Four-station stator internal winding machine capable of preventing tail wire from being scattered

Abstract

The utility model relates to the technical field of series motor stator internal winding machines, in particular to a four-station stator internal winding machine with no scattered tail wires, which comprises a machine base and a machine body, the machine body is mounted on the surface of the machine base, and the machine body comprises an upper wire pulling assembly, a lower wire pulling assembly, a portal frame assembly, a station assembly, an upper buckling die assembly and a lower buckling die assembly. According to the utility model, through automatic accurate control of the upper and lower cylinders and the left and right cylinders, the problem of scattering of the tail wire after winding is effectively prevented, the tail wire is ensured to be tightly attached to the interior of a stator slot, the quality and consistency of products are greatly improved, accurate operation of the wire pushing die and a 90-degree wire changing function ensure correct positioning and fixing of the tail wire, and the production efficiency is improved. Compared with the prior art, errors in manual operation are reduced, the defective rate is reduced, in addition, the inner winding machine can process a plurality of stations at the same time, the production efficiency is remarkably improved, the labor intensity of workers is relieved, and complexity and instability in traditional manual operation are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of a series-excited motor stator inner winding machine, in particular to a four-station stator inner winding machine with tail wires not being scattered. Background Art

[0002] Stator winding technology is widely used in the motor manufacturing industry, and the quality of stator winding directly impacts motor performance and service life. In traditional stator winding production, handling the tail wire has always been a technical challenge, especially when performed manually. The scattered and difficult-to-fix tail wire often leads to inconsistent winding quality, impacting the electrical performance and mechanical reliability of the final product. Existing stator winding equipment generally relies on manual handling of the tail wire, a method that is not only inefficient but also prone to significant errors. Workers are unable to precisely control the position and tightness of the tail wire during operation, often causing the tail wire to become loose or slip after winding. Especially in multi-station production, manual operation makes it difficult to ensure consistent tail wire handling at every station, increasing product defect and substandard product rates. Furthermore, the low level of automation in traditional equipment makes it ineffective for efficient large-scale production. In modern manufacturing, mass production of stators requires high-precision, high-efficiency equipment. However, existing winding equipment struggles to achieve the required high-quality, consistent product quality due to its unstable tail wire handling. Furthermore, due to the high level of human intervention during the winding process, quality issues such as tail wire disarray and stator short circuits are prone to occur. In the existing technology, the tail wire processing module still has defects. For example, the tail wire cannot be automatically fixed after the winding is completed, or the fixation is not firm, resulting in loose wires, short circuits and other faults in the stator during subsequent use. These problems not only increase the rework rate in the production process, but also have an adverse impact on the service life and stability of the final product. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a four-station stator inner winding machine with no loose tail wires, comprising a machine base and a machine body, wherein the machine body is mounted on the surface of the machine base, the machine body comprising an upper wire pulling assembly, a lower wire pulling assembly, a gantry assembly, a station assembly, an upper buckle mold assembly and a lower buckle mold assembly, the upper wire pulling assembly comprising an upper non-loosening upper and lower cylinder, an upper guide column and guide sleeve, an upper non-loosening left and right cylinder and an upper wire pulling rod, the lower wire pulling assembly comprising a lower non-loosening upper and lower cylinder, a lower guide column and guide sleeve, a lower non-loosening left and right cylinder and a lower wire pulling rod, the gantry assembly comprising a stator fixed plate, a winding die head, a winding flying fork and a mold fixed plate, a rodless cylinder being fixedly mounted on the surface of the stator fixed plate, a wire pushing mold, a non-loosening wire pushing cylinder and a non-loosening front mold closing cylinder being fixedly mounted on the surface of the mold fixed plate, and a magnet fixing seat being fixedly mounted on the side of the mold fixed plate.

[0005] Preferably, the upper wire pulling assembly also includes an upper front-to-back adjustment bearing and an upper wire hanging cylinder, and the lower wire pulling assembly also includes a lower front-to-back adjustment bearing and a lower wire hanging cylinder. This allows the device to be adjusted in the front-to-back direction, further enhancing its flexibility and ensuring that it can adapt to stators of different sizes and specifications. This also helps improve the accuracy of the wire pulling operation, reduce errors, and enhance the stability of the production process. The wire hanging cylinder simplifies the workpiece clamping and wire hanging process, speeding up the operation process and reducing manual adjustments and downtime.

[0006] Preferably, the gantry assembly drives the winding fork to wind the wire through a rodless cylinder, and drives the winding mold to close the mold through a front mold-closing cylinder that does not loosen the wire. The front mold-closing cylinder that does not loosen the wire is slidably connected on the front and rear guide rails of the front mold-closing cylinder, and the wire-pushing mold performs linear motion by driving the guide column and guide sleeve of the wire-pushing cylinder. Here, the use of a rodless cylinder to drive the winding fork can achieve more efficient automated winding operations, reduce the need for manual intervention, and improve the automation level of the equipment, thereby reducing winding deviations and ensuring that the coil is wound more evenly and tightly. By driving the mold to close the mold through the front mold-closing cylinder that does not loosen the wire, the wire is ensured to be well fixed, avoiding loosening or displacement of the wire during the winding process, thereby reducing the risk of product damage that may be caused during the production process.

[0007] Preferably, the upper buckle mold assembly is equipped with an upper mold paperboard and an upper thickness adjustment plate, and the lower buckle mold assembly is equipped with a lower mold paperboard and a lower thickness adjustment plate. The upper and lower mold paperboards effectively protect the wire and mold, reducing wear and damage caused by direct contact, and extending the service life of the mold and wire. The upper and lower thickness adjustment plates allow for flexible adjustment of the mold thickness during production to accommodate different product requirements and wire specifications, further enhancing the versatility of the equipment.

[0008] Preferably, the upper mold paperboard has an upper paperboard hole formed on its surface, and the lower mold paperboard has a lower paperboard hole formed on its surface. This makes it easier for operators to observe and position the wire, and also facilitates necessary cleaning and maintenance during the production process, preventing the accumulation of impurities that could affect equipment performance. Furthermore, the paperboard holes allow for quick positioning and adjustment of the wire, significantly shortening adjustment time and improving equipment operating efficiency. Furthermore, the paperboard holes ensure that the wire remains fixed as it enters and exits the mold, preventing it from slipping or misalignment, effectively improving winding accuracy and stability.

[0009] Compared with the prior art, the advantages and positive effects of the present invention are:

[0010] In the utility model, through the precise control of the upper and lower cylinders and the left and right cylinders, the problem of the tail wire being scattered after the winding is completed can be effectively prevented, ensuring that the tail wire fits tightly in the stator slot, greatly improving the quality and consistency of the product. The precise operation of the wire pushing mold and the 90-degree wire changing function ensure the correct positioning and fixation of the tail wire, reducing errors in manual operation and lowering the defective rate. In addition, the inner winding machine can process multiple workstations at the same time, significantly improving production efficiency, reducing the labor intensity of workers, and avoiding the complexity and instability of traditional manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model proposes a complete assembly diagram of a four-station stator inner winding machine with no loose tail wires;

[0012] Figure 2 The utility model proposes a gantry overall assembly diagram of a four-station stator inner winding machine with no loose tail wires;

[0013] Figure 3 The utility model proposes a wire pulling assembly diagram for a four-station stator inner winding machine with no loose tail wires;

[0014] Figure 4 The utility model proposes a lower wire pulling assembly diagram of a four-station stator inner winding machine with no loose tail wires;

[0015] Figure 5 This is the assembly diagram of the gantry part of the four-station stator inner winding machine for the utility model;

[0016] Figure 6 The utility model proposes an assembly diagram of the upper buckle die of a four-station stator inner winding machine with no loose tail wires;

[0017] Figure 7 The utility model proposes a lower buckle die assembly diagram of a four-station stator inner winding machine with no loose tail wires;

[0018] Figure 8 The utility model provides an assembly diagram of a winding die head of a four-station stator inner winding machine with no loose tail wires.

[0019] Legend:

[0020] 1. Machine base; 2. Machine body; 21. Upper wire pulling assembly; 211. Upper wire holding cylinder; 212. Upper guide post and guide sleeve; 213. Upper wire holding cylinder; 214. Upper front-to-back adjustment bearing; 215. Upper wire pulling rod; 216. Upper wire hanging cylinder; 22. Lower wire pulling assembly; 221. Lower wire holding cylinder; 222. Lower guide post and guide sleeve; 223. Lower wire holding cylinder; 224. Lower front-to-back adjustment bearing; 225. Lower wire pulling rod; 226. Lower wire hanging cylinder; 23. Gantry assembly; 231. Stator fixing plate; 232. Winding die head; 233. Winding flying fork; 234. Rodless cylinder; 235. Wire pushing mold; 236. Guide pin and guide sleeve of wire pushing cylinder; 237. Mold fixing plate; 238. Magnet fixing seat; 239. Wire pushing cylinder for preventing wire from loosening; 2310. Front mold clamping cylinder for preventing wire from loosening; 2311. Front and rear guide rails of front mold clamping cylinder; 24. Work station assembly; 25. Upper buckle mold assembly; 251. Upper mold paper guard; 252. Hole of upper paper guard; 253. Upper thickness adjustment plate; 26. Lower buckle mold assembly; 261. Lower mold paper guard; 262. Hole of lower paper guard; 263. Lower thickness adjustment plate. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example

[0024] See also Figure 1-8The utility model provides a technical solution: a four-station stator inner winding machine with no loose tail wires, comprising a machine base 1 and a machine body 2, wherein the machine body 2 is mounted on the surface of the machine base 1, and the machine body 2 comprises an upper wire pulling assembly 21, a lower wire pulling assembly 22, a gantry assembly 23, a station assembly 24, an upper buckle mold assembly 25, and a lower buckle mold assembly 26. The upper wire pulling assembly 21 comprises an upper non-loose wire upper and lower cylinder 211, an upper guide column guide sleeve 212, an upper non-loose wire left and right cylinder 213, and an upper wire pulling rod 215. The lower wire pulling assembly 22 comprises a lower non-loose wire upper and lower cylinder 221, a lower guide column guide sleeve 222, a lower non-loose wire left and right cylinder 223, and a lower wire pulling rod 225. The upper wire pulling assembly 21 also comprises an upper front and rear adjustment bearing 214 and an upper wire hanging cylinder 216. The lower wire pulling assembly 22 also comprises The lower front and rear adjustment bearings 224 and the lower wire hanging cylinder 226 enable the equipment to be adjusted in the front and rear directions, further improving the flexibility of the equipment and ensuring that the equipment can adapt to stators of different sizes and specifications. At the same time, it helps to improve the accuracy of the wire pulling operation, reduce errors, and improve the stability of the production process. The wire hanging cylinder simplifies the clamping and wire hanging process of the workpiece, speeds up the operation process, and reduces manual adjustment and downtime. The gantry assembly 23 includes a stator fixing plate 231, a winding die head 232, a winding flying fork 233 and a mold fixing plate 237. The surface of the stator fixing plate 231 is fixedly installed with a rodless cylinder 234, and the surface of the mold fixing plate 237 is fixedly installed with a wire pushing mold 235, a non-loosening wire pushing cylinder 239 and a non-loosening wire pushing cylinder. The front mold clamping cylinder 2310 and the side of the mold fixing plate 237 are fixedly installed with a magnet fixing seat 238. The gantry assembly 23 drives the winding fork 233 to wind the wire through the rodless cylinder 234, and drives the winding mold to be clamped through the front mold clamping cylinder 2310 without loosening the wire. The front mold clamping cylinder 2310 without loosening the wire is slidably connected on the front and rear guide rails 2311 of the front mold clamping cylinder. The wire pushing mold 235 drives the wire pushing cylinder guide column and guide sleeve 236 to perform linear motion. The use of the rodless cylinder 234 to drive the winding fork 233 can achieve more efficient automated winding operations, reduce the need for manual intervention, and improve the automation level of the equipment, thereby reducing winding deviations and ensuring that the coil is wound more evenly and tightly. It is driven by the front mold clamping cylinder 2310 without loosening the wire. The mold closing ensures the good fixation of the wire and avoids the loosening or displacement of the wire during the winding process, thereby reducing the risk of product damage during the production process. The upper buckle mold assembly 25 is provided with an upper mold paperboard 251 and an upper thickness adjustment plate 253, and the lower buckle mold assembly 26 is provided with a lower mold paperboard 261 and a lower thickness adjustment plate 263. The upper mold paperboard 251 and the lower mold paperboard 261 can effectively protect the wire and the mold, reduce the wear and damage caused by direct contact, and extend the service life of the mold and the wire. The upper thickness adjustment plate 253 and the lower thickness adjustment plate 263 allow the thickness setting of the mold to be flexibly adjusted according to different product requirements during the production process to adapt to different wire specifications, further improving the versatility of the equipment.The upper mold paperboard 251 is provided with an upper paperboard hole 252, and the lower mold paperboard 261 is provided with a lower paperboard hole 262. These holes facilitate observation and positioning of the wire by the operator, and facilitate necessary cleaning and maintenance during the production process, preventing the accumulation of impurities that may affect equipment performance. Furthermore, the paperboard holes allow for quick positioning and adjustment of the wire, significantly reducing adjustment time and improving equipment efficiency. Furthermore, they ensure that the wire remains fixed as it enters and exits the mold, preventing it from slipping or misalignment, effectively improving winding accuracy and stability.

[0025] Working principle: When the equipment is working, when the winding fork 233 is winding the last circle, the PLC controls the winding fork 233 to rotate from the original 0 degree position to 180 degrees and stop, reserving sufficient operating space for the tail wire pushing process. At this stage, the upper wire pulling component 21 and the lower wire pulling component 22 work together. For the upper wire pulling component 21, the upper and lower cylinders 211 of the upper non-loose wire are extended synchronously, and the 90-degree upper wire pulling rod 215 is accurately adjusted to the position between the winding die head 232 and the winding fork 233, and lower than the winding wire nozzle. Subsequently, the left and right cylinders 213 of the upper non-loose wire are extended synchronously, and the tail wire is forced to the edge of the stator slot paper, achieving seamless fit with the surface of the stator slot paper, with the purpose of making the tail wire as far as possible. The amount of the side, at this time the upper non-scattered line upper and lower cylinders 211 retract, the tail wire is hooked back upwards through the 216 hook to reduce the risk of displacement caused by its elastic recovery, the tail wire has been raised above the winding die 232, then the non-scattered line pushing cylinder 239 extends out, the wire pushing die 235 pushes the tail wire into the hole of the upper paperboard 252 with a gap of about 1 mm, so that it is close to the end face of the stator chip about 90 degrees, at this time, the upper non-scattered line left and right cylinders 213 retract, at this time the winding fork 233 rotates from 180 degrees to 360 degrees, the wire tail will slide along the winding die 232 to the position closest to the paperboard, at this time the wire tail will be in an inverted V shape, and the winding fork 233 returns to 0 degrees. The next step is to move the gantry cylinder and the non-scattered line to the side. The wire pushing cylinder 239 retracts at the same time, and its purpose is to tighten the wire tail during the retreat process so that the wire tail can be at the position closest to the stator end face. Without the action of external force, the wire tail will stay at the sharpest point of the wire package. During this process, the tail wire is accurately stuck in the fixed point to complete the final fixation of the tail wire, ensuring that the tail wire will not become loose or slip in subsequent links. For the lower wire pulling assembly 22, the lower non-loose wire upper and lower cylinders 221 are extended synchronously, and the 90-degree lower wire pulling rod 225 is accurately adjusted to the position between the winding die head 232 and the winding fork 233, and lower than the winding wire mouth. Then the lower non-loose wire left and right cylinders 223 are extended synchronously to force the tail wire to the edge of the stator slot paper, and realize the surface of the stator slot paper. The goal of seamless bonding is to keep the tail wire as close to the edge as possible. At this point, the lower retaining wire upper and lower cylinders 221 retract, and the tail wire is hooked back downwards by hook 226, reducing the risk of displacement caused by its elastic recovery. The tail wire has been raised above the winding die head 232. Subsequently, the retaining wire pushing cylinder 239 extends, and the wire pushing die 235 pushes the tail wire into the hole of the lower paperboard 262, leaving a gap of about 1 mm, so that it is approximately 90 degrees close to the end face of the stator chip. At this time, the lower retaining wire left and right cylinders 223 retract, and the winding flyer 233 rotates from 180 degrees to 360 degrees. The tail wire slides along the winding die head 232 to the position closest to the paperboard 262, at which point the tail wire forms an inverted V shape, and the winding flyer 233 returns to 0 degrees.The next step is to retract the gantry cylinder and the wire-holding push cylinder 239 simultaneously. The purpose is to tighten the wire tail during the retraction process so that the wire tail is closest to the stator end face. In the absence of external force, the wire tail will stay at the sharpest point of the wire package.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A four-station stator inner winding machine with no loose tail wires, comprising a machine base (1) and a machine body (2), characterized in that: The machine body (2) is mounted on the surface of the machine base (1). The machine body (2) comprises an upper wire pulling assembly (21), a lower wire pulling assembly (22), a gantry assembly (23), a station assembly (24), an upper buckle mold assembly (25) and a lower buckle mold assembly (26). The upper wire pulling assembly (21) comprises an upper non-loosening wire upper and lower cylinder (211), an upper guide column guide sleeve (212), an upper non-loosening wire left and right cylinder (213) and an upper wire pulling rod (215). The lower wire pulling assembly (22) comprises a lower non-loosening wire upper and lower cylinder (221), a lower guide column guide sleeve (222), a lower non-loosening wire left and right cylinder (213) and an upper wire pulling rod (215). The invention relates to a right cylinder (223) and a lower wire pulling rod (225), wherein the gantry assembly (23) comprises a stator fixing plate (231), a winding die head (232), a winding flying fork (233) and a mold fixing plate (237), wherein a rodless cylinder (234) is fixedly installed on the surface of the stator fixing plate (231), a wire pushing mold (235), a wire-proof wire pushing cylinder (239) and a wire-proof front clamping cylinder (2310) are fixedly installed on the surface of the mold fixing plate (237), and a magnet fixing seat (238) is fixedly installed on the side of the mold fixing plate (237).

2. The four-station stator inner winding machine with tail wire not scattered according to claim 1 is characterized in that: The upper wire pulling assembly (21) further comprises an upper front-back adjusting bearing (214) and an upper wire hanging cylinder (216), and the lower wire pulling assembly (22) further comprises a lower front-back adjusting bearing (224) and a lower wire hanging cylinder (226).

3. The four-station stator inner winding machine with tail wires not scattered according to claim 1 is characterized in that: The gantry assembly (23) drives the winding flying fork (233) to wind the wire through the rodless cylinder (234), and drives the winding mold to close the mold through the front mold closing cylinder (2310) that does not loosen the wire. The front mold closing cylinder (2310) that does not loosen the wire is slidably connected on the front and rear guide rails (2311) of the front mold closing cylinder, and the wire pushing mold (235) performs linear motion by driving the wire pushing cylinder guide column and guide sleeve (236).

4. The four-station stator inner winding machine with tail wires not scattered according to claim 1 is characterized in that: The upper buckle mold assembly (25) is provided with an upper mold paperboard (251) and an upper thickness adjustment plate (253), and the lower buckle mold assembly (26) is provided with a lower mold paperboard (261) and a lower thickness adjustment plate (263).

5. The four-station stator inner winding machine with tail wires not scattered according to claim 4 is characterized in that: An upper mold paperboard hole (252) is provided on the surface of the upper mold paperboard (251), and a lower mold paperboard hole (262) is provided on the surface of the lower mold paperboard (261).

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