Bending machine for fireproof door production

Abstract

The utility model relates to the technical field of bending equipment, and discloses a bending machine for fireproof door production, which comprises a machine table, fixing plates are fixedly mounted on two sides of the top of the machine table, a fixing shaft is fixedly mounted between opposite sides of the fixing plates on two sides, and a die holder is fixedly mounted at the top of the machine table and positioned in front of the fixing plates. And bending assemblies for bending the door frame of the fireproof door are arranged on the machine table, the fixing plate and the fixing shaft. According to the bending machine for fireproof door production, the bending assembly is arranged, after the bending assembly is used, under stretching and retracting of a hydraulic cylinder, a driving column is connected with the hydraulic cylinder and a movable plate, and a connecting rod is connected with the movable plate and a bending pressing plate, the bending pressing plate can vertically move up and down, and then a fireproof door frame placed on a mold base is bent; and the fireproof door frame placed on the die holder only needs to abut against the material pushing frame, the fireproof door frame can be bent without being clamped, and the fireproof door frame bending efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending equipment, specifically is a bending machine for fireproof door production. BACKGROUND

[0002] Fireproof door refers to the door that can satisfy the requirements of fire resistance stability, integrity and heat insulation for a certain time, it is the fireproof partition with certain fire resistance, which is arranged between fireproof compartments, evacuation staircases, vertical shafts and the like, is specially used for isolating fire source in building construction, and has great effect on fire fighting work, people can obtain escape opportunity through the fireproof door once fire occurs.

[0003] The existing bending machine for fireproof door production is that the door frame of the fireproof door is placed on the workbench with the clamp, the door frame of the fireproof door is clamped by the clamp, then the rotatable rotary body is arranged outside the door frame of the fireproof door, the rotary body is pulled to move around the door frame of the fireproof door, and the bending of the door frame of the fireproof door is realized, although this mode can bend, the door frame of the fireproof door is clamped first and then bent, the bending process is more, and the bending efficiency is reduced, therefore, the bending machine for fireproof door production is provided. SUMMARY

[0004] In view of the defects of the prior art, the bending machine for fireproof door production has the advantages that the door frame of the fireproof door is conveniently bent.

[0005] In order to realize the purpose that the door frame of the fireproof door is conveniently bent, the utility model provides the following technical scheme: a bending machine for fireproof door production, including the machine table, the top of the machine table is fixedly installed with the fixed plate on both sides, the fixed shaft is fixedly installed between the opposite side of the fixed plate on both sides, the top of the machine table is fixedly installed with the die holder in front of the fixed plate, the machine table, the fixed plate and the fixed shaft are provided with the bending assembly for bending the door frame of the fireproof door.

[0006] The bending assembly includes the movable plate, the hydraulic cylinder, the driving column, the bending pressing plate and the connecting rod, the movable plate is rotatably connected to the outer surface of the fixed shaft, the hydraulic cylinder is fixedly installed on the inner top wall of the machine table, the driving column is hingedly connected between the opposite side of the movable plate and the hydraulic cylinder, the bending pressing plate is slidably connected between the opposite side of the fixed plate on both sides, and the connecting rod is hingedly connected between the opposite side of the movable plate and the bending pressing plate.

[0007] Further, the die holder corresponds to the bending pressing plate, and the output end of the hydraulic cylinder is fixedly connected with the connecting seat hingedly connected with the driving column.

[0008] Further, the fixed plate is provided with the sliding groove slidably connected with the bending pressing plate, and the top of the bending pressing plate is fixedly installed with the connecting piece hingedly connected with the connecting rod.

[0009] Further, the side wall of the fixed plate is threadedly connected with a threaded column, and an end of the threaded column is fixedly provided with a crank handle.

[0010] Further, the machine table and the fixed plate are provided with a pushing assembly, the pushing assembly comprises a movable shaft, a gear, a pushing frame and a rack, the movable shaft is arranged to rotate between two sides of the fixed plate, the gear is fixedly connected to the outer surface of the movable shaft, the pushing frame is slidingly connected to the side wall of the machine table, and the rack is fixedly installed at the bottom of the pushing frame.

[0011] Further, the threaded column is in contact with the side wall of the pushing frame, the gear is engaged with the rack, and an end of the movable shaft is fixedly provided with a hand wheel.

[0012] Compared with the prior art, the bending machine for producing fireproof doors has the following beneficial effects:

[0013] The bending machine for producing fireproof doors is provided with a bending assembly, and after the bending assembly is used, the driving column is connected with the hydraulic cylinder and the movable plate, and the connecting rod is connected with the movable plate and the bending pressing plate, so that the bending pressing plate can vertically move up and down, thereby bending the fireproof door frame placed on the die holder, and the fireproof door frame placed on the die holder only needs to abut against the pushing frame, and the fireproof door frame can be bent without clamping, thereby improving the bending efficiency of the fireproof door frame. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front three-dimensional schematic view of the structure of the utility model;

[0015] Figure 2 It is a rear three-dimensional sectional view of the structure of the utility model;

[0016] Figure 3 It is a side three-dimensional sectional view of the structure of the utility model.

[0017] In the drawing: 1 machine table, 2 fixed plate, 3 fixed shaft, 4 die holder, 5 bending assembly, 51 movable plate, 52 hydraulic cylinder, 53 driving column, 54 bending pressing plate, 55 connecting rod, 6 connecting seat, 7 connecting piece, 8 threaded column, 9 crank handle, 10 pushing assembly, 101 movable shaft, 102 gear, 103 pushing frame, 104 rack, 11 hand wheel. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-2 The utility model provides a bending machine for fireproof door production, including the bench 1, the both sides of bench 1's top are all fixedly installed with fixed plate 2, and the both sides fixed plate 2 between opposite sides are fixedly installed with fixed shaft 3, and the top of bench 1 and located the front of fixed plate 2 are fixedly installed with mould base 4.

[0020] Among them, the lateral wall of fixed plate 2 is threadedly connected with threaded column 8, the end of threaded column 8 is fixedly installed with crank handle 9, and threaded column 8 is conveniently rotated.

[0021] Please refer to Figures 1-3 Bench 1, fixed plate 2 and fixed shaft 3 are provided with bending assembly 5 for bending the door frame of fireproof door, and bending assembly 5 includes movable plate 51, hydraulic cylinder 52, drive column 53, bending pressing plate 54 and connecting rod 55, movable plate 51 is rotatably connected to the outer surface of fixed shaft 3, hydraulic cylinder 52 is fixedly installed on the inner top wall of bench 1, drive column 53 is hingedly connected between the opposite sides of movable plate 51 and hydraulic cylinder 52, hydraulic cylinder 52 is telescopic, under the connection of drive column 53, movable plate 51 is driven to rotate forward and reverse, and the bending of fireproof door frame is gradually carried out, and the output end of hydraulic cylinder 52 is fixedly connected with connecting seat 6 hinged with drive column 53.

[0022] And, bending pressing plate 54 is slidably connected between the opposite sides of both sides fixed plate 2, so that bending pressing plate 54 can move vertically up and down, mould base 4 corresponds with bending pressing plate 54, sliding slot for slidably connecting with bending pressing plate 54 is formed in fixed plate 2, connecting rod 55 is hingedly connected between the opposite sides of movable plate 51 and bending pressing plate 54, under the connection of connecting rod 55, the forward and reverse rotation of movable plate 51 can drive bending pressing plate 54 to move vertically up and down, so as to realize the bending of fireproof door frame, and connecting piece 7 hinged with connecting rod 55 is fixedly installed on the top of bending pressing plate 54.

[0023] Please refer to Figures 1-3, the machine table 1 and the fixed plate 2 are provided with a pushing assembly 10, the pushing assembly 10 comprises a movable shaft 101, a gear 102, a pushing frame 103 and a rack 104, the movable shaft 101 rotates on both sides between the two fixed plates 2 opposite one side, the end of the movable shaft 101 is fixedly installed with a hand wheel 11, the movable shaft 101 is conveniently rotated, the gear 102 is fixedly connected to the outer surface of the movable shaft 101 and can rotate with the movable shaft 101, the pushing frame 103 is slidingly connected to the side wall of the machine table 1, and the side wall of the machine table 1 is fixedly installed with a sliding rail slidingly connected with the pushing frame 103, so that the pushing frame 103 can only move back and forth on the outer surface of the sliding rail.

[0024] In addition, the threaded column 8 is in contact with the side wall of the pushing frame 103 and is used for positioning the pushing frame 103 and limiting the movement of the pushing frame 103, the rack 104 is fixedly installed at the bottom of the pushing frame 103 and can drive the pushing frame 103 to move, the gear 102 is engaged with the rack 104, the rotation of the gear 102 can drive the engagement of the rack 104 to move, so that the pushing frame 103 pushes out the fireproof door frame after bending.

[0025] In use, the fireproof door frame is placed on the mold seat 4, the hydraulic cylinder 52 is extended, the driving column 53 drives the movable plate 51 to rotate, under the connection of the connecting rod 55, the bending pressing plate 54 moves downward to press the fireproof door frame, so that the fireproof door frame is bent between the mold seat 4 and the bending pressing plate 54, then the hydraulic cylinder 52 is retracted, the bending pressing plate 54 releases the bent fireproof door frame, the hand wheel 11 is rotated, the movable shaft 101 and the gear 102 are rotated, the rack 104 is driven to engage and move, and the pushing frame 103 pushes out the bent fireproof door frame, so that the bending work of the fireproof door frame is realized.

[0026] The beneficial effects of the above embodiment are:

[0027] The bending machine for fireproof door production is provided with the bending assembly 5, after the bending assembly 5 is used, under the extension and retraction of the hydraulic cylinder 52, the driving column 53 is connected with the hydraulic cylinder 52 and the movable plate 51, and the connecting rod 55 is connected with the movable plate 51 and the bending pressing plate 54, so that the bending pressing plate 54 can vertically move up and down, and then the fireproof door frame placed on the mold seat 4 is bent, and the fireproof door frame placed on the mold seat 4 only needs to abut against the pushing frame 103, does not need to be clamped and can be bent, and the bending efficiency of the fireproof door frame is improved.

[0028] The hydraulic cylinder 52 in the text is electrically connected with a main control unit and a power supply, the main control unit can be a conventional known device such as a computer for control, and the existing disclosed power connection technology is not described herein.

[0029] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0030] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A bending machine for producing fire doors, comprising a machine base (1), wherein fixed plates (2) are fixedly installed on both sides of the top of the machine base (1), and a fixed shaft (3) is fixedly installed between opposite sides of the two fixed plates (2), and a mold base (4) is fixedly installed on the top of the machine base (1) in front of the fixed plates (2), characterized in that: The machine base (1), the fixed plate (2) and the fixed shaft (3) are equipped with bending components (5) for bending the door frame of the fire door; The bending assembly (5) includes a movable plate (51), a hydraulic cylinder (52), a drive column (53), a bending pressure plate (54), and a connecting rod (55). The movable plate (51) is rotatably connected to the outer surface of the fixed shaft (3). The hydraulic cylinder (52) is fixedly installed on the inner top wall of the machine base (1). The drive column (53) is hinged between the movable plate (51) and the hydraulic cylinder (52) on opposite sides. The bending pressure plate (54) is slidably connected between the two fixed plates (2) on opposite sides. The connecting rod (55) is hinged between the movable plate (51) and the bending pressure plate (54) on opposite sides.

2. The bending machine for producing fire doors according to claim 1, characterized in that: The mold base (4) corresponds to the bending pressure plate (54), and the output end of the hydraulic cylinder (52) is fixedly connected to the connecting seat (6) which is hinged to the drive column (53).

3. A bending machine for producing fire doors according to claim 1, characterized in that: The fixed plate (2) has a sliding groove that is slidably connected to the bending pressure plate (54), and the top of the bending pressure plate (54) is fixedly installed with a connecting piece (7) that is hinged to the connecting rod (55).

4. A bending machine for producing fire doors according to claim 1, characterized in that: The side wall of the fixing plate (2) is threaded with a threaded post (8), and a rocker arm (9) is fixedly installed at the end of the threaded post (8).

5. A bending machine for producing fire doors according to claim 4, characterized in that: The machine base (1) and the fixed plate (2) are provided with a pusher assembly (10). The pusher assembly (10) includes a movable shaft (101), a gear (102), a pusher frame (103) and a rack (104). The movable shaft (101) rotates between the two sides of the fixed plate (2) on opposite sides. The gear (102) is fixedly connected to the outer surface of the movable shaft (101). The pusher frame (103) is slidably connected to the side wall of the machine base (1). The rack (104) is fixedly installed at the bottom of the pusher frame (103).

6. A bending machine for producing fire doors according to claim 5, characterized in that: The threaded column (8) contacts the side wall of the pusher frame (103), the gear (102) meshes with the rack (104), and a handwheel (11) is fixedly installed at the end of the movable shaft (101).

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