CN215238726U

CN215238726U - Welding wire feeding device of automatic welding machine

Info

Publication number: CN215238726U
Application number: CN202120151060.9U
Authority: CN
Inventors: 彼得.罗伊德
Original assignee: Suzhou Migatronic Welding Technology Co ltd
Current assignee: Suzhou Migatronic Welding Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-21
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses an automatic change welding wire send device of welding machine, concretely relates to welding equipment field, the power distribution box comprises a box body, the internal chamber bottom of box is equipped with the fly leaf, both sides top is equipped with first backup pad and second backup pad respectively around the fly leaf, first backup pad sets up in second backup pad front side, the fly leaf top is seted up flutedly, the recess sets up between first backup pad and second backup pad, the inside first threaded rod that is equipped with of recess. The utility model discloses a joint of constant head tank and locating piece is convenient for dismantle and install the pinch roller and send the silk wheel to through the setting of first threaded rod, make it can drive two screw thread seats inwards or outwards remove first backup pad and second backup pad simultaneously, at the in-process that removes, can dismantle and install simple operation, convenient to use to the pinch roller and send the silk wheel simultaneously.

Description

Welding wire feeding device of automatic welding machine

Technical Field

The utility model relates to a welding equipment field, concretely relates to change welding wire thread feeding unit of welding machine.

Background

The welding wire feeding device is characterized in that a welding wire is melted through high temperature generated by a welding head, welding to a joint is further carried out, welding wire feeding of an automatic welding machine is one of the most important work in the welding process, and the welding wire is fed by the aid of a drive roller and a driven roller to clamp and roll a welding wire bag.

The utility model discloses a patent is CN 207914841U's utility model discloses an automatic change welding wire send device of welding machine, including casing, forcing wheel, wire feeding wheel, connecting rod, wire reel, casing one side is provided with the wire reel, wire reel both sides are provided with the support, the casing is close to wire reel one side is provided with into the silk pipe, it keeps away from to advance the silk pipe wire reel one side is provided with the forcing wheel, the inside pressure sensor that is provided with of forcing wheel.

The prior art has the following defects: when the wire feeding device is used for a long time, the surfaces of the pressurizing wheel and the wire feeding wheel are abraded, the wire feeding efficiency is influenced, and the pressurizing wheel and the wire feeding wheel need to be overhauled and maintained regularly.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an automatic change welding wire thread feeding unit of welding machine, through the joint of constant head tank and locating piece, be convenient for dismantle and install the pinch roller with send the silk wheel to through the setting of first threaded rod, make it can drive two screw thread seats and inwards or outwards remove first backup pad and second backup pad simultaneously, at the in-process that removes, can dismantle and install simple operation, convenient to use to the pinch roller with sending the silk wheel simultaneously.

In order to achieve the above object, the present invention provides the following technical solutions: a movable plate is arranged at the bottom of an inner cavity of the box body, a first supporting plate and a second supporting plate are respectively arranged at the top of the front side and the back side of the movable plate, the first supporting plate is arranged at the front side of the second supporting plate, a groove is formed in the top of the movable plate, the groove is arranged between the first supporting plate and the second supporting plate, a first threaded rod is arranged in the groove, two ends of the first threaded rod are respectively connected with the inner walls of the front side and the back side of the groove through bearings, the outer walls of two ends of the first threaded rod are respectively in threaded connection with a threaded seat, a connecting rod is fixedly arranged at the top of the threaded seat, the two connecting rods are respectively fixedly connected with one side, close to the first supporting plate and the second supporting plate, two sliding rods are fixedly arranged at the top of the second supporting plate, and are symmetrically arranged about the central axis of the second supporting plate, the top parts of the two sliding rods are provided with the same second fixing plate, the top ends of the two sliding rods respectively penetrate through the bottoms of the two ends of the second fixing plate and extend to the top part of the second fixing plate, the sliding rods are movably connected with the second fixing plate, the top part of the first supporting plate is provided with a placing groove, an adjusting device is fixedly arranged in the placing groove, the top part of the first supporting plate is provided with the first fixing plate, the adjusting device is arranged at the bottom part of the first fixing plate, two wire feeding wheels are arranged between the first supporting plate and the second supporting plate, two pressurizing wheels are arranged between the first fixing plate and the second fixing plate, the two pressurizing wheels and the two wire feeding wheels are symmetrically arranged around the central axis of the movable plate, both sides of the wire feeding wheels and the pressurizing wheels are fixedly provided with limiting columns, one sides, far away from the two limiting columns, are respectively provided with a positioning groove, a positioning block is arranged in the positioning groove, and one side, far away from the limiting columns, is fixedly provided with a rotating plate, the rotating plates on two sides of the wire feeding wheel are respectively connected with one side, close to the first supporting plate and the second supporting plate, of the rotating plates on two sides of the pressure wheel, the rotating plates on two sides of the pressure wheel are respectively connected with one side, close to the first fixing plate and the second fixing plate, of the rotating plates on two sides of the pressure wheel through rotating shafts, the second supporting plate is fixedly provided with a driving device on one side, far away from the first supporting plate, the driving device is arranged inside the box body, the two sides of the box body are respectively and fixedly communicated with a feeding pipe and a discharging pipe, the feeding pipe and the discharging pipe are symmetrically arranged around the central axis of the box body, the front side of the box body is provided with an opening, one end, close to the opening, of the movable plate extends into the opening, the first supporting plate is arranged inside the opening, a ring sleeve is sleeved outside the pressure wheel, a pressure sensor is arranged inside the ring sleeve, the top of the box body is fixedly provided with a controller, and one side of the controller is provided with an alarm, the alarm is fixedly arranged at the top of the box body, and the pressure sensor and the alarm are electrically connected with the controller.

Furthermore, the adjusting device comprises a slave bevel gear, the slave bevel gear is connected with the bottom of an inner cavity of the placing groove through a rotating shaft, a main bevel gear is meshed with one side of the top of the slave bevel gear and is connected with the inner wall of one side of the placing groove through the rotating shaft, a screw rod is fixedly arranged on the top of the slave bevel gear, the outer wall of the top end of the screw rod is in threaded connection with a threaded sleeve, the section of the threaded sleeve is U-shaped, the top end of the threaded sleeve penetrates through the placing groove and extends to the top of the first supporting plate, the section of the threaded sleeve and the section of the placing groove are both rectangular, and the top of the threaded sleeve is fixedly connected with the bottom of the first fixing plate.

Further, drive arrangement includes two drive rollers, and two drive rollers set up inside the box, are equipped with the conveyer belt between two drive rollers, connect through the conveyer belt between two drive rollers, and two drive rollers all run through the second backup pad and send a silk wheel fixed connection with two respectively, second backup pad one side is equipped with the motor, the motor is rather than one of them drive roller fixed connection, motor and controller electric connection.

Further, the spout has been seted up to box inner chamber bottom, the inside second threaded rod that is equipped with of spout, second threaded rod both ends all through the bearing respectively in spout both sides wall connection, the equal threaded connection in second threaded rod both ends outer wall has L shape pole, be equipped with the baffle between first backup pad and the second backup pad, two baffles are fixed respectively and set up in fly leaf top left and right sides, and the spacing groove has all been seted up to one side that two baffles kept away from mutually, the one end that L shape pole is close to the spacing groove extends to the spacing inslot portion.

Furthermore, the cross sections of the positioning groove and the positioning block are both rectangular.

Furthermore, one side of the first supporting plate, which is close to the main bevel gear, is provided with a first handle, and the first handle penetrates through the first supporting plate and is fixedly connected with the main bevel gear.

Furthermore, a second handle is arranged on one side of the box body and penetrates through the box body to be fixedly connected with a second threaded rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model drives the two screw thread seats on the first screw rod to move inwards and outwards through the rotation of the first screw rod, and drives the first supporting plate and the second supporting plate to move in the moving process, the first supporting plate and the second supporting plate drive the first fixing plate and the second fixing plate to move while moving, when moving inwards, the positioning blocks on the first supporting plate, the second supporting plate, the first fixing plate and the second fixing plate are clamped with the positioning grooves on the pressurizing wheel and the wire feeding wheel, the pressurizing wheel and the wire feeding wheel are fixed, when moving outwards, the positioning blocks on the first supporting plate, the second supporting plate, the first fixing plate and the second fixing plate are separated from the positioning grooves on the pressurizing wheel and the wire feeding wheel, at the moment, the pressurizing wheel and the wire feeding wheel can be disassembled, the pressurizing wheel and the wire feeding wheel are maintained, and the integral structure is convenient for mounting and dismounting the wire feeding wheel and the pressurizing wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a cross-sectional view of the overall structure provided by the present invention;

FIG. 2 is a front view of the positioning block and the turntable;

FIG. 3 is a sectional view of the overall structure of the present invention;

fig. 4 is a sectional view of the movable plate, the first support plate and the second support plate provided by the present invention;

fig. 5 is a sectional view of the wire feeding wheel, the positioning block and the limiting post provided by the present invention.

In the figure: the device comprises a box body 1, a movable plate 2, a first supporting plate 3, a second supporting plate 4, a groove 5, a first threaded rod 6, a threaded seat 7, a connecting rod 8, a sliding rod 9, a second fixing plate 10, a placing groove 11, a first fixing plate 12, a wire feeding wheel 13, a pressurizing wheel 14, a limiting column 15, a positioning groove 16, a positioning block 17, a rotating plate 18, a feeding pipe 19, a discharging pipe 20, an opening 21, a ring sleeve 22, a pressure sensor 23, a controller 24, a warning device 25, a secondary bevel gear 26, a main bevel gear 27, a screw rod 28, a threaded sleeve 29, a driving roller 30, a conveying belt 31, a motor 32, a limiting groove 33, a sliding groove 34, a second threaded rod 35, a 36L-shaped rod and a baffle 37.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-5 of the specification, the welding wire feeding device of the automatic welding machine of the embodiment comprises a box body 1, a movable plate 2 is arranged at the bottom of an inner cavity of the box body 1, a first supporting plate 3 and a second supporting plate 4 are respectively arranged at the tops of the front side and the back side of the movable plate 2, the first supporting plate 3 is arranged at the front side of the second supporting plate 4, a groove 5 is formed in the top of the movable plate 2, the groove 5 is arranged between the first supporting plate 3 and the second supporting plate 4, a first threaded rod 6 is arranged in the groove 5, two ends of the first threaded rod 6 are respectively connected with the inner walls of the front side and the back side of the groove 5 through bearings, the outer walls of two ends of the first threaded rod 6 are respectively in threaded connection with a threaded seat 7, a connecting rod 8 is fixedly arranged at the top of the threaded seat 7, and the two connecting rods 8 are respectively fixedly connected with one side, which is close to the first supporting plate 3 and the second supporting plate 4, the top of the second support plate 4 is fixedly provided with two slide bars 9, the two slide bars 9 are symmetrically arranged about the central axis of the second support plate 4, the tops of the two slide bars 9 are provided with a same second fixing plate 10, the top ends of the two slide bars 9 respectively penetrate through the bottoms of the two ends of the second fixing plate 10 and extend to the top of the second fixing plate 10, the slide bars 9 are movably connected with the second fixing plate 10, the top of the first support plate 3 is provided with a placing groove 11, an adjusting device is fixedly arranged in the placing groove 11, the top of the first support plate 3 is provided with a first fixing plate 12, the adjusting device is arranged at the bottom of the first fixing plate 12, two wire feeding wheels 13 are arranged between the first support plate 3 and the second support plate 4, two pressurizing wheels 14 are arranged between the first fixing plate 12 and the second fixing plate 10, and the two pressurizing wheels 14 and the two wire feeding wheels 13 are symmetrically arranged about the central axis of the movable plate 2, the wire feeding wheel 13 and the pressure wheel 14 are fixedly provided with limiting columns 15 at both sides, positioning grooves 16 are arranged at one sides far away from the two limiting columns 15, positioning blocks 17 are arranged inside the positioning grooves 16, rotating plates 18 are fixedly arranged at one sides far away from the limiting columns 15 of the positioning blocks 17, the rotating plates 18 at both sides of the wire feeding wheel 13 are respectively connected with one sides close to the first supporting plate 3 and the second supporting plate 4 through rotating shafts, the rotating plates 18 at both sides of the pressure wheel 14 are respectively connected with one sides close to the first fixing plate 12 and the second fixing plate 10 through rotating shafts, a driving device is fixedly arranged at one side far away from the first supporting plate 3 of the second supporting plate 4, the driving device is arranged inside the box body 1, the two sides of the box body 1 are respectively fixedly communicated with a feeding pipe 19 and a discharging pipe 20, and the feeding pipe 19 and the discharging pipe 20 are symmetrically arranged about the central axis of the box body 1, opening 21 is opened to box 1 front side, the one end that fly leaf 2 is close to opening 21 extends to inside opening 21, first backup pad 3 sets up inside opening 21, the outside cover of forcing wheel 14 is equipped with ring cover 22, the inside pressure sensor 23 that is provided with of ring cover 22, the fixed controller 24 that is equipped with in 1 top of box, controller 24 one side is equipped with siren 25, siren 25 is fixed to be set up in 1 top of box, pressure sensor 23 and

siren

25 and 24 electric connection of controller.

Further, the adjusting device comprises a slave bevel gear 26, the slave bevel gear 26 is connected with the bottom of the inner cavity of the placing groove 11 through a rotating shaft, a main bevel gear 27 is meshed with one side of the top of the slave bevel gear 26, the main bevel gear 27 is connected with the inner wall of one side of the placing groove 11 through the rotating shaft, a screw rod 28 is fixedly arranged on the top of the slave bevel gear 26, a threaded sleeve 29 is in threaded connection with the outer wall of the top end of the screw rod 28, the section of the threaded sleeve 29 is U-shaped, the top end of the threaded sleeve 29 penetrates through the placing groove 11 and extends to the top of the first supporting plate 3, the section of the threaded sleeve 29 and the section of the placing groove 11 are both rectangular, the top of the threaded sleeve 29 is fixedly connected with the bottom of the first fixing plate 12, and the height of the pressure wheel 14 can be adjusted conveniently according to the size of the welding wire.

Further, drive arrangement includes two drive rollers 30, and two drive rollers 30 set up inside box 1, are equipped with conveyer belt 31 between two drive rollers 30, connect through conveyer belt 31 between two drive rollers 30, and two drive rollers 30 all run through second backup pad 4 and respectively with two wire feeding wheel 13 fixed connection, 4 one side of second backup pad is equipped with motor 32, motor 32 and one of them drive roller 30 fixed connection, motor 32 and controller 24 electric connection drive by motor 32, easy operation, labour saving and time saving.

Further, spout 34 has been seted up to 1 inner chamber bottom of box, the inside second threaded rod 35 that is equipped with of spout 34, second threaded rod 35 both ends all through the bearing respectively in the inboard wall connection in spout 34 both sides, the equal threaded connection in second threaded rod 35 both ends outer wall has L shape pole 36, be equipped with baffle 37 between first backup pad 3 and the second backup pad 4, two baffles 37 are fixed respectively and set up in the 2 top left and right sides of fly leaf, and spacing groove 33 has all been seted up to one side that two baffles 37 kept away from mutually, L shape pole 36 is close to the one end of spacing groove 33 and extends to inside the spacing groove 33, is convenient for carry on spacing fixed to fly leaf 2.

Furthermore, the cross sections of the positioning groove 16 and the positioning block 17 are rectangular, so that the positioning groove 16 and the positioning block 17 can be conveniently mounted and dismounted, and the positioning block 17 is clamped with the positioning groove 16, so that the positioning block 17 can rotate and simultaneously drive the wire feeding wheel 13 to rotate.

Furthermore, one side of the first supporting plate 3 close to the main bevel gear 27 is provided with a first handle, and the first handle penetrates through the first supporting plate 3 and is fixedly connected with the main bevel gear 27, so that the operation of a user is facilitated.

Further, 1 one side of box is equipped with the second handle, the second handle runs through box 1 and second threaded rod 35 fixed connection, and the user of being convenient for operates.

The implementation scenario is specifically as follows:

when the utility model is used, the welding wire reaches the discharge pipe 20 through the feed pipe 19, the two pressure wheels 14 and the two wire feeding wheels 13, then the first handle is rotated to drive the main bevel gear 27 to rotate, the main bevel gear 27 is rotated to drive the auxiliary bevel gear 26 to rotate, the auxiliary bevel gear 26 drives the screw rod 28 limited by the placement groove 11 to rotate, the screw rod 28 rotates to drive the threaded sleeve 29 to move up and down, the threaded sleeve 29 moves to drive the first fixing plate 12 to move up and down, the first fixing plate 12 drives the second fixing plate 10 to move up and down through the limitation of the pressure wheels 14, in the moving process of the two, the size of the welding wire can be adjusted, then the motor 32 drives the conveyor belt 31 and the two driving rollers 30 to rotate, the two driving rollers 30 rotate and simultaneously respectively drive the two wire feeding wheels 13 to rotate, the welding wire is conveyed, the pressure sensor 23 in the pressurizing wheel 14 is used for monitoring the pressure born by the welding wire in real time, the detected data is sent to the controller 24, the controller 24 processes the received data, when the monitored pressure data have large difference, the welding wire can be bent, then the controller 24 alarms through an alarm to remind a worker to overhaul, when the welding wire is used for a long time, the surfaces of the wire feeding wheel 13 and the pressurizing wheel 14 can be abraded, the second threaded rod 35 can be rotated to drive the two L-shaped rods 36 on the wire feeding wheel to move, the two L-shaped rods 36 are separated from the limiting groove 33 on the movable plate 2, the movable plate 2 is not limited, then the movable plate 2 is integrally pulled out through the opening 21, the first threaded rod 6 is rotated after being pulled out, the two threaded seats 7 on the first threaded rod 6 are driven to move outwards simultaneously when the first threaded rod 6 rotates, and in the moving process, the first support plate 3 and the second support plate 4 are driven to move outwards through the connecting rod 8, the first support plate 3 and the second support plate 4 also drive the first fixing plate 12 and the second fixing plate 10 to move outwards at the same time, meanwhile, the positioning blocks 17 on the first support plate 3, the second support plate 4, the first fixing plate 12 and the second fixing plate 10 are separated from the pressurizing wheel 14 and the positioning grooves 16 on the wire feeding wheel 13, at the moment, the pressurizing wheel 14 and the wire feeding wheel 13 can be disassembled, the pressurizing wheel 14 and the wire feeding wheel 13 are maintained and repaired, after the maintenance, the pressurizing wheel 14 and the wire feeding wheel 13 are installed, the pressurizing wheel 14 and the wire feeding wheel 13 are connected through the clamping connection of the positioning blocks 17 and the positioning grooves 16, then, the first threaded rod 6 is rotated to enable the two threaded seats 7 on the first threaded rod 6 to drive the first support plate 3 and the second support plate 4 to move inwards, and enable the first support plate 3, the second support plate 4, Locating piece 17 on first fixed plate 12 and the second fixed plate 10 and constant head tank 16 looks joint on pinch roller 14 and the wire feeding wheel 13, fix pinch roller 14 and wire feeding wheel 13, later with fly leaf 2 propelling movement to box 1 inside again, then drive two L shape poles 36 through second threaded rod 35 and inlay the spacing groove 33 of establishing into on two baffles 37, carry out spacing fixed to fly leaf 2, avoid taking place the skew in the use, and influence and send a efficiency.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides an automatic change welding wire drive feed unit of welding machine, includes box (1), its characterized in that: the bottom of the inner cavity of the box body (1) is provided with a movable plate (2), the tops of the front side and the rear side of the movable plate (2) are respectively provided with a first supporting plate (3) and a second supporting plate (4), the first supporting plate (3) is arranged on the front side of the second supporting plate (4), the top of the movable plate (2) is provided with a groove (5), the groove (5) is arranged between the first supporting plate (3) and the second supporting plate (4), a first threaded rod (6) is arranged in the groove (5), the two ends of the first threaded rod (6) are respectively connected with the inner walls of the front side and the rear side of the groove (5) through bearings, the outer walls of the two ends of the first threaded rod (6) are respectively in threaded connection with a threaded seat (7), the top of the threaded seat (7) is fixedly provided with a connecting rod (8), and the two connecting rods (8) are respectively fixedly connected with one side, which is close to the first supporting plate (3) and the second supporting plate (4), the wire feeding device is characterized in that two sliding rods (9) are fixedly arranged at the top of the second supporting plate (4), the two sliding rods (9) are symmetrically arranged about the central axis of the second supporting plate (4), the same second fixing plate (10) is arranged at the top of the two sliding rods (9), the top ends of the two sliding rods (9) respectively penetrate through the bottoms of the two ends of the second fixing plate (10) and extend to the top of the second fixing plate (10), the sliding rods (9) are movably connected with the second fixing plate (10), a placing groove (11) is formed in the top of the first supporting plate (3), an adjusting device is fixedly arranged in the placing groove (11), a first fixing plate (12) is arranged at the top of the first supporting plate (3), the adjusting device is arranged at the bottom of the first fixing plate (12), two wire feeding wheels (13) are arranged between the first supporting plate (3) and the second supporting plate (4), and two pressurizing wheels (14) are arranged between the first fixing plate (12) and the second fixing plate (10), the two pressure wheels (14) and the two wire feeding wheels (13) are symmetrically arranged about the central axis of the movable plate (2), limiting columns (15) are fixedly arranged on the two sides of the wire feeding wheels (13) and the pressure wheels (14), positioning grooves (16) are formed in the sides, far away from the two limiting columns (15), of the two limiting columns (15), positioning blocks (17) are arranged inside the positioning grooves (16), rotating plates (18) are fixedly arranged on the sides, far away from the limiting columns (15), of the positioning blocks (17), the rotating plates (18) on the two sides of the wire feeding wheels (13) are respectively connected with the side, close to the first supporting plate (3) and the second supporting plate (4) through rotating shafts, the rotating plates (18) on the two sides of the pressure wheels (14) are respectively connected with the side, close to the first fixing plate (12) and the second fixing plate (10) through rotating shafts, a driving device is fixedly arranged on the side, far away from the first supporting plate (3), of the second supporting plate (4), the driving device is arranged in the box body (1), a feeding pipe (19) and a discharging pipe (20) are respectively and fixedly communicated with the two sides of the box body (1), the feeding pipe (19) and the discharging pipe (20) are symmetrically arranged around the central axis of the box body (1), an opening (21) is arranged on the front side of the box body (1), one end of the movable plate (2) close to the opening (21) extends into the opening (21), the first supporting plate (3) is arranged in the opening (21), a ring sleeve (22) is sleeved outside the pressurizing wheel (14), a pressure sensor (23) is arranged in the ring sleeve (22), a controller (24) is fixedly arranged at the top of the box body (1), an alarm (25) is arranged on one side of the controller (24), the alarm (25) is fixedly arranged on the top of the box body (1), the pressure sensor (23) and the alarm (25) are electrically connected with the controller (24).

2. The welding wire feeder of the automated welding machine of claim 1, wherein: the adjusting device comprises a slave bevel gear (26), the slave bevel gear (26) is connected with the bottom of an inner cavity of the placing groove (11) through a rotating shaft, a main bevel gear (27) is meshed on one side of the top of the slave bevel gear (26), the main bevel gear (27) is connected with the inner wall of one side of the placing groove (11) through the rotating shaft, a screw rod (28) is fixedly arranged on the top of the slave bevel gear (26), a threaded sleeve (29) is connected to the outer wall of the top end of the screw rod (28) in a threaded mode, the section of the threaded sleeve (29) is set to be in a U shape, the top end of the threaded sleeve (29) penetrates through the placing groove (11) and extends to the top of the first supporting plate (3), the section of the threaded sleeve (29) and the section of the placing groove (11) are both set to be rectangular, and the top of the threaded sleeve (29) is fixedly connected with the bottom of the first fixing plate (12).

3. The welding wire feeder of the automated welding machine of claim 1, wherein: drive arrangement includes two drive rollers (30), and two drive rollers (30) set up inside box (1), are equipped with conveyer belt (31) between two drive rollers (30), connect through conveyer belt (31) between two drive rollers (30), and two drive rollers (30) all run through second backup pad (4) and send silk wheel (13) fixed connection with two respectively, second backup pad (4) one side is equipped with motor (32), motor (32) and one of them drive roller (30) fixed connection, motor (32) and controller (24) electric connection.

4. The welding wire feeder of the automated welding machine of claim 1, wherein: spout (34) have been seted up to box (1) inner chamber bottom, spout (34) inside is equipped with second threaded rod (35), second threaded rod (35) both ends all through the bearing respectively with spout (34) both sides inner wall connection, the equal threaded connection of second threaded rod (35) both ends outer wall has L shape pole (36), be equipped with baffle (37) between first backup pad (3) and second backup pad (4), two baffle (37) are fixed respectively and set up in fly leaf (2) top left and right sides, and spacing groove (33) have all been seted up to one side that two baffle (37) kept away from mutually, the one end that L shape pole (36) are close to spacing groove (33) extends to inside spacing groove (33).

5. The welding wire feeder of the automated welding machine of claim 1, wherein: the cross sections of the positioning groove (16) and the positioning block (17) are both rectangular.

6. The welding wire feeder of the automated welding machine of claim 2, wherein: one side that first backup pad (3) are close to main bevel gear (27) is equipped with the first in command, the first in command runs through first backup pad (3) and main bevel gear (27) fixed connection.

7. The welding wire feeder of the automated welding machine of claim 4, wherein: and a second handle is arranged on one side of the box body (1), and the second handle penetrates through the box body (1) and is fixedly connected with a second threaded rod (35).