Repair welding protection device for cab assembly welding

Abstract

The utility model provides a repair welding protective device for cab assembly welding, which comprises a worktable, a moving groove is arranged on the worktable, an electric screw is fixedly arranged in the moving groove, moving plates are sleeved on two sides of the electric screw in a threaded manner, the bottoms of the moving plates are movably arranged in the moving groove, and protective covers are arranged on two sides of the worktable in a sliding manner. By arranging the protective cover, a closed space can be formed during machining, welding slag and smoke dust are prevented from hurting operators, the connecting plate can drive the protective cover and the collecting funnel to move at the same time, a ventilation fan and a dust collector can achieve the internal ventilation effect, the smoke dust is absorbed, the view of the operators is not blocked, and the working efficiency is improved. Meanwhile, the ventilation fan can cool welding, so that the forming effect of the weldment is better; and through the cleaning assembly, when the protective cover moves, a toothed plate drives a transmission gear and a rotating gear to enable a cleaning brush to rotate, so that the surface of the workbench is cleaned, and residual welding slag on the workbench can fall into a cleaning hole.

Description

Technical Field

[0001] The utility model relates to the technical field of cab repair welding protection devices, in particular to a repair welding protection device for cab assembly welding. Background Art

[0002] Repair welding is a welding operation performed to repair defects in workpieces, such as cracks, wear, damage, etc. This type of welding can repair and reinforce the defective area of ​​the workpiece by adding welding materials. Repair welding can use the same or different materials as the workpiece to ensure that the repaired workpiece can meet the structural and functional requirements. During the repair welding process, the overall heat generated by the workpiece is relatively small, which can reduce deformation, cracks, discoloration and other problems caused by heat input. It is especially suitable for repairing delicate workpieces and those that cannot withstand high temperatures. In addition, the repair welding process can be used for many types of workpieces such as forgings, machined parts, castings, etc.

[0003] Publication No. "CN217291063U" provides a repair welding protection device for cab welding, including a protective plate, a mobile platform installed at the top center of the protective plate, the two sides of the bottom center of the mobile platform are slidably connected to the protective plate through two I-shaped slide bars, the bottom center of the mobile platform is slidably connected to the protective plate through pulleys, the top center of the mobile platform is fixedly connected to a console, and the bottom of the center of the inner wall of the console is installed with an electric cylinder assembly. The utility model has two folding slots symmetrically opened at the bottom of the protective plate, folding legs are installed in the folding slots, and a moving block, a pin shaft, a sliding support block and a hinged rod are provided between the folding legs and the folding slots. The above structure can support the protective plate when the welding gun assembly is performing repair welding work to ensure stability during work. When the work is finished, the folding legs can be stored in the folding slots to reduce space occupation. It is convenient to use and safe, stable and reliable.

[0004] However, the above technical solutions and the prior art have the following defects:

[0005] The protective device in the above scheme is easy to use, safe and stable. However, during the repair welding process, a large amount of sparks, smoke, welding slag and other substances are often generated due to high temperature, which will not only pollute the processing environment, but also may affect the health of the workers and harm their bodies. Utility Model Content

[0006] The utility model aims to provide a repair welding protection device for cab assembly welding to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A repair welding protection device for cab assembly welding, comprising a workbench, a movable groove is provided on the workbench, an electric screw is fixedly arranged in the movable groove, the threads on both sides of the electric screw are in opposite directions, movable plates are threadedly sleeved on both sides of the electric screw, the bottom of the movable plate is movably arranged in the movable groove, and protective covers are slidably arranged on both sides of the workbench;

[0009] A clamping assembly, which is arranged on the movable plate and is used to clamp and fix the workpiece to be welded so that the workpieces to be welded on both sides are kept butted against each other;

[0010] A ventilation assembly, which is arranged on the protective cover and the workbench and is used to vacuum and clean the smoke and dust generated during the welding process;

[0011] A cleaning component is arranged inside the workbench and is used for cleaning welding slag on the surface of the workbench.

[0012] Preferably, the clamping assembly includes a rotating motor fixedly arranged on a movable plate, a fixed plate fixedly arranged on one side of the rotating motor, a lower clamping block fixedly arranged on one side of the fixed plate, an upper clamping block and a lower pressing block slidably arranged on one side of the fixed plate, the upper clamping block and the lower pressing block are fixedly connected by a spring, a guide rod is fixedly arranged on one side of the upper clamping block through the lower pressing block, one side of the lower pressing block is rotatably connected to a screw, a fixed block is provided on a threaded sleeve on the screw, and the fixed block is fixedly arranged on the fixed plate.

[0013] Preferably, the ventilation assembly includes a filter plate fixedly arranged on the top of the protective cover, a ventilation fan is fixedly arranged on the top of the filter plate, second electric screws are fixedly arranged on both sides of the workbench, a connecting plate is threadedly sleeved on the second electric screw, one side of the connecting plate is fixedly connected to the protective cover, and the side of the connecting plate away from the protective cover is fixedly connected to the collecting funnel, the collecting funnel is slidably arranged at the bottom of the workbench, a vacuum cleaner is fixedly arranged at the bottom of the collecting funnel, and the collecting funnel is connected to the vacuum cleaner.

[0014] Preferably, the cleaning assembly includes a rotating gear fixedly arranged in the workbench, the rotating gear passes through the top of the workbench and is fixedly connected to the cleaning brush, the bottom of the cleaning brush is in movable contact with the surface of the workbench, a transmission gear is rotatably arranged in the workbench, the transmission gear and the rotating gear are meshed with each other, and tooth plates are fixedly arranged at the bottom of both sides of the protective cover, and the tooth plates can mesh with the transmission gears.

[0015] Preferably, a plurality of cleaning holes are evenly arranged on the workbench.

[0016] Preferably, the protective cover is made of a transparent eye-protecting material, and operation holes are opened on both sides of the protective cover.

[0017] Preferably, a plurality of pulleys are fixedly arranged on the bottom of the vacuum cleaner.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model can form a closed space during processing by setting a protective cover to prevent welding slag and smoke from causing harm to the operator. The connecting plate can drive the protective cover and the collecting funnel to move at the same time, so that the ventilation fan and the vacuum cleaner can form a ventilation effect inside, so that the smoke is absorbed and does not block the vision of the staff. At the same time, the ventilation fan can also cool the welding to make the weldment forming effect better.

[0020] 2. The utility model uses a cleaning component, and when the protective cover moves, the tooth plate drives the transmission gear and the rotating gear to rotate the cleaning brush, thereby cleaning the surface of the workbench, so that the welding slag remaining on the workbench can fall into the cleaning hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the utility model;

[0023] Figure 3 It is a three-dimensional schematic diagram of the clamping assembly structure of the utility model;

[0024] Figure 4 It is a three-dimensional schematic diagram of the ventilation component structure of the utility model;

[0025] Figure 5 It is a three-dimensional schematic diagram of the cleaning component structure of the utility model.

[0026] In the figure: 1. workbench; 2. moving groove; 3. electric screw; 4. moving plate; 5. protective cover; 6. rotating motor; 7. fixed plate; 8. lower clamping block; 9. upper clamping block; 10. lower pressure block; 11. spring; 12. guide rod; 13. screw; 14. fixed block; 15. filter plate; 16. ventilation fan; 17. second electric screw; 18. connecting plate; 19. collecting funnel; 20. vacuum cleaner; 21. rotating gear; 22. cleaning brush; 23. transmission gear; 24. tooth plate; 25. cleaning hole; 26. operation hole; 27. pulley. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 , the utility model provides a technical solution:

[0029] Embodiment 1:

[0030] A repair welding protection device for cab assembly welding, comprising a workbench 1, a plurality of cleaning holes 25 are evenly opened on the workbench 1, a moving groove 2 is opened on the workbench 1, an electric screw 3 is fixedly arranged in the moving groove 2, the threads on both sides of the electric screw 3 are in opposite directions, a moving plate 4 is threadedly sleeved on both sides of the electric screw 3, the bottom of the moving plate 4 is movably arranged in the moving groove 2, protective covers 5 are slidably arranged on both sides of the workbench 1, the protective covers 5 are made of transparent eye protection material, and operation holes 26 are opened on the protective covers 5 on both sides;

[0031] In this embodiment, the cleaning hole 25 allows smoke and welding slag to pass through, the electric screw 3 can drive the moving plate 4 to move relatively in the moving groove 2, the protective cover 5 can slide on the workbench 1, and the protective covers 5 on both sides can fit together to form a protective space when they are in contact, and the operation hole 26 allows the operator to wear protective gloves to enter and perform welding operations inside;

[0032] A clamping assembly, which is arranged on the movable plate 4 and is used to clamp and fix the workpiece to be welded so that the workpieces to be welded on both sides are kept butted;

[0033] A ventilation assembly, which is arranged on the protective cover 5 and the workbench 1 and is used to vacuum and clean the smoke and dust generated during the welding process;

[0034] A cleaning component is arranged inside the workbench 1 and is used to clean welding slag on the surface of the workbench 1 .

[0035] Embodiment 2:

[0036] On the basis of the first embodiment, this embodiment describes one of the implementable structures of the clamping assembly, the clamping assembly includes a rotating motor 6 fixedly arranged on the movable plate 4, a fixed plate 7 is fixedly arranged on one side of the rotating motor 6, a lower clamping block 8 is fixedly arranged on one side of the fixed plate 7, an upper clamping block 9 and a lower pressing block 10 are slidably arranged on one side of the fixed plate 7, the upper clamping block 9 and the lower pressing block 10 are fixedly connected by a spring 11, a guide rod 12 is fixedly arranged on one side of the upper clamping block 9 through the lower pressing block 10, one side of the lower pressing block 10 is rotatably connected with a screw 13, a fixed block 14 is threadedly sleeved on the screw 13, and the fixed block 14 is fixedly arranged on the fixed plate 7;

[0037] In this embodiment, the rotating motor 6 can drive the fixed plate 7 to rotate, and the welding angle can be adjusted to facilitate the operator to perform welding and repair welding. The upper clamping block 9 and the lower clamping block 8 on the fixed plate 7 can clamp and fix the weldment. The lower pressing block 10 can be pressed down by rotating the screw 13 to make the upper clamping block 9 close to the lower clamping block 8. The guide rod 12 plays a guiding and fixing role, and the spring 11 can buffer the pressure to prevent damage to the weldment.

[0038] Embodiment three:

[0039] On the basis of the first embodiment, this embodiment describes one of the implementable structures of the ventilation assembly, the ventilation assembly includes a filter plate 15 fixedly arranged on the top of the protective cover 5, a ventilation fan 16 is fixedly arranged on the top of the filter plate 15, and second electric screws 17 are fixedly arranged on both sides of the workbench 1, and a connecting plate 18 is threadedly sleeved on the second electric screw 17, one side of the connecting plate 18 is fixedly connected to the protective cover 5, and the side of the connecting plate 18 away from the protective cover 5 is fixedly connected to the collecting funnel 19, the collecting funnel 19 is slidably arranged at the bottom of the workbench 1, and a vacuum cleaner 20 is fixedly arranged at the bottom of the collecting funnel 19, the collecting funnel 19 is connected to the vacuum cleaner 20, and a plurality of pulleys 27 are fixedly arranged at the bottom of the vacuum cleaner 20;

[0040] In this embodiment, the filter plate 15 can filter dust in the air to prevent it from affecting the weldment. The ventilation fan 16 can pass air into the protective cover 5. At the same time, the vacuum cleaner 20 at the bottom sucks out the gas in the protective cover 5 to form a ventilation effect, so that the smoke generated by welding will not affect the welding. At the same time, the ventilation fan 16 can also cool the weldment to achieve a better molding effect. The second electric screw 17 can drive the connecting plate 18 to move, so that the connecting plate 18 simultaneously drives the collecting funnel 19 and the protective cover 5 to move, so that the ventilation effect is better.

[0041] Embodiment 4:

[0042] On the basis of the first embodiment, this embodiment describes one of the implementable structures of the cleaning assembly, the cleaning assembly includes a rotating gear 21 fixedly arranged in the workbench 1, the rotating gear 21 passes through the top of the workbench 1 and is fixedly connected to the cleaning brush 22, the bottom of the cleaning brush 22 is in active contact with the surface of the workbench 1, a transmission gear 23 is rotatably arranged in the workbench 1, the transmission gear 23 and the rotating gear 21 are meshed with each other, and tooth plates 24 are fixedly arranged at the bottom of both sides of the protective cover 5, and the tooth plates 24 can mesh with the transmission gear 23;

[0043] In this embodiment, an installation cavity is provided in the workbench 1, and a cleaning component is provided in the installation cavity. The cleaning brush 22 is cross-shaped, and four cleaning brushes are equidistantly provided on the workbench 1, so as not to hit the movable plate 4 when rotating. When the protective cover 5 moves, the tooth plate 24 at the bottom will contact and mesh with the transmission gear 23, thereby driving the transmission gear 23 to rotate, and the transmission gear 23 in turn drives the rotating gear 21 to rotate, thereby driving the cleaning brush 22 to rotate and clean, and the welding slag on the workbench 1 is cleaned out through the cleaning hole 25.

[0044] The electric screw 3, the rotating motor 6, the ventilation fan 16, the second electric screw 17 and the vacuum cleaner 20 are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art, and the specifications and models of the electric screw 3, the rotating motor 6, the ventilation fan 16, the second electric screw 17 and the vacuum cleaner 20 are well known to those skilled in the art and will not be described in detail here.

[0045] Working principle: When repair welding is required, the operator first fixes and clamps the workpieces to be welded between the lower clamping block 8 and the upper clamping block 9 on both sides, and then controls the electric screw 3 to make the movable plate 4 drive the workpieces to be welded on both sides to contact, so that the welding parts are connected. At this time, the operator first places the welding device inside the protective cover 5 on one side, and then controls the second electric screw 17 to drive the connecting plate 18 to move, so that the protective covers 5 and the collecting funnel 19 on both sides are in contact and fixed, and starts the ventilation fan 16 and the vacuum cleaner 20. After the operator puts on protective gloves, he puts his hand into the protective cover 5 through the operating hole 26 to perform welding and repair welding operations;

[0046] The smoke and welding slag generated during the repair welding will be blocked by the protective cover 5 to protect the health of the operator. The ventilation fan 16 can pass air into the protective cover 5, and the vacuum cleaner 20 at the bottom will suck out the gas in the protective cover 5 to form a ventilation effect, so that the smoke generated by welding will not affect the welding. At the same time, the ventilation fan 16 can also cool the weldment to make the forming effect better. The welding slag will fall from the cleaning hole 25 into the collecting funnel 19 and be cleaned up by the vacuum cleaner 20. When the welding is completed, the operator takes out his hand and controls the second electric screw 17 to drive the protective cover 5 and the collecting funnel 19 to move away. At this time, when the protective cover 5 moves, the toothed plate 24 at the bottom will contact and mesh with the transmission gear 23, thereby driving the transmission gear 23 to rotate, and the transmission gear 23 drives the rotating gear 21 to rotate, thereby driving the cleaning brush 22 to rotate and clean, and the welding slag on the workbench 1 is cleaned out through the cleaning hole 25.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A repair welding protection device for cab assembly welding, comprising a workbench (1), characterized in that: The workbench (1) is provided with a movable groove (2), an electric screw (3) is fixedly arranged in the movable groove (2), the threads on both sides of the electric screw (3) are in opposite directions, movable plates (4) are threadedly sleeved on both sides of the electric screw (3), the bottom of the movable plate (4) is movably arranged in the movable groove (2), and protective covers (5) are slidably arranged on both sides of the workbench (1); A clamping assembly, the clamping assembly being arranged on the movable plate (4) and being used to clamp and fix the workpiece to be welded so that the workpieces to be welded on both sides are kept butted against each other; A ventilation assembly, the ventilation assembly being arranged on the protective cover (5) and the workbench (1) and being used for vacuuming and cleaning the smoke and dust generated during the welding process; A cleaning component is arranged inside the workbench (1) and is used to clean welding slag on the surface of the workbench (1).

2. The repair welding protection device for cab assembly welding according to claim 1 is characterized in that: The clamping assembly comprises a rotating motor (6) fixedly arranged on a movable plate (4); a fixed plate (7) is fixedly arranged on one side of the rotating motor (6); a lower clamping block (8) is fixedly arranged on one side of the fixed plate (7); an upper clamping block (9) and a lower pressing block (10) are slidably arranged on one side of the fixed plate (7); the upper clamping block (9) and the lower pressing block (10) are fixedly connected via a spring (11); a guide rod (12) is fixedly arranged on one side of the upper clamping block (9) and passes through the lower pressing block (10); one side of the lower pressing block (10) is rotatably connected to a screw rod (13); a fixed block (14) is threadedly sleeved on the screw rod (13); and the fixed block (14) is fixedly arranged on the fixed plate (7).

3. The repair welding protection device for cab assembly welding according to claim 1 is characterized in that: The ventilation assembly comprises a filter plate (15) fixedly arranged on the top of the protective cover (5), a ventilation fan (16) fixedly arranged on the top of the filter plate (15), second electric screws (17) fixedly arranged on both sides of the workbench (1), a connecting plate (18) threadedly sleeved on the second electric screw (17), one side of the connecting plate (18) fixedly connected to the protective cover (5), the side of the connecting plate (18) away from the protective cover (5) fixedly connected to a collecting funnel (19), the collecting funnel (19) slidably arranged at the bottom of the workbench (1), a dust collector (20) fixedly arranged at the bottom of the collecting funnel (19), and the collecting funnel (19) is connected to the dust collector (20).

4. The repair welding protection device for cab assembly welding according to claim 1 is characterized in that: The cleaning assembly comprises a rotating gear (21) fixedly arranged in the workbench (1), the rotating gear (21) passing through the top of the workbench (1) and fixedly connected to a cleaning brush (22), the bottom of the cleaning brush (22) being in movable contact with the surface of the workbench (1), a transmission gear (23) being rotatably arranged in the workbench (1), the transmission gear (23) and the rotating gear (21) being meshed with each other, and tooth plates (24) being fixedly arranged at the bottom of both sides of the protective cover (5), the tooth plates (24) being able to mesh with the transmission gear (23).

5. The repair welding protection device for cab assembly welding according to claim 3 is characterized in that: A plurality of cleaning holes (25) are evenly arranged on the workbench (1).

6. The repair welding protection device for cab assembly welding according to claim 1 is characterized in that: The protective cover (5) is made of a transparent eye-protecting material, and operation holes (26) are opened on both sides of the protective cover (5).

7. The repair welding protection device for cab assembly welding according to claim 3 is characterized in that: A plurality of pulleys (27) are fixedly arranged at the bottom of the vacuum cleaner (20).

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