Platform for civil air defense door welding

Abstract

The utility model discloses a civil air defense door welding platform which comprises a welding table and further comprises a pushing and pressing fixing mechanism and a driving and adjusting mechanism which are arranged on the welding table. The pushing and fixing mechanism comprises a supporting plate and a pushing rod, the supporting plate is connected to the driving adjusting mechanism, a pressing plate is rotationally arranged at the top end of the supporting plate, a hinge rod is hinged to one end of the pressing plate, a limiting plate is hinged to the tail end of the hinge rod, the pushing rod is arranged on the limiting plate, and the pushing rod movably penetrates through the supporting plate. A push plate is arranged at the tail end of the push rod, and a spring is arranged between the push plate and the supporting plate. The utility model belongs to the technical field of civil air defense door machining, and particularly relates to a platform for civil air defense door welding.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil air defense door processing, in particular to a platform for welding civil air defense doors. Background Art

[0002] Civil defense doors are civil defense protection equipment with high requirements for airtightness. In wartime, they can prevent chemical agents and biological warfare agents from entering the interior of the project from the entrance of the civil defense project. Therefore, welding of civil defense doors is a particularly important process.

[0003] The patent with announcement number CN215546309U discloses a civil air defense door welding platform, including a base frame, the outer wall of the base frame is fixedly connected to a motor, the motor is connected to a rotating rod 1, the rotating rod 1 is connected to a worm wheel through a worm, the center of the worm wheel is welded with a rotating rod 2, the rotating rod 2 is connected to a bevel gear 2 through a bevel gear 1, the center of the bevel gear 2 is welded with a screw 1, the top of the screw 1 is rotatably connected to the fixed frame, the outer wall of the screw 1 is threadedly connected to a support plate, the top surface of the support plate is provided with a slide groove, the inner wall of the slide groove is slidably connected to a slider, the top of the slider is fixedly connected to a blocking frame, one side of the top of the blocking frame is threadedly connected to screw 2, the other side of the top of the blocking frame is fixedly connected to a fixed rod, the upper part of the fixed rod is rotatably connected to a rotating plate, the front of the rotating plate is threadedly connected to screw 3, the bottom of the screw 3 is rotatably connected to a pressure plate, the welding height can be freely adjusted, welding is convenient, and civil air defense doors of different sizes can be positioned.

[0004] However, in the process of fixing the civil air defense door, the above device needs to adjust and fix multiple sets of retaining frames one by one, which is cumbersome to operate and is not conducive to improving the welding efficiency of the civil air defense door. Utility Model Content

[0005] The technical problem to be solved by the utility model is that in the process of fixing the civil air defense door with the existing device, multiple groups of retaining frames need to be adjusted and fixed one by one, which is relatively cumbersome and is not conducive to improving the welding efficiency of the civil air defense door.

[0006] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a platform for welding civil defense doors, including a welding table, and also including a pushing and fixing mechanism and a driving and adjusting mechanism arranged on the welding table; the pushing and fixing mechanism includes a support plate and a push rod, the support plate is connected to the driving and adjusting mechanism, the top end of the support plate is rotatably provided with a pressure plate, one end of the pressure plate is hingedly provided with a hinge rod, the end of the hinge rod is hingedly provided with a limit plate, the push rod is provided on the limit plate, the push rod movably passes through the support plate, the end of the push rod is provided with a push plate, and a spring is provided between the push plate and the support plate.

[0007] Furthermore, the driving adjustment mechanism includes an adjustment slot and a connecting plate, the adjustment slot is arranged in the welding table, a movable slot is penetrated on the top wall of the adjustment slot, a bidirectional screw rod is rotatably provided on the side wall of the adjustment slot, both ends of the bidirectional screw rod are threadedly connected with movable blocks, the connecting plate is slidably arranged in the movable slot, the connecting plate is parallelly arranged on both sides of the bidirectional screw rod, the support plate penetrates the movable slot and is connected to the connecting plate, and a support rod is hinged between the connecting plate and the movable block.

[0008] Furthermore, a mounting groove is provided on the top wall of the welding table, and a roller is rotatably provided in the mounting groove.

[0009] Furthermore, a cushion block is provided on the bottom wall of the pressure plate, the cushion block is made of rubber, and the cushion block is arranged away from the hinge rod.

[0010] Preferably, one end of the bidirectional lead screw is axially connected to a motor, and the motor is fixedly arranged on the side wall of the welding table.

[0011] Preferably, the spring is sleeved on the push rod.

[0012] The utility model adopts the above-mentioned structure to achieve the following beneficial effects: the utility model provides a platform for welding civil air defense doors, which can adjust the positions of the connecting plates on both sides by setting a bidirectional screw rod, cooperating with a movable block and a support rod, thereby changing the position of the supporting plates connected thereto, which is convenient for adjustment according to different types of civil air defense doors. By setting a push plate, a push rod and a hinged rod, the angle of the pressure plate can be adjusted in a linked manner, so that the civil air defense door is squeezed on both sides while being pressed by the top of the pressure plate, thereby improving the fixing effect of the civil air defense door and solving the problem of needing to adjust and fix multiple sets of retaining frames one by one, which is a relatively cumbersome operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structural diagram of a civil air defense door welding platform proposed by the utility model;

[0014] Figure 2 This is a side structural diagram of a platform for welding civil air defense doors proposed by the utility model;

[0015] Figure 3 The utility model is a cross-sectional view of an adjustment groove of a welding platform for civil air defense doors.

[0016] Among them, 1. welding table, 2. pushing and fixing mechanism, 3. driving and adjusting mechanism, 4. supporting plate, 5. pushing rod, 6. pressing plate, 7. hinged rod, 8. limiting plate, 9. pushing plate, 10. spring, 11. adjusting groove, 12. connecting plate, 13. movable groove, 14. bidirectional screw rod, 15. movable block, 16. supporting rod, 17. mounting groove, 18. roller shaft, 19. cushion block, 20. motor. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0018] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1-3 As shown, the utility model proposes a platform for welding civil air defense doors, including a welding platform 1, and also includes a pushing and fixing mechanism 2 and a driving and adjusting mechanism 3 arranged on the welding platform 1; the pushing and fixing mechanism 2 includes a supporting plate 4 and a pushing rod 5, the supporting plate 4 is connected to the driving and adjusting mechanism 3, the top of the supporting plate 4 is rotatably provided with a pressing plate 6, one end of the pressing plate 6 is hingedly provided with a hinge rod 7, the end of the hinge rod 7 is hingedly provided with a limiting plate 8, the pushing rod 5 is arranged on the limiting plate 8, the pushing rod 5 movably penetrates the supporting plate 4, and the end of the pushing rod 5 is provided with There is a push plate 9, and a spring 10 is provided between the push plate 9 and the support plate 4. The spring 10 is sleeved on the push rod 5. The civil defense door panel is placed on the welding table 1, and the driving adjustment mechanism 3 is started to drive multiple groups of support plates 4 to move toward the middle until the push plate 9 contacts the civil defense door panel and is squeezed. The spring 10 is compressed and drives the push rod 5 to move, so that one end of the pressure plate 6 is forced to move upward, and then the other end of the pressure plate 6 is pried downward and presses the civil defense door panel, thereby realizing the fixation of the civil defense door panel. There is no need for manual adjustment one by one, and it is convenient and fast to use.

[0020] like Figure 3As shown, the driving adjustment mechanism 3 includes an adjustment slot 11 and a connecting plate 12. The adjustment slot 11 is arranged in the welding table 1. A movable slot 13 is penetrated on the top wall of the adjustment slot 11. A bidirectional screw rod 14 is rotatably arranged on the side wall of the adjustment slot 11. One end of the bidirectional screw rod 14 is axially connected to a motor 20 and is fixedly arranged on the side wall of the welding table 1. Both ends of the bidirectional screw rod 14 are threadedly connected with movable blocks 15. The connecting plate 12 is slidably arranged in the movable slot 13. The connecting plate 12 is parallelly arranged on both sides of the bidirectional screw rod 14. The support plate 4 penetrates the movable slot 13 and is connected to the connecting plate 12. A support rod 16 is hinged between the connecting plate 12 and the movable block 15. The motor 20 is started to drive the bidirectional screw rod 14 to rotate, the bidirectional screw rod 14 drives the movable block 15 to move, and the movable block 15 drives the support rod 16 to move, thereby driving the connecting plate 12 to move, and adjusting the support plate 4.

[0021] A mounting groove 17 is also provided on the top wall of the welding platform 1, and a roller 18 is rotatably provided in the mounting groove 17 to facilitate pushing the civil air defense door panel to adjust its position.

[0022] A pad 19 is provided on the bottom wall of the pressure plate 6. The pad 19 is made of rubber and is arranged away from the hinge rod 7 to increase the friction between the pressure plate 6 and the civil defense door panel, improve the pressing effect, and at the same time avoid excessive pressure from the pressure plate 6 causing mark damage to the civil defense door panel.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A platform for welding civil air defense doors, comprising a welding table, characterized in that: It also includes a pushing and fixing mechanism and a driving and adjusting mechanism arranged on the welding table; the pushing and fixing mechanism includes a support plate and a push rod, the support plate is connected to the driving and adjusting mechanism, the top end of the support plate is rotatably provided with a pressure plate, one end of the pressure plate is hingedly provided with a hinge rod, the end of the hinge rod is hingedly provided with a limit plate, the push rod is provided on the limit plate, the push rod movably passes through the support plate, the end of the push rod is provided with a push plate, and a spring is provided between the push plate and the support plate.

2. The civil air defense door welding platform according to claim 1, characterized in that: The driving adjustment mechanism includes an adjustment slot and a connecting plate. The adjustment slot is arranged in the welding table. A movable slot is penetrated on the top wall of the adjustment slot. A bidirectional screw rod is rotatably provided on the side wall of the adjustment slot. Both ends of the bidirectional screw rod are threadedly connected with movable blocks. The connecting plate is slidably arranged in the movable slot. The connecting plate is parallelly arranged on both sides of the bidirectional screw rod. The support plate penetrates the movable slot and is connected to the connecting plate. A support rod is hinged between the connecting plate and the movable block.

3. The civil air defense door welding platform according to claim 2, characterized in that: A mounting groove is also provided on the top wall of the welding platform, and a roller is rotatably provided in the mounting groove.

4. The civil air defense door welding platform according to claim 3, characterized in that: A cushion block is arranged on the bottom wall of the pressure plate. The cushion block is made of rubber and is arranged away from the hinge rod.

5. The civil air defense door welding platform according to claim 4, characterized in that: One end of the bidirectional screw rod is axially connected with a motor, and the motor is fixedly arranged on the side wall of the welding table.

6. The civil air defense door welding platform according to claim 5, characterized in that: The spring is sleeved on the push rod.

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