Head cutting device for flat wire motor

Abstract

The utility model discloses a head cutting device for a flat wire motor. The head cutting device comprises a fixed seat, a rotating seat, a rotating driving mechanism, a cutting driving mechanism, a plurality of cutters and a plurality of driving sliding blocks, the rotating seat is rotationally connected to the fixed seat and located on the inner side of the fixed seat, the cutters are slidably connected to the rotating seat in the radial direction and are sequentially arranged at intervals in the circumferential direction, and the driving sliding blocks are slidably connected to the fixed seat in the radial direction and are sequentially arranged on the outer sides of the cutters at intervals in the circumferential direction; the driving sliding block is provided with a cutter feeding position which slides inwards in place in the radial direction and a cutter retracting position which slides outwards in place in the radial direction, the fixing base is provided with a plurality of limiting arc sections which are sequentially arranged in the circumferential direction, and the driving sliding block is provided with a connecting part. And when the driving sliding block slides to a tool retracting position, the connecting part is aligned and connected with the limiting arc section. According to the utility model, the thread end cutting efficiency can be improved, the end cutting time is saved, and the end cutting capacity can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cutting device for flat wire motor. BACKGROUND

[0002] At present, the line head on the stator assembly needs to be cut off in the production process of flat wire motor to align the line head, and then facilitate laser welding of the line head in the subsequent process. For example, a kind of automobile motor stator copper wire cutting device is disclosed in Chinese patent with publication number CN219703343U, which cuts off the line head in the stator assembly by two sets of cutters. However, the cutters can only cut off a small amount of line head at a time, and the cutting efficiency is low, which takes a long time and cannot meet the demand of production capacity. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and to provide a kind of cutting device for flat wire motor, which can improve the efficiency of cutting off line head, save the time of cutting head processing, and thus improve the production capacity of cutting head processing.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a kind of cutting device for flat wire motor, comprising a fixed seat, a rotating seat, a rotating drive mechanism, a cutting drive mechanism, a plurality of cutters and a plurality of drive sliding blocks.

[0005] The rotating seat is rotatably connected to the fixed seat and located on the inner side of the fixed seat.

[0006] The cutter is radially slidably connected to the rotating seat and arranged in sequence along the circumference.

[0007] The drive sliding block is radially slidably connected to the fixed seat and arranged in sequence along the circumference on the outer side of the cutter, and the drive sliding block has an advancing position radially slidably connected to the fixed seat and arranged in sequence along the circumference on the outer side of the cutter, and the drive sliding block has an advancing position radially slidably connected to the fixed seat and arranged in sequence along the circumference on the outer side of the cutter.

[0008] A plurality of limiting arc segments are arranged in sequence along the circumference on the fixed seat, and a sliding fitting channel corresponding to the drive sliding block is arranged between adjacent limiting arc segments, one end of the drive sliding block is slidably fitted in the corresponding sliding fitting channel, and a connecting portion is provided on the drive sliding block, and the connecting portion is aligned and connected with the limiting arc segment when the drive sliding block slides to the retreat position.

[0009] A matching portion is provided on the cutter for matching and clamping with the connecting portion and the limiting arc segment.

[0010] The rotating driving mechanism is connected with the rotating seat, and is used for driving the rotating seat to rotate and further drive the cutter to rotate when the connecting part is aligned and connected with the limiting arc segment, so that the matching part on the cutter slides along the limiting arc segment and the connecting part in the circumferential direction, wherein the matching part on the cutter that is rotated to be aligned with the driving sliding block is matched and connected with the connecting part on the aligned driving sliding block, and the matching part on the cutter that is rotated to be misaligned with the driving sliding block is matched and connected with the corresponding limiting arc segment.

[0011] The cutters are divided into at least two groups, the rotating seat has at least two cutting positions in the rotating process, and each group of cutters corresponds to at least one cutting position, the cutters in the corresponding group are rotated to be aligned with the driving sliding block and further matched and connected with the connecting part on the aligned driving sliding block when the rotating seat is rotated to the corresponding cutting position.

[0012] The cutting driving mechanism is connected with the driving sliding block and is used for driving the driving sliding block to slide in the radial direction and further driving the cutter matched and connected with the driving sliding block to move in the radial direction.

[0013] Further provided are specific structures of the connecting part, the matching part and the limiting arc segment, the connecting part is a connecting protrusion arranged on the driving sliding block, the limiting arc segment is an arc-shaped limiting protrusion arranged on the fixed seat, the connecting protrusion is aligned and connected with the limiting protrusion when the driving sliding block slides to the tool withdrawing position, the matching part is a matching groove arranged on the cutter and used for being matched and connected with the connecting protrusion and the limiting protrusion, the matching groove is used for sliding along the limiting protrusion and the connecting protrusion in the circumferential direction when the rotating seat drives the cutter to rotate, the matching groove on the cutter that is rotated to be aligned with the driving sliding block is matched and connected with the connecting protrusion on the aligned driving sliding block, and the matching groove on the cutter that is rotated to be misaligned with the driving sliding block is matched and connected with the corresponding limiting protrusion.

[0014] Further provided are specific structures of another connecting part, matching part and limiting arc segment, the connecting part is a connecting groove arranged on the driving sliding block, the limiting arc segment is an arc-shaped limiting groove arranged on the fixed seat, the connecting groove is aligned and connected with the limiting groove when the driving sliding block slides to the tool withdrawing position, the matching part is a matching protrusion arranged on the cutter and used for being matched and connected with the connecting groove and the limiting groove, the matching protrusion is used for sliding along the limiting groove and the connecting groove in the circumferential direction when the rotating seat drives the cutter to rotate, the matching protrusion on the cutter that is rotated to be aligned with the driving sliding block is matched and connected with the connecting groove on the aligned driving sliding block, and the matching protrusion on the cutter that is rotated to be misaligned with the driving sliding block is matched and connected with the corresponding limiting groove.

[0015] Further, the cutters are divided into two groups, a first group and a second group, and the cutters in the first group and the cutters in the second group are arranged alternately along the circumferential direction;

[0016] The rotating seat has at least two cutting positions in the rotating process, wherein the cutting position corresponding to the cutters in the first group is a first cutting position, and the cutting position corresponding to the cutters in the second group is a second cutting position, when the rotating seat rotates to the first cutting position, the cutters in the first group rotate to align with the driving sliding blocks, and then the matching parts on the cutters in the first group are matched and clamped with the connecting parts on the aligned driving sliding blocks, when the rotating seat rotates to the second cutting position, the cutters in the second group rotate to align with the driving sliding blocks, and then the matching parts on the cutters in the second group are matched and clamped with the connecting parts on the aligned driving sliding blocks.

[0017] Further, a support plate for placing a stator assembly is connected to the rotating seat, the support plate is provided with a wire cutting hole for the wire on the stator assembly to pass through, and the cutters are located below the support plate and the cutting edges of the cutters are attached to the lower surface of the support plate.

[0018] Further, a specific structure of the rotating seat is provided, the rotating seat comprises an upper seat body and a lower seat body;

[0019] The lower seat body is rotatably connected to the fixed seat and located on the inner side of the fixed seat;

[0020] The upper seat body is connected to the upper end of the lower seat body;

[0021] The upper seat body is provided with a sliding groove corresponding to each of the cutters, and the cutters are radially and slidingly connected in the corresponding sliding grooves;

[0022] The support plate is connected to the upper seat body;

[0023] The upper seat body is further provided with a plurality of discharge holes located below the cutters and arranged and distributed along the circumferential direction;

[0024] The lower seat body is provided with a discharge passage located below the discharge holes;

[0025] The lower seat body is further connected with a material guide pipe in communication with the lower end of the discharge passage.

[0026] Further, a specific structure of the cutting driving mechanism is provided, the cutting driving mechanism comprises a driving disc, a power assembly, and a transmission component corresponding to the driving sliding blocks;

[0027] The drive disk is rotatably connected to the fixed base, and the drive disk is provided with multiple drive slots;

[0028] The transmission component is connected to the corresponding drive slider, and the transmission component is fitted in the drive groove;

[0029] The power component is connected to the fixed base and to the drive disk, and is used to drive the drive disk to rotate. In turn, the drive slot and the transmission component cooperate to drive the drive slider to move radially.

[0030] Furthermore, the fixing base includes a first base body and a second base body;

[0031] The first seat is located above the second seat and connected to the second seat;

[0032] The drive disk is rotatably disposed between the first base and the second base;

[0033] The second housing is equipped with a planar bearing for supporting the lower end face of the drive disk;

[0034] The inner circumference of the second seat is rotatably connected to a plurality of limiting wheels arranged sequentially along the circumference and abutting against the inner sidewall of the drive disc;

[0035] The second seat is also connected to a wheel seat, and a pressure wheel for pressing down on the upper surface of the drive disc is rotatably connected to the wheel seat.

[0036] Furthermore, the fixing base also includes a limiting retaining ring connected to the inner periphery of the first base body, and the limiting arc segment is disposed on the limiting retaining ring.

[0037] Furthermore, the rotary drive mechanism includes a first bracket, a first motor, a driving gear, and a driven gear;

[0038] The first bracket is connected to the fixed base;

[0039] The first motor is connected to the first bracket;

[0040] The drive gear is connected to the first motor;

[0041] The driven gear is connected to the rotary seat and meshes with the driving gear;

[0042] The power assembly includes a second bracket, a second motor, and a drive gear, and the drive disk has a gear portion on its outer periphery;

[0043] The second bracket is connected to the fixed base;

[0044] The second motor is connected to the second bracket;

[0045] The drive gear is connected to the second motor and meshes with the gear section on the drive disk.

[0046] After adopting the above technical solution, firstly, the cutting drive mechanism drives the drive slider to slide radially outward to the retraction position, so that the connecting part on the drive slider is aligned and connected with the limiting arc segment. Then, the rotation drive mechanism drives the rotating seat to rotate, thereby driving the cutter to rotate. During the rotation, the mating part on the cutter will slide circumferentially along the limiting arc segment and the connecting part. When the rotating seat is driven to one of the cutting positions, a set of cutters corresponding to the cutting position of the rotating seat will rotate to align with the drive slider, and then the mating part on the cutter in the corresponding set will engage with the connecting part on the aligned drive slider. Then, the cutting drive mechanism drives the drive slider to slide radially inward to the infeed position, thereby driving the cutter engaged with the drive slider to move radially inward into place to cut off the wire ends on the stator assembly. After the wire end is removed, the cutting drive mechanism drives the drive slider to slide radially outward to the retraction position, so that the connecting part on the drive slider is re-aligned with the limiting arc segment. Then, the rotary drive mechanism drives the rotary seat to rotate to the next cutting position. At this time, a set of cutters corresponding to the current cutting position of the rotary seat will rotate to align with the drive slider, while the set of cutters previously aligned with the drive slider will rotate to be misaligned with the drive slider. At this time, the mating part on the set of cutters aligned with the drive slider will engage with the connecting part on the aligned drive slider. Then, the cutting drive mechanism drives the drive slider to slide radially inward to the infeed position, thereby driving the cutters engaged with the drive slider to move radially inward to the position to remove the wire end on the stator assembly. Then, the cutting drive mechanism drives the drive slider to slide radially outward to the retraction position, so that the connecting part on the drive slider is re-aligned with the limiting arc segment. Repeating the above steps allows the rotating seat to rotate sequentially to each of the cutting positions, thereby causing each set of cutters to rotate sequentially until they are aligned with the drive slider. Driven by the cutting drive mechanism and the drive sliders, each set of cutters slides inward sequentially into position and cuts off the wire ends on the stator assembly, thus removing all the wire ends from the stator assembly. The drive sliders are provided in multiple locations. Each time the cutting drive mechanism drives the drive sliders to slide radially inward, it drives multiple cutters to move radially inward and cut off the wire ends. Multiple wire ends can be removed in a single cut, greatly improving the efficiency of wire end removal, saving time in the stator assembly cutting process, and increasing the production capacity of the cutting process. Attached Figure Description

[0047] Figure 1 This is a perspective view of the cutting device for a flat wire motor according to the present invention.

[0048] Figure 2 This is a cross-sectional view of the cutting head device for flat wire motors according to this utility model;

[0049] Figure 3 This is an exploded view of the assembly of the fixing base and the drive disc of this utility model;

[0050] Figure 4 for Figure 3 Detailed view of part A in the middle;

[0051] Figure 5 This is a schematic diagram of the structure of the rotating seat, driving slider, cutter and guide tube of this utility model;

[0052] Figure 6 This is a schematic diagram of the structure of the fixed base, rotating base, driving slider and cutter of this utility model;

[0053] Figure 7 for Figure 6 Detailed view of section B in the middle;

[0054] Figure 8 This is a schematic diagram of the structure of the upper body, drive slider, and cutter of this utility model;

[0055] Figure 9 for Figure 8 Detailed view of section C in the middle;

[0056] Figure 10 This is a schematic diagram of the structure of the second seat, upper seat, drive disk, drive slider and cutter of this utility model;

[0057] Figure 11 This is a schematic diagram of the limiting retaining ring, driving slider, and cutting blade of this utility model;

[0058] In the diagram: 1. Fixed seat; 2. Rotary seat; 3. Cutter; 4. Drive slider; 5. Limiting arc segment; 6. Sliding channel; 7. Connecting part; 8. Mating part; 9. Support plate; 10. Cutting hole; 11. Upper seat body; 12. Lower seat body; 13. Sliding groove; 14. Discharge hole; 15. Discharge channel; 16. Guide tube; 17. Drive disc; 18. Transmission component; 19. Drive groove; 20. First seat body; 21. Second seat body; 22. Surface bearing; 23. Limiting wheel; 24. Wheel seat; 25. Pressure wheel; 26. Rotary support bearing; 27. Limiting retaining ring; 28. First bracket; 29. ​​First motor; 30. Drive gear; 31. Driven gear; 32. Second bracket; 33. Second motor; 34. Drive gear; 35. Gear section. Detailed Implementation

[0059] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0060] like Figures 1-11 As shown, a cutting head device for a flat wire motor includes a fixed base 1, a rotating base 2, a rotating drive mechanism, a cutting drive mechanism, multiple cutters 3, and multiple drive sliders 4.

[0061] The rotating seat 2 is rotatably connected to the fixed seat 1 and is located inside the fixed seat 1;

[0062] The cutter 3 is slidably connected to the rotating seat 2 in the radial direction and is arranged at intervals in the circumferential direction;

[0063] The drive slider 4 is slidably connected to the fixed base 1 in the radial direction and is arranged sequentially at intervals on the outside of the cutter 3 in the circumferential direction. The drive slider 4 has a cutting position that slides inward in the radial direction and a cutting position that slides outward in the radial direction.

[0064] The fixed base 1 is provided with a plurality of limiting arc segments 5 arranged sequentially along the circumference. Adjacent limiting arc segments 5 are provided with sliding channels 6 corresponding to the driving slider 4. One end of the driving slider 4 is slidably fitted in the corresponding sliding channel 6. The driving slider 4 is provided with a connecting part 7. When the driving slider 4 slides to the retraction position, the connecting part 7 is aligned and connected with the limiting arc segment 5.

[0065] The cutter 3 is provided with a mating part 8 for engaging with the connecting part 7 and the limiting arc segment 5;

[0066] The rotary drive mechanism is connected to the rotary seat 2. The rotary drive mechanism is used to drive the rotary seat 2 to rotate when the connecting part 7 is aligned with the limiting arc segment 5, thereby driving the cutter 3 to rotate, so that the mating part 8 on the cutter 3 slides circumferentially along the limiting arc segment 5 and the connecting part 7. Specifically, when the cutter 3 rotates to be aligned with the driving slider 4, the mating part 8 on the cutter 3 engages with the connecting part 7 on the aligned driving slider 4. When the cutter 3 rotates to be misaligned with the driving slider 4, the mating part 8 on the cutter 3 engages with the corresponding limiting arc segment 5.

[0067] The cutter 3 is divided into at least two groups. The rotating seat 2 has at least two cutting positions during rotation. Each group of cutters 3 corresponds to at least one cutting position. When the rotating seat 2 rotates to the corresponding cutting position, the cutter 3 in the corresponding group rotates to align with the drive slider 4, thereby making the mating part 8 on the cutter 3 in the corresponding group engage with the connecting part 7 on the aligned drive slider 4.

[0068] The cutting drive mechanism is connected to the drive slider 4 and is used to drive the drive slider 4 to slide radially, thereby driving the cutter 3, which is engaged with the drive slider 4, to move radially.

[0069] Specifically, firstly, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 aligns and engages with the limiting arc segment 5. Then, the rotation drive mechanism drives the rotating seat 2 to rotate, thereby driving the cutter 3 to rotate. During the rotation, the mating part 8 on the cutter 3 slides circumferentially along the limiting arc segment 5 and the connecting part 7. When the rotating seat 2 is driven to rotate to one of the cutting positions, a set of cutters 3 corresponding to the cutting position of the rotating seat 2 will rotate to align with the drive slider 4, and then the mating part 8 on the cutter 3 in the corresponding set will engage with the connecting part 7 on the aligned drive slider 4. Then, the cutting drive mechanism drives the drive slider 4 to slide radially inward to the infeed position, thereby driving the cutter 3 engaged with the drive slider 4 to move radially inward into place to cut off the wire ends on the stator assembly. After the wire ends are removed, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 is re-aligned with the limiting arc segment 5. Then, the rotation drive mechanism drives the rotating seat 2 to rotate to the next cutting position. At this time, a set of cutters 3 corresponding to the current cutting position of the rotating seat 2 will rotate to align with the drive slider 4, while the set of cutters 3 previously aligned with the drive slider 4 will rotate to be misaligned with the drive slider 4. At this time, the mating part 8 on the set of cutters 3 aligned with the drive slider 4 will engage with the connecting part 7 on the aligned drive slider 4. Then, the cutting drive mechanism drives the drive slider 4 to slide radially inward to the infeed position, thereby driving the cutters 3 engaged with the drive slider 4 to move radially inward to their positions to remove the wire ends on the stator assembly. Then, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 is re-aligned with the limiting arc segment 5. Repeating the above steps allows the rotating seat 2 to rotate sequentially to each of the cutting positions, thereby causing each set of cutters 3 to rotate sequentially until they align with the drive slider 4. Driven by the cutting drive mechanism and the drive slider 4, each set of cutters 3 slides inward sequentially to its designated position and cuts off the wire ends on the stator assembly, thus removing all the wire ends from the stator assembly. The drive slider 4 has multiple units; each time the cutting drive mechanism drives the drive slider 4 to slide radially inward, it drives multiple cutters 3 to move radially inward and cut off the wire ends. Multiple wire ends can be removed in a single cut, greatly improving the efficiency of wire end removal, saving time in the stator assembly cutting process, and increasing the production capacity of the cutting process.

[0070] More specifically, the number of cutters 3 exceeds the number of drive sliders 4. During the circumferential rotation of the cutters 3 driven by the rotating seat 2, some cutters 3 will rotate to align with the drive sliders 4, while the remaining cutters 3 will rotate to a misalignment. The mating part 8 on the cutter 3 aligned with the drive slider 4 will engage with the connecting part 7 on the aligned drive slider 4, allowing the drive slider 4 to drive the aligned cutter 3 to move radially. The mating part 8 on the cutter 3 misaligned with the drive slider 4 will engage with the corresponding limiting arc segment 5, ensuring that the radial position of the misaligned cutter 3 remains unchanged. Therefore, when the connecting part 7 aligns with the limiting arc segment 5, the mating parts 8 on all cutters 3 can slide circumferentially along the limiting arc segment 5 and the connecting part 7.

[0071] In this embodiment, the connecting part 7, the mating part 8, and the limiting arc segment 5 can have the following structures: the connecting part 7 is a connecting protrusion provided on the driving slider 4, and the limiting arc segment 5 is an arc-shaped limiting protrusion provided on the fixed base 1. When the driving slider 4 slides to the retraction position, the connecting protrusion and the limiting protrusion are aligned and connected; the mating part 8 is a mating groove provided on the cutter 3 and used to engage with the connecting protrusion and the limiting protrusion. When the rotating base 2 drives the cutter 3 to rotate, the mating groove is used to slide circumferentially along the limiting protrusion and the connecting protrusion. When the cutter 3 rotates to be aligned with the driving slider 4, the mating groove on the cutter 3 engages with the aligned connecting protrusion on the driving slider 4. When the cutter 3 rotates to be misaligned with the driving slider 4, the mating groove on the cutter 3 engages with the corresponding limiting protrusion.

[0072] Of course, in some embodiments, the connecting part 7, the mating part 8, and the limiting arc segment 5 may also have the following structures: the connecting part 7 is a connecting groove provided on the driving slider 4, and the limiting arc segment 5 is an arc-shaped limiting groove provided on the fixed base 1. When the driving slider 4 slides to the retraction position, the connecting groove and the limiting groove are aligned and connected; the mating part 8 is a mating protrusion provided on the cutter 3 and used to engage with the connecting groove and the limiting groove. When the rotating base 2 drives the cutter 3 to rotate, the mating protrusion is used to slide circumferentially along the limiting groove and the connecting groove. When the cutter 3 rotates to be aligned with the driving slider 4, the mating protrusion engages with the connecting groove on the aligned driving slider 4. When the cutter 3 rotates to be misaligned with the driving slider 4, the mating protrusion engages with the corresponding limiting groove.

[0073] In this embodiment, the cutter 3 is divided into two groups, namely the first group and the second group. The cutters 3 in the first group and the cutters 3 in the second group are arranged alternately along the circumference. The rotating seat 2 has at least two cutting positions during rotation. The cutting position corresponding to the cutters 3 in the first group is the first cutting position, and the cutting position corresponding to the cutters 3 in the second group is the second cutting position. When the rotating seat 2 rotates to the first cutting position, the cutters 3 in the first group rotate to align with the driving slider 4, so that the mating part 8 on the cutters 3 in the first group engages with the connecting part 7 on the aligned driving slider 4. When the rotating seat 2 rotates to the second cutting position, the cutters 3 in the second group rotate to align with the driving slider 4, so that the mating part 8 on the cutters 3 in the second group engages with the connecting part 7 on the aligned driving slider 4.

[0074] Specifically, when the rotating seat 2 is driven to rotate to the first cutting position, the first set of cutters 3 will rotate to align with the driving slider 4, while the second set of cutters 3 will be misaligned with the driving slider 4. At this time, the mating part 8 on the cutter 3 in the first set will engage with the connecting part 7 on the aligned driving slider 4, and the mating part 8 on the cutter 3 in the second set will engage with the corresponding limiting arc segment 5. The limiting arc segment 5 can keep the radial position of the second set of cutters 3 unchanged. Then, the cutting drive mechanism drives the driving slider 4 to slide radially inward to the cutting position, thereby driving the first set of cutters 3 to move radially inward into place to cut off the wire ends on the stator assembly. Then, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 is re-aligned with the limiting arc segment 5. Then, the rotation drive mechanism drives the rotating seat 2 to rotate to the second cutting position. At this time, the second set of cutters 3 will rotate to align with the drive slider 4, while the first set of cutters 3 will rotate to be misaligned with the drive slider 4. At this time, the mating part 8 on the second set of cutters 3 will engage with the connecting part 7 on the aligned drive slider 4, and the mating part 8 on the first set of cutters 3 will engage with the corresponding limiting arc segment 5. The limiting arc segment 5 can keep the radial position of the first set of cutters 3 unchanged. Then, the cutting drive mechanism drives the drive slider 4 to slide radially inward to the infeed position, thereby driving the second set of cutters 3 to move radially inward to the position to cut off the wire ends on the stator assembly, thereby cutting off all the wire ends on the stator assembly. In summary, in this embodiment, the cutter 3 is divided into two groups. When the cutting drive mechanism and the drive slider 4 drive the first group of cutters 3 to move radially inward, half of the wire end can be cut off. When the cutting drive mechanism and the drive slider 4 drive the second group of cutters 3 to move radially inward, the other half of the wire end can be cut off. This greatly improves the efficiency of cutting off wire ends, saves the time for cutting the stator assembly, and increases the production capacity of cutting.

[0075] In this embodiment, the number of cutters 3 is twice the number of drive sliders 4, and there are 12 drive sliders 4, with 12 cutters 3 in each of the first and second groups. The first and second cutting positions can each be multiple, with the first cutting positions including at least the positions when the rotating seat 2 rotates to 0°, 30°, 60°, and 90°, and the second cutting positions including at least the positions when the rotating seat 2 rotates to 15°, 45°, 75°, and 105°. Of course, in some embodiments, the cutters 3 can also be divided into 3 groups or more.

[0076] like Figure 1 , 2 As shown in Figure 5, a support plate 9 for placing the stator assembly can be connected to the rotating base 2. The support plate 9 has a cutting hole 10 for the wire ends of the stator assembly to pass through. The cutter 3 is located below the support plate 9, and the blade of the cutter 3 is in contact with the lower surface of the support plate 9. Specifically, when the stator assembly is moved onto the support plate 9, the wire ends of the stator assembly pass downward through the cutting hole 10. When the cutting drive mechanism drives the drive slider 4 to slide radially, thereby driving the cutter 3, which is engaged with the drive slider 4, to move radially inward, the blade of the cutter 3 will move in contact with the lower surface of the support plate 9, thereby cutting off the wire ends passing through the cutting hole 10. When the rotating base 2 rotates, it will cause the cutter 3 and the stator assembly on the support plate 9 to rotate together.

[0077] like Figure 2 , 5 As shown, the rotating base 2 may include an upper base 11 and a lower base 12;

[0078] The lower seat 12 is rotatably connected to the fixed seat 1 and located inside the fixed seat 1;

[0079] The upper seat 11 is connected to the upper end of the lower seat 12;

[0080] The upper seat 11 is provided with a sliding groove 13 corresponding to the cutter 3, and the cutter 3 is slidably connected to the corresponding sliding groove 13 in the radial direction;

[0081] The support plate 9 is connected to the upper seat 11;

[0082] The upper body 11 is also provided with a plurality of discharge holes 14 located below the cutter 3 and arranged sequentially along the circumference;

[0083] The lower seat 12 is provided with a discharge channel 15 located below the discharge hole 14;

[0084] The lower seat 12 is also connected to a guide pipe 16 that communicates with the lower end of the discharge channel 15; specifically, the wire ends cut by the cutter 3 will pass through the discharge hole 14, the discharge channel 15 and the guide pipe 16 in sequence and be discharged.

[0085] like Figure 2 , 3 As shown in Figures 1 and 10, the cutting drive mechanism may include a drive disk 17, a power component, and a transmission component 18 corresponding to the drive slider 4;

[0086] The drive disk 17 is rotatably connected to the fixed base 1, and the drive disk 17 is provided with a plurality of drive grooves 19;

[0087] The transmission component 18 is connected to the corresponding drive slider 4, and the transmission component 18 is fitted in the drive groove 19;

[0088] The power component is connected to the fixed base 1 and connected to the drive disk 17 and is used to drive the drive disk 17 to rotate, thereby driving the drive slider 4 to move radially through the cooperation of the drive groove 19 and the transmission component 18; in this embodiment, the transmission component 18 can be a transmission wheel rotatably connected to the drive slider 4; of course, in some embodiments, the transmission component 18 can also be a transmission pin.

[0089] like Figures 1-11 As shown, the fixing base 1 may include a first base body 20 and a second base body 21;

[0090] The first seat 20 is located above the second seat 21 and connected to the second seat 21;

[0091] The drive disk 17 is rotatably disposed between the first seat 20 and the second seat 21;

[0092] The second seat 21 is equipped with a planar bearing 22 for supporting the lower end face of the drive disk 17;

[0093] Multiple limiting wheels 23 are rotatably connected to the inner periphery of the second seat 21, which are arranged sequentially along the circumference and abut against the inner sidewall of the drive disk 17.

[0094] The second seat 21 is also connected to a wheel seat 24, and a pressure roller 25 for pressing the upper surface of the drive disc 17 is rotatably connected to the wheel seat 24; in this embodiment, the lower seat 12 is rotatably connected to the second seat 21 through a slewing support bearing 26, and the drive slider 4 is slidably connected to the first seat 20 in the radial direction.

[0095] like Figures 3-11As shown, the fixed base 1 may further include a limiting retaining ring 27 connected to the inner periphery of the first base body 20, and the limiting arc segment 5 is disposed on the limiting retaining ring 27.

[0096] like Figure 1 , 2 As shown in Figures 3, 5, and 10, the rotary drive mechanism may include a first support 28, a first motor 29, a drive gear 30, and a driven gear 31.

[0097] The first bracket 28 is connected to the fixed base 1;

[0098] The first motor 29 is connected to the first bracket 28;

[0099] The drive gear 30 is connected to the first motor 29;

[0100] The driven gear 31 is connected to the rotating seat 2 and meshes with the driving gear 30; in this embodiment, the first bracket 28 is connected to the second seat body 21 in the fixed seat 1, and the driven gear 31 is connected to the lower seat body 12 in the rotating seat 2;

[0101] The power assembly may include a second bracket 32, a second motor 33 and a drive gear 34, and a gear portion 35 is provided on the outer periphery of the drive disk 17;

[0102] The second bracket 32 ​​is connected to the fixed base 1;

[0103] The second motor 33 is connected to the second bracket 32;

[0104] The drive gear 34 is connected to the second motor 33 and meshes with the gear portion 35 on the drive disk 17; in this embodiment, the second bracket 32 ​​is connected to the second seat body 21 in the fixed seat 1.

[0105] In summary, firstly, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 aligns and engages with the limiting arc segment 5. Then, the rotation drive mechanism drives the rotating seat 2 to rotate, thereby driving the cutter 3 to rotate. During the rotation, the mating part 8 on the cutter 3 slides circumferentially along the limiting arc segment 5 and the connecting part 7. When the rotating seat 2 is driven to one of the cutting positions, a set of cutters 3 corresponding to the cutting position of the rotating seat 2 will rotate to align with the drive slider 4, and then the mating part 8 on the cutter 3 in the corresponding set will engage with the connecting part 7 on the aligned drive slider 4. Then, the cutting drive mechanism drives the drive slider 4 to slide radially inward to the infeed position, thereby driving the cutter 3 engaged with the drive slider 4 to move radially inward into place to cut off the wire ends on the stator assembly. After the wire ends are removed, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 is re-aligned with the limiting arc segment 5. Then, the rotation drive mechanism drives the rotating seat 2 to rotate to the next cutting position. At this time, a set of cutters 3 corresponding to the current cutting position of the rotating seat 2 will rotate to align with the drive slider 4, while the set of cutters 3 previously aligned with the drive slider 4 will rotate to be misaligned with the drive slider 4. At this time, the mating part 8 on the set of cutters 3 aligned with the drive slider 4 will engage with the connecting part 7 on the aligned drive slider 4. Then, the cutting drive mechanism drives the drive slider 4 to slide radially inward to the infeed position, thereby driving the cutters 3 engaged with the drive slider 4 to move radially inward to their positions to remove the wire ends on the stator assembly. Then, the cutting drive mechanism drives the drive slider 4 to slide radially outward to the retraction position, so that the connecting part 7 on the drive slider 4 is re-aligned with the limiting arc segment 5. Repeating the above steps allows the rotating seat 2 to rotate sequentially to each of the cutting positions, thereby causing each set of cutters 3 to rotate sequentially until they align with the drive slider 4. Driven by the cutting drive mechanism and the drive slider 4, each set of cutters 3 slides inward sequentially to its designated position and cuts off the wire ends on the stator assembly, thus removing all the wire ends from the stator assembly. The drive slider 4 has multiple units; each time the cutting drive mechanism drives the drive slider 4 to slide radially inward, it drives multiple cutters 3 to move radially inward and cut off the wire ends. Multiple wire ends can be removed in a single cut, greatly improving the efficiency of wire end removal, saving time in the stator assembly cutting process, and increasing the production capacity of the cutting process.

[0106] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cutting head device for flat wire motors, characterized in that The utility model relates to a cutting device, including fixed seat (1), rotating seat (2), rotating drive mechanism, cutting drive mechanism, a plurality of cutting knives (3) and a plurality of drive sliding blocks (4); The rotating seat (2) is rotatably connected to the fixed seat (1) and located on the inner side of the fixed seat (1); The cutting knives (3) are slidably connected to the rotating seat (2) in the radial direction and are sequentially and spacedly arranged in the circumferential direction; The drive sliding blocks (4) are slidably connected to the fixed seat (1) in the radial direction and are sequentially and spacedly arranged on the outer side of the cutting knives (3) in the circumferential direction, the drive sliding blocks (4) have an advancing position slidably located inward in the radial direction and a retreating position slidably located outward in the radial direction; The fixed seat (1) is provided with a plurality of limiting arc segments (5) sequentially arranged in the circumferential direction, the limiting arc segments (5) adjacent to each other are provided with sliding fitting channels (6) corresponding to the drive sliding blocks (4), one end of the drive sliding blocks (4) is slidably fitted in the corresponding sliding fitting channels (6), the drive sliding blocks (4) are provided with connecting portions (7), the connecting portions (7) are aligned and connected with the limiting arc segments (5) when the drive sliding blocks (4) are slid to the retreating position; The cutting knives (3) are provided with fitting portions (8) used for cooperating with the connecting portions (7) and the limiting arc segments (5) to be clamped; The rotating drive mechanism is connected to the rotating seat (2), and is used for driving the rotating seat (2) to rotate and further drive the cutting knives (3) to rotate when the connecting portions (7) are aligned and connected with the limiting arc segments (5), so that the fitting portions (8) on the cutting knives (3) are slid in the circumferential direction along the limiting arc segments (5) and the connecting portions (7), wherein the fitting portions (8) on the cutting knives (3) aligned with the drive sliding blocks (4) are clamped with the connecting portions (7) on the aligned drive sliding blocks (4), and the fitting portions (8) on the cutting knives (3) misaligned with the drive sliding blocks (4) are clamped with the corresponding limiting arc segments (5); The cutting knives (3) are divided into at least two groups, the rotating seat (2) has at least two cutting positions in the rotating process, each group of the cutting knives (3) corresponds to at least one cutting position, when the rotating seat (2) rotates to the corresponding cutting position, the cutting knives (3) in the corresponding group are driven to rotate to be aligned with the drive sliding blocks (4), and further the fitting portions (8) on the cutting knives (3) in the corresponding group are clamped with the connecting portions (7) on the aligned drive sliding blocks (4); The cutting drive mechanism is connected to the drive sliding blocks (4) and is used for driving the drive sliding blocks (4) to slide in the radial direction and further drive the cutting knives (3) clamped with the drive sliding blocks (4) to move in the radial direction.

2. The slitting device for flat wire motors according to claim 1, characterized in that The connecting part (7) is a connecting protrusion arranged on the driving slider (4), the limiting arc segment (5) is an arc-shaped limiting protrusion arranged on the fixed seat (1), and the connecting protrusion is aligned and connected with the limiting protrusion when the driving slider (4) slides to the tool withdrawal position; the matching part (8) is a matching groove arranged on the cutter (3) and used for matching and clamping with the connecting protrusion and the limiting protrusion, and the matching groove is used for sliding along the limiting protrusion and the connecting protrusion when the rotating seat (2) drives the cutter (3) to rotate, the matching groove on the cutter (3) aligned with the driving slider (4) is matched and clamped with the connecting protrusion on the driving slider (4) when the cutter (3) is rotated to be aligned with the driving slider (4), and the matching groove on the cutter (3) misaligned with the driving slider (4) is matched and clamped with the corresponding limiting protrusion.

3. The slitting device for flat wire motors according to claim 1, characterized in that The connecting part (7) is a connecting groove arranged on the driving slider (4), the limiting arc segment (5) is an arc-shaped limiting groove arranged on the fixed seat (1), and the connecting groove is aligned and connected with the limiting groove when the driving slider (4) slides to the tool withdrawal position; the matching part (8) is a matching protrusion arranged on the cutter (3) and used for matching and clamping with the connecting groove and the limiting groove, and the matching protrusion is used for sliding along the limiting groove and the connecting groove when the rotating seat (2) drives the cutter (3) to rotate, the matching protrusion on the cutter (3) aligned with the driving slider (4) is matched and clamped with the connecting groove on the driving slider (4) when the cutter (3) is rotated to be aligned with the driving slider (4), and the matching protrusion on the cutter (3) misaligned with the driving slider (4) is matched and clamped with the corresponding limiting groove.

4. The cutting head device for flat wire motor according to claim 1, characterized in that, The cutters (3) are divided into two groups, namely a first group and a second group, and the cutters (3) in the first group and the cutters (3) in the second group are arranged alternately along the circumference; The rotating seat (2) has at least two cutting positions in the rotating process, wherein the cutting position corresponding to the cutters (3) in the first group is a first cutting position, and the cutting position corresponding to the cutters (3) in the second group is a second cutting position, the cutters (3) in the first group are rotated to be aligned with the driving sliders (4) when the rotating seat (2) rotates to the first cutting position, so that the matching parts (8) on the cutters (3) in the first group are matched and clamped with the connecting parts (7) on the driving sliders (4) aligned with each other, and the cutters (3) in the second group are rotated to be aligned with the driving sliders (4) when the rotating seat (2) rotates to the second cutting position, so that the matching parts (8) on the cutters (3) in the second group are matched and clamped with the connecting parts (7) on the driving sliders (4) aligned with each other.

5. The slitter device for flat wire motors according to claim 1, characterized in that, A support plate (9) for placing a stator assembly is connected to the rotating seat (2), the support plate (9) is provided with a tangent hole (10) for the wire end on the stator assembly to pass through, and the cutter (3) is located below the support plate (9) and the cutting edge on the cutter (3) is attached to the lower surface of the support plate (9).

6. The slitting device for flat wire motors according to claim 5, characterized in that The rotating seat (2) comprises an upper seat body (11) and a lower seat body (12); The lower seat body (12) is rotatably connected to the fixed seat (1) and located on the inner side of the fixed seat (1); The upper seat body (11) is connected to the upper end of the lower seat body (12); The upper seat body (11) is provided with a sliding groove (13) corresponding to the cutter (3), and the cutter (3) is radially slidably connected in the corresponding sliding groove (13); The support plate (9) is connected to the upper seat body (11); The upper seat body (11) is further provided with a plurality of discharge holes (14) located below the cutter (3) and arranged in sequence in the circumferential direction; The lower seat body (12) is provided with a discharge channel (15) located below the discharge hole (14); The lower seat body (12) is further connected with a material guide pipe (16) communicating with the lower end of the discharge channel (15).

7. The slitter device for flat wire motors according to claim 1, characterized in that, The cutting drive mechanism comprises a driving disc (17), a power assembly, and a transmission component (18) corresponding to the driving sliding block (4); The driving disc (17) is rotatably connected in the fixed seat (1), and the driving disc (17) is provided with a plurality of driving grooves (19); The transmission component (18) is connected to the corresponding driving sliding block (4), and the transmission component (18) is fitted in the driving groove (19); The power assembly is connected to the fixed seat (1) and connected with the driving disc (17) and used for driving the driving disc (17) to rotate, thereby driving the driving sliding block (4) to move radially through the cooperation of the driving groove (19) and the transmission component (18).

8. The slitting device for flat wire motors according to claim 7, characterized in that The fixed seat (1) comprises a first seat body (20) and a second seat body (21); The first seat body (20) is located above the second seat body (21) and connected to the second seat body (21); The driving disc (17) is rotatably arranged between the first seat body (20) and the second seat body (21); The second seat body (21) is installed with a plane bearing (22) for supporting the lower end face of the driving disc (17); The inner circumferential part of the second seat body (21) is rotatably connected with a plurality of limiting wheels (23) arranged in sequence in the circumferential direction and abutting against the inner side wall of the driving disc (17); The second seat body (21) is further connected with a wheel seat (24), and the wheel seat (24) is rotatably connected with a pressing wheel (25) for pressing the upper surface of the driving disc (17).

9. The slitting device for flat wire motors according to claim 8, characterized in that The fixed seat (1) further comprises a limiting retaining ring (27) connected to the inner circumferential part of the first seat body (20), and the limiting arc segment (5) is arranged on the limiting retaining ring (27).

10. The wire end cutting device for flat wire motor according to claim 7, wherein The rotating driving mechanism comprises a first support (28), a first motor (29), a driving gear (30) and a driven gear (31); The first support (28) is connected to the fixed seat (1); The first motor (29) is connected to the first support (28); The driving gear (30) is connected to the first motor (29); The driven gear (31) is connected to the rotating seat (2) and engaged with the driving gear (30); The power assembly comprises a second support (32), a second motor (33) and a driving gear (34), and the outer circumferential part of the driving disc (17) is provided with a gear part (35); The second support (32) is connected to the fixed seat (1); The second motor (33) is connected to the second support (32); The driving gear (34) is connected to the second motor (33) and engaged with the gear part (35) on the driving disc (17).

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