CN211866874U - Welding device - Google Patents

Abstract

The utility model discloses a welding device, which comprises a material moving mechanism, a welding jig and a welding mechanism; the welding jig comprises a bearing clamping assembly and a pressing assembly; the bearing clamping assembly and the pressing assembly are oppositely arranged on a material moving path of the material moving mechanism; the welding mechanism faces the welding jig; the material moving mechanism moves a product to be welded to a station of the welding jig, the pressing assembly presses the bearing and clamping assembly downwards to fix the product to be welded, and the welding mechanism welds the product to be welded. The utility model discloses a welding set simple structure treats the welding product through bearing clamping unit and push down the subassembly and presss from both sides tightly fixedly, and the order is treated the abundant pressfitting of welding product, does not have the gap to make welding mechanism treat the welding product and carry out the accurate welding, guarantee welding quality, simultaneously, avoid welding laser can follow inside the gap gets into the contactor, cause the problem of damage to inside spare part and circuit to take place.

Description

Welding device

Technical Field

The utility model relates to a welding technology field specifically, relates to a welding set.

Background

Need assemble spare part in the product production process, in order to guarantee connection stability, adopt welded mode to carry out the connection between the spare part usually, for example, in the contactor assembling process, need weld upper cover and lower magnetic shell, at present, the mode of main adoption welds for the manual work, but, manual welding speed is slow, and the welded quality is non-uniform, moreover, causes welding personnel to scald easily, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses a welding set, it includes: the material moving mechanism, the welding jig and the welding mechanism; the welding jig comprises a bearing clamping assembly and a pressing assembly; the bearing clamping assembly and the pressing assembly are oppositely arranged on a material moving path of the material moving mechanism; the welding mechanism faces the welding jig; the material moving mechanism moves a product to be welded to a station of the welding jig, the welding jig fixes the product to be welded, and the welding mechanism welds the product to be welded.

According to an embodiment of the present invention, the welding jig includes a bearing clamping assembly and a pressing assembly; the bearing clamping assembly is arranged opposite to the pressing assembly.

According to an embodiment of the present invention, the welding jig further includes a rotating assembly; the bearing and clamping assembly is arranged on the rotating assembly.

According to an embodiment of the present invention, the welding jig further includes a jacking assembly; the jacking assembly penetrates through the bearing and clamping assembly.

According to an embodiment of the present invention, the welding jig further includes a guiding assembly; the rotating assembly and the pressing assembly are arranged on the guide assembly.

According to an embodiment of the present invention, the welding mechanism includes a first position adjusting member and a welding head; the welding head is arranged on the first position adjusting piece.

According to an embodiment of the present invention, the welding mechanism further comprises a second position adjusting member; the second position adjusting piece is arranged on the first position adjusting piece, and the welding head is arranged on the second position adjusting piece.

According to an embodiment of the present invention, the welding mechanism further comprises a rotating platform; the rotary platform is arranged on the second position adjusting piece, and the welding head is arranged on the rotary platform.

According to an embodiment of the present invention, the material moving mechanism includes a moving assembly and a clamping assembly; the clamping assembly is arranged on the moving assembly.

According to an embodiment of the present invention, the clamping assembly includes a clamping driving member and a clamping member; the clamping piece is connected with the output end of the clamping driving piece, and the clamping piece is provided with a groove.

According to an embodiment of the present invention, the welding device further comprises a blowing dust removing mechanism; the blowing dust removal mechanism is arranged on the welding jig.

The utility model has the advantages that: the utility model discloses a welding set simple structure treats the welding product through bearing clamping unit and push down the subassembly and presss from both sides tightly fixedly, and the order is treated the abundant pressfitting of welding product, does not have the gap to make welding mechanism treat the welding product and carry out the accurate welding, guarantee welding quality, simultaneously, avoid welding laser can follow inside the gap gets into the contactor, cause the problem of damage to inside spare part and circuit to take place.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a welding device in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a product to be welded according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a material moving mechanism in an embodiment of the present invention;

fig. 4 is a schematic structural view of the welding jig and the welding mechanism in the embodiment of the present invention;

fig. 5 is a schematic structural view of a welding jig according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a welding jig according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of the jacking assembly, the load-bearing clamping assembly and the rotating assembly in an embodiment of the present invention;

fig. 8 is a partially enlarged view of fig. 7.

Description of reference numerals:

01. an upper cover; 011. a first upper boss; 012. a first lower boss; 02. a lower magnetic shell; 021. a first lower boss; 1. a material moving mechanism; 11. a moving assembly; 110. a material moving bracket; 111. a first moving member; 112. a second moving member; 12. a gripping assembly; 121. a gripping drive; 122. clamping and taking the workpiece; 2. welding a jig; 21. a guide assembly; 211. mounting a plate; 212. a guide bar; 213. a buffer member; 22. a jacking assembly; 221. jacking a driving piece; 222. a jacking rod; 23. a load bearing clamping assembly; 2300. an opening; 231. a chuck; 232. a clamp; 2321. a stair step; 2322. an arc-shaped positioning strip; 233. briquetting; 2331. a convex portion; 234. a guide post; 235. an elastic member; 24. pressing the assembly; 241. compressing the driving member; 242. a compression block; 2421. an empty avoiding groove; 2422. compressing the convex ring; 243. moving the plate; 244. a rotating member; 25. a rotating assembly; 251. a turntable; 252. a rotary drive member; 3. a welding mechanism; 31 a first position adjustment member; 32. a second position adjustment member; 33. welding a head; 4. a blowing dust removal mechanism; 411. an air blowing pipe; 412. and a dust removal pipe.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings as follows:

referring to fig. 1, fig. 1 is a schematic structural diagram of a welding device according to an embodiment of the present invention. As shown in the figure, the welding device of the application comprises a material moving mechanism 1, a welding jig 2, a welding mechanism 3 and a blowing dust removal mechanism 4. The welding jig 2 is arranged on the material moving path of the material moving mechanism 1. The welding mechanism 3 is arranged on one side of the welding jig 2, and the welding mechanism 3 faces the welding jig 2. The blowing dust removal mechanism 4 is arranged on the welding jig 2. During the concrete application, move material mechanism 1 clamp and get and treat that the welding product removes to welding jig 2's station, welding jig 2 treats that the welding product is fixed, then, welding mechanism 3 treats that the welding product welds, and in the welding process, dust removal mechanism 4 of blowing blows protection gas and removes dust, guarantees the welded quality, and after the welding was accomplished, move material mechanism 1 and take off the good product of welding.

In this embodiment, the product to be welded is a contactor. Referring to fig. 2, the contactor includes an upper cover 01 and a lower magnetic shell 02, the upper cover 01 has a first upper boss 011 and a second upper boss 012, the lower magnetic shell 02 has a first lower boss 021, and the second upper boss 012 and the first lower boss 021 are welded during welding so as to connect the two together.

Referring to fig. 3 again, fig. 3 is a schematic structural diagram of the material moving mechanism 1 according to the embodiment of the present invention. As shown in the figure, the material moving mechanism 1 includes a moving assembly 11 and a gripping assembly 12. The moving assembly 11 includes a moving support 110, a first moving member 111 and a second moving member 112. The first moving member 111 is disposed on the material moving support 110. The second moving part 112 is disposed on the first moving part 111. The first moving member 111 and the second moving member 112 are both single-shaft material moving mechanisms 1. The gripping assembly 12 includes a gripping drive 121 and a gripping member 122. The clamping driving member 121 is disposed on the second moving member 112, and the clamping driving member 121 is an air cylinder. The gripping member 122 is connected to the output end of the gripping driving member 121, and the gripping member 122 is a pneumatic gripper. When the welding jig is specifically applied, the first moving part 111 and the second moving part 112 are matched to drive the clamping component 12 to move to the position above a product to be welded, the clamping driving part 121 drives the clamping part 122 to move towards the direction close to the product to be welded, when the clamping part 122 moves to the position consistent with the height of the product to be welded, the clamping part 122 clamps the product to be welded, then, the first moving part 111 and the second moving part 112 are matched to drive the clamping part 122 for clamping the product to be welded to move to the position corresponding to the welding jig 2, the clamping part 122 is loosened to weld the product to be welded, and the welding jig 2 welds the product to be welded.

It should be noted that the clamping member 122 has a groove with the same shape as the second upper protrusion 012 and the first lower protrusion 021, and when the clamping member 122 clamps the product to be welded, the second upper protrusion 012 and the first lower protrusion 021 are both located in the groove, so that the clamping is firm, the relative position between the upper cover 01 and the lower magnetic shell 02 can be ensured, and the dislocation can be avoided.

Referring to fig. 4, fig. 5 and fig. 6, fig. 4 is a schematic structural view illustrating the cooperation between the welding jig 2 and the welding mechanism 3 according to the embodiment of the present invention; fig. 5 is a schematic structural diagram of a welding jig 2 according to an embodiment of the present invention; fig. 6 is a cross-sectional view of the welding jig 2 according to the embodiment of the present invention. As shown in the figures, the welding jig 2 of the present application includes a guiding assembly 21, a jacking assembly 22, a load-bearing clamping assembly 23, and a pressing assembly 24. The jacking assembly 22 is arranged on the guide assembly 21. The pressing assembly 24 is arranged on the guide assembly 21, and the pressing assembly 24 is arranged opposite to the bearing and clamping assembly 23. When the welding device is applied specifically, firstly, the bearing clamping component 23 is opened, the jacking component 22 jacks in place, the material moving mechanism 1 moves a product to be welded to a station of the bearing clamping component 23, the jacking component 22 supports the product to be welded, the bearing clamping component 23 is folded, the product to be welded is fixed, the product to be welded is a combined piece of the upper cover 01 and the lower magnetic shell 02, and the jacking component 22 restores to the initial position; secondly, the pressing component 24 presses the bearing clamping component 23 downwards, and the pressing component 24 and the bearing clamping component 23 are matched to fix a product to be welded; and finally, the welding mechanism 3 welds the product to be welded, after the welding is finished, the pressing component 24 restores to the initial position, the bearing and clamping component 23 is opened again, the jacking component 22 jacks again, the jacking component 22 supports the welded product, and the material moving mechanism 1 takes away the welded product.

Preferably, the welding jig 2 further comprises a rotating assembly 25, and the carrying clamping assembly 23 is disposed on the rotating assembly 25. After the pressing component 24 and the bearing and clamping component 23 are matched to fix a product to be welded, the rotating component 25 drives the bearing and clamping component 23, the pressing component 24 and the product to be welded to rotate, and the welding mechanism 3 welds the product to be welded.

Further, the guide assembly 21 includes two mounting plates 211 and a plurality of guide rods 212. The two mounting plates 211 are arranged oppositely, two ends of the guide rods 212 are arranged on the two mounting plates 211 respectively, the guide rods 212 are located between the two mounting plates 211, and the guide rods 212 are parallel to each other. The pressing assembly 24 slides along the plurality of guide rods 212 when pressed downwards, and the plurality of guide rods 212 guide the pressing assembly 24, so as to ensure the coaxiality between the pressing assembly 24 and the bearing and clamping assembly 23. In this embodiment, the number of the guide rods 212 is four, and of course, the number of the guide rods 212 may be increased or decreased adaptively according to the requirement, which is only one embodiment of the present invention and should not be limited thereto.

Referring to fig. 7 and 8, fig. 7 is a cross-sectional view of the jacking assembly 22, the load-bearing clamping assembly 23 and the rotating assembly 25 in an embodiment of the present invention; fig. 8 is a partially enlarged view of fig. 7. As shown, load-bearing clamping assembly 23 includes chuck 231, clamp 232, and press block 233. The chuck 231 is provided to the mounting plate 211. The jig 232 is provided to the chuck 231. The pressing block 233 is connected with a guide post 234, and the guide post 234 is inserted into the jig 232. One end of compact 233 adjacent to clamp 232 has an inwardly projecting boss 2331. In this embodiment, the chuck 231 is a three-jaw chuck 231, and correspondingly, the number of the clamps 232 and the pressing blocks 233 is also three, the three clamps 232 are respectively disposed on the three jaws of the chuck 231, and the three pressing blocks 233 are respectively disposed on the three clamps 232. When the welding fixture is specifically applied, firstly, the chuck 231 drives the clamp 232 and the pressing block 233 to open, the jacking assembly 22 jacks in place, the material moving mechanism 1 moves a product to be welded into an accommodating cavity formed among the three clamps 232, the jacking assembly 22 supports the lower magnetic shell 02 of the product to be welded, then, the chuck 231 drives the clamp 232 and the pressing block 233 to fold, the first lower boss 021 is clamped on the step 23231 on the inner side wall of the clamp 232, in the process that the chuck 231 drives the clamp 232 and the pressing block 233 to fold, the arc positioning strips 2322 arranged at one end of the clamp 232 close to the pressing block 233 position the second upper boss 012 of the upper cover 01 and the first lower boss 021 of the lower magnetic shell 02, the number of the arc positioning strips 2322 corresponds to the number of the clamps 232 and is also three, when the chuck 231 folds, the three arc positioning strips 2322 are driven to surround to form a circular ring, the inner side wall of the circular ring is abutted to the second upper boss 012 and the outer side wall of the, therefore, the upper cover 01 and the lower magnetic shell 02 are positioned, and the coaxiality of the upper cover 01 and the lower magnetic shell 02 is guaranteed.

Preferably, the load-bearing clamping assembly 23 further includes an elastic member 235, the elastic member 235 is a spring, the elastic member 235 is sleeved on the guiding column 234, one end of the elastic member 235 abuts against the clamp 232, and the other end of the elastic member 235 abuts against the pressing block 233. When the pressing block 233 is pressed down by the pressing component 24, the elastic member 235 plays a role of buffering, and the second upper boss 012 of the upper cover 01 is prevented from being damaged due to the overlarge pressure of the pressing component 24.

Further, the jacking assembly 22 includes a jacking driving member 221 and a jacking rod 222. The jacking driver 221 is disposed on the mounting plate 211, and the jacking driver 221 is a motor. The lifting rod 222 sequentially penetrates through the lifting driving member 221, the turntable 251 and the chuck 231, and the lifting rod 222 is connected to an output end of the lifting driving member 221. When the method is applied specifically, the jacking driving piece 221 generates a driving force to drive the jacking rod 222 to jack up or lower down, when the material moving mechanism 1 moves a product to be welded to a station of the bearing and clamping assembly 23, the jacking driving piece 221 drives the jacking rod 222 to jack up in place, and the product to be welded is supported and positioned, so that the first lower boss 021 of the lower magnetic shell 02 corresponds to the step 23231 on the inner side wall of the clamp 232, and the first lower boss 021 is clamped on the step 23231 after the bearing and clamping assembly 23 is closed; after the welding is completed, the jacking driving member 221 drives the jacking rod 222 to jack up again, so as to jack up the welded product, so that the material moving mechanism 1 can perform blanking on the welded product.

Further, the hold-down assembly 24 includes a hold-down driver 241 and a hold-down block 242. The pressing driving element 241 is disposed on the mounting plate 211, the pressing driving element 241 is an air cylinder, an output end of the pressing driving element 241 is connected to a moving plate 243, and the moving plate 243 is sleeved on the guide rod 212 through a shaft sleeve. The pressing block 242 is provided to the moving plate 243. After bearing and clamping assembly 23 fixes the product to be welded, compress tightly driving piece 241 and produce driving piece drive compact heap 242 and push down, compact heap 242 pushes down briquetting 233 for boss 2331 of briquetting 233 compresses tightly boss 012 on the second of upper cover 01, guarantee the reliability of compressing tightly of boss 012 on the second and first boss 021, simultaneously, this kind of mode of compressing tightly compares in current mode of compressing tightly, does not press the ceramic face of first boss 011, guarantees product quality.

Preferably, the pressing block 242 has a clearance groove 2421, and when the pressing block 242 presses the pressing block 233 downwards, the parts of the protruding portion of the upper cover 01 are located in the clearance groove 2421, so that the parts of the protruding portion of the upper cover 01 are prevented from being damaged when the pressing block 242 presses downwards.

Preferably, one end of the pressing block 242, which is far away from the moving plate 243, is provided with a pressing convex ring 2422, correspondingly, the pressing block 233 is provided with a groove, the shape of the groove is matched with the shape of the pressing convex ring 2422, and when the pressing block 242 presses the pressing block 233 downwards, the pressing convex ring 2422 is inserted into the groove, so that the pressing block 242 and the pressing block 233 are coaxial, and deviation is avoided.

Preferably, the hold down assembly 24 also includes a rotation member 244. The rotating part 244 is arranged in the pressing block 242, and the rotating part 244 is connected with the output end of the pressing driving part 241, in this embodiment, the rotating part 244 is a roller bearing, and the roller bearing has the advantages of small torque required for starting, high rotation precision, convenience in selection and the like, so that when the rotating component 25 drives the bearing and clamping component 23 to rotate, the pressing block 242 and the bearing and clamping component 23 are ensured to synchronously rotate, and the force for pressing the pressing block 233 down by the pressing block 242 is ensured to be unchanged.

Preferably, the guide assembly 21 further includes a buffer member 213, the buffer member 213 is a buffer, the buffer member 213 is disposed on the guide rod 212 and the mounting plate 211, and when the pressing driving member 241 drives the pressing block 242 to approach or leave the bearing and clamping assembly 23, the buffer member 213 buffers the moving plate 243, so as to avoid the situation that the driving force of the pressing driving member 241 is too large, the pressing block 242 collides with the pressing block 233 to be damaged, or the moving plate 243 collides with the mounting plate 211 to be damaged.

Specifically, the rotating assembly 25 includes a turntable 251 and a rotary driver 252. The turntable 251 is rotatably disposed on the mounting plate 211. The rotary driving element 252 is disposed on the mounting plate 211, an output end of the rotary driving element 252 is connected to the turntable 251, and the rotary driving element 252 is a motor. During specific application, the rotary driving member 252 generates a driving force to drive the rotary table 251 to rotate, so as to drive the bearing and clamping assembly 23 arranged on the rotary table 251 to rotate, and further drive the bearing and clamping assembly 23 and a product to be welded fixed by the pressing assembly 24 to rotate, in the rotating process, the welding head 33 of the welding mechanism 3 extends into the opening 2300 corresponding to the clamp 232 and the pressing block 233 to preweld prewelding points of the product, in the embodiment, the number of the prewelding points is nine, and correspondingly, the number of the openings 2300 of the clamp 232 and the pressing block 233 is also nine; of course, the number of the pre-welding points can be adaptively increased or decreased according to actual requirements, and the above is only one embodiment of the present invention, and should not be limited thereto.

Referring back to fig. 4, the welding mechanism 3 includes a first position adjuster 31, a second position adjuster 32, a rotary table (not shown), and a welding head 33. The first position adjuster 31 is disposed on one side of the welding jig 2. The second position regulating member 32 is provided to the first position regulating member 31. The rotary platform is provided to the second position adjustment member 32. The bonding head 33 is provided on the rotary table. The first position adjuster 31 can move the welding head 33 in the horizontal direction to control the focal length of the welding head 33. The second position adjusting member 32 can drive the welding head 33 to move in a vertical direction to control the welding head 33 to maintain a consistent height with the welding point of the product to be welded. In this embodiment, the first position adjusting member 31 and the second position adjusting member 32 may be single-axis manipulators, or may be adjusting handwheels to drive a lead screw to rotate so as to drive a sliding plate to slide, thereby adjusting the position of the butt joint 33. The rotary platform can rotate the welding head 33 to control the pitch angle of the welding head 33. After the welding jig 2 fixes the product to be welded, the welding head 33 emits laser to weld the product to be welded. Preferably, the welding head 33 is provided with a coaxial CCD monitoring function to ensure the accuracy of the welding position.

Referring back to fig. 4, the air blowing and dust removing mechanism 4 includes an air blowing pipe 41 and a dust removing pipe 42. The blowing pipe 41 and the dust removing pipe 42 are provided to the guide rod 212. The outlet of the gas blow pipe 41 faces the welding location. The air inlet of the dust removal tube 42 faces the welding location. During welding, external gas supply equipment connected with the gas blowing pipe 41 provides shielding gas, and the gas blowing pipe 41 blows the shielding gas to a welding position so as to ensure the welding quality; and an external air suction device connected with the dust removal pipe 42 sucks air to suck away welding slag generated in the welding process, so that the cleanness of a product is ensured.

When the welding device is used, the material moving mechanism 1, the welding jig 2, the welding mechanism 3 and the air blowing and dust removing mechanism 4 are all electrically connected with a control system of the welding device, and the control system of the welding device controls the material moving mechanism 1, the welding jig 2, the welding mechanism 3 and the air blowing and dust removing mechanism 4 to be actuated, so that the automatic control effect of the welding device is achieved. Of course, the control system of the welding device may be any one of an industrial personal computer, a PLC or a single chip microcomputer, which is not described herein again.

To sum up, in the utility model discloses in one or more embodiments, the utility model discloses a welding set simple structure treats through bearing clamping unit and push down the subassembly that the welding product presss from both sides tightly fixedly, makes and treats the abundant pressfitting of welding product, does not have the gap to make welding mechanism treat the welding product and carry out the accurate welding, guarantee welding quality, simultaneously, avoid welding laser can follow inside gap department entering contactor, cause the problem of damage to inside spare part and circuit to take place.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made by the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A welding device, comprising: the material moving mechanism (1), the welding jig (2) and the welding mechanism (3); the welding jig (2) comprises a bearing clamping assembly (23) and a pressing assembly (24); the bearing clamping assembly (23) and the pressing assembly (24) are arranged on a material moving path of the material moving mechanism (1) oppositely; the welding mechanism (3) faces the welding jig (2);

the material moving mechanism (1) moves a product to be welded to a station of the welding jig (2), the pressing component (24) presses the bearing and clamping component (23) downwards to fix the product to be welded, and the welding mechanism (3) welds the product to be welded.

2. Welding device according to claim 1, characterized in that said welding jig (2) further comprises a rotating assembly (25); the bearing and clamping assembly (23) is arranged on the rotating assembly (25).

3. Welding device according to claim 2, characterized in that said welding jig (2) further comprises a jacking assembly (22); the jacking assembly (22) penetrates through the bearing and clamping assembly (23).

4. Welding device according to claim 3, characterized in that said welding jig (2) further comprises a guide assembly (21); the rotating assembly (25) and the pressing assembly (24) are arranged on the guide assembly (21).

5. Welding device according to claim 1, characterized in that the welding mechanism (3) comprises a first position adjuster (31) and a welding head (33); the welding head (33) is provided to the first position adjusting member (31).

6. Welding device according to claim 5, characterized in that the welding mechanism (3) further comprises a second position adjustment member (32); the second position adjusting member (32) is provided to the first position adjusting member (31), and the welding head (33) is provided to the second position adjusting member (32).

7. Welding device according to claim 6, characterized in that said welding means (3) further comprise a rotating platform; the rotary platform is arranged on the second position adjusting piece (32), and the welding head (33) is arranged on the rotary platform.

8. Welding device according to claim 1, characterized in that said transfer mechanism (1) comprises a moving assembly (11) and a gripping assembly (12); the clamping assembly (12) is arranged on the moving assembly (11).

9. Welding device according to claim 8, wherein said gripping assembly (12) comprises a gripping drive (121) and a gripping member (122); the clamping piece (122) is connected with the output end of the clamping driving piece (121), and the clamping piece (122) is provided with a groove.

10. Welding device according to claim 1, characterized in that it further comprises a blowing dust removal mechanism (4); the blowing dust removal mechanism (4) is arranged on the welding jig (2).

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