An eccentric wheel multi-station straight bar motor stator winding machine

Abstract

The application relates to the technical field of motor winding machines, in particular to an eccentric wheel multi-station straight-bar motor stator winding machine. The winding machine comprises a machine box, an eccentric winding mechanism, a wire clamping and cutting mechanism and a feeding mechanism are sequentially arranged above the machine box; the eccentric winding mechanism comprises a fixing frame, an X-axis eccentric driving unit and a Z-axis eccentric driving unit are installed on the fixing frame, the X-axis eccentric driving unit and the Z-axis eccentric driving unit are both in sliding connection with a winding frame, a wire nozzle mounting seat is arranged on the winding frame, and at least one winding nozzle is arranged on the wire nozzle mounting seat. The above-mentioned eccentric wheel multi-station straight-bar motor stator winding machine realizes efficient and high-precision winding of the straight-bar motor stator in multiple stations.

Description

TECHNICAL FIELD

[0001] The motor winding machine equipment technical field, especially relates to an eccentric wheel multi-station straight bar motor stator winding machine. BACKGROUND

[0002] In modern society, with the continuous development of intelligent products, the demand for motor is increasing, involving fields such as household appliances, smart home, unmanned aerial vehicle, robot, etc. The stator is an important component in the motor, and the rotation of the rotor is realized through electromagnetic induction transmission of the stator and the rotor. The copper wire for electromagnetic induction needs to be wound on the stator. Most of the existing straight bar stator winding machines on the market are flyover type winding machines, which cannot meet the requirements of modern motors for small and precise high slot fill rate and precise wire arrangement. The efficiency of the needle type winding multi-station straight bar winding machine is lower than that of the flyover type winding machine. Therefore, the market needs a winding equipment that can provide high-efficiency winding and precise wire arrangement. SUMMARY

[0003] The purpose of the present application is to provide an eccentric wheel multi-station straight bar motor stator winding machine to solve the above technical problems.

[0004] To achieve the above purpose, the present application provides an eccentric wheel multi-station straight bar motor stator winding machine, which comprises a machine box, an eccentric winding mechanism, a wire clamping and cutting mechanism and a feeding mechanism are sequentially arranged above the machine box; the eccentric winding mechanism comprises a fixed frame, an X-axis eccentric driving unit and a Z-axis eccentric driving unit are installed on the fixed frame, the X-axis eccentric driving unit and the Z-axis eccentric driving unit are both in sliding connection with a winding frame, a wire nozzle mounting seat is provided on the winding frame, and at least one winding nozzle is provided on the wire nozzle mounting seat.

[0005] Preferably, the X-axis eccentric driving unit comprises two X-axis eccentric shafts which are centrally symmetrically arranged, the X-axis eccentric shafts are connected with an X-axis eccentric driving motor through a transmission belt, the X-axis eccentric driving motor and the X-axis eccentric shafts are both installed on the fixed frame, an X-axis eccentric block is provided at the output end of the X-axis eccentric shaft, the X-axis eccentric block is rotatably connected with an X-axis limiting block, and the X-axis limiting block is arranged in an X-axis guide groove on the winding frame.

[0006] Preferably, the Z-axis eccentric driving unit comprises two Z-axis eccentric shafts which are centrally symmetrically arranged, the Z-axis eccentric shafts are connected with a Z-axis eccentric driving motor through a transmission belt, the Z-axis eccentric driving motor and the Z-axis eccentric shafts are both installed on the fixed frame, a Z-axis eccentric block is provided at the output end of the Z-axis eccentric shaft, the Z-axis eccentric block is rotatably connected with a Z-axis limiting block, and the Z-axis limiting block is arranged in a Z-axis guide groove on the winding frame.

[0007] Preferably, the fixing frame is provided with a wire passing hole and an adjusting hole, the winding frame is provided with a weight reducing hole, the X-axis guide groove and the Z-axis guide groove of the winding frame are both provided with a protective guide rail, the protective guide rail is provided with anti-abrasion balls, and the X-axis guide groove and the Z-axis guide groove are provided with protective covers on the outer sides.

[0008] Preferably, the fixing frame is further provided with a fixed tension pulley and an adjusting tension pulley, and the adjusting tension pulley is installed in the adjusting hole.

[0009] Preferably, the clamping and shearing mechanism comprises at least one clamping and shearing assembly, the clamping and shearing assembly is arranged on a horizontal angle adjusting plate through a mounting plate, the horizontal angle adjusting plate is installed on a supporting column, the supporting column is installed on an X-axis adjusting cylinder, the X-axis adjusting cylinder is connected with a Y-axis adjusting cylinder, and the Y-axis adjusting cylinder is installed on the box body.

[0010] Preferably, the feeding mechanism comprises a three-axis position adjusting assembly, the three-axis position adjusting assembly is connected with a fixing seat through a turnover assembly, the fixing seat is provided with at least one indexing assembly, adjacent indexing assemblies are connected through a transmission belt, and the indexing assembly is detachably connected with a workpiece positioning assembly.

[0011] Preferably, the turnover assembly comprises a turnover driving motor, the turnover driving motor is connected with a turnover shaft, the turnover shaft is installed on the machine box, and the fixing seat is installed on the turnover shaft.

[0012] Preferably, the indexing assembly comprises an indexing driving motor, the indexing driving motor is connected with an indexing seat installed on the fixing seat, adjacent indexing seats are rotatably connected through a belt, the indexing seat is provided with a jacking cylinder, two symmetrically arranged indexing seats are connected through a limiting plate, and the limiting plate is provided with a limiting hole.

[0013] Preferably, the workpiece positioning assembly comprises a workpiece base, the workpiece base is provided with an upper pressing plate and a lower pressing plate arranged in an up-down mode on one side, the lower pressing plate is provided with a positioning plate provided with a positioning hook, a workpiece is arranged between the upper pressing plate and the positioning plate, and the workpiece base is provided with a limiting pin on the other side, the limiting pin is inserted into the limiting hole.

[0014] Therefore, the eccentric wheel multi-station straight bar motor stator winding machine has the beneficial effects that: the high-efficiency winding is realized through the cooperation of the eccentric winding mechanism and the feeding mechanism, the winding frame moves left and right and up and down in the machine box at the same time through the X-axis eccentric driving unit and the Z-axis eccentric driving unit in the eccentric winding mechanism, the winding frame moves like an ellipse, the requirement of precise wire arrangement is met, the winding of the straight bar motor stator is realized through the movement of the Y-axis and the X-axis of the three-axis position adjusting assembly of the feeding mechanism, the movement of the Z-axis of the three-axis position adjusting assembly is suitable for straight bar motor stators of different heights, and multiple workstations can be set according to actual requirements, multiple workpieces can be produced at the same time, and the work efficiency is improved.

[0015] The technical solutions of the present application are described in further detail below with reference to the accompanying drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Figure 1 is a schematic diagram of the overall structure of a multi-station straight-bar motor stator winding machine according to the present application.

[0017] Figure 2 Figure 2 is a schematic diagram of the front structure of the eccentric winding mechanism according to the present application.

[0018] Figure 3 Figure 3 is a schematic diagram of the back structure of the eccentric winding mechanism according to the present application.

[0019] Figure 4 Figure 4 is a schematic diagram of the X-axis eccentric shaft structure according to the present application.

[0020] Figure 5 Figure 5 is a top view of the wire clamping and cutting mechanism according to the present application.

[0021] Figure 6 Figure 6 is a schematic diagram of the feeding mechanism structure according to the present application.

[0022] Figure 7 Figure 7 is a schematic diagram of the indexing assembly structure according to the present application.

[0023] Figure 8 Figure 8 is a schematic diagram of the workpiece positioning assembly structure according to the present application.

[0024] Figure 9 Figure 9 is a schematic diagram of the local structure of the workpiece positioning assembly according to the present application.

[0025] REFERENCE NUMERALS

[0026] 1, case; 2, eccentric winding mechanism; 21, fixed frame; 211, wire passing hole; 212, adjusting hole; 22, X-axis eccentric driving unit; 221, X-axis eccentric shaft; 222, X-axis eccentric driving motor; 223, X-axis eccentric block; 224, X-axis limiting block; 23, Z-axis eccentric driving unit; 231, Z-axis eccentric shaft; 232, Z-axis eccentric driving motor; 233, Z-axis eccentric block; 234, Z-axis limiting block; 24, winding frame; 241, X-axis guide groove; 242, Z-axis guide groove; 243, weight reduction hole; 244, protective guide rail; 245, protective cover; 25, wire nozzle mounting seat; 26, winding nozzle; 27, fixed tensioning wheel; 28, adjusting tensioning wheel; 3, clamping and cutting wire mechanism; 31, clamping and cutting wire assembly; 32, mounting plate; 33, horizontal angle adjusting plate; 34, support column; 35, Y-axis adjusting cylinder; 36, X-axis adjusting cylinder; 4, feeding mechanism; 41, three-axis position adjusting assembly; 42, overturning assembly; 421, overturning driving motor; 422, overturning shaft; 43, fixed seat; 44, indexing assembly; 441, indexing driving motor; 442, indexing seat; 443, jacking cylinder; 444, limiting plate; 4441, limiting hole; 45, workpiece positioning assembly; 451, workpiece base; 452, upper pressing plate; 453, lower pressing plate; 454, positioning plate; 455, positioning hook; 456, limiting pin. DETAILED DESCRIPTION

[0027] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be connected internally between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The embodiments of the present application will be described in detail below with reference to the drawings.

[0029] As Figure 1 shown, an eccentric wheel multi-station straight bar motor stator winding machine includes a case 1, and an eccentric winding mechanism 2, a clamping and cutting wire mechanism 3, and a feeding mechanism 4 are sequentially arranged above the case 1.

[0030] AsFigures 2-3 As shown, the eccentric winding mechanism 2 comprises a fixed frame 21, on which an X-axis eccentric driving unit 22 and a Z-axis eccentric driving unit 23 are mounted, both of which are in sliding connection with a winding frame 24, and the winding frame 24 is provided with a wire nozzle mounting seat 25, and three winding nozzles 26 are arranged on the wire nozzle mounting seat 25 in this embodiment, so that the winding operation of three workpieces can be carried out at the same time.

[0031] The X-axis eccentric driving unit 22 comprises two X-axis eccentric shafts 221 arranged in a central symmetry, and the X-axis eccentric shafts 221 are connected with an X-axis eccentric driving motor 222 through a transmission belt, and both the X-axis eccentric driving motor 222 and the X-axis eccentric shafts 221 are mounted on the fixed frame 21, as shown in Figure 4 The output end of the X-axis eccentric shaft 221 is provided with an X-axis eccentric block 223, the X-axis eccentric block 223 is rotatably connected with an X-axis limiting block 224, and the X-axis limiting block 224 is arranged in an X-axis guide groove 241 on the winding frame 24. Under the driving of the X-axis eccentric driving motor 222, the two X-axis eccentric shafts 221 rotate synchronously, the X-axis eccentric block 223 drives the X-axis limiting block 224 to rotate eccentrically, and under the action of the X-axis guide groove 241, the winding frame 24 is driven to move reciprocatingly left and right.

[0032] The Z-axis eccentric driving unit 23 comprises two Z-axis eccentric shafts 231 arranged in a central symmetry, and the Z-axis eccentric shafts 231 are connected with a Z-axis eccentric driving motor 232 through a transmission belt, and both the Z-axis eccentric driving motor 232 and the Z-axis eccentric shafts 231 are mounted on the fixed frame 21, and the Z-axis eccentric shafts 231 are the same in structure as the X-axis eccentric shafts 221, the output end of the Z-axis eccentric shaft 231 is provided with a Z-axis eccentric block 233, the Z-axis eccentric block 233 is rotatably connected with a Z-axis limiting block 234, and the Z-axis limiting block 234 is arranged in a Z-axis guide groove 242 on the winding frame 24. Under the driving of the Z-axis eccentric driving motor 232, the two Z-axis eccentric shafts 231 rotate synchronously, the Z-axis eccentric block 233 drives the Z-axis limiting block 234 to rotate eccentrically, and under the action of the Z-axis guide groove 242, the winding frame 24 is driven to move reciprocatingly up and down.

[0033] After the composite left-right reciprocating movement and the up-down reciprocating movement, the winding frame 24 moves in an elliptical motion, and the movement trajectory of the winding nozzle 26 located in the middle is shown in Figure 2 The movement trajectory of the winding nozzle 26 located in the middle is shown in

[0034] The fixed frame 21 is provided with a wire passing hole 211 for wire winding, and the wire winding frame 24 is provided with a weight reducing hole 243, and the X-axis guide groove 241 and the Z-axis guide groove 242 of the wire winding frame 24 are both provided with a protective guide rail 244, and the protective guide rail 244 is provided with anti-wear balls to reduce friction and make the movement smoother, and the X-axis guide groove 241 and the Z-axis guide groove 242 are provided with protective covers 245 on the outer sides to improve safety.

[0035] The fixed frame 21 is also provided with a fixed tension pulley 27 and an adjustable tension pulley 28 for tensioning the transmission belt, and the adjustable tension pulley 28 is installed in the adjusting hole 212 of the fixed frame 21, and the installation position of the adjustable tension pulley 28 is adjusted according to the actual tension of the transmission belt.

[0036] The clamp and shear wire mechanism 3 is used for intermittent winding and clamping the end of the wire, which is convenient for the next winding, and the clamp and shear wire mechanism 3 includes three clamp and shear wire assemblies 31, as shown in Figure 5 The clamp and shear wire assembly 31 is arranged on the horizontal angle adjusting plate 33 through the mounting plate 32, the horizontal angle adjusting plate 33 is installed on the support column 34, the horizontal angle adjusting plate 33 can be adjusted according to the actual angle, the support column 34 is installed on the X-axis adjusting cylinder 36, the X-axis adjusting cylinder 36 is connected with the Y-axis adjusting cylinder 35, the Y-axis adjusting cylinder 35 is installed on the box body, and the X-axis adjusting cylinder 36 and the Y-axis adjusting cylinder 35 are used for adjusting the positions of the three clamp and shear wire assemblies 31 to realize the clamping and shearing of the wire and the feeding of the wire.

[0037] As shown in Figure 6 The feeding mechanism 4 includes a three-axis position adjusting assembly 41, which cooperates with the elliptical motion of the wire winding frame 24 to realize winding at each winding position of the straight bar motor stator, and the three-axis position adjusting assembly 41 is connected with a fixed seat 43 through a turnover assembly 42, the turnover assembly 42 is used for turning over the entire fixed seat 43 to facilitate subsequent feeding and discharging. The turnover assembly 42 includes a turnover drive motor 421 connected with a turnover shaft 422, the turnover shaft 422 is installed on the machine box 1, and the fixed seat 43 is installed on the turnover shaft 422. When feeding, it is in a horizontal state, as shown in Figure 1 After feeding is completed, the turnover drive motor 421 drives the turnover shaft 422 to rotate, so that the fixed seat 43 is in a vertical state, as shown in Figure 6 Then the winding work is carried out.

[0038] During the winding work, each winding position of the workpiece needs to be wound in sequence according to the winding sequence, and since the winding needs to be set in a fixed position at the beginning of each winding position, the workpiece needs to be rotated and indexed, and three indexing assemblies 44 are arranged on the fixed seat 43, adjacent indexing assemblies 44 are connected by a transmission belt to realize the indexing of three workpieces at the same time. In Figure 7In order to display different angles, one of the indexing mechanisms is in a horizontal state, and the other two indexing mechanisms are in a vertical state, and the angles of the three indexing mechanisms are consistent during use. The indexing assembly 44 comprises an indexing drive motor 441 connected with one indexing seat 442 mounted on the fixed seat 43, and adjacent indexing seats 442 are connected through a belt. The indexing seat 442 is provided with a jacking cylinder 443. The two symmetrically arranged indexing seats 442 are connected through a limiting plate 444, and the limiting plate 444 is provided with a limiting hole 4441. The indexing assembly 44 is detachably connected with a workpiece positioning assembly 45. As shown in Figures 8-9 The workpiece positioning assembly 45 comprises a workpiece base 451 provided with an upper pressing plate 452 and a lower pressing plate 453 arranged in an upper-lower manner on one side. The upper pressing plate 452 and the lower pressing plate 453 are matched with the workpiece, so that the upper pressing plate 452 and the lower pressing plate 453 can press the upper and lower ends of the workpiece. The lower pressing plate 453 is provided with a positioning plate 454 with a positioning hook 455. The positioning hook 455 is clamped on the workpiece between two adjacent winding positions, so as to realize the positioning of the winding position and make the spacing between each winding position uniform. The workpiece is arranged between the upper pressing plate 452 and the positioning plate 454. The other side of the workpiece base 451 is provided with a limiting pin 456 inserted into the limiting hole 4441. During feeding, the limiting pin 456 of the workpiece base 451 is inserted into the limiting hole 4441. The ends of the workpiece base 451 are provided with a winding hook. The extension and retraction of the jacking cylinder 443 is provided with a wedge block. The jacking cylinder 443 is started, and the extension end of the jacking cylinder 443 tightly fixes the two ends of the workpiece base 451, so that the fixed base is stably and firmly fixed on the fixed seat 43.

[0039] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can still be modified or replaced by equivalents, and these modifications or replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A eccentric wheel multi-station straight bar motor stator winding machine, comprising a machine box, characterized in that: The eccentric winding mechanism, the clamping and shearing mechanism and the feeding mechanism are sequentially arranged above the cabinet. The X-axis eccentric driving unit comprises two X-axis eccentric shafts which are symmetrically arranged at the center, the X-axis eccentric shafts are connected with the X-axis eccentric driving motor through the transmission belt, the X-axis eccentric driving motor and the X-axis eccentric shaft are both mounted on the fixed frame, and the output end of the X-axis eccentric shaft is provided with an X-axis eccentric block. The Z-axis eccentric driving unit comprises two Z-axis eccentric shafts which are symmetrically arranged at the center, the Z-axis eccentric shafts are connected with the Z-axis eccentric driving motor through the transmission belt, the Z-axis eccentric driving motor and the Z-axis eccentric shaft are both mounted on the fixed frame, and the output end of the Z-axis eccentric shaft is provided with a Z-axis eccentric block.

2. The eccentric multi-station straight bar motor stator winder of claim 1, wherein: The fixed frame is provided with a wire passing hole and an adjusting hole, the wire winding frame is provided with a weight reduction hole, the X-axis guide groove and the Z-axis guide groove of the wire winding frame are both provided with a protective guide rail, the protective guide rail is provided with an anti-wear ball, and the X-axis guide groove and the Z-axis guide groove are both provided with a protective cover outside.

3. The eccentric multi-station straight bar motor stator winder of claim 2, wherein: The fixed frame is further provided with a fixed tension pulley and an adjusting tension pulley, and the adjusting tension pulley is mounted in the adjusting hole.

4. The eccentric multi-station straight bar motor stator winder of claim 3, wherein: The clamping and shearing mechanism comprises at least one clamping and shearing assembly, the clamping and shearing assembly is arranged on the horizontal angle adjusting plate through a mounting plate, the horizontal angle adjusting plate is mounted on a supporting column, the supporting column is mounted on an X-axis adjusting cylinder, the X-axis adjusting cylinder is connected with a Y-axis adjusting cylinder, and the Y-axis adjusting cylinder is mounted on the cabinet.

5. The eccentric multi-station straight bar motor stator winder of claim 4, wherein: The feeding mechanism comprises a three-axis position adjusting assembly, the three-axis position adjusting assembly is connected with a fixing seat through a turnover assembly, the fixing seat is provided with at least one indexing assembly, adjacent indexing assemblies are connected through transmission belts, and the indexing assembly is detachably connected with a workpiece positioning assembly.

6. A cam multi-station straight bar motor stator winder according to claim 5, characterized in that: The turnover assembly comprises a turnover driving motor, the turnover driving motor is connected with a turnover shaft, the turnover shaft is mounted on the cabinet, and the fixing seat is mounted on the turnover shaft.

7. A cam multi-station straight bar motor stator winder according to claim 6, characterized in that: The indexing assembly comprises an indexing driving motor, the indexing driving motor is connected with an indexing seat mounted on the fixing seat, adjacent indexing seats are rotatably connected through a belt, the indexing seat is provided with a jacking cylinder, two symmetrically arranged indexing seats are connected through a limiting plate, and the limiting plate is provided with a limiting hole.

8. The eccentric multi-station straight bar motor stator winder of claim 7, wherein: The workpiece positioning assembly comprises a workpiece base, the workpiece base is provided with an upper pressing plate and a lower pressing plate which are arranged in a vertical mode, the lower pressing plate is provided with a positioning plate provided with a positioning hook, a workpiece is arranged between the upper pressing plate and the positioning plate, and the other side of the workpiece base is provided with a limiting pin which is inserted into the limiting hole.

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