阅读说明：本技术 一种细钢丝脉冲激光对焊夹具 (Thin steel wire pulse laser butt welding clamp ) 是由 张勇 王溥泽 马铁军 于 2020-05-26 设计创作，主要内容包括：本发明一种细钢丝脉冲激光对焊夹具,属于钢丝焊接领域；包括固定底座、三维调节装置、旋转调节装置、大槽板、小槽板和压夹,所述固定底座包括平面底板和支撑台,所述支撑台固定于平面底板的一侧,用于安装小槽板；所述三维调节装置固定于平面底板的另一侧,所述大槽板通过旋转调节装置水平安装于三维调节装置正上方,压夹用于压紧固定钢丝；通过小槽板与大槽板上对接端口的不同组合,实现焊接钢丝在0°到90°范围内的任意角度对中；在大小槽板正反面对称加工多个相同的V形固定槽道,当某个固定槽道多次使用后因高温变形或被焊材堵塞后可以重新安装槽板,以使用新的槽道,方便多次使用。(The invention relates to a pulse laser butt welding fixture for a thin steel wire, belonging to the field of steel wire welding; the device comprises a fixed base, a three-dimensional adjusting device, a rotary adjusting device, a large groove plate, a small groove plate and a pressing clamp, wherein the fixed base comprises a plane bottom plate and a supporting table, and the supporting table is fixed on one side of the plane bottom plate and used for mounting the small groove plate; the three-dimensional adjusting device is fixed on the other side of the plane bottom plate, the large trough plate is horizontally arranged right above the three-dimensional adjusting device through the rotary adjusting device, and the pressing clamp is used for pressing and fixing the steel wire; through different combinations of butt joint ports on the small groove plate and the large groove plate, the welding steel wire can be centered at any angle within the range of 0-90 degrees; a plurality of same V-arrangement fixed channels are symmetrically processed on the front and back surfaces of the large and small channel plates, and the channel plates can be installed again after a certain fixed channel is used for many times due to high-temperature deformation or blockage by welding materials so as to use a new channel and facilitate repeated use.)

1. The utility model provides a thin steel wire pulse laser butt welding anchor clamps which characterized in that: the device comprises a fixed base, a three-dimensional adjusting device, a rotary adjusting device, a large groove plate, a small groove plate and a pressing clamp, wherein the fixed base comprises a plane bottom plate and a supporting table, and the supporting table is fixed on one side of the plane bottom plate and used for mounting the small groove plate; the three-dimensional adjusting device is fixed on the other side of the plane bottom plate, the large trough plate is horizontally arranged right above the three-dimensional adjusting device through the rotating adjusting device, and the three-dimensional adjusting device and the rotating adjusting device are respectively used for adjusting the XYZ direction and the horizontal rotating angle of the large trough plate;

the small groove plate is of a cuboid block structure and is horizontally fixed in the clamping groove above the supporting table through a screw, the upper surface and the lower surface of the small groove plate are both square, and two V-shaped grooves are formed along the central line of the square and are used for placing a section of the steel wire to be welded;

the large groove plate is of a cuboid block structure, the upper surface and the lower surface of the large groove plate are both square, and 3V-shaped grooves are respectively formed in the large groove plate and used for placing the other section of the steel wire to be welded; one V-shaped groove on the upper surface of the large groove plate is formed along one diagonal line of the square, and the other two V-shaped grooves are respectively formed at the edges of two opposite sides of the square; one side port of each of the two V-shaped grooves on the opposite side is positioned at the vertex angle of the other diagonal line, and the other side port of each of the two V-shaped grooves on the opposite side is prevented from interfering or intersecting with the V-shaped groove on the diagonal line; the three V-shaped grooves on the lower surface of the large groove plate are symmetrical to the V-shaped grooves on the upper surface of the large groove plate and have the same structure;

the pressing clamp comprises a clamping head and two clamping plates, one clamping plate is arranged on the upper surface of the supporting table through a rail groove and can slide along the rail groove, and the other clamping plate is positioned above the rail groove; the chuck is of a flat plate structure, is fixed at the head of the clamping plate at the other side, is positioned above the V-shaped groove communicated with the small groove plate and the large groove plate, can be completely attached to the upper surface of the supporting table during compression, and is used for compressing and fixing steel wires in the V-shaped grooves of the small groove plate and the large groove plate; and a welding window is formed in the chuck, and the position of the welding window is adjusted by sliding the clamping plate on one side.

2. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: the cross sections of the ports on two sides of one V-shaped groove on the upper surface of the small groove plate are flush with the side wall where the port is located, and the cross sections of the ports on two sides of the other V-shaped groove form an angle of 45 degrees with the side wall where the port is located; the two V-shaped grooves on the lower surface of the small groove plate are symmetrical to the V-shaped grooves on the upper surface of the small groove plate and have the same structure.

3. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: the cross sections of the ports at the two sides of the V-shaped groove on the diagonal line of the large groove plate are vertical to the diagonal line; the V-shaped grooves on the opposite sides have the port sections at the top corners forming an angle of 45 degrees with the straight line of the groove bottom edges.

4. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: 4 edges and corners of the large groove plate in the circumferential direction are round chamfers, so that gapless contact with the butt joint port of the small groove plate in different angle matching can be guaranteed, and meanwhile, the matching transition of the port is facilitated during rotary adjustment.

5. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: the large groove plate, the small groove plate and the pressing clamp are all made of 2024 aluminum alloy.

6. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: the fixed base is made of Q235 carbon steel.

7. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: the adjusting precision of the three-dimensional adjusting device is 0.01 mm.

8. The fine steel wire pulse laser butt welding fixture according to claim 1, characterized in that: the adjustment accuracy of the rotary adjustment device is 5'.

Technical Field

The invention belongs to the field of steel wire welding, and particularly relates to a pulse laser butt welding clamp for a thin steel wire.

Background

When the thin steel wires are butt-welded, the centering precision of the steel wires is an important guarantee for the welding quality. At present, when steel wires with the diameter of less than 1mm are butt-welded, the steel wires are usually centered before welding by putting the steel wires into a fixed pore passage.

Patent CN205702893U discloses a butt welding device for thin steel wires, which can not realize the butt welding of steel wires at any angle within the range of 0 ° to 90 ° because of using a closed fixed pore channel to complete the centering; and when the shape of the steel wire port is irregular or the port is deformed, the requirement of pulse laser welding on the centering precision of the thin steel wire is difficult to guarantee, and the butt welding quality is influenced.

Disclosure of Invention

The technical problem to be solved is as follows:

in order to avoid the defects of the prior art, the invention designs a pulse laser butt welding fixture for thin steel wires with the diameter smaller than 1mm, the steel wires are pressed in a V-shaped groove through external force to realize the fixation of the steel wires, one end of each thin steel wire is fixed on a small groove plate, the other end of each thin steel wire is placed on a large groove plate fixed on a rotatable three-dimensional adjusting mechanism, and the arbitrary angle centering in the range of 0-90 degrees is realized through different combinations of butt joint ports on the small groove plate and the large groove plate; the rotatable three-dimensional mechanism is adjusted, so that the accurate centering of the thin steel wires at the irregular or deformed port can be ensured.

The technical scheme of the invention is as follows: the utility model provides a thin steel wire pulse laser butt welding anchor clamps which characterized in that: the device comprises a fixed base, a three-dimensional adjusting device, a rotary adjusting device, a large groove plate, a small groove plate and a pressing clamp, wherein the fixed base comprises a plane bottom plate and a supporting table, and the supporting table is fixed on one side of the plane bottom plate and used for mounting the small groove plate; the three-dimensional adjusting device is fixed on the other side of the plane bottom plate, the large trough plate is horizontally arranged right above the three-dimensional adjusting device through the rotating adjusting device, and the three-dimensional adjusting device and the rotating adjusting device are respectively used for adjusting the XYZ direction and the horizontal rotating angle of the large trough plate;

the small groove plate is of a cuboid block structure and is horizontally fixed in the clamping groove above the supporting table through a screw, the upper surface and the lower surface of the small groove plate are both square, and two V-shaped grooves are formed along the central line of the square and are used for placing a section of the steel wire to be welded;

the large groove plate is of a cuboid block structure, the upper surface and the lower surface of the large groove plate are both square, and 3V-shaped grooves are respectively formed in the large groove plate and used for placing the other section of the steel wire to be welded; one V-shaped groove on the upper surface of the large groove plate is formed along one diagonal line of the square, and the other two V-shaped grooves are respectively formed at the edges of two opposite sides of the square; one side port of each of the two V-shaped grooves on the opposite side is positioned at the vertex angle of the other diagonal line, and the other side port of each of the two V-shaped grooves on the opposite side is prevented from interfering or intersecting with the V-shaped groove on the diagonal line; the three V-shaped grooves on the lower surface of the large groove plate are symmetrical to the V-shaped grooves on the upper surface of the large groove plate and have the same structure;

the pressing clamp comprises a clamping head and two clamping plates, one clamping plate is arranged on the upper surface of the supporting table through a rail groove and can slide along the rail groove, and the other clamping plate is positioned above the rail groove; the chuck is of a flat plate structure, is fixed at the head of the clamping plate at the other side, is positioned above the V-shaped groove communicated with the small groove plate and the large groove plate, can be completely attached to the upper surface of the supporting table during compression, and is used for compressing and fixing steel wires in the V-shaped grooves of the small groove plate and the large groove plate; and a welding window is formed in the chuck, and the position of the welding window is adjusted by sliding the clamping plate on one side.

The further technical scheme of the invention is as follows: the cross sections of the ports on two sides of one V-shaped groove on the upper surface of the small groove plate are flush with the side wall where the port is located, and the cross sections of the ports on two sides of the other V-shaped groove form an angle of 45 degrees with the side wall where the port is located; the two V-shaped grooves on the lower surface of the small groove plate are symmetrical to the V-shaped grooves on the upper surface of the small groove plate and have the same structure.

The further technical scheme of the invention is as follows: the cross sections of the ports at the two sides of the V-shaped groove on the diagonal line of the large groove plate are vertical to the diagonal line; the V-shaped grooves on the opposite sides have the port sections at the top corners forming an angle of 45 degrees with the straight line of the groove bottom edges.

The further technical scheme of the invention is as follows: 4 edges and corners of the large groove plate in the circumferential direction are round chamfers, so that gapless contact with the butt joint port of the small groove plate in different angle matching can be guaranteed, and meanwhile, the matching transition of the port is facilitated during rotary adjustment.

The further technical scheme of the invention is as follows: the large groove plate, the small groove plate and the pressing clamp are all made of 2024 aluminum alloy.

The further technical scheme of the invention is as follows: the fixed base is made of Q235 carbon steel.

The further technical scheme of the invention is as follows: the adjusting precision of the three-dimensional adjusting device is 0.01 mm.

The further technical scheme of the invention is as follows: the adjustment accuracy of the rotary adjustment device is 5'.

Advantageous effects

The invention has the beneficial effects that: the device comprises a fixed base, a three-dimensional adjusting device, a rotary adjusting device, a large groove plate, a small groove plate, a pressing clamp, a rail groove, a welding window and a V-shaped groove. The V-shaped groove is matched with the pressing clamp, so that the steel wire can be firmly fixed; one end of the steel wire is fixed, and the other end of the steel wire is placed on a rotatable three-dimensional adjusting mechanism, so that the accurate centering of the thin steel wire at the irregular or deformed port can be ensured through adjustment; through different combinations of the butt joint ports on the small groove plate and the large groove plate, the arbitrary angle centering in the range of 0-90 degrees is realized; the groove plate is made of 2024 aluminum alloy with higher laser reflectivity, so that damage to the V-shaped groove during laser welding is reduced, and the service life of the groove plate can be prolonged; a plurality of same V-arrangement fixed channels are symmetrically processed on the front and back surfaces of the large and small channel plates, and the channel plates can be installed again after a certain fixed channel is used for many times due to high-temperature deformation or blockage by welding materials so as to use a new channel and facilitate repeated use.

In the preferable scheme of the invention, the large slotted plate is used for butt welding steel wires at 0-20 degrees under the condition that the cross sections of the two side ports of the V-shaped slot on the diagonal line are vertical to the diagonal line; the V-shaped grooves on the opposite sides are used for butt welding of the steel wires at an angle of 20-90 degrees under the condition that the port sections at the top angles and the straight line of the bottom edges of the grooves form an angle of 45 degrees. Under the condition that the cross sections of the ports on the two sides of the V-shaped groove in the small groove plate are flush with the side wall where the port is located, when the small groove plate is matched with the V-shaped groove on the diagonal line of the large groove plate for use, the small groove plate can be used for butt-welding steel wires at an angle of 0-20 degrees; when the welding tool is matched with a V-shaped groove on the edge of a large groove plate for use, steel wires with an angle of 20-45 degrees can be butt-welded; under the condition that the cross sections of the two side ports of the other V-shaped groove of the small groove plate form an angle of 45 degrees with the side wall where the port is positioned, steel wires which are in an angle of 45 degrees to 90 degrees can be butt-welded when the small groove plate is matched with the V-shaped groove on the edge of the large groove plate for use; when the steel wire is centered at 0-90 degrees, the accurate adjustment can be realized by rotating the adjusting device 3 and the three-dimensional adjusting device 2.

Drawings

FIG. 1 is a schematic structural view of a pulse laser butt welding fixture for thin steel wires according to the present invention.

FIG. 2 is a right side view of the pulsed laser butt welding fixture for thin steel wires of the present invention.

Fig. 3 is a view a-a of fig. 2.

FIG. 4 is a schematic structural view of a fixing base in the pulse laser butt welding fixture for thin steel wires according to the present invention.

FIG. 5 is a top view of the large and small grooved plates in the case of pulse laser butt welding of the thin steel wire of 20 ° or less.

FIG. 6 is a top view of the large and small slot plates in the case of 20-45 DEG steel wire by pulse laser butt welding of the thin steel wire of the present invention.

FIG. 7 is a top view of the large and small slot plates in the present invention when the thin steel wire is welded by pulse laser in a 45-90 degree angle.

Fig. 8 is a perspective view of the large trough plate of the present invention.

FIG. 9 is a cross-sectional view of the large trough plate of the present invention.

Fig. 10 is a perspective view of a small channel plate of the present invention.

Fig. 11 is a top view of a small trough plate of the present invention.

Description of reference numerals: the welding method comprises the following steps of 1-fixing a base, 2-three-dimensional adjusting device, 3-rotating adjusting device, 4-large groove plate, 5-small groove plate, 6-pressing clamp, 7-track groove, 8-welding window, 9-first V-shaped groove, 10-second V-shaped groove, 11-third V-shaped groove and 12-fourth V-shaped groove.

Detailed Description

The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

As shown with reference to fig. 1-4. The invention provides a thin steel wire pulse laser butt welding fixture which comprises a fixed base 1, a three-dimensional adjusting device 2, a rotary adjusting device 3, a large groove plate 4, a small groove plate 5 and a pressing clamp 6. The fixed base 1 comprises a plane bottom plate and a supporting platform, wherein the supporting platform is fixed on one side of the plane bottom plate and is used for mounting the small groove plate 5; the three-dimensional adjusting device 2 is fixed on the other side of the plane bottom plate, the large trough plate 4 is horizontally arranged right above the three-dimensional adjusting device 2 through the rotary adjusting device 3, and the three-dimensional adjusting device 2 and the rotary adjusting device 3 are respectively used for adjusting the XYZ direction and the horizontal rotation angle of the large trough plate;

referring to fig. 10, the small slot plate 5 is a cuboid block structure, the upper and lower surfaces of which are both square, and two V-shaped slots 11 and 12 are formed along the central line of the square for placing a section of the steel wire to be welded;

referring to fig. 8 and 9, the large trough plate 4 is a cuboid block structure, the upper surface and the lower surface of the large trough plate are both square, and 3V-shaped troughs are respectively formed for placing the other section of the steel wire to be welded; the V-shaped groove 10 on the upper surface of the large groove plate 4 is arranged along one diagonal line of the square, and the other two V-shaped grooves 9 are respectively arranged at the edges of two opposite edges of the square; the ports at one side of the two V-shaped grooves 9 are positioned at the vertex angle of the other diagonal line, and the ports at the other side are prevented from interfering or intersecting with the V-shaped grooves 10; the three V-shaped grooves on the lower surface of the large groove plate 4 are symmetrical to the V-shaped grooves on the upper surface of the large groove plate and have the same structure;

v-shaped steel wire fixing grooves are processed on the large groove plate 4 and the small groove plate 5, and the steel wires can be firmly fixed by matching with the pressing clamp 6; fixing the small slotted plate 5 in a clamping groove above the fixed base 1 through 4 screws, fixing the large slotted plate 4 on the upper part of the rotary adjusting device 3 through 4 screws, fastening the lower part of the rotary adjusting device 3 on the upper part of the three-dimensional adjusting device 2 through 4 screws, and fixing the three-dimensional adjusting device 2 on the fixed base 1 through 4 screws; the front and back surfaces of the large groove plate 4 and the small groove plate 5 which are symmetrical in shape are respectively provided with a plurality of V-shaped fixing grooves, so that the groove plates can be readjusted and installed after the fixing grooves are deformed due to high temperature or blocked by welding materials after being used for multiple times, a new channel is used, and multiple use of a single groove plate is facilitated; 4 edges and corners of the large groove plate 4 in the circumferential direction are designed into round corners, so that gapless contact of the butt joint ports in the matching process of different angles can be guaranteed, and the matching transition of the ports during rotary adjustment is facilitated.

Referring to fig. 5, 6 and 7, under the condition that the cross sections of the two side ports of the V-shaped groove 10 of the large groove plate 4 on the diagonal line are both perpendicular to the diagonal line, the butt welding is performed on the steel wires at an angle of 0-20 degrees; v-shaped grooves 9 on opposite sides are used for butt welding of steel wires at an angle of 20-90 degrees under the condition that the port sections at the top angles and the straight line of the bottom edges of the grooves form an angle of 45 degrees. Under the condition that the cross sections of the ports on the two sides of the V-shaped groove 11 in the small groove plate 5 are flush with the side wall where the port is located, when the small groove plate is matched with the V-shaped groove 10 on the diagonal line of the large groove plate for use, the small groove plate can be used for butt welding steel wires at an angle of 0-20 degrees; when the welding tool is used in combination with the V-shaped groove 9 on the edge of the large groove plate 4, steel wires with an angle of 20-45 degrees can be butt-welded; under the condition that the cross sections of the two side ports of the other V-shaped groove 12 of the small groove plate 5 form an angle of 45 degrees with the side wall where the port is positioned, steel wires which are in an angle of 45 degrees to 90 degrees can be butt-welded when the small groove plate is matched with the V-shaped groove 9 on the edge of the large groove plate 4 for use; when the steel wire is centered at 0-90 degrees, the accurate adjustment can be realized by rotating the adjusting device 3 and the three-dimensional adjusting device 2.

Referring to fig. 11, an included angle of 20 to 30 degrees is formed between one side wall of the two ports of the fourth V-shaped groove 12 of the small groove plate 5 and the cross section of the port, so that no interference is generated when the small groove plate is butted with the port of the first V-shaped groove 9 of the large groove plate 4, and the rotation is smooth.

The pressing clamp 6 is arranged on a track groove 7 at the upper part of the fixed base 1 and can move along the direction of butting the V-shaped groove, so that the positions of a steel wire pressing area and a welding window can be conveniently adjusted; the pressing clamp 6 can be directly inserted into the track groove 7 on the upper part of the fixed bottom plate, is convenient to install, and can be installed after the butt joint is adjusted, so that the centering adjustment of the butt joint is facilitated.

During welding, the proper large slotted plate 4 and the proper small slotted plate 5 are selected to be matched with the ports according to the requirement of a centering angle. Then, one end of the steel wire is placed in a V-shaped groove above the small groove plate 5 and the fixed base 1, the three-dimensional adjusting device 2 and the rotary adjusting device 3 are roughly adjusted, the other end of the steel wire is placed in a V-shaped groove at the upper part of the large groove plate 4, the three-dimensional adjusting device 2 and the rotary adjusting device 3 are finely adjusted according to conditions, and centering of the welding joint is completed. At the moment, a pressing clamp 6 is arranged in a rail groove 7 on the upper portion of the fixed base 1, the pressing clamp 6 is moved along the rail groove 7, the welding position is located in the middle of a welding window 8 on a pressing plate of the pressing clamp 6, steel wires at two ends are tightly pressed in the V-shaped grooves, and butt welding of the steel wires is finally completed by laser.

The fixed base is made of Q235 carbon steel.

2024 aluminum alloy is used for the large groove plate, the small groove plate and the pressing clamp.

The three-dimensional adjusting device can be a commercially available adjusting device with the adjusting precision of 0.01 mm.

The rotary adjustment device is commercially available as an adjustment device with precision 5'.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.