A stator winding, shaping and slot wedge inserting integrated machine

Abstract

The present application relates to the technical field of stator winding production equipment, and in particular to a stator winding, shaping and slot wedge inserting integrated machine, which comprises a frame, a winding part detachably connected to the frame, a shaping part detachably connected to the frame, a slot wedge inserting part detachably connected to the frame, and a control part detachably connected to the frame; the control part is electrically connected to the winding part, the shaping part and the slot wedge inserting part. The present application has the effect of saving time and labor in the stator winding production process and thus improving production efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of stator winding production equipment, and in particular to a stator winding, shaping and slot wedge insertion integrated machine. Background Art

[0002] At present, when producing stator winding assembly, copper wire is first wound on the stator core, and then the wound copper wire is shaped to facilitate the subsequent slot wedge insertion, and then the slot wedge insertion work is completed with a paper insertion machine.

[0003] With respect to the above-mentioned related technologies, the inventors believe that there is a defect that the stator winding production process is time-consuming and labor-intensive, resulting in low production efficiency. Summary of the invention

[0004] In order to save time and effort in the stator winding production process and thus improve production efficiency, the present application provides a stator winding, shaping and slot wedge insertion all-in-one machine.

[0005] The present application provides a stator winding, shaping and slot wedge insertion integrated machine adopts the following technical solution:

[0006] A stator winding, shaping and slot wedge inserting integrated machine, comprising a frame, a winding part detachably connected to the frame, a shaping part detachably connected to the frame, a slot wedge inserting part detachably connected to the frame, and a control part detachably connected to the frame;

[0007] The control part is electrically connected to the winding part, the shaping part and the slot wedge inserting part.

[0008] By adopting the above technical solution, the present application can complete the winding, shaping and slot wedge insertion operations of the stator winding. After winding on the winding part, the shaping and slot wedge insertion operations of the stator winding are completed in the shaping part and the slot wedge insertion part, making the production process of the stator winding more time-saving and labor-saving, and improving production efficiency.

[0009] Optionally, the winding part includes a base plate arranged in the frame, a first motor slidably connected to the base and the base plate, a first electric push rod arranged on the base plate for pushing the first motor to slide back and forth in a horizontal direction, a stator fixed shaft connected to the power output shaft of the first motor, a winding working plate arranged on the frame, and a winding assembly arranged on the winding working plate, and the stator fixed shaft is upwardly extended from the winding working plate.

[0010] By adopting the above technical solution, the first electric push rod can push the first motor to slide in the horizontal direction, so that the first motor, the stator fixed shaft and the stator core installed on the stator fixed shaft are moved into the effective working range of the winding assembly to perform the winding operation.

[0011] Optionally, the shaping part includes a turntable arranged on a frame, a driving device arranged in the frame to drive the turntable to rotate, and a downward pressing shaping device arranged on the frame. The turntable is provided with a first groove for placing the stator after winding is completed, and the opening size of the first groove gradually increases in the vertical upward direction.

[0012] By adopting the above technical solution, the stator winding after winding is placed in the first groove on the turntable, and under the downward pressure of the downward pressure shaping device, the copper wire wound on the stator is pressed and gathered toward the center hole of the stator core, preparing for the subsequent slot wedge insertion operation.

[0013] Optionally, the downward pressure shaping device includes a column vertically arranged on the frame, a cantilever sleeved on the column, a cylinder detachably connected to an end of the cantilever away from the column, and a downward pressure block detachably connected to the telescopic end of the cylinder, and the lower surface of the downward pressure block is provided with a second groove recessed upward;

[0014] The opening size of the second groove gradually increases along the vertical downward direction.

[0015] By adopting the above technical solution, the second groove of the lower pressing block is used in conjunction with the first groove of the turntable to fix the stator winding. Then, under the action of the cylinder, the lower pressing block applies downward pressure and presses the copper wire on the stator winding toward the center hole to complete the shaping.

[0016] Optionally, the slot wedge inserting part includes a driving device arranged at the bottom of the frame, a gear transmission device detachably connected to the power output shaft of the driving device, multiple groups of cam crank transmission devices key-connected to the gear transmission device, a slot wedge forming device arranged in the frame, a slot wedge cutting device detachably connected to the crank transmission device, and a slot wedge lifting device detachably connected to the crank transmission device;

[0017] The slot wedge lifting device reciprocates in a gap to lift the slot wedge and insert it into the stator after winding.

[0018] By adopting the above technical solution, the driving device drives the gear transmission device to rotate, which drives the cam crank transmission device to rotate, the slot wedge forming device folds the inserted paper into a V shape, and finally the slot wedge lifting device lifts the inserted paper to complete the slot wedge insertion step.

[0019] Optionally, the slot wedge insertion part also includes an auxiliary transmission roller arranged in the frame.

[0020] By adopting the above technical solution, the auxiliary transmission roller can facilitate the change of direction of the inserted paper, facilitate the transportation of the inserted paper, and save the space occupied by the transportation of the inserted paper.

[0021] Optionally, the slot wedge insertion part also includes a paper conveying pipe arranged in the frame for the slot wedge to pass through.

[0022] By adopting the above technical solution, the paper conveying pipeline can avoid bending during the process of the slot wedge inserting the paper and conveying it upward, thereby affecting the subsequent cutting and lifting steps.

[0023] Optionally, the slot wedge forming device includes a pair of forming rollers horizontally inserted into a frame and a servo motor connected to one end of one of the forming rollers via a coupling.

[0024] By adopting the above technical solution, the pair of forming rollers are pressed against each other under the drive of the servo motor to form the groove wedge.

[0025] Optionally, the control part includes a box body detachably connected to the side of the rack, a controller arranged in the box body, and a control panel arranged on the outer surface of the box body.

[0026] By adopting the above technical solution, the staff can operate the present application through the control panel to perform the steps of winding, shaping and slot wedge insertion of the stator winding, which is simple to operate, saves time and effort, and improves production efficiency.

[0027] Optionally, it also includes a stator displacement part connected to the top of the frame through a chain drive, and the positioning displacement part includes a second electric push rod whose bottom end is connected to the top of the frame through a chain drive, a cross bar detachably connected to the top of the second electric push rod, and a pneumatic finger arranged on the cross bar away from one end of the second electric push rod.

[0028] By adopting the above technical solution, the pneumatic fingers can clamp the stator and drive the second electric push rod to reciprocate between the winding station and the shaping and slot wedge insertion stations through chain transmission, further reducing the time and physical effort spent on manually moving the stator winding.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] 1. After the winding is completed on the winding part in the present application, the stator winding moves to the shaping part and slot wedge insertion part on the same machine to complete the shaping and slot wedge insertion operations of the stator winding, making the production process of the stator winding more time-saving and labor-saving, and improving production efficiency;

[0031] 2. The staff can operate this application through the control panel to carry out the steps of winding, shaping and slot wedge insertion of the stator winding, which is simple to operate, saves time and effort, and improves production efficiency;

[0032] 3. The pneumatic fingers in the stator displacement part of the present application can clamp the stator and drive the second electric push rod to reciprocate between the winding station and the shaping and slot wedge insertion stations through chain transmission, further reducing the time and physical effort spent on manually moving the stator winding. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of a stator winding, shaping and slot wedge insertion integrated machine disclosed in an embodiment of the present application.

[0034] Figure 2 This is a cross-sectional view used to illustrate the slot wedge insertion portion in the example of the present application.

[0035] Figure 3 It is a schematic diagram to show the structure of the winding part in the embodiment of the present application.

[0036] Figure 4 It is a structural schematic diagram of the lower pressing block in the example of this application.

[0037] Figure 5 It is a structural diagram of the control part in the embodiment of the present application.

[0038] Description of reference numerals:

[0039] 1. Frame;

[0040] 2. Winding part;

[0041] 21. Bottom plate; 22. First motor; 23. First electric push rod; 24. Stator fixed shaft; 25. Winding work plate; 26. Winding assembly;

[0042] 3. Plastic part;

[0043] 31. turntable; 311. first groove; 32. driving device; 33. downward pressure shaping device; 331. column; 332. cantilever; 333. cylinder; 334. downward pressure block; 3341. second groove;

[0044] 4. Slot wedge insertion part;

[0045] 41. driving device; 42. gear transmission device; 43. cam crank transmission device; 44. slot wedge forming device; 441. forming roller; 442. servo motor; 45. slot wedge cutting device; 46. slot wedge lifting device; 47. auxiliary transmission roller; 48. paper conveying pipeline;

[0046] 5. Control part;

[0047] 51. Box; 52. Controller; 53. Control panel;

[0048] 6. Stator displacement part;

[0049] 61. Second electric push rod; 62. Cross bar; 63. Pneumatic finger. DETAILED DESCRIPTION

[0050] The following is combined with Figure 1-5 This application is described in further detail.

[0051] The present application embodiment discloses a stator winding, shaping and slot wedge insertion integrated machine. Figure 1 and Figure 2 A stator winding, shaping and slot wedge insertion integrated machine includes a frame 1, a winding part 2, a shaping part 3, a slot wedge insertion part 4, a control part 5 and a stator displacement part 6.

[0052] Reference Figure 1 and Figure 2 ,, where the frame 1 is a rectangular empty box assembled from aluminum alloy plates and aluminum alloy pipes or profiles. The frame 1 serves as the load-bearing and mounting structure of the entire machine. The frame 1 is equipped with a winding part 2, a shaping part 3, a slot wedge insertion part 4, a control part 5 and a stator shifting part 6.

[0053] Reference Figure 1 and Figure 3 The winding part 2 is bolted to the top of the frame 1 and is used to wind copper wire on the stator core to form a stator winding. The winding part 2 includes a bottom plate 21, a first motor 22, a first electric push rod 23, a stator fixed shaft 24, a winding work plate 25 and a winding assembly 26.

[0054] The bottom plate 21 can be a rectangular metal plate, which is welded to the inner side of the frame 1 in the horizontal direction. The bottom plate 21 is provided with a slide groove for installing the first motor 22. A slider matching the slide groove on the bottom plate 21 is welded to the base of the first motor 22. The first electric push rod 23 is fixedly installed on the upper surface of the bottom plate 21 with bolts, and the telescopic end of the first electric push rod 23 is bolted to the side of the base of the first motor 22. The stator fixed shaft 24 is connected to the power output shaft of the first motor 22 through a coupling, and the winding work plate 25 is fixedly installed on the top surface of the frame 1 with bolts. A long hole is provided on the winding work plate 25 for the stator fixed shaft 24 to pass through. The stator fixed shaft 24 is passed upward from the winding work plate 25, and the stator fixed shaft 24 drives the stator winding to move horizontally to the winding range of the winding assembly 26.

[0055] The winding assembly 26 is composed of a vertical plate welded vertically on the upper surface of the frame 1, a driving motor bolted to the vertical plate, a round rod connected to the output shaft of the driving motor through a coupling, a winding arm fixedly connected to the round rod, a wire wheel bolted to the winding arm, and a wire plate and wire rack bolted to the frame 1. The driving motor drives the round rod to rotate, which in turn drives the winding arm to drive the copper wire to pass through the wire plate and the wire rack under the guidance of the wire plate and the wire rack, and is wound on the stator winding to complete the winding operation.

[0056] Reference Figure 1 and Figure 2The shaping part 3 is fixedly mounted on the frame 1 with bolts, and the shaping part 3 includes a turntable 31, a driving device 32 and a downward pressing shaping device 33. Among them, the turntable 31 is matched with the upper surface of the frame 1 in clearance, and a gear ring is bolted to the bottom of the turntable 31. A first groove 311 for placing the stator after winding is completed is provided in the center of the turntable 31, and the opening size of the first groove 311 gradually increases in the vertical upward direction. The driving device 32 can be a stepper motor. After the stepper motor is started, it drives the gear keyed to the power output shaft of the stepper motor to rotate. Since the gear is meshed with the gear ring at the bottom of the turntable 31, it can drive the turntable 31 to rotate.

[0057] The downward pressure shaping device 33 includes a column 331 vertically arranged on the frame, a cantilever 332 sleeved on the column 331, a cylinder 333 detachably connected to the end of the cantilever 332 away from the column 331, and a downward pressure block 334 detachably connected to the telescopic end of the cylinder 333. The column 331 is a metal round rod, and the bottom end of the column 331 is vertically welded to the upper surface of the frame 1. The cantilever 332 is perpendicular to the column 331, and the cantilever 332 is welded to the top of the column 331. The cylinder 333 is perpendicular to the cantilever 332, and the cylinder 333 is bolted to the lower surface of the end of the cantilever 332 away from the column 331.

[0058] Reference Figure 2 and Figure 4 The upper end of the lower pressing block 334 is bolted to the telescopic end of the cylinder 333, and the bottom end of the lower pressing block 334 is provided with a second groove 3341 which is recessed upward. The opening size of the second groove 3341 gradually increases in the vertical downward direction, and the two ends of the stator winding are respectively placed in the first groove 311 and the second groove 3341.

[0059] The slot wedge insertion part 4 is used to align the stator winding after shaping, and includes a driving device 41, a gear transmission device 42, a cam crank transmission device 43, a slot wedge forming device 44, a slot wedge cutting device 45, a slot wedge lifting device 46, an auxiliary transmission roller 47 and a paper conveying pipe 48.

[0060] Reference Figure 1 and Figure 2 The driving device 41 is arranged at the bottom of the frame 1 as the power source of the slot wedge insertion part 4, and the driving device 41 is a motor. The gear transmission device 42 is detachably connected to the power output shaft of the driving device, and is composed of a rotating shaft passing through the frame 1 and a transmission gear connected to the rotating shaft by a key, which can play a role in transmitting power. The cam crank transmission device 43 is key-connected to the gear transmission device 42, and the cam crank transmission device 43 is composed of a cam key-connected to the rotating shaft in the gear transmission device 42 and a crank bolt-connected to the cam.

[0061] The slot wedge forming device 44 is arranged in the frame 1, and the slot wedge forming device 44 includes a pair of forming rollers 441 horizontally arranged in the frame 1 and a servo motor 442 connected to one end of one of the forming rollers 441 through a coupling. A convex strip for pressing paper is provided on the wheel surface of one of the forming rollers 441, and the cross-section of the convex strip is triangular. Driven by the servo motor 442, the forming roller 441 rotates and the inserted paper passing through the gap between the wheel surfaces of the two forming rollers 441 is squeezed into a V shape.

[0062] The slot wedge cutting device 45 is detachably connected to the cam crank transmission device 43, and the rotating surface of the cam of the cam crank transmission device 43, which is detachably connected to the slot wedge cutting device 45 through a universal joint, is parallel to the horizontal plane. The slot wedge cutting device 45 is connected to the crank in the cam crank transmission device 43 through a pin shaft. The slot wedge cutting device 45 is composed of a lower cutter and an upper cutter abutting against the lower cutter. The upper cutter is connected to the crank pin shaft and has a V-shaped groove in the vertical direction to accommodate the V-shaped insert paper to be pressed. The lower cutter has a V-shaped hole in the vertical direction for the insert paper to pass upward and a through hole for the slot wedge lifting device 46 to pass upward. The lower cutter can be fixed to a long metal rod welded in the frame 1 by bolts.

[0063] The slot wedge lifting device 46 comprises an optical axis vertically passing through the frame 1, a sliding block sleeved on the optical axis, and a lifting rod fixedly connected to the sliding block. The sliding block is connected to the cam crank transmission device 43, so that the lifting rod reciprocates in the gap to lift the slot wedge and insert it into the stator after winding.

[0064] The auxiliary transmission roller 47 is arranged in the frame 1. The auxiliary transmission roller 47 is composed of a metal round rod and a plastic roller sleeved on the metal round rod. One end of the auxiliary transmission roller 47 is fixedly connected to the bracket in the frame 1 for changing the moving direction of the inserted paper.

[0065] The paper conveying pipe 48 is a metal pipe with a rectangular cross section for the inserted paper to pass through. The side of the paper conveying pipe 48 is fixedly connected to the bracket of the welding machine in the frame, so that the inserted paper is not easily offset during the upward movement.

[0066] Reference Figure 2 and Figure 5 The control part 5 is detachably connected to the frame 1, and the control part 5 includes a box body 51 connected to the side bolts of the frame 1, a controller 52 installed in the box body with screws or bolts, and a control panel 53 arranged on the outer surface of the box body. The box body 51 can be formed by welding or stamping aluminum alloy plates, and the internal space is used to install the controller 52 and lay wires.

[0067] The controller 52 can be an Omron PLC programmable controller. The control signal input end of the controller 52 is connected to the control panel 53 through a wire, and the control signal output end of the controller 52 is respectively connected to the winding part 2, the shaping part 3, the slot wedge insertion part 4 and the stator shifting part 6 through a wire. The control panel 53 is composed of a display screen and a plurality of control buttons, and the control buttons correspond to the control signal input of each stator processing step.

[0068] Reference Figure 1 and Figure 3 The stator displacement part 6 includes a second electric push rod 61 connected to the top of the frame 1 through a chain drive, a cross bar 62 detachably connected to the top of the second electric push rod 61, and a pneumatic finger 63 arranged on the cross bar 62 at one end away from the second electric push rod 61. The shaft for installing the two sprockets is vertically penetrated on the side of the frame 1 in the horizontal direction, and the motor is connected to the shaft of one of the sprockets through a coupling. The tail end of the second electric push rod 61 is fixedly connected to the surface of the chain, the cross bar 62 is bolted to the top of the second electric push rod 61, and the pneumatic finger 63 can also be fixedly installed on the cross bar 62 by bolts. When the motor is started, it drives the sprocket and the chain to rotate. During the movement, the chain drives the second electric push rod 61 to move horizontally from the winding station to the shaping station, and then the second electric push rod 61 is contracted until the stator winding is placed in the first groove 311 on the turntable 31, the pneumatic finger 63 can be released, and then the second electric push rod 61 can be moved away.

[0069] The implementation principle of a stator winding, shaping and slot wedge insertion integrated machine in the embodiment of the present application is as follows:

[0070] First, the control part 5 controls the stator shifting part 6 to move the stator core to the stator fixed shaft 24 of the winding part 2, and the stator shifting part 6 is removed to allow the winding part 2 to complete the stator winding operation. The stator shifting part 6 is used to move the stator after winding to the workstation where the shaping part 3 and the slot wedge insertion part 4 are located to continue to complete the subsequent shaping and slot wedge insertion operations. After completion, the stator can be removed by using the stator shifting part 6.

[0071] 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 stator winding, shaping and slot wedge insertion integrated machine, characterized in that: The machine comprises a frame (1), a winding portion (2) detachably connected to the frame (1), a shaping portion (3) detachably connected to the frame (1), a slot wedge inserting portion (4) detachably connected to the frame (1), and a control portion (5) detachably connected to the frame (1); The control part (5) is electrically connected to the winding part (2), the shaping part (3) and the slot wedge inserting part (4); The winding part (2) comprises a bottom plate (21) arranged in the frame (1), a first motor (22) slidably connected to the bottom plate (21), a first electric push rod (23) arranged on the bottom plate (21) and used to push the first motor (22) to slide back and forth in a horizontal direction, a stator fixed rotating shaft (24) connected to the power output shaft of the first motor (22), a winding working plate (25) arranged on the frame (1), and a winding assembly (26) arranged on the winding working plate (25), wherein the stator fixed rotating shaft (24) is arranged to pass upward from the winding working plate (25); The shaping part (3) comprises a rotating disk (31) arranged on the frame (1), a driving device (32) arranged in the frame (1) for driving the rotating disk (31) to rotate, and a downward pressing shaping device (33) arranged on the frame (1), wherein the rotating disk (31) is provided with a first groove (311) for accommodating the stator after winding, and the opening size of the first groove (311) gradually increases in the vertical upward direction; The slot wedge inserting part (4) comprises a driving device (41) disposed at the bottom of the frame (1), a gear transmission device (42) detachably connected to the power output shaft of the driving device (41), a plurality of cam crank transmission devices (43) key-connected to the gear transmission device (42), a slot wedge forming device (44) disposed in the frame (1), a slot wedge cutting device (45) detachably connected to the crank transmission device (43), and a slot wedge lifting device (46) detachably connected to the crank transmission device (43); The slot wedge lifting device (46) performs intermittent reciprocating motion to lift the slot wedge and insert it into the stator after winding.

2. The stator winding, shaping and slot wedge inserting integrated machine according to claim 1, characterized in that: The downward pressure shaping device (33) comprises a column (331) vertically arranged on the frame, a cantilever (332) sleeved on the column (331), a cylinder (333) detachably connected to an end of the cantilever (332) away from the column (331), and a downward pressure block (334) detachably connected to the telescopic end of the cylinder (333), wherein the lower surface of the downward pressure block (334) is provided with a second groove (3341) recessed upwards; The opening size of the second groove (3341) gradually increases in the vertical downward direction.

3. The stator winding, shaping and slot wedge inserting integrated machine according to claim 1, characterized in that: The slot wedge insertion portion (4) also includes an auxiliary transmission roller (47) arranged along the inside of the frame (1).

4. The stator winding, shaping and slot wedge inserting integrated machine according to claim 1, characterized in that: The slot wedge insertion portion (4) also includes a paper conveying pipe (48) arranged in the frame (1) for the slot wedge to pass through.

5. The stator winding, shaping and slot wedge inserting integrated machine according to claim 1, characterized in that: The slot wedge forming device (44) comprises a pair of forming rollers (441) which are horizontally inserted into the frame (1) and a servo motor (442) which is connected to one end of one of the forming rollers (441) via a coupling.

6. The stator winding, shaping and slot wedge inserting integrated machine according to claim 1, characterized in that: The control part (5) comprises a box (51) detachably connected to the side of the frame (1), a controller (52) arranged in the box (51), and a control panel (53) arranged on the outer surface of the box (51).

7. A stator winding, shaping and slot wedge inserting integrated machine according to any one of claims 1 to 6, characterized in that: It also includes a stator displacement part (6) connected to the top of the frame (1) through a chain drive, the stator displacement part (6) including a second electric push rod (61) whose bottom end is connected to the top of the frame (1) through a chain drive, a cross bar (62) detachably connected to the top of the second electric push rod (61), and a pneumatic finger (63) provided on the cross bar (62) at one end away from the second electric push rod (61).

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