Welding mechanism of steel wire butt welding machine

Abstract

The utility model relates to a welding mechanism of a steel wire butt welding machine, which comprises a bottom plate, a fixed clamp seat, a movable clamp seat, a multi-groove clamp, a translation mechanism, a steel wire alignment adjusting mechanism and a cam type pressing mechanism, the fixed clamp seat is fixed on the bottom plate, the movable clamp seat is fixed on a linear bearing shaft of the translation mechanism, and the multi-groove clamp is fixed on the multi-groove clamp. The front sides of the fixed clamp seat and the movable clamp seat are correspondingly connected with a multi-groove clamp along with approaching or leaving of the linear bearing shaft, the upper portions of the fixed clamp seat and the movable clamp seat are respectively connected with a cam type pressing mechanism, and the rear side of the movable clamp seat is connected with a steel wire alignment adjusting mechanism through a guide shaft. The clamp adopts a multi-groove form and is suitable for steel wires with different diameters; the multi-groove clamp deflects up and down with the linear bearing shaft as the axis to achieve high-low alignment of the steel wires at the two ends; and meanwhile, an adjusting hand wheel combination is arranged, the welding starting distance is adjusted, the welding pressure is changed, and adaptability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel wire butt welding machine technical field, specifically related to a kind of welding mechanism of steel wire butt welding machine, it is applicable to the welding of thick diameter steel wire, it is commonly used in the steel wire butt welding of steel wire drawing process continuous production. BACKGROUND

[0002] Resistance welding steel wire butt welding machine is indispensable in the production process of steel wire product, and its principle is to use the contact resistance of two steel wire heads plus low voltage and large current to make the two heads of steel wire rapidly heat and melt together.

[0003] For the butt welding of 8-20mm thick steel wire, the conventional butt welding machine has the following problems:

[0004] 1, the head straightening requirement before steel wire welding is higher, and the two ends of the steel wire clamped by clamp are uneven, which affects the welding strength;

[0005] 2, the clamp for clamping thick diameter steel wire usually adopts screw rotation clamping, and the threaded rotation compression time is long, so that clamping is unsafe, especially high-carbon steel wire and special steel wire containing alloy components, which are easy to hurt people;

[0006] 3, the clamp is provided with only single clamping groove, and the diameter range of the clamped steel wire is small. INVENTION CONTENTS

[0007] The utility model discloses a kind of welding mechanism of steel wire butt welding machine, clamp adopts multi-slot form, adapt to different diameter steel wire;Multi-slot clamp is deflected up and down with linear bearing shaft as pivot, realize the high-low alignment of two ends of steel wire;It is equipped with adjusting hand wheel combination simultaneously, realize the adjustment of welding initial distance, to change welding pressure, more stronger adaptability.

[0008] The utility model discloses a kind of welding mechanism of steel wire butt welding machine, clamp adopts multi-slot form, adapt to different diameter steel wire;Multi-slot clamp is deflected up and down with linear bearing shaft as pivot, realize the high-low alignment of two ends of steel wire;It is equipped with adjusting hand wheel combination simultaneously, realize the adjustment of welding initial distance, to change welding pressure, more stronger adaptability.

[0009] A kind of welding mechanism of steel wire butt welding machine, including bottom plate, fixed clamp seat, movable clamp seat, multi-slot clamp, translation mechanism, steel wire alignment adjustment mechanism and cam type compression mechanism, the fixed clamp seat is fixed on bottom plate, the movable clamp seat is fixed on the linear bearing shaft of translation mechanism, with linear bearing shaft approaches or away from fixed clamp seat, the front side of fixed clamp seat and movable clamp seat is connected with multi-slot clamp, and one cam type compression mechanism is connected above respectively, the rear side of movable clamp seat is connected with steel wire alignment adjustment mechanism by guide shaft.

[0010] Preferably, the guide shaft is fixed at the rear side of the movable clamp base and parallel to the linear bearing shaft, the steel wire alignment adjusting mechanism comprises a ball bearing, an adjusting structure and a vertical adjusting screw, the ball bearing is rotationally arranged at the front side of the adjusting structure, the two ball bearings clamp the guide shaft from top to bottom, the vertical adjusting screw is screwed through the adjusting structure and the bottom plate, the vertical adjusting screw drives the guide shaft clamped between the ball bearings to synchronously ascend and descend, and the multi-groove clamp on the movable clamp base is deflected with the linear bearing shaft as the center.

[0011] Preferably, the ball bearing is fixed on the adjusting structure through an eccentric pin shaft, the gap between the two ball bearings is adjusted through the eccentric pin shaft, so as to adjust the clamping of the guide shaft.

[0012] Preferably, a vertical pin is vertically arranged in the adjusting structure, the vertical pin is fixed on the bottom plate, the vertical pin is slidably arranged in the adjusting structure, the vertical adjusting screw is arranged at one side of the vertical pin, the vertical adjusting screw is sequentially screwed through a plane bearing, the adjusting structure and a compression spring and is threadedly connected with the bottom plate.

[0013] Preferably, the translation mechanism further comprises a linear bearing, a left bearing seat, a right bearing seat, a large pitch nut, a large pitch handle and an adjusting hand wheel assembly, the linear bearing shaft is supported by the linear bearing at both ends and is supported on the left bearing seat and the right bearing seat, the right bearing seat is embedded with the large pitch nut, the large pitch nut is screwed with the large pitch handle, and the large pitch nut and the large pitch handle constitute a threaded part of a moving distance.

[0014] The adjusting hand wheel assembly is screwed at the right side of the linear bearing shaft, the inner end of the adjusting hand wheel assembly is inserted into the large pitch handle and is threadedly connected with the outer thread at the right side of the linear bearing shaft, the linear bearing shaft is hollow and is provided with an elongated tension screw, the elongated tension screw is provided with a compression spring, one end of the elongated tension screw is limited in the linear bearing shaft by a compression adjusting nut, and the other end of the elongated tension screw is fixed on the left end plate of the left bearing seat, and the compression adjusting nut is arranged in the cavity of the adjusting hand wheel assembly.

[0015] Preferably, the adjusting hand wheel assembly is provided with a plane bearing corresponding to the large pitch handle, and the plane bearing is tightly attached to the outer end surface of the large pitch handle.

[0016] Preferably, the cam pressing mechanism installed on the fixed clamp seat and the movable clamp seat is left-right symmetrical, the cam pressing mechanism comprises a clamp body, an eccentric shaft, a cam, a pressing handle, a steel pad, a copper sliding sleeve, an adjusting threaded sleeve, a pressing block seat and an upper pressing block, the eccentric shaft is horizontally arranged in the top of the clamp body, the cam is fixed on the eccentric shaft, one end of the eccentric shaft extends out of the clamp body and is connected with the pressing handle, the steel pad is arranged below the cam, the steel pad is connected with the copper sliding sleeve, the copper sliding sleeve is vertically slidably arranged in the inner cavity of the clamp body, the adjusting threaded sleeve is screwed in the copper sliding sleeve, the adjusting threaded sleeve is connected with the pressing block seat, the pressing block seat is connected with the upper pressing block, and the upper pressing block is matched with the multi-groove clamp on the corresponding side.

[0017] Preferably, a plurality of V-shaped grooves with different sizes are arranged on the multi-groove clamp.

[0018] The beneficial effects of the utility model are as follows:

[0019] The steel wire alignment adjusting mechanism is arranged on the rear side of the movable clamp seat, the height of the guide shaft parallel to the linear bearing shaft is adjusted, so that the multi-groove clamp on the front side of the linear bearing shaft of the movable clamp seat is deflected up and down around the linear bearing shaft as the center, and the alignment of the steel wires at two ends is realized.

[0020] The cam pressing mechanism is used for pressing the head of the rough steel wire, the clamp matched with the pressing block adopts the multi-groove form, the adjusting threaded sleeve is arranged for adjusting the downward pressing force, the steel wires with different diameters are adapted, and the labor intensity of the operator is greatly reduced.

[0021] Different steel wires need different welding starting distances and different welding pressures due to different cross-sectional areas, the adjusting hand wheel combination is arranged on the right end of the translation mechanism, the welding starting distance is adjusted, the welding pressure is changed, and the adaptability is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the welding mechanism of the steel wire butt welding machine.

[0023] Figure 2 It is a rear view. Figure 1

[0024] Figure 3 It is a structural schematic view of the steel wire alignment adjusting mechanism.

[0025] Figure 4 It is a structural schematic view of the translation mechanism.

[0026] Figure 5 It is a structural schematic view of the cam pressing mechanism.

[0027] Figure 6 ​It is the internal structure schematic view of cam type pressing mechanism.

[0028] Figure 7 It is the structure schematic view of multi-groove clamp.

[0029] Wherein: bottom plate 1; stopper 1.1; fixed clamp seat 2; movable clamp seat 3; translation mechanism 4; linear bearing shaft 4.1; linear bearing 4.2; left bearing seat 4.3; right bearing seat 4.4; large pitch nut 4.5; large pitch handle 4.6; adjusting hand wheel combination 4.7; lengthened tension screw 4.8; compression spring 4.9; pressing adjusting nut 4.10; limit switch 4.11; limit adjusting device 4.12; welding on-off switch 4.13; multi-groove clamp 5; V-shaped groove 5.1; steel wire alignment adjusting mechanism 6; ball bearing 6.1; eccentric pin shaft 6.2; adjusting structure body 6.3; stud pin 6.4; vertical adjusting screw 6.5; plane bearing 6.6; compression spring 6.7; cam type pressing mechanism 7; clamp body 7.1; eccentric shaft 7.2; cam 7.3; pressing handle 7.4; steel pad 7.5; copper sliding sleeve 7.6; adjusting threaded sleeve 7.7; pressing block seat 7.8; upper pressing block 7.9; guide shaft 8. DETAILED DESCRIPTION

[0030] Referring to Figures 1-7 The utility model relates to a kind of welding mechanism of steel wire butt welding machine, including bottom plate 1, fixed clamp seat 2, movable clamp seat 3, translation mechanism 4, multi-groove clamp 5, steel wire alignment adjusting mechanism 6 and cam type pressing mechanism 7, the fixed clamp seat 2 is fixed on bottom plate 1, the movable clamp seat 3 is driven by translation mechanism 4 to be close to or far from fixed clamp seat 2, the fixed clamp seat 2 and movable clamp seat 3 front side correspondingly connect multi-groove clamp 5, are connected with a cam type pressing mechanism 7 respectively above, the rear side of movable clamp seat 3 is connected with steel wire alignment adjusting mechanism 6.

[0031] The translation mechanism 4 includes a linear bearing shaft 4.1, a linear bearing 4.2, a left bearing seat 4.3, a right bearing seat 4.4, a large pitch nut 4.5, a large pitch handle 4.6, and an adjusting hand wheel assembly 4.7. The movable clamp seat 3 is fixed on the linear bearing shaft 4.1, the linear bearing shaft 4.1 is supported by the linear bearing 4.2 on the left bearing seat 4.3 and the right bearing seat 4.4 at both ends, the left and right bearing seats 4.3 and 4.4 are fixed on the bottom plate 1, the right bearing seat 4.4 is embedded with the large pitch nut 4.5, the large pitch nut 4.5 is screwed with the large pitch handle 4.6, the large pitch nut 4.5 and the large pitch handle 4.6 form a threaded part of the moving distance, which is used to open the distance during welding, the right side of the linear bearing shaft 4.1 is screwed with the adjusting hand wheel assembly 4.7, the inner end of the adjusting hand wheel assembly 4.7 extends into the large pitch handle 4.6 and is connected with the outer thread of the right side of the linear bearing shaft 4.1. The linear bearing shaft 4.1 is hollow, and a lengthened tension screw 4.8 is arranged in the linear bearing shaft 4.1. The lengthened tension screw 4.8 is sleeved with a compression spring 4.9, one end of the lengthened tension screw 4.8 limits the compression spring 4.9 in the linear bearing shaft 4.1 through a compression adjusting nut 4.10, and the other end is fixed on the left end plate of the left bearing seat 4.3. The compression adjusting nut 4.10 is arranged in the cavity of the adjusting hand wheel assembly 4.7.

[0032] The linear bearing shaft 4.1 passes through the fixed clamp seat 2, and the fixed clamp seat 2 is provided with a large circular hole corresponding to the linear bearing shaft 4.1, which is in clearance fit with the linear bearing shaft 4.1.

[0033] The adjusting hand wheel assembly 4.7 is used to adjust the initial distance between the movable clamp seat 3 and the fixed clamp seat 2, so as to adjust the welding pressure and adapt to the butt welding of steel wires with different diameters. The adjusting hand wheel assembly is provided with a plane bearing corresponding to the large pitch handle 4.6, which is in close contact with the large pitch handle 4.6. The bottom plate 1 is provided with a limiter 1.1 corresponding to the large pitch handle 4.6, which is used to fix the position of the rotating large pitch handle.

[0034] The movable clamp base 3 is connected with the steel wire alignment adjusting mechanism 6 through the guide shaft 8 fixed on the rear side of the movable clamp base 3 and parallel to the linear bearing shaft 4.1, the steel wire alignment adjusting mechanism 6 comprises a ball bearing 6.1, an eccentric pin shaft 6.2, an adjusting structure 6.3, a column pin 6.4, and a vertical adjusting screw 6.5, the two ball bearings 6.1 are clamped on the guide shaft 8, the ball bearings 6.1 are fixed on the adjusting structure 6.3 through the eccentric pin shaft 6.2, the gap between the two ball bearings 6.1 is adjusted through the eccentric pin shaft 6.2, so as to adjust the clamping of the guide shaft 8, the column pin 6.4 is vertically arranged in the adjusting structure 6.3, the column pin 6.4 is fixed on the bottom plate 1, the column pin 6.4 is slidably arranged in the adjusting structure 6.3, one side of the column pin 6.4 is provided with the vertical adjusting screw 6.5, the vertical adjusting screw 6.5 is sequentially threaded through the plane bearing 6.6, the adjusting structure 6.3 and the compression spring 6.7 and is screwed with the bottom plate 1, the hand wheel at the top of the vertical adjusting screw 6.5 is rotated, the vertical adjusting screw 6.5 drives the adjusting structure 6.3 and the guide shaft 8 to ascend or descend, the movable clamp base 3 drives the multi-groove clamp 5 on it to deflect around the linear bearing shaft 4.1 as the rotating center, the guide shaft 8 on the rear side of the linear bearing shaft 4.1 is downward or upward, and the corresponding multi-groove clamp 5 on the front side is upward or downward, so as to realize the alignment adjustment of the steel wires in the left and right multi-groove clamps.

[0035] The cam type pressing mechanism 7 installed on the fixed clamp base 2 and the movable clamp base 3 is left-right symmetrical, the cam type pressing mechanism 7 comprises a clamp body 7.1, an eccentric shaft 7.2, a cam 7.3, a pressing handle 7.4, a steel pad 7.5, a copper sliding sleeve 7.6, an adjusting threaded sleeve 7.7, a pressing block seat 7.8 and an upper pressing block 7.9, the clamp body 7.1 is fixed on the fixed clamp base 2 or the movable clamp base 3 through a screw, the eccentric shaft 7.2 is horizontally arranged on the top of the clamp body 7.1, the cam 7.3 is fixed on the eccentric shaft 7.2, one end of the eccentric shaft 7.2 is connected with the pressing handle 7.4 after extending out of the clamp body 7.1, the steel pad 7.5 is arranged below the cam 7.3, one side of the steel pad 7.5 is provided with a spring, the clamp body 7.1 is provided with a spring accommodating hole corresponding to the spring, the steel pad 7.5 is connected with the copper sliding sleeve 7.6, the copper sliding sleeve 7.6 is vertically slidably arranged in the inner cavity of the clamp body 7.1, the adjusting threaded sleeve 7.7 is screwed in the copper sliding sleeve 7.6, the adjusting threaded sleeve 7.7 is used for adjusting the downward pressing force, the adjusting threaded sleeve 7.7 is connected with the pressing block seat 7.8, the pressing block seat 7.8 is connected with the upper pressing block 7.9, and the upper pressing block 7.9 is matched with the corresponding multi-groove clamp 5.

[0036] The multi-groove clamp 5 is respectively provided with a plurality of V-shaped grooves 5.1 of different sizes, different diameter steel wires can be placed in different V-shaped grooves for welding, so as to expand the welding range of the steel wire diameter.

[0037] The right bearing seat 4.4 corresponds to the large pitch handle 4.6, and is further provided with a limit switch 4.11, a limit adjustment device 4.12 and a welding on-off switch 4.13, the limit switch 4.11 is used for quick power-off at the end of welding, the limit adjustment device 4.12 is used for position adjustment of welding power-off, and the welding on-off switch 4.13 is in a power-off state when the steel wire is clamped, when the large pitch handle 4.6 is pushed forward, the welding on-off switch 4.13 is pressed to turn on the power supply, so that the two ends of the steel wire are short-circuited to generate heat and melt together.

[0038] Working principle:

[0039] First, the large pitch handle 4.6 is pulled to the open position, the two steel wire head parts are respectively placed between the cam type pressing mechanism 7 and the multi-groove clamp 5 on the left and right sides, the pressing handle 7.4 of the cam type pressing mechanism 7 is pressed down, so that the steel wire is in a pressed state, the height of the right steel wire is adjusted through the steel wire alignment adjustment mechanism 6, so that the left and right steel wire head parts are aligned, the welding starting distance of the steel wire with different diameters is adjusted through the adjusting hand wheel assembly 4.7, the large pitch handle 4.6 is pulled to the on position, the movable clamp seat 3 is pushed forward under the action of the lengthened tension screw 4.8 and the compression spring 4.9, at the same time the power supply is turned on, the steel wire is rapidly heated and melted under the action of low-voltage large current, so that the two ends of the steel wire are fused together.

[0040] In addition to the above-mentioned embodiments, the utility model also includes other implementation manners, and the technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the utility model claim.

Claims

1. A welding mechanism of a steel wire butt welding machine, characterized by: The utility model provides a kind of steel wire straightening device, including bottom plate, fixed clamp seat, movable clamp seat, multi-slot clamp, translation mechanism, steel wire alignment adjusting mechanism and cam type compression mechanism, the fixed clamp seat is fixed on bottom plate, the movable clamp seat is fixed on linear bearing shaft of translation mechanism, and linear bearing shaft is close to or away from fixed clamp seat, the front side of fixed clamp seat and movable clamp seat is connected with multi-slot clamp respectively, and cam type compression mechanism is connected above, the rear side of movable clamp seat is connected with steel wire alignment adjusting mechanism by guide shaft.

2. A welding mechanism of a steel wire butt welding machine according to claim 1, characterized in that: The guide shaft is fixed on the rear side of movable clamp seat and parallel to linear bearing shaft, and the steel wire alignment adjusting mechanism includes ball bearing, adjusting structure and vertical adjusting screw, the ball bearing is rotationally arranged on the front side of adjusting structure, the guide shaft is clamped between two ball bearings, the vertical adjusting screw is screwed with bottom plate through adjusting structure, the guide shaft is driven by vertical adjusting screw and is lifted synchronously, and the multi-slot clamp on movable clamp seat is deflected with linear bearing shaft as axis.

3. A welding mechanism of a steel wire butt welding machine according to claim 2, characterized in that: The ball bearing is fixed on adjusting structure by eccentric pin shaft, the gap between two ball bearings is adjusted by eccentric pin shaft, so that the guide shaft is clamped is adjusted.

4. The welding mechanism of a wire butt welding machine according to claim 2, characterized in that: The adjusting structure is vertically provided with a stud pin, the stud pin is fixed on the bottom plate, the stud pin is slidably fitted with the adjusting structure, the vertical adjusting screw is arranged on one side of the stud pin, and the vertical adjusting screw is sequentially threaded through the plane bearing, the adjusting structure and the compression spring and is threadedly connected with the bottom plate.

5. The welding mechanism of a wire butt welding machine according to claim 1, characterized in that: The translation mechanism further includes linear bearing, left bearing seat, right bearing seat, large pitch nut, large pitch handle and adjusting hand wheel combination, the both ends of linear bearing shaft are respectively supported by linear bearing in left bearing seat and right bearing seat, the large pitch nut is embedded in right bearing seat, the large pitch nut is screwed with large pitch handle, and the large pitch nut and the large pitch handle form screw thread of moving distance; The right side of linear bearing shaft is screwed with adjusting hand wheel combination, the inner end of adjusting hand wheel combination is inserted into the outer thread of large pitch handle and linear bearing shaft right side, the linear bearing shaft is hollow, and the lengthened tension screw is arranged in the linear bearing shaft, the lengthened tension screw is provided with compression spring, one end of the lengthened tension screw is limited in the linear bearing shaft by compression adjusting nut, and the other end is fixed on the left end plate of left bearing seat, and the compression adjusting nut is arranged in the cavity of adjusting hand wheel combination.

6. A welding mechanism of a steel wire butt welding machine according to claim 5, characterized in that: The adjusting hand wheel combination is provided with plane bearing corresponding to the large pitch handle, and the plane bearing is tightly attached to the outer end surface of the large pitch handle.

7. The welding mechanism of a wire butt welding machine according to claim 1, characterized in that: The cam type compression mechanism installed on the fixed clamp seat and the movable clamp seat is left-right symmetrical, and the cam type compression mechanism includes clamp body, eccentric shaft, cam, compression handle, steel pad, copper sliding sleeve, adjusting threaded sleeve, pressing block seat and upper pressing block, the eccentric shaft is horizontally arranged in the top of clamp body, the cam is fixed on the eccentric shaft, one end of the eccentric shaft is connected with the compression handle after extending out of the clamp body, the steel pad is arranged below the cam, the steel pad is connected with the copper sliding sleeve, the copper sliding sleeve is vertically slidably fitted with the inner cavity of the clamp body, the adjusting threaded sleeve is screwed in the copper sliding sleeve, the adjusting threaded sleeve is connected with the pressing block seat, the pressing block seat is connected with the upper pressing block, and the upper pressing block is matched with the corresponding multi-slot clamp.

8. The welding mechanism of a wire butt welding machine according to claim 1, characterized in that: The multi-slot fixture is provided with multiple V-shaped slots with different sizes.

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