Welding wire drawing device with high precision

Abstract

The utility model discloses a welding wire drawing device with high accuracy, which belongs to the technical field of welding wire drawing and comprises a wire drawing machine, an unwinding roller and a winding roller are arranged at the top of the wire drawing machine, the welding wire drawing device further comprises a wire limiting mechanism, and the wire limiting mechanism comprises a mounting ring and an air pump which are fixedly connected to the top of the wire drawing machine. And the inner wall of the mounting ring is fixedly connected with a push cylinder which is annularly distributed. By means of the mode, through the air pump, the through pipe, the rubber rod, the push cylinder, the supporting block and the ball, rolling limiting on a moving welding wire is achieved, then the welding wire can straightly enter a wire drawing hole in the wire drawing machine, the angle difference caused when the welding wire enters the wire drawing hole is avoided, and compared with an existing mode that the upper end of the surface of the welding wire is pressed downwards, the welding wire is not prone to falling off. According to the mode, the surface of the welding wire is annularly distributed in a rolling abutting mode, it is guaranteed that the abutting force for limiting the welding wire is uniform, and therefore the precision of wire drawing of the welding wire is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding wire drawing technology field, concretely relates to a welding wire drawing device with high accuracy. BACKGROUND

[0002] The welding wire drawing device is the equipment that draws the welding wire with certain diameter and surface quality requirement through the die of metal blank.

[0003] Through the search, the patent "stainless steel welding wire drawing device" authorized announcement number "CN222094341U" realizes the pressure of pay-off drum in pay-off and reduces the deviation, guarantees the precision of welding wire drawing through vertical slide rail frame and mobile lower pressing block.

[0004] In the above application, the surface lower end of the moving welding wire is in a suspended state, and only the mobile lower pressing block is pressed on the surface upper end of the moving welding wire, which easily leads to uneven force on the welding wire, and further easily causes the welding wire to bend into the drawing hole, thereby affecting the precision of welding wire drawing.

[0005] Based on this, the utility model discloses a welding wire drawing device with high accuracy to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of the prior art, the utility model provides a welding wire drawing device with high accuracy.

[0007] To achieve the above purpose, the utility model is realized through the following technical schemes:

[0008] A welding wire drawing device with high accuracy, comprising a drawing machine, a pay-off roller and a take-up roller are arranged on the top of the drawing machine, a wire limiting mechanism is further arranged, the wire limiting mechanism comprises a mounting ring fixedly connected to the top of the drawing machine and an air pump, a plurality of push barrels are fixedly connected to the inner wall of the mounting ring in a ring shape, a rubber rod is slidably connected to the inner wall of the push barrel, a plurality of supporting blocks are fixedly connected to the surface of the rubber rod, a plurality of rolling balls are arranged at the end of the rubber rod and the supporting block in a rolling mode, a pipe is arranged on the surface of the push barrel, the bottom end of the pipe is in communication with the surface of the air pump, and a first spring is fixedly connected to the opposite end of the rubber rod and the push barrel.

[0009] Further, a plurality of fixing blocks are arranged on the top of the drawing machine, a guide sleeve and a cleaning sleeve are fixedly connected to the end of the fixing block.

[0010] Further, the bottom of one of the fixing blocks is fixedly connected to a plurality of connecting rods.

[0011] Further, the top of the drawing machine is fixedly connected with a placing rack, and the surface lower end of the connecting rod is sequentially clamped to one of the fixed blocks and the inner wall of the placing rack.

[0012] Further, the surface of the guide sleeve and the cleaning sleeve is half funnel-shaped.

[0013] Further, the inner wall of the placing rack is slidably connected with two clamping blocks, and the surface of the clamping block is sequentially clamped to one of the fixed blocks and the inner wall of the connecting rod.

[0014] Further, the end of the clamping block is fixedly connected with a second spring, and the other end of the second spring is fixedly connected to the surface upper end of the placing rack.

[0015] Further, the surface of the through pipe is embeddedly installed with a solenoid valve, and the surface of the through pipe is fixedly connected to one end of the mounting ring. Beneficial effects

[0016] Through the air pump, the through pipe, the rubber rod, the push cylinder, the supporting block and the ball, the welding wire in movement is rolled and limited, so that the welding wire can enter the drawing hole of the drawing machine straightly, and the welding wire entering the drawing hole with an angle difference is avoided. Compared with the existing downward pressing of the upper end of the welding wire surface, the lower end of the welding wire surface is in a suspended state. The present application ensures that the limiting resistance of the welding wire is uniform through the annular distribution of the rolling resistance of the welding wire surface, so as to ensure the precision of the welding wire drawing.

[0017] Through the fixed block, the connecting rod, the guide sleeve and the cleaning sleeve, the surface of the welding wire in movement is cleaned and the welding wire is straightened, so that the welding wire surface is prevented from being bent and entering the drawing hole, and the effect of the drawing device on the welding wire drawing is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 It is a perspective view of a welding wire drawing device with high precision;

[0020] Figure 2 It is a perspective view of a drawing machine and a wire limiting mechanism of a welding wire drawing device with high precision;

[0021] Figure 3 It is a sectional view of a push cylinder of a welding wire drawing device with high precision;

[0022] Figure 4 It is an explosion view of the wire limiting mechanism of the high-precision welding wire drawing device.

[0023] The reference numerals in the drawings represent respectively:

[0024] 1, drawing machine; 2, unwinding roller; 3, winding roller; 4, wire limiting mechanism; 41, push cylinder; 42, rubber rod; 43, through pipe; 44, air pump; 45, second spring; 46, supporting block; 47, ball; 48, first spring; 49, mounting ring; 410, electromagnetic valve; 411, fixed block; 412, guide sleeve; 413, cleaning sleeve; 414, placing rack; 415, connecting rod; 416, clamping block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The present application will be further described below in combination with the embodiments.

[0027] In some embodiments, please refer to the drawings attached Figures 1-4 The present application relates to a high-precision welding wire drawing device, which comprises a drawing machine 1, wherein the top of the drawing machine 1 is provided with an unwinding roller 2 and a winding roller 3, and further comprises a wire limiting mechanism 4, wherein the wire limiting mechanism 4 comprises a mounting ring 49 fixedly connected to the top of the drawing machine 1 and an air pump 44, the inner wall of the mounting ring 49 is fixedly connected with push cylinders 41 distributed in a ring shape, the inner wall of the push cylinders 41 is slidably connected with rubber rods 42, the surface of the rubber rods 42 is fixedly connected with two supporting blocks 46, the opposite ends of the rubber rods 42 and the supporting blocks 46 are both rollingly connected with balls 47, the surface of the push cylinders 41 is communicated with a through pipe 43, the bottom end of the through pipe 43 is communicated with the surface of the air pump 44, and the opposite ends of the rubber rods 42 and the push cylinders 41 are fixedly connected with first springs 48.

[0028] The drawing machine 1 is composed of a wire unwinding device, an electrical control device, a tension control device, a drawing die, a drawing device, a lubricating device, a cooling device and a wire winding device, and the drawing machine 1 is a relatively mature device at present, and thus will not be described here.

[0029] The top of the wire drawing machine 1 is rotationally connected with two limiting rods, the inner wall lower end of the unwinding roller 2 is clamped to the surface of one of the limiting rods, the inner wall lower end of the winding roller 3 is clamped to the surface of the other limiting rod, the front end of the wire drawing machine 1 is fixedly connected with a lubricating box, the top of the lubricating box is communicated with a liquid pumping pump, and the surface upper end of the liquid pumping pump penetrates and extends to the inner wall upper end of the wire drawing machine 1.

[0030] In the embodiment of the utility model, when the welding wire needs to be drawn, the unwinding roller 2 is clamped to the surface of one of the limiting rods, the winding roller 3 is clamped to the surface of the other limiting rod, one end of the welding wire wound by the unwinding roller 2 penetrates the inner wall of the wire drawing machine 1 and is installed to the surface of the winding roller 3, at this time, the air pump 44 is manually opened, the air pump 44 extracts the external air for compression and is delivered to the three push barrels 41 through the pipe 43 respectively, the excessive gas in the push barrel 41 drives the rubber rod 42 and the supporting block 46 to move downward, the plurality of ball bearings 47 are abutted on the surface of the welding wire, and the welding wire is further rolled and limited, the wire drawing machine 1 is powered on to drive the limiting rod to rotate, the rotating limiting rod drives the unwinding roller 2 and the winding roller 3 to rotate, the unwinding roller 2 rotates to release the welding wire, the winding roller 3 rotates to wind and pull the released welding wire, the welding wire moves on the three groups of ball bearings 47 and is straightly delivered to the wire drawing machine 1, the liquid pumping pump is manually opened, the liquid pumping pump extracts the lubricating oil stored in the lubricating box and sprays to the surface of the welding wire, at this time, the welding wire with the surface sprayed with the lubricating oil is straightly inserted into the wire drawing hole, under the action of the drawing force, the welding wire passes through the wire drawing hole, the diameter gradually decreases and the length gradually increases, in the drawing process, the lubricating liquid plays a role of lubrication and cooling, reduces the friction and the generation of heat, in order to achieve the required diameter of the welding wire, the wire drawing machine 1 is usually provided with multiple drawing, after each drawing, the diameter of the welding wire is further reduced, between the adjacent two drawings, the welding wire may need to be treated, such as annealing, pickling and the like, to eliminate work hardening and improve the plasticity and toughness of the welding wire, at this time, the winding roller 3 winds the finally drawn welding wire.

[0031] In the embodiment of the utility model, through the air pump 44, the pipe 43, the rubber rod 42, the push barrel 41, the supporting block 46 and the ball bearing 47, the welding wire in movement is rolled and limited, the welding wire can be straightly inserted into the wire drawing hole of the wire drawing machine 1, the welding wire is prevented from entering the wire drawing hole with an angle difference, the abutting force of the welding wire limiting is uniform, and the precision of the welding wire drawing is ensured.

[0032] In some embodiments, such as Figure 4As shown in the utility model, as a preferred embodiment of the utility model, the top of the wire drawing machine 1 is provided with two fixed blocks 411, the end of the fixed block 411 is fixedly connected with a guide sleeve 412 and a cleaning sleeve 413, the bottom of one of the fixed blocks 411 is fixedly connected with two connecting rods 415, the top of the wire drawing machine 1 is fixedly connected with a placing rack 414, the surface lower end of the connecting rod 415 is sequentially clamped to the inner wall of one of the fixed blocks 411 and the placing rack 414, the surface of the guide sleeve 412 and the cleaning sleeve 413 is in a half funnel shape, the inner wall of the placing rack 414 is slidably connected with two clamping blocks 416, the surface of the clamping block 416 is sequentially clamped to the inner wall of one of the fixed blocks 411 and the connecting rod 415, the end of the clamping block 416 is fixedly connected with a second spring 45, and the other end of the second spring 45 is fixedly connected to the surface upper end of the placing rack 414. The cleaning sleeve 413 is a stainless steel component.

[0033] In the embodiment of the utility model, the bottom of one of the fixed blocks 411 is abutted against the top of the placing rack 414, and the connecting rod 415 is sequentially clamped in one of the fixed blocks 411 and the placing rack 414, at this time, the elastic force of the second spring 45 pushes the clamping block 416 to move, so that the clamping block 416 is sequentially clamped into one of the fixed blocks 411 and the connecting rod 415, one of the fixed blocks 411 and the connecting rod 415 are locked on the placing rack 414, one of the guide sleeves 412 is stably abutted against the other guide sleeve 412, one of the cleaning sleeves 413 is abutted against the other cleaning sleeve 413, the welding wire is guided into the cleaning sleeve 413 through the guide sleeve 412, and the cleaning sleeve 413 cleans the surface of the moving welding wire and straightens the moving welding wire.

[0034] In the embodiment of the utility model, through the fixed block 411, the connecting rod 415, the guide sleeve 412 and the cleaning sleeve 413, the surface of the moving welding wire is cleaned and the welding wire is straightened, so that the surface of the welding wire is prevented from being bent into the wire drawing hole, and the effect of the wire drawing device on the wire drawing of the welding wire is ensured.

[0035] In some embodiments, as shown in the utility model, Figure 3 As a preferred embodiment of the utility model, the surface of the through pipe 43 is embeddedly installed with an electromagnetic valve 410, and the surface of the through pipe 43 is fixedly connected to one end of the mounting ring 49.

[0036] In the embodiment of the utility model, when it is required to move the three groups of balls 47 away from each other, the electromagnetic valve 410 is manually opened, the electromagnetic valve 410 is unblocked, the gas in the push cylinder 41 is discharged through the through pipe 43 and the electromagnetic valve 410, at this time, the elastic force of the first spring 48 pushes the rubber rod 42 and the supporting block 46 to move to a suitable position, then the electromagnetic valve 410 is manually closed, and the through pipe 43 is blocked.

[0037] It should be noted that the above description of the drawing machine 1, pay-off roll 2, winding roll 3, air pump 44 and solenoid valve 410 are all mature devices in the prior art, and the specific model can be selected according to the actual needs, and the power supply of the drawing machine 1, air pump 44 and solenoid valve 410 can be built-in power supply or mains power supply. The specific power supply mode is selected as the case may be, and will not be described here.

[0038] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high-precision welding wire drawing device, comprising a wire drawing machine (1), wherein the top of the wire drawing machine (1) is provided with an unwinding roller (2) and a winding roller (3), characterized in that: It also includes a wire limiting mechanism (4), which includes an installation ring (49) fixedly connected to the top of the wire drawing machine (1) and an air pump (44). The inner wall of the installation ring (49) is fixedly connected to a ring-shaped push cylinder (41). The inner wall of the push cylinder (41) is slidably connected to a rubber rod (42). The surface of the rubber rod (42) is fixedly connected to two support blocks (46). The ends of the rubber rod (42) and the support blocks (46) are both rolled with ball bearings (47). The surface of the push cylinder (41) is connected to a through pipe (43). The bottom end of the through pipe (43) is connected to the surface of the air pump (44). The opposite ends of the rubber rod (42) and the push cylinder (41) are fixedly connected to a first spring (48).

2. The high-precision welding wire drawing device according to claim 1, characterized in that, The top of the wire drawing machine (1) is provided with two fixing blocks (411), and the ends of the fixing blocks (411) are fixedly connected with guide sleeves (412) and cleaning sleeves (413).

3. The high-precision welding wire drawing device according to claim 2, characterized in that, Two connecting rods (415) are fixedly connected to the bottom of one of the fixed blocks (411).

4. The high-precision welding wire drawing device according to claim 3, characterized in that, The top of the wire drawing machine (1) is fixedly connected to a placement frame (414), and the lower end of the surface of the connecting rod (415) is sequentially engaged with one of the fixing blocks (411) and the inner wall of the placement frame (414).

5. The high-precision welding wire drawing device according to claim 2, characterized in that, The surfaces of both the guide sleeve (412) and the cleaning sleeve (413) are shaped like a half-funnel.

6. The high-precision welding wire drawing device according to claim 4, characterized in that, The inner wall of the placement rack (414) is slidably connected with two locking blocks (416), and the surface of the locking blocks (416) is sequentially locked to the inner wall of one of the fixing blocks (411) and the connecting rod (415).

7. The high-precision welding wire drawing device according to claim 6, characterized in that, The end of the card block (416) is fixedly connected to a second spring (45), and the other end of the second spring (45) is fixedly connected to the upper surface of the placement rack (414).

8. The high-precision welding wire drawing device according to claim 1, characterized in that, A solenoid valve (410) is embedded in the surface of the through pipe (43), and the surface of the through pipe (43) is fixedly connected to one end of the mounting ring (49).

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