Diameter adjusting device for metal wire drawing

By using technical means such as impact columns and winding coils in the metal wire drawing diameter adjustment device, the metal wire is automatically fixed and the equipment safety is improved, and the problems of low production efficiency and accident risk in the existing technology are solved, achieving efficient and safe Wire fixing process.

CN222326264UActive Publication Date: 2025-01-10SHANXI SHENGDE YIXINSHENG PRESTRESSED WIRE CO LTD
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Patent Information

Application Number
CN202421101372.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-10
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing metal wire drawing diameter adjustment device requires manual operation and precise control when fixing metal wire, resulting in a decrease in production efficiency and accidents are prone to accidents during use.

Method used

Using technical means such as impact columns and winding coils, we automatically fix the wire and improve the safety of the equipment, reduce manual operation steps, and ensure stable fixation and safe operation of the wire.

Benefits of technology

It realizes automatic fixing of metal wire, reduces production steps, improves production efficiency and user experience, and at the same time maximizes the life safety of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a diameter adjusting device for metal wire drawing, which relates to the technical field of metal processing devices and comprises a processing main body, a discharging wheel rotatably connected to the inner wall of the processing main body, a diameter adjusting wheel set rotatably connected to the surface of the processing main body, a winding wheel rotatably connected to the surface of the processing main body, and a fixing groove formed in the circumferential surface of the winding wheel. The problem that when a diameter adjusting device is used, one end of a metal wire needs to be fixed to a winding roller is solved by installing an impact fixed column, slipping is prevented in the drawing process, a worker usually needs to grasp the end of the metal wire through a sharp-nose pliers tool, the metal wire is carefully wound on the winding roller for a plurality of circles, and the work efficiency is greatly improved. In the prior art, due to the fact that a plurality of diameter adjusting rollers are arranged, subsequent wires cannot be loosened or disengaged when passing through the plurality of diameter adjusting rollers, and due to the fact that the metal wire part used by a winding cannot participate in diameter adjustment, additional adjustment and treatment need to be carried out in the subsequent production process, production steps are increased, and the overall production efficiency is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal processing devices, in particular to a diameter regulating device for metal wire drawing. Background Art

[0002] The diameter adjustment device for metal wire drawing is a mechanical device used to adjust the diameter of metal wire. It has a wide range of applications in the field of metal processing. The core parts of the metal wire drawing machine include modules and rollers. The module is usually composed of several rollers, and the angles and spacing of these rollers can be adjusted to suit different materials and wire drawing requirements. Through this adjustment, the diameter, roundness, internal metallographic structure, surface finish and straightness of the metal wire or rod can be accurately controlled. As an important metal processing equipment, it is widely used in many industries.

[0003] In the prior art, during the metal wire drawing process, a diameter adjustment device is used to precisely control the diameter of the metal wire. When in use, one end of the metal wire is firmly fixed on the winding roller. In order to ensure that it is firmly fixed and prevent it from slipping during the drawing process, the staff usually needs to use needle-nosed pliers to grasp the end of the metal wire and carefully wind it several times on the winding roller, so that the subsequent wire will not loosen or detach when passing through several diameter adjustment rollers. Since the metal wire portion used for winding cannot participate in the diameter adjustment, additional adjustments and processing are required in the subsequent production process, which not only increases the steps in production, but also leads to a decrease in overall production efficiency. Since the winding process requires manual operation and precise control, this will become a bottleneck in the production process. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a diameter adjustment device for metal wire drawing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a diameter adjustment device for metal wire drawing, comprising a processing body, the inner wall of the processing body is rotatably connected to a discharge wheel, the surface of the processing body is rotatably connected to a diameter adjustment wheel group, the surface of the processing body is rotatably connected to a winding wheel, a fixed groove is provided on the circumference of the winding wheel, a diameter groove is provided on one side of the inner wall of the fixed groove, an L-arm support plate is slidably connected to the inner wall of the fixed groove, a blocking column is fixed at one end of the L-arm support plate, a bottom spring is fixed at the bottom of the blocking column, a limiting remnant is fixed at the top of the blocking column, an inclined groove is provided on the circumference of the blocking column, a tilting column is slidably connected to the inner wall of the inclined groove, and a A double-diameter fixing part, wherein a spring cylinder is fixed on the inner wall of the double-diameter fixing part, a limited spring cylinder is fixed on one side of the spring cylinder, a return spring is arranged on the circumference of the limited spring cylinder, an impact fixed column is slidably connected to the inner wall of the limited spring cylinder, a pop-up spring is arranged on the circumference of the impact fixed column, a resistance ring is fixed on the circumference of the impact fixed column, and a magnetic circular plate is fixed on one end of the impact fixed column. In the prior art, during the metal wire drawing process, a diameter adjustment device is used to accurately control the diameter of the metal wire. When in use, one end of the metal wire is firmly fixed on the winding roller. In order to ensure a firm fixation and prevent slippage during the drawing process, the staff usually needs to use a needle-nosed pliers tool to grasp the end of the metal wire and carefully wind it several times on the winding roller. This ensures that the subsequent wire will not loosen or fall off when passing through several diameter adjustment rollers. Since the metal wire part used in the winding cannot participate in the diameter adjustment, additional adjustments and processing are required in the subsequent production process, which not only increases the steps in production, but also leads to a decrease in overall production efficiency. Since the winding process requires manual operation and precise control, this will become a bottleneck in the production process. In response to such problems, the utility model adopts the method of installing an impact fixed column to solve it. When the staff needs to fix one end of the metal wire, the one end of the metal wire is extended into the fixed groove of the winding wheel to make it touch the L-arm support plate, and the L-arm support plate drives the blocking column to move downward. The inclined groove of the blocking column is an inclined surface. When When the preventing column descends, the tilted column slides on the inclined groove toward the side of the L-arm supporting plate, so that the double-diameter fixing part moves to one side with the resist spring tube and the limit spring tube. The coordination of the resist spring tube and the groove compresses the reset spring, and at the same time, the coordination of the limit spring tube and the contact ring compresses the pop-up spring. When the L-arm supporting plate continues to descend, causing the limiting residual part to drop below the contact ring, the pop-up spring quickly releases the accumulated elastic potential energy, pushing the contact ring to pop out the impact fixed column, and the impact fixed column impacts the metal wire and finally enters the over-diameter groove, causing it to deform and bend into the over-diameter groove to complete the fixation, greatly reducing the length of the metal wire used for fixing. At the same time, the reset spring will reset the resist spring tube and the limit spring tube, and the bottom spring will reset the preventing column, thereby improving user experience and reducing production costs.

[0006] Preferably, a power-on button is fixed on one side of the winding wheel, a battery is fixed on the inner wall of the winding wheel, the battery is electrically connected to the power-on button, a U-shaped right piece is fixed on the inner wall of the winding wheel, an iron core is fixed on the inner wall of the U-shaped right piece in a linear array, a winding coil is wound around the circumference of the iron core, and the winding coil is electrically connected to the battery. In the prior art, when production is completed, the staff needs to use a screwdriver to reach into the fixing groove and move the impact column to reset it. However, long-term use may easily cause surface wear of the impact column. At the same time, the notch of the fixing groove is small, and it is difficult for the staff to quickly find the impact column to reset it, which increases the work steps and reduces the production efficiency. In view of such problems, the utility model solves the problem by installing the winding coil, so that when production is completed, the staff presses the power-on button to discharge the battery, and the winding coil is energized to rearrange the chaotic magnetic domains of the iron core in the same direction, and the iron core becomes magnetic and becomes an electromagnet. The gravity attracts the magnetized circular plate to reset the impact column, thereby improving the work efficiency.

[0007] Preferably, an external control console is fixed on the front of the processing body, and a double-piece control button is provided on the surface of the external control console. In the prior art, when the equipment adjusts the diameter of the metal drawing, the metal wire will be continuously entangled and subjected to greater stress. Once the worker mistakenly puts part of the body into the working area, the body part will be entangled by the metal wire, resulting in a production accident. To solve this type of problem, the utility model adopts the method of installing a double-piece control button to solve it. By setting the external control console away from the working area, the worker must press the double-piece control button with both hands at the same time for the equipment to start, thereby maximizing the protection of the life safety of the worker and achieving the effect of improving production safety.

[0008] Preferably, a rubber layer is fixed on one side of the circumferential surface of the winding wheel, and the rubber layer increases the friction between the metal wire and the winding wheel, making the winding more stable and improving the use effect of the equipment.

[0009] Preferably, a convex baffle is fixed on the surface of the processing body, and the convex baffle is higher than 50 cm, which is higher than the knee height of an average adult male, so as to prevent workers from falling forward and improve production safety.

[0010] Preferably, a cut corner is provided on one side of the abutment ring, which facilitates sliding during resetting and reduces friction with the inner wall of the device, thereby increasing the service life of the device.

[0011] Preferably, a slide is provided on the front of the processing body to facilitate workers to use tools such as carts to carry materials, thereby improving user experience.

[0012] Beneficial Effects

[0013] 1. In the prior art, during the metal wire drawing process, the diameter adjustment device is used to accurately control the diameter of the metal wire. When in use, one end of the metal wire is firmly fixed on the winding roller. In order to ensure that it is firmly fixed and prevent it from slipping during the drawing process, the staff usually needs to use needle-nosed pliers to grasp the end of the metal wire and carefully wind it several times on the winding roller, so that the subsequent wire will not loosen or fall off when passing through several diameter adjustment rollers. Since the metal wire part used for winding cannot participate in the diameter adjustment, additional adjustments and processing are required in the subsequent production process, which not only increases the steps in production, but also leads to a decrease in the overall production efficiency. Since the winding process requires manual operation and precise control, this will become a bottleneck in the production process. In view of such problems, the utility model adopts the method of installing impact fixing columns to solve them, so that when the staff needs to fix When the locking cam is in the locked position, the locking cam is engaged and the locking cam is engaged, and the locking cam is engaged, so that the locking cam is engaged and the locking cam is engaged, and the locking cam is engaged, so that the locking cam is engaged and the locking cam is engaged, and the locking cam is engaged, so that the locking cam is engaged, and the locking cam is engaged, so that the locking cam is engaged, and the locking cam is engaged, so that the locking cam is engaged, and the locking cam is engaged,

[0014] 2. In the prior art, when production is completed, the staff needs to use a screwdriver to reach into the fixed groove and move the impact column to reset it. However, long-term use will easily cause surface wear of the impact column. At the same time, the notch of the fixed groove is small, and it is difficult for the staff to quickly find the impact column to reset it, which increases the work steps and reduces production efficiency. To solve this problem, the utility model adopts the method of installing a winding coil to achieve a solution. When production is completed, the staff presses the power button to discharge the battery, and the winding coil is energized to rearrange the chaotic magnetic domains of the iron core in the same direction. The iron core becomes magnetic and becomes an electromagnet. The gravity attracts the magnetic circular plate to reset the impact column, thereby improving work efficiency.

[0015] 3. In the prior art, when the equipment adjusts the diameter of the metal wire, the metal wire will continue to be entangled and subjected to great stress. Once the worker mistakenly puts part of his body into the working area, the part of his body will be entangled by the metal wire, resulting in a production accident. To solve this problem, the utility model adopts the method of installing a double-piece control button. The setting position of the peripheral control console is moved away from the working area, and the worker must press the double-piece control button with both hands at the same time for the equipment to start. This maximizes the protection of the life safety of the workers and achieves the effect of improving production safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the rubber layer of the utility model;

[0018] Figure 3 It is a cross-sectional view of the reel of the utility model;

[0019] Figure 4 This is a cross-sectional view of the utility model to prevent the column;

[0020] Figure 5 It is a cross-sectional view of the limiting residual part of the utility model;

[0021] Figure 6 It is a cross-sectional view of the U-shaped right part of the utility model.

[0022] Legend:

[0023] 1. Processing body; 101. Discharging wheel; 102. Diameter adjustment wheel set; 2. Winding wheel; 201. Fixed groove; 202. L-arm bearing plate; 203. Stop column; 204. Bottom spring; 205. Inclined groove; 206. Head column; 207. Double-diameter fixing piece; 208. Spring-resisting cylinder; 209. Spring-limiting cylinder; 2010. Reset spring; 2011. Impact fixed column; 2012. Magnetic circular plate; 2013. Resistance ring; 2014. Pop-up spring; 2015. Restriction residual parts; 2016. Over-diameter groove; 3. Battery; 301. Power-on button; 302. U-shaped right piece; 303. Iron core; 304. Winding coil; 4. Rubber layer; 5. External control console; 501. Double-piece control button; 502. Landslide; 503. Convex baffle. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0025] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings. Specific embodiment:

[0027] Reference Figure 1-6A diameter adjustment device for metal wire drawing comprises a processing body 1, wherein a discharging wheel 101 is rotatably connected to the inner wall of the processing body 1, a diameter adjustment wheel group 102 is rotatably connected to the surface of the processing body 1, a winding wheel 2 is rotatably connected to the surface of the processing body 1, a fixed groove 201 is provided on the circumference of the winding wheel 2, a diameter groove 2016 is provided on one side of the inner wall of the fixed groove 201, an L-arm bearing plate 202 is slidably connected to the inner wall of the fixed groove 201, a blocking column 203 is fixed at one end of the L-arm bearing plate 202, a bottom spring 204 is fixed at the bottom of the blocking column 203, a limiting residual part 2015 is fixed at the top of the blocking column 203, an inclined groove 205 is provided on the circumference of the blocking column 203, a tilting head column 206 is slidably connected to the inner wall of the inclined groove 205, and a double-diameter fixed Fixed piece 207, the inner wall of the double-diameter fixing piece 207 is fixed with a spring cylinder 208, one side of the spring cylinder 208 is fixed with a limited spring cylinder 209, the circumference of the limited spring cylinder 209 is provided with a return spring 2010, the inner wall of the limited spring cylinder 209 is slidably connected with an impact fixed column 2011, the circumference of the impact fixed column 211 is provided with a pop-up spring 2014, the circumference of the impact fixed column 211 is fixed with a resistance ring 213, and one end of the impact fixed column 211 is fixed with a magnetic circular plate 212. In the process of metal wire drawing, the diameter adjustment device is used to accurately control the diameter of the metal wire. When in use, one end of the metal wire is firmly fixed on the winding roller. In order to ensure that it is firmly fixed and prevent slippage during the drawing process, the staff usually needs to use needle-nosed pliers to grasp the end of the metal wire and The wire is carefully wound several times on the winding roller so that the subsequent wire will not loosen or fall off when passing through several diameter adjustment rollers. Since the metal wire used in the winding cannot participate in the diameter adjustment, additional adjustments and processing are required in the subsequent production process, which not only increases the steps in production, but also leads to a decrease in the overall production efficiency. Since the winding process requires manual operation and precise control, this will become a bottleneck in the production process. The problem is solved by installing an impact fixed column 2011, so that when the staff needs to fix one end of the metal wire, the one end of the metal wire is extended into the fixed groove 201 of the winding wheel 2, so that it touches the L-arm support plate 202, and the L-arm support plate 202 drives the blocking column 203 to move downward, and the inclined groove 205 of the blocking column 203 is blocked. It is an inclined plane. When the preventing column 203 descends, the tilting column 206 slides on the inclined groove 205 toward the side of the L-arm bearing plate 202, so that the double-diameter fixing part 207 moves to one side with the spring tube 208 and the limiting spring tube 209. The matching of the spring tube 208 and the groove compresses the reset spring 2010. At the same time, the matching of the limiting spring tube 209 and the contact ring 2013 compresses the pop-up spring 2014. When the L-arm bearing plate 202 continues to descend, the limiting residual part 2015 drops below the contact ring 2013, and the pop-up spring 2014 quickly releases the accumulated elastic potential energy, pushing the contact ring 2013 to pop out the impact fixed column 2011. The impact fixed column 2011 impacts the metal wire and finally enters the over-diameter groove 216, causing it to deform and bend into the over-diameter groove 216 to complete the fixation.The length of the metal wire used for fixing is greatly reduced. At the same time, the reset spring 2010 will reset the spring tube 208 and the spring limit tube 209, and the bottom spring 204 will reset the blocking column 203, so as to improve the user experience and reduce the production cost. A cut angle is opened on one side of the contact ring 213, which is easy to slide when resetting, and at the same time reduces the friction with the inner wall of the equipment, thereby increasing the service life of the equipment. A rubber layer 4 is fixed on one side of the circumference of the winding wheel 2. The rubber layer 4 increases the friction between the metal wire and the winding wheel 2, making the winding more stable and improving the use effect of the equipment.

[0028] A power button 301 is fixed on one side of the winding wheel 2, a battery 3 is fixed on the inner wall of the winding wheel 2, and the battery 3 is electrically connected to the power button 301. A U-shaped right piece 302 is fixed on the inner wall of the winding wheel 2, and an iron core 303 is fixed in a linear array on the inner wall of the U-shaped right piece 302. A winding coil 304 is wound around the circumference of the iron core 303, and the winding coil 304 is electrically connected to the battery 3. When the production is completed, the staff needs to use a screwdriver to reach into the fixing slot 201 and move the impact fixed column 2011 to reset it. When used for a long time, it is easy to cause the surface of the impact fixed column 2011 to wear. At the same time, the fixed groove 201 has a small notch, and it is difficult for the staff to quickly find the impact column 2011 to reset it, which increases the work steps and reduces the production efficiency. The problem is solved by installing the winding coil 304. When the production is finished, the staff presses the power button 301 to discharge the battery 3, and the winding coil 304 is energized to rearrange the chaotic magnetic domains of the iron core 303 in the same direction. The iron core 303 becomes magnetic and becomes an electromagnet. The gravity attracts the magnetic circular plate 2012 to reset the impact column 2011, thereby improving the work efficiency. The front of the processing body 1 is fixed with an external control console 5, and a double-piece control button 501 is provided on the surface of the external control console 5. When the equipment adjusts the diameter of the metal wire drawing, the metal wire will be constantly entangled and subjected to greater stress. Once the worker mistakenly enters the working area with a body part, the body part will be entangled with the metal wire, resulting in a production accident. The double-piece control button 501 is installed to solve the problem. The setting position of the external control console 5 is far away from the working area, and the worker must press the double-piece control button 501 with both hands at the same time before the equipment starts, which maximizes the life safety of the worker and achieves the effect of improving production safety. A convex baffle 503 is fixed on the surface of the processing body 1. The convex baffle 503 is higher than 50 cm, which is higher than the knee height of an average adult male, to prevent the worker from falling forward and improve production safety. A landslide 502 is provided on the front of the processing body 1, which is convenient for the worker to use tools such as carts to carry materials and improve user experience.

[0029] The working principle of the utility model is as follows: when the staff needs to fix one end of the metal wire, the one end of the metal wire is inserted into the fixed groove 201 of the winding wheel 2, so that it touches the L-arm bearing plate 202, and the L-arm bearing plate 202 drives the blocking column 203 to move downward. The inclined groove 205 of the blocking column 203 is an inclined surface. When the blocking column 203 descends, the tilting column 206 slides on the inclined groove 205 toward the side of the L-arm bearing plate 202, so that the double-diameter fixing member 207 moves to one side with the spring tube 208 and the limiting spring tube 209. The matching of the spring tube 208 and the groove compresses the reset spring 2010, and at the same time, the matching of the limiting spring tube 209 and the contact ring 2013 compresses the pop-up spring 2014. When the L-arm bearing plate 202 continues to descend, the limiting residual part 2015 drops below the contact ring 20 13, the pop-up spring 2014 quickly releases the accumulated elastic potential energy, pushing the resistance ring 2013 to pop out the impact fixed column 2011, and the impact fixed column 2011 impacts the metal wire and finally enters the through-diameter groove 2016, causing it to deform and bend into the through-diameter groove 2016 to complete the fixation, which greatly reduces the length of the metal wire used for fixation. At the same time, the reset spring 2010 will reset the spring-resisting cylinder 208 and the spring-limiting cylinder 209, and the bottom spring 204 will reset the blocking column 203. When the production is finished, the staff presses the power-on button 301 to discharge the battery 3, and the winding coil 304 is energized to rearrange the chaotic magnetic domains of the iron core 303 in the same direction. The iron core 303 becomes magnetic and becomes an electromagnet. The gravity attracts the magnetic circular plate 2012 to reset the impact fixed column 2011.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A diameter adjustment device for metal wire drawing, comprising a processing body (1), the inner wall of the processing body (1) is rotatably connected to a discharge wheel (101), the surface of the processing body (1) is rotatably connected to a diameter adjustment wheel group (102), and the surface of the processing body (1) is rotatably connected to a winding wheel (2), characterized in that: The winding wheel (2) is provided with a fixing groove (201) on its circumferential surface, a diameter groove (216) is provided on one side of the inner wall of the fixing groove (201), an L-arm support plate (202) is slidably connected to the inner wall of the fixing groove (201), a blocking column (203) is fixed to one end of the L-arm support plate (202), a bottom spring (204) is fixed to the bottom of the blocking column (203), a limiting residual part (2015) is fixed to the top of the blocking column (203), an inclined groove (205) is provided on its circumferential surface, a tilting column (206) is slidably connected to the inner wall of the inclined groove (205), and the tilting column A double-diameter fixing member (207) is fixed at one end of (206), a spring-resisting tube (208) is fixed on the inner wall of the double-diameter fixing member (207), a limiting spring tube (209) is fixed on one side of the spring-resisting tube (208), a return spring (2010) is provided on the circumference of the limiting spring tube (209), an impact fixed column (2011) is slidably connected to the inner wall of the limiting spring tube (209), a pop-up spring (214) is provided on the circumference of the impact fixed column (2011), a resisting ring (213) is fixed on the circumference of the impact fixed column (2011), and a magnetic circular plate (212) is fixed on one end of the impact fixed column (2011).

2. A diameter adjustment device for metal wire drawing according to claim 1, characterized in that: A power-on button (301) is fixed to one side of the winding wheel (2), a battery (3) is fixed to the inner wall of the winding wheel (2), the battery (3) is electrically connected to the power-on button (301), a U-shaped right piece (302) is fixed to the inner wall of the winding wheel (2), an iron core (303) is fixed in a linear array on the inner wall of the U-shaped right piece (302), a winding coil (304) is wound around the circumference of the iron core (303), and the winding coil (304) is electrically connected to the battery (3).

3. A diameter adjustment device for metal wire drawing according to claim 1, characterized in that: An external control console (5) is fixed to the front of the processing body (1), and a double control button (501) is provided on the surface of the external control console (5).

4. The diameter adjustment device for metal wire drawing according to claim 1, characterized in that: A rubber layer (4) is fixed on one side of the circumference of the winding wheel (2).

5. The diameter adjustment device for metal wire drawing according to claim 1, characterized in that: A convex baffle (503) is fixed on the surface of the processing body (1), and the convex baffle (503) is higher than 50 centimeters.

6. The diameter adjustment device for metal wire drawing according to claim 1, characterized in that: A cut corner is provided on one side of the abutment ring (2013).

7. The diameter adjustment device for metal wire drawing according to claim 1, characterized in that: The front side of the processing body (1) is provided with a landslide (502).