Wire drawing equipment for welding tin wire

Abstract

The invention relates to wire drawing equipment for welding tin wires, and relates to the technical field of tin wire machining, the wire drawing equipment comprises a box body, a feeding port and a discharging port are formed in the two opposite side faces of the box body correspondingly, two wire winding rollers are rotationally arranged in the box body, and a bearing rod located between the two wire winding rollers is fixedly arranged in the box body; a plurality of wire drawing rings of which the inner diameters are gradually reduced are uniformly distributed on the bearing rod along the length direction of the bearing rod; a box cover is arranged on the box body in a covering mode, and a fixing through hole located above the wire winding roller is formed in the box cover; a storage box for storing lubricating liquid is fixedly arranged outside the box body, and a water spraying pipe located above the fixing through hole is arranged on the upper portion of the box body. A liquid outlet communicated with the storage box is formed in the inner wall of the box body, a plurality of water spraying openings are formed in the water spraying pipe, and a connecting hose for connecting the storage box and the water spraying pipe and a water suction pump for injecting lubricating liquid into the connecting hose are arranged outside the storage box; according to the lubricating device, due to the arrangement of the box cover, the possibility that external impurities are mixed in the lubricating liquid is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of tin wire processing, and in particular to a wire drawing device for welding tin wire. Background Art

[0002] In the manual soldering process of electronic components, solder wire is a key connecting material, and its quality and processing are crucial. Solder wire is carefully made of tin alloy and additives. With the stable heat source provided by high-quality electric soldering iron, it can effectively fill the tiny gaps between electronic components and ensure the firmness and reliability of welding. In the process of producing solder wire, the wire drawing link plays the role of adjusting the diameter to meet different usage requirements.

[0003] In the related art, a thin tin wire drawing device for welding includes a box body, two wire winding rollers are rotatably connected between the inner walls on both sides of the box body, a base is fixedly connected between the inner walls on both sides of the box body, and a plurality of wire drawing rings are evenly fixed on the base. The wire drawing rings have different inner diameters and are arranged in order from large to small to form a gradually decreasing channel for gradually stretching and thinning the tin wire; a feed port and a discharge port are provided on one side of the box body; the tin wire repeatedly bypasses the wire winding rollers and passes through the wire drawing rings of different diameters according to a specific path until it reaches a predetermined diameter and passes through the discharge port, and is then pulled and collected by a winding mechanism; In order to lubricate and cool the tin wire during the wire drawing process, a large amount of lubricating liquid needs to be added to the bottom of the box so that the upper liquid level of the lubricating liquid is higher than the bottom side of the wire winding roller; however, during the drawing process, external impurities may mix into the lubricating liquid from the upper opening of the box. These impurities may adhere to the surface of the tin wire in the subsequent lubrication process, weakening the lubrication effect and even causing adverse effects on the quality of the tin wire. There is room for improvement. Summary of the invention

[0004] The purpose of the present application is to provide a wire drawing device for welding tin wire, so as to solve the problem in the above-mentioned related technology that impurities mixed into the lubricating fluid adhere to the surface of the tin wire and affect the drawing quality of the tin wire.

[0005] The present application provides a wire drawing device for welding tin wires, which adopts the following technical solution: A wire drawing device for welding tin wire comprises a box body, wherein two opposite side surfaces of the box body are respectively provided with a feed port and a discharge port, two wire winding rollers are rotatably arranged in the box body, a receiving rod is fixedly arranged between the two wire winding rollers, and a plurality of wire drawing rings with decreasing inner diameters are evenly distributed on the receiving rod along its length direction; a box cover is provided on the upper cover of the box body, and a fixed through hole is provided on the box cover above the wire winding roller; a storage box for storing lubricating liquid is fixedly provided on the outside of the box body, and a water spray pipe is provided on the upper part above the fixed through hole; a drain port connected to the storage box is provided on the inner wall of the box body, and a plurality of water spray ports are provided on the side of the water spray pipe facing the fixed through hole, and a connecting hose connecting the storage box and the water spray pipe and a water pump for injecting lubricating liquid into the connecting hose are provided on the outside of the storage box.

[0006] By adopting the above technical scheme, during the process of stretching the tin wire by the wire drawing equipment, the tin wire on the wire winding roller is lubricated and cooled. First, the lubricating liquid in the storage box is injected into the connecting hose and the water spray pipe through the water pump, and then sprayed onto the wire winding roller from the water spray port, so as to achieve lubrication and cooling of the tin wire in the stretching process, and there is no need to inject a large amount of lubricating liquid into the box body at the same time, thereby reducing the corresponding cost; the lubricating liquid that falls into the box body is collected at the bottom side of the box body, and then re-collected into the storage box from the drain port, so as to circulate back and forth, thereby improving the recycling of the lubricating liquid; and due to the provision of the box cover, the possibility of external impurities mixing in the lubricating liquid is reduced.

[0007] Optionally, the height of the bottom side of the box body decreases in a direction approaching the liquid discharge port, and the liquid discharge port is located at the lowest point of the bottom side of the box body.

[0008] By adopting the above technical solution, the lubricating liquid accumulated in the box can be better discharged from the drain port along the bottom slope, which is convenient for recycling of the lubricating liquid, thereby reducing the cost of tin wire stretching.

[0009] Optionally, two cleaning blocks are fixedly provided on the side of the box cover facing the box body, and two sponge blocks are respectively located on the sides of the feed port and the discharge port. The cleaning blocks are provided with gaps for inserting tin wire.

[0010] By adopting the above technical solution, when the tin wire enters the box body and is led out of the box body, due to the arrangement of the cleaning block on the inner side of the box cover, the outer peripheral surface of the tin wire is cleaned and wiped by the corresponding cleaning block, thereby reducing the possibility of foreign impurities adhering to the outer surface of the tin wire.

[0011] Optionally, a supporting beam is fixedly provided on the outer periphery of the water spray pipe, and bending parts are fixedly provided on both ends of the supporting beam. The upper side surface of the box body is slidably connected to the end of the water spray pipe away from the bending part, and the water spray pipe can slide back and forth on the upper side surface of the box body.

[0012] By adopting the above technical solution, when the box cover needs to be opened, the water spray pipe can be slid to both sides; when the wire drawing equipment is running, the water spray pipe is moved to directly above the wire winding roller; this facilitates the adjustment of the installation position of the water spray pipe and improves the performance of the wire drawing equipment.

[0013] Optionally, an elastic cleaning block capable of abutting against the upper side of the box cover is fixedly provided on the supporting crossbeam.

[0014] By adopting the above technical solution, during the reciprocating sliding of the water spray pipe, the upper surface of the box cover can be cleaned by the elastic cleaning block on the supporting beam, thereby reducing the possibility of external dust or other impurities adhering to the surface of the box cover.

[0015] Optionally, a driving motor and a driving screw coaxially fixedly connected to the driving motor are fixedly provided on the side of the box body, and the driving screw is provided with two sections of threads with opposite rotation directions; a protruding block is provided on the bending portion, and a driving screw hole is provided on the protruding block for the driving screw to pass through and screw in, so that the two water spray pipes can slide back and forth in directions approaching or moving away from each other.

[0016] By adopting the above technical solution, during the sliding process of the water spray pipe, the driving motor can be started to drive the driving screw to rotate synchronously, thereby driving the two water spray pipes to slide back and forth in the direction of approaching or moving away from each other, thereby realizing automatic adjustment of the position of the water spray pipe.

[0017] Optionally, a plurality of universal wheels with foot brakes are fixedly provided on the bottom side of the box.

[0018] By adopting the above technical solution, when the wire drawing equipment needs to be moved, the position of the wire drawing equipment can be adjusted at a close distance by setting the universal wheel; and the two water spray pipes can be moved back to back to the two side edges of the box, so that the supporting beam and the water spray pipes act as handles, which can better control the movement of the box circuit breaker.

[0019] Optionally, a support rod is provided on the vertical side surface of the box body for sliding in the vertical direction, and the support rod can slide back and forth in the vertical direction, and the support rod is located below the protruding block; a guide slope is provided on the upper end edge of the support rod, and the protruding block can slide along the guide slope to just above the support rod along with the water spray pipe, and the lower end of the support rod is pressed against the ground.

[0020] By adopting the above technical solution, when the stretching equipment is running, due to the coordinated arrangement of the support rod and the protruding block, the protruding block can slide along the guide slope with the water spray pipe to just above the support rod. In this state, the upper end of the support rod is squeezed and abutted by the bottom side of the protruding block, so that the lower end of the support rod is pressed against the ground, thereby improving the installation stability of the stretching equipment.

[0021] Optionally, an elastic pad is fixedly provided at the lower end of the support rod.

[0022] By adopting the above technical solution, when the support rod moves downward, the elastic pad at the lower end of the support rod can be pressed against the ground, thereby improving the stability of the lower end of the support rod when it is in contact with the ground.

[0023] Optionally, a support plate is fixedly provided on the outer surface of the box body, and a limit block is fixedly provided on the outer periphery of the support rod; a return compression spring is provided outside the box body and located between the support plate and the limit block, and both ends of the return compression spring are respectively fixedly connected to the side surfaces of the support plate and the limit block that are close to each other.

[0024] By adopting the above technical solution, when the protruding block is located directly above the support rod, the support rod is squeezed and the reset spring is compressed and deformed; when the protruding block is not located directly above the support rod, the reset spring is reset, driving the support rod to move upward, so that there is a gap between the lower end of the support rod and the ground, which is convenient for the overall position movement and adjustment of the stretching equipment.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. During the tin wire drawing process of the wire drawing equipment, the tin wire on the wire winding roller is lubricated and cooled. First, the lubricating liquid in the storage box is injected into the connecting hose and the water spray pipe through a water pump, and then sprayed onto the wire winding roller from the water spray port, thereby achieving lubrication and cooling of the tin wire in the drawing process, and there is no need to inject a large amount of lubricating liquid into the box at the same time, thereby reducing the corresponding cost.

[0026] 2. The lubricating liquid that falls into the box body gathers at the bottom of the box body, and then re-flows into the storage box from the drain port, so that the cycle is repeated to improve the recycling of the lubricating liquid; and due to the setting of the box cover, the possibility of external impurities mixing in the lubricating liquid is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 This is a schematic diagram of the structure of the installation and matching of the wire drawing assembly in the embodiment of the present application; Figure 3 It is a cross-sectional structural schematic diagram of the installation and coordination of the water spray pipe in the embodiment of the present application; Figure 4It is a cross-sectional structural diagram of the storage box installation and coordination in the embodiment of the present application; Figure 5 This is a schematic diagram of the structure of the cleaning block installation and coordination in the embodiment of the present application; Figure 6 It is a schematic cross-sectional structure diagram of the installation and matching of the cleaning block in the embodiment of the present application; Figure 7 This is a schematic diagram of the structure of the support rod installation and coordination in the embodiment of the present application; Figure 8 It is a schematic diagram of the local structure of the installation and cooperation of the support rod and the return compression spring according to the embodiment of the present application.

[0029] In the figure, 1, box body; 11, feed inlet; 12, discharge outlet; 13, drainage outlet; 14, accommodating trough; 15, universal wheel; 16, support plate; 17, reset spring; 2, box cover; 21, fixed through hole; 22, cleaning block; 221, clearance gap; 3, lubrication component; 31, storage box; 32, water spray pipe; 33, connecting hose; 34, water pump; 35, driving part; 351, driving motor; 352, driving screw; 36, elastic cleaning block; 4, wire drawing component; 41, wire winding roller; 42, receiving rod; 421, wire drawing ring; 43, power part; 5, support rod; 51, guide slope; 52, elastic pad; 53, limit stopper; 6, supporting beam; 61, bending part; 62, protruding block; 621, driving screw hole. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0031] Example: Reference Figure 1 and Figure 2 , a wire drawing device for welding tin wire, comprising a box body 1, a box cover 2 arranged on the box body 1 and a traction structure (not shown in the figure) located at the rear of the box body 1, a feed port 11 and a discharge port 12 are respectively opened on the opposite side surfaces of the box body 1, a wire drawing assembly 4 is arranged in the box body 1, wherein the wire drawing assembly 4 comprises two wire winding rollers 41 rotatably arranged in the box body 1, a receiving rod 42 fixed in the box body 1 and located between the two wire winding rollers 41, a plurality of wire drawing rings 421 with decreasing inner diameters are evenly distributed on the receiving rod 42 along its length direction, a power member 43 for driving the two wire winding rollers 41 to rotate in the same direction is arranged on the outside of the box body 1, wherein the power member 43 is a power motor arranged in the box body, which is a conventional driving structure and will not be repeated here; The tin wire enters the box body 1 from the feed port 11, then passes around the bottom of the two wire winding rollers 41, and then passes around the top of the two wire winding rollers 41. When passing around the top of the wire winding rollers 41, the tin wire passes through the first wire drawing ring 421, and then passes around the bottom of the two wire winding rollers 41. When passing around the top again, the tin wire passes through another wire drawing ring 421. This reciprocating winding is performed to form a step-by-step decreasing channel for gradually stretching and refining the tin wire until the end of the tin wire passes through the discharge port 12.

[0032] Reference Figure 3 and Figure 4 The box cover 2 is provided with two fixed through holes 21 above the two winding rollers 41, and a lubrication assembly 3 is provided outside the box body 1, wherein the lubrication assembly 3 includes a storage box 31 fixedly provided outside the box body 1 and used for storing lubricating liquid, and two water spray pipes 32 located above the fixed through holes 21 on the box cover 2; a liquid discharge port 13 connected to the storage box 31 is provided on the inner wall of the box body 1, and a plurality of water spray ports are provided on the side of the water spray pipe 32 facing the fixed through holes 21, and a connecting hose 33 connecting the storage box 31 and the water spray pipe 32 is provided outside the storage box 31, and a water pump 34 for injecting lubricating liquid into the connecting hose 33; The lubricating liquid in the storage box 31 is injected into the connecting hose 33 and the water spray pipe 32 through the water pump 34, and is sprayed onto the wire winding roller 41 from the water spray port, so as to achieve lubrication and cooling of the tin wire in the stretching process; the lubricating liquid that falls into the box body 1 is collected at the bottom side of the box body 1, and then re-flows into the storage box 31 from the drain port 13, and the cycle repeats.

[0033] Reference Figure 3 and Figure 4 The height of the bottom side of the box body 1 decreases along the direction close to the drain port 13. The drain port 13 is at the lowest point of the bottom side of the box body 1, which is convenient for the lubricating liquid accumulated in the box body 1 to be better discharged from the drain port 13, and is convenient for the recycling of the lubricating liquid, thereby reducing the cost of tin wire stretching.

[0034] Reference Figure 3 and Figure 4 , support beams 6 are fixedly provided on the outer periphery of both ends of the water spray pipe 32, and bent portions 61 are fixedly provided on both ends of the support beams 6, wherein the upper side of the box body 1 is slidably connected to the end of the bent portion 61 away from the water spray pipe 32, a dovetail slider is fixedly provided on the bottom side of the bent portion 61, and a dovetail slide groove for the dovetail slider to be inserted and slide is provided on the upper side of the box body 1; After the water spray pipe 32 is installed, the water spray pipe 32 can slide back and forth on the side of the box body 1, so as to facilitate the adjustment of the installation position of the water spray pipe 32; when the box cover 2 needs to be opened, the water spray pipe 32 can be slid to both sides; when the wire drawing equipment is running, the water spray pipe 32 is moved to the top of the wire winding roller 41.

[0035] Reference Figure 4A driving member 35 for driving the water spray pipe 32 to slide back and forth is provided on the side of the box body 1, wherein the driving member 35 comprises a driving motor 351 fixedly mounted on the box body 1, and a driving screw 352 coaxially fixedly connected to the driving motor 351, and the driving screw 352 is provided with two sections of threads with opposite rotation directions; a protruding block 62 is provided on the bent portion 61, and a driving screw hole 621 is provided on the protruding block 62 for the driving screw 352 to penetrate and be screwed into; When the driving motor 351 rotates, it drives the driving screw 352 to rotate synchronously, thereby driving the two water spray pipes 32 to slide back and forth in the direction of approaching or moving away from each other, thereby realizing automatic adjustment of the position of the water spray pipes 32.

[0036] Reference Figure 3 An elastic cleaning block 36 is fixedly provided on the supporting crossbeam 6 and can abut against the upper side of the box cover 2, and the elastic cleaning block 36 is made of sponge material; therefore, during the reciprocating sliding of the water spray pipe 32, the upper surface of the box cover 2 can be cleaned, reducing the possibility of external dust or other impurities adhering to the surface of the box cover 2.

[0037] Reference Figure 4 and Figure 5 A accommodating groove 14 for the box cover 2 to be placed is provided on the inner edge of the upper side opening of the box body 1, wherein one side of the box cover 2 is hinged to the inner wall of the accommodating groove 14, and the other side is detachably fixed to the bottom side of the accommodating groove 14 by screws; the box cover 2 can be flipped upward to open or flipped downward to close.

[0038] Reference Figure 5 and Figure 6 Two cleaning blocks 22 made of sponge material are fixedly arranged on the side of the box cover 2 facing the box body 1, wherein the two sponge blocks are respectively located on the sides of the feed port 11 and the discharge port 12, and a clearance gap 221 for the tin wire to be placed is opened on the cleaning block 22; when the tin wire enters the box body 1 and is led out of the box body 1, the outer peripheral surface of the tin wire is cleaned and wiped by the corresponding cleaning block 22, thereby reducing the possibility of external impurities adhering to the outer surface of the tin wire.

[0039] Reference Figure 5 and Figure 7 Four universal wheels 15 with foot brakes are fixedly provided on the bottom side of the box body 1, wherein the universal wheels 15 are conventional movable structures and are not described in detail here; when the wire drawing equipment needs to be moved, the position of the wire drawing equipment can be adjusted at a close distance by setting the universal wheels 15; on this basis, the two water spray pipes 32 can be moved back to back to the edges of both sides of the box body 1, so that the supporting beam 6 and the water spray pipes 32 act as handles, which can better control the movement of the circuit breaker of the box body 1.

[0040] Reference Figure 7 and Figure 8Two support rods 5 are respectively slidably arranged on two opposite vertical sides of the box body 1 in the vertical direction, wherein the support rods 5 can reciprocate in the vertical direction, and the support rods 5 are located below the protruding block 62; a guide slope 51 is arranged on the upper edge of the support rod 5, and an elastic pad 52 made of rubber material is fixedly arranged at the lower end of the support rod 5; When the stretching equipment is running, the protruding block 62 can slide along the guide slope 51 with the water spray pipe 32 to just above the support rod 5. In this state, the upper end of the support rod 5 is squeezed and abutted by the bottom side of the protruding block 62, so that the lower end of the support rod 5 is pressed against the ground, thereby improving the installation stability of the stretching equipment.

[0041] Reference Figure 8 A support plate 16 is fixedly provided on the outer surface of the box body 1, and a limit stopper 53 is fixedly provided on the outer periphery of the support rod 5; a return compression spring 17 is provided outside the box body 1 and is located between the support plate 16 and the limit stopper 53, and the two ends of the return compression spring 17 are respectively fixedly connected to the side surfaces of the support plate 16 and the limit stopper 53 that are close to each other; When the protruding block 62 is located directly above the support rod 5, the support rod 5 is squeezed and the return compression spring 17 is compressed and deformed; when the protruding block 62 is not located directly above the support rod 5, the return compression spring 17 is reset, driving the support rod 5 to move upward, so that there is a gap between the lower end of the support rod 5 and the ground.

[0042] The implementation principle of the embodiment of the present application is: When the stretching device is running, the water spray pipe 32 is driven by the driving motor 351 to move to the top of the winding roller 41. At this time, the protruding block 62 can slide along the guide slope 51 with the water spray pipe 32 to the top of the support rod 5. In this state, the upper end of the support rod 5 is squeezed and abutted by the bottom side of the protruding block 62, so that the lower end of the support rod 5 is pressed against the ground; then the lubricating liquid in the storage box 31 is injected into the connecting hose 33 and the water spray pipe 32 through the water pump 34, and sprayed onto the winding roller 41 from the water spray port; When the stretching equipment moves a short distance, the two water spray pipes 32 are moved back to back to the edges of the two sides of the box body 1 by driving the motor 351. In this state, the support rod 5 moves upward and resets under the action of the reset spring 17, and the supporting beam 6 acts as a handle in this state, and then slides as a whole through the universal wheel 15; in addition, during the reciprocating sliding of the water spray pipe 32, the elastic cleaning block 36 on the water spray pipe 32 can clean the upper surface of the box cover 2.

[0043] Unless otherwise defined, the terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The "first", "second", "third" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and other similar words do not indicate a quantitative limit, but indicate that there is at least one. "Including" or "comprising" and other similar words mean that the elements or objects appearing in front of "including" or "comprising" cover the elements or objects listed after "including" or "comprising" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0044] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wire drawing device for welding tin wire, comprising a box body (1), wherein two opposite side surfaces of the box body (1) are respectively provided with a feed port (11) and a discharge port (12), wherein two wire winding rollers (41) are rotatably arranged in the box body (1), and a receiving rod (42) is fixedly arranged between the two wire winding rollers (41), and a plurality of wire drawing rings (421) with decreasing inner diameters are evenly distributed on the receiving rod (42) along its length direction; It is characterized in that The box body (1) is provided with a box cover (2) on the upper cover, and a fixed through hole (21) is provided on the box cover (2) and is located above the winding roller (41); a storage box (31) for storing lubricating liquid is fixedly provided on the outside of the box body (1), and a water spray pipe (32) is provided on the upper part and is located above the fixed through hole (21); The inner wall of the box body (1) is provided with a liquid discharge port (13) connected to the storage box (31); the side of the water spray pipe (32) facing the fixed through hole (21) is provided with a plurality of water spray ports; the storage box (31) is provided with a connecting hose (33) connecting the storage box (31) and the water spray pipe (32), and a water pump (34) for injecting lubricating liquid into the connecting hose (33).

2. A wire drawing device for welding tin wire according to claim 1, characterized in that: The height of the bottom side of the box body (1) decreases gradually in a direction approaching the liquid discharge port (13), and the liquid discharge port (13) is located at the lowest point of the bottom side of the box body (1).

3. A wire drawing device for welding tin wire according to claim 1, characterized in that: Two cleaning blocks (22) are fixedly arranged on the side of the box cover (2) facing the box body (1), and the two sponge blocks are respectively located on the sides of the feed port (11) and the discharge port (12), and the cleaning block (22) is provided with a clearance notch (221) for inserting the tin wire.

4. The wire drawing device for welding tin wire according to claim 1, characterized in that: A supporting crossbeam (6) is fixedly provided on the outer periphery of the water spray pipe (32), and bending portions (61) are fixedly provided on both ends of the supporting crossbeam (6). The upper side surface of the box body (1) is slidably connected to the end of the water spray pipe (32) away from the bending portion (61), and the water spray pipe (32) can slide back and forth on the upper side surface of the box body (1).

5. A wire drawing device for welding tin wire according to claim 4, characterized in that: The supporting crossbeam (6) is fixedly provided with an elastic cleaning block (36) capable of abutting against the upper side surface of the box cover (2).

6. A wire drawing device for welding tin wire according to claim 4, characterized in that: A driving motor (351) and a driving screw (352) coaxially and fixedly connected to the driving motor (351) are fixedly disposed on the side surface of the box body (1); the driving screw (352) is provided with two sections of threads with opposite rotation directions; The bent portion (61) is provided with a protruding block (62), and the protruding block (62) is provided with a driving screw hole (621) for the driving screw rod (352) to penetrate and screw into, so that the two water spray pipes (32) can reciprocate in a direction approaching or moving away from each other.

7. A wire drawing device for welding tin wire according to claim 6, characterized in that: A plurality of universal wheels (15) with foot brakes are fixedly arranged on the bottom side of the box body (1).

8. The wire drawing device for soldering tin wire according to claim 7, characterized in that: A support rod (5) is slidably provided on the vertical side surface of the box body (1) in the vertical direction, and the support rod (5) can slide back and forth in the vertical direction, and the support rod (5) is located below the protruding block (62); The upper edge of the support rod (5) is provided with a guide slope (51), and the protruding block (62) can slide along the guide slope (51) along the water spray pipe (32) to the top of the support rod (5), and the lower end of the support rod (5) is tightly against the ground.

9. A wire drawing device for soldering tin wire according to claim 8, characterized in that: An elastic pad (52) is fixedly provided at the lower end of the support rod (5).

10. The wire drawing device for soldering tin wire according to claim 8, characterized in that: A support plate (16) is fixedly provided on the outer surface of the box body (1), and a limit stopper (53) is fixedly provided on the outer periphery of the support rod (5); The box body (1) is provided with a return compression spring (17) located between the support plate (16) and the limit stopper (53) on the outside, and the two ends of the return compression spring (17) are respectively fixedly connected to the side surfaces of the support plate (16) and the limit stopper (53) that are close to each other.

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