Concrete door leaf steel frame pre-deformation pressing device

Abstract

A concrete door leaf steel frame pre-deformation pressing device solves the problem that a door frame is not firmly fixed due to the fact that only clamping rods are used for fixing at present. The device comprises a rack, a fixed plate is fixed on the rack, and a horizontally sliding clamping plate is arranged in front of the fixed plate; a limiting plate is fixed to the left side of the rack and located between the fixed plate and the clamping plate. A clamping plate is hinged to the fixed plate, a squeezing plate sliding in the length direction of the clamping plate is arranged on the clamping plate, and the squeezing plate and the clamping plate are in contact and squeezed to form a structure for fixing the clamping plate. Compared with the prior art, the utility model has the advantages that: 1) the steel frame is positioned and clamped in the horizontal direction through the limiting plate; (2) the long steel frame is fixed in multiple positions through a fastening device; and (3) the door leaf steel frame is conveniently placed by swinging and opening the clamping plate, and meanwhile, the steel frame is clamped and fixed in the vertical direction by utilizing the clamping and fixing plate so as to be fixed in all directions.

Description

Technical Field

[0001] The utility model relates to the technical field of production tooling for the steel frames of concrete door leaves, and particularly relates to a pre-deformation pressing device for the steel frames of concrete door leaves. Background Art

[0002] During the production of concrete civil air defense door leaves, it is necessary to assemble and weld the horizontal and vertical door leaf steel frames. The horizontal steel frame needs to be pre-deformed before assembly to prevent welding deformation. Currently, manual hammers are used for knocking to achieve pre-deformation. In the actual operation process, it is difficult to fix the steel frame, the operation is difficult, it is time-consuming and labor-intensive, and the labor intensity is relatively large. If not careful, it is easy to cause the horizontal steel frame to be scrapped, and a large amount of manpower needs to be wasted for renovation later.

[0003] The application number is 202320971817.8, and the name is a pre-deformation pressing tooling for a concrete door leaf frame. It includes a frame. Symmetric first sliding rails are provided at the upper end of the frame. Clamping rods are symmetrically and slidably arranged on the first sliding rails. A plurality of clamping grooves are provided inside the clamping rods. Clamping blocks are slidably arranged in the clamping grooves. The clamping blocks are connected to the bottom of the pre-clamping grooves through springs. Symmetric second sliding rails are provided on both sides of the frame. A processing frame is slidably arranged on the second sliding rails. Sliding blocks are symmetrically provided at the upper and lower ends of the processing frame. Processing heads are connected to the sliding blocks through hydraulic cylinders. It is convenient to fix steel frames with different sizes at the same time, the fixing is convenient, and the pre-deformation efficiency is high.

[0004] However, it also has the following deficiencies: 1) Most of the steel frames are square structures, and there are no prominent positioning blocks at this time, so it is very difficult to complete its precise positioning; 2) Relying on the friction force of the clamping rods to complete the fixation of the steel frame, its stability is relatively not firm. Content of the Utility Model

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a pre-deformation pressing device for the steel frames of concrete door leaves, which solves the problem that the door frame is not firmly fixed only by relying on the clamping rods at present.

[0006] The utility model solves the technical problems through the following technical means. A pre-deformation pressing device for the steel frames of concrete door leaves includes a frame, a fixed plate is fixed on the frame, and a horizontally slidable clamping plate is arranged in front of the fixed plate;

[0007] A limiting plate is fixed on the left side of the frame, and the limiting plate is located between the fixed plate and the clamping plate;

[0008] A clamping plate is hinged on the fixed plate, an extrusion plate is arranged on the clamping plate and slides along the length direction of the clamping plate, and the extrusion plate contacts and presses the clamping plate to form a structure for fixing the clamping plate.

[0009] Preferably, a plurality of fastening devices are arranged on both the fixed plate and the clamping plate;

[0010] The fastening device includes a first threaded rod threadedly connected to the top plate or the clamping plate. The first threaded rod is rotatably connected to a locking plate, and a guide rod is fixedly connected to the outer end of the locking plate. The guide rod slidably penetrates through the top plate or the clamping plate.

[0011] Preferably, one end of the clamping plate close to the clamping plate has an L-shaped structure. The pressing plate is rotatably connected to a second threaded rod, and the second threaded rod is threadedly connected to the clamping plate. A guide rod is fixed to the outside of the pressing plate, and the outside of the guide rod slidably penetrates through the clamping plate.

[0012] Preferably, a threaded hole is provided on the frame. An extension plate is fixed to the lower end of the clamping plate, and a wide hole is provided on the extension plate. A screw passes through the light hole and is connected to the threaded hole.

[0013] Preferably, a plurality of vertically sliding clamping plates are provided on the clamping plate. The upper end of the clamping plate is rotatably connected to a third threaded rod, and the upper end of the third threaded rod is threadedly connected to the clamping plate. A sliding rod is fixed to the upper end of the clamping plate, and the upper end of the sliding rod slidably penetrates through the clamping plate.

[0014] Preferably, it further includes a telescopic rod, and the telescopic rod is clamped between the horizontal frames.

[0015] Preferably, the telescopic rod includes a sleeve, a fourth threaded rod that slides back and forth is provided inside the sleeve, the sleeve is rotatably connected to a nut, and the fourth threaded rod is threadedly connected to the nut.

[0016] Compared with the prior art, the present utility model has the following advantages: 1) The horizontal positioning and clamping of the steel frame are realized through the limiting plate; 2) The longer steel frame is fixed at multiple positions through the fastening device; 3) By swinging and opening the clamping plate, it is convenient to place the steel frame of the door leaf, and at the same time, the vertical clamping of the steel frame is completed by using the clamping plate, so as to achieve all-round fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic axonometric structure diagram of the overall structure of the present utility model;

[0020] Figure 3 is a schematic diagram of the structure of the present utility model after removing the frame and the limiting plate;

[0021] Figure 4 is Figure 3 a magnified schematic diagram of part A in

[0022] In the figure: 1, frame; 2, fixed plate; 3, clamping plate; 4, limiting plate; 5, clamping plate; 6, extrusion plate; 7, locking plate; 8, first threaded rod; 9, guide rod; 10, second threaded rod; 11, guide rod; 12, extension plate; 13, screw; 14, clamping plate; 15, third threaded rod; 16, sliding rod. Detailed implementation mode

[0023] The following combines the attached Figures 1-4 Make a further detailed description of the specific implementation mode of the present utility model.

[0024] As Figures 1-4 shown, a pre-deformation pressing device for the steel frame of a concrete door leaf includes a frame 1, a fixed plate 2 is fixed on the frame 1, and a horizontally sliding clamping plate 3 is arranged in front of the fixed plate 2;

[0025] A limiting plate 4 is fixed on the left side of the frame 1, and the limiting plate 4 is located between the fixed plate 2 and the clamping plate 3;

[0026] A clamping plate 5 is hinged on the fixed plate 2, an extrusion plate 6 that slides along the length direction of the clamping plate 5 is arranged on the clamping plate 5, and the extrusion plate 6 contacts and squeezes the clamping plate 3 to form a structure for fixing the clamping plate 3.

[0027] In the present utility model, the horizontal steel frame is placed on the frame 1, and then the leftmost side of the steel frame contacts the limiting plate 4, so as to limit and position the steel frame. One end of the steel frame contacts the fixed plate 2, and then the clamping plate 3 is driven to contact the steel frame. After the clamping plate 5 is swung down, the extrusion plate 6 is driven to slide and squeeze the clamping plate 3 to fit the steel frame, thus completing the fixation of the entire steel frame.

[0028] At the same time, this device also includes the second slide rail, processing frame and processing head in a pre-deformation pressing tool for the frame of a concrete door leaf with the application number 202320971817.8, name, to complete the pre-deformation pressing of the steel frame.

[0029] In addition, in order to ensure that too much pressing occurs during the pre-deformation process, two telescopic rods are set. The telescopic rod includes a hollow sleeve, a fourth threaded rod is arranged in the sleeve, a guiding device is arranged in the sleeve, and the guiding device is a conventional technology and will not be elaborated. The guiding device is threadedly connected to the fourth threaded rod to ensure that the fourth threaded rod slides along the length direction of the sleeve, and the outer end of the fourth threaded rod is located outside the sleeve. One end of the fourth threaded rod contacts and squeezes the horizontal frame, and the sleeve contacts the other end of the horizontal frame. The telescopic rods are placed on both sides of the extrusion pre-deformation. In this way, the problem of excessive deformation can be effectively organized.

[0030] A plurality of fastening devices are arranged on both the fixed plate 2 and the clamping plate 3;

[0031] The fastening device includes a first threaded rod 8 threadedly connected to the top plate or the clamping plate 3. The first threaded rod 8 is rotatably connected to a locking plate 7. The outer end of the locking plate 7 is fixedly connected to a guide rod 9, and the guide rod 9 slidably penetrates through the top plate or the clamping plate 3.

[0032] Since the length of the horizontal frame is relatively long, we set multiple fastening devices. By fitting the fastening devices with the horizontal frame, the fixation of the horizontal frame is completed.

[0033] A turntable is fixed on the outer side of the first threaded rod 8. By driving the turntable to rotate, the locking plate 7 is driven to move towards the horizontal frame to complete the extrusion and fixation of the horizontal frame. In addition, rubber is fixed on the inner side of the locking plate 7, which can reduce the damage to the steel frame of the door leaf.

[0034] One end of the clamping plate 5 close to the clamping plate 3 is of an L-shaped structure. The extrusion plate 6 is rotatably connected to a second threaded rod 10. The second threaded rod 10 is threadedly connected to the clamping plate 5. A guide rod 11 is fixedly connected to the outer side of the extrusion plate 6, and the outer side of the guide rod 11 slidably penetrates through the clamping plate 5.

[0035] The structural form of the extrusion plate 6 is similar to that of the fastening device, both of which utilize the self-locking property of the thread to ensure the stability after position adjustment.

[0036] Threaded holes are provided on the frame 1. An extension plate 12 is fixed to the lower end of the clamping plate 5. A wide hole is formed in the extension plate 12, and a screw 13 passes through the light hole and is connected to the threaded hole.

[0037] The lower end of the extension plate 12 fits with the frame 1, and then the screw 13 is screwed into the threaded hole. The screw 13 presses the extension plate 12, thereby completing the fixation of the clamping plate 5. To increase the convenience of operation, a light hole is formed in the extension plate 12, which can allow for deformation or error.

[0038] A plurality of vertically sliding clamping plates 14 are provided on the clamping plate 5. The upper end of the clamping plate 14 is rotatably connected to a third threaded rod 15. The upper end of the third threaded rod 15 is threadedly connected to the clamping plate 5. A sliding rod 16 is fixedly connected to the upper end of the clamping plate 14, and the upper end of the sliding rod 16 slidably penetrates through the clamping plate 5.

[0039] The structural form of the clamping plate 14 is similar to that of the fastening device and will not be elaborated here.

[0040] In this device, two clamping plates 5 are provided, which can achieve pressurization of the steel frame from top to bottom, thereby ensuring the stability of the fixation of the steel frame.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pre-deformation pressing device for the steel frame of a concrete door leaf, comprising a frame (1), characterized in that, A fixed plate (2) is fixed on the frame (1), and a horizontally sliding clamping plate (3) is arranged in front of the fixed plate (2); A limiting plate (4) is fixed on the left side of the frame (1), and the limiting plate (4) is located between the fixed plate (2) and the clamping plate (3); A clamping plate (5) is hinged on the fixed plate (2), an extrusion plate (6) which slides along the length direction of the clamping plate (5) is arranged on the clamping plate (5), and the extrusion plate (6) contacts and extrudes the clamping plate (3) to form a structure for fixing the clamping plate (3).

2. The pre-deformation pressing device for the steel frame of a concrete door leaf according to claim 1, wherein, A plurality of fastening devices are arranged on both the fixed plate (2) and the clamping plate (3); The fastening device includes a first threaded rod (8) threadedly connected to the top plate or the clamping plate (3), the first threaded rod (8) is rotatably connected to a locking plate (7), a guide rod (9) is fixedly connected to the outer end of the locking plate (7), and the guide rod (9) slidably penetrates through the top plate or the clamping plate (3).

3. A pre-deformation pressing device for a steel frame of a concrete door leaf according to claim 1, characterized in that, One end of the clamping plate (5) close to the clamping plate (3) is of an L-shaped structure, a second threaded rod (10) is rotatably connected to the extrusion plate (6), the second threaded rod (10) is threadedly connected to the clamping plate (5), a guide rod (11) is fixed to the outside of the extrusion plate (6), and the outside of the guide rod (11) slidably penetrates through the clamping plate (5).

4. A pre-deformation pressing device for a steel frame of a concrete door leaf according to claim 1, characterized in that, A threaded hole is arranged on the frame (1), an extension plate (12) is fixed to the lower end of the clamping plate (5), a light hole is formed in the extension plate (12), and a screw (13) passes through the light hole and is connected to the threaded hole.

5. A pre-deformation pressing device for a steel frame of a concrete door leaf according to claim 1, characterized in that, A plurality of vertically sliding clamping plates (14) are arranged on the clamping plate (5), a third threaded rod (15) is rotatably connected to the upper end of the clamping plate (14), the upper end of the third threaded rod (15) is threadedly connected to the clamping plate (5), a slide rod (16) is fixed to the upper end of the clamping plate (14), and the upper end of the slide rod (16) slidably penetrates through the clamping plate (5).

6. A pre-deformation pressing device for a steel frame of a concrete door leaf according to claim 1, characterized in that, It further includes a telescopic rod which is clamped between the cross frames.

7. A pre-deformation pressing device for the steel frame of a concrete door leaf according to claim 6, characterized in that, The telescopic rod includes a sleeve, a fourth threaded rod which slides back and forth is arranged in the sleeve, the sleeve is rotatably connected to a nut, and the fourth threaded rod is threadedly connected to the nut.

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