present invention, the device of the present invention will be described more fully below with reference to the relevant drawings. Embodiments of the device are given in the drawings. However, the device can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Example

[0037] like Figure 1As shown, the present embodiment provides a clamping and shaping device for an Xpin stator, comprising a workbench 1 and an assembly frame 2 installed on the top of the workbench 1, the working surface of the workbench 1 is installed with a lifting and rotating assembly 9 for lifting and lowering the stator 10 and a clamping assembly 4 for fixing the stator 10, the middle part of the assembly frame 2 is provided with a clamping and shaping assembly 3 for clamping and shaping adjacent layers of copper wires of the stator 10, and the inner layer of the stator 10 is also provided with an inner support cylinder 8 for clamping two adjacent layers of copper wires. It should be noted that the lifting and rotating assembly 9 is a prior art, and the lifting and rotating assembly 9 used in this embodiment is the "lifting and rotating assembly 9" in the invention patent with application number 202411517784.5 (a core feeding detection device), and its structural principle is the same, which will not be repeated here, such as Figure 3 As shown, during operation, the stator 10 is placed on the top of the lifting and rotating assembly 9, and the lifting and rotating assembly 9 can achieve the purpose of lifting and rotating the stator 10 to cooperate in completing the work of clamping and welding the copper wire.

[0038] Detailed, such as Figure 2 As shown, the clamping and shaping component 3 is installed on the front side of the vertically movable linear module III6, so that the pneumatic clamping claw 304 can move up and down to achieve the purpose of clamping and shaping. The linear module III6 is installed on the top of the linear module II5 that moves left and right. The left and right ends of the linear module II5 are installed on the top of the linear module I7 that moves forward and backward. The linear module I7 is installed on the top of the assembly frame 2. It should be noted that the above three linear modules are all traditional linear slide structures, which can realize traditional linear motion, and the timing can be set by the PLC controller to realize automatic motion, which will not be described in detail here.

[0039] The clamping and shaping component 3 includes a motor mounting plate 302 and a servo reduction motor 301 installed on the top thereof. The motor mounting plate 302 is connected to the moving end of the linear module III6 through a moving plate 303. The moving plate 303 is also equipped with a pneumatic clamp 304 that is driven and rotated by the servo reduction motor 301. The pneumatic clamp 304 is movably installed at the clamp mounting seat 309 to facilitate subsequent disassembly and maintenance. The servo reduction motor 301 and the clamp mounting seat 309 are connected via a bearing mounting seat 307 installed on the moving plate 303. The bearing mounting seat 307 realizes the connection between the output end of the servo reduction motor 301 and the clamp mounting seat 309 through the bearing 308 installed inside, thereby completing the work of driving the pneumatic clamp 304 to rotate by the rotation of the servo reduction motor 301.

[0040] Detailed, such as Figure 4-6As shown, the clamping assembly 4 includes a fixed plate 401, and a support 403 is fixed to the outer ring of the fixed plate 401. The support 403 is fixed to the top of the lifting and rotating assembly 9 through a support column 402. It should be noted that a groove adapted to the support column 402 is provided on the top of the lifting and rotating assembly 9, so as to realize the rotation adjustment angle of the clamping and shaping assembly 3 by 120° each time;

[0041] A plurality of slide grooves 415 are slidably provided on the fixed disk 401 and are distributed in a circular array with the fixed disk 401 as the center, and a push tooth 404 is installed in each slide groove 415 for sliding connection, and a follower 405 is provided on each push tooth 404, and a rotating disk 406 is provided on the top of the fixed disk 401, and a plurality of arc grooves 407 are opened through the rotating disk 406 and are distributed in a circular array with the fixed disk 401 as the center, and each arc groove 407 has three followers 405 evenly distributed along its arc, and a push rod 408 is installed on the outward end of the rotating disk 406, wherein the rotating disk 406 is rotatably provided on the inner side of the fixed disk 401, and the cover plate 410 is fixedly installed on the top of the fixed disk 401, and the rotating disk 406 is located between the fixed disk 401 and the cover plate 410;

[0042] like Fig.10 As shown, the outer ring of the fixed disk 401 is provided with an arc-shaped groove 411 for limiting the outward end, and the outer ring of the fixed disk 401 is fixed with an arc-shaped block 412 located on the same side as the arc-shaped groove 411, and the outward end is fixed to a slider 413 slidably connected to the inside of the arc block 412 by an indexing pin, and the outward end is fixed on the slider 413, and a positioning block 414 for limiting is also movably installed inside the arc block 412 (a fixing groove is provided at the bottom of the arc block 412, and the positioning block 414 passes through the fixing groove through a fastening bolt to fix it at an appropriate position of the arc block 412), wherein the outward end swings in an arc shape along the arc block 412 through the slider 416 (to realize the subsequent extension and retraction of the push tooth 404), and after the position of the push rod 408 is adjusted, the push rod 408 is positioned and fixed by the positioning block 414.

[0043] Detailed, such as Figure 7-8 As shown, the inner support cylinder member 8 includes an inner support cylinder 801, the top of the inner support cylinder 801 is integrally formed with a handle 802 for manual gripping and disassembly, the outer ring of the inner support cylinder 801 is provided with an inner ring 803, an outer ring I804 and an outer ring II805 from bottom to top, the outer ring I804 is provided with a cross groove I806, the span between the cross groove I806 and the outer ring I804 is used to accommodate two layers of copper wires, the outer ring II805 is provided with a cross groove II807, the span between the cross groove II807 and the outer ring II805 can accommodate four layers of copper wires, and can achieve the purpose of clamping the copper wires without damaging or deflecting the copper wires;

[0044] It should be noted that the number (n / 2-1) of outer rings (i.e., outer ring I804 and outer ring II805) is set according to the number of layers n of the stator 10, and the arc range of the inner ring 803 and the outer ring is evenly distributed according to the number of two-layer copper wire groups (720° / n) to ensure that the clamping and shaping work can be achieved after the stator 10 rotates one circle, and the inner ring 803, the outer ring I804 and the outer ring II805 are all provided with a plurality of protrusions 808, and the number of protrusions 808 is consistent with the number of push teeth 404. During the clamping process, the copper wire pair is placed between the push teeth 404 and the protrusions 808, so that the copper wire pair is first tightly attached, and then the pneumatic clamp 304 clamps the upper end of the copper wire pair, and then the servo reduction motor 301 drives the pneumatic clamp 304 to rotate, so that the relative surfaces of the copper wire pair are further tightly attached, thereby avoiding the problem of large and uneven solder joints caused by large cracks in the copper wire pair (the copper wire pair is Fig. 9 There are several pairs of copper wires represented by ∧ in the figure).

[0045] The clamping and shaping process of the Xpin stator in this embodiment specifically includes:

[0046] S1: Place the stator 10 with the copper wire inserted on the lifting and rotating assembly 9, and then sleeve the clamping assembly 4 on the end of the stator 10;

[0047] S2: placing the inner support cylinder 8 in the inner layer of the stator 10, so that the inner ring 803, outer ring I804 and outer ring II805 evenly divided on the inner support cylinder 8 are respectively pressed against the inner sides of the copper wires of the first layer, the third layer and the fifth layer from the inside to the outside, and then the push teeth 404 at the corresponding positions of the inner ring 803, the outer ring I804 and the outer ring II805 are extended to respectively contact the outer sides of the copper wires of the second layer, the fourth layer and the sixth layer, so as to achieve the purpose of clamping the copper wires of two adjacent layers from the inside to the outside in pairs;

[0048] S3: The pneumatic clamp 304 at the bottom of the clamping and shaping component 3 clamps the two opposite copper wires, and then rotates at a certain angle to make the two copper wires close to each other closer. Each time a pair of copper wires are clamped, the lifting and rotating component 9 drives the stator 10 to rotate, so that the clamping and shaping component 3 faces the next pair of copper wires, and completes the clamping and shaping of the next pair of copper wires, thereby completing the clamping and shaping of the copper wire pairs of adjacent layers of copper wires at the one-to-one corresponding positions of the inner ring 803, the outer ring I804 and the outer ring II805;

[0049] S4: The inner support tube 8 and the clamping assembly 4 are simultaneously rotated 120°;

[0050] S5, repeat step S2 to complete the work of clamping the copper wires. After completing step S2, continue to repeat the action of step S3 to achieve the clamping and shaping of the copper wire pairs of adjacent layers of copper wires in sequence;

[0051] S5: After repeating step S4 to adjust the angle, the above steps S2 and S3 are then repeated to complete the clamping and shaping of the copper wire.

[0052] It should be noted that the structure described in the present invention can be implemented in a variety of different forms and is not limited to the described embodiments. Any equivalent transformations made by ordinary technicians in this field using the contents of the present invention description and drawings, or directly or indirectly applied to other related technical fields, such as the loading and unloading of other items, are included in the protection scope of the present invention.

Claims

1. The clamping and shaping equipment of the Xpin stator includes a workbench and an assembly frame installed on the top of the workbench. The working surface of the workbench is equipped with a lifting and rotating assembly for lifting and lowering the stator and a clamping assembly for fixing the stator. The characteristics are: The middle part of the assembly frame is provided with a clamping and shaping assembly for clamping and shaping adjacent layers of copper wires of the stator, and the inner layer of the stator is also provided with an inner support cylinder for clamping two adjacent layers of copper wires; The clamping and shaping assembly is installed on the front of the vertically moving linear module III, the linear module III is installed on the top of the linear module II that moves left and right, the left and right ends of the linear module II are installed on the top of the linear module I that moves forward and backward, and the linear module I is installed on the top of the assembly frame; The clamping and shaping assembly includes a motor mounting plate and a servo reduction motor installed on the top thereof. The motor mounting plate is connected to the moving end of the linear module III through a moving plate. The moving plate is also equipped with a pneumatic clamp that is driven to rotate by the servo reduction motor.

2. The clamping and shaping device for the Xpin stator according to claim 1, characterized in that: The clamping assembly includes a fixed disk, an outer ring of the fixed disk is fixed with a support, the support is fixed to the top of the lifting and rotating assembly through a support column, a plurality of push teeth distributed in a circular array with the fixed disk as the center are slidably arranged on the fixed disk, each push tooth is provided with a follower, a rotating disk is arranged on the top of the fixed disk, and a plurality of arc grooves distributed in a circular array with the fixed disk as the center are opened through the rotating disk, and each arc groove has three followers evenly distributed along its curvature, a push rod is installed at the outward end of the rotating disk, the rotating disk is rotatably arranged on the inner side of the fixed disk, the cover plate is fixedly installed on the top of the fixed disk, and the rotating disk is located between the fixed disk and the cover plate.

3. The clamping and shaping device for the Xpin stator according to claim 2, characterized in that: The outer ring of the fixed disk is provided with an arc-shaped slot for limiting the outward end, and the outer ring of the fixed disk is fixed with an arc-shaped block located on the same side as the arc-shaped slot. The outward end is fixed to a slider slidably connected to the inside of the arc-shaped block by bolts, and a positioning block for limiting is also movably installed inside the arc-shaped block.

4. The clamping and shaping device for an Xpin stator as claimed in claim 2, characterized in that: A groove adapted to the support column is provided on the top of the lifting and rotating assembly to achieve a rotation adjustment angle of 120° for each clamping and shaping assembly.

5. The clamping and shaping device for the Xpin stator according to claim 2, characterized in that: The inner support cylinder member includes an inner support cylinder, the top of which is integrally formed with a handle for manual gripping, the outer ring of the inner support cylinder is provided with an inner ring, an outer ring I and an outer ring II from bottom to top, the outer ring I is provided with a cross-slot I, the span between the cross-slot I and the outer ring I is used to accommodate two layers of copper wires, the outer ring II is provided with a cross-slot II, the span between the cross-slot II and the outer ring II can accommodate four layers of copper wires, and can achieve the purpose of clamping the copper wires without damaging or distorting the copper wires.

6. The clamping and shaping device for the Xpin stator according to claim 5, characterized in that: The inner ring, outer ring I and outer ring II are all provided with a plurality of protrusions, and the number of the protrusions is consistent with the number of the push teeth.

7. A clamping and shaping process based on an Xpin stator, comprising a clamping and shaping device for an Xpin stator according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1: Place the stator with copper wire inserted on the lifting and rotating assembly, and then sleeve the clamping assembly on the end of the stator; S2: placing the inner support cylinder on the inner layer of the stator, so that the inner ring, outer ring I and outer ring II evenly divided on the inner support cylinder are respectively close to the inner sides of the copper wires of the first layer, the third layer and the fifth layer, and then the push teeth at the corresponding positions of the inner ring, outer ring I and outer ring II are extended to respectively contact the outer sides of the copper wires of the second layer, the fourth layer and the sixth layer, so as to achieve the purpose of clamping the copper wires of two adjacent layers; S3: The pneumatic clamp at the bottom of the clamping and shaping component clamps the two opposite copper wires, and then rotates to make the two copper wires close to each other closer. Each time a pair of copper wires are clamped, the lifting and rotating component drives the stator to rotate, so that the clamping and shaping component faces the next pair of copper wires, and completes the clamping and shaping of the next pair of copper wires, thereby completing the clamping and shaping of the copper wire pairs of adjacent layers of copper wires at the one-to-one corresponding positions of the inner ring, outer ring I and outer ring II; S4: The inner support tube and the clamping assembly are simultaneously rotated 120° for adjustment; S5, repeat step S2 to complete the work of clamping the copper wires. After completing step S2, continue to repeat the action of step S3 to achieve the clamping and shaping of the copper wire pairs of adjacent layers of copper wires in sequence; S5: After repeating step S4 to adjust the angle, the above steps S2 and S3 are then repeated to complete the clamping and shaping of the copper wire.

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