Limiting device for welding concave opening of fuel tank

Abstract

The utility model discloses a limiting device for welding a concave opening of a fuel tank. The limiting device comprises a frame, a connecting rod, a moving plate and a placing plate. By arranging the limiting plate, the first threaded rod and the supporting plate, the movable plate moves to drive the limiting plate to move, the limiting plate drives the limiting block to move when moving, and the limiting block moves to be matched with the limiting groove to conduct movement limiting on the limiting plate and the movable plate; therefore, the left side and the right side of the fuel tank can be clamped and limited conveniently, and the problem that in the using process, the fuel tank is prone to moving or shaking when not limited during welding, and consequently the position of a welding seam deviates or is not uniform is solved; the problems that the unstable welding state directly influences the forming quality of a welding seam, air holes, slag inclusion and other defects possibly occur, the welding stability is difficult to maintain, the working efficiency is reduced, and the working intensity of a welder is increased are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel tank processing welding technical field, concretely is a kind of fuel tank concave tank mouth welding limiting device. BACKGROUND

[0002] Fuel tank, i.e. fuel storage device, has high requirement on corrosion resistance;It should be sealed when gauge pressure is at least 0.03MPa under double working pressure;Overpressure generated must be reduced by hole or safety valve;Fuel should not flow from liquid filling sealing cover or pressure balancing device when driving on curve, on inclined road or under impact;Fuel tank must be installed away from engine to avoid igniting fuel in traffic accident;Concave tank mouth of fuel tank is an important component of fuel tank.

[0003] However, the prior art has some problems:

[0004] In use, fuel tank is not limited during welding, which is easy to move or shake, resulting in offset or uneven weld position;Such unstable welding state directly affects the forming quality of weld, may appear porosity, slag inclusion and other defects, and it is difficult to maintain the stability of welding, which not only reduces work efficiency, but also increases the work intensity of welder. UTILITY MODEL CONTENT

[0005] To solve the problems in the background art, the utility model aims to provide a fuel tank concave tank mouth welding limiting device, which has the advantage of clamping and limiting the fuel tank during welding, solves the problems of movement or shaking of fuel tank during welding without limiting, resulting in offset or uneven weld position;Such unstable welding state directly affects the forming quality of weld, may appear porosity, slag inclusion and other defects, and it is difficult to maintain the stability of welding, which not only reduces work efficiency, but also increases the work intensity of welder.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fuel tank concave tank mouth welding limiting device, comprising a frame, a connecting rod, a moving plate and a placing plate, the connecting rod is fixedly installed on the inner side of the frame, the moving plate is movably installed in the frame and is provided with four groups, the placing plate is fixedly installed on the inner wall bottom of the frame, the frame bottom is fixedly installed with support blocks and is provided with a plurality of, the frame is internally provided with a limiting assembly, and the left and right sides of the frame are fixedly installed with brake motors.

[0007] As the utility model is preferred, the limiting assembly includes a limiting groove, a limiting block and a limiting plate, the limiting groove is arranged on the front and rear sides of the inner wall of the frame, the limiting block is movably installed in the limiting groove, the limiting plate is movably installed in the frame, the outer side of the limiting plate is fixedly connected with the inner side of the limiting block, and the inner side of the limiting plate is fixedly connected with the outer side of the moving plate.

[0008] As the utility model is preferred, the brake motor is connected with a first threaded rod at the output end, a first connecting plate is fixedly installed at the bottom of the inner wall of the frame, and the other end of the first threaded rod penetrates the frame and the limiting plate from outside to inside and is movably connected with the outer side of the first connecting plate.

[0009] As the utility model is preferred, the moving plate is fixedly installed with a supporting plate, the supporting plate is fixedly installed with an adjusting motor at the outer side, the adjusting motor is connected with a second threaded rod at the output end, the moving plate is fixedly installed with a second connecting plate at the outer side and the top, and the other end of the second threaded rod is movably connected with the bottom of the second connecting plate.

[0010] As the utility model is preferred, the moving plate is movably installed with an adjusting plate at the inner wall and is threadedly connected with the surface of the second threaded rod, the adjusting plate is fixedly installed with a pressing plate at the side away from the second threaded rod, the pressing plate is fixedly installed with a protective pad at the bottom, the inner wall of the moving plate is provided with a movable groove at the front and rear sides, the movable groove is movably installed with a movable block at the inside, and the inner side of the movable block is fixedly connected with the outer side of the adjusting plate.

[0011] As the utility model is preferred, the placing plate is provided with a moving groove at the bottom, the moving groove is movably installed with a linkage plate at the left and right sides inside, and the outer side of the linkage plate is fixedly connected with the bottom of the inner side of the moving plate.

[0012] As the utility model is preferred, the frame is fixedly installed with a control panel at the right side, the control panel is fixedly installed with a control button at the right side, and the control button is electrically connected with the output ends of the brake motor and the adjusting motor through wires.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a limiting plate, first threaded rod and support plate are set up, and the limiting plate is moved and is driven to move through the moving plate, and the limiting plate is moved and drives the limiting block to move when moving, and the limiting plate and the moving plate are moved and are limited through the cooperation of the limiting block movement and the limiting groove, thereby facilitating the clamping and limiting of the left side and the right side of the fuel tank, the first threaded rod is rotated and is driven through the brake motor output, and the limiting plate and the moving plate are moved and are adjusted when the first threaded rod rotates, the left side and the right side of the fuel tank are clamped and limited through the moving plate movement, the support plate is installed to the adjusting motor and works, the second threaded rod is rotated and is driven through the adjusting motor output, and the adjusting plate and the pressing plate are moved downward through the second threaded rod rotation, and the fuel tank is pressed and is limited through the cooperation of the downward movement of the pressing plate and the protective pad, solve the problem that the fuel tank is not limited and is easy to move or shake when welding in the process of using, cause the position of the weld to deviate or uneven, this unstable welding state can directly influence the forming quality of the weld, and the gas hole, slag inclusion and other defects can appear, and it is difficult to keep the stability of welding, this not only reduces the work efficiency, but also increases the work intensity of the welder's problem, has the advantage that the fuel tank for welding work is clamped and limited.

[0015] 2. The utility model discloses a limiting assembly set up in the frame inside, and the limiting plate is moved and is driven to move through the moving plate movement, and the limiting block is moved and is driven to move through the limiting plate when moving, and the limiting plate and the moving plate are moved and are limited through the cooperation of the limiting block movement and the limiting groove, thereby facilitating the clamping and limiting of the left side and the right side of the fuel tank.

[0016] 3. The utility model discloses a first threaded rod set up at the brake motor output, and the first threaded rod is rotated and is driven through the brake motor output, and the limiting plate and the moving plate are moved and are adjusted when the first threaded rod rotates, and the left side and the right side of the fuel tank are clamped and limited through the moving plate movement. ACCURACY OF DRAWINGS

[0017] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Fig. 2 It is the frame cross section structure schematic diagram of the utility model;

[0019] Fig. 3 It is the moving plate cross section structure schematic diagram of the utility model.

[0020] In the diagram: 1. Frame; 2. Connecting rod; 3. Moving plate; 4. Placement plate; 5. Support block; 6. Limiting component; 61. Limiting groove; 62. Limiting block; 63. Limiting plate; 7. Brake motor; 8. First threaded rod; 9. First connecting plate; 10. Support plate; 11. Adjusting motor; 12. Second threaded rod; 13. Second connecting plate; 14. Adjusting plate; 15. Pressing plate; 16. Protective pad; 17. Movable groove; 18. Movable block; 19. Moving groove; 20. Linkage plate; 21. Control plate; 22. Control button. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figs. 1 to 3 As shown, the present invention provides a limiting device for welding the concave opening of a fuel tank, comprising a frame 1, a connecting rod 2, a movable plate 3, and a placement plate 4. The connecting rod 2 is fixedly installed inside the frame 1. The movable plate 3 is movably installed inside the frame 1 and is provided in four sets. The placement plate 4 is fixedly installed at the bottom of the inner wall of the frame 1. A support block 5 is fixedly installed at the bottom of the frame 1 and is provided in several sets. A limiting component 6 is provided inside the frame 1. A brake motor 7 is fixedly installed on both the left and right sides of the frame 1.

[0023] refer to Fig. 2 The limiting component 6 includes a limiting groove 61, a limiting block 62, and a limiting plate 63. The limiting groove 61 is opened on the front and rear sides of the inner wall of the frame 1. The limiting block 62 is movably installed inside the limiting groove 61. The limiting plate 63 is movably installed inside the frame 1. The outer side of the limiting plate 63 is fixedly connected to the inner side of the limiting block 62. The inner side of the limiting plate 63 is fixedly connected to the outer side of the movable plate 3.

[0024] As a technical optimization of this utility model, the limiting component 6 set inside the frame 1 moves the limiting plate 63 by moving the moving plate 3. When the limiting plate 63 moves, it drives the limiting block 62 to move. The limiting block 62 moves and cooperates with the limiting groove 61 to limit the movement of the limiting plate 63 and the moving plate 3, thereby facilitating the clamping and limiting of the left and right sides of the fuel tank.

[0025] refer to Fig. 2 The output end of the brake motor 7 is connected to a first threaded rod 8. A first connecting plate 9 is fixedly installed on the bottom of the inner wall of the frame 1. The other end of the first threaded rod 8 passes through the frame 1 and the limiting plate 63 from the outside to the inside and is movably connected to the outside of the first connecting plate 9.

[0026] As a technical optimization scheme of the utility model, through the first threaded rod 8 arranged at the output end of the brake motor 7, the first threaded rod 8 is rotated by the output end of the brake motor 7, and the first threaded rod 8 drives the limiting plate 63 and the moving plate 3 to move and adjust when rotating, and the moving plate 3 moves to clamp and limit the left side and the right side of the fuel tank.

[0027] Reference Fig. 3 The supporting plate 10 is internally fixedly installed in the moving plate 3, the adjusting motor 11 is fixedly installed outside the supporting plate 10, the second threaded rod 12 is in transmission connection with the output end of the adjusting motor 11, the second connecting plate 13 is fixedly installed at the top outside the moving plate 3, and the other end of the second threaded rod 12 is movably connected with the bottom of the second connecting plate 13.

[0028] As a technical optimization scheme of the utility model, the supporting plate 10 is arranged in the moving plate 3, the adjusting motor 11 is installed through the supporting plate 10, the second threaded rod 12 is rotated by the output end of the adjusting motor 11, the adjusting plate 14 and the pressing plate 15 are moved downward by the rotation of the second threaded rod 12, and the fuel tank is pressed and limited by the cooperation of the downward movement of the pressing plate 15 and the protective pad 16.

[0029] Reference Fig. 3 The adjusting plate 14 is movably installed on the inner wall of the moving plate 3 and is in threaded connection with the surface of the second threaded rod 12, the pressing plate 15 is fixedly installed on the side, away from the second threaded rod 12, of the adjusting plate 14, the protective pad 16 is fixedly installed at the bottom of the pressing plate 15, the movable grooves 17 are formed in the front side and the rear side of the inner wall of the moving plate 3, the movable blocks 18 are movably installed in the movable grooves 17, and the inner side of the movable block 18 is fixedly connected with the outer side of the adjusting plate 14.

[0030] As a technical optimization scheme of the utility model, the movable grooves 17 are arranged in the inner wall of the moving plate 3, the movable blocks 18 are moved by the movement of the adjusting plate 14, and the adjusting plate 14 is moved and limited by the cooperation of the movement of the movable blocks 18 and the movable grooves 17, so that the movement and limitation of the pressing plate 15 and the protective pad 16 are facilitated.

[0031] Reference Fig. 3 The movable slot 19 is formed in the bottom of the placing plate 4, the linkage plates 20 are movably installed in the left side and the right side in the movable slot 19, and the outer side of the linkage plate 20 is fixedly connected with the inner bottom of the moving plate 3.

[0032] As a technical optimization scheme of the utility model, the movable slot 19 is arranged in the bottom of the placing plate 4, the linkage plates 20 are movably installed in the movable slot 19, and the linkage plates 20 are moved by the movement of the moving plate 3, so that the fuel tank is placed by the cooperation of the linkage plates 20 and the placing plate 4.

[0033] Reference Fig. 2 and Fig. 3 The control panel 21 is fixedly installed on the right side of the frame 1, and the control button 22 is fixedly installed on the right side of the control panel 21.

[0034] As a technical optimization scheme of the utility model, the control panel 21 arranged on the right side of the frame 1 is used to start and stop the brake motor 7 and the adjusting motor 11 in cooperation with the control button 22.

[0035] The working principle and use process of the utility model are as follows: when in use, the fuel tank to be welded is placed on the top of the placing plate 4, the control button 22 is pressed to start the brake motor 7, the first threaded rod 8 is driven to rotate by the output end of the brake motor 7, the first threaded rod 8 drives the limiting plate 63 and the moving plate 3 to move and adjust when rotating, the limiting block 62 is driven to move by the movement of the limiting plate 63, the limiting plate 63 and the moving plate 3 are moved and limited by the cooperation of the limiting block 62 and the limiting groove 61, so that the left side and the right side of the fuel tank are clamped and limited, then the control button 22 is pressed to start the adjusting motor 11, the second threaded rod 12 is driven to rotate by the output end of the adjusting motor 11, the adjusting plate 14 and the pressing plate 15 are driven to move downward by the rotation of the second threaded rod 12, the fuel tank is pressed and limited by the cooperation of the downward movement of the pressing plate 15 and the protective pad 16, the movable block 18 is driven to move by the movement of the adjusting plate 14, the adjusting plate 14 is moved and limited by the cooperation of the movable block 18 and the movable groove 17, so that the pressing plate 15 and the protective pad 16 are moved and limited, the linkage plate 20 is driven to move by the movement of the moving plate 3, and the fuel tank is placed by the cooperation of the linkage plate 20 and the placing plate 4.

[0036] In conclusion: the limiting device for welding the concave tank mouth of the fuel tank, by setting the limiting plate 63, the first threaded rod 8 and the supporting plate 10, the limiting plate 63 is moved by the moving plate 3, the limiting block 62 is moved by the limiting plate 63, the limiting plate 63 and the moving plate 3 are limited by the cooperation of the limiting block 62 and the limiting groove 61, so as to facilitate the clamping and limiting of the left and right sides of the fuel tank, the first threaded rod 8 is rotated by the output end of the brake motor 7, the limiting plate 63 and the moving plate 3 are moved by the rotation of the first threaded rod 8, the left and right sides of the fuel tank are clamped and limited by the movement of the moving plate 3, the supporting plate 10 is installed on the adjusting motor 11, the second threaded rod 12 is rotated by the output end of the adjusting motor 11, the adjusting plate 14 and the pressing plate 15 are moved downward by the rotation of the second threaded rod 12, the fuel tank is pressed and limited by the cooperation of the downward movement of the pressing plate 15 and the protective pad 16, the problem that the fuel tank is not limited and is easy to move or shake during welding, which leads to the offset or uneven of the weld position, is solved; such unstable welding state will directly affect the forming quality of the weld, and may appear pores, slag inclusion and other defects, and it is difficult to maintain the stability of welding, which not only reduces the work efficiency, but also increases the work intensity of the welder.

[0037] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply these entities or actions have any such actual relationship or order. In addition, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A limiting device for welding of a concave tank mouth of a fuel tank, comprising a frame (1), a connecting rod (2), a moving plate (3) and a placing plate (4), characterized in that: The connecting rod (2) is fixedly installed inside the frame (1), the moving plate (3) is movably installed inside the frame (1) and is provided with four groups, the placing plate (4) is fixedly installed on the inner wall bottom of the frame (1), a plurality of support blocks (5) are fixedly installed on the bottom of the frame (1), a limiting assembly (6) is arranged inside the frame (1), and brake motors (7) are fixedly installed on the left side and the right side of the frame (1).

2. The limiting device for welding a concave tank mouth of a fuel tank according to claim 1, characterized in that: The limiting assembly (6) comprises a limiting groove (61), a limiting block (62) and a limiting plate (63), the limiting groove (61) is formed in the front side and the rear side of the inner wall of the frame (1), the limiting block (62) is movably installed inside the limiting groove (61), the limiting plate (63) is movably installed inside the frame (1), the outer side of the limiting plate (63) is fixedly connected with the inner side of the limiting block (62), and the inner side of the limiting plate (63) is fixedly connected with the outer side of the moving plate (3).

3. A fuel tank recessed filler welding stop as defined in claim 2, wherein: The brake motor (7) is connected with a first threaded rod (8) at the output end, a first connecting plate (9) is fixedly installed on the inner wall bottom of the frame (1), and the other end of the first threaded rod (8) penetrates the frame (1) and the limiting plate (63) from outside to inside and is movably connected with the outer side of the first connecting plate (9).

4. The fuel tank recessed well welding stop of claim 1 wherein: The supporting plate (10) is fixedly installed inside the moving plate (3), the adjusting motor (11) is fixedly installed on the outer side of the supporting plate (10), the second threaded rod (12) is connected with the output end of the adjusting motor (11), the second connecting plate (13) is fixedly installed on the outer side top of the moving plate (3), and the other end of the second threaded rod (12) is movably connected with the bottom of the second connecting plate (13).

5. The fuel tank recessed well welding stop of claim 1 wherein: The adjusting plate (14) is movably installed on the inner wall of the moving plate (3) and is threadedly connected with the surface of the second threaded rod (12), the pressing plate (15) is fixedly installed on the side, away from the second threaded rod (12), of the adjusting plate (14), the protective pad (16) is fixedly installed on the bottom of the pressing plate (15), the movable grooves (17) are formed in the front side and the rear side of the inner wall of the moving plate (3), and the movable blocks (18) are movably installed in the movable grooves (17).

6. A fuel tank recessed filler welding stop according to claim 1 wherein: The movable grooves (19) are formed in the bottom of the placing plate (4), the linkage plates (20) are movably installed on the inner left side and the inner right side of the movable grooves (19), and the outer sides of the linkage plates (20) are fixedly connected with the inner bottom of the moving plate (3).

7. The fuel tank recessed well weld stop of claim 1 wherein: The control panel (21) is fixedly installed on the right side of the frame (1), the control button (22) is fixedly installed on the right side of the control panel (21), and the control button (22) is electrically connected with the output ends of the brake motor (7) and the adjusting motor (11) through wires.

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