A winding and punching device for trapezoidal wire filter screen and a control method thereof

Abstract

The application relates to a trapezoidal wire filtering screen winding and punching device, which comprises a rack, trapezoidal wires, a trapezoidal wire winding mold, a punching assembly and a cutting knife. A feeding hole for the trapezoidal wires is arranged on the rack, the trapezoidal wire winding mold is arranged above the feeding hole, the trapezoidal wires are wound in the trapezoidal wire winding mold after coming out of the feeding hole, the trapezoidal wire winding mold fixes and limits the trapezoidal wires, the cutting knife is arranged on one side of the feeding hole and is fixed on the rack, and the punching assembly is arranged on the upper side of the trapezoidal wire winding mold. The application aims at solving the technical problem that the existing technology cannot punch the whole shaped wire winding, thereby reducing the winding punching efficiency.

Description

Technical Field

[0001] This invention relates to the field of metal punching, and more specifically to a trapezoidal wire filter screen wire winding punching device and its control method. Background Technology

[0002] In existing technology, trapezoidal wire filter screens are a type of wedge-shaped wire wound screen tube. Wedge-shaped wire wound screen tubes are widely used in oil, gas, and water well sand control, and are particularly important in chemical and environmental protection industries. They are the most widely used type of filter screen tube in various oil and water resource recovery and resin collection filter media processes. Johnson T-shaped wire wound screen tubes adopt the world's most advanced fully wound welding production process, using specially made stainless steel trapezoidal (wedge-shaped) wire wound onto a set of longitudinally arranged longitudinal support rods in a circular pattern, thus ensuring their strength and service life.

[0003] However, since most existing wedge wire screens are welded, the high temperature during operation and the metal wire make the wire prone to deformation. Therefore, a wire-threading and punching method has emerged in the existing technology. However, the existing punching technology can only straighten the wire and punch holes one by one, which greatly reduces the punching efficiency of the wire. If it is desired to punch the shaped wire as a whole, the non-parallel cross-section of the wire makes it impossible to stack the wires for punching.

[0004] Therefore, developing a trapezoidal wire filter screen wire punching device that can address the technical problem of low wire punching efficiency caused by the inability to punch the shaped wire as a whole is an urgent problem to be solved. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides a trapezoidal wire filter screen winding and punching device, which is implemented by the following technical solution:

[0006] A trapezoidal wire filter screen winding and punching device includes a frame, trapezoidal wire, trapezoidal wire winding die, punching assembly, and cutting blade. The frame is provided with an inlet hole for feeding the trapezoidal wire. The frame is also provided with a first limiting groove and a second limiting groove, which are concentric circles. The second limiting groove is located inside the first limiting groove. The trapezoidal wire winding die is located above the inlet hole. After the trapezoidal wire comes out of the inlet hole, it winds inside the trapezoidal wire winding die. During the feeding process, the trapezoidal wire winding die limits the movement of the trapezoidal wire. After the feeding is completed, the trapezoidal wire winding die fixes and limits the trapezoidal wire. The cutting blade is located on one side of the inlet hole and fixed on the frame. The punching assembly is located on the upper side of the trapezoidal wire winding die and is used to vertically punch the trapezoidal wire.

[0007] Furthermore, the trapezoidal wire winding mold includes a limiting sleeve and a winding cylinder. The limiting sleeve is installed in the first limiting groove, and the winding cylinder is installed in the second limiting groove. The annular space formed between the limiting sleeve and the winding cylinder allows the trapezoidal wire to move.

[0008] Furthermore, the outer wall of the winding cylinder is provided with multiple limiting fins. The cross-section of the limiting fin is trapezoidal, the slope of the hypotenuse of the limiting fin is equal to the slope of the hypotenuse of the trapezoidal wire, the short side of the limiting fin is parallel to the long side of the trapezoidal wire, a limiting block is provided on the short side surface of the limiting fin, and a limiting groove is provided on the limiting sleeve corresponding to the position of the limiting block. The limiting fin is connected to the winding cylinder through a hydraulic telescopic device, and the limiting fin can be hidden inside the winding cylinder with only the limiting block exposed.

[0009] Furthermore, the punching assembly includes three punching cutters arranged circumferentially, forming a circle. The three punching cutters are evenly distributed, and the limiting fins are arranged on both sides of the punching path of the three punching cutters. The two limiting fins arranged on both sides of the punching path of one punching cutter form a limiting fin group. The slopes of the upper and lower surfaces formed by the two limiting fins in each limiting fin group are equal to the helical slope of the trapezoidal wire winding. The space formed by the upper and lower limiting fin groups corresponds to the cross-sectional area of ​​the trapezoidal wire winding.

[0010] Furthermore, in the limiting fin group, an infrared sensor is provided at the position between the last limiting fin that the trapezoidal wire passes through and the adjacent limiting fin in the vertical direction. The infrared sensor is located on the outer wall of the winding cylinder and does not affect the winding path of the trapezoidal wire, ensuring that the trapezoidal wire can pass smoothly.

[0011] Furthermore, the punching assembly includes a limiting ring group, which includes a first limiting ring and a second limiting ring. The first and second limiting rings are the same size and correspond to the circle formed by the punching cutter. The first and second limiting rings are provided with limiting holes for the punching cutter to pass through. Three connecting rods are connected to the outer wall of the first limiting ring. The three connecting rods are evenly arranged circumferentially, and the connection points of one end of each connecting rod to the first limiting ring are staggered from the positions of the limiting holes. The other end of each connecting rod is connected to a sliding tube. The upper structure of the punching assembly is provided with three sliding holes, and the sliding tube can slide in the sliding holes. The limiting ring is positioned within the sliding hole. Three connecting rods are connected to the outer wall of the limiting ring two. These three connecting rods are evenly spaced circumferentially, and the connection points between one end of each connecting rod and the limiting ring two are offset from the position of the limiting hole. A sliding rod is connected to the other end of each connecting rod, allowing the sliding rod to slide within the sliding tube and be positioned within it. Initially, the limiting ring one is fitted onto the middle of the punching cutter, and the limiting ring two is fitted onto the punching cutter near its end. When punching reaches its end, the top of the punching cutter, the limiting ring one, the limiting ring two, and the trapezoidal wire winding die overlap and contact each other. Upon completion of the punching operation, all components return to their initial state.

[0012] The present invention also provides a control method for a trapezoidal wire filter screen winding and punching device, comprising the following steps:

[0013] A. Place the initially formed trapezoidal wire under the frame, align the end of the trapezoidal wire with the feed hole, drive other mechanisms to start feeding the trapezoidal wire into the feed hole, and start winding the trapezoidal wire inside the trapezoidal wire winding mold.

[0014] B. During the winding process of the trapezoidal wire, each time the trapezoidal wire blocks an infrared sensor, the corresponding limiting fin group extends from the inner wall of the winding cylinder to correct the winding path of the trapezoidal wire and limit the track winding of the trapezoidal wire.

[0015] C. When the trapezoidal wire is wound to the end, that is, when the trapezoidal wire blocks the last infrared sensor, the last limiting fin group extends and stops the winding of the trapezoidal wire.

[0016] D. Start punching, the punching assembly is pressed down, and the punching cutter punches vertically through the trapezoidal wire;

[0017] E. After punching, the cutting blade cuts the bottom of the trapezoidal wire, and the limiting fins retract completely into the winding cylinder. The operator can then remove the punched trapezoidal wire from the trapezoidal wire winding mold to complete the punching of a single trapezoidal wire. The punching device can then repeat steps A to E.

[0018] After adopting the above technical solution, the beneficial effects of the present invention are:

[0019] 1. In this invention, the trapezoidal wire winding die effectively limits and fixes the trapezoidal wire. When the punching assembly performs punching operations, the assembly will not be unable to perform the overall punching due to the non-parallelism of the upper and lower sides of the trapezoidal wire's cross-section, thus improving punching efficiency and ensuring punching quality. The inner and outer limiting components ensure that the trapezoidal wire does not shift during punching operations, greatly improving punching quality. The two limiting rings significantly reduce the occurrence of long punch cutter breakage during the punching process. Simultaneously, the telescopic sleeve structure reduces the space required for the limiting rings to extend and retract, making the structural arrangement of the device more rational.

[0020] 2. In this invention, the limiting fins not only limit and fix the trapezoidal wire, but also, due to their trapezoidal cross-section, facilitate the correction of the trapezoidal wire winding around the guide during extension. Furthermore, the telescopic design of the limiting fins allows them to retract after the punching operation, facilitating rapid demolding of the punched trapezoidal wire. Positioning the limiting fins on both sides of the punching location provides concentrated reinforcement to the trapezoidal wire structure at that point, ensuring punching quality while reducing the number of limiting fins, resulting in a more rational device structure. The inclusion of infrared sensors enhances the intelligence of the trapezoidal wire winding mold, allowing the device to acquire the positional status of the trapezoidal wire, thereby improving control accuracy.

[0021] 3. In the control method of the present invention, the trapezoidal wire is limited from the time it is fed into the material, which greatly improves the positioning accuracy of the trapezoidal wire, improves the punching efficiency, and ensures the punching quality. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of a trapezoidal wire filter screen winding and punching device provided for an embodiment of this application.

[0024] Figure 2 A schematic diagram of the frame portion of a trapezoidal wire filter screen winding and punching device provided for embodiments of this application.

[0025] Figure 3 A schematic diagram of the trapezoidal wire winding die structure of a trapezoidal wire filter screen winding and punching device provided for the embodiments of this application.

[0026] Figure 4 A schematic diagram of the winding cylinder structure of a trapezoidal wire filter screen winding and punching device provided in this application embodiment.

[0027] Figure 5 This is a schematic diagram of the trapezoidal wire winding die in the unwound state of a trapezoidal wire filter screen winding and punching device provided for the embodiments of this application.

[0028] Figure 6 This is a schematic diagram of the trapezoidal wire winding die in the winding state of a trapezoidal wire filter screen winding and punching device provided for the embodiments of this application.

[0029] Figure 7 This is a schematic diagram of the punching assembly structure of a trapezoidal wire filter screen winding punching device provided for the embodiments of this application.

[0030] Figure 8 This is a schematic diagram of the punching state of a trapezoidal wire filter screen winding punching device provided for the embodiments of this application.

[0031] Figure 9 A schematic diagram of a trapezoidal wire finished product provided by a trapezoidal wire filter screen winding and punching device according to an embodiment of this application.

[0032] Explanation of reference numerals in the attached figures:

[0033] 100-Frame, 101-Feed hole, 102-Limiting groove one, 103-Limiting groove two, 200-Trapezoidal wire, 300-Trapezoidal wire winding die, 301-Limiting sleeve, 302-Winding cylinder, 303-Limiting fin, 304-Limiting block, 305-Limiting groove three, 306-Infrared sensor, 400-Punching assembly, 401-Punching knife, 402-Limiting ring one, 403-Limiting ring two, 404-Limiting hole, 405-Connecting rod, 406-Sliding tube, 407-Sliding hole, 408-Sliding rod, 500-Cutting knife. Detailed Implementation

[0034] The following description of the embodiments will help the public to better understand the present invention. However, the specific embodiments provided by the applicant should not and should not be regarded as a limitation on the technical solution of the present invention. Any change to the definition of components or technical features, or any formal but not substantive transformation of the overall structure, should be regarded as the scope of protection defined by the technical solution of the present invention.

[0035] In this application, unless otherwise expressly specified or limited, the terms "installation," "connection," "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components; they can refer to mere surface contact; or they can refer to surface contact connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0036] This invention is achieved using the following technical solution:

[0037] like Figure 1 and Figure 2 As shown, a trapezoidal wire filter screen winding and punching device includes a frame 100, a trapezoidal wire 200, a trapezoidal wire winding die 300, a punching assembly 400, and a cutting blade 500. The frame 100 is provided with an inlet hole 101 for feeding the trapezoidal wire 200. The frame 100 is also provided with a first limiting groove 102 and a second limiting groove 103, which are concentric circles. The second limiting groove 103 is located inside the first limiting groove 102. The trapezoidal wire winding die 300 is positioned above the inlet hole 101. After the filament 200 comes out of the feed hole 101, it is wound inside the trapezoidal filament winding die 300. During the feeding process of the trapezoidal filament 200, the trapezoidal filament winding die 300 limits the movement of the trapezoidal filament 200. After the trapezoidal filament 200 is fed, the trapezoidal filament winding die 300 fixes and limits the trapezoidal filament 200. The cutting blade 500 is set on one side of the feed hole 101 and fixed on the frame 100. The punching assembly 400 is set on the upper side of the trapezoidal filament winding die 300 and is used to punch the trapezoidal filament 200 vertically.

[0038] Using the above-mentioned device, the trapezoidal wire 200 can be well limited and fixed by setting the trapezoidal wire winding mold 300. When the punching assembly 400 performs punching operation, the punching assembly 400 will not be unable to perform the overall punching due to the non-parallelism of the upper and lower sides of the cross section of the trapezoidal wire 200. This improves the punching efficiency and ensures the punching quality.

[0039] like Figure 3 As shown, the trapezoidal wire winding mold 300 includes a limiting sleeve 301 and a winding cylinder 302. The limiting sleeve 301 is installed in the limiting groove 102, and the winding cylinder 302 is installed in the limiting groove 103. The annular space formed between the limiting sleeve 301 and the winding cylinder 302 allows the trapezoidal wire 200 to move.

[0040] By adopting the above settings, the inner and outer limit components can ensure that the trapezoidal wire 200 will not shift during the punching operation, which greatly improves the punching quality.

[0041] like Figure 4 and Figure 5As shown, a plurality of limiting fins 303 are provided on the outer wall of the winding cylinder 302. The cross-section of the limiting fin 303 is trapezoidal. The slope of the hypotenuse of the limiting fin 303 is equal to the slope of the hypotenuse of the trapezoidal wire 200. The short side of the limiting fin 303 is parallel to the long side of the trapezoidal wire 200. A limiting block 304 is provided on the short side surface of the limiting fin 303. A limiting groove 305 is provided on the limiting sleeve 301 corresponding to the position of the limiting block 304. The limiting fin 303 is connected to the winding cylinder 302 through a hydraulic telescopic device. The limiting fin 303 can be hidden inside the winding cylinder 302 and only the limiting block 304 is exposed.

[0042] With the above configuration, the limiting fin 303 not only limits and fixes the trapezoidal wire 200, but also, since the limiting fin 303 has a trapezoidal cross-section, it is convenient for the limiting fin 303 to correct the trapezoidal wire 200 around the wire track during the extension process. In addition, due to the telescopic configuration of the limiting fin 303, the limiting fin 303 can be retracted after the punching operation is completed, which facilitates the quick demolding of the punched trapezoidal wire 200.

[0043] like Figure 6 and Figure 7 As shown, the punching assembly 400 includes three punching cutters 401 arranged circumferentially, forming a circle. The three punching cutters 401 are evenly distributed. The limiting fins 303 are arranged on both sides of the punching path of the three punching cutters 401. Two limiting fins 303 arranged on both sides of the punching path of one punching cutter 401 form a limiting fin group. The slope of the upper and lower surfaces formed by the two limiting fins 303 in each limiting fin group is equal to the helical slope of the trapezoidal wire 200. The space formed by the upper and lower limiting fin groups corresponds to the cross-sectional area of ​​the trapezoidal wire 200.

[0044] By adopting the above configuration, placing the limiting fins 303 on both sides of the punching position can concentrate and reinforce the trapezoidal wire 200 structure at the punching position, ensuring the punching quality while reducing the number of limiting fins 303, making the structure of the device more reasonable.

[0045] like Figure 5 As shown, in the limiting fin group, an infrared sensor 306 is provided in the position between the last limiting fin 303 that the trapezoidal wire 200 passes through and the adjacent limiting fin 303 in the vertical direction. The infrared sensor 306 is located on the outer wall of the winding cylinder 302 and does not affect the winding path of the trapezoidal wire 200, ensuring that the trapezoidal wire 200 can pass smoothly.

[0046] By adopting the above configuration, the infrared sensor 306 can improve the intelligence of the trapezoidal wire winding mold 300, making it easier for the device to obtain the position status of the trapezoidal wire 200, thereby improving the control accuracy.

[0047] like Figure 7 and Figure 8 As shown, the punching assembly 400 includes a limiting ring group, which includes a first limiting ring 402 and a second limiting ring 403. The first limiting ring 402 and the second limiting ring 403 are the same size and correspond to the circle formed by the punching cutter 401. The first limiting ring 402 and the second limiting ring 403 are provided with limiting holes 404 for the punching cutter 401 to pass through. The outer wall of the first limiting ring 402 is connected to three connecting rods 405, which are evenly arranged circumferentially. The connection point of one end of the three connecting rods 405 to the first limiting ring 402 is staggered from the position of the limiting hole 404. The other end of the connecting rod 405 is connected to a sliding tube 406. The upper structure of the punching assembly 400 is provided with three sliding holes 407, and the sliding tube 406 can pass through the sliding holes 407. The limiting ring 403 slides and is limited in the sliding hole 407. Three connecting rods 405 are connected to the outer wall of the limiting ring 403. The three connecting rods 405 are evenly arranged circumferentially, and the connection point between one end of each connecting rod and the limiting ring 403 is offset from the position of the limiting hole 404. The other end of each connecting rod 405 is connected to a sliding rod 408, which can slide and be limited in the sliding tube 406. Initially, the limiting ring 402 is fitted in the middle of the punching cutter 401, and the limiting ring 403 is fitted near the end of the punching cutter 401. When punching reaches the end, the top of the punching cutter 401, the limiting ring 402, the limiting ring 403, and the trapezoidal wire winding die 300 overlap and contact each other. When the punching operation is completed, all components return to their initial state.

[0048] By adopting the above configuration, the two limiting rings greatly reduce the occurrence of tool breakage accidents during the punching process of the long punch 401. At the same time, the structure of the telescopic sleeve reduces the space required for the extension and retraction of the limiting rings, making the structural layout of the device more reasonable.

[0049] The present invention also provides a control method for a trapezoidal wire filter screen winding and punching device, comprising the following steps:

[0050] F. Place the initially formed trapezoidal wire 200 under the frame 100, align the end of the trapezoidal wire 200 with the feed hole 101, drive other mechanisms to start feeding the trapezoidal wire 200 into the feed hole 101, and start winding the trapezoidal wire 200 inside the trapezoidal wire winding mold 300.

[0051] G. During the winding process of the trapezoidal wire 200, each time the trapezoidal wire 200 blocks an infrared sensor 306, the corresponding limiting fin group extends from the inner wall of the winding cylinder 302 to correct the winding path of the trapezoidal wire 200 and limit the track winding of the trapezoidal wire 200.

[0052] H. When the trapezoidal wire 200 is wound to the end, that is, when the trapezoidal wire 200 blocks the last infrared sensor 306, the last limiting fin group extends and stops the winding of the trapezoidal wire 200.

[0053] I. Start punching, the punching assembly 400 presses down, and the punching cutter 401 punches vertically into the trapezoidal wire 200;

[0054] J. After punching is completed, the cutting blade 500 cuts the bottom end of the trapezoidal wire 200, and the limiting fins 303 are all retracted into the winding cylinder 302. The operator can then take the punched trapezoidal wire 200 out of the trapezoidal wire winding mold 300 to complete the punching of a single trapezoidal wire 200. The punching device can then repeat steps A to E.

[0055] By adopting the above control method, the trapezoidal wire 200 is limited from the time it is fed into the machine, which greatly improves the positioning accuracy of the trapezoidal wire 200, improves the punching efficiency, and ensures the punching quality.

[0056] Those skilled in the art should understand that variations can be implemented by combining existing technology with the above embodiments, which will not be elaborated here. Such variations do not affect the essence of the present invention, and will not be elaborated here either.

[0057] The preferred embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and the devices and structures not described in detail should be understood as being implemented in a conventional manner in the art. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention using the methods and techniques disclosed above, or modify them into equivalent embodiments with equivalent changes, without departing from the scope of the present invention. This does not affect the essential content of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the present invention's technical solutions still fall within the protection scope of the present invention.

Claims

1. A device for perforating trapezoidal wire filter screens, characterized in that: The device includes a frame, trapezoidal wire, trapezoidal wire winding die, punching assembly, and cutting blade. The frame has an inlet hole for feeding the trapezoidal wire. The frame also has a first limiting groove and a second limiting groove, which are concentric circles. The second limiting groove is located inside the first limiting groove. The trapezoidal wire winding die is located above the inlet hole. After the trapezoidal wire comes out of the inlet hole, it winds inside the trapezoidal wire winding die. During the feeding process, the trapezoidal wire winding die limits the movement of the trapezoidal wire. After the feeding is completed, the trapezoidal wire winding die fixes and limits the trapezoidal wire. The cutting blade is located on one side of the inlet hole and fixed on the frame. The punching assembly is located on the upper side of the trapezoidal wire winding die and is used to punch vertical holes in the trapezoidal wire.

2. The trapezoidal wire filter screen winding and punching device according to claim 1, characterized in that, The trapezoidal wire winding mold includes a limiting sleeve and a winding cylinder. The limiting sleeve is installed in the first limiting groove, and the winding cylinder is installed in the second limiting groove. The annular space formed between the limiting sleeve and the winding cylinder allows the trapezoidal wire to move.

3. The trapezoidal wire filter screen wire winding and punching device according to claim 2, characterized in that, The outer wall of the winding cylinder is provided with multiple limiting fins. The cross-section of the limiting fin is trapezoidal. The slope of the hypotenuse of the limiting fin is equal to the slope of the hypotenuse of the trapezoidal wire. The short side of the limiting fin is parallel to the long side of the trapezoidal wire. A limiting block is provided on the short side surface of the limiting fin. A limiting groove is provided on the limiting sleeve corresponding to the position of the limiting block. The limiting fin is connected to the winding cylinder through a hydraulic telescopic device. The limiting fin can be hidden inside the winding cylinder and only the limiting block is exposed.

4. The trapezoidal wire filter screen wire winding and punching device according to claim 3, characterized in that, The punching assembly includes three punching cutters arranged circumferentially, forming a circle. The three punching cutters are evenly distributed. The limiting fins are arranged on both sides of the punching path of the three punching cutters. The two limiting fins arranged on both sides of the punching path of one punching cutter form a limiting fin group. The slopes of the upper and lower surfaces formed by the two limiting fins in each limiting fin group are equal to the helical slope of the trapezoidal wire winding. The space formed by the upper and lower limiting fin groups corresponds to the cross-sectional area of ​​the trapezoidal wire winding.

5. The trapezoidal wire filter screen winding and punching device according to claim 4, characterized in that, In the limiting fin group, an infrared sensor is installed between the last limiting fin that the trapezoidal wire passes through and the adjacent limiting fin in the vertical direction. The infrared sensor is located on the outer wall of the winding cylinder and does not affect the winding path of the trapezoidal wire, ensuring that the trapezoidal wire can pass smoothly.

6. The trapezoidal wire filter screen wire winding and punching device according to claim 5, characterized in that, The punching assembly includes a limiting ring group, which includes a first limiting ring and a second limiting ring. The first and second limiting rings are the same size and correspond to the circle formed by the punching cutter. The first and second limiting rings are provided with limiting holes for the punching cutter to pass through. Three connecting rods are connected to the outer wall of the first limiting ring. These three connecting rods are evenly distributed circumferentially, and the connection points of one end of each connecting rod to the first limiting ring are staggered from the positions of the limiting holes. The other end of each connecting rod is connected to a sliding tube. The upper structure of the punching assembly has three sliding holes, allowing the sliding tube to slide and be limited within these holes. In the sliding hole, three connecting rods are connected to the outer wall of the second limiting ring. The three connecting rods are evenly arranged circumferentially, and the connection point between one end of the three connecting rods and the second limiting ring is offset from the position of the limiting hole. The other end of the connecting rod is connected to a sliding rod, which can slide in the sliding tube and be limited in the sliding tube. Initially, the second limiting ring is fitted on the middle of the punching cutter, and the third limiting ring is fitted on the punching cutter near the end. When the punching reaches the end, the top of the punching cutter, the first limiting ring, the second limiting ring, and the trapezoidal wire winding die are overlapped and in contact. When the punching operation is completed, all components return to the initial state.

7. A control method for a wire winding and punching device for a trapezoidal wire filter screen as described in claim 6, characterized in that, Includes the following steps: A. Place the initially formed trapezoidal wire under the frame, align the end of the trapezoidal wire with the feed hole, drive other mechanisms to start feeding the trapezoidal wire into the feed hole, and start winding the trapezoidal wire inside the trapezoidal wire winding mold. B. During the winding process of the trapezoidal wire, each time the trapezoidal wire blocks an infrared sensor, the corresponding limiting fin group extends from the inner wall of the winding cylinder to correct the winding path of the trapezoidal wire and limit the track winding of the trapezoidal wire. C. When the trapezoidal wire is wound to the end, that is, when the trapezoidal wire blocks the last infrared sensor, the last limiting fin group extends and stops the winding of the trapezoidal wire. D. Start punching, the punching assembly is pressed down, and the punching cutter punches vertically through the trapezoidal wire; E. After punching, the cutting blade cuts the bottom of the trapezoidal wire, and the limiting fins retract completely into the winding cylinder. The operator can then remove the punched trapezoidal wire from the trapezoidal wire winding mold to complete the punching of a single trapezoidal wire. The punching device can then repeat steps A to E.

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