Automatic welding wire feeding device of intelligent welding robot
Technical Field
The invention relates to an automatic feeding device, in particular to an automatic welding wire feeding device of an intelligent welding robot.
Background
In the process of recent development, a very important industry appears, namely the welding industry, and the maintenance of damaged metal materials is not needed to be worried in the industry, so that the use of some metal products is improved, and the welding wire can be welded in any field as long as machinery is involved, and therefore, the automatic feeding device for the welding wire of the intelligent welding robot is invented.
Disclosure of Invention
The invention relates to an automatic feeding device, in particular to an automatic welding wire feeding device of an intelligent welding robot.
In order to solve the technical problem, the invention relates to an automatic feeding device, in particular to an automatic welding wire feeding device of an intelligent welding robot, which comprises an installation shell, a fixing device, a moving device and a clamping device, wherein other internal devices are installed on the installation shell and a welding wire is inserted into the installation shell, the fixing device serves as a supporting device and a fixed base, the moving device moves on the fixing device in a reciprocating annular mode, the clamping device moves to one end with the welding wire to tightly grasp the welding wire, and the welding wire is contracted and sent when no welding wire exists, and the automatic feeding device is characterized in that: the installation shell comprises an installation shell body and a welding wire through hole, and the welding wire through hole is formed in the installation shell body.
The fixing device comprises a fixing table, a sliding channel and a tooth surface, wherein the fixing table is fixedly installed in the installation shell, the sliding channel is arranged on the fixing table, and the tooth surface is arranged on the sliding channel.
The moving device comprises a mounting plate, a connecting support rod, a shaft mounting ring, a rotating shaft, a rotating gear, a receiving belt wheel, a motor, an output belt wheel, a transmission belt, a moving auxiliary device, an auxiliary wheel mounting shaft and an auxiliary wheel, wherein the connecting support rod is fixedly mounted on the mounting plate, the shaft mounting ring is fixedly mounted on the connecting support rod, the rotating shaft is movably mounted on the shaft mounting ring, the rotating gear is fixedly mounted on the rotating shaft, the rotating gear is meshed with a tooth surface, the receiving belt wheel is fixedly mounted on the rotating shaft, the motor is fixedly mounted on the mounting plate, the output belt wheel is fixedly mounted on the motor, the transmission belt is mounted on the output belt wheel, the transmission belt is mounted on the receiving belt wheel, the moving auxiliary device is fixedly mounted on the mounting plate, the auxiliary wheel mounting shaft is fixedly mounted on the moving auxiliary device, the, the installation cylinder is fixedly installed on the installation plate, the spring compression plate is movably installed inside the installation cylinder, the spring compression plate connecting rod is fixedly installed on the spring compression plate, the spring is movably installed inside the installation cylinder, the spring is movably installed on the spring compression plate connecting rod, the installation cylinder is fixedly installed on the installation cylinder, and the spring compression plate connecting rod is movably installed on the installation cylinder.
The clamping device comprises a mounting square tube, a motor I, a bevel gear I, a rotating lead screw, a bevel gear II, a movable block, a hinged plate, a movable square plate, a push rod, a connecting diagonal rod, a mounting tube III, a connecting round tube III, a connecting L-shaped plate I, a hinged plate II, a connecting L-shaped plate II, a constant force clamping device and a clamping block, wherein the mounting square tube is fixedly arranged on the mounting plate, the motor I is fixedly arranged inside the mounting square tube, the bevel gear I is fixedly arranged on the motor I, the rotating lead screw is movably arranged inside the mounting square tube, the bevel gear II is fixedly arranged on the rotating lead screw, the movable block is movably arranged inside the mounting square tube and is in threaded fit with the rotating lead screw, the hinged plate is hinged on the movable block, the hinged plate is hinged on the movable square plate, the movable square plate is movably arranged inside the, the mounting pipe III is fixedly mounted on the connecting inclined rod, the connecting circular pipe III is movably mounted inside the mounting pipe III, the connecting L-shaped plate I is fixedly mounted on the connecting circular pipe III, the hinged plate II is hinged on the connecting L-shaped plate I, the hinged plate II is hinged on the connecting L-shaped plate II, the connecting L-shaped plate II is hinged on the connecting L-shaped plate I, the constant force clamping device is mounted on the connecting L-shaped plate II, the clamping block is fixedly mounted on the connecting L-shaped plate II, the mounting square pipe comprises a square pipe, a moving cavity, a motor mounting hole, a moving block moving groove and a hinged plate swinging groove, the moving cavity is arranged inside the square pipe, the motor mounting hole is arranged inside the moving block, the moving groove is arranged inside the square pipe, the hinged plate swinging groove is arranged inside the square pipe, the, A second hinge post and a third hinge post, wherein the first L plate is fixedly arranged on the third connecting circular tube, the first hinge post is fixedly arranged on the first L plate, the second hinge post is fixedly arranged on the first L plate, the third hinge post is fixedly arranged on the first L plate, the second connecting L plate comprises a second L plate, a fourth hinge post and a hinge hole, the second L plate is fixedly arranged on the second hinge post through the hinge hole, the fourth hinge post is fixedly arranged on the second L plate, the hinge hole is arranged on the second L plate, the constant force clamping device comprises an upper end connecting seat, a second hinge hole, a square tube, a threaded hole pressing plate, a threaded post, a bottom end baffle, a limiting cap, a fourth connecting post, a bottom end hinge seat, a third hinge hole and a third spring, the upper end connecting seat is hinged on the third hinge post through the hinge hole, the second hinge hole is arranged on the upper end connecting seat, the square tube is fixedly arranged on the upper end connecting seat, the threaded hole pressing plate is movably, the threaded column is movably mounted on the bottom baffle, the limiting cap is fixedly mounted on the threaded column, the connecting column four is movably mounted on the threaded column, the bottom hinge seat is hinged to the hinge column four through the hinge hole three, the hinge hole three is arranged on the bottom hinge seat, and the spring three is movably mounted on the threaded column;
the fixing device is fixedly installed inside the installation shell, the moving device is movably installed on the fixing device, and the clamping device is fixedly installed on the moving device.
As a further optimization of the technical scheme, the number of the welding wire through holes of the mounting shell of the automatic welding wire feeding device for the intelligent welding robot is two.
As a further optimization of the technical scheme, the number of the moving devices of the welding wire automatic feeding device of the intelligent welding robot is twenty-four, in each moving device, the number of the connecting support rods, the number of the shaft mounting rings and the number of the rotating gears are two, the number of the movement auxiliary devices is two, the number of the auxiliary wheel mounting shafts is two, and the number of the auxiliary wheels is four.
As a further optimization of the technical scheme, the number of the moving block, the hinged plate, the connecting inclined rod, the mounting pipe III, the connecting circular pipe III, the connecting L-shaped plate I, the hinged plate II, the connecting L-shaped plate II, the constant-force clamping device and the clamping blocks of the clamping device of the intelligent welding robot automatic feeding device is two.
The welding wire automatic feeding device of the intelligent welding robot has the beneficial effects that:
the invention relates to an automatic feeding device, in particular to an automatic welding wire feeding device of an intelligent welding robot.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of the overall structure of an automatic welding wire feeding device of an intelligent welding robot.
Fig. 2 is a schematic perspective sectional view of the whole structure of an automatic welding wire feeding device of an intelligent welding robot.
Fig. 3 is a partially enlarged schematic view of the whole structure of the automatic welding wire feeding device of the intelligent welding robot in a three-dimensional sectional view.
Fig. 4 is a schematic perspective view of a fixing device 2 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 5 is a schematic perspective sectional view of a fixing device 2 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 6 is a schematic perspective view of a moving device 3 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 7 is a schematic perspective sectional view of a moving device 3 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 8 is a schematic perspective sectional view of the movement assisting device 3-10 of the automatic welding wire feeding device of the intelligent welding robot according to the present invention.
Fig. 9 is a schematic perspective view of a clamping device 4 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 10 is a schematic perspective sectional view of a clamping device 4 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 11 is a partially enlarged schematic perspective view of a clamping device 4 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
Fig. 12 is a schematic perspective view of an installation square tube 4-1 of the automatic welding wire feeding device of the intelligent welding robot.
FIG. 13 is a schematic sectional perspective view of a mounting square tube 4-1 of an automatic welding wire feeding device of an intelligent welding robot according to the present invention.
FIG. 14 is a schematic perspective view of a first L-shaped plate 4-13 of the automatic welding wire feeding device of the intelligent welding robot.
FIG. 15 is a schematic perspective view of a connecting L-shaped plate II 4-15 of the automatic welding wire feeding device of the intelligent welding robot.
Fig. 16 is a schematic perspective view of the constant force clamping devices 4-16 of the automatic welding wire feeding device of the intelligent welding robot.
Fig. 17 is a schematic sectional perspective view of the constant force clamping device 4-16 of the automatic welding wire feeding device of the intelligent welding robot.
Fig. 18 is a schematic diagram of the constant force clamping device 4-16 of the automatic welding wire feeding device of the intelligent welding robot with a partially enlarged cross section.
In the figure: installing the shell 1; installing a shell 1-1; the welding wire passes through the hole 1-2; a fixing device 2; a fixed table 2-1; a sliding channel 2-2; 2-3 of tooth surface; a mobile device 3; mounting plate 3-1; connecting a support rod 3-2; 3-3 of a shaft mounting ring; 3-4 of a rotating shaft; 3-5 of a rotating gear; receiving belt wheels 3-6; 3-7 of a motor; 3-8 parts of an output belt wheel; 3-9 parts of a transmission belt; a mobility assistance device 3-10; mounting the cylinder 3-10-1; 3-10-2 parts of a spring compression plate; a spring compression plate connecting rod 3-10-3; 3-10-4 parts of a spring; mounting a cylinder sealing plate 3-10-5; auxiliary wheel mounting shafts 3-11; 3-12 of auxiliary wheels; a clamping device 4; mounting a square tube 4-1; 4-1-1 of square tubes; a mobile cavity 4-1-2; 4-1-3 of a motor mounting hole; a moving block moving groove 4-1-4; a hinged plate swinging groove 4-1-5; 4-2 of a first motor; 4-3 of a first bevel gear; rotating the screw rod 4-4; 4-5 parts of a bevel gear II; a moving block 4-6; hinge plates 4-7; 4-8 parts of a movable square plate; 4-9 of a push rod; 4-10 of connecting diagonal rods; mounting a third pipe 4-11; connecting a third round pipe 4-12; connecting the L-shaped plates 4-13; l plate I4-13-1; the hinge column I is 4-13-2; a second hinge column 4-13-3; a third hinged column 4-13-4; hinge plates II 4-14; connecting the L-shaped plates 4-15; 4-15-1 of a second L plate; four hinged columns 4-15-2; hinge holes 4-15-3; 4-16 parts of a constant force clamping device; the upper end connecting seat 4-16-1; a second hinge hole 4-16-2; 4-16-3 of a square barrel; the threaded hole is provided with a pressing plate 4-16-4; 4-16-5 of a threaded column; 4-16-6 parts of a bottom baffle plate; 4-16-7 of a limiting cap; connecting column four 4-16-8; the bottom end is hinged with a seat 4-16-9; hinge holes III are 4-16-10; spring three 4-16-11; clamping blocks 4-17.
Detailed Description
The first embodiment is as follows:
in order to solve the technical problems, the invention relates to an automatic feeding device, in particular to an automatic welding wire feeding device of an intelligent welding robot, which comprises a mounting shell 1, a fixing device 2, a moving device 3 and a clamping device 4, realizes the mounting of other internal devices and the penetration of welding wires through the mounting shell, wherein the fixing device is used as a supporting device and a fixed base, the moving device performs reciprocating circular motion on the fixing device, the clamping device moves to one end with the welding wires to grasp the welding wires, and the welding wires are contracted and sent when no welding wires exist, and the automatic feeding device is characterized in that: the mounting shell 1 comprises a mounting shell 1-1 and a welding wire through hole 1-2, wherein the welding wire through hole 1-2 is arranged on the mounting shell 1-1.
The fixing device 2 comprises a fixing table 2-1, a sliding channel 2-2 and a tooth surface 2-3, wherein the fixing table 2-1 is fixedly arranged in the mounting shell 1-1, the sliding channel 2-2 is arranged on the fixing table 2-1, and the tooth surface 2-3 is arranged on the sliding channel 2-2.
The moving device 3 comprises a mounting plate 3-1, a connecting support rod 3-2, a shaft mounting ring 3-3, a rotating shaft 3-4, a rotating gear 3-5, a receiving belt wheel 3-6, a motor 3-7, an output belt wheel 3-8, a transmission belt 3-9, a movement auxiliary device 3-10, an auxiliary wheel mounting shaft 3-11 and an auxiliary wheel 3-12, wherein the motor 3-7 drives the output belt wheel 3-8 to rotate, the output belt wheel 3-8 receives the belt wheel 3-6 to rotate through the transmission belt 3-9, the receiving belt wheel 3-6 drives the rotating shaft 3-4 to rotate, the rotating shaft 3-4 drives the rotating gear 3-5 to rotate, and the rotating gear 3-5 is meshed with the tooth surface 2-3 because the rotating gear 3-5 is meshed with the tooth surface 2-3, will move inside the sliding channel 2-2 and at the same time the spring 3-10-4 of the moving assistance device 3-10 will give the spring compression plate 3-10-2 a force that pulls the assistance wheel mounting shaft 3-11 against the sliding channel 2-2 via the spring compression plate connecting rod 3-10-3 so that the rotating gear 3-5 and the tooth flank 2-3 are more tightly engaged and prevented from tilting, so that the moving device 3 moves annularly on the fixation device 2, the connecting strut 3-2 is mounted on the mounting plate 3-1, the shaft mounting ring 3-3 is mounted on the connecting strut 3-2, the rotating shaft 3-4 is movably mounted on the shaft mounting ring 3-3, the rotating gear 3-5 is mounted on the rotating shaft 3-4, the rotating gear 3-5 is engaged with the tooth flank 2-3, a receiving belt wheel 3-6 is fixedly arranged on a rotating shaft 3-4, a motor 3-7 is fixedly arranged on a mounting plate 3-1, an output belt wheel 3-8 is fixedly arranged on the motor 3-7, a transmission belt 3-9 is arranged on the output belt wheel 3-8, the transmission belt 3-9 is arranged on the receiving belt wheel 3-6, a movement auxiliary device 3-10 is fixedly arranged on the mounting plate 3-1, an auxiliary wheel mounting shaft 3-11 is fixedly arranged on the movement auxiliary device 3-10, an auxiliary wheel 3-12 is movably arranged on the auxiliary wheel mounting shaft 3-11, the auxiliary wheel 3-12 is matched with the inner wall of a sliding channel 2-2, the movement auxiliary device 3-10 comprises a mounting cylinder 3-10-1, a spring compression plate 3-10-2, A spring compression plate connecting rod 3-10-3, a spring 3-10-4, the mounting cylinder sealing plate is 3-10-5, the mounting cylinder 3-10-1 is fixedly mounted on the mounting plate 3-1, the spring compression plate 3-10-2 is movably mounted inside the mounting cylinder 3-10-1, the spring compression plate connecting rod 3-10-3 is fixedly mounted on the spring compression plate 3-10-2, the spring 3-10-4 is movably mounted inside the mounting cylinder 3-10-1, the spring 3-10-4 is movably mounted on the spring compression plate connecting rod 3-10-3, the mounting cylinder sealing plate 3-10-5 is fixedly mounted on the mounting cylinder 3-10-1, and the spring compression plate connecting rod 3-10-3 is movably mounted on the mounting cylinder sealing plate 3-10-5.
The clamping device 4 comprises a mounting square tube 4-1, a motor I4-2, a bevel gear I4-3, a rotating screw rod 4-4, a bevel gear II 4-5, a moving block 4-6, a hinged plate 4-7, a moving square plate 4-8, a push rod 4-9, a connecting inclined rod 4-10, a mounting tube III 4-11, a connecting round tube III 4-12, a connecting L-shaped plate I4-13, a hinged plate II 4-14, a connecting L-shaped plate II 4-15, a constant force clamping device 4-16 and a clamping block 4-17, the clamping device 4 is mounted on the mounting tube 4 and moves synchronously while moving, when the mounting tube moves to be close to a welding wire, the motor I4-2 drives the bevel gear I4-3, the bevel gear I4-3 drives the bevel gear II 4-5 to rotate, the bevel gear II 4-5 drives the rotating lead screw 4-4 to rotate, the rotating lead screw 4-4 drives the moving block 4-6 to move in the moving block moving groove 4-1-4, the moving block 4-6 pushes the moving square plate 4-8 to move in the moving cavity 4-1-2 through the hinged plate 4-7, the moving square plate 4-8 pushes the push rod 4-9 to move outwards, the push rod 4-9 pulls the connecting L-shaped plate I4-13 to move outwards in the connecting circular tube III 4-12 along the direction of the mounting tube III 4-11 through the hinged plate II 4-14, so that the distance between the two connecting L-shaped plates I4-13 is reduced, the distance between the connecting L-shaped plates II 4-15 mounted on the connecting L-shaped plates I4-13 is reduced, and then the spring III 4-16-11 of the constant force clamping device 4-16 pushes the threaded hole inwards to push The welding wire clamping device 4 drives the welding wire to move forwards when moving to a corner, the clamping device 4 releases the welding wire, the clamping device 4 pushes the welding wire forwards repeatedly, the mounting square tube 4-1 is mounted and fixed on the mounting plate 3-1, a motor I4-2 is fixedly installed inside a mounting square pipe 4-1, a bevel gear I4-3 is fixedly installed on the motor I4-2, a rotating screw rod 4-4 is movably installed inside the mounting square pipe 4-1, a bevel gear II 4-5 is fixedly installed on the rotating screw rod 4-4, a moving block 4-6 is movably installed inside the mounting square pipe 4-1, the moving block 4-6 is in threaded fit with the rotating screw rod 4-4, a hinged plate 4-7 is hinged on the moving block 4-6, a hinged plate 4-7 is hinged on a moving square plate 4-8, the moving square plate 4-8 is movably installed inside the mounting square pipe 4-1, a push rod 4-9 is fixedly installed on the moving square plate 4-8, and a connecting inclined rod 4-10 is fixedly installed on the mounting square pipe 4-1, a mounting pipe III 4-11 is fixedly arranged on a connecting diagonal rod 4-10, a connecting circular pipe III 4-12 is movably arranged inside the mounting pipe III 4-11, a connecting L-shaped plate I4-13 is fixedly arranged on the connecting circular pipe III 4-12, a hinge plate II 4-14 is hinged on the connecting L-shaped plate I4-13, the hinge plate II 4-14 is hinged on the connecting L-shaped plate II 4-15, the connecting L-shaped plate II 4-15 is hinged on the connecting L-shaped plate I4-13, a constant force clamping device 4-16 is arranged on the connecting L-shaped plate II 4-15, a clamping block 4-17 is fixedly arranged on the connecting L-shaped plate II 4-15, a mounting square pipe 4-1 comprises a square pipe 4-1-1, A moving cavity 4-1-2, a motor mounting hole 4-1-3, a moving block moving groove 4-1-4 and a hinged plate swinging groove 4-1-5, a square tube 4-1-1 is fixedly arranged on the mounting plate 3-1, the moving cavity 4-1-2 is arranged inside the square tube 4-1-1, the motor mounting hole 4-1-3 is arranged inside the square tube 4-1-1, the moving block moving groove 4-1-4 is arranged inside the square tube 4-1-1, the hinged plate swinging groove 4-1-5 is arranged inside the square tube 4-1-1, the connecting L-shaped plate I4-13 comprises an L-shaped plate I4-13-1, a hinged column I4-13-2, a hinged column II 4-13-3, a hinge column II 4-13-3, A third hinged column 4-13-4, a first L-shaped plate 4-13-1 is fixedly arranged on a third connecting circular tube 4-12, a first hinged column 4-13-2 is fixedly arranged on a first L-shaped plate 4-13-1, a second hinged column 4-13-3 is fixedly arranged on a first L-shaped plate 4-13-1, a third hinged column 4-13-4 is fixedly arranged on a first L-shaped plate 4-13-1, a second connecting L-shaped plate 4-15 comprises a second L-shaped plate 4-15-1, a fourth hinged column 4-15-2 and a fourth hinged hole 4-15-3, the second L-shaped plate 4-15-1 is arranged on the second hinged column 4-13-3 through the second hinged hole 4-15-3, the fourth hinged column 4-15-2 is fixedly arranged on the second L-shaped plate 4-15-1, the hinge hole 4-15-3 is arranged on the L-shaped plate II 4-15-1, the constant force clamping device 4-16 comprises an upper end connecting seat 4-16-1, a hinge hole II 4-16-2, a square barrel 4-16-3, a threaded hole pressing plate 4-16-4, a threaded column 4-16-5, a bottom end baffle 4-16-6, a limiting cap 4-16-7, a connecting column IV 4-16-8, a bottom end hinge seat 4-16-9, a hinge hole III 4-16-10 and a spring III 4-16-11, the upper end connecting seat 4-16-1 is hinged on the hinge column III 4-13-4 through the hinge hole II 4-16-2, the hinge hole II 4-16-2 is arranged on the upper end connecting seat 4-16-1, a square barrel 4-16-3 is fixedly arranged on an upper end connecting seat 4-16-1, a threaded hole is movably arranged in the square barrel 4-16-3 according to a plate 4-16-4, a threaded column 4-16-5 is arranged on the threaded hole press plate 4-16-4, a threaded column 4-16-5 is movably arranged on a bottom end baffle 4-16-6, a limit cap 4-16-7 is fixedly arranged on the threaded column 4-16-5, a connecting column four 4-16-8 is movably arranged on the threaded column 4-16-5, a bottom end hinge seat 4-16-9 is hinged on a hinge column four 4-15-2 through a hinge hole three 4-16-10, the hinge hole three 4-16-10 is arranged on the bottom end hinge seat 4-16-9, the spring III 4-16-11 is movably arranged on the threaded column 4-16-5.
The fixing device 2 is fixedly installed in the installation shell 1, the moving device 3 is movably installed on the fixing device 2, and the clamping device 4 is fixedly installed on the moving device 3.
The second embodiment is as follows:
this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and will be further described with reference to the first embodiment, in which two welding wire passing holes 1-2 are provided in the mounting housing 1.
The third concrete implementation mode:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, and 18, and the present embodiment further describes the first embodiment, where the number of the moving devices 3 is twenty-four, the number of the connecting struts 3-2, the shaft mounting rings 3-3, and the rotating gears 3-5 in each moving device 3 is two, the number of the movement assistance devices 3-10 is two, the number of the assistance wheel mounting shafts 3-11 is two, and the number of the assistance wheels 3-12 is four.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, and 18, and the embodiment further describes the first embodiment, where the number of the moving blocks 4-6, the hinge plates 4-7, the connecting inclined rods 4-10, the mounting tubes three 4-11, the connecting circular tubes three 4-12, the connecting L-shaped plates one 4-13, the hinge plates two 4-14, the connecting L-shaped plates two 4-15, the constant force clamping devices 4-16, and the clamping blocks 4-17 of the clamping device 4 is two.
The working principle of the invention is as follows:
an automatic welding wire feeding device of an intelligent welding robot has the working principle that before the automatic welding wire feeding device is used, whether the connection condition between the devices meets requirements is checked, the welding wire used for welding penetrates into the mounting shell 1-1 through a welding wire through hole 1-2, then a motor 3-7 drives an output belt wheel 3-8 to rotate, the output belt wheel 3-8 receives a belt wheel 3-6 to rotate through a transmission belt 3-9, the receiving belt wheel 3-6 drives a rotating shaft 3-4 to rotate, the rotating shaft 3-4 drives a rotating gear 3-5 to rotate, the rotating gear 3-5 is meshed with a tooth surface 2-3, so that the rotating gear 3-5 is meshed with the tooth surface 2-3 and can move in a sliding channel 2-2, and meanwhile, a spring 3-10-4 of an auxiliary device 3-10 is moved to endow the spring compression plate 3-10-2 with one spring compression plate 3-10 The force pulls the auxiliary wheel mounting shaft 3-11 to be attached to the sliding channel 2-2 through the spring compression plate connecting rod 3-10-3 so that the rotating gear 3-5 and the tooth surface 2-3 are engaged more tightly and prevented from inclining, the moving device 3 moves annularly on the fixing device 2 and is mounted on the clamping device 4 to move synchronously while moving, when the motor I4-2 moves to be close to a welding wire, the bevel gear I4-3 drives the bevel gear I4-3, the bevel gear I4-3 drives the bevel gear II 4-5 to rotate, the bevel gear II 4-5 drives the rotating lead screw 4-4 to rotate, the rotating lead screw 4-4 drives the moving block 4-6 to move in the moving block moving groove 4-1-4, and the moving block 4-6 pushes the moving square plate 4-8 to move in the moving cavity 4-1-2 through the hinged plate 4-7, the moving square plate 4-8 pushes the push rod 4-9 to move outwards, the push rod 4-9 pulls the connecting L-shaped plate I4-13 to move outwards in the direction of the connecting circular tube III 4-12 along the mounting tube III 4-11 through the hinge plate II 4-14, so that the distance between the two connecting L-shaped plate I4-13 is reduced, the distance between the connecting L-shaped plate II 4-15 mounted on the connecting L-shaped plate I4-13 is reduced, then the spring III 4-16-11 of the constant force clamping device 4-16 pushes the threaded hole inwards to move inside the square cylinder 4-16-3 according to the plate 4-16-4, the threaded hole pulls the threaded column 4-16-5 to move according to the plate 4-16-4, so that the lengths of the threaded column 4-16-5 and the square cylinder 4-16-3 are reduced, a clamping force is given to the clamping blocks 4-17, the position of the threaded hole of the plate 4-16-4 in the square barrel 4-16-3 is changed through the threaded columns 4-16-5, the compressed amount of the spring is changed, then the clamping force of the clamping blocks 4-17 is changed, the clamping device 4 for clamping the welding wire drives the welding wire forward, the clamping device 4 moves to release the welding wire when turning is needed, and the clamping device 4 repeatedly pushes the welding wire forward.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.