Blank pressing device for fireproof door production

Abstract

The utility model belongs to an edge pressing device for fireproof door production, which comprises a working table and a conveying assembly, the top surface of the working table is used for placing a fireproof door body in a sliding manner, a fixing frame is arranged on the rear side of the top surface of the working table, and the top of the fixing frame further comprises an edge pressing assembly. The edge pressing assembly comprises a first motor fixedly arranged at the top of the fixing frame, a first threaded shaft is fixedly arranged at the tail end of a main shaft of the first motor, an upper pressing plate is rotatably arranged at the bottom of the first threaded shaft, an extrusion block is slidably arranged on the back of the upper pressing plate, and second motors are fixedly arranged on the two sides of the upper pressing plate correspondingly. And a second threaded shaft is fixedly arranged at the tail end of a main shaft of the second motor, the second threaded shaft pushes the upper pressing plate to move downwards to press the edge of the fireproof door body together with the lower pressing plate, the extrusion block can conduct secondary machining on the position where the edge pressing is not ideal after machining, it is guaranteed that the steel sheet and the fireproof door are tightly attached, and installation of the fireproof door is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of edge pressing of fireproof doors, in particular to an edge pressing device for producing fireproof doors. Background Art

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are generally installed between fire compartments and evacuation stairwells. When producing fire doors, the sides of the door panels need to be squeezed and shaped vertically, so a pressing device for the production of fire doors is required.

[0003] The patent specification with publication number CN 215657236 U discloses a side pressing platform, a side pressing groove is provided on one side of the side pressing platform, a pressing plate for pressing the fire door is provided on the upper end of the side pressing platform, two groups of second electric push rods and two groups of third electric push rods are provided on the side wall of the side pressing platform, the two groups of second electric push rods are symmetrically arranged, the two groups of third electric push rods are symmetrically arranged, one end of the piston rod of the second electric push rod is fixedly connected to the first push plate, and one end of the piston rod of the third electric push rod is fixedly connected to the second push plate;

[0004] However, in the implementation of the relevant technology, it was found that the above-mentioned fire door edge pressing device has the following problems: during the edge pressing process of the fire door, due to the long length of the protective steel sheet for the edge, part of the protective steel sheet will bend and overlap, which will lead to a gap between the fire door and the edge, and it is impossible to fit tightly with the fire door, resulting in bulging of the produced fire door, or large edge gaps, which affects the installation of the fire door;

[0005] Therefore, in view of the above problems, a edge pressing device for producing fire doors is proposed. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a edge pressing device for fire door production, which has good steel sheet edge pressing effect, fits tightly with the fire door, does not cause bulging and flashing seams during the production process, and is convenient for fire door installation.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A edge pressing device for fire door production includes a workbench and a conveying assembly. The top surface of the workbench is used to slide and place the fire door body. A fixing frame is arranged at the rear side of the top surface of the workbench. The top of the fixing frame also includes an edge pressing assembly:

[0009] The edge pressing assembly includes a first motor fixedly arranged on the top of the fixing frame, a first threaded shaft is fixedly arranged at the end of the main shaft of the first motor, and the first threaded shaft passes through the fixing frame, an upper pressing plate is rotatably arranged at the bottom of the first threaded shaft, an extrusion block is slidably arranged on the back of the upper pressing plate, and the extrusion block passes through the upper pressing plate, a second motor is fixedly arranged on both sides of the upper pressing plate, a second threaded shaft is fixedly arranged at the end of the main shaft of the second motor, and the second threaded shaft passes through the fixing block, and the fixing block and the extrusion block are fixedly arranged.

[0010] Preferably, both sides of the workbench also include clamping assemblies;

[0011] The clamping assembly comprises a cylinder fixedly arranged at two ends of the workbench, and the output end of the cylinder passes through the clamping block and the workbench.

[0012] Preferably, a lower pressing plate is arranged below the upper pressing plate, and the lower pressing plate is fixedly connected to the workbench, a guide shaft is arranged at one end of the upper pressing plate, and the guide shaft passes through the upper pressing plate and the buffer plate, and a spring is arranged on the outer sleeve of the guide shaft.

[0013] Preferably, the thickness of the buffer plate is equal to the thickness of the upper pressing plate, and the front end of the extrusion block is set at an oblique angle.

[0014] Preferably, the bottom surface of the workbench also includes a conveying component;

[0015] The transmission assembly includes a third motor fixedly arranged on the bottom surface of the workbench, a belt conveyor is fixedly arranged on the output end of the third motor, a transmission shaft is fixedly arranged on the output end of the third motor, bearing seats are arranged at both ends of the transmission shaft, bolts are arranged inside the bearing seats, the bolts pass through the bearing seat and the workbench, and the bolts are threadedly connected to the workbench.

[0016] Preferably, the surface of the workbench is provided with a transverse groove, and the belt conveyor is located in the transverse groove position, and the diameter of the bearing seat is adapted to the diameter of the transmission shaft.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] The utility model arranges a first motor to rotate a first threaded shaft, pushes the upper pressure plate to move downward, and presses the fire door together with the lower pressure plate. The guide shaft, buffer plate, and spring play a buffering role in the edge pressing process; the extrusion block, the second motor, the second threaded shaft, and the fixed block can perform secondary processing on the areas where the edge pressing is not ideal after processing, to ensure that the steel sheet and the fire door are closely fitted, and that bulging and flashing seams will not occur during the production process, thereby facilitating the installation of the fire door. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the clamping assembly proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the edge pressing component proposed by the utility model;

[0022] Figure 4 The utility model proposed Figure 3 A schematic diagram of the structure at A;

[0023] Figure 5 This is a schematic diagram of the transmission structure proposed by the utility model.

[0024] In the figure: 1. Fire door body;

[0025] 2. Clamping assembly; 21. Cylinder; 22. Clamping block;

[0026] 3. Edge pressing assembly; 31. First motor; 32. First threaded shaft; 33. Upper pressing plate; 34. Guide shaft; 35. Buffer plate; 36. Spring; 37. Extrusion block; 38. Second motor; 39. Second threaded shaft; 310. Fixed block; 311. Lower pressing plate;

[0027] 4. Workbench;

[0028] 5. Transmission assembly; 51. Third motor; 52. Belt conveyor; 53. Transmission shaft; 54. Bearing seat; 55. Bolt;

[0029] 6. Fixed bracket. DETAILED DESCRIPTION

[0030] 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.

[0031] like Figures 1 to 5 As shown, the utility model provides a edge pressing device for fire door production, comprising a workbench 4 and a conveying assembly 5. The top surface of the workbench 4 is used to slide and place the fire door body 1. A fixing frame 6 is arranged at the rear side of the top surface of the workbench 4. The top of the fixing frame 6 also includes an edge pressing assembly 3.

[0032] The edge pressing assembly 3 includes a first motor 31 fixedly arranged on the top of the fixing frame 6, a first threaded shaft 32 is fixedly arranged at the end of the main shaft of the first motor 31, and the first threaded shaft 32 penetrates the fixing frame 6, an upper pressing plate 33 is rotatably arranged at the bottom of the first threaded shaft 32, an extrusion block 37 is slidably arranged on the back of the upper pressing plate 33, and the extrusion block 37 penetrates the upper pressing plate 33, and a second motor 38 is fixedly arranged on both sides of the upper pressing plate 33, a second threaded shaft 39 is fixedly arranged at the end of the main shaft of the second motor 38, and the second threaded shaft 39 penetrates the fixing block 310, and the fixing block 310 is fixedly arranged with the extrusion block 37, and the second motor 38 is turned on to drive the second threaded shaft 39, the extrusion block 37, and the fixing block 310 to perform secondary processing on the undesirable places after processing, so as to ensure that the steel sheet and the fire door are closely fitted, and there will be no bulging and flashing seams in the production process, and the installation of the fire door is convenient;

[0033] Specifically, the two sides of the workbench 4 also include clamping assemblies 2;

[0034] The clamping assembly 2 includes a cylinder 21 fixedly arranged at both ends of the workbench 4, and the output end of the cylinder 21 passes through the clamping block 22 and the workbench 4; turning on the cylinder switch 21 pushes the clamping block 22 to clamp the fire door body 1 and fix the fire door body 1.

[0035] Furthermore, a lower pressing plate 311 is provided below the upper pressing plate 33, and the lower pressing plate 311 is fixedly connected to the workbench 4. A guide shaft 34 is provided at one end of the upper pressing plate 33, and the guide shaft 34 passes through the upper pressing plate 33 and the buffer plate 35. A spring 36 is provided on the outer sleeve of the guide shaft 34. The spring 36 plays a buffering role in the edge pressing process. Under the action of the spring 36, the buffer plate 35 can slowly and continuously squeeze the fire door body 1 to ensure that the steel sheet fits tightly with the fire door body 1 to avoid gaps.

[0036] It is worth noting that the bottom surface of the workbench 4 also includes a conveying assembly 5;

[0037] The transmission assembly 5 includes a third motor 51 fixedly arranged on the bottom surface of the workbench 4, a belt conveyor 52 fixedly arranged at the output end of the third motor 51, a transmission shaft 53 fixedly arranged at the output end of the third motor 51, bearing seats 54 arranged at both ends of the transmission shaft 53, bolts 55 arranged inside the bearing seats 54, the bolts 55 penetrate the bearing seats 54 and the workbench 4, and the bolts 55 are threadedly connected to the workbench 4, a transverse groove is arranged on the surface of the workbench 4, and the belt conveyor 52 is in the transverse groove position, and the diameter of the bearing seat 54 is adapted to the diameter of the transmission shaft 53. Turning on the switch of the third motor 51 drives the belt conveyor 52 and the transmission shaft 53 to rotate together, and the fire door body 1 is transmitted to the position of the edge pressing assembly 3.

[0038] Among them, the first motor 31 and the second motor 38 are existing technologies and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of this patent and will not be described in detail.

[0039] Working principle and process:

[0040] The fire door pressing device is used to press the fire door body 1. First, the fire door body 1 is placed on the top of the workbench 4, and then the third motor 51 is turned on to work, driving the belt conveyor 52 and the transmission shaft 53 at the end of the main shaft to rotate, and at the same time, the same device at the other end rotates to transfer the fire door body 1 to the specified position. A bolt 55 is provided inside the bearing seat 54, and the bolt 55 penetrates the bearing seat 54 and is connected to the workbench 4 at the same time, and the bolt 55 is spirally connected to the workbench 4, and then the switch of the cylinder 21 is turned on to work, and the cylinder 21 pushes the clamping block 22 to move inward. The fire door body 1 is clamped by the first motor 31, and finally the first motor 31 is turned on to control the first threaded shaft 32 and the upper pressure plate 33 to move downward, and together with the lower pressure plate 311, the fire door body 1 is pressed. The guide shaft 34, the buffer plate 35 and the spring 36 play a buffering role in the pressing process; when the extrusion phenomenon is not ideal, the second motor 38 is turned on to drive the second threaded shaft 39, the extrusion block 37, and the fixed block 310 to perform secondary processing on the undesirable places after processing, so as to ensure that the steel sheet and the fire door are closely fitted, and there will be no bulging and flashing in the production process, so as to facilitate the installation of the fire door.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crimping device for fire door production, comprising a workbench (4) and a conveying assembly (5), characterized in that: The top surface of the workbench (4) is used to slide the fire door body (1), a fixing frame (6) is provided at the rear side of the top surface of the workbench (4), and the top of the fixing frame (6) also includes a pressing edge assembly (3); The edge pressing assembly (3) comprises a first motor (31) fixedly arranged on the top of the fixing frame (6); a first threaded shaft (32) is fixedly arranged at the end of the main shaft of the first motor (31), and the first threaded shaft (32) passes through the fixing frame (6); an upper pressing plate (33) is rotatably arranged at the bottom of the first threaded shaft (32); an extrusion block (37) is slidably arranged on the back of the upper pressing plate (33), and the extrusion block (37) passes through the upper pressing plate (33); a second motor (38) is fixedly arranged on both sides of the upper pressing plate (33); a second threaded shaft (39) is fixedly arranged at the end of the main shaft of the second motor (38), and the second threaded shaft (39) passes through the fixing block (310); the fixing block (310) and the extrusion block (37) are fixedly arranged.

2. The edge pressing device for fire door production according to claim 1, characterized in that: The workbench (4) further comprises clamping assemblies (2) on both sides; The clamping assembly (2) comprises a cylinder (21) fixedly arranged at both ends of the workbench (4), and the output end of the cylinder (21) passes through the clamping block (22) and the workbench (4).

3. The edge pressing device for fire door production according to claim 1, characterized in that: A lower pressing plate (311) is arranged below the upper pressing plate (33), and the lower pressing plate (311) is fixedly connected to the workbench (4). A guide shaft (34) is arranged at one end of the upper pressing plate (33), and the guide shaft (34) passes through the upper pressing plate (33) and the buffer plate (35). A spring (36) is sleeved on the outside of the guide shaft (34).

4. The edge pressing device for fire door production according to claim 3 is characterized in that: The thickness of the buffer plate (35) is equal to the thickness of the upper pressing plate (33), and the front end of the extrusion block (37) is arranged at an oblique angle.

5. The edge pressing device for fire door production according to claim 1, characterized in that: The bottom surface of the workbench (4) also includes a conveying component (5); The transmission assembly (5) comprises a third motor (51) fixedly arranged on the bottom surface of the workbench (4); a belt conveyor (52) is fixedly arranged at the output end of the third motor (51); a transmission shaft (53) is fixedly arranged at the output end of the third motor (51); bearing seats (54) are arranged at both ends of the transmission shaft (53); a bolt (55) is arranged inside the bearing seat (54); the bolt (55) passes through the bearing seat (54) and the workbench (4), and the bolt (55) is threadedly connected to the workbench (4).

6. The edge pressing device for fire door production according to claim 5, characterized in that: The surface of the workbench (4) is provided with a transverse groove, and the belt conveyor (52) is located in the transverse groove. The diameter of the bearing seat (54) is adapted to the diameter of the transmission shaft (53).

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