Copper wire end twisting forming device for flat wire motor stator winding

Abstract

The utility model discloses a copper wire end torsion head forming device for a flat wire motor stator winding, which relates to the technical field of stator winding forming and comprises a torsion head base, a swing mechanism, a torsion head die, a wire leaning disc, a lower contact pin, a press mounting frame, a lifting electric cylinder, a stator clamping jaw and an upper contact pin. According to the utility model, the copper wire head twisting operation of a stator winding without a straight line segment can be realized, and the problem that pairwise and relatively rotating copper wire paint skins are scratched and damaged in a one-time head twisting forming process is solved; the bare copper part is separated from the paint film of the other copper wire by the distance of the thickness of one paint film, so that the problem that the bare copper scratches the paint leather is avoided; according to actual application detection and comparison, compared with shape comparison after winding forming of other technologies, the distance between a wire leg at the welding spot position and the bottom layer copper wire paint leather can be increased, the lower layer paint leather can be prevented from being scalded by welding heat, paint leather damage caused by light leakage is reduced, and meanwhile the insulation quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stator winding molding, in particular to a copper wire end twist molding device for flat wire motor stator winding. Background Art

[0002] In the prior art, the copper wire end twisting forming device for the flat wire motor stator needs to undergo end shaping and expansion processes to ensure that the flat wire can be inserted into the twisting mold, and then the twisting mold is used to perform the twisting operation; however, for the twisting operation of the stator winding of the new X-pin motor stator, since the stator winding of the new X-pin motor stator has no straight line segment, when the existing twisting equipment is used to twist the copper wire, there are problems such as bare copper scratching the paint and causing the stator to be scrapped, the paired copper wires scraping the paint against each other during relative torsional motion and causing the stator to be scrapped, the wire feet at the soldering point are small and there is a problem of welding heat scalding the lower layer of paint, and the lower layer of paint being damaged due to light leakage during welding, causing the stator to be scrapped; in addition, if the copper wire is twisted manually, not only is the twisting efficiency low, but it is also difficult to ensure the twisting quality, so there is an urgent need for a fully automatic twisting equipment for the X-pin motor stator. Utility Model Content

[0003] The purpose of the utility model is to provide a copper wire end twisting forming device for flat wire motor stator winding, so as to solve the problems proposed in the above background technology that when the existing twisting equipment is used to twist the copper wire, the bare copper scratches the paint skin, causing the stator to be scrapped; the paired copper wires scrape the paint skin against each other during relative torsional motion, causing the stator to be scrapped; the wire feet at the welding point are small, which may cause the lower paint skin to be burned by welding heat; and the lower paint skin is damaged due to light leakage during welding, causing the stator to be scrapped; in addition, if the copper wire is twisted manually, not only is the twisting efficiency low, but it is also difficult to ensure the quality of the twisting.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a copper wire end twisting forming device for flat wire motor stator winding, comprising a horizontally arranged twisting base and a front rotating mechanism and a rear pressing frame arranged on its top surface; a twisting die is arranged at the top of the rotating mechanism, a wire support disk is arranged at the top of the twisting die, and a lower plug pin is arranged on the top surface of the wire support disk; a lifting electric cylinder is arranged at the top front end of the pressing frame, and a stator clamp and an upper plug pin are connected to the end of the shaft rod of the lifting electric cylinder; the rotating mechanism comprises a cylindrical rotating shell and multiple layers of coaxial rotating drive disks sequentially sleeved on the inner side thereof, and each layer of the rotating drive disk is connected to a rotating motor arranged on the outer side of the rotating shell. ; The top end of the rotating mechanism is clamped and connected with the twisting head mold, and the twisting head mold includes multiple layers of twisting head templates that are sleeved together and coaxial, and a wire-supporting disk is arranged at the center of the twisting head mold; the wire-supporting disk includes a wire-supporting disk guide rod, a lifting wire-supporting disk, and a reset spring; the lower plug pin includes a lower plug pin disk, a floating plug pin mounting seat, a plurality of floating plug pins, and a plug pin rotating disk; the press-fitting frame includes a C-shaped press-fitting frame welded with a steel structure, and a lifting electric cylinder is arranged at the front end of its top; the lifting electric cylinder is inverted and fixed on the top surface of the press-fitting frame, and its shaft rod passes through the press-fitting frame and is connected to a lifting and sliding press-fitting frame below it, and a stator clamp is arranged at the center of the bottom surface of the lifting and lowering press-fitting frame, and an upper plug pin is arranged on the outside.

[0005] Preferably, the twist head base includes a horizontal base plate with a plurality of base beams evenly welded and fixed on the bottom surface thereof, a plurality of base fixing plates extending outward are evenly welded and fixed on the bottom surfaces of the two outermost base beams, and a base bolt is provided passing through each base fixing plate.

[0006] Preferably, bearings are provided at the upper and lower parts between two adjacent layers of rotary drive disks; a plurality of rotary motors are arranged in a ring on the outer wall of the rotary shell, and each rotary motor is respectively connected to a rotary drive disk by meshing with a gear and a rack and drives it to rotate; a rotary shell top plate is provided at the top of the rotary shell and a large circular hole for accommodating the twisting head mold is provided at the center thereof, and a plurality of lifting slide rods are provided on the outer side of the large circular hole through a plurality of slide rod guide sleeves, and lower pins are provided through the plurality of lifting slide rods.

[0007] Preferably, the number of layers of the twist head template is the same as the number of layers of the rotary drive disk and corresponds one to one, each layer of the twist head template is clamped and connected to the corresponding rotary drive disk, and two adjacent layers of the twist head template are evenly distributed in annular shapes on the top of the side surfaces that are in contact with each other.

[0008] Preferably, the wire support disk includes a wire support disk guide rod arranged at the center of the twisting head mold, a lifting wire support disk that can be lifted and moved along the wire support disk guide rod is arranged on the wire support disk guide rod, and a return spring sleeved on the outside of the wire support disk guide rod is arranged at the bottom end of the lifting wire support disk.

[0009] Preferably, a large circular hole is provided at the center of the lower pin disk, and an annular floating pin mounting seat is provided above the large circular hole, a plurality of floating pins are evenly installed in a circular manner on the floating pin mounting seat, a pin rotating disk is commonly provided on the top surface of the plurality of floating pins, and the pin rotating disk is connected to a driving motor through gear meshing.

[0010] Preferably, the shaft of the lifting electric cylinder passes through the press-mounted frame and is connected to a lifting and sliding press-mounted frame below it, two sliding blocks are arranged on the rear side of the lifting and sliding press-mounted frame, the two sliding blocks are matched and mounted on two vertical guide rails, and the two vertical guide rails are mounted on the sides of the press-mounted frame; a stator clamp is arranged at the center of the bottom surface of the lifting and sliding press-mounted frame; an upper pin is arranged on the outside of the stator clamp on the bottom surface of the lifting and sliding press-mounted frame.

[0011] Preferably, the upper pin comprises an upper pin disk connected to the bottom surface of the lifting and lowering pressure rack through a plurality of support rods, a large circular hole is provided at the center of the upper pin disk and is sleeved on the outside of the stator clamp, and a plurality of vertical pins are evenly distributed in a ring on the bottom surface of the upper pin disk.

[0012] Preferably, the slot width of the copper wire slot is greater than the width of the flat copper wire used in the stator winding.

[0013] Preferably, the stator clamp is a tensioning clamp.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The application of the utility model can realize the copper wire twisting operation of the stator winding without straight sections, and solves the problem of scratching and damage of the paint of the copper wires caused by the paired relative rotational motion during a twisting forming process. During the forming process, the paint film parts of the two copper wires are first contacted, and the bare copper part is separated from the paint film of the other copper wire by a distance of the paint film thickness, so as to avoid the problem of bare copper scratching the paint. After actual application testing and comparison of the shape comparison of the winding after forming of the utility model with other processes, it can be found that the distance between the wire foot at the welding point position and the paint of the bottom copper wire can be increased, so as to avoid the welding heat from scalding the lower paint, reduce the damage to the paint caused by light leakage, and improve the insulation quality at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the axonometric drawing of the utility model;

[0017] Figure 2 for Figure 1 Structural diagram;

[0018] Figure 3 for Figure 2 A magnified view of middle;

[0019] Figure 4 for Figure 2 Main view;

[0020] Figure 5 for Figure 4 Enlarged view of middle B;

[0021] Figure 6 for Figure 4 Cross-sectional view of CC;

[0022] Figure 7 for Figure 6 Enlarged view of middle D;

[0023] Figure 8 This is a schematic diagram of the flat copper wire being inserted into the copper wire slot before the twist;

[0024] Fig. 9 This is a schematic diagram of completing the first stage of the head turning operation;

[0025] Fig.10 Schematic diagram of the head twisting die rotating in the opposite direction after completing the first stage of the head twisting operation to ensure that the torque of the rotary motor is 0Nm;

[0026] Fig.11 Complete the schematic diagram for turning the head;

[0027] Fig.12 This is a schematic diagram of the finished product after the stator winding is twisted;

[0028] In the figure: twist head base -1, base plate -11, base beam -12, base fixing plate -13, base bolt -14, slewing mechanism -2, slewing shell -21, slewing drive disk -22, slewing motor -23, slewing shell top plate -24, twist head mold -3, twist head template -31, copper wire slot -32, wire drum -4, wire drum guide rod -41, lifting wire drum -42, reset spring -43, lower pin -5, lower pin disk -51, floating pin mounting seat -52, floating pin -53, pin rotating disk -54, press-fitting frame -6, lifting electric cylinder -7, lifting press-fitting frame -71, stator clamp -8, upper pin -9, upper pin disk -91. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution in the embodiments of the present utility model is clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.

[0030] Please refer to Figure 1-12 , Figure 1 This is the axonometric drawing of the utility model; Figure 2 for Figure 1 Structural diagram; Figure 3 for Figure 2 A magnified view of middle; Figure 4 for Figure 2 Main view; Figure 5 for Figure 4 Enlarged view of middle B; Figure 6 for Figure 4 Cross-sectional view of CC; Figure 7 for Figure 6 Enlarged view of middle D; Figure 8 This is a schematic diagram of the flat copper wire being inserted into the copper wire slot before the twist; Fig. 9 This is a schematic diagram of completing the first stage of the head turning operation; Fig.10 Schematic diagram of the head twisting die rotating in the opposite direction after completing the first stage of the head twisting operation to ensure that the torque of the rotary motor is 0Nm; Fig.11 Complete the schematic diagram for turning the head; Fig.12 Schematic diagram of the finished product after the stator winding is twisted.

[0031] The utility model provides a copper wire end twisting forming device for stator winding of a flat wire motor, comprising a twisting base 1 whose bottom is horizontally arranged and used as a horizontal installation reference of the entire twisting forming device, a slewing mechanism 2 for providing a rotating force for the twisting of the stator winding on the front side and a press-fitting frame 6 for providing a pressing auxiliary for the stator winding on the rear side are arranged on the top surface of the twisting base 1; a twisting die 3 for twisting forming of the copper wire welding end of the stator winding is arranged at the top of the slewing mechanism 2, a wire support disk 4 for flushing the copper wire welding end of the stator winding is arranged at the top of the twisting die 3, and a lower plug pin 5 for fixing the copper wire welding end of the stator winding before twisting is arranged on the top surface of the wire support disk 4; a lifting electric cylinder 7 for providing a downward pressing force for the stator winding is arranged at the top front end of the press-fitting frame 6, and a stator clamp 8 for clamping the motor stator and an upper plug pin 9 for auxiliary fixing the motor stator and the stator winding are connected to the end of the shaft of the lifting electric cylinder 7.

[0032] The twist head base 1 includes a horizontally arranged base plate 11, on the bottom surface of the base plate 11 are arranged a plurality of base cross beams 12 that are evenly welded and fixed, on the bottom surfaces of the two outermost base cross beams 12 are evenly welded and fixed a plurality of base fixing plates 13 extending outward, and on each base fixing plate 13 a base bolt 14 is passed through, and the twist head base 1 is fixed to the corresponding mounting bracket by the plurality of base bolts 14.

[0033] The rotary mechanism 2 comprises a cylindrical rotary housing 21 arranged on the top surface of the twist head base 1, and multiple layers of coaxial rotary drive disks 22 are sequentially sleeved on the inner side of the rotary housing 21, and bearings are arranged at the upper and lower parts between two adjacent layers of rotary drive disks 22 to ensure that the two adjacent layers of rotary drive disks 22 are separated from each other and can rotate independently without affecting each other; a plurality of rotary motors 23 are arranged in an annular arrangement on the outer wall of the rotary housing 21, and each rotary motor 23 is respectively connected to a A rotary drive disk 22 is connected by meshing gears and racks and drives it to rotate; the top end of the rotary mechanism 2 is clamped and connected to the twisting head mold 3 and can drive the twisting head mold 3 to rotate; the top end of the rotary shell 21 is also provided with a rotary shell top plate 24, and a large circular hole is provided at the center of the rotary shell top plate 24 and the twisting head mold 3 is accommodated, and the rotary shell top plate 24 is provided with multiple lifting slide rods 25 on the outside of the large circular hole through multiple slide rod guide sleeves, and lower plug pins 5 are provided through the multiple lifting slide rods 25.

[0034] The twisting die 3 includes multiple layers of twisting templates 31 which are coaxially sleeved together, the number of layers of the twisting templates 31 is the same as the number of layers of the rotary drive disk 22 and corresponds one to one, each layer of the twisting template 31 is clamped and connected with the corresponding rotary drive disk 22, so that the corresponding twisting template 31 can be driven to rotate by the rotary drive disk 22; the two adjacent layers of the twisting templates 31 are evenly distributed with a plurality of concave copper wire slots 32 on the top of the side surfaces in contact with each other, and when the copper wire needs to be twisted, the flat copper wire can be directly inserted into the copper wire slot 32, and the twisting operation can be completed by rotating the twisting template 31; a wire support disk 4 is provided at the center of the twisting die 3.

[0035] The slot width of the copper wire slot 32 is greater than the width of the flat copper wire used in the stator winding, so that the copper wire will tilt at a certain angle during the twist forming process, but will not fall out of the twist die 3, thereby ensuring the twist quality.

[0036] The wire tray 4 includes a wire tray guide rod 41 arranged at the center of the twisting head mold 3, and a lifting wire tray 42 that can be lifted and moved along the wire tray guide rod 41 is arranged on the wire tray guide rod 41, and a return spring 43 that is sleeved on the outside of the wire tray guide rod 41 is arranged at the bottom end of the lifting wire tray 42.

[0037] The lower pin 5 includes a lower pin disk 51 arranged by multiple lifting slide bars 25, a large circular hole is arranged at the center of the lower pin disk 51, and an annular floating pin mounting seat 52 is arranged above the large circular hole, and multiple floating pins 53 are evenly installed on the floating pin mounting seat 52 in an annular manner, and a pin rotating disk 54 is commonly arranged on the top surfaces of the multiple floating pins 53, and the pin rotating disk 54 is connected to a driving motor through gear meshing, so that the driving motor can drive the pin rotating disk 54 to rotate and then drive the floating pin 53 to clamp and fix the copper wire welding end of the stator winding, which is convenient for the twisting operation.

[0038] The press-fitting frame 6 is a C-shaped press-fitting frame welded from steel structural parts, and a lifting electric cylinder 7 is arranged at the front end of the top thereof.

[0039] The cylinder body of the lifting electric cylinder 7 is inverted and fixed on the top surface of the press-mounted frame 6. The shaft of the lifting electric cylinder 7 passes through the press-mounted frame 6 and is connected to a lifting and sliding press-mounted frame 71 below it. The rear side of the lifting and sliding press-mounted frame 71 is connected by two sliding blocks and a vertical guide rail that matches and is installed on the side of the press-mounted frame 6 to assist the lifting and sliding of the lifting and sliding press-mounted frame 71. A stator clamp 8 is provided at the center of the bottom surface of the lifting and sliding press-mounted frame 71 for grasping and fixing the motor stator that needs to be twisted. An upper pin 9 is provided on the outside of the stator clamp 8 on the bottom surface of the lifting and lifting press-mounted frame 71.

[0040] The stator clamp 8 is a tensioning clamp, which is directly inserted into the inner side of the motor stator when in use, and tightens and fixes the motor stator in a tensioning manner.

[0041] The upper pin 9 includes an upper pin plate 91 connected to the bottom surface of the lifting and lowering pressure bracket 71 through multiple support rods. A large circular hole is set at the center of the upper pin plate 91 and is sleeved on the outside of the stator clamp 8. A plurality of vertical pins are evenly distributed in a ring on the bottom surface of the upper pin plate 91. When in use, the plurality of vertical pins are inserted between the copper wire of the stator winding and the stator core, thereby locking and fixing the stator winding and the stator core.

[0042] When in use, the motor stator that needs to be twisted is first positioned and transported to the top of the twisting mold through the transport device, and then the lifting cylinder begins to press down and inserts multiple vertical pins between the copper wire of the stator winding and the stator core, thereby locking and fixing the stator winding and the stator core, and at the same time, the stator clamp tightens and fixes the stator core; after the fixation is completed, the transport device is disengaged; as the lifting cylinder continues to press down, the copper wire welding end of the stator winding passes through the lower pin and contacts the wire drum, ensuring that the top of the copper wire welding end is flush; after the copper wire is flush, the wire drum moves down, and the copper wire is welded and inserted into the copper wire slot. After the copper wire is inserted in place, it is ready The first stage of twisting operation is performed; when performing the first stage of twisting operation, the lifting electric cylinder drives the motor stator to gradually move downward, and the twisting die synchronously rotates the twisting operation to twist the copper wire to the specified angle and height; after completing the first stage of twisting operation, the twisting die rotates in the opposite direction by a certain small angle to ensure that the torque of the rotating motor is 0 Nm to reduce the extrusion between the copper wire and the twisting die; after the lifting electric cylinder drives the motor stator to lift a certain distance, it is ready to start the second stage of twisting operation, and the lifting electric cylinder drives the motor stator to move downward a certain distance, and the twisting die synchronously rotates the twisting operation until the copper wire is twisted to the final angle and height, that is, the head is twisted to a qualified position to complete the twisting operation.

[0043] The application of the utility model can realize the copper wire twisting operation of the stator winding without straight sections, and solves the problem of scratching and damage of the paint of the copper wires caused by the paired relative rotational motion during a twisting forming process. During the forming process, the paint film parts of the two copper wires are first contacted, and the bare copper part is separated from the paint film of the other copper wire by a distance of the paint film thickness, so as to avoid the problem of bare copper scratching the paint. After actual application testing and comparison of the shape comparison of the winding after forming of the utility model with other processes, it can be found that the distance between the wire foot at the welding point position and the paint of the bottom copper wire can be increased, so as to avoid the welding heat from scalding the lower paint, reduce the damage to the paint caused by light leakage, and improve the insulation quality at the same time.

[0044] Although the embodiments of the utility model have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, it can be understood by ordinary technicians in this field that all other embodiments obtained by making various changes, modifications, substitutions and variations to these embodiments without departing from the principle and spirit of the utility model and without making creative work, all belong to the scope of protection of the utility model.

Claims

1. A copper wire end twisting and forming device for flat wire motor stator winding, characterized in that: The invention comprises a horizontally arranged twisting head base (1) and a front rotating mechanism (2) and a rear pressing frame (6) are arranged on the top surface of the rotating mechanism (2); a twisting head mold (3) is arranged at the top of the rotating mechanism (2), a wire support disk (4) is arranged at the top of the twisting head mold (3), and a lower plug pin (5) is arranged on the top surface of the wire support disk (4); a lifting electric cylinder (7) is arranged at the top front end of the pressing frame (6), and a stator clamp (8) and an upper plug pin (9) are connected to the end of the shaft of the lifting electric cylinder (7); the rotating mechanism (2) comprises a cylindrical rotating shell (21) and a plurality of coaxial rotating drive disks (22) sequentially sleeved on the inner side thereof, and each layer of the rotating drive disks (22) is connected to a rotating motor (23) arranged on the outer side of the rotating shell (21); the top of the rotating mechanism (2) is connected to the twisting head mold (3) by clamping, and the twisting head mold (3) is connected to the upper surface of the wire support disk (4); the upper end of the rotating mechanism (2) is connected to the upper surface of the twisting head mold (3) by clamping, and the lower surface of the wire support disk (4) is connected to the lower surface of ... The head mold (3) comprises a plurality of coaxial twisting mold plates (31) which are sleeved together in multiple layers. A wire support disk (4) is arranged at the center of the twisting mold (3). The wire support disk (4) comprises a wire support disk guide rod (41), a lifting wire support disk (42), and a return spring (43). The lower plug pin (5) comprises a lower plug pin disk (51), a floating plug pin mounting seat (52), a plurality of floating plug pins (53), and a plug pin rotating disk (54). The press-fitting frame (6) comprises a C-shaped press-fitting frame welded with a steel structure, and a lifting electric cylinder (7) is arranged at the front end of the top thereof. The lifting electric cylinder (7) is fixed inverted on the top surface of the press-fitting frame (6), and its shaft penetrates the press-fitting frame (6) and is connected to a lifting and sliding press-fitting frame (71) below it. A stator clamp (8) is arranged at the center of the bottom surface of the lifting and pressing frame (71), and an upper plug pin (9) is arranged on the outside.

2. The copper wire end twisting forming device for flat wire motor stator winding according to claim 1, characterized in that: The twist head base (1) comprises a horizontal base plate (11) and a plurality of base cross beams (12) are evenly welded and fixed on the bottom surface thereof, a plurality of base fixing plates (13) extending outward are evenly welded and fixed on the bottom surfaces of the two outermost base cross beams (12), and a base bolt (14) is provided penetrating each base fixing plate (13).

3. The copper wire end twisting forming device for flat wire motor stator winding according to claim 2, characterized in that: Bearings are arranged at the upper and lower parts between two adjacent layers of rotary drive disks (22); a plurality of rotary motors (23) are arranged in an annular manner on the outer wall of the rotary housing (21); each rotary motor (23) is respectively connected to a rotary drive disk (22) by means of a gear and a rack and drives the rotary drive disk to rotate; a rotary housing top plate (24) is arranged at the top of the rotary housing (21) and a large circular hole for accommodating the twisting head mold (3) is arranged at the center thereof; a plurality of lifting slide bars (25) are arranged on the outer side of the large circular hole through a plurality of slide bar guide sleeves, and lower plug pins (5) are arranged through the plurality of lifting slide bars (25).

4. The copper wire end twisting forming device for flat wire motor stator winding according to claim 3, characterized in that: The number of layers of the twisting template (31) is the same as the number of layers of the rotary drive disk (22) and corresponds one to one. Each layer of the twisting template (31) is clamped and connected to the corresponding rotary drive disk (22). Two adjacent layers of the twisting template (31) are evenly distributed with a plurality of concave copper wire slots (32) on the top ends of the mutually contacting side surfaces.

5. The copper wire end twisting forming device for flat wire motor stator winding according to claim 4, characterized in that: The wire support disk (4) comprises a wire support disk guide rod (41) arranged at the center of the twisting head mold (3), a lifting wire support disk (42) which can be lifted and moved along the wire support disk guide rod (41) is arranged on the wire support disk guide rod (41), and a return spring (43) which is sleeved on the outside of the wire support disk guide rod (41) is arranged at the bottom end of the lifting wire support disk (42).

6. The copper wire end twisting forming device for flat wire motor stator winding according to claim 5, characterized in that: A large circular hole is provided at the center of the lower pin disk (51), and an annular floating pin mounting seat (52) is provided above the large circular hole. A plurality of floating pins (53) are evenly distributed in an annular manner on the floating pin mounting seat (52), and a pin rotating disk (54) is provided on the top surface of the plurality of floating pins (53), and the pin rotating disk (54) is connected to a driving motor via gear meshing.

7. The copper wire end twisting forming device for flat wire motor stator winding according to claim 6, characterized in that: The shaft of the lifting electric cylinder (7) passes through the press frame (6) and is connected to a lifting and sliding lifting press frame (71) below it. Two sliders are arranged on the rear side of the lifting and sliding press frame (71). The two sliders are matched and mounted on two vertical guide rails. The two vertical guide rails are mounted on the sides of the press frame (6). A stator clamp (8) is arranged at the center of the bottom surface of the lifting and sliding press frame (71). An upper pin (9) is arranged on the outside of the stator clamp (8) on the bottom surface of the lifting and sliding press frame (71).

8. The copper wire end twisting forming device for stator winding of flat wire motor according to claim 7, characterized in that: The upper pin (9) comprises an upper pin plate (91) connected to the bottom surface of the lifting and lowering pressure mounting frame (71) via a plurality of supporting rods, a large circular hole is provided at the center of the upper pin plate (91) and is sleeved on the outside of the stator clamp (8), and a plurality of vertical pins are evenly distributed in a ring shape on the bottom surface of the upper pin plate (91).

9. The copper wire end twisting forming device for flat wire motor stator winding according to any one of claims 4 to 8, characterized in that: The slot width of the copper wire slot (32) is greater than the width of the flat copper wire used in the stator winding.

10. The copper wire end twisting forming device for stator winding of flat wire motor according to claim 9, characterized in that: The stator clamping jaws (8) are tensioning clamping jaws.

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