CN215747550U

CN215747550U - Turnover welding rack

Info

Publication number: CN215747550U
Application number: CN202122235623.5U
Authority: CN
Inventors: 郑刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-08
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a turnover welding bench and relates to the technical field of welding devices. The clamping device comprises a base, wherein two oppositely arranged supporting plates are connected to the upper side of the base, the two supporting plates are connected with a first rotating shaft and a second rotating shaft, the first rotating shaft is connected with an adjusting disc, the second rotating shaft is connected with a driven disc, a driving mechanism is arranged on one side of the adjusting disc, a plurality of adjusting holes are formed in the side wall of the adjusting disc, the supporting plate close to the adjusting disc is connected with a positioning assembly matched with the adjusting holes, the side wall of the adjusting disc is fixedly connected with two oppositely arranged first connecting plates, the side wall of the driven disc is fixedly connected with two oppositely arranged second connecting plates, the first connecting plates and the second connecting plates are arranged in a one-to-one correspondence mode, and a clamping assembly is connected between the first connecting plates and the second connecting plates; therefore, the device can realize the adjustment of the turnover angle of the welding workpiece through the mutual matching of the components, is convenient for the progress of the welding work of workers, and improves the working efficiency.

Description

Turnover welding rack

Technical Field

The utility model relates to the technical field of welding devices, in particular to a turnover type welding bench.

Background

Welding is a process of making a weldment into atomic bonding by heating, pressing, or a combination of heating and pressing with or without a filler material, and is a process of joining separate pieces of metal into a non-detachable one-piece metal. Compared with riveting, welding has the advantages of metal saving, high productivity, good compactness, good operating conditions, easy realization of mechanization and automation and the like, so that the welding is basically replaced by riveting at present. The welding has another characteristic of being large and small and being spliced into a large size, so that when large machine parts and structural parts or complex machine parts are manufactured, a plurality of blanks can be processed by adopting a welding method, and the purpose of producing large and complex metal parts by using small casting and forging equipment is achieved. In addition, the bimetal structural material can also be manufactured by adopting a welding method. Nowadays, welding processes are widely applied to daily industrial production, and meanwhile, the types of welding equipment on the market are more and more, and the working performance of the welding equipment is greatly improved.

The prior art has the following defects: the existing welding rack for welding small workpieces cannot adjust the turnover angle, so that welding is inconvenient, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a turnover welding bench, which supports a support plate through a base, simultaneously provides a stable support function for the subsequent working and using processes as a support base of the whole device, supports a first rotating shaft and a second rotating shaft through the two support plates respectively, facilitates the rotation of an adjusting disc through the first rotating shaft, facilitates the rotation of a driven disc through the second rotating shaft, further provides support for a first connecting plate through the adjusting disc, provides support for a second connecting plate through the driven disc, provides a connecting support function for a clamping assembly through the first connecting plate and the second connecting plate together, further can clamp a workpiece to be welded through the clamping assembly, ensures the stability of the workpiece in the welding process, further can effectively drive the adjusting disc to perform certain turnover angle adjustment through a driving mechanism formed by a driven gear, a driving shaft and a first rotating part, and then can effectual angle of adjusting carry out position fixing through the cooperation of locating component and the regulation hole on the regulation disc to this device can realize the regulation to welding workpiece rotation angle through the mutually supporting of above-mentioned each component, and the workman weldment work's of being convenient for progress improves work efficiency.

The above object of the present invention is achieved by the following technical solutions:

a turnover welding bench comprises a base, wherein two oppositely arranged supporting plates are fixedly connected to the upper side of the base, one side, close to each other, of the two supporting plates is respectively and rotatably connected with a first rotating shaft and a second rotating shaft, the first rotating shaft is rotatably connected with an adjusting disc, the second rotating shaft is rotatably connected with a driven disc, one side, close to the supporting plates, of the adjusting disc is provided with a driving mechanism, the driving mechanism comprises a driven gear, the driven gear is sleeved on and fixedly connected with the outer side wall of the first rotating shaft, the driven gear is meshed with a driving gear, one side of the driving gear is fixedly connected with a driving shaft, the driving shaft penetrates through the supporting plates and is rotatably connected with the supporting plates, one end, far away from the driving gear, of the driving shaft is fixedly connected with a first rotating part, the side wall of the adjusting disc is provided with a plurality of adjusting holes, the supporting plates, close to the adjusting disc, are connected with positioning components matched with the adjusting holes, the side wall fixedly connected with of regulation disc two first connecting plates that set up relatively, the side wall fixedly connected with of driven disc two second connecting plates that set up relatively, first connecting plate with the second connecting plate one-to-one sets up, be connected with the centre gripping subassembly between first connecting plate and the second connecting plate.

By adopting the technical scheme, the support plates are supported by the base, the support base as the whole device provides a stable support effect for the subsequent working and use processes, the two support plates respectively provide support for the first rotating shaft and the second rotating shaft, the first rotating shaft is convenient for the regulation disc to rotate, the second rotating shaft is convenient for the driven disc to rotate, the regulation disc is further used for providing support for the first connecting plate, the driven disc is used for providing support for the second connecting plate, the first connecting plate and the second connecting plate jointly provide the connection support effect for the clamping assembly, the workpiece to be welded can be clamped by the clamping assembly, the stability of the workpiece in the welding process is ensured, and the regulating disc can be effectively driven to carry out certain turnover angle regulation by the driving mechanism formed by the driven gear, the driving shaft and the first rotating part, and then can effectual angle of adjusting carry out position fixing through the cooperation of locating component and the regulation hole on the regulation disc to this device can realize the regulation to welding workpiece rotation angle through the mutually supporting of above-mentioned each component, and the workman weldment work's of being convenient for progress improves work efficiency.

The present invention in a preferred example may be further configured to: the locating component comprises a shell, the shell is close to the shell, the supporting plate is fixedly connected with the shell, a limiting plate is connected to the shell in a sliding mode, a locating column and a fixing plate are arranged in the limiting plate in a penetrating mode, one end of the locating column penetrates through the supporting plate and is inserted into one of the locating holes, the locating column is connected with the supporting plate in a sliding mode, the other end of the locating column penetrates through the pulling block fixedly connected with the side wall of the shell, the locating column is connected with the shell in a sliding mode, the limiting plate is far away from one side of the adjusting disc, two springs are arranged on one side of the adjusting disc, one end of each spring is fixedly connected with the corresponding limiting plate, and the other end of each spring is fixedly connected with the inner side wall of the shell.

Through adopting above-mentioned technical scheme, provide the support for the casing through the backup pad, it is spacing to slide for the limiting plate provides through the casing, guarantee that the slip direction of limiting plate is stable, provide the supporting role for the reference column through the limiting plate, make the reference column can adjust along with the slip of limiting plate, and then can carry out the pull action to the reference column through drawing the piece, make the reference column can conveniently peg graft and break away from with the regulation hole on the regulation disc, and then the elasticity reset function through the spring can promote the limiting plate and drive the reference column and peg graft stably with the regulation hole, thereby can guarantee that the location after adjusting disc angle is stable, the improvement device is in the stability to work piece welded.

The present invention in a preferred example may be further configured to: the centre gripping subassembly includes adjustment mechanism and fixture, adjustment mechanism includes that two set up the diaphragm relatively, the both ends of diaphragm respectively with relative setting first connecting plate with second connecting plate fixed connection, two be equipped with stud between the diaphragm, stud one end with the regulation disc rotates to be connected, the stud other end runs through respectively driven disc the backup pad with second pivot and fixedly connected with second rotate the piece, stud respectively with driven disc the backup pad with the second pivot rotates to be connected, stud both ends all run through and threaded connection has the movable plate, two the both ends of movable plate all with diaphragm sliding connection, the movable plate upside with fixture connects.

Through adopting above-mentioned technical scheme, provide the support for the diaphragm through first connecting plate and second connecting plate, it is spacing to slide for the movable plate provides through two diaphragms, guarantee that the slip direction of movable plate is certain and the removal process is stable, rotate through the second and can make things convenient for manual drive stud to rotate, and then the movable plate that can drive both sides through stud rotation and stud and the helicitic texture of movable plate carries out the motion that is close to each other or keeps away from each other, make the distance between two movable plates conveniently adjust, thereby adapt to the not work piece welding of unidimensional, and then can the work piece carry out effective centre gripping through the centre gripping subassembly, stability when improving the welding.

The present invention in a preferred example may be further configured to: the clamping mechanism comprises two opposite fixing plates, the fixing plates are fixedly connected to the two ends of the movable plate respectively, the two fixing plates are arranged on one sides, close to each other, of the fixing plates, clamping plates are arranged, the clamping plates are connected with the movable plate in a sliding mode, the two clamping plates are connected with threaded rods in a rotating mode, one sides, far away from each other, of the clamping plates are connected with the threaded rods in a rotating mode, and the threaded rods penetrate through the fixing plates and are connected with the fixing plates in a threaded mode.

Through adopting above-mentioned technical scheme, provide supporting role for the fixed plate through the movable plate, and then provide the slip spacing for the grip block through the movable plate, guarantee that the slip direction of grip block is certain, improve the stability of grip block in the use, and then the grip block that can drive both sides through the helicitic texture of threaded rod and fixed plate is close to the motion each other to can press from both sides the work piece tightly, further can carry out the centre gripping to the work piece of equidimension not through the regulation of interval between two grip blocks, improve the suitability of device.

The present invention in a preferred example may be further configured to: one side of the clamping plate, which is far away from the threaded rod, is fixedly connected with a rubber pad.

Through adopting above-mentioned technical scheme, can avoid grip block and work piece to take place the rigidity collision through set up the rubber pad on the clamping face at the grip block to cause the damage of work piece surface fish tail.

The present invention in a preferred example may be further configured to: the lower side wall of the base is fixedly connected with a plurality of suckers.

Through adopting above-mentioned technical scheme, can further improve the device and place the frictional force between the face through setting up the sucking disc, prevent that the device from appearing the slip phenomenon in the use to improve the holistic stability in use of device.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. support is provided for the supporting plate through the base, simultaneously, the supporting base as the whole device provides a stable supporting effect for the follow-up work use process, support is provided for the first rotating shaft and the second rotating shaft through the two supporting plates respectively, the regulation disc is convenient to rotate through the first rotating shaft, the driven disc is convenient to rotate through the second rotating shaft, further, the regulation disc provides support for the first connecting plate, support is provided for the second connecting plate through the driven disc, the effect of connection support is provided for the clamping assembly through the first connecting plate and the second connecting plate together, further, the workpiece needing to be welded can be clamped through the clamping assembly, the stability of the workpiece in the welding process is ensured, further, the driven gear is adopted, the driving gear is driven, the driving mechanism formed by the driving shaft and the first rotating member can effectively drive the regulation disc to carry out certain turnover angle regulation, further, the regulation of the angle can be effectively regulated through the matching of the positioning assembly and the regulation hole on the regulating disc The position is fixed, so that the device can adjust the turnover angle of a welding workpiece through the mutual matching of the components, the progress of welding work of workers is facilitated, and the working efficiency is improved;

2. the support plate is used for supporting the shell, the shell is used for providing sliding limit for the limiting plate, the stable sliding direction of the limiting plate is ensured, the limiting plate is used for providing a supporting effect for the positioning column, the positioning column can be adjusted along with the sliding of the limiting plate, the positioning column can be pulled and pulled through the pulling block, the positioning column can be conveniently inserted into and separated from the adjusting hole in the adjusting disc, the limiting plate can be pushed to drive the positioning column to be stably inserted into the adjusting hole through the elastic reset function of the spring, the positioning stability after the angle of the adjusting disc is adjusted can be ensured, and the stability of the device for welding workpieces is improved;

3. support for the diaphragm through first connecting plate and second connecting plate, it is spacing to provide the slip for the movable plate through two diaphragms, guarantee that the slip direction of movable plate is certain and the removal process is stable, rotate through the second and can make things convenient for manual drive stud to rotate, and then the helicitic texture through stud rotation and stud and movable plate can drive the movable plate of both sides and carry out the motion that is close to each other or keeps away from each other, make the convenient regulation of distance between two movable plates, thereby adapt to not unidimensional work piece welding, and then can the work piece carry out effective centre gripping through the centre gripping subassembly, stability when improving the welding.

Drawings

FIG. 1 is a schematic view of the overall structure of a first view of the present invention;

FIG. 2 is a schematic view of the overall structure of a second perspective of the present invention;

FIG. 3 is a schematic view of the overall structure of a third perspective of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3.

Reference numerals: 1. a base; 2. a support plate; 3. a first rotating shaft; 4. a second rotating shaft; 5. adjusting the disc; 6. a driven disk; 7. a drive mechanism; 71. a driven gear; 72. a drive gear; 73. a drive shaft; 74. a first rotating member; 8. an adjustment hole; 9. a positioning assembly; 91. a housing; 92. a limiting plate; 93. a positioning column; 94. pulling the block; 95. a spring; 10. a first connecting plate; 11. a second connecting plate; 12. a clamping assembly; 121. an adjustment mechanism; 1211. a transverse plate; 1212. a stud; 1213. a second rotating member; 1214. moving the plate; 122. a clamping mechanism; 1221. a fixing plate; 1222. a clamping plate; 1223. a threaded rod; 13. a rubber pad; 14. and (4) sucking discs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1 and 2, the utility model provides a turnover welding bench, which comprises a base 1, wherein the base 1 is horizontally arranged, two oppositely arranged support plates 2 are fixedly connected to the upper side of the base 1, the support plates 2 are vertically arranged with the base 1, one sides of the two support plates 2 close to each other are respectively and rotatably connected with a first rotating shaft 3 and a second rotating shaft 4, the axes of the two rotating shafts are overlapped, the first rotating shaft 3 is rotatably connected with an adjusting disc 5, the adjusting disc 5 is convenient to rotate through the first rotating shaft 3, the second rotating shaft 4 is rotatably connected with a driven disc 6, the driven disc 6 is convenient to rotate through the second rotating shaft 4, so that the discs and the adjusting disc 5 are oppositely arranged and have the same diameter, a driving mechanism 7 is arranged at one side of the adjusting disc 5 close to the support plate 2, the driving mechanism 7 comprises a driven gear 71, the driven gear 71 is sleeved and fixedly connected to the outer side wall of the first rotating shaft 3, the driven gear 71 is engaged with a driving gear 72, one side of the driving gear 72 is fixedly connected with a driving shaft 73, the driving shaft 73 is arranged in parallel with the first rotating shaft 3, the driving shaft 73 penetrates through the support plate 2 and is connected with the support plate in a rotating manner, one end, far away from the driving gear 72, of the driving shaft 73 is fixedly connected with a first rotating member 74, so that the driving shaft 73 can be driven to rotate through the first rotating member 74, the driving gear 72 is driven to rotate through the driving shaft 73, and further, the driving gear 72 is engaged with the driven gear 71 to rotate, so that the driven gear 71 can effectively drive the adjusting disc 5 to rotate, the subsequent adjustment of the turnover angle of a welding workpiece is facilitated, the side wall of the adjusting disc 5 is provided with a plurality of adjusting holes 8, preferably, the adjusting holes 8 are uniformly distributed on the side wall of the adjusting disc 5 and are in a circumferential array, the support plate 2, close to the adjusting disc 5, is connected with a positioning assembly 9 matched with the adjusting holes 8, and then can effectual angle of adjusting carry out the rigidity through the cooperation of locating component 9 and the regulation hole 8 on the regulation disc 5, the first connecting plate 10 of two relative settings of lateral wall fixedly connected with of regulation disc 5, two relative settings of second connecting plate 11 of the lateral wall fixedly connected with of driven disc 6, first connecting plate 10 and the setting of second connecting plate 11 one-to-one, be connected with centre gripping subassembly 12 between first connecting plate 10 and the second connecting plate 11, and then provide the support for first connecting plate 10 through regulation disc 5, provide the support for second connecting plate 11 through driven disc 6, provide the effect of joint support for centre gripping subassembly 12 jointly through first connecting plate 10 and second connecting plate 11, and then can carry out the centre gripping to the work piece that needs the welding through centre gripping subassembly 12, guarantee the stability of welding process work piece.

As shown in fig. 3, the positioning assembly 9 includes a housing 91, the housing 91 is fixedly connected to a supporting plate 2 adjacent to the housing 91, the housing 91 is supported by the supporting plate 2, a limiting plate 92 is slidably connected in the housing 91, the limiting plate 92 is slidably limited by the housing 91, so as to ensure the stable sliding direction of the limiting plate 92, the limiting plate 92 is inserted through a positioning post 93 and fixedly connected to the positioning post 93, one end of the positioning post 93 is inserted through the supporting plate 2 and inserted into one of the adjusting holes 8, the positioning post 93 is slidably connected to the supporting plate 2, the other end of the positioning post 93 is inserted through a sidewall of the housing 91 and fixedly connected to a pulling block 94, the positioning post 93 is slidably connected to the housing 91, the limiting plate 92 provides a supporting function for the positioning post 93, so that the positioning post 93 can be adjusted along with the sliding of the limiting plate 92, and further, the pulling block 94 can pull the positioning post 93, so that the positioning post 93 can be conveniently inserted into and separated from the adjusting hole 8 on the adjusting disc 5, limiting plate 92 keeps away from regulation disc 5 one side and is equipped with two springs 95, it should be about reference column 93 symmetry setting to be more preferred for two springs 95, thereby make elasticity balanced, spring 95 one end and limiting plate 92 fixed connection, the spring 95 other end and casing 91's inside wall fixed connection, and then the elasticity reset function through spring 95 can promote limiting plate 92 and drive reference column 93 and adjust the hole 8 stable of pegging graft, thereby can guarantee that the location after adjusting disc 5 angle regulation is stable.

As shown in fig. 1 and 3, the clamping assembly 12 includes an adjusting mechanism 121 and a clamping mechanism 122, the adjusting mechanism 121 includes two opposite horizontal plates 1211, two ends of the horizontal plate 1211 are respectively fixedly connected to a first connecting plate 10 and a second connecting plate 11, the horizontal plate 1211 is supported by the first connecting plate 10 and the second connecting plate 11, a stud 1212 is disposed between the two horizontal plates 1211, one end of the stud 1212 is rotatably connected to the adjusting disc 5, the other end of the stud 1212 penetrates through the driven disc 6, the support plate 2 and the second rotating shaft 4 respectively and is fixedly connected to a second rotating member 1213, the stud 1212 can be conveniently driven by a human to rotate by the second rotating member 1213, the stud 1212 is rotatably connected to the driven disc 6, the support plate 2 and the second rotating shaft 4 respectively, two ends of the stud moving plate 1212 are both penetrated and are threadedly connected to 1214, two ends of the two stud moving plates 1214 are both slidably connected to the horizontal plate 1211, the two transverse plates 1211 provide sliding limit for the moving plate 1214, so that the moving plate 1214 is ensured to have a certain sliding direction and a stable moving process, the two transverse plates 1211 provide sliding limit for the moving plate 1214, the moving plate 1214 is ensured to have a certain sliding direction and a stable moving process, and the upper side of the moving plate 1214 is connected with the clamping mechanism 122.

As shown in fig. 3 and 4, the clamping mechanism 122 includes two opposite fixed plates 1221, the fixed plates 1221 are respectively and fixedly connected to two ends of the moving plate 1214, the moving plate 1214 provides a supporting function for the fixed plates 1221, one side of the two fixed plates 1221 close to each other is provided with a clamping plate 1222, the clamping plate 1222 is slidably connected to the moving plate 1214, so as to provide a sliding limit for the clamping plate 1222 through the moving plate 1214, so as to ensure that the sliding direction of the clamping plate 1222 is constant, and improve the stability of the clamping plate 1222 during use, one side of the two clamping plates 1222 far from each other is rotatably connected with a threaded rod 1223, the threaded rod 1223 is inserted through the fixed plate 1221 and threadedly connected with it, so that the threaded rod 1223 and the fixed plate 1221 can drive the clamping plates 1222 at two sides to move close to each other, so as to clamp workpieces of different sizes, further, by adjusting the distance between the two clamping plates 1222, the applicability of the device is improved.

As shown in fig. 4, a rubber pad 13 is fixedly connected to a side of the clamping plate 1222 away from the threaded rod 1223, and the rubber pad 13 is disposed on the clamping surface of the clamping plate 1222, so that the clamping plate 1222 can be prevented from rigidly colliding with the workpiece, and the surface of the workpiece can be scratched and damaged. As shown in fig. 1, the lower side wall of the base 1 is fixedly connected with a plurality of suckers 14, the friction between the device and the placing surface can be further improved by arranging the suckers 14, the device is prevented from sliding in the using process, and the use stability of the whole device is improved.

The implementation principle of the embodiment is as follows: when the device is used, firstly, the device is placed at a specified position, the device is adsorbed and fixed with the ground through the sucking disc 14, one workpiece is placed on the first moving plate 1214, the threaded rods 1223 on two sides are rotated to push the clamping plate 1222 to clamp the workpiece, the other workpiece is placed on the second moving plate 1214, the threaded rods 1223 on two sides are also rotated to push the clamping plate 1222 to clamp the workpiece, the welding surfaces of the two workpieces are arranged oppositely, after the two workpieces to be welded are clamped, the two moving plates 1214 are driven to mutually approach to each other through rotating the second rotating piece 1213 until the welding distance is reached, the pull block 94 is pulled to enable the positioning column 93 to be separated from the limit position of the adjusting disc 5, the first rotating piece 74 is rotated to enable the driving gear 72 to be meshed with the driven gear 71 to rotate, the driven gear 71 is rotated to drive the adjusting disc 5 to rotate, and then the adjusting disc 5 rotates and makes the whole clamped workpiece rotate under the cooperation of the first connecting plate 10, the second connecting plate 11, the transverse plate 1211 and the driven disc 6, when the workpiece turns over to an angle suitable for welding by workers, the pull block 94 is loosened to make the positioning column 93 be inserted into the corresponding adjusting hole 8, so that the adjusting disc 5 is positioned, the adjusted angle of the device is ensured to be inconvenient, and the workpiece is convenient to weld.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a convertible welding bench, includes base (1), its characterized in that: the base (1) upside fixedly connected with two relative backup pads (2) that set up, two one side that backup pad (2) are close to each other rotates respectively and is connected with first pivot (3) and second pivot (4), first pivot (3) rotate and are connected with regulation disc (5), second pivot (4) rotate and are connected with driven disc (6), it is close to adjust disc (5) backup pad (2) one side is equipped with actuating mechanism (7), actuating mechanism (7) include driven gear (71), driven gear (71) cover establish and fixed connection in the lateral wall of first pivot (3), driven gear (71) meshing has drive gear (72), drive gear (72) one side fixedly connected with drive shaft (73), drive shaft (73) run through backup pad (2) and be connected with it is rotated, keep away from drive gear (72) one end fixedly connected with first commentaries on classics piece (74), a plurality of regulation holes (8) have been seted up to the lateral wall of regulation disc (5), are close to regulation disc (5) backup pad (2) be connected with regulation hole (8) assorted locating component (9), the lateral wall fixedly connected with of regulation disc (5) first connecting plate (10) of two relative settings, the lateral wall fixedly connected with of driven disc (6) two sets up second connecting plate (11) relatively, first connecting plate (10) with second connecting plate (11) one-to-one sets up, be connected with clamping component (12) between first connecting plate (10) and second connecting plate (11).

2. The roll-over welding gantry of claim 1, wherein: the positioning assembly (9) comprises a shell (91), the shell (91) is close to the support plate (2) and is fixedly connected with the support plate, a limiting plate (92) is connected with the shell (91) in a sliding manner, the limiting plate (92) is inserted with a positioning column (93) and fixedly connected with the positioning column (93), one end of the positioning column (93) penetrates through the support plate (2) and is inserted into one of the adjusting holes (8), the positioning column (93) is slidably connected with the support plate (2), the other end of the positioning column (93) penetrates through a side wall fixedly connected with pulling block (94) of the shell (91), the positioning column (93) is slidably connected with the shell (91), the limiting plate (92) is far away from one side of the adjusting disc (5) and is provided with two springs (95), one end of each spring (95) is fixedly connected with the limiting plate (92), the other end of the spring (95) is fixedly connected with the inner side wall of the shell (91).

3. The roll-over welding gantry of claim 1, wherein: the clamping assembly (12) comprises an adjusting mechanism (121) and a clamping mechanism (122), the adjusting mechanism (121) comprises two opposite transverse plates (1211), two ends of each transverse plate (1211) are respectively and fixedly connected with the first connecting plate (10) and the second connecting plate (11) which are oppositely arranged, a stud (1212) is arranged between the two transverse plates (1211), one end of each stud (1212) is rotatably connected with the adjusting disc (5), the other end of each stud (1212) penetrates through the driven disc (6), the supporting plate (2) and the second rotating shaft (4) and is fixedly connected with a second rotating piece (1213), the studs (1212) are respectively and rotatably connected with the driven disc (6), the supporting plate (2) and the second rotating shaft (4), and two ends of each stud (1212) penetrate through and are in threaded connection with a moving plate (1214), two ends of the two moving plates (1214) are connected with the transverse plate (1211) in a sliding mode, and the upper side of each moving plate (1214) is connected with the clamping mechanism (122).

4. The flip welding stand of claim 3, wherein: the clamping mechanism (122) comprises two opposite fixing plates (1221), the fixing plates (1221) are respectively and fixedly connected to two ends of the moving plate (1214), clamping plates (1222) are arranged on one sides, close to each other, of the two fixing plates (1221), the clamping plates (1222) are in sliding connection with the moving plate (1214), threaded rods (1223) are rotatably connected to one sides, far away from each other, of the two clamping plates (1222), and the threaded rods (1223) penetrate through the fixing plates (1221) and are in threaded connection with the fixing plates (1221).

5. The flip welding stand of claim 4, wherein: one side of the clamping plate (1222), which is far away from the threaded rod (1223), is fixedly connected with a rubber pad (13).

6. The roll-over welding gantry of claim 1, wherein: the lower side wall of the base (1) is fixedly connected with a plurality of suckers (14).