Tool for welding concrete civil air defense door leaf steel frame

Abstract

The utility model provides a tool for welding a concrete civil air defense door leaf steel frame, and solves the problem of low welding efficiency in the prior art. The tool for welding comprises a welding machine, a welding gun and a frame-shaped platform, an annular sliding groove is formed in the frame-shaped platform, arc-shaped transition plates are arranged at the intersections of the adjacent edges of the frame-shaped platform, three-face angle plates are fixed to the sides, close to the center of the frame-shaped platform, of the transition plates, and the four three-face angle plates form a fixing area for fixing a door leaf. A support is arranged in the sliding groove in a sliding mode through a driving device, the support is connected with a welding gun, the welding end of the welding gun faces the fixing area, and a gas collecting device corresponding to the welding gun is arranged below the frame-shaped platform. According to the utility model, the welding device can easily reach each welding point of the frame of the door leaf through the matching of the bracket and the sliding chute, so that the welding device can move along a preset path, and the welding precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense door processing, in particular to a tooling for welding a concrete civil air defense door leaf 5 steel frame. Background Art

[0002] During the production process of concrete civil air defense door leaf, the door leaf steel frame and door leaf panel need to be assembled and welded. Currently, manual welding is generally required. Manual welding may cause problems such as incomplete root melting and gas slag inclusion, which will affect the strength and durability of the welded parts. Although the traditional manual welding method can detect poor welding such as bad welding points or leaking welding in time, the work efficiency is low, and the gas generated during welding is harmful to the human body.

[0003] A Chinese patent with application number 202122264768.8 discloses a welding device for preparing civil air defense doors. The welding device welds the welds at designated positions on the civil air defense doors by moving a support arm and an automatic welding device. This is different from the traditional manual handheld welding method, which improves the efficiency of welding civil air defense doors. The above scheme has the following disadvantages: only one side of the civil air defense door can be welded during welding. When the civil air defense door needs to be welded circumferentially, the civil air defense door needs to be manually rotated so that the side of the civil air defense door that needs to be welded is close to the position of the welding gun. In addition, the length, width and height of the civil air defense door are not the same, so the welding device also needs to adjust the position of the civil air defense door and the moving range of the welding device, which greatly takes up the welding time, and the gas and spattered welding slag generated during welding cannot be processed, and there will still be problems of environmental pollution. Utility Model Content

[0004] The utility model provides a tool for welding a steel frame of a concrete civil air defense door leaf, which solves the problem of low welding efficiency in the prior art.

[0005] The technical solution of the utility model is achieved in this way:

[0006] The tooling for welding the steel frame of the concrete civil air defense door leaf includes a welding machine, a welding gun and a frame platform. The frame platform is provided with an annular slide groove. The intersections of the adjacent sides of the frame platform are provided with arc-shaped transition plates. The transition plates are fixed with three-sided angle plates on one side close to the center of the frame platform. The four three-sided angle plates form a fixed area for fixing the door leaf. A bracket slides in the slide groove through a driving device. The bracket is connected to a welding gun. The welding end of the welding gun faces the fixed area. A gas collecting device corresponding to the welding gun is provided under the frame platform.

[0007] Furthermore, a plurality of C-shaped fixing clamps are arranged around the door leaf, the cross section of the top of the fixing clamp is a trapezoid, the bottom of the fixing clamp is screwed with a bolt, the small end of the bolt can be against the bottom surface of the door leaf, one side of the fixing clamp is an ascending inclined edge, and the other side is a descending inclined edge, the ascending inclined edge and the descending inclined edge are both transitionally connected to the top surface of the door leaf, the bracket is connected with an elastic telescopic device, the elastic telescopic device can move the welding gun up and down, one side of the welding gun is connected with an ascending universal wheel, and the other side is provided with a descending universal wheel, the ascending universal wheel and the descending universal wheel can move along the ascending inclined edge and the descending inclined edge. The inclined edge design of the fixing clamp enables the fixing clamp to not only firmly clamp the door leaf and the panel, but also play a guiding role when the welding device moves.

[0008] Furthermore, a track is provided below the frame-shaped platform, and the gas collecting device includes a welding fume collector. The welding machine and the welding fume collector both move on the track. The welding fume collector is connected to a V-shaped air intake pipe through a hose, and the end of the air intake pipe away from the hose is an air inlet. The air intake pipe is fixedly connected to the bracket through a connecting rod, and a slag discharge port is provided at the bottom end of the air intake pipe. The slag discharge port is rotatably provided with a sealable baffle. Through the welding fume collector, harmful gases generated during welding can enter the welding fume collector through the hose for filtering and treatment, thereby greatly reducing the harm of harmful gases to the environment and operators.

[0009] Furthermore, the frame-type platform includes four transition plates and four or more straight-side plates, the transition plates and the straight-side plates are fixed by clamping through the connecting plate, the bottoms of the four transition plates are connected to each other by a screw rod telescopic mechanism, the screw rod slider mechanism includes a screw rod, a plurality of sliders are rotated on the screw rod, the sliders correspond to the straight-side plates one by one, and the sliders are fixed by clamping with the bottom surface of the straight-side plates. Connecting and adjusting the transition plates and the straight-side plates by the screw rod slider mechanism provides great flexibility, so that the fixing area can be quickly adjusted according to door panels of different specifications.

[0010] Furthermore, the driving device includes a driving motor fixed on the bracket, the output end of the driving motor moves on the outer wall of the frame-shaped platform through a driving wheel, and one end of the bracket placed in the slide groove rotates with a driven wheel. By the driving wheel moving on the outer wall of the frame-shaped platform, it is ensured that the bracket can move stably along the track, thereby improving the efficiency of the welding operation.

[0011] Furthermore, the elastic telescopic device includes a connecting rod fixed to the top of the bracket, a sleeve is fixed to the end of the connecting rod away from the bracket, a sliding rod is keyed in the sleeve, a baffle is provided at the bottom of the sliding rod, a positioning nut is connected to the sliding rod above the sleeve, a spring is provided between the baffle and the sliding rod, and a welding gun is fixed to the bottom surface of the baffle. By adjusting the positioning nut, the height of the welding gun can be easily adjusted to meet the welding requirements of door panels of different thicknesses. Beneficial Effects

[0012] The cooperation of the bracket and the slide groove of the utility model enables the welding device to easily reach each welding point of the frame of the door leaf, so that the welding device can move along the preset path, thereby improving the accuracy of welding. The welding smoke vacuum cleaner and the suction pipe can effectively collect and filter the harmful gases and metal splashes generated during the welding process, protect the health of the operators, and improve the safety of the working environment. The straight edge plate and the transition plate are driven to move by the movement of the screw rod mechanism and the slider, and then the straight edge plates are spliced ​​into different lengths through the connecting plate, so that the track can be adjusted to achieve the effect of adapting to door leaves of different welding specifications. The fixed area formed by the annular slide groove and the three-sided angle plate allows the welding gun to move along the periphery of the frame of the door leaf, thereby ensuring the high efficiency of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the working state of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 for Figure 3 A-direction sectional view;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the gas collecting device of the utility model;

[0019] Figure 6 for Figure 1 The enlarged view of point A in the middle;

[0020] Figure 7 for Figure 2 The enlarged view of point B in the middle;

[0021] Figure 8 It is a structural schematic diagram of the connecting plate of the utility model.

[0022] Among them: 1. frame platform, 2. slide, 3. transition plate, 4. three-sided angle plate, 5. door leaf, 6. bracket, 7. welding gun, 8. gas collecting device, 9. fixing clamp, 10. bolt, 11. rising inclined edge, 12. rising universal wheel, 13. track, 14. welding fume vacuum cleaner, 15. suction pipe, 16. slag discharge port, 17. straight edge plate, 18. connecting plate, 19. screw, 20. slider, 21. driving motor, 22. driving wheel, 23. driven wheel, 24. connecting rod, 25. sleeve, 26. sliding rod, 27. positioning nut, 28. baffle. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-4 As shown, the embodiment of the utility model provides a tool for welding a steel frame of a concrete civil air defense door leaf, comprising: a welding machine, a welding gun 7 and a frame-type platform 1, the frame-type platform 1 is provided with an annular chute 2, the intersection of adjacent edges of the frame-type platform 1 is provided with an arc-shaped transition plate 3, the transition plate 3 is fixed with a three-sided angle plate 4 on one side close to the center of the frame-type platform 1, and the four three-sided angle plates 4 form a fixed area for fixing the door leaf 5, a bracket 6 is slidable in the chute 2 through a driving device, the bracket 6 is connected to a welding gun 7, the welding end of the welding gun 7 faces the fixed area, and a gas collecting device 8 corresponding to the welding gun 7 is provided below the frame-type platform 1. The welding machine, welding gun 7 and three-sided angle plate 4 are all prior art.

[0025] During use, the frame of the door leaf 5 is placed in the fixed area so that the welding end of the welding gun 7 corresponds to the position where the frame of the door leaf 5 needs to be welded, and the driving device is started. The driving device drives the welding gun 7 to move along the slide groove 2 through the bracket 6, and at the same time, the gas collecting device 8 under the welding device is opened. The gas collecting device 8 absorbs and filters the dust and other harmful gases generated by welding. The three-sided angle plate 4 is preferably fixed at the center of the transition plate 3. By setting the three-sided angle plate 4 at the center of the transition plate 3, the welding gun 7 can be more closely fitted to the right-angle side of the frame of the door leaf 5, and right-angle welding can be achieved. Limit switches can be set at both ends of the transition plate 3 connected to the straight edge plate 17. The limit switch is electrically connected to the welding device. When the bracket 6 moves into the transition plate 3, the limit switch turns off the welding device. When the bracket 6 moves out of the transition plate 3, the limit switch turns on the welding device. By setting the limit switch, the welding device can be prevented from continuously stacking and welding at the right angle of the frame of the door leaf 5, thereby improving the welding quality of the door leaf 5 and reducing the waste of resources.

[0026] The annular slide 2 enables the welding device to move along a preset path, thereby improving the welding accuracy. The frame of the door leaf 5 is supported and fixed by the three-sided angle plate 4, which reduces the time for manual adjustment and positioning and improves work efficiency. A gas collecting device 8 corresponding to the welding device is provided below the frame-shaped platform 1, which can absorb and filter dust and harmful gases generated during the welding process in real time, which not only protects the health of the operator but also reduces environmental pollution.

[0027] like Figure 4 , 6 As shown in Figures 7 and 8, a plurality of C-shaped fixing clips 9 are arranged around the door leaf 5. The cross section of the top of the fixing clip 9 is a trapezoid. A bolt 10 is passed through the bottom of the fixing clip 9. The small end of the bolt 10 can be against the bottom surface of the door leaf 5. One side of the fixing clip 9 is an ascending inclined edge 11, and the other side is a descending inclined edge. The ascending inclined edge 11 and the descending inclined edge are both transitionally connected to the top surface of the door leaf 5. The bracket 6 is connected to an elastic telescopic device, which can move the welding gun 7 up and down. One side of the welding gun 7 is connected to an ascending universal wheel 12, and the other side is provided with a descending universal wheel. The ascending universal wheel 12 and the descending universal wheel can move along the ascending inclined edge 11 and the descending inclined edge. The elastic telescopic device can be a gas spring, etc. The elastic telescopic device and the universal wheel are both prior art. The ascending universal wheel 12 and the descending universal wheel are on one side of the welding path. In order to prevent the door leaf 5 frame and the welded panel from moving relative to each other during welding, the bolt 10 at the bottom of the fixing clamp 9 is rotated so that the small end of the bolt 10 is against the bottom surface of the door leaf 5. The fixing clamp 9 can fix the door leaf 5 frame and the panel of the door leaf 5. When the welding device encounters the fixing clamp 9, the rising universal wheel 12 first is against the rising inclined edge 11. The rising universal wheel 12 continues to move along the rising inclined edge 11 and compresses the elastic telescopic device of the welding gun 7 to lift the welding gun 7. After the welding gun 7 passes through the fixing clamp 9, the descending universal wheel is against the inclined surface again, and cooperates with the elastic telescopic device to make the welding gun 7 fall slowly.

[0028] The rising inclined edge 11 and the falling inclined edge play a role of buffering and guiding, so that the welding gun 7 can be lifted and pass over the fixing clamp 9 and continue to move along the predetermined path. Through the setting of the fixing clamp 9, the frame and panel of the door leaf 5 are effectively fixed during the welding process, reducing the risk of relative movement of the frame and panel of the door leaf 5 during the welding process, thereby improving the accuracy and stability of welding. When encountering the fixing clamp 9, the universal wheel can first contact the inclined edge, and apply pressure to the welding gun 7 through the elastic telescopic device, so that the welding gun 7 can remain stable during the welding movement and prevent welding quality problems.

[0029] like Figure 1 and 5As shown, a track 13 is provided below the frame-type platform 1, and the gas collecting device 8 includes a welding fume dust collector 14. The welding machine and the welding fume dust collector 14 both move on the track 13. The welding fume dust collector 14 is connected to a V-shaped suction pipe 15 through a hose. The end of the suction pipe 15 away from the hose is an air inlet, which is fixedly connected to the bracket 6 through a connecting rod. A slag discharge port 16 is provided at the bottom end of the suction pipe 15, and a sealable baffle 28 is rotatably provided at the slag discharge port 16. The baffle 28 can be fixed to the suction pipe 15 by bolts 10 or by clamping. The air inlet can be set to a trumpet shape to increase the range of suction. The suction pipe 15 can be made of high temperature resistant material. The welding fume dust collector 14 is a prior art.

[0030] During the welding process, the welding smoke vacuum cleaner 14 is started, and the harmful gas is sucked from the air inlet through the suction force of the welding smoke vacuum cleaner 14. The metal splashes generated by welding will fall into the suction pipe 15 under the influence of gravity and suction. After the metal splashes enter the suction pipe 15, they will be deposited at the slag discharge port 16. The harmful gas is filtered and discharged by the welding smoke vacuum cleaner 14. The welding smoke vacuum cleaner 14 is a prior art. By regularly opening the baffle 28 and cleaning the metal splashes, the high temperature of the metal splashes can be effectively reduced to cause fires. Through the welding smoke vacuum cleaner 14 and the suction pipe 15, the harmful gas and metal splashes generated during the welding process can be effectively collected and filtered, which protects the health of the operators, reduces environmental pollution, and improves the safety of the working environment. By regularly cleaning the slag discharge port 16, the continuous operation of the dust collection system and the smooth progress of the welding operation can be ensured. The welding machine and the welding smoke vacuum cleaner 14 can move smoothly on the track 13, which makes the entire welding process continuous, reduces the downtime caused by equipment displacement, and thus improves production efficiency.

[0031] like Figure 3 and 8As shown, the frame-type platform 1 includes four transition plates 3 and four or more straight-side plates 17, the transition plates 3 and the straight-side plates 17 are both fixed by the connecting plate 18, the bottoms of the four transition plates 3 are connected to each other by the screw slider mechanism, the screw slider mechanism includes a screw 19, a plurality of sliders 20 are rotated on the screw 19, the sliders 20 correspond to the straight-side plates 17 one by one, and the sliders 20 are fixed by the bottom surface of the straight-side plates 17. The screw slider mechanism includes a screw 19, the two ends of the screw 19 are rotated on the bottom of the transition plate 3 through the connecting block, the slider 20 is provided with a screw hole matched with the screw 19, and the slider 20 can move along the screw 19 through the matching of the screw hole and the screw 19. A support rod is fixed to the bottom surface of the connecting block, and a fixed moving wheel is provided at the bottom of the support rod, which facilitates the movement of the platform. The screw slider mechanism and the moving wheel are both prior art, and one end of the screw 19 controls the rotation of the screw 19 through a hand wheel or a servo motor and other devices, thereby controlling the movement of the slider 20. The form of the clamping is not limited, as long as the transition plate 3 and the straight edge plate 17, the slider 20 and the straight edge plate 17 can be connected and fixed to each other.

[0032] like Figure 1-4 As shown, in order to facilitate the welding of door leaves 5 of different specifications, the slider 20 is driven to move by the screw in the screw slider mechanism, and the straight side plate 17 and the transition plate 3 are driven to move by the slider 20, and then the straight side plate 17 is spliced ​​into different lengths by the connecting plate 18, so that the track 13 can be adjusted to achieve the effect of adapting to door leaves 5 of different welding specifications, and by rotating the screw 19, the slider 20 will slide along the screw 19, thereby driving the straight side plate 17 to move, and then the connecting plate 18 is clamped and fixed to ensure the stable connection between the transition plate 3 and the straight side plate 17, so that the entire frame-type platform 1 can remain stable during the welding process. The screw slider mechanism can withstand the vibration during the welding process, ensuring stability and durability.

[0033] The driving device includes a driving motor 21 fixed on the bracket 6, the output end of the driving motor 21 moves on the outer wall of the frame platform 1 through the driving wheel 22, and the end of the bracket 6 placed in the slide 2 is rotated with a driven wheel 23. Through the driving motor 21 fixed on the bracket 6, and the connection between the output end of the driving motor 21 and the driving wheel 22, power can be provided for the welding device. The end of the bracket 6 placed in the slide 2 is rotated with the driven wheel 23. When the driving motor 21 is working, the driven wheel 23 rotates with the driving wheel 22 under the action of the friction force of the inner wall of the slide 2, so that the driving wheel 22 and the driven wheel 23 work together, further enhancing the stability and reliability of the entire driving device, and can reduce the direct contact between the operator and the machine, reducing the possible safety accidents during work.

[0034] like Figure 4 , 6As shown in Figure 7, the elastic telescopic device includes a connecting rod 24 fixed to the top of the bracket 6, a sleeve 25 is fixed to the end of the connecting rod 24 away from the bracket 6, a sliding rod 26 is keyed in the sleeve 25, a baffle 28 is provided at the bottom end of the sliding rod 26, a positioning nut 27 is screwed to the sliding rod 26 above the sleeve, a spring is provided between the baffle 28 and the sliding rod 26, and the welding gun 7 is fixed to the bottom surface of the baffle 28. In order to cope with different door leaf 5 heights and facilitate the rising inclined edge 11 and the falling inclined edge of the fixing clamp 9, a certain pressure can be provided to the welding gun 7 through the spring, the baffle 28 and the sliding rod 26, and the distance between the welding gun 7 and the door leaf 5 can be adjusted by the positioning nut 27, thereby improving the welding accuracy, and the sleeve 25 can be fixedly connected to the connecting rod 24 through the ball head and the ball socket, and the swingable and fixed characteristics of the ball head and the ball socket can form a certain angle between the welding gun 7 and the door leaf 5, thereby improving the welding quality. The ball head and the ball socket connection is a prior art.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Tooling for welding steel frame of concrete civil air defense door leaf, characterized by: The invention comprises a welding machine, a welding gun (7) and a frame-shaped platform (1), wherein an annular chute (2) is provided on the frame-shaped platform (1), arc-shaped transition plates (3) are provided at the intersections of adjacent sides of the frame-shaped platform (1), three-sided angle plates (4) are fixed on one side of the transition plate (3) close to the center of the frame-shaped platform (1), and the four three-sided angle plates (4) form a fixed area for fixing a door leaf (5), a bracket (6) is slidable in the chute (2) through a driving device, the bracket (6) is connected to a welding gun (7), and the welding end of the welding gun (7) faces the fixed area, and a gas collecting device (8) corresponding to the welding gun (7) is provided below the frame-shaped platform (1).

2. The tooling for welding the concrete civil air defense door leaf steel frame according to claim 1 is characterized in that: A plurality of C-shaped fixing clips (9) are arranged around the door leaf (5). The cross section of the top of the fixing clip (9) is trapezoidal. A bolt (10) is passed through the bottom of the fixing clip (9). The small end of the bolt (10) can be abutted against the bottom surface of the door leaf (5). One side of the fixing clip (9) is an ascending inclined edge (11), and the other side is a descending inclined edge. Both the ascending inclined edge (11) and the descending inclined edge are transitionally connected to the top surface of the door leaf (5). The bracket (6) is connected to an elastic telescopic device. The elastic telescopic device can move the welding gun (7) up and down. One side of the welding gun (7) is connected to an ascending universal wheel (12), and the other side is provided with a descending universal wheel. The ascending universal wheel (12) and the descending universal wheel can move along the ascending inclined edge (11) and the descending inclined edge.

3. The tooling for welding the concrete civil air defense door leaf steel frame according to claim 1 is characterized in that: A track (13) is provided below the frame-shaped platform (1). The gas collecting device (8) includes a welding fume extractor (14). The welding machine and the welding fume extractor (14) both move on the track (13). The welding fume extractor (14) is connected to a V-shaped air intake pipe (15) via a hose. The end of the air intake pipe (15) away from the hose is an air inlet. The air intake pipe (15) is fixedly connected to the bracket (6) via a connecting rod. A slag discharge port (16) is provided at the bottom end of the air intake pipe (15). The slag discharge port (16) is rotatably provided with a sealable baffle (28).

4. The tooling for welding the concrete civil air defense door leaf steel frame according to claim 1 is characterized in that: The frame-shaped platform (1) comprises four transition plates (3) and four or more straight-side plates (17), wherein the transition plates (3) and the straight-side plates (17) are both fixedly connected by a connecting plate (18), and the bottoms of the four transition plates (3) are connected to each other by a screw-slider mechanism, wherein the screw-slider mechanism comprises a screw (19), and a plurality of sliders (20) are rotatably mounted on the screw (19), wherein the sliders (20) correspond to the straight-side plates (17) one by one, and the sliders (20) are fixedly connected to the bottom surfaces of the straight-side plates (17).

5. The tooling for welding the steel frame of a concrete civil air defense door leaf according to claim 1 is characterized by: The driving device comprises a driving motor (21) fixed on a bracket (6); an output end of the driving motor (21) moves on an outer wall of the frame-shaped platform (1) via a driving wheel (22); and one end of the bracket (6) placed in the slide groove (2) is rotated with a driven wheel (23).

6. The tooling for welding the concrete civil air defense door leaf steel frame according to claim 2 is characterized by: The elastic telescopic device comprises a connecting rod (24) fixed to the top of the bracket (6); a sleeve (25) is fixed to the end of the connecting rod (24) away from the bracket (6); a sliding rod (26) is keyedly connected to the sleeve (25); a baffle (28) is provided at the bottom end of the sliding rod (26); a positioning nut (27) is connected to the sliding rod (26) above the sleeve; a spring is provided between the baffle (28) and the sliding rod (26); and the welding gun (7) is fixed to the bottom surface of the baffle (28).

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