阅读说明：本技术 一种扁线电机线圈扭转成型机构 (Torsion forming mechanism for flat wire motor coil ) 是由 王晓东 赵波 成学虎 林俊岐 张兆卫 程军 王雷 刁玲玉 隋茵 牟楠 王希财 于 2020-12-12 设计创作，主要内容包括：本发明公开了一种扁线电机线圈扭转成型机构,成型机构包括工作台、前立板、保护装置、滚轮轴承、后立板、固定装置、扭转机构、传动机构、浮动芯机构；后立板中间设置有固定装置,固定装置的内、外间隔设有扭转机构,扭转机构为多层；扭转机构中心设有浮动芯机构,后立板的内、外两侧设有传动机构,传动机构包括固定座、轴承座前、轴承座后、轴承、空心轴、胀套、齿轮、减速机；扭转成型机构的工作方法通过多个步骤完成扁线电机线圈的扭转成型。本发明的扁线电机线圈扭转成型机构具有结构简单、调节方便,动作可靠,可根据扁线定子线圈回弹量的不同单独调整每层扭转角度,大大提高了扁线电机线圈扭转成型的稳定性和生产效率。(The invention discloses a flat wire motor coil torsion forming mechanism which comprises a workbench, a front vertical plate, a protection device, a roller bearing, a rear vertical plate, a fixing device, a torsion mechanism, a transmission mechanism and a floating core mechanism, wherein the workbench is arranged on the front vertical plate; a fixing device is arranged in the middle of the rear vertical plate, and torsion mechanisms are arranged at intervals inside and outside the fixing device and are multilayered; the center of the torsion mechanism is provided with a floating core mechanism, the inner side and the outer side of the rear vertical plate are provided with transmission mechanisms, and each transmission mechanism comprises a fixed seat, a bearing seat front part, a bearing seat rear part, a bearing, a hollow shaft, an expansion sleeve, a gear and a speed reducer; the working method of the torsion forming mechanism completes the torsion forming of the flat wire motor coil through a plurality of steps. The torsion forming mechanism for the flat wire motor coil has the advantages of simple structure, convenience in adjustment and reliability in action, and can be used for independently adjusting the torsion angle of each layer according to different rebound quantities of the flat wire stator coil, so that the torsion forming stability and the production efficiency of the flat wire motor coil are greatly improved.)

1. The utility model provides a flat wire motor coil twists reverse forming mechanism which characterized in that: the device comprises a workbench (1), a front vertical plate (2), a protection device (3), a roller bearing (52), a rear vertical plate (5), a fixing device, a twisting mechanism, a transmission mechanism and a floating core mechanism; the automatic lifting device is characterized in that a front vertical plate (2) is arranged on the workbench (1), a protection device (3) is arranged on the front side of the workbench (1), a roller bearing (52) is arranged on the periphery of an inner hole of the front vertical plate (2), a rear vertical plate (5) is arranged at the rear end of the workbench (1), a fixing device is arranged in the middle of the rear vertical plate (5), the fixing device comprises a fixing sleeve (13), a bearing (14) and a bearing cover (16), the fixing sleeve (13) is fixedly connected with the rear vertical plate (5), the bearings (14) are arranged at two ends of the fixing sleeve (13), and the bearing cover (16); a plurality of layers of torsion mechanisms are arranged at intervals inside and outside the fixing device, a floating core mechanism is arranged at the center of the torsion mechanism, transmission mechanisms are arranged at the positions, corresponding to the torsion mechanisms, of the inside and outside sides of the rear vertical plate (5), and each transmission mechanism is arranged around the corresponding torsion mechanism at intervals along the circumferential direction; the floating core mechanism comprises a spring cover (28), a spring (29), a guide post (30) and a positioning core (31), wherein the spring cover (28) is fixedly connected with a third inner sleeve (22), the guide post (30) is arranged in the inner cavity of a linear bearing (27) arranged in the inner cavity of the third inner sleeve (22) in a sliding mode, the right end of the guide post (30) is fixedly connected with the positioning core (31), and the spring (29) is arranged in a cavity formed between the spring cover (28) and the guide post (30) in a sliding mode.

2. The torsion forming mechanism of the flat wire motor coil according to claim 1, characterized in that: the torsion mechanisms are 8 layers and respectively comprise a torsion mechanism A, a torsion mechanism B, a torsion mechanism C, a torsion mechanism D, a torsion mechanism E, a torsion mechanism F, a torsion mechanism G and a torsion mechanism H, and a self-lubricating bearing support is arranged between every two adjacent layers of torsion mechanisms;

the torsion mechanism A comprises a first inner sleeve (15), a first torsion sleeve (17), a first gear ring (18) and a first self-lubricating bearing (19), the first inner sleeve (15) is in rolling connection with a bearing (14) arranged on the inner cavity of the fixed sleeve (13), the right end of the first inner sleeve (15) is fixedly connected with the first torsion sleeve (17), the left end of the first inner sleeve (15) is fixedly connected with the first gear ring (18), and the two ends of the inner cavity of the first inner sleeve (15) are provided with the first self-lubricating bearing (19);

the torsion mechanism B comprises a second inner sleeve (21), a second torsion sleeve (25), a second gear ring (23) and a second self-lubricating bearing (20), the second inner sleeve (21) is in rolling connection with the self-lubricating bearing (19) arranged in the inner cavity of the first inner sleeve (15), the right end of the second inner sleeve (21) is fixedly connected with the second torsion sleeve (25), the left end of the second inner sleeve (21) is fixedly connected with the second gear ring (23), and the two ends of the inner cavity of the second inner sleeve (21) are provided with the second self-lubricating bearing (20);

the torsion mechanism C comprises a third inner sleeve (22), a third torsion sleeve (26), a third gear ring (24) and a linear bearing (27), the third inner sleeve (22) is in rolling connection with a second self-lubricating bearing (20) arranged in the inner cavity of the second inner sleeve (21), the right end of the third inner sleeve (22) is fixedly connected with the third torsion sleeve (26), the left end of the third inner sleeve (22) is fixedly connected with the third gear ring (24), and the two ends of the inner cavity of the third inner sleeve (22) are provided with the linear bearings (27);

the torsion mechanism D comprises a first outer sleeve (33), a fourth torsion sleeve (35), a fourth gear ring (34) and a fourth self-lubricating bearing (32), the four self-lubricating bearings (32) are arranged at two ends of the inner cavity of the first outer sleeve (33), a fixed sleeve (13) is installed in the inner cavity of the fourth self-lubricating bearing (32), the right end of the first outer sleeve (33) is fixedly connected with the fourth torsion sleeve (35), and the left end of the first outer sleeve (33) is fixedly connected with the fourth gear ring (34);

the torsion mechanism E comprises a second outer sleeve (40), a fifth torsion sleeve (48), a fifth gear ring (44) and a fifth self-lubricating bearing (36), the fifth self-lubricating bearing (36) is arranged at two ends of the inner cavity of the second outer sleeve (40), the first outer sleeve (33) is installed in the inner cavity of the fifth self-lubricating bearing (36), the right end of the second outer sleeve (40) is fixedly connected with the fifth torsion sleeve (48), and the left end of the second outer sleeve (40) is fixedly connected with the fifth gear ring (44);

the torsion mechanism F comprises a third outer sleeve (41), a sixth torsion sleeve (49), a sixth gear ring (45) and a sixth self-lubricating bearing (37), wherein the six self-lubricating bearings (37) are arranged at two ends of the inner cavity of the third outer sleeve (41), a second outer sleeve (40) is arranged in the inner cavity of the sixth self-lubricating bearing (37), the right end of the third outer sleeve (41) is fixedly connected with the sixth torsion sleeve (49), and the left end of the third outer sleeve is fixedly connected with the sixth gear ring (45);

the torsion mechanism G comprises a fourth outer sleeve (42), a seventh torsion sleeve (50), a seventh gear ring (46) and a seventh self-lubricating bearing (38), wherein the seventh self-lubricating bearing (38) is arranged at two ends of an inner cavity of the fourth outer sleeve (42), a third outer sleeve (41) is arranged in the inner cavity of the seventh self-lubricating bearing (38), the right end of the fourth outer sleeve (42) is fixedly connected with the seventh torsion sleeve (50), and the left end of the fourth outer sleeve is fixedly connected with the seventh gear ring (46);

the torsion mechanism H comprises a fifth outer sleeve (43), an eighth torsion sleeve (51), an eighth gear ring (47) and an eighth self-lubricating bearing (39), the eight self-lubricating bearings (39) are arranged at two ends of an inner cavity of the fifth outer sleeve (43), a fourth outer sleeve (42) is installed in an inner cavity of the eighth self-lubricating bearing (39), the right end of the fifth outer sleeve (43) is fixedly connected with the eighth torsion sleeve (51), the left end of the fifth outer sleeve is fixedly connected with the eighth gear ring (47), and the fifth outer sleeve (43) is in rolling connection with a roller bearing (52) installed on the front vertical plate (2.

3. The torsion forming mechanism of the flat wire motor coil according to claim 1, characterized in that: the number of the transmission mechanisms is 8, each transmission mechanism comprises a fixed seat (6), a front bearing seat (7), a rear bearing seat (8), a bearing (9), a hollow shaft (10), an expansion sleeve (11), a gear (12) and a speed reducer (53), a plurality of grooves are uniformly distributed on the front side and the rear side of the rear vertical plate (5), the fixed seat (6) is arranged in each groove, the front bearing seat (7) and the rear bearing seat (8) are respectively arranged at the two ends of the fixed seat (6), the hollow shaft (10) is installed in a rolling mode through the bearing (9), the outer portion of the hollow shaft (10) is connected with the gear (12) through the expansion sleeve (11), and the hollow shaft (10; the position of the expansion sleeve (11) on each transmission mechanism on the hollow shaft (10) is adjustable, so that the position of the gear (12) arranged on the hollow shaft (10) through the expansion sleeve (11) is adjustable, the gear ring on each layer of the torsion mechanism is meshed with the gear on the corresponding position of the transmission mechanism, and the speed reducer (53) on the transmission mechanism drives the gear (12) to rotate, so that the gear ring and the torsion sleeve are driven to rotate.

4. The torsion forming mechanism of the flat wire motor coil according to claim 1, characterized in that: the number of coil layers inserted into the stator (4) on the protection device (3) is 8, which is the same as the number of the layers of the torsion mechanism and the number of the transmission mechanisms; the stator comprises a first torsion sleeve (17), a second torsion sleeve (25), a third torsion sleeve (26), a fourth torsion sleeve (35), a fifth torsion sleeve (48), a sixth torsion sleeve (49), a seventh torsion sleeve (50) and an eighth torsion sleeve (51), wherein a plurality of grooves are uniformly distributed in the inner cavity, and the number of the grooves corresponds to the number of the grooves of the stator (4).

The technical field is as follows:

the invention belongs to the technical field of electrical machinery, and particularly relates to a flat wire motor coil torsion forming mechanism.

Background art:

in the production and manufacturing process of the flat wire motor, the formed hairpin coils are required to be inserted into the grooves arranged along the circumferential direction of the stator, and then two adjacent layers of the coils at the inserted linear ends are twisted relatively by a certain angle to meet the requirement of the subsequent welding process flow of the motor; the stator is provided with even-numbered coils, the operation is generally carried out by using a simple tool at present, the coils are generally driven to twist by using two powers, one power drives the odd-numbered coils to twist in one direction, the other power drives the adjacent even-numbered coils to twist in the other direction, and the coils have resilience, so that the coils are not regularly arranged at the end part of the stator along the radial direction after twisting, the twisting effect is poor, the subsequent working procedures are influenced, and the efficiency is low.

The invention content is as follows:

in order to solve the defects of the technology, the invention provides a flat wire motor coil torsion forming mechanism.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a flat wire motor coil twists reverse forming mechanism which characterized in that: the device comprises a workbench, a front vertical plate, a protection device, a roller bearing, a rear vertical plate, a fixing device, a torsion mechanism, a transmission mechanism and a floating core mechanism; the workbench is provided with a front vertical plate, the front side of the workbench is provided with a protection device, the periphery of an inner hole of the front vertical plate is provided with a roller bearing, the rear end of the workbench is provided with a rear vertical plate, the middle of the rear vertical plate is provided with a fixing device, the fixing device comprises a fixing sleeve, a bearing and a bearing cover, the fixing sleeve is fixedly connected with the rear vertical plate, the two ends of the fixing sleeve are provided with the bearing, and the bearing cover is fixedly connected with; the inner side and the outer side of the fixing device are provided with a plurality of layers of torsion mechanisms at intervals, the center of each torsion mechanism is provided with a floating core mechanism, the inner side and the outer side of the rear vertical plate are provided with transmission mechanisms at positions corresponding to the torsion mechanisms, and each transmission mechanism is arranged around the corresponding torsion mechanism at intervals along the circumferential direction; the floating core mechanism comprises a spring cover, a spring, a guide pillar and a positioning core, wherein the spring cover is fixedly connected with the third inner sleeve, the guide pillar is arranged in the inner cavity of the linear bearing installed in the third inner sleeve in a sliding mode, the right end of the guide pillar is fixedly connected with the positioning core, and the spring is arranged in a cavity formed between the spring cover and the guide pillar in a sliding mode.

The torsion mechanisms are 8 layers and respectively comprise a torsion mechanism A, a torsion mechanism B, a torsion mechanism C, a torsion mechanism D, a torsion mechanism E, a torsion mechanism F, a torsion mechanism G and a torsion mechanism H, and a self-lubricating bearing support is arranged between every two adjacent layers of torsion mechanisms;

the torsion mechanism A comprises a first inner sleeve, a first torsion sleeve, a first gear ring and a first self-lubricating bearing, wherein the first inner sleeve is in rolling connection with the bearing arranged on the inner cavity of the fixed sleeve;

the torsion mechanism B comprises a second inner sleeve, a second torsion sleeve, a second gear ring and a second self-lubricating bearing, wherein the second inner sleeve is in rolling connection with the self-lubricating bearing arranged in the inner cavity of the first inner sleeve;

the torsion mechanism C comprises a third inner sleeve, a third torsion sleeve, a third gear ring and a linear bearing, the third inner sleeve is in rolling connection with a second self-lubricating bearing arranged in the inner cavity of the second inner sleeve, the right end of the third inner sleeve is fixedly connected with the third torsion sleeve, the left end of the third inner sleeve is fixedly connected with the third gear ring, and the two ends of the inner cavity of the third inner sleeve are provided with the linear bearings;

the torsion mechanism D comprises a first outer sleeve, a fourth torsion sleeve, a fourth gear ring and a fourth self-lubricating bearing, wherein the four self-lubricating bearings are arranged at two ends of an inner cavity of the first outer sleeve, a fixed sleeve is arranged in the inner cavity of the fourth self-lubricating bearing, the right end of the first outer sleeve is fixedly connected with the fourth torsion sleeve, and the left end of the first outer sleeve is fixedly connected with the fourth gear ring;

the torsion mechanism E comprises a second outer sleeve, a fifth torsion sleeve, a fifth gear ring and a fifth self-lubricating bearing, wherein the fifth self-lubricating bearing is arranged at two ends of an inner cavity of the second outer sleeve;

the torsion mechanism F comprises a third outer sleeve, a sixth torsion sleeve, a sixth gear ring and a sixth self-lubricating bearing, wherein the six self-lubricating bearings are arranged at two ends of an inner cavity of the third outer sleeve;

the torsion mechanism G comprises a fourth outer sleeve, a seventh torsion sleeve, a seventh gear ring and a seventh self-lubricating bearing, wherein the seventh self-lubricating bearing is arranged at two ends of an inner cavity of the fourth outer sleeve, a third outer sleeve is arranged in an inner cavity of the seventh self-lubricating bearing, the right end of the fourth outer sleeve is fixedly connected with the seventh torsion sleeve, and the left end of the fourth outer sleeve is fixedly connected with the seventh gear ring;

the torsion mechanism H comprises a fifth outer sleeve, a eighth torsion sleeve, a eighth gear ring and a eighth self-lubricating bearing, the eight self-lubricating bearings are arranged at two ends of an inner cavity of the fifth outer sleeve, a fourth outer sleeve is arranged in an inner cavity of the eighth self-lubricating bearing, the right end of the fifth outer sleeve is fixedly connected with the eighth torsion sleeve, the left end of the fifth outer sleeve is fixedly connected with the eighth gear ring, and the fifth outer sleeve is in rolling connection with a roller bearing arranged on the front vertical plate.

The number of the transmission mechanisms is 8, each transmission mechanism comprises a fixed seat, a bearing seat front part, a bearing seat rear part, a bearing, a hollow shaft, an expansion sleeve, a gear and a speed reducer, a plurality of grooves are uniformly distributed on the front side and the rear side of a rear vertical plate, a fixed seat is arranged in each groove, the hollow shaft is arranged at the two ends of the fixed seat respectively in front of the bearing seat and behind the bearing seat and is installed in a rolling mode through the bearing, the outer part of the hollow shaft is connected with the gear through the; the position of the expansion sleeve on each transmission mechanism on the hollow shaft is adjustable, so that the position of a gear arranged on the hollow shaft (10) through the expansion sleeve is adjustable, a gear ring on each layer of the torsion mechanism is meshed with the gear on the corresponding position of the transmission mechanism, and a speed reducer on the transmission mechanism drives the gear to rotate, so that the gear ring and the torsion sleeve are driven to rotate.

The number of coil layers inserted into the stator on the protection device is 8 as same as the number of the layers of the torsion mechanism and the number of the transmission mechanisms; the stator slot number-adjustable torsion device comprises a torsion sleeve I, a torsion sleeve II, a torsion sleeve III, a torsion sleeve IV, a torsion sleeve V, a torsion sleeve VI, a torsion sleeve VII and a torsion sleeve VIII, wherein a plurality of slots are uniformly distributed in the inner cavity, and the number of the slots corresponds to the number of the stator slots.

Has the advantages that: when the torsion forming mechanism for the flat wire motor coil is used, the straight-line-section coil at the end part of the stator is inserted into the torsion sleeve, the protective device has a protective effect on insulation paper in a stator slot, when the coil is twisted and formed, the floating core can be tightly attached to the inner diameter of the stator, so that the innermost coil is stably formed, and each layer of the torsion mechanism can independently adjust the torsion angle, therefore, the torsion forming mechanism has the advantages of simple structure, convenience in adjustment and reliability in action, each layer of the torsion angle can be independently adjusted according to different rebound amounts of the flat wire stator coil, and the stability and the production efficiency of the torsion forming of the flat wire motor coil are greatly improved.

Description of the drawings: the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of a flat wire motor coil torsion forming mechanism of the present invention,

figure 2 is a right side view of figure 1,

figure 3 is a left side view of figure 1,

figure 4 is a cross-sectional view a-a of figure 1,

fig. 5 is a partially enlarged view of fig. 2 at B.

In the figure: 1. a work table; 2. a front vertical plate; 3. a protection device; 4. a stator; 5. a rear vertical plate; 6. a fixed seat; 7. the bearing seat is in front; 8. behind the bearing seat; 9. a bearing; 10. a hollow shaft; 11. expanding the sleeve; 12. a gear; 13. fixing a sleeve; 14. a bearing; 15. a first inner sleeve; 16. a bearing cap; 17. twisting the sleeve I; 18. a first gear ring; 19. a first self-lubricating bearing; 20. a second self-lubricating bearing; 21. a second inner sleeve; 22. a third inner sleeve; 23. a gear ring II; 24. a gear ring III; 25. a second torsion sleeve; 26. a third torsion sleeve; 27. a linear bearing; 28. a spring cover; 29. a spring; 30. a guide post; 31. a positioning core; 32. a self-lubricating bearing IV; 33. a first outer sleeve; 34. a gear ring IV; 35. a fourth torsion sleeve; 36. a fifth self-lubricating bearing; 37. a sixth self-lubricating bearing; 38. a seventh self-lubricating bearing; 39. a self-lubricating bearing eight; 40. a second outer sleeve; 41. a third coat; 42. fourthly, coating a sleeve; 43. fifthly, coating; 44. a fifth gear ring; 45. a gear ring six; 46. a gear ring seven; 47. a gear ring eight; 48. a fifth twisting sleeve; 49. a sixth torsion sleeve; 50. a seventh twisting sleeve; 51. eighthly, twisting the sleeve; 52. a roller bearing; 53. and a speed reducer.

The specific implementation mode is as follows:

referring to fig. 1-5, a flat wire motor coil torsion forming mechanism includes a workbench 1, a front vertical plate 2, a protection device 3, a roller bearing 52, a rear vertical plate 5, a fixing device, a torsion mechanism, a transmission mechanism, and a floating core mechanism; the automatic transmission device is characterized in that a front vertical plate 2 is arranged on a workbench 1, a protection device 3 is arranged on the front side of the workbench 1, roller bearings 52 are arranged on the periphery of an inner hole of the front vertical plate 2, a rear vertical plate 5 is arranged at the rear end of the workbench 1, a fixing device is arranged in the middle of the rear vertical plate 5, torsion mechanisms are arranged at the inner side and the outer side of the fixing device at intervals and are 8 layers, a floating core mechanism is arranged at the center of each torsion mechanism, 8 transmission mechanisms are correspondingly arranged on the inner side and the outer side of the rear vertical plate 5 and the torsion mechanisms, and each transmission mechanism is arranged around.

The fixing device comprises a fixing sleeve 13, bearings 14 and bearing covers 16, the fixing sleeve 13 is fixedly connected with the rear vertical plate 5, the bearings 14 are arranged at two ends of the fixing sleeve 13, and the bearing covers 16 are fixedly connected with the fixing sleeve 13.

The torsion mechanisms are 8 layers, namely a torsion mechanism A, a torsion mechanism B, a torsion mechanism C, a torsion mechanism D, a torsion mechanism E, a torsion mechanism F, a torsion mechanism G and a torsion mechanism H, and a self-lubricating bearing support is arranged between each layer of torsion mechanisms and the other layer of torsion mechanisms at intervals and can rotate independently;

the torsion mechanism A comprises a first inner sleeve 15, a first torsion sleeve 17, a first gear ring 18 and a first self-lubricating bearing 19, wherein the first inner sleeve 15 is in rolling connection with a bearing 14 arranged on the inner cavity of the fixed sleeve 13, the right end of the first inner sleeve 15 is fixedly connected with the first torsion sleeve 17, the left end of the first inner sleeve is fixedly connected with the first gear ring 18, and the two ends of the inner cavity of the first inner sleeve 15 are provided with the first self-lubricating bearing 19;

the torsion mechanism B comprises a second inner sleeve 21, a second torsion sleeve 25, a second gear ring 23 and a second self-lubricating bearing 20, the second inner sleeve 21 is in rolling connection with the first self-lubricating bearing 19 arranged in the inner cavity of the first inner sleeve 15, the right end of the second inner sleeve 21 is fixedly connected with the second torsion sleeve 25, the left end of the second inner sleeve 21 is fixedly connected with the second gear ring 23, and the two ends of the inner cavity of the second inner sleeve 21 are provided with the second self-lubricating bearing 20;

the torsion mechanism C comprises a third inner sleeve 22, a third torsion sleeve 26, a third gear ring 24 and a linear bearing 27, wherein the third inner sleeve 22 is in rolling connection with a second self-lubricating bearing 20 arranged in the inner cavity of the second inner sleeve 21, the right end of the third inner sleeve 22 is fixedly connected with the third torsion sleeve 26, the left end of the third inner sleeve 22 is fixedly connected with the third gear ring 24, and the two ends of the inner cavity of the third inner sleeve 22 are provided with the linear bearings 27;

the torsion mechanism D comprises a first outer sleeve 33, a fourth torsion sleeve 35, a fourth gear ring 34 and a fourth self-lubricating bearing 32, wherein the four self-lubricating bearings 32 are arranged at two ends of the inner cavity of the first outer sleeve 33, the fixed sleeve 13 is arranged in the inner cavity of the fourth self-lubricating bearing 32, the right end of the first outer sleeve 33 is fixedly connected with the fourth torsion sleeve 35, and the left end of the first outer sleeve 33 is fixedly connected with the fourth gear ring 34;

the torsion mechanism E comprises a second outer sleeve 40, a fifth torsion sleeve 48, a fifth gear ring 44 and a fifth self-lubricating bearing 36, wherein the fifth self-lubricating bearing 36 is arranged at two ends of an inner cavity of the second outer sleeve 40, the first outer sleeve 33 is installed in the inner cavity of the fifth self-lubricating bearing 36, the right end of the second outer sleeve 40 is fixedly connected with the fifth torsion sleeve 48, and the left end of the second outer sleeve 40 is fixedly connected with the fifth gear ring 44;

the torsion mechanism F comprises a third outer sleeve 41, a sixth torsion sleeve 49, a sixth gear ring 45 and a sixth self-lubricating bearing 37, wherein the six self-lubricating bearings 37 are arranged at two ends of the inner cavity of the third outer sleeve 41, a second outer sleeve 40 is arranged in the inner cavity of the sixth self-lubricating bearing 37, the right end of the third outer sleeve 41 is fixedly connected with the sixth torsion sleeve 49, and the left end of the third outer sleeve 41 is fixedly connected with the sixth gear ring 45;

the torsion mechanism G comprises a fourth outer sleeve 42, a seventh torsion sleeve 50, a seventh gear ring 46 and a seventh self-lubricating bearing 38, wherein the seventh self-lubricating bearing 38 is arranged at two ends of the inner cavity of the fourth outer sleeve 42, a third outer sleeve 41 is arranged in the inner cavity of the seventh self-lubricating bearing 38, the right end of the fourth outer sleeve 42 is fixedly connected with the seventh torsion sleeve 50, and the left end of the fourth outer sleeve 42 is fixedly connected with the seventh gear ring 46;

the torsion mechanism H comprises a five outer sleeve 43, a eight torsion sleeve 51, an eight gear ring 47 and an eight self-lubricating bearing 39, wherein the eight self-lubricating bearing 39 is arranged at two ends of an inner cavity of the five outer sleeve 43, a four outer sleeve 42 is installed in the inner cavity of the eight self-lubricating bearing 39, the right end of the five outer sleeve 43 is fixedly connected with the eight torsion sleeve 51, the left end of the five outer sleeve 43 is fixedly connected with the eight gear ring 47, and the five outer sleeve 43 is in rolling connection with a roller bearing 52 installed on.

The center of the torsion mechanism is provided with a floating core mechanism which comprises a spring cover 28, a spring 29, a guide post 30 and a positioning core 31, the spring cover 28 is fixedly connected with the inner sleeve III 22, the guide post 30 is arranged in a sliding manner in an inner cavity of a linear bearing 27 arranged in the inner cavity of the inner sleeve III 22, the right end of the guide post 30 is fixedly connected with the positioning core 31, and the spring 29 is arranged in a sliding manner in a cavity formed between the spring cover 28 and the guide post 30.

Drive mechanism includes fixing base 6, bearing frame 7 before, behind the bearing frame 8, bearing 9, hollow shaft 10, the cover 11 that expands, gear 12, speed reducer 53, a plurality of grooves of back riser 5 preceding, back both sides evenly distributed, every inslot is equipped with fixing base 6, 6 both ends of fixing base are equipped with bearing frame 7 before, 8 behind the bearing frame respectively, through bearing 9 rolling installation hollow shaft 10, the hollow shaft 10 excircle is connected with gear 12 through the cover 11 that expands, the hollow shaft 10 hole is connected with speed reducer 53.

The number of the transmission mechanisms is 8, the position of the expansion sleeve 11 on each transmission mechanism on the hollow shaft 10 is adjustable, so that the position of the gear 12 arranged on the hollow shaft 10 through the expansion sleeve 11 is adjustable, the gear ring on each layer of the torsion mechanism is meshed with the gear on the corresponding position of the transmission mechanism, and the speed reducer 53 on the transmission mechanism drives the gear 12 to rotate, so that the gear ring and the torsion sleeve are driven to rotate.

Coils inserted into the stator 4 on the protection device 3 are divided into 8 even layers, the number of the coil layers is the same as that of the twisting mechanism and the transmission mechanism, and a plurality of grooves are uniformly distributed in the inner cavities of the first twisting sleeve 17, the second twisting sleeve 25, the third twisting sleeve 26, the fourth twisting sleeve 35, the fifth twisting sleeve 48, the sixth twisting sleeve 49, the seventh twisting sleeve 50 and the eighth twisting sleeve 51, and the number of the grooves corresponds to that of the stator 4.

The working principle is as follows: the flat wire motor stator 4 to be formed is placed into the protection device 3, the positioning core 31 of the floating core mechanism is enabled to lean against the inner diameter of the flat wire motor stator, the end part of a hairpin coil in a groove of the flat wire motor stator 4 is inserted into a groove of a torsion sleeve, a speed reducer 53 on each transmission mechanism drives a gear 12 to rotate, so that a gear ring on a corresponding torsion mechanism is driven to rotate, and each torsion sleeve is driven to rotate.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, such as the number of layers of the torsion mechanism and the transmission mechanism, and those skilled in the art can make changes, modifications, additions or substitutions within the technical scope of the present invention.