CN220934994U - Armature winding forming device of direct current motor - Google Patents

Abstract

The utility model relates to the technical field of motors, in particular to a direct current motor armature winding forming device which comprises an end twisting mechanism, wherein the end twisting mechanism comprises a cylindrical block and a rotating plate, the rotating plate comprises a first rotating plate and a second rotating plate, the first rotating plate and the second rotating plate are hinged with the cylindrical block, a baffle is arranged on the same side of the rotating plate, a jacking bolt is arranged on the baffle along the length direction of the baffle, an adjusting component is arranged on the rotating plate, and a fixing component is arranged at the top of the cylindrical block; the side edge forming mechanism comprises a fixed frame, the fixed frame is hinged with a forming frame, fixed plates are arranged on the fixed frame and the forming frame, each fixed plate comprises a first fixed plate and a second fixed plate, a first limiting component is arranged on each fixed plate, and a second limiting component is arranged between the forming frame and the fixed frame; according to the direct current motor armature winding forming device, the winding with the rectangular section can be formed rapidly through the end twisting mechanism and the side forming mechanism, so that the labor cost is reduced, the operation difficulty is reduced, and the forming precision is high.

Description

Armature winding forming device of direct current motor

Technical Field

The utility model relates to the technical field of motors, in particular to a direct current motor armature winding forming device.

Background

The armature is an important component of the direct current motor, the armature is composed of a rotor core and an armature winding, the armature winding is composed of a certain number of armature coils which are connected according to a certain rule, and the armature winding is a circuit part of the direct current motor and a part for generating electromagnetic torque to perform electromechanical energy conversion. The coil is wound by insulated wires with round or rectangular cross section, and is embedded in the armature core slot in an upper layer and a lower layer, and the upper layer, the lower layer and the space between the coil and the armature core are insulated properly and are tightly pressed by slot wedges. The ends of the armature windings of large electric motors are usually fastened to the winding brackets.

With the development of the age, enameled rectangular wire with rectangular cross section is beginning to be used as a winding of the motor. The flat copper wire is formed into a U-shaped wire having a bent end, a first straight line portion and a second straight line portion, and then inserted into a slot of a rotor core to be assembled with the rotor core to form a winding having the straight line portions arranged in a substantially regular manner. The requirement on the shape consistency of the rectangular enameled rectangular wire winding is high, and in the prior art, the coil shape consistency of the enameled rectangular wire winding is very poor due to the fact that the enameled rectangular wire is formed basically by experienced workers through manual forming. Poor coil shape consistency can lead to uneven motor magnetic field distribution, affecting motor performance. Therefore, a simple and rapid electric pivot winding forming device is needed.

Disclosure of utility model

The utility model aims to overcome the defects described in the background art, thereby realizing a direct current motor armature winding forming device which can quickly form a winding with a rectangular section through an end twisting mechanism and a side forming mechanism, reduces labor cost, reduces operation difficulty and has high forming precision.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a DC motor armature winding forming device, includes tip twisting mechanism, tip twisting mechanism includes cylinder piece and rotor plate, cylinder piece bottom is connected with the desktop, the rotor plate includes first rotor plate and second rotor plate, first rotor plate with the one end of second rotor plate all articulates with the cylinder piece, first rotor plate with the other end of second rotor plate all is connected with holds the board, two the homonymy of rotor plate all is connected with baffle one side, set up a plurality of jack bolts along its length direction vertical screw thread cooperation on the baffle, the top of rotor plate all is provided with adjusting part, cylinder piece top is provided with fixed subassembly;

Still include side forming mechanism, side forming mechanism includes the fixed frame, fixed frame bottom articulates there is the shaping frame, the fixed frame with shaping frame upper portion all is connected with the fixed plate, the fixed plate includes first fixed plate and second fixed plate, two the fixed plate dislocation set, all be provided with a plurality of first spacing subassemblies on the fixed plate, the shaping frame with be provided with the spacing subassembly of second between the fixed frame.

In the above-mentioned direct current motor armature winding forming device, the adjusting component includes adjusting post and adjusting bolt, two the adjusting post transversely sets up the top of first, second rotor plate, a plurality of through-holes have been seted up on the adjusting post, adjusting bolt cooperation gasket passes the through-hole is pegged graft on the rotor plate.

In the direct current motor armature winding forming device, the fixing component comprises a vertical rod, one end of the vertical rod is arranged at the center of the top of the cylindrical block, a fixing block and a cross limiting column are sequentially arranged on the vertical rod from inside to outside, the fixing block is sleeved on the vertical rod, and the cross limiting column is in threaded connection with the vertical rod.

In the above-mentioned direct current motor armature winding forming device, the first spacing subassembly includes the limiting plate, limiting plate one side is fixed on the fixed plate, set up the mounting groove and fixedly connected with clamp plate module on the limiting plate opposite side.

In the above-mentioned direct current motor armature winding forming device, the clamp plate module includes the support, two the support is connected on the limiting plate, two the support is gone up, the lower extreme is all articulated to have the component, is more than limiting plate bottom end articulates there is the one end of connecting rod, keeps away from limiting plate bottom end articulates there is the tip of L shape support frame, the other end of connecting rod articulates there is turning to articulated in inflection point department, the one end of turning with the corner of L shape support frame articulates.

In the above-mentioned direct current motor armature winding forming device, the second spacing subassembly includes T shape pole, T shape pole articulates in the centre of shaping frame middle part horizontal pole, the T shape pole other end follow fixed frame middle part rectangle frame wears out, the longer part of T shape pole is the threaded rod, overlaps on it and is equipped with spacing regulating disk, spacing regulating disk diameter is greater than the width of fixed frame middle part rectangle frame.

In the direct current motor armature winding forming device, the through holes on the two baffles are symmetrically arranged.

In the direct current motor armature winding forming device, the bottom surface of the first fixing plate is higher than the top surface of the second fixing plate.

The direct current motor armature winding forming device has the beneficial effects that:

The utility model relates to a direct current motor armature winding forming device, which can fix a winding on an end twisting mechanism through a fixing component, and enables the winding to be twisted straight at the center through the rotation of holding plates at two sides, so as to form a winding with a bent end, the winding with the bent end is placed in a first limiting component of a side forming mechanism, a forming frame is pulled to enable the upper layer edge and the lower layer edge to have a certain width and enable the end to form a certain curvature, so that the winding is formed into a winding with a U shape.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a direct current motor armature winding forming apparatus of the present utility model;

FIG. 2 is a schematic diagram of an end twist mechanism of the DC motor armature winding forming apparatus of the present utility model;

FIG. 3 is a schematic illustration of the end twist mechanism of the DC motor armature winding forming apparatus of the present utility model in use;

FIG. 4 is a schematic view of the side forming mechanism of the DC motor armature winding forming apparatus of the present utility model;

fig. 5 is an enlarged view of area a in fig. 4 of the armature winding forming apparatus for a dc motor according to the present utility model;

Fig. 6 is a schematic diagram of a side forming mechanism of the armature winding forming apparatus for a dc motor according to the present utility model in use.

In the figure: 1. an end twisting mechanism; 11. a first rotating plate; 12. a second rotating plate; 13. a holding plate; 14. a baffle; 15. a nut; 16. a jack bolt; 17. a cylindrical block;

18. An adjustment assembly; 181. an adjusting column; 182. an adjusting bolt;

19. A fixing assembly; 191. a vertical rod; 192. a fixed block; 193. a cross limiting column;

2. A side edge forming mechanism; 21. a fixed frame; 22. a forming frame; 23. a first fixing plate; 24. a second fixing plate;

25. A first limit assembly; 251. a limiting plate; 252. a platen module; 2521. supporting; 2522. an L-shaped support frame; 2523. a crank handle; 2524. a connecting rod;

26. The second limiting component; 261. a T-bar; 262. limiting adjusting disk.

Detailed Description

The armature winding forming apparatus for a DC motor according to the present utility model will be described in more detail with reference to the accompanying drawings by way of specific embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the device can enable windings with rectangular cross sections to be formed rapidly through an end twisting mechanism and a side forming mechanism, reduces labor cost, reduces operation difficulty and is high in forming precision. Including tip twisting mechanism 1, tip twisting mechanism 1 includes cylinder piece 17 and rotation board, cylinder piece 17 bottom and desktop fixed connection, the rotation board includes first rotation board 11 and second rotation board 12, first rotation board 11 with the one end of second rotation board 12 all articulates with cylinder piece 17, first rotation board 11 with the equal fixedly connected with of the other end of second rotation board 12 holds board 13.

In order to adapt to windings with different widths and fix the windings after limiting, in this embodiment, referring to fig. 2 and 3, the top of the rotating plate is provided with an adjusting assembly 18, the adjusting assembly 18 includes an adjusting column 181 and an adjusting bolt 182, the two adjusting columns 181 are laterally movably arranged at the top of the first and second rotating plates 11 and 12, the adjusting column 181 is provided with a plurality of through holes, the adjusting bolt 182 is inserted into the rotating plate through the through holes in cooperation with a gasket, and the two adjusting columns 181 are fixed at the top of the first and second rotating plates 11 and 12.

The same sides of the two rotating plates are connected with one side surface of the baffle plate 14, a plurality of through holes are formed in the upper portion of the baffle plate 14, and the through holes in the two baffle plates 14 are symmetrically arranged. The other side surface of the baffle 14 is matched with the through hole and welded with a nut 15, and the nut 15 is connected with a jacking bolt 16 in a threaded manner. The bottom of the jacking bolt 16 is tightly propped against the adjusting column 181, so that the adjusting column 181 is prevented from being displaced when the workpiece is bent, and the forming precision of the workpiece is prevented from being influenced.

The top of the cylindrical block 17 is provided with a fixing assembly 19, the fixing assembly 19 comprises a vertical rod 191, one end of the vertical rod 191 is fixedly arranged at the center of the top of the cylindrical block 17, the vertical rod 191 is sequentially provided with a fixing block 192 and a cross limiting column 193 from inside to outside, the fixing block 192 is sleeved on the vertical rod 191, and the cross limiting column 193 is in threaded connection with the vertical rod 191.

The winding to be formed is transversely placed between the two collinear adjusting columns 181 and the vertical rods 191, and the bottoms of the winding to be formed are tightly attached to the tops of the first rotating plate 11 and the second rotating plate 12. The adjusting bolts 182 are adjusted to enable the two adjusting columns 181 to move, and then the jacking bolts 16 on the baffle 14 are adjusted to push the two adjusting columns 181 to move, so that two sides of the winding are ensured to be clamped by the adjusting columns 181 and the upright rods 191. Then the fixed block 192 is sleeved on the upright rod 191, the bottom surface of the fixed block is clung to the top surface of the winding, and then the cross limiting post 193 is screwed down to fixedly limit the middle part of the winding. The holding plates 13 on both sides of the end twisting mechanism are rotated to make the winding center be twisted straight, so as to form the winding with the bending end.

In order to make the winding form the final U-shape, in this embodiment, see fig. 4-6, the winding forming device further includes a side forming mechanism 2, the side forming mechanism 2 includes a fixing frame 21, a forming frame 22 is hinged to the bottom of the fixing frame 21, fixing plates are fixedly connected to the fixing frame 21 and the upper portion of the forming frame 22, the fixing plates are arranged in a staggered manner, the fixing plates include a first fixing plate 23 and a second fixing plate 24, and the bottom surface of the first fixing plate 23 on the fixing frame 21 is higher than the top surface of the second fixing plate 24 on the forming frame 22. The fixing plate is provided with a plurality of first limiting assemblies 25, each first limiting assembly 25 comprises a limiting plate 251, one side of each limiting plate 251 is fixed on the fixing plate, and the other side of each limiting plate 251 is fixedly connected with a pressing plate module 252.

The pressing plate module 252 includes supports 2521, two supports 2521 are connected to the limiting plate 251, the upper ends and the lower ends of the two supports 2521 are hinged with members, one end of a connecting rod 2524 is hinged closer to the bottom end of the limiting plate 251, the end of an L-shaped support frame 2522 is hinged away from the bottom end of the limiting plate 251, the other end of the connecting rod 2524 is hinged with a turning handle 2523, and the turning handle 2523 is hinged at an inflection point, and one end of the turning handle 2523 is hinged with a corner of the L-shaped support frame 2522.

The limiting plate 251 is provided with a positioning slot for conveniently placing windings, the pressing plate module 252 is mutually matched with a plurality of connecting rod members to limit the windings, and when the limiting plate is used, referring to fig. 6, if the limiting plate is to be opened, the crank 2523 is pulled to the outer side of the limiting plate 251, so that the connecting rod 2524 hinged at the inflection point is driven to move obliquely upwards, and meanwhile, the corner of the L-shaped supporting frame 2522 is driven to move upwards, and then the pressing plate connected to the L-shaped supporting frame 2522 is driven, so that the pressing plate module 252 is opened. The first limiting assembly 25 can well fix the upper and lower layer edges of the winding with the zigzag end parts.

In order to control the width between the upper and lower layer edges of the winding, in this embodiment, referring to fig. 4 and 6, a second limiting component 26 is disposed between the forming frame 22 and the fixing frame 21. The second limiting component 26 comprises a T-shaped rod 261, the T-shaped rod 261 is hinged in the middle of a middle cross rod of the forming frame 22, the other end of the T-shaped rod 261 penetrates out of a middle rectangular frame of the fixing frame 21, a longer part of the T-shaped rod 261 is a threaded rod, a limiting adjusting disc 262 is sleeved on the threaded rod, the limiting adjusting disc 262 is in threaded connection with the threaded rod, the position of the limiting adjusting disc 262 on the threaded rod can be accurately set, the diameter of the limiting adjusting disc 262 is larger than the width of the middle rectangular frame of the fixing frame 21, the limiting adjusting disc 262 cannot penetrate out of the middle rectangular frame of the fixing frame 21, the maximum opening and closing angle between the forming frame 22 and the fixing frame 21 is unchanged, the width between the upper layer side and the lower layer side of a winding is guaranteed to be a certain value, and when the forming width between the upper layer side and the lower layer side of the winding needs to be changed, the position of the threaded rod needs to be adjusted, and the operation is convenient.

The using method of the DC motor armature winding forming device comprises the following steps: the winding to be formed is transversely placed between the two collinear adjusting columns 181 and the vertical rods 191, and the bottoms of the winding to be formed are tightly attached to the tops of the first rotating plate 11 and the second rotating plate 12. The adjusting bolts 182 are adjusted to enable the two adjusting columns 181 to move, and then the jacking bolts 16 on the baffle 14 are adjusted to push the two adjusting columns 181 to move, so that two sides of the winding are ensured to be clamped by the adjusting columns 181 and the upright rods 191. Then the fixed block 192 is sleeved on the upright rod 191, the bottom surface of the fixed block is clung to the top surface of the winding, and then the cross limiting post 193 is screwed down to fixedly limit the middle part of the winding. The holding plates 13 on both sides of the end twisting mechanism are rotated to make the winding center be twisted straight, so as to form the winding with the bending end.

The winding formed into the bent end is placed in the first limiting component 25 of the side forming mechanism 2, the forming frame 22 is pulled to enable the upper layer edge and the lower layer edge to have a certain width and enable the end to form a certain curvature, the winding is formed into a winding with a U-shaped shape, the maximum opening and closing angle between the forming frame 22 and the fixed frame 21 is unchanged, the width between the upper layer edge and the lower layer edge of the winding is guaranteed to be a certain value, and when the forming width between the upper layer edge and the lower layer edge of the winding is required to be adjusted and changed, only the position of the limiting adjusting disc 262 on the threaded rod is required to be adjusted, and the operation is convenient.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The use of the terms "a" and "an" and similar referents in the description and claims of the utility model are not necessarily to scale. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the utility model, and that many combinations of technical features and structures can be made without departing from the scope of the utility model.

Claims (8)

1. A DC motor armature winding forming device is characterized in that: comprising

The end twisting mechanism (1), the end twisting mechanism (1) comprises a cylindrical block (17) and a rotating plate, the bottom of the cylindrical block (17) is connected with a tabletop, the rotating plate comprises a first rotating plate (11) and a second rotating plate (12), one ends of the first rotating plate (11) and the second rotating plate (12) are hinged with the cylindrical block (17), the other ends of the first rotating plate (11) and the second rotating plate (12) are connected with holding plates (13), the same sides of the two rotating plates are connected with one side of a baffle plate (14), a plurality of jack bolts (16) are arranged on the baffle plate (14) along the length direction of the baffle plate in a vertical threaded fit manner, an adjusting assembly (18) is arranged at the top of the rotating plate, and a fixing assembly (19) is arranged at the top of the cylindrical block (17).

Still include side forming mechanism (2), side forming mechanism (2) are including fixed frame (21), fixed frame (21) bottom articulates there is shaping frame (22), fixed frame (21) with shaping frame (22) upper portion all is connected with the fixed plate, the fixed plate includes first fixed plate (23) and second fixed plate (24), two fixed plate dislocation set, all be provided with a plurality of first spacing subassembly (25) on the fixed plate, shaping frame (22) with be provided with second spacing subassembly (26) between fixed frame (21).

2. The armature winding forming apparatus of a direct current motor according to claim 1, wherein: the adjusting assembly (18) comprises adjusting columns (181) and adjusting bolts (182), the two adjusting columns (181) are transversely arranged at the tops of the first rotating plate (11) and the second rotating plate (12), a plurality of through holes are formed in the adjusting columns (181), and the adjusting bolts (182) penetrate through the through holes in a matched mode and are inserted into the rotating plates.

3. The armature winding forming apparatus of a direct current motor according to claim 1, wherein: the fixing assembly (19) comprises a vertical rod (191), one end of the vertical rod (191) is arranged at the center of the top of the cylindrical block (17), a fixing block (192) and a cross limiting column (193) are sequentially arranged on the vertical rod (191) from inside to outside, the fixing block (192) is sleeved on the vertical rod (191), and the cross limiting column (193) is in threaded connection with the vertical rod (191).

4. The armature winding forming apparatus of a direct current motor according to claim 1, wherein: the first limiting assembly (25) comprises a limiting plate (251), one side of the limiting plate (251) is fixed on the fixed plate, and the other side of the limiting plate (251) is provided with a placement groove and is fixedly connected with a pressing plate module (252).

5. The armature winding forming apparatus for a direct current motor according to claim 4, wherein: the pressing plate module (252) comprises supports (2521), the two supports (2521) are connected to the limiting plate (251), the upper end and the lower end of the two supports (2521) are hinged with components, one end, which is closer to the bottom surface end of the limiting plate (251), of a connecting rod (2524) is hinged with the end part, which is far away from the bottom surface end of the limiting plate (251), of an L-shaped supporting frame (2522), the other end of the connecting rod (2524) is hinged with a turning handle (2523) and is hinged at an inflection point, and one end of the turning handle (2523) is hinged with a corner of the L-shaped supporting frame (2522).

6. The armature winding forming apparatus of a direct current motor according to claim 1, wherein: the second limiting assembly (26) comprises a T-shaped rod (261), the T-shaped rod (261) is hinged to the middle of a middle cross rod of the forming frame (22), the other end of the T-shaped rod (261) penetrates out of the middle rectangular frame of the fixed frame (21), the longer part of the T-shaped rod (261) is a threaded rod, a limiting adjusting disc (262) is sleeved on the threaded rod, and the diameter of the limiting adjusting disc (262) is larger than the width of the middle rectangular frame of the fixed frame (21).

7. The armature winding forming apparatus of a direct current motor according to claim 1, wherein: the through holes on the two baffles (14) are symmetrically arranged.

8. The armature winding forming apparatus of a direct current motor according to claim 1, wherein: the bottom surface of the first fixing plate (23) is higher than the top surface of the second fixing plate (24).