CN218904082U

CN218904082U - Mechanical electric welding device capable of automatically turning over

Info

Publication number: CN218904082U
Application number: CN202223254867.9U
Authority: CN
Inventors: 庞家科
Original assignee: Guangxi Nanye Machinery Equipment Co ltd
Current assignee: Guangxi Nanye Machinery Equipment Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-25
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of mechanical welding equipment, in particular to a mechanical electric welding device capable of automatically turning over. The welding gun is fixedly mounted at the bottom end of the output rod of the first cylinder, two sides of the U-shaped supporting frame are respectively provided with a rotating shaft in a rotating mode, and two ends, close to each other, of the rotating shafts are respectively extended into the U-shaped supporting frame. The beneficial effects of the utility model are as follows: through simple locking and dismouting mechanism to can carry out effective locking to tilting mechanism, improve the stability of mechanism, can prevent effectively that tilting mechanism from taking place to rotate, make things convenient for welder to carry out solder joint location and welding operation, be convenient for carry out quick replacement to the clamping part simultaneously, and then can carry out firm centre gripping to different grade type mechanical parts, bring very big facility for mechanical welding work.

Description

Mechanical electric welding device capable of automatically turning over

Technical Field

The utility model relates to the technical field of mechanical welding equipment, in particular to a mechanical electric welding device capable of automatically turning over.

Background

Electric welding is a common name of welding rod electric arc, and the basic working principle of electric welding is that the electric welding is realized by using the common 220V voltage or 380V industrial electricity, the voltage is reduced by a pressure reducer in the electric welding machine, the current is enhanced, and the electric energy generates huge electric arc heat to melt the welding rod and steel, and the welding rod is melted to ensure that the fusion property between the steel is higher. The welding method mainly comprises hand arc welding, submerged arc welding, tungsten electrode gas shielded arc welding, plasma arc welding, consumable electrode gas shielded welding and the like, is widely applied to the fields of machinery, automobiles, ship manufacturing and the like, particularly the field of machinery manufacturing, is various in the existing mechanical electric welding device, is an important one, and can realize automatic turn-over after one-side welding is finished, so that the welding operation of the other-side welding is convenient, manual participation is reduced, and the mechanical manufacturing efficiency is effectively improved.

However, the existing automatic turn-over mechanical electric welding device generally does not have a turn-over locking mechanism, the turn-over mechanism is easy to rotate when the heavier asymmetric parts are fixed, the stability is poor, the positioning of a welding gun is not facilitated, the structure of the clamping part is relatively fixed, the clamping parts of different types are inconvenient to quickly replace, the mechanical parts of different shapes are difficult to firmly clamp, and a lot of troubles are brought to mechanical welding work.

Disclosure of Invention

In view of the above problems, an object of the present utility model is to: the utility model provides a but mechanical electric welding device of automatic turn-over solves current mechanical electric welding device of automatic turn-over generally does not have upset locking mechanism, and tilting mechanism takes place to rotate easily when fixed heavier asymmetric part, and stability is relatively poor, is unfavorable for welder's location, and clamping part structure is comparatively fixed, is inconvenient for quick replacement different grade type's clamping part, hardly carries out firm centre gripping to different shape mechanical parts, has brought a lot of trouble problems for the mechanical welding work.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a but mechanical electric welding device of automatic turn-over, includes U-shaped braced frame, the top fixed mounting of U-shaped braced frame has locating component, fixed mounting has first cylinder on the locating component, the bottom fixed mounting of first cylinder output rod has welder, the pivot is installed in all rotating of the both sides of U-shaped braced frame, two the one end that the pivot is close to each other all extends to in the U-shaped braced frame, two the one end that the pivot is kept away from each other respectively fixed mounting has gear and electrical cylinder, one side fixed mounting of U-shaped braced frame has the second cylinder, the top welding of second cylinder output rod has the rack, rack and gear engagement keep away from the cover is equipped with the disc in the pivot of gear, one side welding that the gear was kept away from to the U-shaped braced frame has first ring gear, one side welding that the disc is close to the gear has second ring gear, first ring gear and second ring gear are kept away from the pivot of gear run through first ring gear and second ring gear, two the top of the gear is kept away from the rectangle logical groove that runs through that has the rectangle lead to have, rectangle lead to one end that the slider has one end that the rectangle lead to slide to two and run through, two and run through to the slider, two and two slide grooves run through, two and one side that the slider and two lead to slide to each other and slide to have and two side of slide bars to run through, and one side and the slider to run through and the slider to the slider and the one side and the slider to run through.

The beneficial effects of the utility model are as follows: through such setting to can lock tilting mechanism after mechanical part upset, can effectively improve the stability of structure, thereby avoid appearing tilting mechanism and take place pivoted problem, and then be convenient for welder carries out solder joint location and welding operation to mechanical part.

To facilitate replacement of different types of clamping members:

as a further improvement of the above technical scheme: the sliding block further comprises a first rectangular groove, the first rectangular groove is formed in one end of the sliding block, which is located outside the corresponding sliding groove, a rectangular block is mounted in the first rectangular groove in a sliding mode, the rectangular block is welded with the corresponding clamping plate, a second rectangular groove is formed in one side of the rectangular block, a first tooth block is welded on the inner wall of the bottom of the second rectangular groove, a rectangular through hole is formed in one side of the inner wall of the first rectangular groove in a penetrating mode, a second tooth block is mounted in the rectangular through hole in a sliding mode, the second tooth block is connected with the inner wall of the corresponding second rectangular groove in a sliding mode, the second tooth block is meshed with the corresponding first tooth block, a screw rod is mounted on one side, which is far away from the corresponding first tooth block, of the second tooth block in a rotating mode, one end of the screw rod extends out of the corresponding rectangular through hole, an inner thread cylinder is sleeved on the screw rod, and the inner thread cylinder is welded with the outer wall of the corresponding sliding block.

The beneficial effects of this improvement are: through such setting to be convenient for carry out quick assembly disassembly to clamping part, the clamping part of convenient change different grade type, the convenience is carried out the centre gripping to different mechanical parts, has brought very big facility for mechanical welding work.

In order to make the rotation smoother:

as a further improvement of the above technical scheme: the U-shaped supporting frame comprises a U-shaped supporting frame body, wherein the inner walls of the two sides of the U-shaped supporting frame body are respectively penetrated with a first through hole, the rotating shaft rotates to penetrate through the corresponding first through holes, a first bearing is fixedly installed in each first through hole, and the inner ring of each first bearing is fixedly sleeved on the rotating shaft.

The beneficial effects of this improvement are: through setting up first bearing to can carry out effective spacing to the pivot, make its rotation more smooth and easy.

To prevent rack rattling:

as a further improvement of the above technical scheme: and one side of the U-shaped supporting frame is provided with a limiting chute, a limiting rod is slidably arranged in the limiting chute, and one end of the limiting rod extends out of the limiting chute and is welded with one side of the rack.

The beneficial effects of this improvement are: through setting up spacing groove and gag lever post to can effectively avoid the rack lift in-process to appear rocking the problem.

In order to facilitate the movement of the slide bar driven by the output rod of the electric cylinder:

as a further improvement of the above technical scheme: the inner wall of one side of the rectangular through groove far away from the gear is penetrated with a second through hole, and the output rod of the electric cylinder penetrates through the second through hole in a sliding manner.

The beneficial effects of this improvement are: through setting up the second through-hole to the output pole of the electric jar of being convenient for drives the slide bar and removes.

In order to prevent the bi-directional screw rod from moving:

as a further improvement of the above technical scheme: the two-way screw rod is characterized in that third through holes are formed in the inner walls of the top and the bottom of the sliding groove in a penetrating mode, the two-way screw rod penetrates through the corresponding two third through holes in a rotating mode, a second bearing is fixedly installed in the third through holes, an inner ring of the second bearing is fixedly sleeved on the two-way screw rod, a threaded through hole is formed in the sliding block in a penetrating mode, and threads of the two-way screw rod penetrate through the threaded through hole.

The beneficial effects of this improvement are: through setting up third through-hole and second bearing to can carry out effective spacing to two-way lead screw, make it can only rotate.

In order to facilitate the second tooth block to move driven by the screw rod:

as a further improvement of the above technical scheme: the second tooth piece is rectangular structure, the circular slot has been seted up to one side that the second tooth piece kept away from corresponding first tooth piece, the one end of lead screw extends to in the circular slot, fixed mounting has the third bearing in the circular slot, the fixed cover of inner circle of third bearing is established on the lead screw.

The beneficial effects of this improvement are: through setting up circular slot and third bearing to can make lead screw and second tooth piece keep rotating to be connected, and then make things convenient for the lead screw to drive the second tooth piece and remove.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of a perspective assembly of a disc and a second ring gear of the present utility model;

FIG. 4 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 5 is an enlarged schematic view of the portion B of FIG. 1 according to the present utility model;

FIG. 6 is an enlarged schematic view of the portion C of FIG. 1 according to the present utility model;

fig. 7 is an enlarged schematic view of the portion D of fig. 6 according to the present utility model.

In the figure: 1. a U-shaped supporting frame; 2. a positioning assembly; 3. a first cylinder; 4. a welding gun; 5. a rotating shaft; 6. a gear; 7. a second cylinder; 8. a rack; 9. a disc; 10. a first ring gear; 11. a second ring gear; 12. rectangular through grooves; 13. a slide bar; 14. an electric cylinder; 15. a turntable; 16. a chute; 17. a slide block; 18. a clamping plate; 19. a two-way screw rod; 20. a first rectangular recess; 21. rectangular blocks; 22. a second rectangular groove; 23. a first tooth block; 24. rectangular through holes; 25. a second tooth block; 26. an internal thread cylinder; 27. and a screw rod.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

Example 1:

as shown in fig. 1-6, an automatic turnover mechanical electric welding device comprises a U-shaped supporting frame 1, wherein a positioning component 2 is fixedly arranged at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly arranged on the positioning component 2, a welding gun 4 is fixedly arranged at the bottom end of an output rod of the first air cylinder 3, rotating shafts 5 are rotatably arranged at two sides of the U-shaped supporting frame 1, one ends of the two rotating shafts 5, which are close to each other, extend into the U-shaped supporting frame 1, a gear 6 and an electric cylinder 14 are fixedly arranged at one ends of the two rotating shafts 5, which are far away from each other, respectively, a second air cylinder 7 is fixedly arranged at one side of the U-shaped supporting frame 1, a rack 8 is welded at the top end of an output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disc 9 is sleeved on the rotating shaft 5, a first annular gear 10 is welded at one side of the U-shaped supporting frame 1, which is far from the gear 6, the disc 9 is welded with a second ring gear 11 at one side close to the gear 6, the first ring gear 10 and the second ring gear 11 are matched, a rotating shaft 5 far away from the gear 6 penetrates through the first ring gear 10 and the second ring gear 11, a rectangular through groove 12 penetrates through the top of the rotating shaft 5 far away from the gear 6, a sliding rod 13 penetrates through the rectangular through groove 12 in a sliding mode, an output rod of the electric cylinder 14 extends into the rectangular through groove 12 and is welded with the sliding rod 13, one ends, close to each other, of the rotating shafts 5 are welded with a rotary disc 15, one sides, close to each other, of the rotary discs 15 are provided with sliding grooves 16, a sliding block 17 is installed in the sliding groove 16 in a sliding mode, one end of the sliding block 17 extends out of the sliding groove 16 and is provided with a clamping plate 18, a bidirectional screw rod 19 penetrates through the rotary disc 15 in a rotating mode, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode.

Example 2:

as shown in fig. 6-7, as a further optimization of the above embodiment, an automatic turn-over mechanical electric welding device comprises a U-shaped supporting frame 1, a positioning component 2 is fixedly installed at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly installed on the positioning component 2, a welding gun 4 is fixedly installed at the bottom end of an output rod of the first air cylinder 3, rotating shafts 5 are rotatably installed at two sides of the U-shaped supporting frame 1, one ends, close to each other, of the two rotating shafts 5 extend into the U-shaped supporting frame 1, a gear 6 and an electric cylinder 14 are fixedly installed at one ends, far from each other, of the two rotating shafts 5, a second air cylinder 7 is fixedly installed at one side of the U-shaped supporting frame 1, a rack 8 is welded at the top end of an output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disc 9 is sleeved on the rotating shaft 5 far from the gear 6 in a sliding manner, the U-shaped supporting frame 1 is welded with a first ring gear 10 on one side far away from the gear 6, a second ring gear 11 is welded on one side of the disc 9 close to the gear 6, the first ring gear 10 and the second ring gear 11 are matched, a rotating shaft 5 far away from the gear 6 penetrates through the first ring gear 10 and the second ring gear 11, a rectangular through groove 12 penetrates through the top of the rotating shaft 5 far away from the gear 6, a sliding rod 13 penetrates through the rectangular through groove 12 in a sliding way, an output rod of the electric cylinder 14 extends into the rectangular through groove 12 and is welded with the sliding rod 13, rotating discs 15 are welded on one ends, close to each other, of the rotating shafts 5, of the two rotating discs 15, sliding grooves 16 are formed on one sides, close to each other, of the rotating discs 16 are internally provided with sliding blocks 17, one ends of the sliding blocks 17 extend out of the sliding grooves 16 and are provided with clamping plates 18, a bidirectional screw rod 19 penetrates through the rotating grooves 15 in a sliding way, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode. The sliding block 17 further comprises a first rectangular groove 20, the first rectangular groove 20 is formed in one end of the sliding block 17, which is located outside the corresponding sliding groove 16, a rectangular block 21 is slidably mounted in the first rectangular groove 20, the rectangular block 21 is welded with the corresponding clamping plate 18, a second rectangular groove 22 is formed in one side of the rectangular block 21, a first tooth block 23 is welded on the inner wall of the bottom of the second rectangular groove 22, a rectangular through hole 24 is formed in the inner wall of one side of the first rectangular groove 20 in a penetrating mode, a second tooth block 25 is slidably mounted in the rectangular through hole 24, the second tooth block 25 is meshed with the corresponding inner wall of the second rectangular groove 22, a screw rod 27 is rotatably mounted on one side, which is far away from the corresponding first tooth block 23, of the second tooth block 25, one end of the screw rod 27 extends out of the corresponding rectangular through hole 24, an inner thread cylinder 26 is sleeved on the screw rod 27, and the inner thread cylinder 26 is welded with the outer wall of the corresponding sliding block 17.

Example 3:

as shown in fig. 1, as a further optimization of the above embodiment, a mechanical electric welding device capable of automatically turning over comprises a U-shaped supporting frame 1, a positioning component 2 is fixedly installed at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly installed on the positioning component 2, a welding gun 4 is fixedly installed at the bottom end of an output rod of the first air cylinder 3, a rotating shaft 5 is rotatably installed at two sides of the U-shaped supporting frame 1, one ends of the two rotating shafts 5, which are close to each other, extend into the U-shaped supporting frame 1, one ends, which are far away from each other, of the rotating shafts 5 are respectively fixedly installed with a gear 6 and an electric cylinder 14, one side of the U-shaped supporting frame 1 is fixedly installed with a second air cylinder 7, a rack 8 is welded at the top of an output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disk 9 is sleeved on the rotating shaft 5, a first ring gear 10 is welded on one side, which is far away from the gear 6, a second ring gear 11 is welded on one side of the disk 9, which is close to the gear 6, one side of the first ring gear 10 is matched with the first ring gear 10, one end, which is far from the first ring gear 11 and one side of the second ring gear 10 is far from the second ring gear 10, which is far from the first ring gear 11 and the second ring gear 16 are mutually extended into a rectangular groove 16, and penetrates through a sliding groove 16, which is penetrated by a sliding groove 16, and penetrates through a sliding groove 16, and runs through a sliding groove 16, and a sliding groove 16, which is formed in the sliding groove 16, and runs through a sliding groove 16, and a sliding groove 16, which is extended through a sliding groove 16, and a sliding groove, which penetrates through a sliding groove 16, and a sliding groove 15, and is respectively, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode. The U-shaped supporting frame comprises a U-shaped supporting frame body, wherein first through holes are formed in the inner walls of the two sides of the U-shaped supporting frame body 1 in a penetrating mode, a rotating shaft 5 penetrates through the corresponding first through holes in a rotating mode, a first bearing is fixedly installed in the first through holes, and an inner ring of the first bearing is fixedly sleeved on the rotating shaft 5.

Example 4:

as shown in fig. 4, as a further optimization of the above embodiment, an automatic turn-over mechanical electric welding device comprises a U-shaped supporting frame 1, a positioning component 2 is fixedly installed at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly installed on the positioning component 2, a welding gun 4 is fixedly installed at the bottom end of an output rod of the first air cylinder 3, rotating shafts 5 are rotatably installed at two sides of the U-shaped supporting frame 1, one ends of the two rotating shafts 5, which are close to each other, extend into the U-shaped supporting frame 1, a gear 6 and an electric cylinder 14 are fixedly installed at one ends of the two rotating shafts 5, which are far away from each other, respectively, a second air cylinder 7 is fixedly installed at one side of the U-shaped supporting frame 1, a rack 8 is welded at the top end of the output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disc 9 is sleeved on the rotating shaft 5, which is far from the gear 6, the U-shaped supporting frame 1 is welded with a first ring gear 10 on one side far away from the gear 6, a second ring gear 11 is welded on one side of the disc 9 close to the gear 6, the first ring gear 10 and the second ring gear 11 are matched, a rotating shaft 5 far away from the gear 6 penetrates through the first ring gear 10 and the second ring gear 11, a rectangular through groove 12 penetrates through the top of the rotating shaft 5 far away from the gear 6, a sliding rod 13 penetrates through the rectangular through groove 12 in a sliding way, an output rod of the electric cylinder 14 extends into the rectangular through groove 12 and is welded with the sliding rod 13, rotating discs 15 are welded on one ends, close to each other, of the rotating shafts 5, of the two rotating discs 15, sliding grooves 16 are formed on one sides, close to each other, of the rotating discs 16 are internally provided with sliding blocks 17, one ends of the sliding blocks 17 extend out of the sliding grooves 16 and are provided with clamping plates 18, a bidirectional screw rod 19 penetrates through the rotating grooves 15 in a sliding way, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode. A limit chute is formed in one side of the U-shaped support frame 1, a limit rod is slidably mounted in the limit chute, and one end of the limit rod extends out of the limit chute and is welded with one side of the rack 8.

Example 5:

as shown in figure 5, as a further optimization of the embodiment, the automatic turnover mechanical electric welding device comprises a U-shaped supporting frame 1, wherein a positioning assembly 2 is fixedly arranged at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly arranged on the positioning assembly 2, a welding gun 4 is fixedly arranged at the bottom end of an output rod of the first air cylinder 3, rotating shafts 5 are rotatably arranged at two sides of the U-shaped supporting frame 1, one ends, close to each other, of the two rotating shafts 5 extend into the U-shaped supporting frame 1, a gear 6 and an electric cylinder 14 are respectively fixedly arranged at one ends, far away from each other, of the two rotating shafts 5, a second air cylinder 7 is fixedly arranged at one side of the U-shaped supporting frame 1, a rack 8 is welded at the top end of the output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disc 9 is sleeved on the rotating shaft 5 far away from the gear 6 in a sliding manner, the U-shaped supporting frame 1 is welded with a first ring gear 10 on one side far away from the gear 6, a second ring gear 11 is welded on one side of the disc 9 close to the gear 6, the first ring gear 10 and the second ring gear 11 are matched, a rotating shaft 5 far away from the gear 6 penetrates through the first ring gear 10 and the second ring gear 11, a rectangular through groove 12 penetrates through the top of the rotating shaft 5 far away from the gear 6, a sliding rod 13 penetrates through the rectangular through groove 12 in a sliding way, an output rod of the electric cylinder 14 extends into the rectangular through groove 12 and is welded with the sliding rod 13, rotating discs 15 are welded on one ends, close to each other, of the rotating shafts 5, of the two rotating discs 15, sliding grooves 16 are formed on one sides, close to each other, of the rotating discs 16 are internally provided with sliding blocks 17, one ends of the sliding blocks 17 extend out of the sliding grooves 16 and are provided with clamping plates 18, a bidirectional screw rod 19 penetrates through the rotating grooves 15 in a sliding way, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode. The inner wall of one side of the rectangular through groove 12, which is far away from the gear 6, is penetrated with a second through hole, and the output rod of the electric cylinder 14 slides to penetrate through the second through hole.

Example 6:

as shown in fig. 6, as a further optimization of the above embodiment, an automatic turn-over mechanical electric welding device comprises a U-shaped supporting frame 1, a positioning component 2 is fixedly installed at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly installed on the positioning component 2, a welding gun 4 is fixedly installed at the bottom end of an output rod of the first air cylinder 3, rotating shafts 5 are rotatably installed at two sides of the U-shaped supporting frame 1, one ends of the two rotating shafts 5, which are close to each other, extend into the U-shaped supporting frame 1, a gear 6 and an electric cylinder 14 are fixedly installed at one ends of the two rotating shafts 5, which are far away from each other, respectively, a second air cylinder 7 is fixedly installed at one side of the U-shaped supporting frame 1, a rack 8 is welded at the top end of the output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disc 9 is sleeved on the rotating shaft 5, which is far from the gear 6, the U-shaped supporting frame 1 is welded with a first ring gear 10 on one side far away from the gear 6, a second ring gear 11 is welded on one side of the disc 9 close to the gear 6, the first ring gear 10 and the second ring gear 11 are matched, a rotating shaft 5 far away from the gear 6 penetrates through the first ring gear 10 and the second ring gear 11, a rectangular through groove 12 penetrates through the top of the rotating shaft 5 far away from the gear 6, a sliding rod 13 penetrates through the rectangular through groove 12 in a sliding way, an output rod of the electric cylinder 14 extends into the rectangular through groove 12 and is welded with the sliding rod 13, rotating discs 15 are welded on one ends, close to each other, of the rotating shafts 5, of the two rotating discs 15, sliding grooves 16 are formed on one sides, close to each other, of the rotating discs 16 are internally provided with sliding blocks 17, one ends of the sliding blocks 17 extend out of the sliding grooves 16 and are provided with clamping plates 18, a bidirectional screw rod 19 penetrates through the rotating grooves 15 in a sliding way, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode. Third through holes are formed in the inner walls of the top and the bottom of the sliding groove 16 in a penetrating mode, the two-way screw rod 19 penetrates through the corresponding two third through holes in a rotating mode, a second bearing is fixedly installed in the third through holes, an inner ring of the second bearing is fixedly sleeved on the two-way screw rod 19, a threaded through hole penetrates through the sliding block 17, and threads of the two-way screw rod 19 penetrate through the threaded through hole.

Example 7:

as shown in fig. 7, as a further optimization of the above embodiment, an automatic turn-over mechanical electric welding device comprises a U-shaped supporting frame 1, a positioning component 2 is fixedly installed at the top of the U-shaped supporting frame 1, a first air cylinder 3 is fixedly installed on the positioning component 2, a welding gun 4 is fixedly installed at the bottom end of an output rod of the first air cylinder 3, rotating shafts 5 are rotatably installed at two sides of the U-shaped supporting frame 1, one ends of the two rotating shafts 5, which are close to each other, extend into the U-shaped supporting frame 1, a gear 6 and an electric cylinder 14 are fixedly installed at one ends of the two rotating shafts 5, which are far away from each other, respectively, a second air cylinder 7 is fixedly installed at one side of the U-shaped supporting frame 1, a rack 8 is welded at the top end of the output rod of the second air cylinder 7, the rack 8 is meshed with the gear 6, a disc 9 is sleeved on the rotating shaft 5, which is far from the gear 6, the U-shaped supporting frame 1 is welded with a first ring gear 10 on one side far away from the gear 6, a second ring gear 11 is welded on one side of the disc 9 close to the gear 6, the first ring gear 10 and the second ring gear 11 are matched, a rotating shaft 5 far away from the gear 6 penetrates through the first ring gear 10 and the second ring gear 11, a rectangular through groove 12 penetrates through the top of the rotating shaft 5 far away from the gear 6, a sliding rod 13 penetrates through the rectangular through groove 12 in a sliding way, an output rod of the electric cylinder 14 extends into the rectangular through groove 12 and is welded with the sliding rod 13, rotating discs 15 are welded on one ends, close to each other, of the rotating shafts 5, of the two rotating discs 15, sliding grooves 16 are formed on one sides, close to each other, of the rotating discs 16 are internally provided with sliding blocks 17, one ends of the sliding blocks 17 extend out of the sliding grooves 16 and are provided with clamping plates 18, a bidirectional screw rod 19 penetrates through the rotating grooves 15 in a sliding way, the two-way screw rod 19 penetrates through the corresponding two sliding blocks 17 in a threaded mode. The sliding block 17 further comprises a first rectangular groove 20, the first rectangular groove 20 is formed in one end of the sliding block 17, which is located outside the corresponding sliding groove 16, a rectangular block 21 is slidably mounted in the first rectangular groove 20, the rectangular block 21 is welded with the corresponding clamping plate 18, a second rectangular groove 22 is formed in one side of the rectangular block 21, a first tooth block 23 is welded on the inner wall of the bottom of the second rectangular groove 22, a rectangular through hole 24 is formed in the inner wall of one side of the first rectangular groove 20 in a penetrating mode, a second tooth block 25 is slidably mounted in the rectangular through hole 24, the second tooth block 25 is meshed with the corresponding inner wall of the second rectangular groove 22, a screw rod 27 is rotatably mounted on one side, which is far away from the corresponding first tooth block 23, of the second tooth block 25, one end of the screw rod 27 extends out of the corresponding rectangular through hole 24, an inner thread cylinder 26 is sleeved on the screw rod 27, and the inner thread cylinder 26 is welded with the outer wall of the corresponding sliding block 17. The second tooth block 25 is of a rectangular structure, a round groove is formed in one side, away from the corresponding first tooth block 23, of the second tooth block 25, one end of the screw rod 27 extends into the round groove, a third bearing is fixedly mounted in the round groove, and an inner ring of the third bearing is fixedly sleeved on the screw rod 27.

The working principle of the utility model is as follows: when in use, firstly, a mechanical part to be welded is placed between two turntables 15, then a bidirectional screw rod 19 is rotated, so that two first sliding blocks 17 are driven to slide in a sliding groove 16 and approach each other, simultaneously, two sliding blocks 17 drive two clamping plates 18 to approach each other until the mechanical part is clamped, then the other bidirectional screw rod 19 is rotated according to the method, so that the other two clamping plates 18 clamp the mechanical part, the mechanical part is clamped, then the positioning assembly 2, the first air cylinder 3 and the welding gun 4 can be started to weld the mechanical part, after one side of the mechanical part is welded, the first air cylinder 3 is started, the welding gun 4 is driven to ascend and reset, then the second air cylinder 7 is started, an output rod of the second air cylinder 7 drives a rack 8 to ascend, so that a gear 6 is driven to rotate, and simultaneously, the gear 6 drives a corresponding rotating shaft 5 to rotate, the rotating shaft 5 drives the corresponding rotating disc 15 to rotate, so that the mechanical part is driven to rotate, the mechanical part drives the other rotating disc 15 and the rotating shaft 5 to rotate, the disc 9 is driven to rotate, the second ring gear 11 is driven to rotate by the disc 9, the mechanical part is turned over, then the electric cylinder 14 is started, the output rod of the electric cylinder 14 pushes the sliding rod 13 to slide in the rectangular through groove 12 to be close to the first ring gear 10, so that the disc 9 is driven to slide on the rotating shaft 5, the second ring gear 11 is driven to be close to the first ring gear 10 until being meshed with the first ring gear 10, the disc 9 is fixed, the rotating shaft 5 and the rotating disc 15 are fixed, the mechanical part cannot rotate, then the reverse surface can be welded, through the arrangement, the turnover mechanism can be locked after the mechanical part is turned over, and the stability of the structure can be effectively improved, therefore, the problem that the turnover mechanism rotates is avoided, welding spot positioning and welding operation are conveniently carried out on mechanical parts by a welding gun, when clamping parts are required to be replaced, the screw rod 27 is rotated firstly, the screw rod 27 rotates to extend out of the inner threaded cylinder 26, meanwhile, the screw rod 27 drives the second tooth block 25 to slide out of the second rectangular groove 22 and enter the corresponding rectangular through hole 24, the fixation of the first tooth block 23 is relieved, the fixation of the rectangular block 21 is relieved at the same time, the clamping plate 18 is pulled later, the rectangular block 21 is driven to slide out of the corresponding first rectangular groove 20, then other clamping parts of other types can be installed according to the opposite steps of the method, then the clamping parts of other clamping plates 18 can be replaced in sequence according to the method, the clamping parts can be V-shaped, semicircular, arc-shaped and the like, and the clamping parts of different types are conveniently replaced through the arrangement, so that the clamping parts of different types can be conveniently and rapidly disassembled, and the clamping parts of different mechanical parts can be conveniently clamped, and great convenience is brought to mechanical welding work.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the utility model, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the utility model, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a but mechanical electric welding device of automatic turn-over, includes U-shaped braced frame (1), its characterized in that: the utility model discloses a welding machine, including U-shaped braced frame (1), locating component (2) are installed to the top fixed mounting of U-shaped braced frame (1), fixed mounting has first cylinder (3) on locating component (2), the bottom fixed mounting of first cylinder (3) output rod has welder (4), pivot (5) are installed in all rotating the both sides of U-shaped braced frame (1), two in one end that pivot (5) are close to each other all extends to U-shaped braced frame (1), two in one end that pivot (5) are kept away from each other fixed mounting respectively has gear (6) and electric cylinder (14), one side fixed mounting of U-shaped braced frame (1) has second cylinder (7), rack (8) are welded on the top of second cylinder (7) output rod, rack (8) and gear (6) meshing, the cover is equipped with disc (9) in pivot (5) of keeping away from gear (6), one side welding that U-shaped braced frame (1) kept away from gear (6) has first ring gear (10), one side that disc (9) are kept away from gear (6) second ring gear (11) and second ring gear (11), ring gear (11) and second ring gear (11) are far from first ring gear (11), keep away from the top of pivot (5) of gear (6) is run through there is rectangle logical groove (12), the interior slide bar (13) that runs through of rectangle logical groove (12), the output pole of electric jar (14) extends to in rectangle logical groove (12) and welds with slide bar (13), two the one end that pivot (5) is close to each other all welds carousel (15), two spout (16) have all been seted up to one side that carousel (15) is close to each other, slidable mounting has slider (17) in spout (16), the one end of slider (17) extends to outside spout (16) and is equipped with splint (18), rotate on carousel (15) and run through there is two-way lead screw (19), two sliders (17) that correspond are run through to two-way lead screw (19) screw thread.

2. The automatic turn-over mechanical welding device according to claim 1, wherein: the sliding block (17) further comprises a first rectangular groove (20), one end of the sliding block (17) located outside the corresponding sliding groove (16) is arranged on the first rectangular groove (20), a rectangular block (21) is slidably arranged in the first rectangular groove (20), the rectangular block (21) is welded with a corresponding clamping plate (18), a second rectangular groove (22) is arranged on one side of the rectangular block (21), a first tooth block (23) is welded on the inner wall of the bottom of the second rectangular groove (22), a rectangular through hole (24) is formed in one side inner wall of the first rectangular groove (20), a second tooth block (25) is slidably arranged in the rectangular through hole (24), the second tooth block (25) is meshed with the inner wall of the corresponding second rectangular groove (22), one side of the second tooth block (25) away from the corresponding first tooth block (23) is rotatably provided with a first tooth block (27), and the corresponding screw thread (27) is arranged on one end of the corresponding screw rod (26) in a screw thread sleeve (17).

3. The automatic turn-over mechanical welding device according to claim 1, wherein: the U-shaped supporting frame comprises a U-shaped supporting frame body, wherein first through holes are formed in the inner walls of the two sides of the U-shaped supporting frame body (1), a rotating shaft (5) penetrates through the corresponding first through holes in a rotating mode, a first bearing is fixedly installed in the first through holes, and an inner ring of the first bearing is fixedly sleeved on the rotating shaft (5).

4. The automatic turn-over mechanical welding device according to claim 1, wherein: a limit chute is formed in one side of the U-shaped support frame (1), a limit rod is slidably mounted in the limit chute, and one end of the limit rod extends out of the limit chute and is welded with one side of the rack (8).

5. The automatic turn-over mechanical welding device according to claim 1, wherein: the inner wall of one side of the rectangular through groove (12) far away from the gear (6) is penetrated with a second through hole, and the output rod of the electric cylinder (14) penetrates through the second through hole in a sliding manner.

6. The automatic turn-over mechanical welding device according to claim 1, wherein: the sliding block (17) is provided with a threaded through hole in a penetrating mode, and the threads of the two-way screw rod (19) penetrate through the threaded through holes.

7. The automatic turn-over mechanical welding device according to claim 2, wherein: the second tooth piece (25) is rectangular structure, the circular slot has been seted up to one side that the first tooth piece (23) that corresponds was kept away from to second tooth piece (25), the one end of lead screw (27) extends to in the circular slot, fixed mounting has the third bearing in the circular slot, the fixed cover of inner circle of third bearing is established on lead screw (27).