A wire dynamic overturning winding machine

Abstract

A dynamic wire reversing and winding machine includes a machine base, a wire rotation mechanism, a wire blocking mechanism, a wire pulling mechanism, a wire hooking mechanism, and a winding mechanism. The winding mechanism includes a frame, a drive assembly, a lower die assembly, and an upper die assembly. The lower die assembly includes a lower die drive shaft, a lower fixture seat, a lower panel, and a bending assembly. After each winding turn, the bending assembly lifts to provide a bending fulcrum, the wire pulling mechanism pulls the wire to the bend and places it in the hook groove, and then the hooking mechanism hooks the wires one by one and moves them laterally, achieving interleaving between the wires. The wire rotation mechanism drives the incoming wire segment to rotate back to the center, while the interleaved wires remain interleaved between the upper and lower dies. The winding mechanism performs the next winding turn, winding the interleaved wires into the coil to form a reversible wire layer. This achieves automatic reversing and interleaving of multiple wires during the winding process, completely replacing traditional manual operation and significantly improving production efficiency and product quality.

Description

Technical Field

[0001] This invention relates to the field of winding machine technology, and in particular to a wire dynamic flipping winding machine. Background Technology

[0002] In the manufacture of electronic components such as transformers and inductors, flat coils are a common winding form. However, some special products have specific requirements for the coil. For example, to optimize certain electrical performance, such as further reducing proximity effect losses, optimizing magnetic field distribution, or achieving special electrical connections, a special coil made by winding multiple parallel wires is needed. The multiple wires of this coil do not always maintain a fixed side-by-side position. Instead, after each turn, the wires need to be regularly flipped and crossed in space, so that in the next turn, the flipped and crossed wires will be wound into the second turn, and this process is repeated.

[0003] However, in existing technologies, conventional automatic winding machines are mainly designed for parallel winding where multiple conductors are kept in a fixed parallel position. For processes requiring dynamic changes in the relative positions of multiple conductors after each turn, existing equipment cannot achieve this. Currently, the preparation of these special coils mainly relies on manual winding, a cumbersome process requiring operators to manually pick and reposition each conductor. This not only results in extremely low production efficiency but also makes it difficult to guarantee the consistency, accuracy, and yield of the winding, failing to meet the demands of large-scale, high-quality production. Summary of the Invention

[0004] In view of this, the present invention provides a dynamic reversing winding machine for conductors to solve the above-mentioned technical problems.

[0005] A dynamic wire reversing and winding machine includes a machine base, a wire rotating mechanism, a wire blocking mechanism, a wire pulling mechanism, a wire hooking mechanism, and a winding mechanism. The wire rotating mechanism is used to clamp and rotate multiple wires. The wire pulling mechanism is located between the wire blocking mechanism and the wire hooking mechanism and is used to pull the wires to a specific position. The winding mechanism includes a frame, a drive assembly mounted on the frame, a lower die assembly mounted on the drive assembly, and an upper die assembly mounted on the drive assembly. The lower die assembly includes a component connected to the drive assembly. The assembly includes a lower die drive shaft, a lower fixture seat mounted on the lower die drive shaft, a lower panel mounted on the lower fixture seat, and a bending assembly mounted on the fixture seat. The lower panel has a centrally located through hole, a groove extending radially outward from the inner diameter of the lower panel, a hook groove on one side of the groove, and a bending member through hole on one side of the hook groove. The hook groove extends parallel to the diameter direction of the lower panel and is located between the groove and the bending member. The bending assembly includes a... A bending member is placed inside the through hole of the bending member, and a first spring is disposed between the bending member and the lower panel. The bottom of the bending member passes through the lower jig seat and is used to be pushed. The other end of the bending member is provided with multiple stepped portions. The arrangement direction of the stepped portions is parallel to the diameter direction of the lower panel, and the height of the multiple stepped portions gradually increases from the inner radial direction to the outer radial direction of the lower panel. After each turn of winding is completed, the bending member is controlled to be lifted, and the wire pulling mechanism is activated to pull the wire, causing the wire to bend around the stepped portion as a fulcrum and be pre-positioned in the lower panel. Within the hook groove, the hooking mechanism then sequentially hooks up and moves multiple wires pre-placed within the hook groove, allowing the hooked wires to pass under the remaining wires in space, achieving interleaving between the wires. The wires held by the wire rotation mechanism rotate, causing the wires on the infeed path to twist back to their original position. The wires that have completed the interleaving and are located between the lower die assembly and the upper die assembly remain in an interleaved state. The driving assembly drives the lower die assembly and the upper die assembly to perform the next rotation of the winding mechanism, winding the interleaved wires into the coil.

[0006] Furthermore, the wire rotation mechanism includes a base, a drive motor mounted on the base, a drive gear rotatably mounted on the base, multiple bearings mounted on the base, a driven gear mounted on the bearings, and a wire guide assembly mounted on the driven gear. The base has a wire guide hole. The output end of the drive motor is connected to the center of the drive gear. The multiple bearings are distributed around the edge of the wire guide hole. The driven gear has a ring structure, with its inner ring fitted onto the multiple bearings. The driven gear is coaxially arranged with the wire guide hole. The outer ring of the driven gear has multiple teeth that mesh with the drive gear. When the drive motor drives the drive gear to rotate, it can drive the driven gear to rotate.

[0007] Furthermore, the wire guide assembly includes a first clamping block, a second clamping block, and a plurality of limiting bolts disposed on the first clamping block and the second clamping block. The two ends of the first clamping block are respectively disposed on both sides of the driven gear so as to rotate together with the driven gear. The first clamping block and the second clamping block are spaced apart. The limiting bolts are used to connect the first clamping block and the second clamping block while separating the spaced areas of the two clamping blocks, so that a wire is located between the two limiting bolts.

[0008] Furthermore, the wire-blocking mechanism includes a vertical moving device and a wire-blocking post disposed on the vertical moving device.

[0009] Furthermore, the wire pulling mechanism includes a second three-axis moving device, a mounting rod disposed on the second three-axis moving device, and a plurality of wire dividing rods spaced apart on the mounting rod. The plurality of wire dividing rods are arranged in a straight line, and the wire dividing rods are vertically arranged with both ends extending out of the mounting rod.

[0010] Furthermore, the wire dynamic reversing and winding machine also includes a wire cutting and clamping mechanism mounted on the machine base. The machine base is equipped with a first three-axis moving device, which is used to support, mount, and drive the hooking mechanism and the wire cutting and clamping mechanism to move along three axes. The wire cutting and clamping mechanism includes a first linear motion device mounted on the first three-axis moving device, a wire clamp mounted on the first linear motion device, a second linear motion device mounted on the first three-axis moving device, and a wire cutting clamp mounted on the second linear motion device.

[0011] Furthermore, the lower die assembly also includes a first unloading assembly disposed on the lower fixture seat, and a shaft core movably inserted on the lower die drive shaft. The upper die assembly also includes a second unloading assembly disposed on the upper fixture seat. The first unloading assembly is movably disposed between the lower fixture seat and the lower panel. The second unloading assembly has the same structure and function as the first unloading assembly, and is used to lift the coil after winding to achieve unloading.

[0012] Furthermore, the extension direction of the groove is parallel to the diameter direction of the lower panel, and the groove is used to accommodate the starting wire of the coil.

[0013] Furthermore, the lower plate is also provided with a wire-starting bending block located at one end of the wire groove. The wire-starting bending block is located at the end of the wire groove near the shaft core. The wire-starting bending block is a right triangle with three rounded corners in cross-section, which is used to guide and limit the wire starting.

[0014] Furthermore, the upper mold assembly includes an upper mold drive shaft connected to the drive assembly, an upper fixture seat disposed on the upper mold drive shaft, an upper panel disposed on the upper fixture seat, a second unloading assembly disposed on the upper fixture seat, and a clearance groove disposed on the upper panel. The shape of the clearance groove matches the shape and position of the bent part, and when the bent part extends, it will be inserted into the clearance groove to avoid interference of movement.

[0015] Compared with existing technologies, the dynamic wire reversing and winding machine provided by this invention completely replaces the tedious manual wire picking and repositioning operations through the coordinated control of a wire rotation mechanism, a wire blocking mechanism, a wire pulling mechanism, a wire hooking mechanism, a wire winding mechanism, and a wire cutting and clamping mechanism. Specifically, the wire pulling mechanism drives the mounting rod and the wire separating rod to insert into the wire gap and pull them through the second and third axis moving device, prepositioning the wire onto the stepped portion and the hook groove of the bending component. Subsequently, the hook of the hooking mechanism, driven by the first three axis moving device, sequentially hooks up the wires in the hook groove one by one and moves them laterally, allowing them to pass under other unhooked wires, and then re-clamps them into the gap between the upper and lower dies. This process is repeated to complete the repositioning and interleaving of multiple wires. The height of the multiple stepped portions on the bending component increases sequentially. After each turn, the external device can precisely control the lifting height of the bending component so that the stepped portion of the corresponding turn height is flush with the lower panel, serving as the bending reference for that turn of wire. This ensures that the bending point height of each loop of wire corresponds precisely, resulting in a neat and orderly multi-layered flip structure. After each wire repositioning, the wire rotation mechanism drives the wire guide assembly and the wire it holds to rotate as a whole, causing the wire at the wire inlet to twist back to its correct position. The wire in the hook groove, due to its confinement between the lower and upper mold mechanisms, cannot return to its correct position. Thus, when continuing the next loop of winding, the wire that has already been repositioned and interlaced in the hook groove is orderly wound into the second loop of wire, realizing the coil flip structure. Attached Figure Description

[0016] Figure 1 This invention provides a structural diagram of a dynamic reversing winding machine for conductors.

[0017] Figure 2 for Figure 1 A schematic diagram of the wire rotation mechanism of the dynamic wire reversing winding machine.

[0018] Figure 3 for Figure 1 A schematic diagram of the wire-blocking mechanism of the dynamic reversing winding machine.

[0019] Figure 4 for Figure 1 A schematic diagram of the wire pulling mechanism of the dynamic reversing winding machine.

[0020] Figure 5 for Figure 1 A schematic diagram of the hooking mechanism and the wire cutting and clamping mechanism of the dynamic reversing winding machine for conductors.

[0021] Figure 6 for Figure 1 A schematic diagram of the winding mechanism of the dynamic reversing winding machine for conductors.

[0022] Figure 7 for Figure 1 A schematic diagram of the upper and lower die components of the dynamic winding and reversing wire winding machine.

[0023] Figure 8 for Figure 1 A schematic diagram of the upper and lower die components of the dynamic winding machine for reversing wires from another angle.

[0024] Figure 9 for Figure 1 The exploded structural diagram of the upper and lower die components of the dynamic winding machine for reversing wires.

[0025] Figure 10 for Figure 1 A schematic diagram of the structure of a dynamic reversing winding machine for conductors during the winding process.

[0026] Figure 11 for Figure 1 A schematic diagram of the structure of the dynamic reversing winding machine for conductors during the pulling and hooking of the conductor.

[0027] Figure 12 for Figure 1 The diagram shows the changes in the conductor before and after winding using a dynamic reversing winding machine. Detailed Implementation

[0028] The following provides a more detailed description of specific embodiments of the present invention. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the scope of protection of the present invention.

[0029] like Figures 1 to 12 The diagram shown is a structural schematic of a dynamic wire reversing and winding machine provided by the present invention. The dynamic wire reversing and winding machine includes a machine base 10, a wire rotating mechanism 20 mounted on the machine base 10, a wire blocking mechanism 30 mounted on the machine base 10, a wire pulling mechanism 40 mounted on the machine base 10, a wire hooking mechanism 50 mounted on the machine base 10, a wire cutting and clamping mechanism 60 mounted on the machine base 10, and a winding mechanism 70 mounted on the machine base 10. It is conceivable that the dynamic wire reversing and winding machine also includes other functional modules, such as connecting components, mounting components, etc., which are technologies well known to those skilled in the art and will not be described in detail here.

[0030] The wire rotation mechanism 20 includes a base 21, a drive motor 22 mounted on the base 21, a drive gear 23 rotatably mounted on the base 21, a plurality of bearings 24 mounted on the base 21, a driven gear 25 mounted on the bearings 24, and a wire guide assembly 26 mounted on the driven gear 25.

[0031] The base 21 is used to support the above-mentioned components. The base 21 is a plate-shaped structure and is vertically arranged on the machine base 10. A wire through hole 27 is provided on the base 21.

[0032] The output end of the drive motor 22 is connected to the center of the drive gear 23. Multiple bearings 24 are distributed around the edge of the wire-passing hole 27. The driven gear 25 has a ring structure, with its inner ring fitted onto the multiple bearings 24. The driven gear 25 is coaxially arranged with the wire-passing hole 27, thus supporting its rotation through the bearings 24. The outer ring of the driven gear 25 has multiple teeth that mesh with the drive gear 23, allowing the driven gear 25 to rotate when the drive motor 22 drives the drive gear 23. The wire-passing assembly 26 includes a first clamping block 261, a second clamping block 262, and multiple limiting bolts 263 disposed on the first clamping block 261 and the second clamping block 262. The two ends of the first clamping block 26 are respectively disposed on both sides of the driven gear 25 to rotate with it. The first clamping block 261 and the second clamping block 262 are spaced apart, with the space used for threading wires. The limiting bolts 263 are used to connect the first clamping block 261 and the second clamping block 262, while separating the areas where they are spaced apart. This allows a wire to be positioned between the two limiting bolts 263. When the drive motor 22 drives the driven gear 25 to rotate via the gear set, the entire wire guiding assembly 26 and all the wires it holds will rotate together. This is used to solve the problem of multiple wires becoming entangled due to misalignment during subsequent steps. In this embodiment, there are four wires, each positioned between two limiting bolts 263.

[0033] The wire-blocking mechanism 30 is located between the wire rotating mechanism 20 and the wire-pulling mechanism 40. The wire-blocking mechanism 30 includes a vertical moving device 31 and a wire-blocking post 32 mounted on the vertical moving device 31. The wire output from the wire rotating mechanism 20 passes through the wire-blocking post 32. The wire-blocking post 32 provides a fixed fulcrum. Located in the wire path, the post bends at the post 32 when the wire is pulled by a subsequent mechanism, thus changing its direction of movement and serving a positioning and guiding function.

[0034] The wire-pulling mechanism 40 is located between the wire-blocking mechanism 30 and the wire-hooking mechanism 50. The wire-pulling mechanism 40 includes a second three-axis moving device 41, a mounting rod 42 mounted on the second three-axis moving device 41, and multiple branching rods 43 spaced apart on the mounting rod 42. The multiple branching rods 43 are arranged in a straight line, vertically positioned, and extend from the mounting rod 42 at both ends, thus forming multiple spaced branching rods 43 on the upper and lower surfaces of the mounting rod 42, allowing each wire to be positioned between two adjacent branching rods 43. The wire-pulling mechanism 40 is used to move the mounting rod 42 along three axes via the second three-axis moving device 41 when wire pulling is required, causing the multiple spaced branching rods 43 to insert between multiple wires. Then, it performs another three-axis movement to pull the wires into position. A detailed explanation will follow in conjunction with the winding process.

[0035] The machine base 10 is equipped with a first three-axis moving device 11. The first three-axis moving device 11 is used to support, set, and drive the hooking mechanism 50 and the wire cutting and clamping mechanism 60 to move along three axes, so as to control the two to perform the winding work. Specifically, the hooking mechanism 50 includes a bracket 51 and a hook 52 set on the bracket 51. The hook 52 is used to move along three axes under the action of the first three-axis moving device 11, so that the originally parallel wires are moved to intersect, thereby making the originally parallel wires intersect in space. A detailed explanation will be given below in conjunction with the winding process.

[0036] The wire-cutting and clamping mechanism 60 includes a first linear motion device 61 mounted on the first three-axis moving device 11, a wire clamp 62 mounted on the first linear motion device 61, a second linear motion device 63 mounted on the first three-axis moving device 11, and a wire-cutting clamp 64 mounted on the second linear motion device 63. Both the wire clamp 62 and the wire-cutting clamp 64 can move horizontally independently under the drive of their respective linear motion devices, moving towards or away from the wire. The wire clamp 62 is used to clamp and secure the wire when needed, such as when preparing to cut or adjust the wire. The wire-cutting clamp 64 is used to cut the wire after all winding processes are completed.

[0037] The winding mechanism 70 includes a frame 71, a drive assembly 72 disposed on the frame 71, a lower die assembly 73 disposed on the drive assembly 72, an upper die assembly 74 disposed on the drive assembly 72, and a wire clamp assembly 75 disposed on the lower die assembly 73.

[0038] The frame 71 has a U-shaped structure and is used to support the above-mentioned functional modules. Therefore, the frame 71 is provided with a variety of functional structures, such as screws, bolts, through holes, etc., to complete the installation and assembly of the above-mentioned functional modules. It can be set according to actual needs, and will not be described in detail here.

[0039] The drive assembly 72 is used to drive the lower die assembly 73 and the upper die assembly 74 to rotate synchronously for winding. Simultaneously, the lower die assembly 73 and the upper die assembly 74 can move axially independently during rotation to achieve die separation or closure. The drive assembly 72 typically consists of a rotary motor, belt, bearings, a lead screw moving device, coupling, sliding sleeve, and connecting plate. The output shaft of the rotary motor is connected to the drive shafts of the upper and lower die assemblies 74 and 73 via the belt, so that the rotation of the output shaft of the rotary motor drives the drive shafts of the upper and lower die assemblies 74 and 73 to rotate synchronously. The lead screw moving device drives the lower die assembly 73 and the upper die assembly 74 axially. The drive assembly 72 is similar to the synchronous transmission mechanism in a hollow coil winding machine disclosed in patent application CN202321061739.4; therefore, the drive assembly 72 should be considered prior art and will not be described further here.

[0040] The lower mold assembly 73 includes a lower mold drive shaft 731, a lower fixture seat 732 disposed on the lower mold drive shaft 731, a lower panel 733 disposed on the lower fixture seat 732, a first unloading assembly 734 disposed on the lower fixture seat 732, a bending assembly 735 disposed on the fixture seat 12, and a shaft core 736 movably inserted into the lower mold drive shaft 731.

[0041] The lower mold drive shaft 731 is disposed on the frame 71 and connected to the drive assembly 72. Under the drive of the drive assembly 72, the lower mold drive shaft 731 can drive the lower mold assembly 73 to rotate and independently control the axial movement of the shaft core 736.

[0042] One end face of the lower jig seat 732 is connected to the lower mold drive shaft 731, and the other end face is provided with the lower panel 733. The lower jig seat 732 is cylindrical and has a through hole in the center for the shaft core 736 to pass through. The lower jig seat 732 is used to support the various components of the lower mold assembly 73.

[0043] The lower panel 733 is coaxially arranged with the lower fixture seat 732. The lower panel 733 is provided with a central through hole 7331, a wire groove 7332 extending radially from the inner diameter of the lower panel 733, a hook groove 7333 on one side of the wire groove 7332, a bending through hole 7334 on one side of the hook groove 7333, and a wire-starting bending block 7335 at one end of the wire groove 7332.

[0044] The extension direction of the groove 7332 is parallel to the diameter direction of the lower panel 733, and the groove 7332 is used to accommodate the starting wire of the coil. The starting wire bending block 7335 is located at one end of the groove 7332 near the shaft core 736. The starting wire bending block 7335 is a right triangle with a cross-section of rounded corners on all three sides. It is used to guide and limit the starting wire, which will be explained in detail below in conjunction with the winding process.

[0045] The extension direction of the hook groove 7333 is parallel to the diameter direction of the lower panel 733. The hook groove 7333 is located between the wire groove 7332 and the bending member 7334. The hook groove 7333 is used to bend the wire into the hook groove 7333 after each turn of winding is completed by the bending component 735. Then, the hooking mechanism 50 is used to move the original parallel wires one by one to a new position, so that the original parallel wires intersect in space. A detailed explanation will be given below in conjunction with the winding process. The through hole 7334 of the bending member is located at the end of the wire groove 13 near the through hole 7331. It is used to prevent the bending component 735 from passing through the lower panel 733.

[0046] The first feeding assembly 734 is movably disposed between the lower fixture base 732 and the lower panel 733. The first feeding assembly 734 includes multiple heat dissipation grooves disposed on the lower panel, a movably disposed feeding tray, a feeding plate vertically disposed on the feeding tray, a drive shaft connected to the feeding tray, and a spring providing a reset force. The heat dissipation grooves are elongated and circumferentially distributed with the center of the through hole 7331 as the center point. In a free state, the spring causes the feeding plate to retract into the heat dissipation grooves of the lower panel 733, avoiding interference with the winding process. During feeding, the drive assembly 72 pushes the feeding tray via the drive shaft, causing the feeding plate to extend out of the heat dissipation grooves and lift the coil, achieving automatic feeding. The first feeding assembly 734 is existing technology and will not be described further here.

[0047] The bending assembly 735 includes a bending member 7351 disposed within the bending member through hole 7334, and a first spring 7352 disposed between the bending member 7351 and the lower panel 733.

[0048] The bottom of the bending member 7351 passes through the lower fixture seat 732 and is pushed by an external device to control the raising of the bending member 7351. The other end of the bending member 7351 is provided with multiple stepped portions 7353, the arrangement direction of the stepped portions 7353 is parallel to the diameter direction of the lower panel 733, and the height of the multiple stepped portions 7353 gradually increases from the inner radial direction to the outer radial direction of the lower panel 733. The first spring 7352, under its own elastic force, causes the bending member 7351 to move toward the lower fixture seat 732, so that the bending member 7351 retracts into the bending member through hole 7334 in a free state. Each step portion 7353 corresponds to a coil of wire. For example, when bending the second coil of wire, the height is controlled by pushing the bending member 7351 through an external device, so that the lowest step portion 7353 is flush with the lower panel 733. When bending the third coil of wire, the height is controlled again so that the second lowest step portion 7353 is flush with the lower panel 733, and so on. The bending member 7351 is used to bend the wire. Specifically, after each turn of winding is completed, the bending member 7351 is controlled to be lifted so that the step portion 7353 corresponding to the height of the number of turns is flush with the surface of the lower panel 733. The wire pulling mechanism 40 is activated, the wire separating rod 43 is inserted between multiple wires, and the wires are pulled to bend with the step portion 7353 as the fulcrum, and are pre-placed in the hook groove 7333.

[0049] The shaft core 736 passes through the lower fixture seat 732, the first feeding assembly 734, and the lower panel 733, and can move axially under the control of the drive assembly 72. Before winding, the shaft core 736 is flush with the lower panel 733 to prevent interference with wire threading. During winding, the shaft core 736 extends out to serve as the axis of winding, so that the wire can be wound around the shaft core 736 to form a coil.

[0050] The upper mold assembly 74 includes an upper mold drive shaft 741, an upper fixture seat 742 disposed on the upper mold drive shaft 741, an upper panel 743 disposed on the upper fixture seat 742, a second unloading assembly 744 disposed on the upper fixture seat 742, and a clearance groove 745 disposed on the upper panel 743.

[0051] The upper mold drive shaft 741 is mounted on the frame 71 and connected to the drive assembly 72. Under the drive of an external drive device, the upper mold drive shaft 741 can drive the upper mold assembly 74 to rotate.

[0052] One end face of the upper fixture base 742 is connected to the upper mold drive shaft 741, and the other end face is provided with the upper panel 743. The structure of the upper fixture base 742 is the same as that of the lower fixture base 732, both being cylindrical, and it is used to support the various components of the upper mold mechanism 20. The upper panel 743 is coaxially arranged with the upper fixture base 742.

[0053] The second feeding assembly 744 has the same structure and function as the first feeding assembly 734. It also includes a heat dissipation groove, a movable feeding tray, a feeding plate vertically mounted on the feeding tray, a drive shaft connected to the feeding tray, and a spring providing a return force. Both are used to lift the coil after winding by an external device, allowing simultaneous feeding from both the upper and lower molds with the first feeding assembly 734, ensuring winding quality and preventing sticking during feeding.

[0054] The shape of the clearance groove 745 matches the shape and position of the bent member 7351. When the bent member 7351 extends, it will insert into the clearance groove 745 to avoid interference with movement.

[0055] The wire-starting clamp assembly 75 is disposed on the lower mold assembly 73 and rotates together with the lower mold assembly 73. The wire-starting clamp assembly 75 is used to clamp one end of the wire to clamp the coil wire. The wire-starting clamp assembly 75 should be existing technology and will not be described in detail here.

[0056] Before winding, multiple wires are output from the external wire storage drum. These wires pass side-by-side through the wire-passing assembly 26 of the wire rotating mechanism 20. Each wire is confined between the first clamping block 261 and the second clamping block 262, and separated by the limiting bolt 263. The wires continue through the wire-blocking post 32 of the wire-blocking mechanism 30, and finally, after passing through the wire groove 7332, are clamped by the wire-lifting clamp assembly 75. Figure 10 As shown in the first part. Then, the lower mold assembly 73 and the upper mold assembly 74 close the mold with a certain gap, at which point the shaft core 736 is flush with the lower panel 733. Next, the lower mold mechanism 10 and the upper mold mechanism 20 rotate 90 degrees, causing the wire to bend against the wire bending block 7335, thereby completing the bending and fixing of the wire, as shown. Figure 10As shown in the second part. Next, the shaft core 736 extends from the lower panel 733 as the winding shaft core, and the gap between the lower mold assembly 73 and the upper mold assembly 74 is the space for the wire. The lower mold mechanism 10 and the upper mold mechanism 20 rotate one revolution in opposite directions to complete the first revolution of winding. The wire flipping part of each revolution of the coil is carried out in turns during the winding process. After each revolution, bending and hooking actions are needed to make the wire intersect in space, preparing for the wire flipping of the next revolution. The first revolution does not involve flipping; therefore, the winding of the second and third revolutions is taken as an example. After completing the first rotation, the rotation stops at a preset angle, causing the hook groove 7333 to face at a certain angle to the wire conveying direction. An external device pushes the bending assembly 735, causing the step portion 7353 corresponding to the height of the first rotation to extend. Simultaneously, the wire pulling mechanism 40 activates, driving the mounting rod 42 and the branching rod 43 to move via the second three-axis moving device 41. The branching rod 43 hooks and pulls the wires, bending multiple wires at the step portion 7353 as the bending point and pulling them into the top of the hook groove 7333. Simultaneously, because the wires are pulled by the branching rod 43, they will bend again at the branching rod 43 as the bending point. Figure 11 As shown in Part 1.

[0057] Next, the hook 52 of the hooking mechanism 50 actuates, sequentially hooking up the multiple wires already located at the top of the hook groove 7333 and pulled by the pulling mechanism 40, moving them laterally through the bottom of the hook groove 733. Because the wires are pulled by the dividing rod 43 and bent at the dividing rod 43 as the bending point, and one end of the wire is still fixed by the wire clamp assembly and tensioned by the mechanism, when a single wire is released from the constraint of the dividing rod 43, it will be straightened again and inserted between the lower mold mechanism 10 and the upper mold mechanism 20. Figure 11 Part Two and Figure 12 As shown in Part 1. Furthermore, since a single wire passes through the hook groove 7333 and then through multiple wires that have not yet been hooked, the position of the wire changes, causing misalignment between them. This process repeats for each wire, resulting in a flipped and interlaced arrangement of the wires. Additionally, since hooking causes misalignment not only within the hook groove 7333 but also at the wire rotating mechanism 20, the wire rotating mechanism 20 needs to rotate 180 degrees after hooking to align a row of wires in their flipped positions, correcting the misaligned wires at the rotating mechanism 20 and eliminating subsequent wire entanglement. However, the misaligned wires within the hook groove 7333 cannot be corrected because they are located between the lower mold mechanism 10 and the upper mold mechanism 20. This completes the flipping of the wires and the correction of subsequent wires, as described in the following process. Figure 12 As shown.

[0058] Finally, the lower die mechanism 10 and the upper die mechanism 20 continue the winding rotation. During the second winding, the misaligned wire in the hook groove 7333 is wound into the coil body. After the second winding is completed, the wire flipping operation is repeated to form the third winding of the misaligned wire, and this process is repeated for the required number of turns. After winding is completed, the coil is heated and fixed by an external heating device, which softens the insulation layer of the enameled wire and allows it to better adhere after cooling, thereby achieving the purpose of fixation.

[0059] Compared with existing technologies, the dynamic wire reversing and winding machine provided by this invention completely replaces the tedious manual wire picking and repositioning operations through the coordinated control of the wire rotation mechanism 20, the wire blocking mechanism 30, the wire pulling mechanism 40, the wire hooking mechanism 50, the wire winding mechanism 70, and the wire cutting and clamping mechanism 60. Specifically, the wire pulling mechanism 40 drives the mounting rod 42 and the wire separating rod 43 to insert into the wire gap and pull them through the second three-axis moving device 41, prepositioning the wire onto the step portion 7353 and the hook groove 7333 of the bending assembly 735. Subsequently, the hook needle 52 of the hooking mechanism 50, driven by the first three-axis moving device 40, sequentially hooks up the wires in the hook groove 7333 and moves them laterally, allowing them to pass under other unhooked wires, and then re-clamps them into the gap between the upper and lower dies. This process is repeated to complete the repositioning and interleaving of multiple wires. The height of the multiple stepped portions 7353 on the bending member 7351 increases sequentially. After each turn, the external device can precisely control the lifting height of the bending member 7351, so that the stepped portion 7353 of the corresponding turn height is flush with the lower panel 733, serving as the bending reference for that turn of wire. This ensures that the bending point height of each turn of wire is precisely corresponding, resulting in a neat and orderly multi-layer flipped structure. After each wire repositioning, the wire rotation mechanism 20 can drive the wire guide assembly 26 and the wire it holds to rotate as a whole, causing the wire at the wire inlet end to twist back to the correct position. The wire in the hook groove 7333, due to being confined between the lower mold mechanism 10 and the upper mold mechanism 20, cannot return to the correct position. Therefore, when continuing the next turn of winding, the wire that has already been repositioned and interlaced in the hook groove 7333 is orderly wound into the second turn of wire, realizing the coil flipped structure.

[0060] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions or improvements within the spirit of the present invention are covered within the scope of the claims of the present invention.

Claims

1. A dynamic reversing and winding machine for conductors, characterized in that: The dynamic wire reversing and winding machine includes a machine base, a wire rotating mechanism, a wire blocking mechanism, a wire pulling mechanism, a wire hooking mechanism, and a winding mechanism. The wire rotating mechanism is used to clamp and rotate multiple wires. The wire pulling mechanism is located between the wire blocking mechanism and the wire hooking mechanism and is used to pull the wires to a specific position. The winding mechanism includes a frame, a drive assembly mounted on the frame, a lower die assembly mounted on the drive assembly, and an upper die assembly mounted on the drive assembly. The lower die assembly includes a component connected to the drive assembly. The device comprises a lower die drive shaft, a lower fixture seat disposed on the lower die drive shaft, a lower panel disposed on the lower fixture seat, and a bending assembly disposed on the fixture seat. The lower panel has a centrally located through hole, a groove extending radially outward from the inner diameter of the lower panel, a hook groove disposed on one side of the groove, and a bending member through hole disposed on one side of the hook groove. The hook groove extends parallel to the diameter direction of the lower panel and is located between the groove and the bending member. The bending assembly includes a... The bending member is located within the through hole of the bending member, and a first spring is disposed between the bending member and the lower panel. The bottom of the bending member passes through the lower jig seat and is used to be pushed. The other end of the bending member is provided with multiple stepped portions. The arrangement direction of the steps is parallel to the diameter direction of the lower panel, and the height of the multiple steps gradually increases from the inner radial direction to the outer radial direction of the lower panel. After each turn of winding is completed, the bending member is controlled to be lifted, and the wire pulling mechanism pulls the wire, causing the wire to bend around the stepped portion as a fulcrum and be pre-positioned in the lower panel. Within the hook groove, the hooking mechanism then sequentially hooks up and moves multiple wires pre-placed within the hook groove, allowing the hooked wires to pass under the remaining wires in space, achieving interleaving between the wires. The wires held by the wire rotation mechanism rotate, causing the wires on the infeed path to twist back to their original position. The wires that have completed the interleaving and are located between the lower die assembly and the upper die assembly remain in an interleaved state. The driving assembly drives the lower die assembly and the upper die assembly to perform the next rotation of the winding mechanism, winding the interleaved wires into the coil.

2. The wire dynamic reversing and winding machine as described in claim 1, characterized in that: The wire rotation mechanism includes a base, a drive motor mounted on the base, a drive gear rotatably mounted on the base, multiple bearings mounted on the base, a driven gear mounted on the bearings, and a wire guide assembly mounted on the driven gear. The base has a wire guide hole. The output end of the drive motor is connected to the center of the drive gear. The multiple bearings are distributed around the edge of the wire guide hole. The driven gear has a ring structure, with its inner ring fitted onto the multiple bearings. The driven gear is coaxial with the wire guide hole. The outer ring of the driven gear has multiple teeth that mesh with the drive gear. When the drive motor drives the drive gear to rotate, it can drive the driven gear to rotate.

3. The wire dynamic reversing and winding machine as described in claim 2, characterized in that: The wire guide assembly includes a first clamping block, a second clamping block, and a plurality of limiting bolts disposed on the first clamping block and the second clamping block. The two ends of the first clamping block are respectively disposed on both sides of the driven gear so as to rotate together with the driven gear. The first clamping block and the second clamping block are spaced apart. The limiting bolts are used to connect the first clamping block and the second clamping block while separating the spaced areas of the two clamping blocks, so that a wire is located between the two limiting bolts.

4. The wire dynamic reversing and winding machine as described in claim 1, characterized in that: The wire-blocking mechanism includes a vertical moving device and a wire-blocking post disposed on the vertical moving device.

5. The conductor dynamic reversing and winding machine as described in claim 1, characterized in that: The wire pulling mechanism includes a second three-axis moving device, a mounting rod disposed on the second three-axis moving device, and multiple wire dividing rods spaced apart on the mounting rod. The multiple wire dividing rods are arranged in a straight line, and the wire dividing rods are vertically arranged with both ends extending out of the mounting rod.

6. The conductor dynamic reversing and winding machine as described in claim 1, characterized in that: The wire dynamic reversing and winding machine also includes a wire cutting and clamping mechanism mounted on the machine base. The machine base is equipped with a first three-axis moving device, which is used to support, mount, and drive the hooking mechanism and the wire cutting and clamping mechanism to move along three axes. The wire cutting and clamping mechanism includes a first linear motion device mounted on the first three-axis moving device, a wire clamp mounted on the first linear motion device, a second linear motion device mounted on the first three-axis moving device, and a wire cutting clamp mounted on the second linear motion device.

7. The wire dynamic reversing and winding machine as described in claim 1, characterized in that: The lower die assembly further includes a first unloading assembly disposed on the lower fixture seat, and a shaft core movably inserted on the lower die drive shaft. The upper die assembly further includes a second unloading assembly disposed on the upper fixture seat. The first unloading assembly is movably disposed between the lower fixture seat and the lower panel. The second unloading assembly has the same structure and function as the first unloading assembly, and is used to lift the coil to unload it after winding is completed.

8. The conductor dynamic reversing and winding machine as described in claim 1, characterized in that: The extension direction of the groove is parallel to the diameter direction of the lower panel, and the groove is used to accommodate the starting wire of the coil.

9. The conductor dynamic reversing and winding machine as described in claim 1, characterized in that: The lower plate is also provided with a wire-starting bending block located at one end of the wire groove. The wire-starting bending block is located at the end of the wire groove near the shaft core. The wire-starting bending block is a right triangle with three rounded corners in cross-section, which is used to guide and limit the wire starting.

10. The wire dynamic reversing and winding machine as described in claim 1, characterized in that: The upper mold assembly includes an upper mold drive shaft connected to the drive assembly, an upper fixture seat disposed on the upper mold drive shaft, an upper panel disposed on the upper fixture seat, a second unloading assembly disposed on the upper fixture seat, and a clearance groove disposed on the upper panel. The shape of the clearance groove matches the shape and position of the bent part. When the bent part extends, it will insert into the clearance groove to avoid interference with the movement.

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