CN210451471U - Wire feeder and welding gun - Google Patents

Abstract

The utility model relates to a send silk machine and welder, welder includes the rifle head, the welder cable, be used for with send the welder joint and the cable joint that the silk machine is connected, the rifle head is connected to welder cable one end, the welder joint is connected to the other end, the welder cable includes the oversheath, the silk guide pipe, welder control wire and cable are all nested in the oversheath, cable one end is connected with rifle head electricity, the other end is connected with cable joint, welder connects including welder connects the body, the one end and the cable joint of welder control wire all set up outside oversheath and welder connect this body, welder connects the body have be used for with send the welder of silk machine to connect fixed through hole matched with. Through the structural design, the cables and the control wires can be respectively and independently connected with the welding machine, the processing technology is simplified, and the processing difficulty of the welding gun joint is reduced.

Description

Wire feeder and welding gun

Technical Field

The utility model relates to the field of welding technique, in particular to what economical send a machine and welder.

Background

In industrial production, welding equipment is commonly used to weld various metal pieces to achieve a connection between the two metal pieces. The welding gun is typically connected to a wire feeder through a gun connector, which feeds welding wire to the welding gun. However, the existing welding gun joint and the corresponding connecting structure of the wire feeder are relatively complex, low in production efficiency and high in cost.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a can simplify processing technology, reduction in production cost and improve production efficiency send silk machine and welder.

The technical proposal adopted by the utility model is that the wire feeder comprises a wire feeder body, a wire feeding wheel, a wire pressing wheel and a motor, wherein the wire feeding wheel, the wire pressing wheel and the motor are all arranged on the wire feeder body, the peripheral walls of the wire feeding wheel and the wire pressing wheel are oppositely arranged, a wire feeding groove is arranged on the peripheral wall of the wire feeding wheel, the motor is connected with the wire feeding wheel and is used for driving the wire feeding wheel to rotate, one end of the wire feeder body is also provided with a welding gun connector fixing through hole for inserting a welding gun connector, one end of the welding gun connector fixing through hole faces the wire feeding groove, the other end faces the outside of the wire feeder body, a containing groove which is matched with the welding gun connector is also arranged on the hole wall of the welding gun connector fixing through hole, the containing groove extends along the axial direction of the welding gun connector fixing through hole and is arranged on the cross section of the welding gun connector fixing through hole, the accommodating groove is recessed relative to the hole wall of the welding gun joint fixing through hole in the direction far away from the central axis of the welding gun joint fixing through hole.

As a further improvement of the above embodiment, the wire feeder body is further provided with a welding wire inlet pipe and a pressure regulator connected to the welding wire inlet pipe, and the welding gun joint fixing through hole and the welding wire inlet pipe are respectively located on two opposite sides of the wire feeding groove.

As a further improvement of the above embodiment, the wire feeder body is further provided with a cable through hole for guiding out a welding gun cable, the cable through hole is communicated with the welding gun joint fixing through hole, and the cable through hole is located between the welding gun joint fixing through hole and the wire feeding groove.

As a further improvement of the above embodiment, the wire feeder body is further provided with a wire guide tube limiting groove, and the wire guide tube limiting groove is disposed between the welding gun connector fixing through hole and the wire feeding groove.

As a further improvement of the above embodiment, a positioning rib or a positioning groove is further provided on the hole wall of the welding gun joint fixing through hole, and the positioning rib or the positioning groove extends along the circumferential direction of the welding gun joint fixing through hole on the hole wall of the welding gun joint fixing through hole.

As a further improvement of the above embodiment, the wire feeder body includes a main housing and a welding gun joint fixing cover, the welding gun joint fixing cover is detachably connected to the main housing, a welding gun joint fixing groove is formed at one end of the main housing, and the welding gun joint fixing cover covers the welding gun joint fixing groove to form the welding gun joint fixing through hole.

The utility model also provides a welding gun, including rifle head, welder cable, be used for with the welder that send the silk machine to be connected connect and cable joint, welder cable one end is connected the rifle head, the other end is connected welder connects, welder cable includes oversheath, seal wire pipe, welder control wire and cable all embed in the oversheath, and extend along the length direction of welder cable, cable one end with the rifle head electricity is connected, the other end with cable joint connects, welder connects including welder connects the body, seal wire pipe's one end with welder connects the body and connects, and relative welder connects the body along the length direction of welder cable is outwards stretched out, seal wire pipe's the other end with the rifle head is connected, welder control wire's one end and cable joint all set up in oversheath and welder connects the body, the welding gun connector body is provided with an insertion part matched with a welding gun connector fixing through hole of the wire feeder, the cable protrudes outwards relative to the peripheral wall of the insertion part, or a cable accommodating part protruding outwards relative to the peripheral wall of the insertion part is arranged on the peripheral wall of the insertion part, and the cable is accommodated in the cable accommodating part.

As the further improvement of above-mentioned embodiment, welder connects the body to be made by the plastic material, welder connects and has seted up wire guide tube fixed orifices and spacing hole on the body, wire guide tube fixed orifices is followed the length direction of welder cable extends, wire guide tube passes wire guide tube fixed orifices, spacing hole with wire guide tube fixed orifices intersects, welder connects still includes the locating part, the locating part passes spacing hole supports to press on wire guide's the lateral wall.

As a further improvement of the above embodiment, a thread groove or a plurality of limiting grooves are formed on the outer side wall of the yarn guide tube along the length direction of the yarn guide tube, the limiting holes are screw holes, and the limiting pieces are bolts.

As a further improvement of the above embodiment, a positioning groove or a positioning rib is further provided on the outer peripheral wall of the insertion portion, and the positioning rib or the positioning groove extends on the outer peripheral wall of the insertion portion along the circumferential direction of the welding gun connector body.

As a further improvement of the above embodiment, the welding gun connector body is provided with a fixing slot, the outer sheath is sleeved outside the fixing slot, and the welding gun further comprises a clamp, the clamp is sleeved outside the outer sheath and is matched with the fixing slot to fix the outer sheath on the welding gun connector body.

As a further improvement of the above embodiment, the welding gun cable further includes an air feed pipe nested in the outer sheath and extending along a length direction of the welding gun cable, and one end of the air feed pipe is disposed outside and through the outer sheath and the welding gun connector body.

As a further improvement of the above embodiment, the welding gun joint body is provided with a wire guide tube hole, an air supply tube hole, and a control line mounting hole, one end of the wire guide tube passes through the wire guide tube hole and is firmly combined in the welding gun joint body, and one ends of the air supply tube and the welding gun control line respectively pass through the air supply tube hole and the control line mounting hole and extend out of the welding gun joint body.

As a further improvement of the above embodiment, one end of the welding gun connector body extends to a direction away from the gun head to form a convex portion, a guide wire tube fixing through hole is formed in the welding gun connector body, the guide wire tube fixing through hole extends along the length direction of the welding gun cable and penetrates through the convex portion, and the guide wire tube penetrates through the guide wire tube fixing through hole and protrudes outwards;

a welding gun control line abdicating groove for accommodating a welding gun control line is formed in the side of the wire guide tube fixing through hole; and/or

The welding gun cable further comprises an air supply pipe, the air supply pipe is nested in the outer sheath and extends along the length direction of the welding gun cable, one end of the air supply pipe is arranged outside the outer sheath and the welding gun connector body and penetrates through the welding gun connector body, and an air supply pipe abdicating groove for accommodating the air supply pipe is further formed in the side of the wire guide pipe fixing through hole.

The utility model discloses a welder through inciting somebody to action the one end of cable joint and control line all set up in oversheath and welder connect this external to realize cable and control line respectively independently with the welding machine is connected, thereby simplifies processing technology, reduces the processing degree of difficulty that welder connects, further improves production efficiency, reduction in production cost, correspondingly, send the structure of silk machine and welder structural connection also simpler, the cost is lower. In addition, by providing a receiving groove in the wire feeder and correspondingly projecting the cable or the cable receiving portion outward with respect to the outer peripheral wall of the insertion portion, the cable in the welding gun can be better fixed, making welding easier to handle.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a partially exploded perspective view of a wire feeder adapter of the wire feeder of the present invention;

FIG. 2 is an assembled view of FIG. 1;

FIG. 3 is a partial view of another outside corner of FIG. 1;

FIG. 4 is a perspective view of the welding gun of the present invention;

FIG. 5 is an enlarged view of a portion a of FIG. 4;

FIG. 6 is a schematic view of FIG. 4 from another perspective;

fig. 7 is a partial schematic view of fig. 5 from another perspective.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 7, an embodiment of the present invention provides a wire feeder 7 for feeding a welding wire, in which the wire feeder 7 includes a wire feeder body 71, a wire feeding wheel 72, a wire pressing wheel 73, and a motor 8, and the wire feeding wheel 72, the wire pressing wheel 73, and the motor 8 are all mounted on the wire feeder body 71.

The peripheral walls of the wire feeding wheel 72 and the wire pressing wheel 73 (i.e., the circumferential surfaces of the wheels) are arranged oppositely to each other as described with reference to fig. 1 and 3, that is, the peripheral walls of the wire feeding wheel 72 and the wire pressing wheel 73 are respectively arranged on opposite sides in the direction of feeding the welding wire, and the peripheral wall of the wire feeding wheel 72 is provided with a wire feeding groove 70, and the wire feeding groove 70 is used for feeding the welding wire. It should be noted that, the wire feeding roller 72 has an annular groove formed in a peripheral wall thereof, and a welding wire is received therein during a welding operation, and the wire feeding groove 70 referred to in the present specification means a portion of the annular groove located between the wire feeding roller 72 and the wire pressing roller 73, that is, only a portion of the annular groove, and when the wire feeding roller 72 rotates, a portion rotated between the wire feeding roller 72 and the wire pressing roller 73 is referred to as the wire feeding groove 70. The motor 8 is connected to the wire feed wheel 72 for driving the wire feed wheel 72 to rotate, and the rotating wire feed wheel 72 feeds the welding wire to the welding gun. Specifically, a reduction gear set may be disposed in the wire feeder body 71, the motor 8 and the wire feeding wheel 72 are connected through the reduction gear set, and the motor 8 and the wire feeding wheel 72 are connected through an output shaft of the reduction mechanism.

The wire feeder body 71 includes a main housing 711 and a torch head fixing cover 717, the torch head fixing cover 717 covers the main housing 711, and in this embodiment, the torch head fixing cover 717 is detachably connected to the main housing 711. The wire feeder body 71 is provided with a torch joint fixing through hole 714, a welding wire introducing pipe 74, a pressure regulator 75 connected to the welding wire introducing pipe 74, a cable through hole 715, and a guide wire pipe limiting groove 7161. The pressure regulator 75 is used to regulate the wire feed pressure.

The welding torch joint fixing through hole 714 is provided at the front end (the end connected to the welding torch joint 3) of the wire feeder body 71, and the welding torch joint fixing through hole 714 and the welding wire inlet pipe 74 are respectively located at opposite sides of the wire feeding groove 70. The rear end (the end close to the wire feeding groove 70) of the welding gun joint fixing through hole 714 faces the wire feeding groove 70, the front end (the end far away from the wire feeding groove 70) faces the outside of the wire feeder body 71, a containing groove 7141 matched with a welding gun joint is further arranged on the hole wall of the welding gun joint fixing through hole 714, the containing groove 7141 extends along the axial direction of the welding gun joint fixing through hole 714, and on the cross section of the welding gun joint fixing through hole 714, the containing groove 7141 is recessed towards the direction far away from the central axis of the welding gun joint fixing through hole 714 relative to the hole wall of the welding gun joint fixing through hole 714. In this embodiment, the housing groove 7141 is recessed downward of the main housing 711 with respect to the hole wall of the torch joint fixing through hole 714, but in other embodiments, the housing groove 7141 may be recessed sideways of the main housing 711 with respect to the hole wall of the torch joint fixing through hole 714. Through setting up and accomodating groove 7141, can accomodate the cable 25 on the welder connects 3, and can play spacing effect to press from both sides tightly cable 25, prevent that cable 25 is not hard up around in the welder.

In the preferred embodiment, the wall of the gun joint securing hole 714 is further provided with a positioning rib 7142 for cooperating with a corresponding positioning groove of the gun joint 3 to prevent the gun joint 3 from loosening. In another embodiment, a positioning groove (not shown) may be formed on the hole wall of the gun head fixing through hole 714, and a positioning rib is correspondingly formed on the gun head 3. The positioning ribs 7142 or the positioning notches extend along the circumferential direction of the gun joint fixing through hole 714 on the wall of the gun joint fixing through hole 714.

The cable through hole 715 is used for guiding out the cable 25, the torch control wire 24, the gas feed pipe 23, and the like in the torch cable 2, the cable through hole 715 is communicated with the torch joint fixing through hole 714, and the cable through hole 715 is located between the torch joint fixing through hole 714 and the wire feed groove 70, so as to guide the feeding direction of the welding wire. In the present embodiment, a partition 710 is disposed between the cable through hole 715 and the wire feeding groove 70, the partition 710 is formed to protrude upward from the bottom wall of the main housing 711, and a wire guiding tube limiting portion 716 extends from a side wall of the partition 710 close to the wire feeding groove 70 in the direction of feeding the welding wire to the direction close to the wire feeding groove 70. The top of the guide wire tube limiting part 716 is provided with a guide wire tube limiting groove 7161, the guide wire tube limiting groove 7161 is arranged between the welding gun joint fixing through hole 714 and the wire feeding groove 70, and the shape of the guide wire tube limiting groove 7161 is matched with that of the guide wire tube 22. After the nipple 3 is inserted into the nipple fixing through hole 714, the guide wire tube 22 is inserted into the guide wire tube retaining groove 7161.

A welding torch joint fixing groove 7143 is formed at the front end (the end connected to the welding torch joint 3) of the main housing 711, an arc-shaped groove is correspondingly formed in the welding torch joint fixing cover 717, the welding torch joint fixing cover 717 is connected to the main housing 711, and covers the welding torch joint fixing groove 7143, so that the arc-shaped groove and the welding torch joint fixing groove 7143 are combined to form a welding torch joint fixing through hole 714 (refer to fig. 2). The main housing 711 is provided with a screw hole, and the torch joint fixing cover 717 is detachably connected to the main housing 711 by a bolt. When the torch joint 3 is connected to the wire feeder 7, the torch joint fixing cover 717 is separated from the main housing 711, the torch joint 3 is inserted into the torch joint fixing groove 7143, the cable 25, the torch control wire 24, the gas feed pipe 23, and the like are extended from the cable through hole 715, and finally the torch joint fixing cover 717 is covered and fixed by bolts, thereby fixing the torch joint 3 to the wire feeder 7.

Referring to fig. 1 and 4, the present invention further provides a welding gun, which can be a gas shielded welding gun, for connecting with a welding machine (not shown) and a wire feeder 7, wherein the welding gun includes a gun head 1, a welding gun cable 2 for connecting with the wire feeder 7, a welding gun connector 3, a cable connector 4, and a clamp 39. In this embodiment, the welding gun may further include a gas supply joint 5 and a control joint 6.

One end of the welding gun cable 2 is connected with the gun head 1, the other end of the welding gun cable 2 is connected with the welding gun connector 3, and the welding gun cable 2 comprises an outer sheath 21, a wire guide pipe 22, a welding gun control wire 24 and a cable 25.

The welding gun connector 3 comprises a welding gun connector body 31, the welding gun connector body 31 can be made of plastic materials, the plastic materials can be molded through injection molding, the production cost of raw materials can be reduced, and the processing technology is simplified. The welding gun joint body 31 is provided with an insertion part 310 which is matched with a welding gun joint fixing through hole 714 of the wire feeder, and the peripheral wall of the bottom of the insertion part 310 is provided with a cable relief groove 35 and axially extends from the end surface of one end of the insertion part 310 far away from the gun head 1 to the direction close to the gun head 1. In another embodiment, the outer peripheral wall of the insertion portion 310 may be provided with a cable receiving portion 3101 protruding outward from the outer peripheral wall of the bottom portion of the insertion portion 310, and the cable receiving portion 3101 may be provided with a cable receiving hole or a cable receiving groove (not shown) in which the cable 25 is received. In a preferred embodiment, the outer peripheral wall of the insertion portion 310 is further provided with a positioning slot 36, which is correspondingly engaged with the positioning rib 7142 of the wire feeder 7. In another embodiment, the outer peripheral wall of the insertion portion 310 may be provided with a positioning rib (not shown), and the wire feeder 7 may be provided with a positioning groove correspondingly. The positioning rib or the positioning groove 36 extends along the circumferential direction of the torch joint body 31 on the outer circumferential wall of the insertion portion 310, and the positioning rib 7142 or the positioning groove 36 is provided to facilitate accurate positioning of the insertion portion 310.

Specifically, the bottom of the one end of the welding gun connector body 31 extends to the direction far away from the gun head 1 relative to the welding gun connector body 31 to form a convex portion 311, a wire guiding pipe fixing through hole 32 is formed in the welding gun connector body 31, the wire guiding pipe fixing through hole 32 extends along the length direction of the welding gun cable 2 and penetrates through the convex portion 311, and the wire guiding pipe 22 penetrates through the wire guiding pipe fixing through hole 32 and extends out of the convex portion 311 to be connected with the wire feeder 7. The air feed pipe 23 and the torch control wire 24 are provided outside the convex portion 311 to separate the guide wire pipe 22, the air feed pipe 23, and the torch control wire 24 from each other. A welding gun control line receding groove 3112 for accommodating the welding gun control line 24 is further formed in the side of the guide wire tube fixing through hole 32. Of course, in another embodiment, an air supply pipe relief groove 3111 for accommodating the air supply pipe 23 is further opened at a side of the guide wire pipe fixing through hole 32. The gas supply pipe relief groove 3111 and the welding gun control line relief groove 3112 are provided corresponding to the gas supply pipe hole 33 and the control line mounting hole 34, respectively, one end of the gas supply pipe 23 and the welding gun control line 24 is bent in a direction away from the gas supply pipe relief groove 3111 and the welding gun control line relief groove 3112, and by providing the gas supply pipe relief groove 3111 and the welding gun control line relief groove 3112, a relief space can be provided to accommodate the wire guide pipe 22, the gas supply pipe 23, and the welding gun control line 24. In the present embodiment, the protrusion 311 is integrally injection-molded with the torch joint body 31 to simplify the manufacturing process.

More specifically, the outer wall of the welding gun connector body 31 is further provided with a cable receding groove 35 and a plurality of annular positioning clamping grooves 36, the cable 25 is partially accommodated in the cable receding groove 35 (refer to fig. 6), and by arranging the cable receding groove 35, an receding space can be provided to accommodate the cable 25, so that the purpose of saving space is achieved. The positioning clamping grooves 36 are circumferentially arranged along the welding torch joint body 31, the plurality of positioning clamping grooves 36 are used for being matched with the positioning convex ribs 7142 arranged on the wire feeder body 71, and the structure and the installation process of the welding torch joint 3 can be simplified by arranging the positioning clamping grooves 36, so that the welding torch joint 3 is convenient to install and position. Of course, in other embodiments, a plurality of positioning ribs (not shown) may be provided on the outer wall of the torch joint body 31, and the positioning ribs may be engaged with the annular positioning grooves of the wire feeder body 71.

Referring to fig. 4 and 5, a guide wire tube fixing through hole 32 and a limiting hole 37 are formed in the welding gun connector body 31, the guide wire tube fixing through hole 32 extends along the length direction of the welding gun cable 2, and the limiting hole 37 intersects and communicates with the guide wire tube fixing through hole 32. The welding gun connector 3 further comprises a limiting member 38, and the limiting member 38 penetrates through the limiting hole 37 and is pressed against the outer surface of the wire guide tube 22 of the welding gun cable 2. In other embodiments, the limiting member 38 passes through the limiting hole 37 and presses against a thread groove (not numbered) of the guide wire tube 22 of the welding gun cable 2. By providing the stopper 38, the position of the guide wire tube 22 can be restricted to prevent the guide wire tube 22 from being displaced in the longitudinal direction of the torch cable 2, and the distance from the end of the guide wire tube 22 to the wire feed groove can be accurately controlled. For example, in the case where the guide wire tube 22 moves into the guide wire tube fixing through hole 32 during the welding process, since the movement of the guide wire tube 22 into the guide wire tube fixing through hole 32 is likely to cause the welding wire to deviate from the normal feeding position, i.e., the guide of the guide wire tube 22 is not good, the position of the guide wire tube 22 is limited by the position limiting member 38, so as to prevent the displacement thereof.

In the present embodiment, the torch joint body 31 further includes a guide wire tube fixing through hole 32, an air supply pipe hole 33, a control wire mounting hole 34, and a fixing notch 3104 (see fig. 7). The guide wire tube fixing through hole 32, the air supply pipe hole 33 and the control wire mounting hole 34 all penetrate through the welding gun connector body 31.

The outer sheath 21 is sleeved outside the fixed clamping groove 3104 and extends to one end of the welding gun connector 3 close to the gun head 1, and in other embodiments, the outer sheath 21 may be provided with a through hole (not shown). The wire guide tube 22, the welding gun control wire 24 and the cable 25 are all nested in the outer sheath 21 and extend along the length direction of the welding gun cable 2. One end of the wire guide pipe 22 is connected with the welding gun connector body 31, the welding gun connector body 31 extends outwards along the length direction of the welding gun cable 2, and the other end of the wire guide pipe 22 is connected with the gun head 1. In the present embodiment, one end of the guide wire tube 22 passes through the guide wire tube fixing through hole 32 and extends out of the torch joint body 31, and specifically, one end of the guide wire tube 22 passes through the guide wire tube fixing through hole 32 and is firmly coupled within the torch joint body 31. In the present embodiment, the guide tube 22 is a threaded tube, a threaded groove is formed on an outer side wall thereof along a longitudinal direction of the guide tube 22, the limiting hole 37 is a threaded hole, and the limiting member 38 is a bolt. Alternatively, in another embodiment, a plurality of stopper grooves (not shown) are formed on the outer side wall of the guide wire tube 22 along the longitudinal direction of the guide wire tube 22.

The cable 25 extends out of the through hole and is connected with the cable connector 4, specifically, one end of the cable 25 is electrically connected with the gun head 1, the other end of the cable is connected with the cable connector 4, and the end of the cable 25 connected with the cable connector 4 is arranged outside the insertion portion 310. In the present embodiment, the cable 25 protrudes outward with respect to the outer circumferential wall of the insertion portion 310, and is received in the cable relief groove 35. Of course, in other embodiments, the cable 25 may be accommodated in the cable accommodating hole, that is, when the cable accommodating portion 3101 is provided with a cable accommodating hole, one end of the cable 25 may extend out of the torch head body 31 through the cable accommodating hole.

The welding gun cable 2 further comprises an air feed pipe 23, the air feed pipe 23 is nested in the outer sheath 21 and extends along the length direction of the welding gun cable 2, and one end of the air feed pipe 23 is arranged outside the outer sheath 21 and the welding gun connector body 31 and penetrates through the welding gun connector body 31. Specifically, one end of the gas pipe 23 and one end of the welding gun control wire 24 respectively extend out of the welding gun joint body 31 through the gas pipe hole 33 and the control wire mounting hole 34, and are respectively connected with the gas pipe joint 5 and the control wire joint 6, so that the gas pipe 23 and the welding gun control wire 24 are respectively connected with the welding machine (not shown) in an independent manner.

One end of the torch control wire 24 extends outside the outer sheath 21 and the torch head body 31. The ends of the gas pipe 23 and the torch control wire 24 extending out of the torch joint body 31 are connected to the gas pipe joint 5 and the control wire joint 6, respectively, and in this embodiment, the ends of the gas pipe 23 and the torch control wire 24 extend out of the torch joint body 31 through the gas pipe hole 33 and the control wire mounting hole 34, respectively, and are used for being connected to the gas pipe joint 5 and the control wire joint 6 of the welding machine, respectively. And the cable joint 4, the gas supply pipe joint 5 and the control wire joint 6 are all arranged outside the outer sheath 21 and the welding gun joint body 31. The cable joint 4, one end of the air feed pipe 23 and one end of the welding gun control wire 24 are all arranged outside the outer sheath 21 and the welding gun joint body 31, so that the cable 25, the air feed pipe 23 and the welding gun control wire 24 are respectively and independently connected with a welding machine, namely the welding gun joint 3 does not need to be processed by copper materials, the processing technology is simplified, and the processing difficulty of the welding gun joint 3 is reduced.

The welding gun further comprises a clamp 39, wherein the clamp 39 is sleeved outside the outer sheath 21 and matched with the fixed clamping groove 3104 to fix the outer sheath 21 on the welding gun connector body 31. By arranging the clamp 39, the outer sheath 21 can be firmly fixed on the welding gun connector body 31 to prevent the outer sheath from loosening, and the clamp groove 3104 is fixed, so that the outer sheath 21 is accurately positioned.

The utility model discloses a welder through inciting somebody to action cable joint's one end and the one end of control line all set up in oversheath and welder connect this external to realize cable and control line respectively independent with the welding machine is connected, thereby simplifies processing technology, reduces welder joint's the processing degree of difficulty, further improves production efficiency, reduction in production cost. Correspondingly, the structure that the wire feeder is connected with the welding gun structure is simpler, and the cost is lower. In addition, by providing a receiving groove in the wire feeder and correspondingly projecting the cable or the cable receiving portion outward with respect to the outer peripheral wall of the insertion portion, the cable in the welding gun can be better fixed, making welding easier to handle.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (14)

1. A wire feeder comprises a wire feeder body, a wire feeding wheel, a wire pressing wheel and a motor, wherein the wire feeding wheel, the wire pressing wheel and the motor are all installed on the wire feeder body, the peripheral walls of the wire feeding wheel and the wire pressing wheel are oppositely arranged, a wire feeding groove is formed in the peripheral wall of the wire feeding wheel, the motor is connected with the wire feeding wheel and used for driving the wire feeding wheel to rotate, a welding gun connector fixing through hole is further formed in one end of the wire feeder body and used for inserting a welding gun connector, one end of the welding gun connector fixing through hole faces towards the wire feeding groove, the other end of the welding gun connector fixing through hole faces towards the outside of the wire feeder body, the wire feeder is characterized in that a containing groove matched with the welding gun connector is further formed in the hole wall of the welding gun connector fixing through hole, the containing groove extends along the axial direction of the welding gun connector fixing through hole and is formed in the cross section of the welding gun connector, the accommodating groove is recessed relative to the hole wall of the welding gun joint fixing through hole in the direction far away from the central axis of the welding gun joint fixing through hole.

2. The wire feeder of claim 1, wherein a welding wire inlet pipe and a pressure regulator connected to the welding wire inlet pipe are further disposed on the wire feeder body, and the welding torch joint fixing through hole and the welding wire inlet pipe are respectively located on two opposite sides of the wire feeding groove.

3. The wire feeder according to claim 1, wherein a cable through hole for guiding out a welding torch cable is further formed in the wire feeder body, the cable through hole communicates with the welding torch joint fixing through hole, and the cable through hole is located between the welding torch joint fixing through hole and the wire feeding groove.

4. The wire feeder of claim 1, wherein a wire guide tube retaining groove is further disposed on the wire feeder body, and the wire guide tube retaining groove is disposed between the gun nipple fixing through hole and the wire feeding groove.

5. The wire feeder according to claim 1, wherein a positioning rib or a positioning groove is further provided on the wall of the gun head fixing through hole, and the positioning rib or the positioning groove extends along the circumferential direction of the gun head fixing through hole on the wall of the gun head fixing through hole.

6. The wire feeder of claim 1, wherein the wire feeder body comprises a main housing and a welding torch joint fixing cover, the welding torch joint fixing cover is detachably connected to the main housing, a welding torch joint fixing groove is formed at one end of the main housing, and the welding torch joint fixing cover covers the welding torch joint fixing groove to form the welding torch joint fixing through hole.

7. A welding gun comprises a gun head, a welding gun cable, a welding gun connector and a cable connector, wherein the welding gun connector and the cable connector are used for being connected with a wire feeder, one end of the welding gun cable is connected with the gun head, the other end of the welding gun cable is connected with the welding gun connector, the welding gun cable comprises an outer sheath, a wire guide pipe, a welding gun control wire and a cable, the wire guide pipe, the welding gun control wire and the cable are all nested in the outer sheath, and extend along the length direction of the welding gun cable, one end of the cable is electrically connected with the gun head, the other end of the cable is connected with the cable connector, the welding gun connector comprises a welding gun connector body, one end of the wire guide pipe is connected with the welding gun connector body, the welding gun connector body extends outwards along the length direction of the welding gun cable, the other end of the wire guide pipe is connected, the welding gun connector body is characterized in that the welding gun connector body is provided with an insertion part matched with a welding gun connector fixing through hole of a wire feeder, the cable protrudes outwards relative to the peripheral wall of the insertion part, or a cable accommodating part protruding outwards relative to the peripheral wall of the insertion part is arranged on the peripheral wall of the insertion part, and the cable is accommodated in the cable accommodating part.

8. The welding gun according to claim 7, wherein the welding gun joint body is made of a plastic material, a guide wire tube fixing through hole and a limiting hole are formed in the welding gun joint body, the guide wire tube fixing through hole extends along the length direction of the welding gun cable, the guide wire tube penetrates through the guide wire tube fixing through hole, the limiting hole intersects with the guide wire tube fixing through hole, and the welding gun joint further comprises a limiting member, which penetrates through the limiting hole and presses against the outer side wall of the guide wire tube.

9. The welding gun according to claim 8, wherein a thread groove or a plurality of limiting grooves are formed on the outer side wall of the wire guide tube along the length direction of the wire guide tube, the limiting hole is a screw hole, and the limiting member is a bolt.

10. The welding gun according to claim 7, wherein a positioning groove or a positioning rib is further provided on the outer peripheral wall of the insertion portion, and the positioning rib or the positioning groove extends on the outer peripheral wall of the insertion portion in the circumferential direction of the welding gun joint body.

11. The welding gun according to claim 7, wherein the welding gun connector body is provided with a fixing groove, the outer sheath is sleeved outside the fixing groove, and the welding gun further comprises a clamp, the clamp is sleeved outside the outer sheath and is matched with the fixing groove to fix the outer sheath on the welding gun connector body.

12. The welding gun according to claim 7, wherein the welding gun cable further includes a gas feed tube nested within the outer sheath and extending along a length of the welding gun cable, an end of the gas feed tube being disposed outside and through the outer sheath and the welding gun joint body.

13. The welding gun according to claim 12, wherein a wire guide hole, a gas supply hole, and a control wire mounting hole are formed in the welding gun joint body, one end of the wire guide passes through the wire guide hole and is fixedly coupled to the welding gun joint body, and one ends of the gas supply pipe and the welding gun control wire respectively pass through the gas supply hole and the control wire mounting hole and extend out of the welding gun joint body.

14. The welding gun according to claim 7, wherein a protrusion extends from one end of the welding gun connector body in a direction away from the gun head, a guide wire tube fixing through hole is formed in the welding gun connector body, the guide wire tube fixing through hole extends along the length direction of the welding gun cable and penetrates through the protrusion, and the guide wire tube penetrates through the guide wire tube fixing through hole and protrudes outwards;

a welding gun control line abdicating groove for accommodating a welding gun control line is formed in the side of the wire guide tube fixing through hole; and/or

The welding gun cable further comprises an air supply pipe, the air supply pipe is nested in the outer sheath and extends along the length direction of the welding gun cable, one end of the air supply pipe is arranged outside the outer sheath and the welding gun connector body and penetrates through the welding gun connector body, and an air supply pipe abdicating groove for accommodating the air supply pipe is further formed in the side of the wire guide pipe fixing through hole.

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