CN114759750A - Forming equipment and method for flat wire stator winding - Google Patents
Forming equipment and method for flat wire stator winding Download PDFInfo
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- CN114759750A CN114759750A CN202210474247.1A CN202210474247A CN114759750A CN 114759750 A CN114759750 A CN 114759750A CN 202210474247 A CN202210474247 A CN 202210474247A CN 114759750 A CN114759750 A CN 114759750A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0414—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils
- H02K15/0421—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils consisting of single conductors, e.g. hairpins
- H02K15/0428—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils consisting of single conductors, e.g. hairpins characterised by the method or apparatus for simultaneously twisting a plurality of hairpins
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Abstract
The application relates to flat wire stator winding forming equipment and a method, and relates to the technical field of flat wire processing. The flat wire stator winding forming equipment comprises a base, a wire inserting jig, a track board and a driving device; the wire inserting jig is of a cylindrical structure and is rotatably arranged on the base, a plurality of inserting slots are formed in the outer peripheral surface of the wire inserting jig and extend in the axial direction of the wire inserting jig, the inserting slots are arranged at intervals around the central axis of the wire inserting jig and are used for accommodating one end of a flat wire; the track board sets up in the base, and the track board is provided with the mounting hole that corresponds with the plug wire tool, and the plug wire tool rotationally sets up in the mounting hole, and a plurality of wire casings have been seted up to the pore wall of mounting hole, and a plurality of wire casings set up around the central axis interval of mounting hole, and the wire casing is used for holding the other end of flat line. The driving device is used for driving the wire plugging jig to rotate relative to the track board. The flat wire stator winding forming equipment can improve the processing efficiency and the processing yield of the flat wire stator winding forming process.
Description
Technical Field
The application relates to the technical field of flat wire stator winding production, in particular to flat wire stator winding forming equipment and method.
Background
The stator is the stationary part of the motor or generator. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The stator winding of the flat wire motor mainly comprises flat wires, and compared with a circular motor, the flat wire motor has the advantages of low cost, good temperature performance, good rigidity and the like, but the production process of the flat wire stator winding is complex. The existing production process generally adopts the manual work to twist and press a new flat wire into the shaped flat wire to enable the flat wires to be mutually nested and spliced to form the stator winding, the manufacturing efficiency is low, the twisting process of the flat wire at each time is determined by the experience of an operator, the operation process cannot be guaranteed to be stable, the irregular deformation of the flat wire can be possibly caused, and the quality of the flat wire stator winding is influenced.
Disclosure of Invention
The application aims to provide flat wire stator winding forming equipment and method, which can improve the processing efficiency and the processing yield of the flat wire stator winding forming process.
The application is realized by the following technical scheme:
according to the embodiment of the first aspect of the application, the flat wire stator winding forming device comprises: the device comprises a base, a wire plugging jig, a track board and a driving device. The wire inserting jig is of a cylindrical structure and is rotatably arranged on the base, a plurality of slots are formed in the peripheral face of the wire inserting jig, the slots extend along the axial direction of the wire inserting jig, the slots are arranged at intervals around the central axis of the wire inserting jig, and the slots are used for accommodating one end of a flat wire. The track board is arranged on the base, the track board is provided with mounting holes corresponding to the wire inserting jigs, the wire inserting jigs are rotatably arranged in the mounting holes, a plurality of wire grooves are formed in the hole walls of the mounting holes and wound around the central axis of the mounting holes at intervals, the wire grooves correspond to the slots one to one, and the wire grooves are used for containing the other ends of the flat wires. The wire plugging jig is used for driving the wire plugging jig to rotate relative to the track board.
The wire plugging jig is driven by the driving device to rotate relative to the track board, and the fixed end of the flat wire is clamped in the slot. Along with the rotation of plug wire tool, the slot that the stiff end of a flat line set up and the relative position change between the wire casing that has inserted this flat line expansion end, the distance becomes far away, the expansion end of flat line removes to the direction of the slot that is close to the stiff end of self setting along the wire casing under the pulling of flat line self structure, finally break away from the wire casing and enter into insert the slot that is equipped with the stiff end of other flat line along the wire casing in, the slot that the expansion end of this flat line got into is adjacent with the slot that the stiff end of self was located or a plurality of slots in interval. All flat wires that constitute flat wire stator winding rotate with step-by-step under drive arrangement's drive, go on in step with the process of the rotation weaving-in of a plurality of flat wires, one shot forming, degree of automation is high, saves process time, promotes the flat wire stator winding former that this application provided to flat wire stator winding's machining efficiency, improves the yields of product.
According to some embodiments of the application, there is the contained angle between the groove depth direction of wire casing and the straight line that passes through the mounting hole.
Through above-mentioned technical scheme, along with the rotation of plug wire tool, the atress direction when the expansion end of flat line is dragged by self stiff end is kept away from the slot in the one end of plug wire tool by the wire casing towards the slot in the removal of the stiff end setting of same flat line, the activity that this flat line self goes on is the rotation that goes on as the centre of a circle with self stiff end, and the route that the expansion end of flat line removed at the activity in-process is the pitch arc of the directional plug wire tool of atress direction along the flat line expansion end, the groove depth direction of wire casing and process there is the contained angle between the straight line of mounting hole, and the groove depth direction of wire casing extends along the atress direction of flat line expansion end.
On one hand, the slot can sufficiently play a path guiding effect on the movable end of the flat wire, and the movable end of the flat wire can smoothly enter the slot corresponding to the position along the slot; on the other hand, can avoid advancing the extrusion to the outside of flat line and drag, avoid the enameled wire insulating layer of flat line to damage, prevent that the flat line from being by extrusion deformation, promote the yield of the flat line stator winding former production that this application provided.
According to some embodiments of the application, along the groove depth direction of wire casing, the cross-sectional area of wire casing by the tank bottom of wire casing points to the opening of wire casing increases gradually.
Through the technical scheme, the movable end of the flat wire moves in the moving process along the arc line pointing to the wire plugging jig along the stress direction of the movable end of the flat wire, and the movable road stress of the movable end of the flat wire is a combined route of circular motion and linear motion. In addition, there is also certain possibility of removal at the stiff end of flat line in the slot, so the removal route of the expansion end of flat line is not completely regular, the cross sectional area of wire casing is crescent by the opening of the directional wire casing of tank bottom of wire casing, when letting the wire casing can exert the effect that the expansion end of the guide flat line originally moved, avoid the wire casing to excessively restrict the removal route of flat line expansion end, prevent that the cell wall of wire casing and the expansion end of flat line excessive contact from causing the enameled wire insulating layer of flat line to damage or the flat line warp, let promote the quality preferred and the stability that the flat line stator winding former that this application provided can guarantee to process formed.
According to some embodiments of the application, the opening part of slot is provided with the guide part, the guide part is used for guiding the flat line gets into in the slot.
Through the technical scheme, the guide part is arranged at the opening of the slot and indicates the fillet formed by the bevel between the opening of the slot and the peripheral surface of the wire plugging jig. The movable end of the flat wire is separated from the slot and enters the slot, the movable end of the flat wire can be in contact with the opening edge position of the slot along with the rotation of the wire inserting jig, the edge of the slot and the arc surface of the movable end of the flat wire deviating from the direction of the wire inserting jig are pushed, acting force pointing to the slot is generated at the movable end of the flat wire, meanwhile, the acting force received by the movable end of the flat wire can be dispersed by the guide part of the slot, component force which cannot be counteracted can point to the slot, thus the movable end of the flat wire slides into the slot under the combined action of the opening of the slot and the guide part of the slot, the movable end of the flat wire in the slot at the upstream of the rotation direction of the wire inserting jig is sent into the slot, and the slot at the upstream can be an adjacent slot and can also be an interval slot. The application provides a flat line stator winding former can let the process that the expansion end of flat line got into the slot from the wire casing more smoothly stable, reduces the possibility that the flat line damaged appears in the course of working, lifting means's yields.
According to some embodiments of the application, the hole wall of the mounting hole is attached to the outer peripheral surface of the wire inserting jig.
Through above-mentioned technical scheme, the pore wall of mounting hole and the laminating of the outer peripheral face of plug wire tool, the expansion end of flat line can get into the slot at once after the opening part that reachs the wire casing in, has avoided the expansion end of flat line to be blocked the condition between the pore wall of mounting hole and plug wire tool, lets the process that the flat line can draw in into flat line stator winding through the common rotation go on smoothly. The application provides a flat wire stator winding former can let the stable process of drawing in of flat wire go on, and the removal route through to the flat wire expansion end carries out complete guide and lets the rotation of setting and the flat wire in the equipment keep as far as possible in step, reduces the damage probability of flat wire in the course of working.
According to some embodiments of the application, the plug wire tool includes the barrel and sets up in the disc at the both ends of barrel, every the outer peripheral face of disc is provided with a plurality of slots.
Through the technical scheme, the peripheral face of each disc is provided with the slots, the slots on the two discs of the wire inserting jig correspond to one another, the number of layers of the flat wire stator winding, the type of the flat wire and other factors which are manufactured according to specific needs are different, and the interval angle between two adjacent slots on the wire inserting jig of each flat wire stator winding forming device is different. The stiff end of flat line need be through passing in the slot that the position on two upper and lower discs of plug wire tool corresponds when fixing the plug wire tool, and double-deck slot probably is more stable to the fibre effect of the stiff end of flat line when the flat line rotates.
The length of flat wire is longer, when carrying out the single-point spacing to the stiff end of flat wire, the stress point of flat wire stiff end is few, and the effort direction that the flat wire received simultaneously is unified, will cause the flat wire to follow the effort direction easily and take place the deformation distortion. The application provides a flat wire stator winding former adopts double-deck slot structure to divide the stress point of the stiff end of flat wire for two, lets the dispersion that the effort can be even at the stiff end of flat wire, avoids stress concentration, and the effort direction that the stiff end of flat wire received at each stress point is not unanimous simultaneously, and the effort can be perhaps offset a part through flat wire self, effectively protects the flat wire indeformable, the stability of lifting means's product.
According to some embodiments of the application, flat line stator winding former still includes the fixed plate, the fixed plate rotates to be set up in the base, orbit board and plug wire tool's a disc normal running fit, another disc of plug wire tool is fixed to be set up in the fixed plate, the fixed plate is provided with a plurality of spacing grooves, a plurality of spacing grooves and a plurality of slot one-to-one, the plug wire tool passes through the fixed plate and is connected with drive arrangement's output, the spacing groove is used for bearing the one end of the flat line of the slot that passes the position correspondence.
Through the technical scheme, the fixed plate is provided with a plurality of spacing grooves, the plug wire tool sets up on the fixed plate, and slot and spacing groove one-to-one, the stiff end of flat wire passes the slot and inserts and establish at the spacing inslot, the expansion end and the fixed plate sliding fit of flat wire, the spacing groove is injectd the home range of flat wire stiff end, effectively avoid the stiff end of flat wire to draw in the shaping in-process roll-off from the slot in, guarantee that a plurality of flat wires of drive that flat wire stator winding former can be smooth that this application provided rotate simultaneously and accomplish the operation of drawing in, let the flat wire stator winding stable quality who produces.
Track board and fixed plate cooperate with two discs of plug wire tool respectively, will separate the guide function to the expansion end of flat line and the limit function to the stiff end, avoid the two to influence each other.
According to some embodiments of the application, the flat wire stator winding former further comprises a plurality of positioning pins, the plurality of positioning pins are wound around the central axis of the mounting hole in an interval mode in the assembling process, the track plate passes through the positioning pins and the fixing plate in a corresponding mode, the mounting hole and the limiting groove are coaxially arranged, and the plurality of positioning pins are pulled out after the assembly is completed.
Through the technical scheme, in the assembling process, the positioning pins are arranged at intervals around the central axis of the mounting hole, and the track plate and the fixing plate are correspondingly arranged through the positioning pins, so that the mounting hole and the limiting groove are coaxially arranged, and the positioning pins are pulled down after the assembly is completed. Can realize the whole assembly to the two according to mounting hole or one of them position of spacing groove when assembling the plug wire tool, simplify the assembly degree of difficulty of equipment, the popularization of the device of being convenient for.
According to a second aspect of the present application, a method for forming a flat wire stator winding is provided, for processing a flat wire into a stator winding, and includes the following steps:
s0: pre-inserting the fixed ends of the flat wires into the slots of the wire inserting jig;
s1: pre-inserting the movable ends of the flat wires into the wire grooves of the track board;
s2: the wire inserting jig rotates to drive the flat wires to rotate synchronously, and the movable ends of the flat wires move along the wire grooves so as to furl the flat wires into the stator winding.
Through above-mentioned technical scheme, S0 is inserted the stiff end of a plurality of flat wires in the slot of plug wire tool in advance, is fixed in the slot of plug wire tool with the stiff end of flat wire. And S1, pre-inserting the movable ends of the flat wires into the wire grooves of the track board, wherein the movable ends of the flat wires can move along the wire grooves, and S0 and S1 are generally performed synchronously when the flat wires are pre-inserted. S2 allows the wire inserting jig to rotate to drive a plurality of flat wires to rotate synchronously, the movable ends of the flat wires move along the wire slots to fold the flat wires into the stator winding, when the flat wires are pre-inserted, the flat wires are inserted around the wire inserting jig at equal intervals, when the wire inserting jig rotates, the relative positions of the wire inserting jig and the track plate change, the movable ends of the flat wires move along the wire slots to ensure that the distance between the movable ends and the fixed ends of the flat wires cannot change, so that the flat wires are folded synchronously, and are folded to the end, the flat wires are spliced with each other and finally are finally wound into a circular flat wire stator winding.
According to some embodiments of the present application, in S2, the movable ends of the plurality of flat wires move along the wire slot into the slot.
Through the technical scheme, the movable ends of the flat wires move to the slots along the wire slots, the fixed ends of the flat wires face the inner sides of the flat wire stator windings, the movable ends of the flat wires compress other flat wires, and each flat wire can mutually compress the flat wire stator windings to form a stable structure.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a flat-wire stator winding forming apparatus provided in an embodiment of the present application;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic view of an internal structure of a flat wire stator winding forming device according to an embodiment of the present application;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural diagram of a driving device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a wire plugging fixture according to an embodiment of the present application.
An icon: 1-a base; 2-wire inserting jig; 3-a track pad; 4, fixing a plate; 5-a drive device; 6-positioning pins; 7-fixing the column; 201-slot; 202-barrel; 203-disc; 301-wire chase.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
As shown in fig. 1 to 5, a flat wire stator winding forming device includes a base 1, a wire inserting jig 2, a track plate 3 and a driving device 5, the flat wire stator winding forming device is a flat wire with a U-shaped structure when processing, and two side edges of the flat wire are respectively a fixed end and a movable end.
Wherein, the plug wire tool 2 is cylindric structure, the plug wire tool 2 rotates and sets up in base 1, the outer peripheral face of plug wire tool 2 is provided with a plurality of slots 201, slot 201 extends along the axial of plug wire tool 2, a plurality of slots 201 set up around the central axis interval of plug wire tool 2, slot 201 is used for holding the one end of flat wire, the interval angle between two adjacent slots 201 on the plug wire tool 2 is the same, the one end of flat wire is inserted and is established in slot 201, the flat wire is inserted and is located one section in slot 201 for the stiff end, the stiff end of flat wire extends in slot 201 along the axis direction of plug wire tool 2, the stiff end of flat wire can rotate at slot 201.
Wherein, the orbit board 3 sets up in base 1, and orbit board 3 is provided with the mounting hole that corresponds with plug wire tool 2, and plug wire tool 2 rotationally sets up in the mounting hole. The hole wall of the mounting hole is provided with a plurality of wire grooves 301, each wire groove 301 is an elongated slot structure with one end communicated with the mounting hole, the wire grooves 301 are arranged at intervals around the central axis of the mounting hole, the interval angles between every two adjacent wire grooves 301 on the track board 3 are the same, and the wire grooves 301 are in one-to-one correspondence with the slots 201.
Drive arrangement 5 is used for driving plug wire tool 2 to rotate for 3 relatively of orbit boards, the stiff end of flat line is blocked and is established in slot 201, along with plug wire tool 2's rotation, the slot 201 that the stiff end of a flat line set up and the relative position between the wire casing 301 that has inserted this flat line expansion end change, the distance becomes far away, the expansion end of flat line moves to the direction of the slot 201 that is close to the stiff end of self along wire casing 301 under the pulling of flat line self structure, finally break away from wire casing 301 along wire casing 301 and enter into the slot 201 of the stiff end of inserting other flat line, the slot 201 that the expansion end of this flat line got into is adjacent with the slot 201 that the stiff end of self was located or a plurality of slots 201 in interval.
All flat wires forming the flat wire stator winding are driven by the driving device 5 to rotate synchronously, the process of weaving the rotation of the flat wires is carried out synchronously, the processing time is saved through one-step forming, and the processing efficiency of the flat wire stator winding forming equipment provided by the application to the flat wire stator winding is improved.
In some embodiments, the wire chase 301 may be an elongated slot extending from the track board 3 in a direction toward the wire insertion jig 2. In other embodiments, wire chase 301 may also be an arcuate chase.
Optionally, the track plate 3 is connected with the output end of the driving device 5, the driving device 5 drives the track plate 3 to rotate, and the track plate 3 rotates to change the relative position between the track plate and the wire inserting jig 2, so that the movable end of the flat wire can move along the wire slot 301.
Wherein, as shown in fig. 2, there is the contained angle between the groove depth direction of wire casing 301 and the straight line through the mounting hole, along with the rotation of plug wire tool 2, the atress direction when the expansion end of flat wire is dragged by self stiff end is by wire casing 301 keep away from slot 201 in the removal that plug wire tool 2's one end set up towards the stiff end of same flat wire, the activity that this flat wire self goes on is with the rotation that self stiff end goes on as the centre of a circle, the route that the expansion end of flat wire moved at the activity in-process is the pitch arc of the directional plug wire tool 2 of atress direction along the flat wire expansion end, there is the contained angle between the groove depth direction of wire casing 301 and the straight line through the mounting hole, the groove depth direction of wire casing 301 extends along the atress direction of flat wire expansion end.
On one hand, the trunking 301 can sufficiently play a path guiding effect on the movable end of the flat wire, and the movable end of the flat wire can smoothly enter the slot 201 corresponding to the position along the trunking 301; on the other hand, can avoid advancing the extrusion to the outside of flat line and drag, avoid the enameled wire insulating layer of flat line to damage, prevent that the flat line from being by extrusion deformation, promote the yield of the flat line stator winding former production that this application provided.
Wherein, as shown in fig. 4, the cross-sectional area of the wire casing 301 is gradually increased from the groove bottom of the wire casing 301 to the opening of the wire casing 301, the moving route of the movable end of the flat wire in the moving process is the arc line pointing to the wire plugging jig 2 along the force direction of the movable end of the flat wire, the moving route of the movable end of the flat wire is the combined route of circular motion and linear motion, in addition, the fixed end of the flat wire also has a certain moving condition in the slot 201, so the moving route of the movable end of the flat wire is not completely regular.
The sectional area of wire casing 301 increases gradually by the directional wire casing 301's of tank bottom of wire casing 301 opening and lets wire casing 301 exert the guide flat wire that originally the expansion end of moving effect when, avoid wire casing 301 to excessively restrict the moving path of flat wire expansion end, let the expansion end of flat wire can move towards the direction that is different from wire casing 301 groove depth direction in wire casing 301, reserve the activity space for the expansion end of flat wire, prevent that the cell wall of wire casing 301 from excessively contacting with the expansion end of flat wire and cause the enameled wire insulating layer of flat wire to damage or the flat wire warp, let promote the quality preferred and the stability that the flat wire stator winding former that this application provided can guarantee to process.
Wherein, the opening of slot 201 is provided with the guide part, and this guide part indicates the fillet that the dog-ear between the opening of slot 201 and the plug wire tool 2 outer peripheral face becomes.
The active end of the flat wire is separated from the slot 301 and enters the slot 201, the active end of the flat wire can rotate along with the wire inserting jig 2 and contacts with the edge position of the opening of the slot 301, the edge of the slot 301 and the arc surface of the active end of the flat wire departing from the direction of the wire inserting jig 2 push to generate acting force pointing to the slot 201 on the active end of the flat wire, meanwhile, the guiding part of the slot 201 can disperse the acting force received by the active end of the flat wire, the component force which cannot be counteracted can point to the slot 201, thereby the active end of the flat wire slides into the slot 201 under the combined action of the opening of the slot 301 and the guiding part of the slot 201, the active end of the flat wire of the slot 201 in the slot 201 at the upstream of the rotating direction of the wire inserting jig 2 is sent to the slot 201, the slot 201 at the upstream can be an adjacent slot 201, and can also be an interval slot 201. The application provides a flat line stator winding former can let the process that the expansion end of flat line got into slot 201 from wire casing 301 more smoothly stable, reduces the possibility that the flat line damaged appears in the course of working, lifting means's yields.
Wherein, the hole wall of the mounting hole is attached to the peripheral surface of the wire inserting jig 2.
The expansion end of flat wire can get into slot 201 at once after the opening part that reachs wire casing 301, the condition of the expansion end of having avoided the flat wire blocked between the pore wall of mounting hole and plug wire tool 2, let the flat wire can draw in into going on that the process of flat wire stator winding can be smooth through the common rotation, the flat wire stator winding former that this application provided can let the process of drawing in of flat wire go on steadily, carry out complete guide through the removal route to the flat wire expansion end and let the rotation of the flat wire in setting and the equipment keep as far as in step as possible, reduce the damage probability of flat wire in the course of working.
As shown in fig. 6, the wire plugging jig 2 includes a cylinder 202 and disks 203 disposed at two ends of the cylinder 202, the two disks 203 are disposed coaxially with the cylinder 202, a plurality of slots 201 are disposed on an outer peripheral surface of each disk 203, and the slots 201 on the two disks 203 of the wire plugging jig 2 are in one-to-one correspondence.
The factors such as the number of piles of the flat wire stator winding, the kind of the flat wire of making according to concrete needs, it is different when the interval angle between two adjacent slots 201 on the plug wire tool 2 of every flat wire stator winding former, the stiff end of flat wire need be through passing in the slot 201 that the position on two upper and lower discs 203 of plug wire tool 2 corresponds when fixing plug wire tool 2, double-deck slot 201 probably is more stable to the fibre effect of the stiff end of flat wire when the flat wire rotates.
Further, the length of flat wire is longer, when carrying out the single-point spacing to the stiff end of flat wire, the stress point of flat wire stiff end is few, and the effort direction that the flat wire received simultaneously is unified, will cause the flat wire to follow the effort direction easily and take place the deformation distortion. The application provides a flat wire stator winding former adopts double-deck slot 201 structure, divide the stress point of the stiff end of flat wire for two, let the dispersion that the effort can be even at the stiff end of flat wire, avoid stress concentration, the effort direction that the stiff end of flat wire received at each stress point is not unanimous simultaneously, the effort can be perhaps offset partly through flat wire self, effectively protect the flat wire indeformable, the stability of the product of lifting means.
Wherein, flat line stator winding former still includes fixed plate 4, fixed plate 4 rotates and sets up in base 1, fixed plate 4 is provided with a plurality of spacing grooves, a plurality of spacing grooves and a plurality of slot 201 one-to-one, plug wire tool 2 passes through fixed plate 4 and is connected with drive arrangement 5's output, plug wire tool 2 rotates with fixed plate 4 under drive arrangement 5's drive in step, the spacing groove is used for bearing the stiff end of the flat line that passes slot 201 that the position corresponds.
The length of the expansion end of the flat wire of equipment processing usefulness is short in the stiff end, the stiff end of flat wire passes slot 201 and inserts and establish the spacing inslot, the expansion end and the 4 sliding fit of fixed plate of flat wire, the home range of flat wire stiff end is injectd to the spacing groove, effectively avoid the stiff end of flat wire to slide out in drawing in the forming process from slot 201, guarantee that a plurality of flat wires of drive that flat wire stator winding former can be smooth that this application provided rotate simultaneously and accomplish the operation of drawing in, let the flat wire stator winding stable quality who produces.
Further, the track plate 3 and the fixing plate 4 are respectively matched with the two discs 203 of the wire inserting jig 2, so that the guiding function of the movable end of the flat wire and the limiting function of the fixed end of the flat wire are separated, and the mutual influence of the guiding function and the limiting function is avoided.
Further, flat wire stator winding former still includes a plurality of locating pins 6, and in the assembling process, a plurality of locating pins 6 set up around the central axis interval of mounting hole, and the axial direction of locating pin 6 is on a parallel with the axis direction of mounting hole.
The track plate 3 is provided with a plurality of first positioning holes, the fixing plate 4 is provided with a plurality of second positioning holes corresponding to the first positioning holes, each positioning pin 6 is configured to be inserted into one first positioning hole and the corresponding second positioning hole so as to assemble the track plate 3 and the fixing plate 4, and all the positioning pins 6 are pulled out after the assembly is completed, so that the fixing plate 4 can rotate under the driving of the driving device 5.
Let the relative position of orbit board 3 and fixed plate 4 when the assembly can be fixed through locating pin 6, locating pin 6 can realize the whole assembly to the two according to mounting hole or one of them position of spacing groove when letting plug wire tool 2 assemble, simplifies the assembly degree of difficulty of equipment, the popularization of the flat line stator winding former of being convenient for.
Wherein, still be provided with a plurality of fixed columns 7 on the flat wire stator winding former, a plurality of fixed columns 7 set up around the axis interval of mounting hole, and the axial direction of fixed column 7 is on a parallel with the axis direction of mounting hole.
Wherein, the flat wire stator winding former that this application provided can adjust the thickness or the number of piles of the flat wire stator winding that the adjustment made is come to the angular difference between per two adjacent slots 201 on the plug wire tool 2, however, the plug wire tool 2 that uses processing multilayer stator winding can accomplish the stator winding to the individual layer or be less than the number of piles upper limit that plug wire tool 2 can be prepared equally, when pre-inserting the flat wire with one or more slots 201 in interval between the stiff end of adjacent flat wire can realize processing the stator winding that is less than the number of piles upper limit that plug wire tool 2 can be prepared, concrete use is not restricted by the slot 201 interval angle of plug wire tool 2 completely, and is nimble changeable.
When the wire inserting jig 2 for processing a multilayer stator winding is used for manufacturing a single-layer flat wire stator winding, the movable end of one flat wire enters the slot 201 which is used as an interval and is not inserted with the flat wire along the wire slot 301 along with the pulling of the wire inserting jig 2.
Wherein, during the processing multilayer flat wire stator winding, it is first, the flat wire is put into flat wire plug wire tool 2 to the second floor, be about to the flat wire and insert full slot 201, rotary mechanism is rotatory, the expansion end of flat wire can get into adjacent along direction of rotation low reaches or spaced a plurality of slots 201 along wire casing 301, insert in the slot 201 of the stiff end that is equipped with other flat wires already, so that the mutual buckle of the flat wire on first, second floor is lived, can once only draw in the completion with the flat wire on first layer and second floor, can adorn whole stator winding, this plug wire method, and simple process can improve production efficiency when not damaging the flat wire.
On the other hand, the application also provides a method for forming the flat wire stator winding, which adopts the equipment for forming the flat wire stator winding and comprises the following steps:
s0: the fixed ends of the flat wires are pre-inserted into the slots 201 of the wire inserting jig 2, and the fixed ends of the flat wires are fixed into the slots 201 of the wire inserting jig 2.
S1: the movable ends of the flat wires are pre-inserted into the wire slots 301 of the track board 3, the movable ends of the flat wires can move along the wire slots 301, wherein S0 and S1 are generally performed synchronously when the flat wires are pre-inserted.
S2: the wire inserting jig 2 is rotated to drive the plurality of flat wires to rotate synchronously, and the movable ends of the plurality of flat wires move along the wire slot 301 so as to gather the plurality of flat wires into the stator winding.
When carrying out the flat wire and inserting in advance, a plurality of flat wires carry out the equidistance around plug wire tool 2 and insert and establish, plug wire tool 2 rotates, plug wire tool 2 and orbit board 3's relative position changes, the expansion end of flat wire moves along wire casing 301 and can not change with the distance between the expansion end and the stiff end of guaranteeing the flat wire, thereby realize the synchronous drawing in of flat wire, draw in to finally, a plurality of flat wires splice each other and finally encircle into a circular ring form flat wire stator winding, the process that the rotation of a plurality of flat wires was woven into is gone on in step to the flat wire stator winding forming method that this application provided, one shot forming, save process time, high processing efficiency, easily promote.
Furthermore, the movable ends of the flat wires move into the slot 201 along the wire slot 301, the fixed ends of the flat wires face the inner side of the flat wire stator winding, and the movable ends of the flat wires compress other flat wires, so that the flat wires can mutually compress each other to form a flat wire stator winding with a stable structure.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A flat wire stator winding former, characterized by comprising:
a base;
the wire inserting jig is of a cylindrical structure and is rotationally arranged on the base, a plurality of inserting grooves are formed in the peripheral surface of the wire inserting jig, the inserting grooves extend along the axial direction of the wire inserting jig, the inserting grooves are arranged around the central axis of the wire inserting jig at intervals, and the inserting grooves are used for accommodating one end of a flat wire;
the track board is arranged on the base and provided with mounting holes corresponding to the wire inserting jigs, the wire inserting jigs are rotatably arranged in the mounting holes, the hole wall of each mounting hole is provided with a plurality of wire grooves, the wire grooves are arranged at intervals around the central axis of the mounting hole, the wire grooves correspond to the slots one by one, and the wire grooves are used for accommodating the other ends of the flat wires;
And the driving device is used for driving the wire plugging jig to rotate relative to the track board.
2. The flat wire stator winding former of claim 1, wherein an angle exists between a groove depth direction of the wire grooves and a straight line passing through the mounting hole.
3. The flat wire stator winding forming apparatus according to claim 1, wherein a sectional area of the wire slot is gradually increased from a slot bottom of the wire slot toward an opening of the wire slot in a slot depth direction of the wire slot.
4. The flat wire stator winding forming device according to claim 1, wherein a guide portion is provided at an opening of the slot, and the guide portion is used for guiding the flat wire into the slot.
5. The flat wire stator winding forming device according to claim 1, wherein a hole wall of the mounting hole is attached to an outer peripheral surface of the wire insertion jig.
6. The flat wire stator winding forming device according to claim 1, wherein the wire inserting jig comprises a cylinder and discs arranged at two ends of the cylinder, and the plurality of slots are arranged on the outer circumferential surface of each disc.
7. The flat wire stator winding forming device according to claim 6, further comprising a fixing plate, wherein the fixing plate is rotatably disposed on the base, the track plate is rotatably engaged with one of the discs of the wire inserting jig, the other disc of the wire inserting jig is fixedly disposed on the fixing plate, the fixing plate is provided with a plurality of limiting grooves, the limiting grooves are in one-to-one correspondence with the slots, the wire inserting jig is connected with the output end of the driving device through the fixing plate, and the limiting grooves are used for bearing one end of the flat wire passing through the slots corresponding to the positions.
8. The flat wire stator winding forming device according to claim 7, further comprising a plurality of positioning pins, wherein the positioning pins are arranged around the central axis of the mounting hole at intervals in an assembling process, the track plate is arranged corresponding to the fixing plate through the positioning pins, the mounting hole and the limiting groove are arranged coaxially, and the positioning pins are pulled out after the assembling is completed.
9. A method for forming a flat wire stator winding is used for processing a flat wire into a stator winding and is characterized by comprising the following steps:
s0: pre-inserting the fixed ends of the flat wires into the slots of the wire inserting jig;
s1: pre-inserting the movable ends of the flat wires into the wire grooves of the track board;
s2: the wire inserting jig rotates to drive the flat wires to rotate synchronously, and the movable ends of the flat wires move along the wire grooves so as to furl the flat wires into the stator winding.
10. The method of forming flat wire stator windings according to claim 9 wherein the free ends of the plurality of flat wires are moved along the wire slots into the slots in S2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210474247.1A CN114759750B (en) | 2022-04-29 | 2022-04-29 | Flat wire stator winding forming equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210474247.1A CN114759750B (en) | 2022-04-29 | 2022-04-29 | Flat wire stator winding forming equipment and method |
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| CN114759750A true CN114759750A (en) | 2022-07-15 |
| CN114759750B CN114759750B (en) | 2023-05-12 |
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| CN110890820A (en) * | 2019-11-07 | 2020-03-17 | 上海华太信息技术有限公司 | Flat wire stator winding transfer device and method for clamping flat wire stator winding |
| CN110943582A (en) * | 2019-12-09 | 2020-03-31 | 浙江龙芯电驱动科技有限公司 | Flat wire motor armature winding end part twisting protection assembly |
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| CN115133732A (en) * | 2022-08-30 | 2022-09-30 | 深圳市合利士智能装备有限公司 | Flat wire motor pre-plugging wire transfer mechanism |
| CN115133732B (en) * | 2022-08-30 | 2023-01-10 | 深圳市合利士智能装备有限公司 | Pre-plug wire transfer mechanism of flat wire motor |
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| CN114759750B (en) | 2023-05-12 |
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