CN211305290U

CN211305290U - Sheet welding anti-deformation device

Info

Publication number: CN211305290U
Application number: CN201922170725.6U
Authority: CN
Inventors: 商杰; 王双阳; 薛海锋; 李万刚; 刘戈鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-21
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a sheet metal welding anti-deformation device, including the water tank that the opening set up, equal fixedly connected with fixed block, four on the inner wall of four angle departments of water tank equal first hydraulic cylinder of fixedly connected with on the upper end lateral wall of fixed block, the end of first hydraulic cylinder output shaft all runs through the lateral wall and the fixedly connected with of fixed block and adds the preforming, the intermediate position of the bottom of water tank is equipped with two jack-up mechanisms, two be equipped with forced air cooling pipe and two water-cooled tubes between the jack-up mechanism. The utility model discloses can effectively avoid welding deformation, reduce and weld the back and transfer the variant process, labour saving and time saving has improved efficiency.

Description

Sheet welding anti-deformation device

Technical Field

The utility model relates to the field of welding technique, especially, relate to a sheet metal welding anti-deformation device.

Background

The LOGO label on the gas tank support of the drilling machine requires closed welding, and because the label workpiece plate is thin, large in area and highly concentrated in welding line, very serious welding deformation is easily caused.

The existing process requires integral stress relief annealing after rigid fixation welding, but the effect is poor, time and labor are wasted, and therefore a thin plate welding deformation prevention device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the deformation prevention device of sheet metal welding that proposes, it can effectively avoid welding deformation, has reduced and has welded the back and has transferred the variant process, and labour saving and time saving has improved efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sheet metal welding anti-deformation device, includes the water tank that the opening set up, equal fixedly connected with fixed block, four on the inner wall of four angle departments of water tank equal first hydraulic cylinder of fixedly connected with on the upper end lateral wall of fixed block, the end of first hydraulic cylinder output shaft all runs through the lateral wall and the fixedly connected with of fixed block and adds the preforming, the intermediate position of the bottom of water tank is equipped with two jack-up mechanisms, two be equipped with forced air cooling pipe and two water-cooled tubes between the jack-up mechanism.

Preferably, the lower end side walls of the four corners of the water tank are fixedly connected with supporting legs, and the lower end side walls of the supporting legs are fixedly connected with gaskets.

Preferably, the jacking mechanism comprises a second hydraulic cylinder fixedly connected to the side wall of the lower end of the water tank, and the tail end of an output shaft of the second hydraulic cylinder penetrates through the side wall of the water tank and is fixedly connected with a supporting sheet.

Preferably, the output shaft of the second hydraulic cylinder is in dynamic sealing connection with the side wall of the lower end of the water tank through a sealing ring.

Preferably, the air-cooled pipe is arranged at the axis of the side wall of the lower end of the water tank, the air-cooled pipe penetrates through the side wall of the lower end of the water tank and is fixedly connected with the side wall of the lower end of the water tank, and one end, far away from the water tank, of the air-cooled pipe is fixedly connected with and communicated with the output end of the fan.

Preferably, the two water-cooling pipes penetrate through the side wall of the lower end of the water tank and are fixedly connected with the side wall of the lower end of the water tank, and one end, far away from the water tank, of each water-cooling pipe is fixedly connected with and communicated with the output end of the water pump.

The utility model discloses following beneficial effect has:

1. through setting up the water tank for the welding is used, before the welding is used, can pour into the clear water into in the water tank earlier to utilized the high specific heat nature of water and heat-conducting mode, reduced the heat in the sign work piece remaining, the effectual welding deformation that has reduced.

2. Through set up supporting legs and gasket at the lower extreme of water tank, for the water tank provides the support, be favorable to the firm of water tank to place.

3. Through setting up fixed block, first hydraulic cylinder, pressurization piece and jack-up mechanism, two second hydraulic cylinders can drive the backing sheet and upwards remove for the centre of sign work piece is by jack-up slightly, and four first hydraulic cylinders can drive the pressurization piece simultaneously and downwards remove and tightly press four angle departments of sign work piece, cause certain anti-deformation.

4. Through setting up air-cooled tube and water-cooled tube, the centre of work piece is jack-up slightly when the sign, and is compressed tightly all around and cause certain anti-deformation back, and the centre breaks away from the surface of water part, and accessible water-cooled tube water spray forced water cooling to through the forced air cooling of air-cooled tube, can avoid welding deformation effectively, thereby reduced and welded the back and transfer the variant process, labour saving and time saving has improved efficiency.

To sum up, the utility model discloses can effectively avoid welding deformation, reduce and weld the back and transfer the variant process, labour saving and time saving has improved efficiency.

Drawings

Fig. 1 is a schematic view of a front-view cross-sectional structure of a thin plate welding deformation prevention device provided by the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the deformation preventing device for welding thin plates of the present invention;

fig. 3 is a schematic view of a top-view cross-sectional structure of the deformation-preventing device for welding thin plates of the present invention.

In the figure: the device comprises a water tank 1, a fixing block 2, a first hydraulic oil cylinder 3, a pressurizing sheet 4, a jacking mechanism 5, a second hydraulic oil cylinder 51, a supporting sheet 52, a sealing ring 53, an air cooling pipe 6, a water cooling pipe 7, supporting legs 8 and a gasket 9.

Detailed Description

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

Referring to fig. 1-3, a sheet welding anti-deformation device, including water tank 1 that the opening set up, equal fixedly connected with supporting legs 8 on the lower extreme lateral wall of four angles departments of water tank 1, equal fixedly connected with gasket 9 on the lower extreme lateral wall of supporting legs 8, through setting up water tank 1, be used for the welding, before the welding uses, can inject the clear water in water tank 1 earlier, thereby the high specific heat nature and the heat-conducting mode of water have been utilized, the heat in the sign work piece is remained, the effectual welding deformation that has reduced, through setting up supporting legs 8 and gasket 9 at the lower extreme of water tank 1, support for water tank 1, be favorable to the firm of water tank 1 to place.

Wherein, the inner walls of four corners of the water tank 1 are fixedly connected with fixed blocks 2, the side walls of the upper ends of the four fixed blocks 2 are fixedly connected with first hydraulic cylinders 3, the tail ends of output shafts of the first hydraulic cylinders 3 all penetrate through the side walls of the fixed blocks 2 and are fixedly connected with pressurizing sheets 4, two jacking mechanisms 5 are arranged at the middle position of the bottom of the water tank 1, each jacking mechanism 5 comprises a second hydraulic cylinder 51 fixedly connected to the side wall of the lower end of the water tank 1, the tail end of an output shaft of the second hydraulic cylinder 51 penetrates through the side wall of the water tank 1 and is fixedly connected with a supporting sheet 52, the output shaft of the second hydraulic cylinder 51 is dynamically and hermetically connected with the side wall of the lower end of the water tank 1 through a sealing ring 53, each sealing ring 53 is an O-shaped sealing ring, the first hydraulic cylinder 3 and the second hydraulic cylinder 51 are controlled by a controller, when the label is used for welding, a label workpiece to be welded is manually placed in the water tank 1 filled with clear water, one end of the label workpiece can be obliquely inserted under the pressurizing sheet 4 below the fixed block 2, the other end of the label workpiece is inserted and placed in the same way, the lower surface of the label workpiece is completely watered, only the welding seam is allowed to be exposed out of the water surface by 2-3mm, the two second hydraulic cylinders 51 can drive the supporting sheet 52 to move upwards, the middle of the label workpiece is slightly jacked up, and meanwhile, the four first hydraulic cylinders 3 can drive the pressurizing sheet 4 to move downwards and tightly press the four corners of the label workpiece, so that certain reversible deformation is caused.

Wherein, an air-cooled tube 6 and two water-cooled tubes 7 are arranged between the two jacking mechanisms 5, the air-cooled tube 6 is arranged at the axle center of the lower end side wall of the water tank 1, the air-cooled tube 6 penetrates through the lower end side wall of the water tank 1 and is fixedly connected with the lower end side wall, one end of the air-cooled tube 6 far away from the water tank 1 is fixedly connected and communicated with the output end of a fan, the two water-cooled tubes 7 both penetrate through the lower end side wall of the water tank 1 and are fixedly connected with the lower end side wall of the water tank 1, one end of the water-cooled tube 7 far away from the water tank 1 is fixedly connected and communicated with the output end of a water pump, the input end of the water pump is communicated with cooling water, both the fan and the water pump can be fixedly connected on the ground, by arranging the air-cooled tube 6 and the water-cooled tube 7, when, and then welding the label workpiece by using a 0.8mm small-diameter welding wire to reduce heat input, and then adopting a corresponding welding sequence for preventing welding deformation, namely welding from the middle to the periphery in a segmented manner, thereby effectively avoiding welding deformation, reducing the post-welding deformation adjusting process, saving time and labor and improving the efficiency.

In the utility model, before the welding is used, clear water can be injected into the water tank 1 firstly, thereby utilizing the high specific heat and heat conduction mode of water, reducing the heat residue in the label workpiece, effectively reducing the welding deformation, when the welding is used, the label workpiece to be welded is manually placed in the water tank 1 injected with clear water, when the label workpiece is placed, one end of the label workpiece is inserted under the pressurizing sheet 4 under the fixed block 2, then the other end of the label workpiece is inserted and placed in the same way, at the moment, the lower surface of the label workpiece is completely watered, only the welding seam is allowed to expose 2-3mm of the water surface, two second hydraulic cylinders 51 can drive the pressurizing sheet 52 to move upwards, the middle of the support sheet of the label workpiece is jacked up slightly, simultaneously, four first hydraulic cylinders 3 can drive the pressurizing sheet 4 to move downwards and tightly press at four corners of the label workpiece, causing certain deformation, the middle part is separated from the water surface part, water can be sprayed through the water cooling pipe 7 to forcibly cool the water, the air cooling pipe 6 is used for forcibly cooling the air, then a 0.8mm small-diameter welding wire is used for welding the label workpiece, the heat input is reduced, and the corresponding welding sequence for preventing welding deformation is adopted, namely the welding is performed from the middle part to the periphery in a segmented mode, so that the welding deformation is effectively avoided, the post-welding deformation adjusting process is reduced, the time and the labor are saved, and the efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sheet metal welding anti-deformation device, includes water tank (1) that the opening set up, its characterized in that, equal fixedly connected with fixed block (2), four on the inner wall of four angle departments of water tank (1) equal first hydraulic cylinder of fixedly connected with (3) on the upper end lateral wall of fixed block (2), the terminal of first hydraulic cylinder (3) output shaft all runs through the lateral wall and the fixedly connected with of fixed block (2) and adds preforming (4), the intermediate position of the bottom of water tank (1) is equipped with two jack-up mechanisms (5), two be equipped with between jack-up mechanism (5) forced air cooling pipe (6) and two water-cooled tubes (7).

2. The sheet welding deformation prevention device according to claim 1, wherein supporting legs (8) are fixedly connected to the lower end side walls of four corners of the water tank (1), and gaskets (9) are fixedly connected to the lower end side walls of the supporting legs (8).

3. The deformation preventing device for the sheet welding of claim 1, wherein the jacking mechanism (5) comprises a second hydraulic cylinder (51) fixedly connected to the side wall of the lower end of the water tank (1), and the tail end of the output shaft of the second hydraulic cylinder (51) penetrates through the side wall of the water tank (1) and is fixedly connected with a supporting sheet (52).

4. The deformation preventing device for the sheet welding of claim 3, wherein the output shaft of the second hydraulic cylinder (51) is dynamically and hermetically connected with the side wall of the lower end of the water tank (1) through a sealing ring (53).

5. The sheet welding deformation preventing device according to claim 1, wherein the air-cooled pipe (6) is arranged at the axis of the lower end side wall of the water tank (1), the air-cooled pipe (6) penetrates through the lower end side wall of the water tank (1) and is fixedly connected with the lower end side wall, and one end, far away from the water tank (1), of the air-cooled pipe (6) is fixedly connected with and communicated with the output end of the fan.

6. The sheet welding deformation preventing device according to claim 1, wherein two water cooling pipes (7) penetrate through and are fixedly connected with the side wall of the lower end of the water tank (1), and one ends of the water cooling pipes (7) far away from the water tank (1) are fixedly connected and communicated with the output end of a water pump.