CN212875630U

CN212875630U - Series excited stator winding framework and winding equipment

Info

Publication number: CN212875630U
Application number: CN202021438957.1U
Authority: CN
Inventors: 宋超
Original assignee: Shenzhen Gimech Technology Corp
Current assignee: Shenzhen Gimech Technology Corp
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-02
Anticipated expiration: 2030-07-21

Abstract

The utility model provides a series excited stator winding framework and winding equipment, wherein the series excited stator winding framework comprises a lower framework and an upper framework, the lower framework is provided with a lower slide line surface which is arched upwards and has a smooth surface, and the width of the lower slide line surface in the front-back direction is gradually widened from top to bottom; the upper framework is provided with an upper sliding line surface which is arched downwards and has a smooth surface, the width of the upper sliding line surface in the left-right direction is gradually widened from bottom to top, and the lower sliding line surface is provided with an adaptive groove which is arranged in a penetrating manner from front to back; the lower framework is inserted into the adaptive groove in an adaptive mode, the front end and the rear end of the lower framework protrude out of the adaptive groove, the lower sliding line surface is connected with the upper sliding line surface in the circumferential direction, the highest point of the connection position of the lower sliding line surface and the upper sliding line surface is higher than the lowest point of the connection position of the upper sliding line surface and the lower sliding line surface, and therefore the lower sliding line surface is horizontally wound on the coil winding and slides towards the connection position of the upper sliding line surface and the lower sliding line surface. The series excited stator realizes the shaping of the coil in the winding process, does not need subsequent processing and shaping procedures, and improves the production efficiency.

Description

Series excited stator winding framework and winding equipment

Technical Field

The utility model belongs to the technical field of the series excited machine, especially, relate to a series excited stator winding skeleton and spooling equipment.

Background

At present, the coil winding of the existing series motor as the series stator needs to be shaped after winding is completed, so that the coil windings on two groups of opposite sides of the series stator are reversely bent, the production process is complex, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a string excited stator winding skeleton and spooling equipment aims at solving among the prior art string excited stator and need carry out the plastic after the wire winding is accomplished, and production processes is complicated, has reduced production efficiency's technical problem.

The utility model discloses a realize like this, a series excited stator winding skeleton, include:

the lower framework is provided with a downward slide line surface which is arched upwards and has a smooth surface, and the width of the downward slide line surface in the front-back direction is gradually widened from top to bottom;

the upper framework is provided with an upper sliding line surface which is arched downwards and has a smooth surface, the width of the upper sliding line surface in the left-right direction is gradually widened from bottom to top, and the lower sliding line surface is provided with adaptive grooves which are arranged in a penetrating manner from front to back;

the lower framework is inserted into the adaptation groove in an adaptive mode, the front end and the rear end of the lower framework protrude out of the adaptation groove, the lower sliding line surface is connected with the upper sliding line surface in the circumferential direction, the highest point of the connection position of the lower sliding line surface and the upper sliding line surface is higher than the lowest point of the connection position of the upper sliding line surface and the lower sliding line surface, and therefore the connection position of the upper sliding line surface and the lower sliding line surface can slide horizontally around the coil winding.

In one embodiment, the lower framework comprises a connecting part, a first slide wire seat and a second slide wire seat, the first slide wire seat is connected to the front end of the connecting part, the second slide wire seat is connected to the rear end of the connecting part, the first slide wire seat is provided with a first slide wire surface which is back to the second slide wire seat and is arched upwards and forwards, the second slide wire seat is provided with a second slide wire surface which is back to the first slide wire seat and is arched upwards and backwards, the horizontal distance between the first slide wire surface and the second slide wire surface is gradually wider from top to bottom, and the first slide wire surface and the second slide wire surface are connected with the upper slide wire surface.

In one embodiment, the upper framework comprises a third slide wire seat and a fourth slide wire seat which are arranged on the left and right sides, the third slide wire seat and the fourth slide wire seat are connected and jointly enclose to form the adaptive groove, the third slide wire seat is provided with a third slide wire surface which is arched downwards, and the fourth slide wire seat is provided with a fourth slide wire surface which is arched downwards.

In one embodiment, the series-excited stator bobbin further comprises a support rod connected to the upper bobbin and a guide rod connected to the upper bobbin, and the guide rod is provided with a guide groove.

In one embodiment, the upper frame is provided with a positioning hole penetrating through the upper frame, the series excited stator winding frame further comprises a limiting mechanism, the limiting mechanism comprises a connecting rod and a limiting cap, the connecting rod penetrates through the positioning hole, one end of the connecting rod is connected to the lower frame, the other end of the connecting rod is connected to the limiting cap, the limiting cap can rotate around the central axis of the connecting rod between a limiting position and a disassembling position, the upper frame is provided with an abutting surface facing away from the lower frame, the limiting cap abuts against the abutting surface when located at the limiting position so as to limit separation of the lower frame and the upper frame, and projection of the limiting cap facing the abutting surface when located at the disassembling position is located in the positioning hole so that the limiting cap can penetrate through the positioning hole;

when the limiting cap is located at the limiting position, the lower framework and the upper framework can be used for winding coils.

In one embodiment, the limiting mechanism further comprises an elastic member, wherein the elastic member is respectively connected with the limiting cap and the connecting rod and can provide elastic force for the limiting cap to move towards the connecting rod.

In one embodiment, the stop cap includes a rotating member connected to the connecting rod and a rolling member rotatably connected to the rotating member, the rotating member being rotatable between the stop position and the disassembly position, the rolling member being capable of rolling on the abutment surface when the rotating member is rotatable between the stop position and the disassembly position.

The utility model also provides a spooling equipment, include as above series excited stator bobbin.

In one embodiment, the winding device further comprises a wire coating stripping device, and the wire coating stripping device comprises:

the cutting shell is provided with an accommodating cavity, a threading hole and a dust collection hole which are communicated to the accommodating cavity are formed in the cutting shell, and the threading hole is used for a power supply line to pass through;

the peeling mechanism is arranged in the accommodating cavity and used for cutting the coated film of the electric wire;

and the dust suction mechanism is connected with the cutting shell and communicated with the dust suction hole, and is used for sucking away dust in the accommodating cavity.

In one embodiment, the wire coating stripping device further comprises a conveying mechanism which can drive the stripping mechanism to move relative to the wire so that the stripping mechanism can continuously cut the coating of the wire along the extending direction of the wire.

The utility model discloses technical effect for prior art is: the series excited stator winding framework enables an upper sliding wire surface to be connected with a lower sliding wire surface in the circumferential direction through the butt joint of the upper framework and the lower framework, when winding on the series excited stator winding framework, the coil wound to the lower slide wire surface slides upwards under the action of winding tension because the lower slide wire surface is gradually widened from top to bottom until the coil slides to a position close to the lower slide wire surface and connected with the upper slide wire surface, then the wound coil slides to the position close to the lower slide wire surface and below the last circle of coil, the coil wound to the upper slide wire surface slides downwards under the action of winding tension because the upper slide wire surface is gradually widened from bottom to top until the coil slides to a position close to the upper slide wire surface and connected with the lower slide wire surface, then the wound coil slides to the position close to the upper slide wire surface and above the last circle of coil, because the adaptation groove fore-and-aft direction link up and both ends protrusion in the adaptation groove around the lower skeleton, therefore the coil of both ends upwards slides and the coil of controlling both ends slides downwards around and. The highest point of the joint of the lower slide line surface and the upper slide line surface is higher than the lowest point of the joint of the upper slide line surface and the lower slide line surface, namely the height of the joint of the lower slide line surface and the upper slide line surface in the front-back direction is higher than that of the joint of the lower slide line surface and the upper slide line surface in the left-right direction, and the wound coil slides to form a series excitation stator with the front end and the rear end bent upwards. Therefore, the series excited stator realizes the shaping of the coil in the winding process, the subsequent processing and shaping procedures are not needed, the production procedure is simple, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of a series-excited stator winding frame provided by an embodiment of the present invention;

fig. 2 is a front-rear sectional view of the series-wound stator bobbin of fig. 1;

fig. 3 is a left-right direction cross-sectional view of the series-wound stator bobbin of fig. 1;

fig. 4 is a partially enlarged view of the area a in fig. 3;

FIG. 5 is an exploded view of the series excited stator bobbin of FIG. 1;

fig. 6 is a three-dimensional structure diagram of the winding device provided by the embodiment of the present invention;

fig. 7 is a three-dimensional structure diagram of an electric wire coating stripping device provided by the embodiment of the present invention;

fig. 8 is a partial exploded view of the wire coating stripping device in fig. 7.

Description of reference numerals:

100. a fixed seat; 10. a lower framework; 1001. a lower slide surface; 1002. an adaptation groove; 11. a connecting portion; 12. A first trolley wire seat; 120. a first slide surface; 13. a second trolley wire seat; 130. a second slide surface; 20. mounting a framework; 2001. an upper slide surface; 21. a third trolley wire seat; 210. a third slide surface; 22. a fourth trolley wire seat; 220. a fourth slide surface; 201. positioning holes; 202. an abutting surface; 203. a limiting groove; 30. a limiting mechanism; 301. a position avoiding groove; 302. mounting grooves; 31. a connecting rod; 32. a limiting cap; 321. a rotating member; 322. A rolling member; 3221. an inner ring; 3222. an outer ring; 3223. a ball bearing; 323. an annular spring plate; 33. An elastic member; 34. a connecting nail; 40. a positioning member; 401. perforating; 200. a wire film stripping device; 510. A housing; 5101. an accommodating cavity; 5102. threading holes; 5103. a dust collection hole; 5104. an air inlet; 520. a peeling mechanism; 530. a dust suction mechanism; 540. a conveying mechanism; 550. a blowing mechanism; 560. a damping member; 570. a protection block; 5701. a protective bath; 60. a support bar; 70. a guide bar; 701. a guide groove; 300. a drive motor; 400. and a winding platform.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 and 6, the present embodiment provides a series-excited stator winding frame, which includes a lower frame 10 and an upper frame 20. The series-excited stator winding framework is used for winding at least one pair of bent coil windings, and the coil windings can be used as a series-excited stator. The series stator bobbin is disposed on the winding platform 400 of the winding apparatus, and the series stator bobbin can rotate around the axis in the vertical direction under the driving action of the driving motor 300, so as to wind the coil.

Referring to fig. 1, the lower frame 10 has a downwardly-curved surface 1001 with a smooth surface, and the downwardly-curved surface 1001 is gradually wider from top to bottom in the front-rear direction. Since the lower slider surface 1001 has a smooth surface, when winding, the coil is tightened by a tensile force applied to the coil, and then slides upward along the lower slider surface 1001.

Referring to fig. 1 and 2, the upper bobbin 20 has an upper sliding surface 2001 which is arched downward and has a smooth surface, the upper sliding surface 2001 is formed to have a width which is gradually increased from bottom to top in the left-right direction, and the upper sliding surface 2001 has a smooth surface, so that the coil is tightened by a tensile force applied to the coil during winding, and then slides downward along the upper sliding surface 2001. The lower slide surface 1001 is provided with an adapting groove 1002 which is arranged in a penetrating manner from front to back, and the adapting groove 1002 is adapted to the top of the lower framework 10.

Referring to fig. 3, the lower frame 10 is inserted into the adapting groove 1002 to detachably connect the upper frame 20 and the lower frame 10. The front end and the rear end of the lower framework 10 protrude out of the adapting grooves 1002, the lower slide line surface 1001 is circumferentially connected with the upper slide line surface 2001, therefore, the joint of the upper slide line surface 2001 and the lower slide line surface 1001 is a smooth annular curve, and an included angle is formed between the upper slide line surface 2001 and the lower slide line surface 1001. The highest point of the lower winding surface 1001 in contact with the upper winding surface 2001 is higher than the lowest point of the upper winding surface 2001 in contact with the lower winding surface 1001, so that the coil winding wound horizontally slides toward the contact between the upper winding surface 2001 and the lower winding surface. Wherein, a round angle is arranged between the groove bottom and the groove wall of the adapting groove 1002 to ensure that the annular curve is smooth and has no edge angle.

According to the series excited stator winding framework, the upper winding surface 2001 is circumferentially connected with the lower winding surface 1001 through the butt joint of the upper framework 20 and the lower framework 10, and the lower framework 10 and the upper framework 20 are used for guiding and shaping the winding of the coil. When winding on the series stator bobbin, the coil wound to the lower slide wire surface 1001 slides upward under the action of the winding tension due to the gradually widening arrangement of the lower slide wire surface 1001 from top to bottom until sliding to the position close to the lower slide wire surface 1001 and being connected with the upper slide wire surface 2001, then the wound coil slides to the position close to the upper coil on the lower slide wire surface 1001, the coil wound to the upper slide wire surface 2001 slides downward under the action of the winding tension due to the gradually widening arrangement of the upper slide wire surface 2001 from bottom to top until sliding to the position close to the upper slide wire surface 2001 and being connected with the lower slide wire surface 1001, then the wound coil slides to the position close to the upper coil on the upper slide wire surface 2001, and the front and rear directions of the adapting grooves 1002 penetrate through, and the front and rear ends of the lower bobbin 10 protrude out of the adapting grooves 1002, so that the coils at the front and rear ends slide upward and the coils at the left and right ends slide downward. The highest point of the lower sliding surface 1001 in contact with the upper sliding surface 2001 is higher than the lowest point of the upper sliding surface 2001 in contact with the lower sliding surface 1001, that is, the height of the contact between the lower sliding surface 1001 and the upper sliding surface 2001 in the front-rear direction is higher than the contact between the lower sliding surface 1001 and the upper sliding surface 2001 in the left-right direction, and the wound coil slides to form a series-excited stator with front and rear ends bent upward. Therefore, the series excited stator realizes the shaping of the coil in the winding process, the subsequent processing and shaping procedures are not needed, the production procedure is simple, and the production efficiency is improved. Further, since the coils wound on the lower bobbin 1001 are sequentially arranged downward and the coils wound on the upper bobbin 2001 are sequentially arranged upward, the coil windings of the series stator are twisted at the time of winding, and the step of twisting by shaping is omitted.

Referring to fig. 2, specifically, the lower frame 10 includes a connecting portion 11, a first slide wire seat 12 and a second slide wire seat 13, the first slide wire seat 12 is connected to a front end of the connecting portion 11, and the second slide wire seat 13 is connected to a rear end of the connecting portion 11, wherein a top of a cross section of the connecting portion 11 in a left-right direction is an arc line so as to be adapted to a groove bottom of the adapting groove 1002, and left and right ends of the connecting portion are accommodated in the adapting groove 1002. The first slide wire seat 12 has a first slide wire surface 120 facing away from the second slide wire seat 13 and arched forward and upward, the second slide wire seat 13 has a second slide wire surface 130 facing away from the first slide wire seat 12 and arched rearward and upward, a horizontal distance between the first slide wire surface 120 and the second slide wire surface 130 is gradually widened from top to bottom, and both the first slide wire surface 120 and the second slide wire surface 130 are connected to the upper slide wire surface 2001. That is, the coil contacting the first bobbin 120 and the second bobbin 130 is moved upward, and the lowest point of the upper bobbin 20 is not lower than the lowest points of the left and right sides of the lower bobbin 10 to receive the coil. The cross sections of the first sliding line surface 120 and the second sliding line surface 130 in the horizontal direction are curved surfaces that are arched oppositely.

Referring to fig. 3, specifically, the upper frame 20 includes a third slide wire seat 21 and a fourth slide wire seat 22 disposed on left and right sides, the third slide wire seat 21 and the fourth slide wire seat 22 are connected and jointly enclosed to form an adapting groove 1002, the third slide wire seat 21 has a third slide wire surface 210 arched downward, and the fourth slide wire seat 22 has a fourth slide wire surface 220 arched downward. The third sliding surface 210 and the fourth sliding surface 220 may be gradually wider from bottom to top in the front-rear direction, or may be equally wide. The third and fourth sliding

surfaces

210 and 220 are used to slide the wound coil downward until the left and right coils reach the connection part 11. The third slide wire seat 21 and the fourth slide wire seat 22 are provided with through holes which are communicated left and right, the weight of the upper framework 20 is reduced due to the through holes, the upper framework 20 can be conveniently detached, and meanwhile, raw materials and cost are saved.

Referring to fig. 1, in order to guide the winding direction, the series stator winding frame further includes a support rod 60 connected to the upper frame 20 and a guide rod 70 connected to the upper frame 20, and the guide rod 70 is provided with a guide groove 701. The support bar 60 is identical to the end of the fixed coil to prevent the coil from slipping off while providing a tension fixing point. The guide groove 701 can correct an error in winding so that the starting height of winding is fixed. In this embodiment, the guide rod 70 includes a rod portion and a head portion, the guide groove 701 is opened on the head portion and opened at least two, and the guide groove 701 is an annular groove or an arc-shaped groove to avoid abrasion of the winding wire.

Referring to fig. 1 and fig. 3, in the present embodiment, the upper frame 20 is provided with a through positioning hole 201 at the connecting portion 11, and the positioning hole 201 penetrates in the vertical direction. The upper frame 20 has an abutting surface 202 facing away from the lower frame 10, i.e. the abutting surface 202 faces upward.

Referring to fig. 3 and 5, in order to limit the separation of the upper frame 20 and the lower frame 10, the series-excited stator winding frame further includes a limiting mechanism 30, the limiting mechanism 30 includes a connecting rod 31 and a limiting cap 32, the connecting rod 31 penetrates through the positioning hole 201, one end of the connecting rod 31 is connected to the lower frame 10, and the other end of the connecting rod 31 is connected to the limiting cap 32, the limiting cap 32 can rotate between a limiting position and a disassembling position around the central axis of the connecting rod 31, the cross section of the limiting cap 32 is non-circular, so that the limiting cap 32 has long sides and short sides in the horizontal direction, and the positioning hole 201 also has long sides and short sides in the horizontal direction.

When the limiting cap 32 is located at the limiting position, the limiting cap 32 and the positioning hole 201 are staggered in the central axis direction, at this time, the limiting cap 32 abuts against the abutting surface 202, and the limiting cap 32 and the lower framework 10 clamp the upper framework 20 together to limit the separation of the lower framework 10 and the upper framework 20. The lower bobbin 10 and the upper bobbin 20 can be wound with the coil. When the limiting cap 32 is located at the limiting position, the extending direction of the long side of the limiting cap 32 is perpendicular to the extending direction of the long side of the positioning hole 201, so as to prevent the limiting cap 32 from being separated from the positioning hole 201.

The projection of the stop cap 32 towards the abutment surface 202 is located in the positioning hole 201 when in the un-disassembled position, that is, the stop cap 32 can penetrate into the positioning hole 201 when the stop cap 32 is in the un-assembled position. At this time, the cross-sectional area of the positioning hole 201 is greater than or equal to the cross-sectional area of the limiting cap 32. Preferably, the cross-sectional shape of the positioning hole 201 can be matched with the cross-sectional shape of the position limiting cap 32. At this time, the upper frame 20 is moved upward, so that the limiting cap 32 passes through the positioning hole 201 and is disengaged from the positioning hole 201, the upper frame 20 can be disengaged from the lower frame 10, and the series excited stator wound on the lower frame 10 and the upper frame 20 can be removed.

Optionally, the connecting rod 31 is rotatably connected to the lower frame 10, and the limiting cap 32 can drive the connecting rod 31 to rotate, or the connecting rod 31 is fixedly connected to the lower frame 10, and the limiting cap 32 is rotatably connected to the connecting rod 31. The stopper cap 32 can be switched between the stopper position and the disassembly position when twisted by an external force. In this embodiment, the end surface of the end of the connecting rod 31 facing away from the lower framework 10 is provided with a mounting groove 302, the limiting mechanism 30 further includes a connecting nail 34, the connecting nail 34 is inserted into the mounting groove 302 and penetrates through the limiting cap 32, so as to connect the limiting cap 32 and the connecting rod 31.

When limit cap 32 was in limiting position, series excited stator wire winding skeleton made last skeleton 20 can be by the centre gripping between skeleton 10 and limit cap 32 down through setting up stop gear 30, and skeleton 10 and last skeleton 20 overall structure are stable and be fixed in on wire winding platform 400 down this moment to the coil twines, when limit cap 32 was in the position of disassembling, limit cap 32 faced the projection of butt face 202 was located in locating hole 201, limit cap 32 can pass locating hole 201 this moment, go up skeleton 20 and can separate with skeleton 10 down, so that take off the coil that the coiling was accomplished. Therefore, a clamping mechanism does not need to be additionally arranged around the series excited stator winding framework, the upper framework 20 can be fixed and detached through the rotation of the limiting cap 32, the installation space is saved, and the whole volume of the motor winding equipment can be reduced.

Referring to fig. 3 and 5, in order to prevent a gap from being formed between the limiting cap 32 and the upper frame 20, the limiting mechanism 30 further includes an elastic member 33, and the elastic member 33 is respectively connected to the limiting cap 32 and the connecting rod 31 and can provide an elastic force to the limiting cap 32 to move toward the connecting rod 31. Therefore, the limit cap 32 can be elastically abutted against the abutting surface 202, the limit cap 32 and the upper framework 20 are always in a fitting state, the upper framework 20 is prevented from shaking relative to the lower framework 10, meanwhile, the limit cap 32 can be lifted upwards firstly and then rotated when the limit cap 32 is rotated, and abrasion between the limit cap 32 and the upper framework 20 is prevented. Preferably, the elastic member 33 provides an elastic force greater than an upward pulling force applied to the upper bobbin 20 by the coil when the coil is wound.

Referring to fig. 1 and 5, preferably, the upper frame 20 has a limiting groove 203 formed on the abutting surface 202, and the limiting cap 32 can elastically abut against a groove bottom of the limiting groove 203 when being located at the limiting position. The limit groove 203 has a limit function on the limit cap 32, and prevents the lower frame 10 from being separated from the upper frame 20 due to the accidental rotation of the limit cap 32.

When the series stator bobbin rotates, the limiting mechanism 30 or the upper bobbin 20 can be pressed by the pressing mechanism, so that the phenomenon that the upper bobbin 20 shakes due to the elastic force of the elastic piece 33 when the winding tension is too large is avoided.

Referring to fig. 4, in order to further reduce the friction between the stop cap 32 and the contact surface 202 during rotation, the stop cap 32 includes a rotating member 321 connected to the connecting rod 31 and a rolling member 322 rotatably connected to the rotating member 321, the rotating member 321 can rotate between the stop position and the disassembly position, and the rolling member 322 can roll on the contact surface 202 when the rotating member 321 can rotate between the stop position and the disassembly position. Therefore, rolling friction force exists between the limiting cap 32 and the abutting surface 202, and when the limiting cap 32 rotates, rolling is seen on the abutting surface 202, so that the rotation resistance is reduced, and the upper framework 20 is prevented from being scratched when the limiting cap 32 rotates.

In this embodiment, please refer to fig. 3 and 4, the rolling element 322 is a bearing, the bearing includes an inner ring 3221, an outer ring 3222, and balls 3223, the inner ring 3221 is sleeved in the outer ring 3222 and is concentrically disposed with the outer ring 3222, the balls 3223 are located between the inner ring 3221 and the outer ring 3222 and are abutted against an outer annular wall of the inner ring 3221 and an inner annular wall of the outer ring 3222, and the inner ring 3221 and the outer ring 3222 can rotate relatively. In this embodiment, the rotating member 321 has a clearance groove 301 on one side facing the abutting surface 202, the rolling member 322 is partially accommodated in the clearance groove 301 and is rotatably connected to a groove wall of the clearance groove 301, and the clearance groove 301 protects and limits the rolling member 322, thereby improving structural stability. Preferably, the groove wall of the avoiding groove 301 is provided with an annular elastic sheet 323, the inner wall surface of the outer ring is provided with a ring groove, the annular elastic sheet 323 is elastically abutted to the groove bottom of the ring groove, the annular elastic sheet 323 supports and limits the rolling member 322, meanwhile, the inner side of the annular elastic sheet 323 is connected to the groove wall of the avoiding groove 301, and the outer side of the annular elastic sheet 323 is bent and has elasticity, so that the elasticity can play a certain buffering role on the rolling member 322, and the rolling member 322 is prevented from being pressed too much when being moved out from the limiting groove 203.

Referring to fig. 5, preferably, the limiting groove 203 is an arc-shaped groove, and a groove wall of the limiting groove 203 is adapted to the outer annular surface of the rolling element 322. The rolling member 322 can elastically abut against the limit groove 203 when the rotating member 321 is at the limit position.

Referring to fig. 5, in order to limit the rotation of the upper frame 20 relative to the lower frame 10, the series stator winding frame further includes a positioning element 40 connected to the lower frame 10, the positioning element 40 has a non-circular cross section, the positioning element 40 is inserted into the positioning hole 201, the positioning element 40 is adapted to the positioning hole 201, and the positioning element 40 has a limiting effect on the upper frame 20. In the present embodiment, the positioning member 40 has a rectangular cross section.

Referring to fig. 5, the positioning member 40 is provided with a through hole 401 for the connecting rod 31 to pass through, so that the positioning member 40 positions the connecting member to prevent the connecting rod 31 from being inclined. The positioning member 40 is frame-shaped to save cost, and the through hole 401 penetrates through the upper and lower frame edges of the positioning member 40.

Referring to fig. 6, an embodiment of the present invention further provides a winding apparatus, including the series excited stator bobbin provided in each of the embodiments. The series-excited stator bobbin has the same structural features as those of the series-excited stator bobbins in the above embodiments, and functions of the series-excited stator bobbin are the same, which are not described herein again.

Referring to fig. 6 and 7, the winding apparatus further includes a wire coating stripping device 200, and the wire coating stripping device 200 includes a cutting housing 510, a stripping mechanism 520, and a dust suction mechanism 530. The wire coating stripping device 200 is suitable for a winding apparatus of a stator or a rotor.

Referring to fig. 8, the cutting housing 510 has a containing cavity 5101, the cutting housing 510 is provided with a threading hole 5102 and a dust collection hole 5103 both penetrating through the containing cavity 5101, and the threading hole 5102 is used for a power supply line to pass through. The electric wire generally includes a core wire and an insulating coating film covering the core wire. In this embodiment, the core is a copper wire and the coating is a plastic coating.

Referring to fig. 8, the peeling mechanism 520 is disposed in the containing cavity 5101 and is used for cutting a film of the wire. In the present embodiment, the threading hole 5102 may be adapted to the wire to prevent copper scraps from flying out of the threading hole 5102.

Specifically, peeling means 520 includes the connecting piece, cut the blade and rotary driving piece, and the connecting piece is connected and is equipped with and cut casing 510 and set up with the electric wire adaptation and be used for the guiding hole that the power supply line passed, and the electric wire wears to locate the guiding hole promptly, cuts the blade and rotates to be connected in the connecting piece and its axis of rotation and the coincidence of the axis in guiding hole, and rotary driving piece can drive and cut the blade and rotate around its axis of rotation to make and cut the blade and cut the tectorial membrane of electric wire. Thus, the cutting blade can cut the film circumferentially, and when the cutting blade is guided to move axially relative to the peeling mechanism 520, the cutting blade cuts the film spirally, and the film falls off spirally into the containing cavity 5101. Preferably, the cutting blade is arranged at an angle to the radial direction of the wire, so that the cutting blade can cut the film into pieces. The peeling mechanism 520 has a mouth end at the orifice of the guide hole, and a cutting blade cuts the wire coating film at the mouth end. Wherein the guide hole is adapted to the electric wire so that the electric wire keeps extending straight while playing a role of tension as the cutting blade cuts the core wire.

Referring to fig. 7 and 8, the dust suction mechanism 530 is connected to the cutting housing 510 and is communicated with the dust suction hole 5103, and the dust suction mechanism 530 is used for sucking away dust in the accommodating cavity 5101. The dust suction mechanism 530 can form negative pressure at the dust suction hole 5103, so that dust in the accommodating cavity 5101 is sucked out from the dust suction hole 5103, the dust is prevented from being accumulated in the accommodating cavity 5101, and continuous production is facilitated. Wherein the dust is copper scraps and film-coated fragments falling from the core wire.

According to the wire film stripping device 200, the accommodating cavity 5101 is formed, so that copper scraps generated when the stripping mechanism 520 cuts the film can be left in the accommodating cavity 5101 and can not splash around, the wire film stripping device 200 is further provided with the dust suction mechanism 530, so that the copper scraps in the accommodating cavity 5101 are discharged from the dust suction hole 5103, the accumulation of the copper scraps is prevented, and the wire film stripping device 200 can continuously work. Therefore, the copper scraps generated by the stripping mechanism 520 do not influence the insulating performance of other structural components, and the cleaning cost is saved.

Referring to fig. 8, in order to improve the dust discharging efficiency, the cutting housing 510 further has an air inlet 5104, the wire film stripping device 200 further includes an air blowing mechanism 550 connected to the cutting housing 510 and disposed on the air inlet 5104, the air blowing mechanism 550 can inject air into the accommodating cavity 5101 and form air flow in the accommodating cavity 5101, so as to prevent the accommodating cavity 5101 from being vacuumized and unable to provide a negative pressure environment at the dust suction hole 5103. Preferably, the mouth end of the peeling mechanism 520 is located on the line connecting the suction hole 5103 and the air inlet hole 5104. The blowing mechanism 550 can blow the dust generated at the mouth end toward the dust suction hole 5103, so that the dust is discharged from the dust suction hole 5103 by the air flow as soon as the dust is generated.

Referring to fig. 8, in order to further prevent dust from splashing in the accommodating cavity 5101, the wire film stripping device 200 further includes a protection block 570 disposed in the accommodating cavity 5101, specifically, the protection block 570 is connected to a cavity wall of the accommodating cavity 5101, the protection block 570 is provided with a protection groove 5701, a notch of the protection groove 5701 faces the dust collection hole 5103, the protection groove 5701 is arranged in a penetrating manner along an extending direction of the wire so as to avoid blocking the wire from being drawn, the dust collection hole 5103 is located on one radial side of the stripping mechanism 520, a mouth end of the stripping mechanism 520 is located in the protection groove 5701 and close to a bottom of the protection groove 5701, so that a groove wall of the protection groove 5701 plays a role in protection, the dust is prevented from splashing in a direction outside the notch of the protection groove 5701, and the dust can be located between the mouth end of the stripping mechanism 520 and the dust collection hole 5103, and dust collection efficiency is. Preferably, the bottom of the protection groove 5701 is provided with a connecting hole communicated with the air inlet hole 5104, the air blowing mechanism 550 blows air through the air inlet hole 5104 and the connecting hole protection groove 5701, and the air blowing direction faces the notch of the protection groove 5701, so that dust in the protection groove 5701 can be brought to the dust suction hole 5103.

Referring to fig. 7, in order to increase the cutting length of the coating, the wire coating stripping device 200 further includes a conveying mechanism 540, and the conveying mechanism 540 can drive the stripping mechanism 520 to move relative to the wire, so that the stripping mechanism 520 can continuously cut the coating of the wire along the extending direction of the wire. Under the drive of the conveying mechanism 540, the peeling mechanism 520 moves along the extending direction of the electric wire, so that the peeling mechanism 520 can continuously peel off the coating film along the axial direction of the electric wire, the leaking length of the core wire is increased, and the cutting and the use at the later stage are facilitated.

In order to allow the film fragments to fall into the containing cavity 5101, the conveying mechanism 540 can drive the peeling mechanism 520 to move in a direction opposite to the pulling direction of the electric wire, so that the cut films are positioned in front of the mouth end of the cutting mechanism and do not enter the guide holes.

In order to allow the peeling mechanism 520 to cut the wire while the wire is in a tensioned state, the peeling mechanism 520 and the cutting housing 510 together tension the wire. It will be appreciated that the walls of the threading aperture 5102 can apply friction to the outer surface of the wire to prevent the wire from loosening between the stripping mechanism 520 and the threading aperture 5102, thereby preventing the stripping mechanism 520 from cutting the core wire.

In order to further tension the electric wire between the peeling mechanism 520 and the threading hole 5102, the electric wire laminating peeling device 200 further comprises a damping member 560 connected to the cutting housing 510 and disposed at the threading hole 5102, the damping member 560 is provided with a damping hole communicated to the accommodating cavity 5101 and through which the power supply line passes, and the hole wall of the damping hole is elastically abutted to the electric wire. Thus, the electric wire between the peeling means 520 and the threading hole 5102 is kept in a tensioned state by the frictional force of the damper 560 against the outer surface thereof to prevent the electric wire from shaking or slackening. In this embodiment, the damping member 560 is a rubber member, and the damping member 560 is inserted into the threading hole 5102 to increase the contact area with the electric wire, thereby increasing the friction force with the electric wire.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A series excited stator bobbin, comprising:

2. The series-excited stator winding frame according to claim 1, wherein the lower frame includes a connecting portion, a first slide wire seat and a second slide wire seat, the first slide wire seat is connected to a front end of the connecting portion, the second slide wire seat is connected to a rear end of the connecting portion, the first slide wire seat has a first slide wire surface facing away from the second slide wire seat and arched upward and forward, the second slide wire seat has a second slide wire surface facing away from the first slide wire seat and arched upward and backward, a horizontal distance between the first slide wire surface and the second slide wire surface is gradually widened from top to bottom, and the first slide wire surface and the second slide wire surface are connected to the upper slide wire surface.

3. The series excited stator winding frame of claim 1, wherein the upper frame includes a third bobbin base and a fourth bobbin base disposed on the left and right sides, the third bobbin base is connected to the fourth bobbin base and together define the adaptive slot, the third bobbin base has a third bobbin surface that is downwardly arched, and the fourth bobbin base has a fourth bobbin surface that is downwardly arched.

4. The series-excited stator bobbin of claim 1, further comprising a support rod connected to the upper bobbin and a guide rod connected to the upper bobbin, wherein the guide rod is provided with a guide groove.

5. The series-excited stator bobbin of claim 1, wherein the upper bobbin is formed with positioning holes therethrough, the series excited stator winding framework also comprises a limiting mechanism, the limiting mechanism comprises a connecting rod and a limiting cap, the connecting rod penetrates through the positioning hole, one end of the connecting rod is connected with the lower framework, the other end of the connecting rod is connected with the limiting cap, the limit cap can rotate around the central axis of the connecting rod between a limit position and a disassembly position, the upper framework is provided with an abutting surface which is back to the lower framework, the limit cap is abutted against the abutting surface when being positioned at the limit position, when the limiting cap is in the disassembly position, the projection of the limiting cap towards the abutting surface is positioned in the positioning hole, so that the limiting cap passes through the positioning hole;

6. The series excited stator bobbin as claimed in claim 5, wherein the limiting mechanism further comprises an elastic member, the elastic member is connected to the limiting cap and the connecting rod, respectively, and is capable of providing the limiting cap with an elastic force moving toward the connecting rod.

7. The series excited stator bobbin as claimed in claim 5, wherein the stopper cap includes a rotation member connected to the connecting rod and a rolling member rotatably connected to the rotation member, the rotation member being rotatable between the stopper position and the disassembly position, the rolling member being capable of rolling on the abutment surface when the rotation member is rotatable between the stopper position and the disassembly position.

8. A winding apparatus comprising a series excited stator bobbin as claimed in any one of claims 1 to 7.

9. The spooling apparatus of claim 8, wherein the spooling apparatus further comprises a wire coating stripping device, the wire coating stripping device comprising:

10. The wire winding apparatus of claim 9, wherein the wire coating stripping device further comprises a conveying mechanism capable of driving the stripping mechanism to move relative to the wire so that the stripping mechanism can continuously cut the coating of the wire in the wire extending direction.