Flat wire motor production line and production process

Abstract

The invention discloses a flat wire motor production line and a production process, and relates to the technical field of flat wire motors. Comprising the following steps: step 1, manufacturing a stator core, step 2, inserting insulation paper, step 3, manufacturing a flat wire, step 4, preforming the flat wire, step 5, forming the flat wire, step 6, inserting the flat wire, step 7, twisting the end part of the flat wire, step 8, welding the flat wire, and step 9, dipping and painting the stator core. Automatic and large-scale production of the flat wire motor stator is realized, the process level of the flat wire motor stator is improved, the process steps of the flat wire motor stator are perfected, flat copper wires in the produced flat wire motor stator are overlapped and inserted into a wire slot of a stator iron core according to the length sequence, the overall height of a coil is greatly shortened, and the production efficiency is improved. The motor copper loss is reduced, and the motor efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of flat wire motors, and in particular to a flat wire motor production line and a production process. Background Art

[0002] Flat wire motor is a common type of electric motor, mainly composed of stator and rotor. Flat copper wire is usually used as winding conductor. The flat copper wire needs to be bent into a hairpin shape first, and then inserted into the wire slot of the stator core in sequence, and finally the ends of the flat copper wire can be welded. Compared with round wire, flat wire is more conducive to improving the slot fill rate of the motor, thereby generating a stronger magnetic field strength, improving power density, making the motor performance better, and making the motor more compact, which is more conducive to saving material costs. Therefore, flat wire motor is the mainstream form of motor winding at present, and it is also the development direction of drive motor in the future. However, while flat wire motor has many advantages, it also has certain disadvantages, such as high precision requirements, high design difficulty, and high process manufacturing difficulty. Large-scale mass production cannot be achieved through manual manufacturing alone. It is necessary to continuously improve the process level and improve the process steps to provide an automated and large-scale production method for flat wire motor stators. Summary of the invention

[0003] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a flat wire motor production line and production process, to solve the technical problem that large-scale mass production cannot be achieved through manual manufacturing alone, and to provide a method for manufacturing a flat wire motor stator to achieve automated and large-scale production of the flat wire motor stator.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions: a flat wire motor production line, characterized in that: it includes a main line body, on which a feeding mechanism, a welding mechanism, a wire plugging machine, a detection mechanism, and a coating mechanism are distributed, and also includes a control cabinet, which is used to program a PLC control program, the feeding mechanism is used to feed the iron core, the feeding mechanism includes a feeding carrier and a feeding robot, the feeding carrier is used to feed the feeding robot, the main line body also has a wire forming machine, the wire forming machine is used to make motor flat wire, and a pre-insertion device is also provided on one side of the wire forming machine, the pre-insertion device reciprocates between the wire forming machine and the wire plugging machine through a transfer rack, and the various parts of the mechanism are connected by a conveyor belt or a transplanting robot, and the detection mechanism includes a manual re-inspection device, an appearance detection device, an electrical performance detection device, and an iron core code scanning detection device.

[0005] The present invention is further configured as follows: the control cabinet has a display operation screen, a programmable controller, a servo drive, a movable pulley block servo motor and a wire feeding and traction machine servo motor, the display operation screen is connected to the programmable controller, the display operation screen is used to input control commands and display control information, the programmable controller is connected to the servo drive via a control card, and the programmable controller is used to send operating instructions converted from the control commands to the servo drive.

[0006] The present invention is further configured as follows: the servo driver is connected to the movable pulley block servo motor and the wire feeding traction machine servo motor, so that the movable pulley block servo motor and the wire feeding traction machine servo motor move according to the operating instructions, and the movable pulley block servo motor and the wire feeding traction machine servo motor drive the movable pulley block and the wire feeding traction machine respectively.

[0007] The present invention is further configured as follows: the loading carrier includes a base, and more than two silo assemblies are arranged in the base at intervals, and any silo assembly each includes a front back plate and a rear back plate, the front back plate is arranged parallel to the front side of the rear back plate, and a first slide and a second slide are arranged between the front back plate and the rear back plate, and the upper end of the first slide and the lower end of the second slide are respectively provided with openings, the first slide is arranged on the front side of the second slide, and the rear side of the lower end of the first slide is connected with the front side of the upper end of the second slide, and a pushing assembly is arranged in the base and on the lower side of the silo assembly, and the pushing assembly includes two lifting cylinders, and a bottom plate is arranged on the upper side of the lifting cylinder, and the piston rod of the lifting cylinder is connected to the bottom plate, and the length direction of the bottom plate is parallel to the length direction of the base.

[0008] The present invention is further configured as follows: a guide rail is arranged on the bottom plate, the length direction of the guide rail is parallel to the length direction of the bottom plate, a slider is arranged on the guide rail, a push plate is arranged on the slider, at least two push blocks are arranged on the push plate at intervals along its length direction, any one of the push blocks respectively passes through one of the front back plates and extends into the first slideway, a push cylinder is arranged on the bottom plate and on the front side of the guide rail, a piston rod of the push cylinder is connected to the push plate, a conveying assembly is arranged in the base and below the silo assembly, the conveying assembly includes a driving device, an active synchronization assembly and a passive synchronization assembly, the power output end of the driving device is connected to the active synchronization assembly through a first transmission mechanism, and the active synchronization assembly is connected to the passive synchronization assembly through a second transmission mechanism.

[0009] The present invention is further configured as follows: a silo fixing assembly is arranged on the base, the silo fixing assembly includes a left vertical plate and a right vertical plate, at least three partitions arranged at intervals along the length direction of the base are arranged between the left vertical plate and the right vertical plate, and a mounting groove is respectively formed between any two adjacent partitions, and any one of the silo assemblies is respectively arranged in one of the mounting grooves, and a mounting piece is respectively arranged on the front and rear sides of any one of the silo assemblies, and a left top block and a right top block are respectively arranged on the left and right sides of any one of the silo assemblies, the left top block is fixedly connected to the partition, and the right top block and the partition form a sliding pair parallel to the length direction of the mounting groove, and both ends of the mounting piece are respectively in contact with the left top block and the right top block, and a locking device is respectively arranged on the right vertical plate and on the right side of any one of the right top blocks.

[0010] The present invention is further configured as follows: the active synchronous component includes two first vertical plates, a driving shaft is arranged between the two first vertical plates, a first driving pulley and two second driving pulleys are arranged on the driving shaft, the passive synchronous component includes two second vertical plates, a passive shaft is arranged between the two second vertical plates, two passive pulleys are arranged on the passive shaft, the first transmission mechanism includes a first belt, the first driving pulley is connected to the power output end of the driving device through the first belt, the second transmission mechanism includes two second belts, the two second driving pulleys are respectively connected to the two passive pulleys through one of the second belts, and the pushing component is arranged between the two second belts.

[0011] The present invention is further configured as: a flat wire motor production process, further comprising the following steps: Step 1: Making a stator core, selecting silicon steel sheets as raw materials, placing the silicon steel sheets in a punching machine for punching to form stator punching sheets, and stacking and pressing the stator punching sheets in sequence to make a stator core; Step 2: inserting insulating paper, inserting insulating paper into the wire slots of the stator core in sequence; Step 3, making flat wires, making the flat copper wires into a first flat wire, a second flat wire, a third flat wire and a lead wire, wherein the length of the first flat wire is greater than that of the second flat wire, and the length of the second flat wire is greater than that of the third flat wire; Step 4: preforming the flat wires. The first flat wire, the second flat wire and the third flat wire are bent into a "U" shape by a profiling tool. The bent first flat wire, the second flat wire and the third flat wire are sequentially transferred to a first forming mold. The first forming mold is sequentially provided with first forming grooves corresponding to the stator core wire slots along its circumferential direction. The first flat wire, the second flat wire and the third flat wire are arranged in the same first forming groove in order of length to form a flat wire group. A group of flat wire groups is arranged in each first forming groove. Step 5, flat wire forming, the arranged flat wire group is transferred as a whole to the second forming mold, the second forming mold includes a first inner mold with a second forming groove and a first outer mold with a third forming groove, the second forming groove and the third forming groove both correspond to the wire slot of the stator core, one end of the first flat wire, the second flat wire and the third flat wire are sequentially inserted into the second forming groove of the first inner mold, and the same end of the first flat wire, the second flat wire and the third flat wire in the same group of flat wires is inserted into the same second forming groove, the other ends of the first flat wire, the second flat wire and the third flat wire in the same group of flat wires are sequentially inserted into the third forming groove of the first outer mold, and the other ends of the first flat wire, the second flat wire and the third flat wire in the same group of flat wires are inserted into the same third forming groove, the first inner mold and the first outer mold of the forming mold move in opposite directions along the circumferential direction to bend the first flat wire, the second flat wire and the third flat wire into a hairpin shape; Step six, flat wire insertion, the formed first flat wire, second flat wire and third flat wire are removed from the second forming mold as a whole, and inserted into the wire slots of the stator core as a whole, the same end of the first flat wire, the second flat wire and the third flat wire in the same flat wire group is inserted into the same wire slot, 27 wire slots are spanned between the two ends of the first flat wire, the second flat wire and the third flat wire in the same flat wire group, the flat wire ends are twisted, the stator core with the inserted flat wires is transferred to the twisting mold, the flat wire ends are twisted, the flat wires are welded, and the ends of the twisted ends of the flat wires are welded.

[0012] In summary, the present invention has the following beneficial effects: the present invention can simplify the process of manufacturing the flat wire motor stator, realize the automated and large-scale production of the flat wire motor stator, improve the process level of the flat wire motor stator, and improve the process steps of the flat wire motor stator. The flat copper wires in the manufactured flat wire motor stator are inserted into the wire slots of the stator core in order of length and overlap each other, which greatly shortens the overall height of the wire package, which is beneficial to reducing the copper loss of the motor and improving the efficiency of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Is a block diagram of the production line of the present invention; Figure 2 It is a production process flow chart of the present invention.

[0014] In the figure: 1. Main line body; 2. Feeding mechanism; 3. Welding mechanism; 4. Wire insertion machine; 5. Testing mechanism; 6. Coating mechanism; 7. Control cabinet; 8. Manual re-inspection device; 9. Appearance inspection device; 10. Electrical performance inspection device; 11. Iron core scanning inspection device. DETAILED DESCRIPTION

[0015] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1 , Figure 2 As shown, the flat wire motor production line and production process of the present invention include the following steps: first, making a stator core, selecting silicon steel sheets as raw materials, placing the silicon steel sheets in a punching machine for punching to form stator punching sheets, stacking the stator punching sheets in sequence and pressing and fixing them to make a stator core, and inserting insulating paper in each wire slot of the stator core in sequence, the number of wire slots of the stator core can be 36 slots or 48 slots, and the cross-section of the insulating paper can be set to O type, B type, S type or C type; secondly, making a flat wire, and winding the flat copper wire through an unwinding device. The flat copper wires are transported and straightened, the paint on the flat copper wires is removed at intervals according to the required length of the stator, and the flat copper wires are cut at the place where the paint is removed, and the flat copper wires are respectively made into a first flat wire, a second flat wire, a third flat wire and a lead-out wire. The length of the first flat wire is greater than that of the second flat wire, the length of the second flat wire is greater than that of the third flat wire, and the length difference between the first flat wire and the second flat wire is equal to the length difference between the second flat wire and the third flat wire. As other schemes, according to the needs of the motor stator, a fourth flat wire, a fifth flat wire, a sixth flat wire, etc. can also be made.

[0017] After the required flat wires are made, the flat wires need to be bent and formed so as to be plugged into the wire slots of the stator core; the first flat wire, the second flat wire and the third flat wire are bent into a "U" shape by a profiling tool, and the bent first flat wire, the second flat wire and the third flat wire are sequentially transferred to the first forming mold for arrangement, and the first forming grooves corresponding to the wire slots of the stator core are sequentially opened in the first forming mold along its own circumferential direction, and the first forming grooves are distributed along the axial direction of the first forming mold. The first flat wire and the third flat wire are arranged in the same first forming groove in the order of length to form a flat wire group. In each flat wire group, the inner surface of the first flat wire contacts the outer surface of the second flat wire, and the inner surface of the second flat wire contacts the outer surface of the third flat wire. That is, in the same first forming groove, the third flat wire is first inserted and the third flat wire is located in the middle position of the first forming groove, and then the second flat wire is inserted and the second flat wire is sleeved on the outside of the third flat wire. Finally, the first flat wire is inserted and the first flat wire is sleeved on the outside of the second flat wire. According to the above method After the connection is completed, a group of flat wires is arranged in each first forming groove, that is, six layers of flat wires. The flat wire group arranged in the first forming groove is transferred as a whole to the second forming mold. The second forming mold includes a first inner mold with a second forming groove and a first outer mold with a third forming groove. The second forming groove and the third forming groove correspond to the wire grooves of the stator core. One end of the first flat wire, the second flat wire and the third flat wire are sequentially inserted into the second forming groove of the first inner mold, and the first flat wire, the second flat wire and the third flat wire in the same group of flat wires are inserted into the second forming groove of the first inner mold. The same end of the wire is inserted into the same second molding groove; the other ends of the first flat wire, the second flat wire and the third flat wire are sequentially inserted into the third molding groove of the first outer mold, and the other ends of the first flat wire, the second flat wire and the third flat wire in the same group of flat wires are inserted into the same third molding groove, that is, three layers of flat wires are arranged in each second molding groove, and three layers of flat wires are also arranged in each third molding groove; the first inner mold and the first outer mold of the molding mold move in opposite directions along the circumferential direction to bend the first flat wire, the second flat wire and the third flat wire into a hairpin shape.

[0018] like Figure 1As shown, the flat wire motor production line includes a main wire body 1, on which are distributed a feeding mechanism 2, a welding mechanism 3, a wire plugging machine 4, a detection mechanism 5, and a coating mechanism 6, and also includes a control cabinet 7, the control cabinet 7 is used to be programmed into a PLC control program, the feeding mechanism 2 is used for iron core feeding, the feeding mechanism 2 includes a feeding carrier and a feeding robot, the feeding carrier is used to feed the feeding robot, the main wire body 1 also has a wire forming machine, the wire forming machine is used to make motor flat wires, and a pre-insertion device is also provided on one side of the wire forming machine, the pre-insertion device reciprocates between the wire forming machine and the wire plugging machine 4 through a transfer frame, and the various parts of the mechanism are connected by a conveyor belt or a transfer robot; the feeding carrier includes a base, and the middle of the base is provided with a There are more than two silo assemblies, and any silo assembly includes a front back plate and a rear back plate, the front back plate is arranged parallel to the front side of the rear back plate, a first slide and a second slide are arranged between the front back plate and the rear back plate, the upper end of the first slide and the lower end of the second slide are respectively provided with openings, the first slide is arranged at the front side of the second slide, the rear side of the lower end of the first slide is connected with the front side of the upper end of the second slide, a pushing assembly is arranged in the base and at the lower side of the silo assembly, the pushing assembly includes two lifting cylinders, a bottom plate is arranged on the upper side of the lifting cylinder, the piston rod of the lifting cylinder is connected to the bottom plate, and the length direction of the bottom plate is parallel to the length direction of the base; a guide rail is arranged on the bottom plate, and the guide rail The length direction of the rail is parallel to the length direction of the base plate, a slider is provided on the guide rail, a push plate is provided on the slider, at least two push blocks are provided on the push plate at intervals along the length direction thereof, any push block passes through a front back plate and extends into the first slideway, a push cylinder is provided on the base plate and the front side of the guide rail, a piston rod of the push cylinder is connected to the push plate, a conveying assembly is provided in the base and below the silo assembly, the conveying assembly comprises a driving device, an active synchronous assembly and a passive synchronous assembly, a power output end of the driving device is connected to the active synchronous assembly via a first transmission mechanism, and the active synchronous assembly is connected to the passive synchronous assembly via a second transmission mechanism; a silo fixing assembly is provided on the base, The silo fixing assembly comprises a left vertical plate and a right vertical plate, at least three partitions arranged at intervals along the length direction of the base are arranged between the left vertical plate and the right vertical plate, a mounting groove is formed between any two adjacent partitions, any silo assembly is respectively arranged in a mounting groove, a mounting piece is respectively arranged on the front and rear sides of any silo assembly, a left top block and a right top block are respectively arranged on the left and right sides of any silo assembly, the left top block is fixedly connected to the partition, the right top block and the partition form a sliding pair parallel to the length direction of the mounting groove, the two ends of the mounting piece are respectively in contact with the left top block and the right top block, and a locking device is respectively arranged on the right vertical plate and on the right side of any right top block;The active synchronous component includes two first vertical plates, a driving shaft is arranged between the two first vertical plates, a first driving pulley and two second driving pulleys are arranged on the driving shaft, the passive synchronous component includes two second vertical plates, a passive shaft is arranged between the two second vertical plates, two passive pulleys are arranged on the passive shaft, the first transmission mechanism includes a first belt, the first driving pulley is connected to the power output end of the driving device through the first belt, the second transmission mechanism includes two second belts, the two second driving pulleys are connected to the two passive pulleys through one second belt respectively, and the pusher component is arranged between the two second belts. ;

[0019] like Figure 1 As shown, the detection mechanism 5 includes a manual re-inspection device 8, an appearance detection device 9, an electrical performance detection device 10 and an iron core scanning detection device 11; the manual re-inspection device 8 is used to randomly inspect the flat wire motor to improve the off-line quality and quality of the flat wire motor, the appearance detection device 9 scans and detects the finished product of the flat wire motor through a visual camera arranged on the production line, the electrical performance detection uses a detector to detect the power-on performance of the flat wire motor after it is powered on, and the iron core scanning detection is performed through an encoder, which mainly detects the performance of the iron core. The above-mentioned multiple detection methods greatly improve the quality of the flat wire motor, and the flat wire motor production line is conducive to improving the quality and yield rate of the flat wire motor.

[0020] like Figure 1 As shown, the control cabinet 7 has a display operation screen, a programmable controller, a servo drive, a movable pulley block servo motor and a wire feeding traction machine servo motor. The display operation screen is connected to the programmable controller, and the display operation screen is used to input control commands and display control information; for example, it can be a touch screen. The programmable controller is connected to the servo drive via a control card. The programmable controller is used to send an operation instruction converted from the control command to the servo drive. The servo drive is connected to the movable pulley block servo motor and the wire feeding traction machine servo motor, so that the movable pulley block servo motor and the wire feeding traction machine servo motor move according to the operation instruction, and the movable pulley block servo motor and the wire feeding traction machine servo motor respectively drive the movable pulley block and the wire feeding traction machine.

[0021] like Figure 1 , Figure 2As shown, in the enameled flat wire production process of the flat wire motor, the control cabinet 7 has a very high requirement for the stability control accuracy of the temperature and time of painting and baking because the insulation thickness of the product is very thin, only 0.07-0.1mm. The system uses a servo driver to drive the servo motor as the main traction for the wire take-up traction and the operation of the equipment. It sets the value by the touch screen according to the process requirements of different production specifications of the product, and controls the servo motor of the wire take-up traction machine through the operation instructions of the programmable controller (PLC), and operates with high precision according to the given instructions; the production line speed of the enameled flat wire is stably operated according to the process requirements to ensure the level of production quality; at the same time, the servo motor of the wire feeding traction machine is controlled by the unified instruction of the programmable controller to keep the synchronous operation with the wire taking-up servo motor; and the wire tension balance wheel swings up and down with the change of the wire tension, and the position sensor behind it converts the swinging tension signal into an electrical signal, sends it to the programmable controller for operation and sends instructions, adjusts the speed of the wire feeding traction machine so that the wire sent out can meet the requirements of the wire take-up traction and keep a certain tension of the wire; the production process of the equipment is highly stable and coordinated, and the product quality of the enameled flat wire is improved.

[0022] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A flat wire motor production line, characterized by: The invention comprises a main line body (1), on which a feeding mechanism (2), a welding mechanism (3), a wire plugging machine (4), a detection mechanism (5), and a coating mechanism (6) are distributed, and a control cabinet (7) is also included, wherein the control cabinet (7) is used to program a PLC control program, wherein the feeding mechanism (2) is used to feed iron cores, wherein the feeding mechanism (2) comprises a feeding carrier and a feeding robot, wherein the feeding carrier is used to feed materials to the feeding robot, wherein the main line body (1) also comprises a wire forming machine, wherein the wire forming machine is used to form motor flat wires, wherein a pre-insertion device is further provided on one side of the wire forming machine, wherein the pre-insertion device reciprocates between the wire forming machine and the wire plugging machine (4) via a transfer rack, wherein each part of the mechanism is connected via a conveyor belt or a transfer robot, wherein the detection mechanism (5) comprises a manual re-inspection device (8), an appearance detection device (9), an electrical performance detection device (10), and an iron core code scanning detection device (11).

2. A flat wire motor production line according to claim 1, characterized in that: The control cabinet (7) comprises a display operation screen, a programmable controller, a servo drive, a movable pulley block servo motor and a wire feeding and traction machine servo motor. The display operation screen is connected to the programmable controller. The display operation screen is used to input control commands and display control information. The programmable controller is connected to the servo drive via a control card. The programmable controller is used to send an operation instruction converted from the control command to the servo drive.

3. The flat wire motor production line according to claim 2, characterized in that: The servo driver is connected to the movable pulley block servo motor and the wire feeding traction machine servo motor, so that the movable pulley block servo motor and the wire feeding traction machine servo motor move according to the operation instruction, and the movable pulley block servo motor and the wire feeding traction machine servo motor drive the movable pulley block and the wire feeding traction machine respectively.

4. The flat wire motor production line according to claim 1, characterized in that: The loading carrier includes a base, with more than two silo assemblies arranged in the middle of the base, and any silo assembly includes a front back plate and a rear back plate, the front back plate is arranged parallel to the front side of the rear back plate, a first slide and a second slide are arranged between the front back plate and the rear back plate, the upper end of the first slide and the lower end of the second slide are respectively provided with openings, the first slide is arranged on the front side of the second slide, the rear side of the lower end of the first slide is connected with the front side of the upper end of the second slide, a pushing assembly is arranged in the base and on the lower side of the silo assembly, the pushing assembly includes two lifting cylinders, a bottom plate is arranged on the upper side of the lifting cylinder, the piston rod of the lifting cylinder is connected to the bottom plate, and the length direction of the bottom plate is parallel to the length direction of the base.

5. The flat wire motor production line according to claim 4, characterized in that: A guide rail is arranged on the bottom plate, and the length direction of the guide rail is parallel to the length direction of the bottom plate. A slider is arranged on the guide rail, and a push plate is arranged on the slider. At least two push blocks are arranged on the push plate at intervals along its length direction, and any push block passes through one of the front back plates and extends into the first slideway. A push cylinder is arranged on the bottom plate and on the front side of the guide rail, and the piston rod of the push cylinder is connected to the push plate. A conveying assembly is arranged in the base and below the silo assembly, and the conveying assembly includes a driving device, an active synchronization assembly and a passive synchronization assembly. The power output end of the driving device is connected to the active synchronization assembly through a first transmission mechanism, and the active synchronization assembly is connected to the passive synchronization assembly through a second transmission mechanism.

6. The flat wire motor production line according to claim 5, characterized in that: A silo fixing assembly is provided on the base, and the silo fixing assembly includes a left vertical plate and a right vertical plate. At least three partitions arranged at intervals along the length direction of the base are provided between the left vertical plate and the right vertical plate, and a mounting groove is respectively formed between any two adjacent partitions. Any silo assembly is respectively arranged in one of the mounting grooves, and a mounting piece is respectively provided on the front and rear sides of any silo assembly. A left top block and a right top block are respectively provided on the left and right sides of any silo assembly, and the left top block is fixedly connected to the partition, and the right top block and the partition form a sliding pair parallel to the length direction of the mounting groove, and two ends of the mounting piece are respectively in contact with the left top block and the right top block, and a locking device is respectively provided on the right vertical plate and on the right side of any right top block.

7. The flat wire motor production line according to claim 6, characterized in that: The active synchronous component includes two first vertical plates, a driving shaft is arranged between the two first vertical plates, a first driving pulley and two second driving pulleys are arranged on the driving shaft, the passive synchronous component includes two second vertical plates, a passive shaft is arranged between the two second vertical plates, two passive pulleys are arranged on the passive shaft, the first transmission mechanism includes a first belt, the first driving pulley is connected to the power output end of the driving device through the first belt, the second transmission mechanism includes two second belts, the two second driving pulleys are connected to the two passive pulleys through one of the second belts respectively, and the pushing component is arranged between the two second belts.

8. A flat wire motor production process, based on the flat wire motor production line according to any one of claims 1 to 7, characterized in that: The following steps are also included: Step 1: manufacturing a stator core, selecting silicon steel sheets as raw materials, placing the silicon steel sheets in a punching machine for punching to form stator punching sheets, and stacking and pressing the stator punching sheets in sequence to form a stator core; Step 2: inserting insulating paper, inserting insulating paper into the wire slots of the stator core in sequence; Step 3, making flat wires, making the flat copper wires into a first flat wire, a second flat wire, a third flat wire and a lead wire, wherein the length of the first flat wire is greater than that of the second flat wire, and the length of the second flat wire is greater than that of the third flat wire; Step 4: preforming the flat wires. The first flat wire, the second flat wire and the third flat wire are bent into a "U" shape by a profiling tool. The bent first flat wire, the second flat wire and the third flat wire are sequentially transferred to a first forming mold. The first forming mold is sequentially provided with first forming grooves corresponding to the stator core wire slots along its circumferential direction. The first flat wire, the second flat wire and the third flat wire are arranged in the same first forming groove in order of length to form a flat wire group. A group of flat wire groups is arranged in each first forming groove. Step 5, flat wire forming, the arranged flat wire group is transferred as a whole to the second forming mold, the second forming mold includes a first inner mold with a second forming groove and a first outer mold with a third forming groove, the second forming groove and the third forming groove both correspond to the wire slot of the stator core, one end of the first flat wire, the second flat wire and the third flat wire are sequentially inserted into the second forming groove of the first inner mold, and the same end of the first flat wire, the second flat wire and the third flat wire in the same group of flat wires is inserted into the same second forming groove, the other ends of the first flat wire, the second flat wire and the third flat wire are sequentially inserted into the third forming groove of the first outer mold, and the other ends of the first flat wire, the second flat wire and the third flat wire in the same group of flat wires are inserted into the same third forming groove, the first inner mold and the first outer mold of the forming mold move in opposite directions along the circumferential direction, and the first flat wire, the second flat wire and the third flat wire are bent into a hairpin shape; Step six, flat wire insertion, the formed first flat wire, second flat wire and third flat wire are removed from the second forming mold as a whole, and inserted into the wire slots of the stator core as a whole, the same end of the first flat wire, the second flat wire and the third flat wire in the same flat wire group is inserted into the same wire slot, 27 wire slots are spanned between the two ends of the first flat wire, the second flat wire and the third flat wire in the same flat wire group, the flat wire ends are twisted, the stator core with the inserted flat wires is transferred to the twisting mold, the flat wire ends are twisted, the flat wires are welded, and the ends of the twisted ends of the flat wires are welded.

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