CN101854099A

CN101854099A - Manufacture method and coiling device of large diameter stator coil

Info

Publication number: CN101854099A
Application number: CN200910301266A
Authority: CN
Inventors: 刘侃
Original assignee: VICTORY HOME CO Ltd
Current assignee: VICTORY HOME CO Ltd
Priority date: 2009-04-01
Filing date: 2009-04-01
Publication date: 2010-10-06

Abstract

The invention relates to a manufacture method and a coiling device of a large diameter stator coil. The device comprises a spool. A continuous enamelled wire is coiled on the spool; the spool consists of a central slide block and stator modules arranged at both sides, the whole cross section of the spool is same as the cross section of stator teeth which are mutually sleeved, the width of a fin formed on each stator module is equal to a small group interval of two adjacent coil groups, and the distance between every two fins is the length of each coil or a wire separation section; and the length of the outer diameter for encircling the wire separation section is at least larger than a large group interval for spacing a plurality of stator teeth so that an enamelled coil coiled on the stator modules form a continuous coil group which has the same group interval, sequence and coil length with each preset coil group through restriction of the distance between every two fins or the wire separation section, and therefore, by utilizing the continuous coil group prepared in advance, when assembled, the coiling device can be directly sleeved in the stator teeth, thereby lightly manufacturing the large diameter stator coil.

Description

The method for making of large diameter stator coil and coiling device thereof

Technical field:

The present invention relates to a kind of method for making and coiling device thereof of large diameter stator coil, refer in particular to a kind of device and can according to this enamelled wire be turned at least one coil groups continuously, and allow those coil groups reserve the group gap, make and those coil groups directly can be inserted in the method for winding and the device of stator tooth.

Background technology:

Please refer to shown in Figure 1, structure for existing stator pack, wherein this stator pack 10 has one by iron core 11 that several silicon steel sheets constituted, this iron core 11 has been made several stator tooths 12, at least one group of coil groups of coiling 13 on those stator tooths 12 can form the used stator pack of motor (only doing explanation with); By finding out among the figure, same continuous enamelled wire is in the formed coil groups 13 of stator tooth, have adjacent between any two each other or the space-number tooth is provided with two kinds of situations, therefore need to form coil groups in correct position with suitable direction of winding, just can produce preferable stator pack according to design.The mode of production by present stator pack, mainly be to utilize coil winding machine and cooperate suitable mold, on those stator tooths, form coil groups in regular turn according to design, yet, when making the sets of stator coils of the used large-sizes of hub motor such as locomotive or electric bicycle, should have the winding technology and the equipment of coil now, because of the too little sets of stator coils that can't support to make this large-size of scale, therefore can only use manpower produces in the mode of manual coiling, therefore, the production process of large diameter stator coil group is quite inefficent, and production cost is relatively also higher; Moreover, the position of coiling and direction are if will accomplish correct, the coiling personnel then need to possess the technology and the experience of certain degree, yet forming suitable coiling personnel is difficult for, if coiling personnel's quality differs, directly influence is exactly the quality instability that causes stator coil, and is comprehensive, and winding technology and the processing apparatus thereof of producing large diameter stator coil at present still have worth place of being improved.

Summary of the invention:

Problem to be solved by this invention is: at above-mentioned the deficiencies in the prior art, provide a kind of winding method and coiling device thereof of the large diameter stator coil that can make things convenient for stator used coil in the big footpath of coiling to make and can produce easily.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of method for making of large diameter stator coil, be that a continuous enamelled wire is prepared into a continuous coil group with several coil groups, with this continuous coil prescription just cover organize stator tooth in stator core, be characterized in: the stator tooth external form of described stator core is rectangular, the spacing of those coil groups is group's distance of adjacent windings group, or at least greater than big group of distance of several stator tooths at interval, the degree of depth that this loop length is a coil groups on the stator tooth, and this group's distance, the distance of big group distance, the order and the loop length that form, each coil groups group distance actual designed with this stator coil, order and loop length are identical, utilize this continuous coil group of preparation in advance, when assembling, directly be inserted in the stator tooth, and then finish the coiling making of big footpath stator.

The device of the above-mentioned large diameter stator coil of coiling of the present invention comprises a roll, and this roll is installed on the axle bed, utilizes a runner to drive this roll and rotates, and then make a continuous enamelled wire be wound on this roll; Its characteristics: described roll is made up of a central slide block and the stator modules of being located at both sides, and the external form of this central authorities' slide block is the isosceles ladder type, and the two ends of this central authorities' slide block are respectively equipped with rotating shaft; With the relative configuration combination with the set V-type groove of stator modules of keeping to the side of this stator modules adjacency, whole section is identical with the stator tooth section of mutual cover group on this central authorities' slide block.

So, only need directly coil groups to be inserted in the making that stator tooth can be finished stator coil in regular turn, even the producers that lack experience also can finish the making of sets of stator coils easily; Because the continuous coil group coiling of preparation is simple to operation in advance, and convenient directly being sheathed in the stator tooth, significantly simplify the winding technology difficulty of large diameter stator coil, also shorten the time of coiling simultaneously.

Description of drawings:

Fig. 1 is known stator silicon steel sheet schematic appearance.

Fig. 2 a is the stator structure schematic diagram one that the present invention applies mechanically.

Fig. 2 b is the stator structure schematic diagram two that the present invention applies mechanically, and stator tooth is arranged in a linear.

Fig. 3 is the formed continuous coil group of a method for winding of the present invention schematic diagram.

Fig. 4 is the structural representation of method for winding device of the present invention preferred embodiment.

Fig. 5 is the structural representation of roll shown in Figure 4.

Fig. 6 finishes the schematic diagram that the continuous coil group of coiling is withdrawed from by roll.

Fig. 7 is that the formed continuous coil group of method for winding of the present invention is implemented schematic diagram.

Label declaration:

10. stator pack 11. iron cores

12. stator tooth 20. coil groups

30. stator core 31. stator tooths

40. continuous coil group 41. enamelled wires

42. coil groups d. group distance

D. big group apart from the L. loop length

50. roll 51. central slide blocks

511. rotating shaft 512. is kept to the side

52. stator modules 521. fins

522. open crack 523. every line segment

524. separate slot 525.V type groove

60. axle bed 70. runners

Embodiment:

At first please refer to Fig. 2 a, show stator core 30 configurations that a kind of big footpath stator pack is used, wherein stator tooth 31 external forms of this stator core 30 are rectangular; If the partial stator tooth 31 on this stator core 30 is launched to be arranged in a linear shown in Fig. 2 b, and on the stator tooth 31 set coil groups 42 be provided with adjacent one another are, or the situation of space-number tooth, then to go out the distance of adjacent windings group 42 be that group is apart from d to definable, the coil distance of several stator tooths 31 is to organize greatly apart from D at interval, and coil groups 42 then is loop length L around the degree of depth on the stator tooth 31.Refer again to shown in Figure 3, the method for making of coil of the present invention, be to utilize a continuous enamelled wire 41 to be prepared into a continuous coil group 40, it has several coil groups 42, those coil groups 42 are according to the required coil quantity of stator core to be processed 30, be provided with either large or small gap each other, and should be big, closely spaced distance, the order and the loop length that form, with actual designed each group of this stator pack apart from d, organize greatly apart from D, order and loop length L are identical, the coil groups 42 of utilizing those in advance to make in view of the above, when assembling, can directly be inserted in the stator tooth 31, and then finish the making of coiling easily with stator tooth 31.

Please refer to shown in Figure 4, for finishing the coiling device that making utilized of the above-mentioned continuous coil group of coiling, this device comprises a roll 50, this roll 50 is installed on one group of axle bed 60, utilize a runner 70 to drive this roll 50 and rotate, and then make a continuous enamelled wire 41 be wound on this roll 50; Wherein this roll 50 is made up of a central slide block 51 and the stator modules 52 of being located at both sides, as shown in Figure 5, external form that wherein should central authorities' slide block 51 is the isosceles ladder type, the two ends of central authorities' slide block 51 are provided with rotating shaft 511, on this central authorities' slide block 51 with stator modules 52 adjacency keep to the side 512 with the relative configuration combination of stator modules 52 with V-type groove 525, after the combination, whole formed section generally with sheathed stator tooth section identical, to pray coiling continuous coil group thereon after taking off, can directly overlap and be fixed on the stator tooth future; In addition, be formed with several fins 521 and several on this stator modules 52 every line segment 523, wherein, those fins 521 have width, and this width equates apart from d with aforementioned coil groups group, in 521 of fins and made out crack 522, allow at least one enamelled wire process; Formed by several non-conterminous separate slot 524 every 523 on line segment, also can be made between two fins 521; 521 distances of being separated by of fin are loop length L, in this every line segment 523 around outer electrical path length then at least greater than organizing greatly apart from D, so that the enameled wire loop of coiling on it, can be via this in the spacing of fin 521 or every the keeping within bounds of line segment 523, be docile and obedient preface according to this and form group apart from d, loop length L and organize apart from D greatly.Rotating shaft 511 movable axis at these roll 50 two ends are located on the axle bed 60 of coiling device, roll 50 are taken off after conveniently finishing the coiling of continuous coil group; This continuous coil group of finishing coiling is done suitable processing with alcohol or solvent, can make those coil groups 42 form holistic continuous coil group 40, unlikely scattering; With reference to shown in Figure 6, after continuous coil group 40 is finished coiling, central slide block 51 is withdrawed from roll 50, just can liberate the restriction of stator modules 52 and take off the coil groups of finishing preparation, convenient follow-up assembling processing.

Refer again to Fig. 7, enforcement by the method for winding and the device of the invention described above, roll 50 set fins 521 come out large and small group of several coil groups 42 apart from d, D and loop length L standard, when therefore those coil groups 42 are put with respect to stator core 30, on the whole can regard to a stator tooth 31 respectively, producers only need directly coil groups 42 to be inserted in the making that stator tooth 31 can be finished stator coil in regular turn, even the producers that lack experience also can finish the making of sets of stator coils easily.Because the continuous coil group coiling of preparation is simple to operation in advance, and convenient directly being sheathed in the stator tooth, significantly simplify the winding technology difficulty of large diameter stator coil, also shorten the time of coiling simultaneously.

Claims

1. the method for making of a large diameter stator coil, be that a continuous enamelled wire is prepared into a continuous coil group with several coil groups, with this continuous coil prescription just cover organize stator tooth in stator core, it is characterized in that: the stator tooth external form of described stator core is rectangular, the spacing of those coil groups is group's distance of adjacent windings group, or at least greater than big group of distance of several stator tooths at interval, the degree of depth that this loop length is a coil groups on the stator tooth, and this group's distance, the distance of big group distance, the order and the loop length that form, each coil groups group distance actual designed with this stator coil, order and loop length are identical, utilize this continuous coil group of preparation in advance, when assembling, directly be inserted in the stator tooth, and then finish the coiling making of big footpath stator.

2. the coiling device of large diameter stator coil according to claim 1 comprises a roll, and this roll is installed on the axle bed, utilizes a runner to drive this roll and rotates, and then make a continuous enamelled wire be wound on this roll; It is characterized in that: described roll is made up of a central slide block and the stator modules of being located at both sides, and the external form of this central authorities' slide block is the isosceles ladder type, and the two ends of this central authorities' slide block are respectively equipped with rotating shaft; With the relative configuration combination with the set V-type groove of stator modules of keeping to the side of this stator modules adjacency, whole section is identical with the stator tooth section of mutual cover group on this central authorities' slide block.

3. the coiling device of large diameter stator coil as claimed in claim 2, it is characterized in that: further be formed with several fins on the described stator modules and several are every line segment, the width of those fins equals group's distance of adjacent windings group, the distance of being separated by between those fins is a loop length, or for being somebody's turn to do every line segment; Should then be formed every line segment by several non-conterminous separate slot, around this every the outer electrical path length of line segment then at least greater than big group of distance of several stator tooths at interval, so that be wound in enameled wire loop on this stator modules via this in the spacing of fin or every the keeping within bounds of line segment, form with each default coil groups group apart from, in proper order and the identical continuous coil group of loop length.

4. the coiling device of large diameter stator coil as claimed in claim 3 is characterized in that: made out the crack between described fin, allowed at least one enamelled wire process.

5. the coiling device of large diameter stator coil as claimed in claim 3, it is characterized in that: described continuous coil group further processes with alcohol or solvent, makes those coil groups form whole and unlikely scattering.