CN113798744A

CN113798744A - Automatic positioning welding device and welding method

Info

Publication number: CN113798744A
Application number: CN202111128936.9A
Authority: CN
Inventors: 郭海艇
Original assignee: Nanjing Lingyi Technology Co ltd
Current assignee: Nanjing Lingyi Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2021-12-17

Abstract

The invention discloses an automatic positioning welding device and a welding method, which comprises the following steps: the main part, it is placed subaerial, the main part is inside to be hollow structure, and the main part link up inside and be equipped with down the baffle all around and about to four sides to main part upper end side is equipped with the overhead gage, the baffle is equipped with three down, and three lower baffles are located the main part respectively around and right side upper end to baffle welded connection main part lateral wall down, the conveyer belt, it is located main part left side upper end, the end pivot is bearing connection bottom surface welded connection main part about the conveyer belt branch upper end respectively. The slider that goes up, it removes about removing through starting top motor, drives the welding equipment of below simultaneously, removes it to the chuck upper end when needing to change the soldered connection, starts No. four push-pull rods and rises the chuck, starts No. two motors simultaneously and rotates the chuck and select suitable soldered connection to weld, changes the soldered connection and adapts to the welding seam of different degree when conveniently welding.

Description

Automatic positioning welding device and welding method

Technical Field

The invention relates to the technical field of welding, in particular to an automatic positioning welding device and a welding method.

Background

Welding, also known as fusion welding, is a manufacturing process for joining two separate metallic materials by means of high temperature or high pressure, modern welding has been developed to allow a number of methods to be performed, such as gas flame, electric arc, laser, friction, ultrasound, etc., but there are still some problems in performing welding, such as:

the application numbers are: 201210107192.7, a fixed-position welding device, when using, according to its structural design, it carries out fixed-position welding through supporting base, pneumatic control unit, cylinder, telescopic link, spot welding board, pivot, fixed-position welding unit, stopper, spring leaf etc. but still has following defect:

1. when welding, the welding surface of a welded workpiece needs to be cleaned, and harmful substances such as oxides, slag and the like which influence welding are removed, but the harmful substances cannot be removed;

2. in the face of different welding requirements, welding seams with different widths can appear, a welding head with a single size cannot meet various requirements, and the welding head cannot be conveniently replaced.

We have therefore proposed an automatic tack welding apparatus and welding method which facilitate solving the problems set forth above.

Disclosure of Invention

The invention aims to provide an automatic positioning welding device and a welding method, which are used for solving the problems that the welding surface of a workpiece cannot be cleaned and welding seams with different widths under different requirements cannot be quickly handled in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic positioning welding device and a welding method comprise the following steps: the main part, it is placed subaerial, the main part is inside to be hollow structure, and the main part link up inside and be equipped with down the baffle all around, and the main part upper end side is equipped with the overhead gage, the baffle is equipped with three down, and three lower baffles are located the main part respectively around and right side upper end to baffle welded connection main part lateral wall down, the conveyer belt, it is located main part left side upper end, the conveyer belt is controlled the end pivot and is bearing connection bottom surface welded connection main part respectively the branch upper end, and a motor output end is connected to conveyer belt left side front end pivot to the conveyer belt upper end is equipped with splint No. one, a motor welded connection left side front end branch top.

By adopting the technical scheme, the workpieces can be conveyed through the conveying belt to be welded, so that the labor consumption is reduced.

As a preferred technical scheme of the invention, the upper baffle is provided with four, the four upper baffles are respectively positioned on the front, the back, the left and the right surfaces of the upper end of the main body, the upper baffle is welded with the main body, a first screw rod is arranged between the upper baffles on the left and the right sides, a trapezoidal groove penetrating through the lower part is arranged at the center line of the left side of the upper baffle on the right side, and a fourth push-pull rod is arranged on the left side of the upper baffle on the right side.

By adopting the technical scheme, the first screw rod can be supported and installed through the upper baffle.

According to the preferred technical scheme, the fourth push-pull rod is located at the upper end of the interior of the main body, the top end of the fourth push-pull rod is connected with the inner wall of the top end of the main body in a welding mode, the lower end of the fourth push-pull rod is provided with a connecting plate in a welding mode, the right side of the connecting plate is provided with a trapezoidal protrusion corresponding to the right upper baffle, the lower end of the left side of the connecting plate is provided with a second motor in a welding mode, the second motor is located in the interior of the main body, and the output end of the lower end of the second motor is provided with a chuck.

By adopting the technical scheme, the welding head can be conveniently replaced by matching the second motor with the fourth push-pull rod.

As a preferred technical scheme, the chuck is provided with circular rings which are connected in a welding mode in the front, back, left and right directions, a welding head is placed in the outer side of the circular ring on the surface of the chuck, the upper end of the welding head is provided with a cylindrical protrusion which is a connector, the welding head is installed at the lower end of welding equipment in a matched mode through the cylindrical protrusion at the top end, the bottom surface of the welding equipment is provided with a cylindrical recess which is used for installing the welding head, and the top end of the welding equipment is connected with the lower end of the upper sliding block in a welding mode.

By adopting the technical scheme, a plurality of welding heads which are suitable for the requirements of welding seams with different sizes can be placed through the chuck, so that the rapid replacement is convenient.

As a preferred technical scheme, the upper sliding block is positioned at the top end inside the main body, the front end and the rear end of the upper sliding block are connected with a first screw rod through bolts, the left end and the right end of the first screw rod are respectively connected with the upper baffles on the left side and the right side through bearings, the left side of the first screw rod penetrates through the upper baffles and is connected with the output end of the top motor, and the top motor is connected with the upper baffle on the left side in a welding mode.

By adopting the technical scheme, the first screw rod can be driven to rotate by the top motor so as to drive the upper sliding block to move.

According to the preferred technical scheme, the first clamping plate is provided with a plurality of first clamping plates which are divided into two groups and are symmetrically distributed front and back along the central line of the conveying belt, rectangular protrusions are arranged at the front end and the back end of the upper end of the first clamping plate, trapezoidal grooves are symmetrically distributed left and right on the top surface of the first clamping plate, a stop block which is rotatably connected with the first clamping plate and matched with the first clamping plate is arranged on the left side of the first clamping plate, a second spring is arranged inside the first clamping plate, the left side edge and the right side edge of the front end of the first clamping plate protruding out of the back side are round-angle edges, a grinding plate is arranged at the upper end of the first clamping plate, the two springs are provided, the two springs are transversely arranged on the left side and the right side of the inside of the first clamping plate, the front end of the second spring is welded with a second push plate, the trapezoidal protrusions are symmetrically distributed left and right side edges of the front end of the second push plate are round-angle edges.

By adopting the technical scheme, the clamping plate can be matched with the push plate II to effectively adapt to and fix workpieces with different thicknesses.

As a preferred technical proposal of the invention, the upper end of the grinding plate is provided with a protruding bottom end which is rotationally connected with a first push-pull rod, and the central line of the lower end of the grinding plate is provided with a rectangular groove for placing an upper grinding belt, the rear end of the grinding plate is provided with trapezoidal grooves which are symmetrically distributed left and right, the lower end of the right side of the grinding plate is provided with a second clamping plate, the left side and the right side of the inner part of the upper grinding belt are provided with a rotating shaft bearing which is connected with the front inner wall and the rear inner wall of the inner groove of the grinding plate, the front end of the upper grinding belt is provided with a clamping groove, and the rear end of the upper grinding belt is provided with a sliding plate, the top of the clamping groove is welded and connected below the front end of the grinding plate, the rear end of the clamping groove is provided with a through groove which penetrates through the left side and the right side, a plurality of grinding wheels are uniformly distributed in the clamping groove, trapezoidal protrusions are symmetrically distributed at the left and right sides of the upper end of the sliding plate, and the inside side of slide is equipped with the side and grinds the area, the side grinds the area left and right sides pivot and upwards extends the connecting collar, and the side grinds the upper end of the belt collar rear side and is equipped with the guide pillar and cooperates No. one spring.

By adopting the technical scheme, the surface of the workpiece can be cleaned through the upper grinding belt, the side grinding belt and the grinding wheel.

As a preferred technical scheme, the lower end of the second clamp plate is provided with a protrusion which is rotatably connected with the top end of a second push-pull rod, the right side of the bottom end of the second clamp plate protrudes and is connected with the output end of a third motor, the front and the back of the upper end of the second clamp plate are provided with protrusions, the front of the rear side of the upper end of the second clamp plate protrudes and is provided with third push-pull rods which are symmetrically distributed in the left-right direction, and the front end of each third push-pull rod is connected with a first push plate in a welding mode.

By adopting the technical scheme, the left and right inclination can be performed by matching the second clamping plate with the third push-pull rod and the third motor.

According to the preferred technical scheme, the lower end of the second push-pull rod is welded and connected with the upper end of the bottom sliding block, the two bottom sliding blocks are arranged, the two bottom sliding blocks are all connected to the upper end of the second lead screw through bolts, the second lead screw is located at the bottom end inside the main body, the front end and the rear end of the second lead screw are both supported through supporting plates, and the front end of the second lead screw is connected with the output end of the bottom motor.

By adopting the technical scheme, the workpiece can be pushed to go up and down by the second push-pull rod, so that the welding is convenient.

The invention also provides an automatic positioning welding method, which comprises the following steps:

the method comprises the following steps: clamping two workpieces to be welded through a first clamping plate, matching a second spring at the rear end of the first clamping plate with a second push plate to adapt to the workpieces with different thicknesses for positioning, and then starting a first motor to drive a conveying belt to convey the workpieces;

step two: when the workpiece enters the main body, the first push-pull rod is started to press the grinding plate downwards, the upper grinding belt in the grinding plate is used for cleaning the surface of a welding surface at the top end of the workpiece and oxides, the side grinding belts on the front side and the rear side of the lower end of the grinding plate and the grinding wheel are used for cleaning the surface of the workpiece near the welding surface so as to facilitate subsequent welding, the upper end of the grinding plate rotates to adapt to the inclined surface, and the first spring on the upper end of the side grinding belt and the sliding plate are used for adapting to different thicknesses of the workpiece;

step three: when a workpiece is conveyed to the left side of the second clamping plate, the workpiece is conveyed to the upper end of the second clamping plate through the stop block on the left side of the first clamping plate, the third push-pull rod is started to push the first push plate to clamp and position the workpiece, the bottom motor at the bottom is started to drive the bottom sliding block to move, then the third motor is started to rotate the second clamping plate to rotate the workpiece, and the welding surfaces at the top ends of the workpiece are overlapped and welded;

step four: the top motor is started to drive the first lead screw to drive the upper sliding block to move, so that the welding equipment moves rightwards, the fourth push-pull rod is started to lift the chuck, a proper welding head is selected according to needs and is installed at the lower end of the welding equipment in a matched mode, then the top motor is started to move the welding equipment backwards, and the second push-pull rod is started to lift a workpiece for welding.

Compared with the prior art, the invention has the beneficial effects that:

1. the automatic positioning welding device and the welding method are provided with the upper sliding block, the upper sliding block moves left and right by starting the top motor, meanwhile, welding equipment below the upper sliding block is driven, when a welding head needs to be replaced, the upper sliding block moves to the upper end of the chuck, the fourth push-pull rod is started to lift the chuck, meanwhile, the second motor is started to rotate the chuck, and a proper welding head is selected for welding, so that the welding head can be conveniently replaced to adapt to welding seams with different degrees;

2. the automatic positioning welding device and the welding method are provided with a push-pull rod, a grinding plate is rotatably connected with the lower end of the push-pull rod, the top surface of a workpiece is cleaned through an inner upper grinding belt, then the upper grinding belt is rotated and adapted according to the inclination degree of the welding surface of the workpiece to achieve effective cleaning, the front side and the rear side of the welding surface of the workpiece are synchronously cleaned through a front grinding wheel and a rear side grinding belt, harmful substances such as oxides, slag and the like on the surface of the workpiece are effectively removed, and the influence on subsequent welding is prevented.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective exploded view of the present invention;

FIG. 3 is a schematic perspective view of a grinding plate according to the present invention;

FIG. 4 is a schematic perspective view of a first clamping plate according to the present invention;

FIG. 5 is a schematic perspective view of a second splint of the present invention;

fig. 6 is a schematic perspective view of the chuck according to the present invention.

In the figure: 1. a strut; 2. a first motor; 3. a conveyor belt; 4. a first clamping plate; 5. a slide plate; 6. a grinding wheel; 7. grinding a plate; 8. a top motor; 9. a first push-pull rod; 10. a first screw rod; 11. an upper slide block; 12. welding equipment; 13. welding a head; 14. a main body; 15. an upper baffle plate; 16. a lower baffle plate; 17. a second motor; 18. a chuck; 19. a second splint; 20. a second push-pull rod; 21. a bottom slider; 22. a bottom motor; 23. a second screw rod; 24. a first push plate; 25. a third push-pull rod; 26. a card slot; 27. a first spring; 28. upper grinding belt; 29. a side grinding belt; 30. a second spring; 31. a second push plate; 32. a third motor; 33. a connecting plate; 34. push-pull rod No. four.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: an automatic positioning welding device and a welding method, a main body 14 is placed on the ground, the interior of the main body 14 is of a hollow structure, the main body 14 is internally provided with lower baffle plates 16 which penetrate through the front, back, left and right four sides of the main body 14, the side edge of the upper end of the main body 14 is provided with an upper baffle plate 15, the lower baffle plates 16 are provided with three blocks, the three lower baffle plates 16 are respectively positioned at the front, back, left and right upper ends of the main body 14, the lower baffle plates 16 are welded and connected with the side wall of the main body 14, the upper baffle plates 15 are provided with four blocks, the four upper baffle plates 15 are respectively positioned at the front, back, left and right four sides of the upper end of the main body 14, the upper baffle plates 15 are welded and connected with the main body 14, a first lead screw 10 is arranged between the upper baffle plates 15 at the left and right sides, a trapezoidal groove penetrating through the left side of the upper baffle plate 15 at the right side is arranged at the center line, a fourth push-pull rod 34 is arranged at the left side of the upper baffle plate 15 at the right side, the fourth push-pull rod 34 is positioned at the upper end of the interior of the main body 14, and the top end of the fourth push-pull rod 34 is welded and connected with the top end of the inner wall of the main body 14, the lower end of a fourth push-pull rod 34 is provided with a connecting plate 33 which is connected in a welding manner, the right side of the connecting plate 33 is provided with a trapezoidal protrusion corresponding to the right upper baffle 15, the lower end of the left side of the connecting plate 33 is provided with a second motor 17 which is connected in a welding manner, the output end of the lower end of the second motor 17 is provided with a chuck 18, the chuck 18 is provided with a circular ring which is connected in a welding manner in four directions, a welding head 13 is arranged in the outer side of the circular ring on the surface of the chuck 18, the upper end of the welding head 13 is provided with a cylindrical protrusion which is a connecting head, the welding head 13 is arranged at the lower end of a welding device 12 in a matching manner through the cylindrical protrusion at the top end, the bottom surface of the welding device 12 is provided with a cylindrical recess for installing the welding head 13, the top end of the welding device 12 is connected with the lower end of an upper slide block 11 in a welding manner, the upper slide block 11 is arranged at the top end in the main body 14, the front end and the rear end of the upper slide block 11 are connected with a first lead screw 10, the left end and the right end of the lead screw 10 are respectively connected with the upper baffle 15 at the left side and the right side, the left side of the first screw rod 10 penetrates through the upper baffle 15 to be connected with the output end of the top motor 8, the top motor 8 is connected with the upper baffle 15 on the left side in a welding mode, a plurality of welding heads 13 which are adaptive to different requirements and specifications are placed at the upper end of the chuck 18, the top motor 8 is started to enable the welding equipment 12 to move to the position above the welding heads 13, the second motor 17 is started to rotate the chuck 18 as required, then the fourth push-pull rod 34 is started to lift the chuck 18, the welding heads 13 are connected with the welding equipment 12, replacement is completed, the welding heads 13 can be conveniently replaced timely and conveniently during operation, and accordingly welding work of welding seams of different degrees can be achieved.

As shown in the figures 1-6, a conveyor belt 3 is arranged at the upper left end of a main body 14, the rotating shafts at the left end and the right end of the conveyor belt 3 are respectively connected with the upper ends of supporting rods 1 of a bottom welding connection main body 14 through bearings, the rotating shaft at the front left end of the conveyor belt 3 is connected with the output end of a first motor 2, the upper end of the conveyor belt 3 is provided with a first clamping plate 4, the first motor 2 is connected above the supporting rod 1 at the front left end in a welding way, the first clamping plate 4 is provided with a plurality of first clamping plates 4, the first clamping plates 4 are divided into two groups and are symmetrically distributed along the front and back of the central line of the conveyor belt 3, the front end and the back end of the upper end of the first clamping plate 4 are provided with rectangular bulges, the top surface of the first clamping plate 4 is provided with trapezoidal grooves which are symmetrically distributed in the left and right directions, the left side of the first clamping plate 4 is provided with stops which are rotatably connected and matched with the clamps, the first clamping plate 4 is internally provided with a second spring 30, and the left and right side edges of the bulges at the left side of the first clamping plate 4 are round edges, meanwhile, the upper end of the first clamping plate 4 is provided with a grinding plate 7, the second spring 30 is provided with two springs, the two second springs 30 are transversely arranged at the left side and the right side inside the first clamping plate 4, the front end of the second spring 30 is welded and connected with a second push plate 31, the bottom surface of the second push plate 31 is provided with trapezoidal protrusions which are symmetrically distributed left and right, the left side and the right side of the front end of the second push plate 31 are round edges, the upper end of the grinding plate 7 is provided with a protrusion which is rotationally connected with the bottom end of a first push-pull rod 9, the central line of the lower end of the grinding plate 7 is provided with a rectangular groove for placing an upper grinding belt 28, the rear end of the grinding plate 7 is provided with trapezoidal grooves which are symmetrically distributed left and right, the lower end of the right side of the grinding plate 7 is provided with a second clamping plate 19, the left side and the right side inside the upper grinding belt 28 are provided with rotating shaft bearings which are connected with the front and rear inner walls of the grooves inside the grinding plate 7, the front end of the upper grinding belt 28 is provided with a clamping groove 26, the rear end of the upper grinding belt 28 is provided with a sliding plate 5, the top of the clamping groove 26 is welded and connected below the front end of the grinding plate 7, a through groove penetrating through the left side and the right side is arranged at the rear end of the clamping groove 26, a plurality of grinding wheels 6 are uniformly distributed in the clamping groove 26, a trapezoidal protrusion is symmetrically distributed at the left side and the right side at the upper end of the sliding plate 5, a side grinding belt 29 is arranged in the sliding plate 5, a shaft collar extends upwards from the left side and the right side of a rotating shaft at the left side and the right side of the side grinding belt 29, a guide post matched with a first spring 27 is arranged at the rear side of the shaft collar at the upper end of the side grinding belt 29, a protrusion is arranged at the lower end of a second clamping plate 19 and rotatably connected with the top end of a second push-pull rod 20, the right side of the protrusion at the bottom end of the second clamping plate 19 is connected with the output end of a third motor 32, a protrusion is arranged at the front and back of the upper end of the second clamping plate 19, a third push-pull rod 25 symmetrically distributed at the front side of the protrusion at the back side at the upper end of the second clamping plate 19 is arranged at the front end, a first push-pull rod 24 is welded at the front end of the third push-pull rod 25, the lower end of the second push-pull rod 20 is welded with the upper end of a bottom slider 21, two bottom slider 21, and two bottom sliders 21 are both bolted at the upper end of a second lead screw 23, no. two lead screws 23 are located the inside bottom of main part 14, and No. two lead screws 23 front and back ends all support through the fagging, and motor 22 output at the bottom is connected to No. two lead screws 23 front ends, connect the cleanness that conveniently adapts to the slope welding face of inclining about coming through the rotation on grinding plate 7 top, near face is cleaned to work piece welding face front end to a plurality of emery wheels 6 inside the rethread draw-in groove 26, then near face is cleaned work piece welding face rear end through the inside side grinding belt 29 of slide 5, the surface oxide and the slag of omnidirectional clean welding face and near face, prevent that it from influencing follow-up welding work.

Referring to fig. 1 to 6, the present invention further provides an automatic positioning welding method, including the following steps:

the method comprises the following steps: clamping two workpieces to be welded through a first clamping plate 4, matching a second spring 30 at the rear end of the first clamping plate 4 with a second push plate 31 to adapt to the workpieces with different thicknesses for positioning, and then starting a first motor 2 to drive a conveying belt 3 to convey the workpieces;

step two: when the workpiece enters the main body 14, the first push-pull rod 9 is started to press the grinding plate 7 downwards, the upper grinding belt 28 in the grinding plate 7 cleans the surface of the welding surface at the top end of the workpiece and oxides, the side grinding belts 29 on the front side and the rear side of the lower end of the grinding plate 7 and the grinding wheels 6 clean the surface near the welding surface to facilitate subsequent welding, the upper end of the grinding plate 7 rotates to adapt to the inclined surface, and the first spring 27 on the upper end of the side grinding belt 29 and the sliding plate 5 adapt to different thicknesses of the workpiece;

step three: when a workpiece is conveyed to the left side of the second clamping plate 19, the workpiece is conveyed to the upper end of the second clamping plate 19 through the stop block on the left side of the first clamping plate 4, the third push-pull rod 25 is started to push the first push plate 24 to clamp and position the workpiece, the bottom motor 22 at the bottom is started to drive the bottom sliding block 21 to move, and then the third motor 32 is started to rotate the second clamping plate 19 to rotate the workpiece, so that the welding surfaces at the top ends of the workpieces are overlapped and welded;

step four: the top motor 8 is started to drive the first screw rod 10 to drive the upper sliding block 11 to move, the welding device 12 is driven to move rightwards, the fourth push-pull rod 34 is started to lift the chuck 18, a proper welding head 13 is selected according to requirements and is installed at the lower end of the welding device 12 in a matched mode, then the top motor 8 is started to move the welding device 12 backwards, and the second push-pull rod 20 is started to lift a workpiece for welding.

The working principle is as follows: when the automatic positioning welding device and the welding method are used, firstly, a workpiece to be welded is fixed through the first clamping plate 4 and then conveyed through the first clamping plate 4, then the surface of the welding surface of the workpiece and the nearby surface of the welding surface are cleaned through the grinding wheel 6, the upper grinding belt 28 and the side grinding belt 29 at the lower end of the grinding plate 7, then the workpiece is fixed through the second clamping plate 19 and the second push-pull rod 20, the bottom motor 22 and the third motor 32 are started according to the size of the workpiece to adjust the workpiece, and then the welding head 13 is replaced according to the size of the welding seam to carry out welding work.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An automatic tack welding apparatus comprising: branch, its left side is located subaerial upper end, branch bottom surface welded connection main part is equipped with its characterized in that of conveyer belt on the branch:

the main body is placed on the ground, the interior of the main body is of a hollow structure, the front, back, left and right sides of the main body penetrate through the interior of the main body and are provided with lower baffles, the side edge of the upper end of the main body is provided with three upper baffles, the three lower baffles are respectively positioned at the front, back and right upper ends of the main body, and the lower baffles are welded and connected with the side wall of the main body;

the conveyer belt, it is located main part left side upper end, the bottom surface welded connection main part is connected to the end pivot difference bearing about the conveyer belt branch upper end, and conveyer belt left side front end pivot connect a motor output to the conveyer belt upper end is equipped with splint No. one, a motor welded connection left side front end branch top.

2. An automatic tack welding apparatus according to claim 1, wherein: the upper baffle is provided with four upper baffles which are respectively positioned on four surfaces of the upper end of the main body, namely the front surface, the rear surface, the left surface and the right surface of the main body, the upper baffles are welded with the main body, a screw rod is arranged between the upper baffles on the left side and the right side, a trapezoidal groove penetrating the lower part is formed in the center line of the left side of the upper baffle on the right side, and a push-pull rod is arranged on the left side of the upper baffle on the right side.

3. An automatic tack welding apparatus according to claim 2, wherein: the No. four push-pull rods are located at the upper end inside the main body, the top ends of the No. four push-pull rods are connected with the inner wall of the top end of the main body in a welding mode, the lower ends of the No. four push-pull rods are provided with connecting plates in a welding mode, the right sides of the connecting plates are provided with trapezoidal protrusions corresponding to the upper baffle on the right side, the lower end of the left side of each connecting plate is provided with a second motor in a welding mode, the second motor is located inside the main body, and the output end of the lower end of the second motor is provided with a chuck.

4. An automatic tack welding apparatus according to claim 3, wherein: the chuck is equipped with welded connection's ring all around four directions, and places the soldered connection in the chuck surface ring outside, the soldered connection upper end is equipped with the cylinder protrusion and is the connector, and the soldered connection installs at the welding equipment lower extreme through the cylinder protrusion cooperation on top, the welding equipment bottom surface is equipped with the cylinder and caves in and is used for installing the soldered connection, and welded connection top welded connection at last slider lower extreme.

5. An automatic tack welding apparatus according to claim 4, wherein: the top shoe is located the inside top of main part, and the lead screw of end bolted connection No. one around the top shoe, the last baffle of the left and right sides is connected to both ends bearing respectively about the lead screw, and passes on the lead screw left side and go up the baffle and connect a motor output, top motor welded connection left side overhead gage.

6. An automatic tack welding apparatus according to claim 1, wherein: a splint are equipped with a plurality ofly, and a plurality of splint divide into two sets ofly along conveyer belt central line longitudinal symmetry and distribute to the end is equipped with the rectangle protrusion around splint upper end, and a splint top surface is equipped with bilateral symmetry's dovetail groove, and a splint left side is equipped with the dog of rotation connection and cardboard complex simultaneously, and a splint is inside to be equipped with No. two springs simultaneously, and the splint front end protrusion rear left and right sides limit is the fillet limit simultaneously, and a splint upper end is equipped with the grinding plate simultaneously, No. two springs are equipped with two, and two No. two springs are horizontal to be located the inside left and right sides of a splint to No. two spring front end welded connection push pedals No. two, No. two push pedal bottom surfaces are equipped with the trapezoidal protrusion of bilateral symmetry distribution, and No. two push pedal front ends left and right sides limit is the fillet limit.

7. An automatic tack welding apparatus according to claim 6, wherein: the upper end of the grinding plate is provided with a protrusion which is rotationally connected with the bottom end of a first push-pull rod, the central line of the lower end of the grinding plate is provided with a rectangular groove for placing an upper grinding belt, the rear end of the grinding plate is provided with trapezoidal grooves which are symmetrically distributed left and right, the lower end of the right side of the grinding plate is provided with a second clamping plate, the left side and the right side of the inner part of the upper grinding belt are provided with a rotating shaft bearing which is connected with the front inner wall and the rear inner wall of the inner groove of the grinding plate, the front end of the upper grinding belt is provided with a clamping groove, and the rear end of the upper grinding belt is provided with a sliding plate, the top of the clamping groove is welded and connected below the front end of the grinding plate, the rear end of the clamping groove is provided with a through groove which penetrates through the left side and the right side, a plurality of grinding wheels are uniformly distributed in the clamping groove, trapezoidal protrusions are symmetrically distributed at the left and right sides of the upper end of the sliding plate, and the inside side of slide is equipped with the side and grinds the area, the side grinds the area left and right sides pivot and upwards extends the connecting collar, and the side grinds the upper end of the belt collar rear side and is equipped with the guide pillar and cooperates No. one spring.

8. An automatic tack welding apparatus according to claim 7, wherein: the lower end of the second clamp plate is provided with a protrusion which is connected with the top end of a second push-pull rod in a rotating mode, the right side of the bottom end of the second clamp plate protrudes and is connected with the output end of a third motor, the front portion and the rear portion of the upper end of the second clamp plate are provided with protrusions, the third push-pull rod is arranged on the rear side of the upper end of the second clamp plate in a protruding mode and is distributed in a bilateral symmetry mode, and the front end of the third push-pull rod is connected with a first push plate in a welding mode.

9. An automatic tack welding apparatus according to claim 8, wherein: no. two push-and-pull rod lower extreme welded connection end slider upper ends, end slider is equipped with two, and two equal bolted connection of end slider are in No. two lead screw upper ends, No. two lead screws are located the inside bottom of main part, and the front and back end of No. two lead screws all supports through the fagging to No. two lead screw front ends connect end motor output.

10. The welding method of an automatic positioning welding device according to any one of claims 1 to 9, characterized by comprising the following steps: