Hairpin winding forming device for electric vehicle driving motor

Abstract

The application relates to the technical field of electric automobile driving motors, and discloses a Hairpin winding forming device for an electric automobile driving motor, which comprises a winding top table, the winding top table comprises a winding workbench, and support bases are fixedly connected to the front side and the back side of the bottom of the winding workbench. The Hairpin winding forming device for the electric automobile driving motor is characterized in that: the transmission servo motor drives the adjusting lead screw to rotate, the rotating of the adjusting lead screw drives the adjusting lead screw nut to move, the moving of the adjusting lead screw nut drives the connecting column to move, the connecting column slides in the limiting sliding groove, the moving of the connecting column drives the pay-off support to move, the moving of the pay-off support drives the supporting stop column to move, the moving of the supporting stop column drives the front pay-off stop disc, the pay-off rotating wheel and the rear pay-off stop disc to move, so that the tensioning degree is improved, and the problem that the copper wire and the mold lack the tensioning degree in the existing driving motor winding forming device is solved.

Description

Technical Field

[0001] This invention relates to the field of electric vehicle drive motor technology, specifically to a hairpin winding forming device for electric vehicle drive motors. Background Technology

[0002] Electric vehicles (BEVs) are vehicles that use onboard power sources to drive their wheels with electric motors and meet all road traffic and safety regulations. Types of electric vehicles include: pure electric vehicles (BEVs), hybrid electric vehicles (HEVs), and fuel cell electric vehicles (FCEVs). The drive motor is a crucial component of an electric vehicle. The motor drive system mainly consists of an electric motor, a power converter, a controller, various sensors, and a power supply.

[0003] The stator winding of a drive motor refers to the winding installed on the stator, that is, the copper wire wound on the stator. The winding is a general term for a phase or the entire electromagnetic circuit composed of multiple coils or coil groups. During use, it will face various situations, not limited to the one mentioned below. More specifically, during use, the copper wire in the drive motor winding forming device lacks tension between the copper wire and the mold. This makes it easy for gaps to appear in the copper wire during winding. The copper wire will loosen after being wound tightly, which can easily affect the efficiency of electrical energy to magnetic energy conversion. The loosening phenomenon in the winding forming device is mostly due to the insufficient tightness between the copper wire and the mold. This makes it easy for the winding to lift up or not fit properly in the mold.

[0004] To address the aforementioned issues, we propose an improvement: a hairpin winding forming device for electric vehicle drive motors. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a hairpin winding forming device for an electric vehicle drive motor, including a winding top platform, the winding top platform including a winding worktable, a support base fixedly connected to the front and back sides of the bottom of the winding worktable, a wire feeding mechanism fixedly connected to the top of the connecting column, the wire feeding mechanism including a wire feeding bracket, and a transmission mechanism fixedly connected to the front side of the top of the winding worktable.

[0006] The transmission mechanism includes a fixed bracket and a fixed stop. A winding mechanism is installed on the back side of the fixed stop. A drive motor is fixedly connected to the front side of the fixed bracket. A drive gear is fixedly connected to the output end of the drive motor. A driven gear is meshed with the top of the drive gear. A support rod is fixedly connected to the inner cavity of the driven gear.

[0007] An adjustment mechanism is installed on the left side of the winding worktable. The adjustment mechanism includes a fixed side plate and a connecting column. A drive servo motor is fixedly connected to the left side of the fixed side plate. An adjustment screw is fixedly connected to the output end of the drive servo motor. An adjustment screw nut is threaded to the left side of the surface of the adjustment screw. The top of the adjustment screw nut is fixedly connected to the bottom of the connecting column.

[0008] The winding mechanism includes an adjusting plate, the front side of which is fixedly connected to the back side of a connecting fixing sleeve. Connecting screws are movably connected to both sides of the inner cavity of the adjusting plate. A winding mold is sleeved on the back side of the surface of the connecting screw. A winding stop bar is fixedly connected to the surface of the winding mold. A blocking nut is threadedly connected to the back side of the surface of the connecting screw. The front side of the blocking nut is in close contact with the back side of the winding mold.

[0009] Preferably, a limiting anti-detachment plate is fixedly connected to the back side of the adjusting screw, the cross-sectional area of ​​the left side of the limiting anti-detachment plate is larger than the cross-sectional area of ​​the right side of the adjusting screw, and a limiting groove is formed on the left side of the inner cavity of the winding workbench, the interior of the limiting groove is movably connected to the surface of the connecting column.

[0010] Here, the movement position of the adjusting screw nut is limited by the setting of the limiting anti-detachment plate to prevent the adjusting screw nut from detaching from the surface of the adjusting screw. The movement position of the connecting column is limited by the setting of the limiting slide groove to prevent displacement of the connecting column when it moves.

[0011] Preferably, a support column is fixedly connected to the top of the back side of the wire feeding bracket, a front wire feeding baffle is fixedly connected to the front side of the surface of the support column, a wire feeding wheel is movably connected to the surface of the support column, a rear wire feeding baffle is movably connected to the back side of the surface of the support column, the rear wire feeding baffle is located on the back side of the wire feeding wheel, and the front wire feeding baffle is located on the front side of the wire feeding wheel.

[0012] Preferably, a positioning slot is provided on the back side of the inner cavity of the support column, a positioning rod is inserted into the inner cavity of the positioning slot, a fixing baffle is fixedly connected to the back side of the positioning rod, and the front side of the fixing baffle contacts the back side of the support column.

[0013] Here, the positioning slot allows the positioning rod to smoothly engage inside the support column, thus facilitating the fixing of the baffle plate.

[0014] Preferably, a cleaning mechanism is fixedly connected to the right side of the front feed plate. The cleaning mechanism includes a support bracket, a connecting shaft is fixedly connected to the top of the inner cavity of the support bracket, a support guide wheel is movably connected to the surface of the connecting shaft, a connecting support is fixedly connected to the top of the front feed plate, a fixing horizontal plate is fixedly connected to the right side of the connecting support, a return spring is fixedly connected to the right side of the fixing horizontal plate, and a connecting vertical plate is fixedly connected to the right side of the return spring.

[0015] Preferably, a cleaning sponge pad is fixedly connected to the bottom of the connecting vertical plate, the inner cavity of the cleaning sponge pad has a circular groove, and the cleaning sponge pad is located on top of the supporting guide wheel.

[0016] Preferably, limiting transverse grooves are provided on both sides of the inner cavity of the adjusting plate. The diameter of the limiting transverse grooves is larger than the diameter of the connecting screw, and the surface of the connecting screw is movably connected to the inside of the limiting transverse grooves.

[0017] Here, the limiting transverse groove allows the connecting screw to slide smoothly inside the adjusting plate, thereby smoothly adjusting the position of the winding mold. At the same time, the blocking nut fixes the position of the winding mold.

[0018] Preferably, a limiting stop is threadedly connected to the front side of the connecting screw surface, and rotating rods are fixedly connected to both sides of the limiting stop. The back side of the limiting stop is in close contact with the front side of the adjusting plate.

[0019] Here, by setting a limit baffle, the position of the connecting screw after adjustment can be fixed, and then the distance between the two connecting screws can be adjusted.

[0020] Preferably, the surface of the connecting fixing sleeve is movably connected to the interior of the fixing bracket, the back side of the supporting light rod is fixedly connected to the connecting fixing sleeve, and the back side of the connecting fixing sleeve is fixedly connected to the front side of the adjusting plate.

[0021] By using a connecting fixing sleeve, the stability of the connection between the support rod and the adjustment plate can be improved, preventing the support rod and the adjustment plate from breaking when the connecting fixing sleeve drives the adjustment plate to rotate.

[0022] Preferably, both the winding mold and the winding baffle are semi-circular in shape, and there are multiple winding baffles that are evenly distributed on the surface of the winding mold.

[0023] Here, by setting the stop bar, a winding groove can be formed between the two, so that the copper wire can be smoothly wound on the surface of the winding mold.

[0024] Compared with the prior art, the present invention provides a hairpin winding forming device for electric vehicle drive motors, which has the following advantages:

[0025] 1. This electric vehicle drive motor uses a hairpin winding forming device. A servo motor drives an adjusting screw to rotate, which in turn moves the adjusting screw nut. This movement of the adjusting screw nut then moves the connecting column, which slides within a limiting groove. Simultaneously, the movement of the connecting column moves the wire feeding bracket, which in turn moves the support stop. This movement of the support stop then moves the front wire feeding plate, the wire feeding wheel, and the rear wire feeding plate. This improves the tension and solves the problem in existing drive motor winding forming devices where the copper wire lacks tension between the wire and the mold, leading to gaps in the copper wire during winding and subsequent loosening after tight winding, which can affect the efficiency of converting electrical energy into magnetic energy.

[0026] 2. The electric vehicle drive motor uses a hairpin winding forming device. Copper wire passes through a circular slot and rests on the surface of the support guide wheel. The cleaning sponge pad can clean impurities on the surface of the copper wire. When the cleaning sponge pad is under force, it can push the connecting vertical plate to move. The movement of the connecting vertical plate can compress the return spring and cause it to deform. The further restoration of the return spring can push the cleaning sponge pad to make a tight movable connection with the support guide wheel. Attached Figure Description

[0027] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0028] Figure 1 This is a schematic diagram of the structure of the present invention;

[0029] Figure 2 This is a schematic diagram showing the connection between the fixed bracket and the fixed stop structure of the present invention;

[0030] Figure 3 For the present invention Figure 2 A magnified view of a portion of point A in the middle;

[0031] Figure 4 This is a schematic diagram of the connection of the adjusting plate structure in the winding mechanism of the present invention;

[0032] Figure 5 This is a schematic diagram showing the connection between the support frame and the connecting support structure in the cleaning mechanism of the present invention;

[0033] Figure 6 For the present invention Figure 5 A magnified view of a portion of point B in the middle;

[0034] Figure 7This is a schematic diagram showing the connection between the fixed side plate and the wire feeding bracket structure of the present invention;

[0035] Figure 8 This is a top view of the connection of the front feed plate, feed wheel and rear feed plate structure of the present invention.

[0036] The components include: 1. Winding top platform; 101. Winding worktable; 102. Support base; 103. Limiting groove; 2. Transmission mechanism; 201. Fixed bracket; 202. Drive motor; 203. Driven gear; 204. Drive gear; 205. Fixed stop; 206. Support rod; 207. Connecting fixed sleeve; 3. Adjustment mechanism; 301. Fixed side plate; 302. Transmission servo motor; 303. Adjusting screw nut; 304. Adjusting screw; 305. Limiting anti-derailment plate; 306. Connecting column; 4. Wire feeding mechanism; 401. Wire feeding bracket; 402. Front wire feeding baffle; 403. Supporting baffle; 4 04. Positioning slot; 405. Fixing baffle; 406. Positioning rod; 407. Wire feeding wheel; 408. Rear wire feeding baffle; 5. Cleaning mechanism; 501. Support bracket; 502. Connecting shaft; 503. Connecting support; 504. Fixing horizontal plate; 505. Return spring; 506. Supporting guide wheel; 507. Cleaning sponge pad; 508. Connecting vertical plate; 509. Circular slot; 6. Winding mechanism; 601. Adjusting plate; 602. Winding mold; 603. Winding stop bar; 604. Limiting baffle; 605. Rotating rod; 606. Connecting screw; 607. Limiting horizontal groove; 608. Blocking nut. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example 1

[0039] Please see Figure 1 and 2 This is the first embodiment of the present invention. This embodiment provides a hairpin winding forming device for an electric vehicle drive motor, including a winding top platform 1, the winding top platform 1 including a winding worktable 101, a support base 102 fixedly connected to the front and back sides of the bottom of the winding worktable 101, a wire feeding mechanism 4 fixedly connected to the top of the connecting column 306, the wire feeding mechanism 4 including a wire feeding bracket 401, and a transmission mechanism 2 fixedly connected to the front side of the top of the winding worktable 101.

[0040] The transmission mechanism 2 includes a fixed bracket 201 and a fixed stop 205. A winding mechanism 6 is installed on the back side of the fixed stop 205. A drive motor 202 is fixedly connected to the front side of the fixed bracket 201. A drive gear 204 is fixedly connected to the output end of the drive motor 202. A driven gear 203 is meshed with the top of the drive gear 204. A support rod 206 is fixedly connected to the inner cavity of the driven gear 203. Through the setting of the transmission mechanism 2, the winding can proceed smoothly, thereby ensuring the stability of the winding.

[0041] Specifically, the surface of the connecting fixing sleeve 207 is movably connected to the interior of the fixing bracket 205, the back side of the supporting rod 206 is fixedly connected to the connecting fixing sleeve 207, and the back side of the connecting fixing sleeve 207 is fixedly connected to the front side of the adjusting plate 601.

[0042] The specific implementation of this embodiment is as follows: The drive motor 202 drives the drive gear 204 to rotate, and the output end of the drive motor 202 is movably connected to the inside of the fixed bracket 201. The rotation of the drive gear 204 drives the driven gear 203 to rotate, and the rotation of the driven gear 203 drives the support rod 206 to rotate. The support rod 206 rotates inside the fixed stop 205. The rotation of the support rod 206 drives the connecting fixed sleeve 207 to rotate, and the rotation of the connecting fixed sleeve 207 drives the adjusting plate 601 to rotate. The rotation of the adjusting plate 601 achieves the winding effect. At the same time, the setting of the connecting fixed sleeve 207 can improve the stability of the connection between the support rod 206 and the adjusting plate 601, and avoid the phenomenon of breakage between the support rod 206 and the adjusting plate 601 when the connecting fixed sleeve 207 drives the adjusting plate 601 to rotate.

[0043] Example 2

[0044] Please see Figure 1 and 7 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0045] An adjustment mechanism 3 is installed on the left side of the winding worktable 101. The adjustment mechanism 3 includes a fixed side plate 301 and a connecting column 306. A drive servo motor 302 is fixedly connected to the left side of the fixed side plate 301. An adjustment screw 304 is fixedly connected to the output end of the drive servo motor 302. An adjustment screw nut 303 is threadedly connected to the left side of the surface of the adjustment screw 304. The top of the adjustment screw nut 303 is fixedly connected to the bottom of the connecting column 306. By setting the adjustment structure 3, the position of the wire feeding bracket 401 can be adjusted, thereby adjusting the tightness between the copper wire and the mold, preventing the copper wire from becoming loose during winding.

[0046] Specifically, a limit anti-detachment plate 305 is fixedly connected to the back side of the adjusting screw 304. The cross-sectional area of ​​the left side of the limit anti-detachment plate 305 is larger than the cross-sectional area of ​​the right side of the adjusting screw 304. A limit slide groove 103 is opened on the left side of the inner cavity of the winding worktable 101. The interior of the limit slide groove 103 is movably connected to the surface of the connecting column 306.

[0047] The specific implementation of this embodiment is as follows: The position of the drive servo motor 302 is supported by the fixed side plate 301, thereby enabling the drive servo motor 302 to work normally. At the same time, the forward rotation of the drive servo motor 302 drives the adjusting screw 304 to rotate. With the adjusting screw 304 and the adjusting screw nut 303 threadedly connected, the adjusting screw nut 303 moves to the left. The movement of the adjusting screw nut 303 drives the connecting column 306 to move. The connecting column 306 slides inside the limiting slide groove 103. The movement of the connecting column 306 drives the wire feeding bracket 401. The movement of the wire feeding bracket 401 drives the front wire feeding baffle 402 to move, thereby increasing the tension of the copper wire. Conversely, the transmission servo motor 302 drives the adjusting screw 304 to rotate in the opposite direction, adjusting the position of the wire feeding bracket 401 in sequence. At the same time, the setting of the limit anti-derailment plate 305 limits the movement position of the adjusting screw nut 303 to prevent the adjusting screw nut 303 from detaching from the surface of the adjusting screw 304. The setting of the limit slide groove 103 limits the movement position of the connecting column 306 to prevent displacement of the connecting column 306 during movement.

[0048] Example 3

[0049] Please see Figure 1 , 7 The third embodiment of the present invention is based on the previous embodiment.

[0050] A support post 403 is fixedly connected to the top of the back side of the wire feeding bracket 401. A front wire feeding baffle 402 is fixedly connected to the front side of the surface of the support post 403. A wire feeding wheel 407 is movably connected to the surface of the support post 403. A rear wire feeding baffle 408 is movably connected to the back side of the surface of the support post 403. The rear wire feeding baffle 408 is located on the back side of the wire feeding wheel 407, and the front wire feeding baffle 402 is located on the front side of the wire feeding wheel 407.

[0051] Specifically, a positioning slot 404 is provided on the back side of the inner cavity of the support column 403. A positioning rod 406 is inserted into the inner cavity of the positioning slot 404. A fixing baffle 405 is fixedly connected to the back side of the positioning rod 406. The front side of the fixing baffle 405 contacts the back side of the support column 403. Through the setting of the positioning slot 404, the positioning rod 406 can be smoothly inserted into the interior of the support column 403, thereby facilitating the fixing of the position of the fixing baffle 405.

[0052] The specific implementation method of this embodiment is as follows: the wire feeding roller 407 is sleeved on the surface of the support column 403, and the rear wire feeding plate 408 is sleeved on the surface of the support column 403. Then, the positioning rod 406 is driven into the positioning slot 404 by the fixed baffle 405, so that the fixed baffle 405 can be installed on the back side of the support column 403.

[0053] Example 4

[0054] Please see Figure 1 , 5 The fourth embodiment of the present invention is based on the previous embodiment.

[0055] A cleaning mechanism 5 is fixedly connected to the right side of the front wire feeding baffle 402. The cleaning mechanism 5 includes a support baffle 501. A connecting shaft 502 is fixedly connected to the top of the inner cavity of the support baffle 501. A support guide wheel 506 is movably connected to the surface of the connecting shaft 502. A connecting support 503 is fixedly connected to the top of the front wire feeding baffle 402. A fixed horizontal plate 504 is fixedly connected to the right side of the connecting support 503. A return spring 505 is fixedly connected to the right side of the fixed horizontal plate 504. A connecting vertical plate 508 is fixedly connected to the right side of the return spring 505. Through the setting of the cleaning mechanism 5, impurities on the surface of the copper wire can be removed, thereby ensuring the cleanliness of the copper wire surface and preventing the copper wire surface from being contaminated.

[0056] Specifically, a cleaning sponge pad 507 is fixedly connected to the bottom of the connecting vertical plate 508. The inner cavity of the cleaning sponge pad 507 has a circular slot 509. The cleaning sponge pad 507 is located on top of the supporting guide wheel 506. The circular slot 509 allows the copper wire to pass through smoothly. Furthermore, the vertical plate 508 provides support for the cleaning sponge pad 507, thereby improving the stability of the cleaning sponge pad 507 during operation.

[0057] The specific implementation of this embodiment is as follows: a copper wire is passed through a circular slot 509 and placed on the surface of a supporting guide wheel 506. The cleaning sponge pad 507 can clean impurities on the surface of the copper wire. When the cleaning sponge pad 507 is under force, it can push the connecting vertical plate 508 to move. The movement of the connecting vertical plate 508 can compress and deform the return spring 505. The return spring 505 can then restore its deformation and push the cleaning sponge pad 507 to be tightly connected to the supporting guide wheel 506. The supporting bracket 501 supports the position of the supporting guide wheel 506, thereby facilitating the fixing of the position of the supporting guide wheel 506. At the same time, the connecting shaft 502 facilitates the rotation of the supporting guide wheel 506.

[0058] Example 5

[0059] Please see Figure 1 ,2 3 and 4 are the fifth embodiments of the present invention, which are based on the previous embodiment.

[0060] The winding mechanism 6 includes an adjusting plate 601. The front side of the adjusting plate 601 is fixedly connected to the back side of the connecting fixing sleeve 207. Both sides of the inner cavity of the adjusting plate 601 are movably connected to connecting screws 606. A winding mold 602 is sleeved on the back side of the surface of the connecting screw 606. A winding stop bar 603 is fixedly connected to the surface of the winding mold 602. A blocking nut 608 is threadedly connected to the back side of the surface of the connecting screw 606. The front side of the blocking nut 608 is in close contact with the back side of the winding mold 602.

[0061] Specifically, limiting transverse grooves 607 are provided on both sides of the inner cavity of the adjusting plate 601. The diameter of the limiting transverse grooves 607 is larger than the diameter of the connecting screw 606, and the surface of the connecting screw 606 is movably connected to the inside of the limiting transverse grooves 607.

[0062] Specifically, a limiting baffle 604 is threadedly connected to the front side of the connecting screw 606. Rotating rods 605 are fixedly connected to both sides of the limiting baffle 604. The back side of the limiting baffle 604 is in close contact with the front side of the adjusting plate 601. By setting the limiting baffle 604, the position of the connecting screw 606 after adjustment can be fixed, thereby adjusting the distance between the two connecting screws 606.

[0063] Specifically, both the winding mold 602 and the winding baffle 603 are semi-circular in structure. There are multiple winding baffles 603, which are evenly distributed on the surface of the winding mold 602. Through the setting of the baffles 603, a winding groove can be formed between the two, so that the copper wire can be smoothly wound on the surface of the winding mold 602.

[0064] The specific implementation method of this embodiment is as follows: The winding mold 602 is fitted onto the surface of the connecting screw 606, and then the blocking nut 608 is threadedly connected to the connecting screw 606 to fix the winding mold 602 onto the surface of the connecting screw 606. The front side of the winding mold 602 is in close contact with the back side of the adjusting plate 601. Then, the connecting screw 606 slides inside the limiting transverse groove 607 to adjust the distance between the two winding molds 602. Then, the limiting baffle 604 is threadedly connected to the connecting screw 606 until the limiting baffle 604 is in close contact with the front side of the adjusting plate 601, thus fixing the adjusted distance between the two winding molds 602. At the same time, the setting of the limiting transverse groove 607 allows the connecting screw 606 to slide smoothly inside the adjusting plate 601, thereby smoothly adjusting the position of the winding mold 602. Meanwhile, the setting of the blocking nut 608 fixes the position of the winding mold 602.

[0065] Example 6

[0066] Please see Figure 1-8The specific implementation of this embodiment is as follows: First, the wire feeding roller 407 is fitted onto the surface of the support post 403, and the rear wire feeding plate 408 is fitted onto the surface of the support post 403. Then, the positioning rod 406 is driven into the positioning slot 404 by the fixing plate 405, thereby installing the fixing plate 405 on the back side of the support post 403. Then, the copper wire is passed through the circular slot 509 and onto the surface of the support guide roller 506. The cleaning sponge pad 507 can clean impurities on the surface of the copper wire. When the cleaning sponge pad 507 is under force, it can push the connecting vertical plate 508 to move. The movement of the connecting vertical plate 508 can compress and deform the return spring 505. The return spring 505 then recovers its deformation and pushes the cleaning sponge pad. The pad 507 is tightly and movably connected to the support guide wheel 506. The support bracket 501 supports the position of the support guide wheel 506, facilitating its fixation. The connecting shaft 502 allows the support guide wheel 506 to rotate. Next, the winding mold 602 is fitted onto the surface of the connecting screw 606, and then the blocking nut 608 is threaded onto the connecting screw 606, fixing the winding mold 602 to the surface of the connecting screw 606. The front side of the winding mold 602 is in close contact with the back side of the adjusting plate 601. The connecting screw 606 then slides within the limiting transverse groove 607, adjusting the distance between the two winding molds 602. Finally, the limiting plate 60... 4. Connect the connecting screw 606 threadedly until the limit stop 604 is in tight contact with the front side of the adjusting plate 601. This fixes the adjusted distance between the two winding molds 602. Simultaneously, the limit groove 607 allows the connecting screw 606 to slide smoothly inside the adjusting plate 601, thus facilitating the adjustment of the winding mold 602's position. The blocking nut 608 also fixes the position of the winding mold 602. The fixed side plate 301 then supports the position of the drive servo motor 302, enabling it to operate normally. The forward rotation of the drive servo motor 302 drives the adjusting screw 304 to rotate. With the adjusting screw 304 and adjusting screw nut 303 threadedly connected... The adjusting screw nut 303 is moved to the left, which in turn moves the connecting post 306. The connecting post 306 slides inside the limiting groove 103, which in turn moves the wire feeding bracket 401. The wire feeding bracket 401 then moves the front wire feeding baffle 402, thus increasing the tension of the copper wire. Conversely, the transmission servo motor 302 drives the adjusting screw 304 to rotate in the opposite direction, adjusting the position of the wire feeding bracket 401. Simultaneously, the limiting anti-detachment plate 305 limits the movement of the adjusting screw nut 303, preventing it from detaching from the surface of the adjusting screw 304. The limiting groove 103 limits the movement of the connecting post 306.To prevent displacement of the connecting column 306 during movement, the drive motor 202 drives the driving gear 204 to rotate. The output end of the drive motor 202 is movably connected to the inside of the fixed bracket 201. The rotation of the driving gear 204 drives the driven gear 203 to rotate, which in turn drives the supporting rod 206 to rotate. The supporting rod 206 rotates inside the fixed stop 205, which in turn drives the connecting fixing sleeve 207 to rotate. The rotation of the connecting fixing sleeve 207 drives the adjusting plate 601 to rotate, thus achieving the winding effect. The connecting fixing sleeve 207 also improves the stability of the connection between the supporting rod 206 and the adjusting plate 601, preventing breakage when the connecting fixing sleeve 207 drives the adjusting plate 601 to rotate. (The above describes the entire working process of the device; any content not described in detail in this specification is prior art known to those skilled in the art.)

[0067] In the description of this invention, it should be noted that the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0068] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0069] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hairpin winding forming device for an electric vehicle drive motor, comprising a winding top platform (1), characterized in that: The winding top platform (1) includes a winding worktable (101). A support base (102) is fixedly connected to the front and back sides of the bottom of the winding worktable (101). A limiting groove (103) is opened on the left side of the inner cavity of the winding worktable (101). The interior of the limiting groove (103) is movably connected to the surface of the connecting column (306). A wire feeding mechanism (4) is fixedly connected to the top of the connecting column (306). The wire feeding mechanism (4) includes a wire feeding bracket (401). A transmission mechanism (2) is fixedly connected to the front side of the top of the winding worktable (101). The transmission mechanism (2) includes a fixed bracket (201) and a fixed stop (205). A winding mechanism (6) is installed on the back side of the fixed stop (205). A drive motor (202) is fixedly connected to the front side of the fixed bracket (201). A drive gear (204) is fixedly connected to the output end of the drive motor (202). A driven gear (203) is meshed with the top of the drive gear (204). A support rod (206) is fixedly connected to the inner cavity of the driven gear (203). An adjustment mechanism (3) is installed on the left side of the winding worktable (101). The adjustment mechanism (3) includes a fixed side plate (301) and a connecting column (306). A drive servo motor (302) is fixedly connected to the left side of the fixed side plate (301). An adjustment screw (304) is fixedly connected to the output end of the drive servo motor (302). An adjustment screw nut (303) is threadedly connected to the left side of the surface of the adjustment screw (304). The top of the adjustment screw nut (303) is fixedly connected to the bottom of the connecting column (306). The winding mechanism (6) includes an adjusting plate (601), the front side of which is fixedly connected to the back side of the connecting fixing sleeve (207). Both sides of the inner cavity of the adjusting plate (601) are movably connected to connecting screws (606). A winding mold (602) is sleeved on the back side of the surface of the connecting screw (606). A winding stop bar (603) is fixedly connected to the surface of the winding mold (602). A blocking nut (608) is threadedly connected to the back side of the surface of the connecting screw (606). The front side of the blocking nut (608) is in close contact with the back side of the winding mold (602).

2. The hairpin winding forming device for an electric vehicle drive motor according to claim 1, characterized in that: A limiting anti-detachment plate (305) is fixedly connected to the back side of the adjusting screw (304), and the cross-sectional area on the left side of the limiting anti-detachment plate (305) is larger than the cross-sectional area on the right side of the adjusting screw (304).

3. The hairpin winding forming device for an electric vehicle drive motor according to claim 1, characterized in that: A support post (403) is fixedly connected to the top of the back side of the wire feeding bracket (401). A front wire feeding baffle (402) is fixedly connected to the front side of the surface of the support post (403). A wire feeding wheel (407) is movably connected to the surface of the support post (403). A rear wire feeding baffle (408) is movably connected to the back side of the surface of the support post (403). The rear wire feeding baffle (408) is located on the back side of the wire feeding wheel (407). The front wire feeding baffle (402) is located on the front side of the wire feeding wheel (407).

4. The hairpin winding forming device for an electric vehicle drive motor according to claim 3, characterized in that: The back side of the inner cavity of the support column (403) is provided with a positioning slot (404), and a positioning rod (406) is inserted into the inner cavity of the positioning slot (404). A fixing baffle (405) is fixedly connected to the back side of the positioning rod (406), and the front side of the fixing baffle (405) contacts the back side of the support column (403).

5. A hairpin winding forming device for an electric vehicle drive motor according to claim 3, characterized in that: A cleaning mechanism (5) is fixedly connected to the right side of the front wire feeding baffle (402). The cleaning mechanism (5) includes a support baffle (501). A connecting shaft (502) is fixedly connected to the top of the inner cavity of the support baffle (501). A support guide wheel (506) is movably connected to the surface of the connecting shaft (502). A connecting support (503) is fixedly connected to the top of the front wire feeding baffle (402). A fixing horizontal plate (504) is fixedly connected to the right side of the connecting support (503). A return spring (505) is fixedly connected to the right side of the fixing horizontal plate (504). A connecting vertical plate (508) is fixedly connected to the right side of the return spring (505).

6. A hairpin winding forming device for an electric vehicle drive motor according to claim 5, characterized in that: A cleaning sponge pad (507) is fixedly connected to the bottom of the connecting vertical plate (508). The inner cavity of the cleaning sponge pad (507) is provided with a circular slot (509). The cleaning sponge pad (507) is located on the top of the supporting guide wheel (506).

7. A hairpin winding forming device for an electric vehicle drive motor according to claim 1, characterized in that: Limiting transverse grooves (607) are provided on both sides of the inner cavity of the adjusting plate (601). The diameter of the limiting transverse grooves (607) is larger than the diameter of the connecting screw (606), and the surface of the connecting screw (606) is movably connected to the inside of the limiting transverse grooves (607).

8. A hairpin winding forming device for an electric vehicle drive motor according to claim 7, characterized in that: The front side of the connecting screw (606) is threaded with a limiting plate (604), and a rotating rod (605) is fixedly connected to both sides of the limiting plate (604). The back side of the limiting plate (604) is in close contact with the front side of the adjusting plate (601).

9. A hairpin winding forming device for an electric vehicle drive motor according to claim 1, characterized in that: The surface of the connecting fixing sleeve (207) is movably connected to the interior of the fixing bracket (205), the back side of the supporting light rod (206) is fixedly connected to the connecting fixing sleeve (207), and the back side of the connecting fixing sleeve (207) is fixedly connected to the front side of the adjusting plate (601).

10. A hairpin winding forming device for an electric vehicle drive motor according to claim 1, characterized in that: The winding mold (602) and the winding baffle (603) are both semi-circular in structure. There are multiple winding baffles (603) and they are evenly distributed on the surface of the winding mold (602).

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