Door frame shape correcting device
By designing a door frame shaping device including cylinders, flat beams and motor drive systems, the problem of unevenness after welding of the human security door leaf is solved, automatic flattening treatment is realized, and working efficiency and the quality of door leaf use are improved.
Patent Information
- Application Number
- CN202422141659.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-09-02
AI Technical Summary
The existing human-proof door leaf is prone to unevenness after welding, resulting in lag and uneven gaps during the use of the door. The existing technology relies on manual use of rulers for measurement and smoothing, which is troublesome and inefficient.
A door frame shaping device is designed, including a base plate, support plate, cylinder and flat beam. The flat beam is driven by the cylinder to lift the civil defense door leaf, and the top frame and support seat are used to squeeze and flatten the door leaf, combined with the motor drive gear and chain transmission system to achieve limits and adjustments to ensure that the door leaf does not deform during pushing.
There is no need for manual flattening, which improves work efficiency and is simple and convenient to use the device, ensuring that there is no lag and uneven gaps during use of the door.
Smart Images
Figure CN222985316U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air defense door production, in particular to a door frame shaping device. Background Technique
[0002] An air defense door leaf refers to a door leaf used in air defense projects to play a protective role, mainly used to protect the safety of personnel during wartime or emergencies. They are usually installed in air raid shelters, underground shelters and other air defense facilities, aiming to block external explosion shock waves, radiation and harmful gases, etc.
[0003] However, the existing air defense door leaves will be uneven after welding, and people need to use tools to level the air defense door leaves to avoid problems such as jamming and uneven gaps during the use of the door. When leveling the door leaf, it is usually measured manually with a straight ruler, and then the uneven places are leveled with tools. The operation is relatively troublesome and the work efficiency is not high. Content of the Utility Model
[0004] The purpose of the utility model is to provide a door frame shaping device to solve the problems put forward in the prior art.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A door frame shaping device includes a bottom plate, and a leveling structure is arranged on the top of the bottom plate. The leveling structure includes two support plates and a cylinder. The two support plates are fixedly installed on the top of the bottom plate, and a top frame is fixedly installed on the top of the two support plates. Two support seats are fixedly installed on the top of the bottom plate, and rollers are rotatably installed between the two support seats and the two support plates. The cylinder is fixedly installed on the ground, and a leveling cross beam is fixedly installed on the top of the cylinder.
[0006] Preferably, brackets are fixedly installed on both sides of the two support plates, and a number of conveying rollers are rotatably installed inside the two brackets.
[0007] Preferably, a limiting structure is arranged on both sides of the two brackets. The limiting structure includes four fixing plates, and the four fixing plates are respectively fixedly installed on both sides of the top frame. Two fixing seats are fixedly installed on the bottom of the two brackets, and lead screws are rotatably installed on one side of the four fixing seats. Moving plates are threadedly connected to the outside of the four lead screws, connecting plates are fixedly installed on one side of the four moving plates, limiting plates are fixedly installed on one side of the four connecting plates, and the thread directions of the four lead screws are designed to be opposite to each other in pairs.
[0008] Preferably, two connecting blocks are fixedly installed on the top of each of the four limiting plates, and a sliding plate is fixedly installed on one side of each of the eight connecting blocks. The eight sliding plates respectively penetrate through the four fixing plates and are in sliding contact with the four fixing plates. The arranged sliding plates penetrating through the fixing plates can limit the sliding plates through the fixing plates, so as to limit the moving plate through the limiting plates and the connecting plates, and prevent the moving plate from rotating along with the rotation of the lead screw.
[0009] Preferably, the four fixing seats are grouped in pairs, and a connecting shaft is rotatably installed between the two groups of fixing seats. The two ends of the two connecting shafts respectively penetrate through the four fixing seats and are fixedly connected with the four lead screws.
[0010] Preferably, chain wheels are fixedly installed on the outer sides of the two connecting shafts, and a chain is sleeved on the outer sides of the two chain wheels. The two chain wheels are connected by chain drive.
[0011] Preferably, a first gear is fixedly installed on the outer side of one of the connecting shafts, an L-shaped plate is fixedly installed on one side of one of the fixing seats, a motor is fixedly installed on one side of the L-shaped plate, a second gear is fixedly installed at the output end of the motor through the L-shaped plate, and the first gear and the second gear are meshed and connected.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. In this application, the civil air defense door leaf is placed on the tops of a plurality of conveying rollers, and then pushed to the lower position of the top frame. Then the air cylinder is started, and the air cylinder will drive the leveling cross beam to jack up upwards, jack up the civil air defense door leaf accordingly, and make the civil air defense door leaf contact with the top frame, so as to squeeze and flatten the civil air defense door leaf. After the flattening is completed, the air cylinder is lowered to cancel the pressure on the civil air defense door leaf, and then the civil air defense door leaf is continuously pushed out for the flattening of the next civil air defense door leaf. There is no need for staff to manually flatten the civil air defense door leaf, and the device is simple and convenient to use, improving the work efficiency.
[0014] 2. In this application, the motor drives the second gear to rotate, thereby driving the first gear to mesh and rotate, driving one of the connecting shafts to rotate, making one of the chain wheels rotate, and then driving the other chain wheel to rotate through the chain, making the other connecting shaft rotate, thereby driving the four lead screws to rotate accordingly, driving the four moving plates to move respectively. The four moving plates will respectively drive the four limiting plates to move through the four connecting plates, so as to perform corresponding adjustment and limitation according to the size of the civil air defense door leaf, ensuring that the civil air defense door leaf will not move left and right and become skewed during the pushing process, enabling the air cylinder and the leveling cross beam to accurately squeeze and flatten the civil air defense door leaf, and improving the use effect of the device. Description of the Drawings
[0015] Figure 1Schematic diagram of the overall structure of a door frame straightening device of the present utility model;
[0016] Figure 2 Schematic diagram of the flat structure of a door frame straightening device of the present utility model;
[0017] Figure 3 Schematic diagram of the limit structure of a door frame straightening device of the present utility model;
[0018] Figure 4 A door frame straightening device of the present utility model Figure 3 Enlarged view of the structure at position A.
[0019] Reference numerals in the figure: 1, bottom plate; 2, support plate; 3, top frame; 4, support seat; 5, rotating roller; 6, cylinder; 7, flat cross beam; 8, bracket; 9, conveying roller; 10, fixing plate; 11, fixing seat; 12, lead screw; 13, moving plate; 14, connecting plate; 15, limiting plate; 16, connecting block; 17, sliding plate; 18, connecting shaft; 19, sprocket; 20, chain; 21, first gear; 22, L-shaped plate; 23, motor; 24, second gear. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment: As Figure 1 - Figure 4 shown, the present utility model provides a technical solution for a door frame straightening device, including a bottom plate 1. A flat structure is provided on the top of the bottom plate 1. The flat structure includes two support plates 2 and a cylinder 6. The two support plates 2 are fixedly installed on the top of the bottom plate 1. A top frame 3 is fixedly installed on the tops of the two support plates 2. Two support seats 4 are fixedly installed on the top of the bottom plate 1. Rotating rollers 5 are rotatably installed between the two support seats 4 and the two support plates 2. The cylinder 6 is fixedly installed on the ground, and a flat cross beam 7 is fixedly installed on the top of the cylinder 6.
[0022] Brackets 8 are fixedly installed on both sides of the two support plates 2, and a plurality of conveying rollers 9 are rotatably installed inside the two brackets 8.
[0023] On both sides of the two brackets 8, a limiting structure is provided. The limiting structure includes four fixing plates 10. The four fixing plates 10 are respectively fixedly installed on both sides of the top bracket 3. Two fixing seats 11 are fixedly installed at the bottom of the two brackets 8. A lead screw 12 is rotatably installed on one side of each of the four fixing seats 11. A moving plate 13 is threadedly connected to the outside of each of the four lead screws 12. A connecting plate 14 is fixedly installed on one side of each of the four moving plates 13. A limiting plate 15 is fixedly installed on one side of each of the four connecting plates 14.
[0024] Two connecting blocks 16 are fixedly installed on the top of each of the four limiting plates 15. A sliding plate 17 is fixedly installed on one side of each of the eight connecting blocks 16. The eight sliding plates 17 respectively penetrate through the four fixing plates 10 and are in sliding contact with the four fixing plates 10.
[0025] The four fixing seats 11 are grouped in pairs. A connecting shaft 18 is rotatably installed between the two groups of fixing seats 11. The two ends of the two connecting shafts 18 respectively penetrate through the four fixing seats 11 and are fixedly connected to the four lead screws 12.
[0026] A sprocket 19 is fixedly installed on the outside of each of the two connecting shafts 18. A chain 20 is sleeved on the outside of the two sprockets 19. The two sprockets 19 are drivingly connected through the chain 20.
[0027] A first gear 21 is fixedly installed on the outside of one of the connecting shafts 18. An L-shaped plate 22 is fixedly installed on one side of one of the fixing seats 11. A motor 23 is fixedly installed on one side of the L-shaped plate 22. The output end of the motor 23 penetrates through the L-shaped plate 22 and is fixedly installed with a second gear 24. The first gear 21 and the second gear 24 are meshingly connected.
[0028] It should be noted that the present utility model is a door frame straightening device. When in use, the civil air defense door leaf is placed on the top of a plurality of conveying rollers 9 and then pushed to the position below the top bracket 3. Then, the air cylinder 6 is started. The air cylinder 6 will drive the flattening cross beam 7 to jack up upwards, and the civil air defense door leaf will be jacked up accordingly, and the civil air defense door leaf will be in contact with the top bracket 3, so as to squeeze the civil air defense door leaf flat. After flattening, the air cylinder 6 is lowered to cancel the pressure on the civil air defense door leaf, and then the civil air defense door leaf is continuously pushed out to carry out the flattening of the next civil air defense door leaf. There is no need for the staff to manually flatten the civil air defense door leaf, and the device is simple and convenient to use, improving the work efficiency.
[0029] When it is necessary to level air defense doors of different sizes, start the motor 23. The model of the motor 23 is not specifically described and shall be subject to the equipment for adaptation. The motor 23 will drive the second gear 24 to rotate, thereby driving the first gear 21 to mesh and rotate, driving one of the connecting shafts 18 to rotate, causing one of the sprockets 19 to rotate, and then driving the other sprocket 19 to rotate through the chain 20, causing the other connecting shaft 18 to rotate, thereby driving the four lead screws 12 to rotate accordingly, driving the four moving plates 13 to move respectively. The four moving plates 13 will drive the four limiting plates 15 to move respectively through the four connecting plates 14, so as to make corresponding adjustments and limitations according to the size of the air defense door, ensuring that the air defense door will not move left and right and become inclined during pushing, enabling the air cylinder 6 and the leveling cross beam 7 to accurately extrude and level the air defense door, and improving the use effect of the device.
[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A door frame correction device, characterized in that: The invention comprises a bottom plate (1), the top of the bottom plate (1) being provided with a flat structure, the flat structure comprising two support plates (2) and a cylinder (6), the two support plates (2) being fixedly mounted on the top of the bottom plate (1), a top frame (3) being fixedly mounted on the top of the two support plates (2), two support seats (4) being fixedly mounted on the top of the bottom plate (1), a roller (5) being rotatably mounted between the two support seats (4) and the two support plates (2), the cylinder (6) being fixedly mounted on the ground, and a flat beam (7) being fixedly mounted on the top of the cylinder (6).
2. A door frame shape correction device according to claim 1, characterized in that: Brackets (8) are fixedly mounted on both sides of the two support plates (2), and a plurality of conveying rollers (9) are rotatably mounted on the inner sides of the two brackets (8).
3. A door frame correction device according to claim 2, characterized in that: A limiting structure is provided on both sides of the two brackets (8), the limiting structure comprising four fixing plates (10), the four fixing plates (10) being fixedly mounted on both sides of the top frame (3), respectively; two fixing seats (11) are fixedly mounted on the bottom of the two brackets (8), a screw rod (12) is rotatably mounted on one side of the four fixing seats (11), a movable plate (13) is threadedly connected to the outer side of the four screw rods (12), a connecting plate (14) is fixedly mounted on one side of the four movable plates (13), and a limiting plate (15) is fixedly mounted on one side of the four connecting plates (14).
4. A door frame shape correction device according to claim 3, characterized in that: Two connection blocks (16) are fixedly mounted on the tops of the four limit plates (15), a slide plate (17) is fixedly mounted on one side of the eight connection blocks (16), and the eight slide plates (17) respectively penetrate the four fixed plates (10) and are in sliding contact with the four fixed plates (10).
5. A door frame shape correction device according to claim 3, characterized in that: The four fixing seats (11) are grouped in pairs, and a connecting shaft (18) is rotatably mounted between the two groups of fixing seats (11). Both ends of the two connecting shafts (18) respectively penetrate the four fixing seats (11) and are fixedly connected to the four screw rods (12).
6. A door frame shape correction device according to claim 5, characterized in that: Sprocket wheels (19) are fixedly mounted on the outer sides of the two connecting shafts (18), chains (20) are sleeved on the outer sides of the two sprocket wheels (19), and the two sprocket wheels (19) are connected in transmission via the chains (20).
7. A door frame shape correction device according to claim 5, characterized in that: A first gear (21) is fixedly mounted on the outer side of one of the connecting shafts (18), an L-shaped plate (22) is fixedly mounted on one side of one of the fixing seats (11), a motor (23) is fixedly mounted on one side of the L-shaped plate (22), a second gear (24) is fixedly mounted on the output end of the motor (23) passing through the L-shaped plate (22), and the first gear (21) and the second gear (24) are meshingly connected.