Hot press for fireproof door production

Abstract

The utility model relates to the technical field of hot presses, in particular to a hot press for fireproof door production, which comprises a machine body, the machine body comprises a machine frame, supporting legs are fixedly connected to the surface of the machine frame, a supporting platform is fixedly connected to the surfaces of the supporting legs, and a hydraulic oil cylinder is arranged on the surface of the machine frame. An output shaft of the hydraulic oil cylinder is fixedly connected with a hot pressing plate; and the counterweight mechanism comprises a counterweight box, a placement groove is formed in the surface of the hot pressing plate, and the counterweight box is placed in the placement groove. Through the connection of the weight box and the cover cap and the connection of the weight box and the partition plate, the effect of partitioning the space of the weight box is achieved, the distributed use performance and the weight balancing effect of the weight box are improved by changing the weight of the position in the weight box, and through the threaded connection of the screw rod and the screw hole in the pressing groove, the weight of the weight box is reduced. And the abutting and supporting effect on the position of the limiting block in the limiting groove is achieved, and the stability performance of the weight box placed and used in the placing groove is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot presses, and specifically relates to a hot press for fire door production. Background Art

[0002] A fire door refers to a door that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. It is a fire separation with a certain fire resistance set in fire compartments, evacuation stairwells, vertical shafts, etc.

[0003] The hot press for fire doors is one of the main equipment in the fire door production process. It consists of three main parts: the hot press body, the control and drive part, and the heating system. By using the hot press, it is convenient to carry out production and processing operations on fire doors. However, when using the existing hot press, the pressure of the hot press comes from the hydraulic cylinder. When processing fire doors, the pressure received by the edge part is smaller than that of the middle part. During the processing process, the overall pressure on the fire door is uneven, which affects the production and processing efficiency and effect. Content of the Utility Model

[0004] The purpose of the utility model is to provide a hot press for fire door production, so as to solve the problem that when processing fire doors, the pressure received by the edge part is smaller than that of the middle part, and during the processing process, the overall pressure on the fire door is uneven, which affects the production and processing efficiency and effect as mentioned in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A hot press for fire door production, comprising:

[0006] A machine body, including a frame. The surface of the frame is fixedly connected with support legs, the surface of the support legs is fixedly connected with a support platform, a hydraulic cylinder is arranged on the surface of the frame, and the output shaft of the hydraulic cylinder is fixedly connected with a hot pressing plate;

[0007] A counterweight mechanism, including a counterweight box. A placement groove is opened on the surface of the hot pressing plate, the counterweight box is placed inside the placement groove, a pressing groove is opened on the surface of the hot pressing plate, a limiting groove is opened inside the pressing groove, a pressing plate is inserted and connected inside the pressing groove, a resisting block is fixedly connected to the surface of the pressing plate, a screw rod penetrates through the middle position of the pressing plate, a cap is covered on the surface of the counterweight box, a partition plate is fixedly connected inside the counterweight box, and a limiting block is fixedly connected to the outer surface of the counterweight box.

[0008] Preferably, the hot pressing plate acts above the support platform through the hydraulic cylinder. The support legs are distributed in four groups on both sides of the support platform. A sliding block is fixedly connected to the surface of the hot pressing plate close to the support legs, and the sliding block is slidably connected with the support legs.

[0009] Preferably, the placement grooves are evenly opened on the upper surface of the hot pressing plate, the counterweight box is fitted and connected to the surface of the hot pressing plate through the placement grooves, and the pressing grooves are oppositely opened in two groups on both sides of the placement grooves.

[0010] Preferably, the limiting grooves are opened in a square groove shape on both sides of the pressing grooves, the limiting grooves are slidably connected with the limiting blocks, and the abutting blocks are inserted and connected to the limiting grooves through the pressing plates.

[0011] Preferably, a screw hole is opened at the middle position of the pressing groove, the screw rod penetrates through the pressing plate and is threadedly rotated and connected to the screw hole at the position of the pressing groove, and the pressing plate is abutted and connected to the pressing groove through the screw rod.

[0012] Preferably, the abutting blocks are cylindrical in shape, the abutting blocks are abutted and connected to the limiting blocks through the limiting grooves, the inside of the counterweight box is hollow, a bottle mouth is communicated with the surface of the counterweight box, and the cap is connected to the bottle mouth on the counterweight box through threads.

[0013] Preferably, the partition plates are connected in a plate shape inside the counterweight box, and the two groups of partition plates are evenly distributed inside the counterweight box.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. Through the connection between the hot pressing plate and the placement grooves, and the fitting connection between the placement grooves and the counterweight box, the regulation effect of the weight used by the hot pressing plate is realized, and the downward pressing force application positions can be reasonably distributed. Through the connection between the counterweight box and the cap, and the connection between the counterweight box and the partition plates, the partition effect on the space of the counterweight box is achieved, and by changing the weight at the position inside the counterweight box, its distribution use performance and counterweight effect are improved.

[0016] 2. Through the connection between the counterweight box and the limiting blocks, and the insertion and sliding between the limiting blocks and the limiting grooves, the limiting and supporting effect on the placement of the counterweight box in the placement grooves is realized. Through the connection between the pressing plates and the abutting blocks, and the threaded connection between the screw rods and the screw holes on the pressing grooves, the abutting and supporting effect on the position of the limiting blocks in the limiting grooves is realized, and the stable performance of the counterweight box placed and used in the placement grooves is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a front three-dimensional schematic view of the structure of the present utility model;

[0018] Figure 2 is a back three-dimensional schematic view of the structure of the present utility model;

[0019] Figure 3 is a three-dimensional schematic view of the connection structure between the hydraulic cylinder and the hot pressing plate of the present utility model;

[0020] Figure 4 is a partial three-dimensional exploded schematic view of the connection structure between the hot pressing plate and the counterweight box of the present utility model;

[0021] Figure 5 For the present utility model Figure 4 is a partial sectional three-dimensional schematic diagram of the structure of the counterweight box in it.

[0022] In the figure: 1. Frame; 11. Support leg; 12. Support platform; 13. Hydraulic cylinder; 14. Hot pressing plate; 2. Counterweight box; 21. Placing groove; 22. Pressing groove; 23. Limiting groove; 24. Pressing plate; 25. Block; 26. Screw; 27. Cap; 28. Partition board; 29. Limiting block. Specific embodiments

[0023] 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 making creative efforts belong to the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , an embodiment provided by the present utility model:

[0025] A hot press for fire door production, comprising:

[0026] A machine body, including a frame 1. A support leg 11 is fixedly connected to the surface of the frame 1. A support platform 12 is fixedly connected to the surface of the support leg 11. A hydraulic cylinder 13 is arranged on the surface of the frame 1. The output shaft of the hydraulic cylinder 13 is fixedly connected to a hot pressing plate 14. Under the connection of the frame 1 and the support leg 11, through the connection of the support leg 11 and the support platform 12, the connection of the frame 1 and the hydraulic cylinder 13, and under the connection of the hydraulic cylinder 13 and the hot pressing plate 14, the control operation of the acting position of the hot pressing plate 14 above the support platform 12 is completed, achieving the hot pressing effect on the fire door;

[0027] The counterweight mechanism includes a counterweight box 2. A placement groove 21 is formed on the surface of the hot pressing plate 14, and the counterweight box 2 is placed inside the placement groove 21. A pressing groove 22 is formed on the surface of the hot pressing plate 14, and a limiting groove 23 is formed inside the pressing groove 22. A pressing plate 24 is inserted and connected inside the pressing groove 22. A resisting block 25 is fixedly connected to the surface of the pressing plate 24. A screw rod 26 penetrates through the middle position of the pressing plate 24. A cap 27 is provided on the surface of the counterweight box 2. A partition plate 28 is fixedly connected inside the counterweight box 2. A limiting block 29 is fixedly connected to the outer surface of the counterweight box 2. Through the fitting connection between the counterweight box 2 and the placement groove 21, the placement groove 21 realizes the supporting effect on the connection position of the counterweight box 2 on the hot pressing plate 14. Through the connection between the pressing plate 24 and the screw rod 26, the screw rod 26 realizes the supporting control effect on the connection position of the counterweight box 2 inside the placement groove 21.

[0028] Further, the hot pressing plate 14 acts above the supporting platform 12 through a hydraulic cylinder 13. Four groups of supporting legs 11 are distributed on both sides of the supporting platform 12. A sliding block is fixedly connected to the surface of the hot pressing plate 14 close to the supporting legs 11, and the sliding block is slidably connected to the supporting legs 11. Through the connection between the hydraulic cylinder 13 and the hot pressing plate 14, the hydraulic cylinder 13 realizes the regulation effect on the acting position of the hot pressing plate 14 above the supporting platform 12.

[0029] Further, the placement grooves 21 are evenly formed on the upper surface of the hot pressing plate 14. The counterweight box 2 is fitted and connected to the surface of the hot pressing plate 14 through the placement grooves 21. Two groups of opposing pressing grooves 22 are formed on both sides of the placement groove 21. Through the connection between the hot pressing plate 14 and the placement groove 21, the placement groove 21 realizes the supporting and limiting effect on the placement position of the counterweight box 2 on the hot pressing plate 14.

[0030] Further, the limiting grooves 23 are formed in a square groove shape on both sides of the pressing groove 22. The limiting grooves 23 are slidably connected to the limiting blocks 29. The resisting block 25 is inserted and connected to the limiting grooves 23 through the pressing plate 24. Through the connection between the pressing groove 22 and the limiting groove 23, under the sliding connection between the limiting blocks 29 and the limiting grooves 23, the stable supporting effect on the placement of the counterweight box 2 inside the placement groove 21 is realized.

[0031] Further, a screw hole is formed in the middle position of the pressing groove 22. The screw rod 26 is threadedly rotated and connected to the screw hole at the position where the screw rod 26 penetrates through the pressing plate 24 and the pressing groove 22. The pressing plate 24 is abutted and connected to the pressing groove 22 through the screw rod 26. Through the threaded connection between the screw hole on the pressing groove 22 and the screw rod 26, the supporting control effect on the acting position of the pressing plate 24 inside the pressing groove 22 is realized.

[0032] Further, the abutting block 25 is in a cylindrical shape. The abutting block 25 is connected in an abutting manner through the limiting groove 23 and the limiting block 29. The interior of the counterweight box 2 is hollow. A bottle mouth is communicated and arranged on the surface of the counterweight box 2. The cap 27 is connected to the bottle mouth on the counterweight box 2 through threads. Through the insertion connection of the limiting groove 23 and the limiting block 29, under the abutting connection of the abutting block 25 and the limiting block 29, the supporting control effect on the connection position of the limiting block 29 in the limiting groove 23 is realized.

[0033] Further, the partition plate 28 is connected in a plate shape inside the counterweight box 2. The partition plates 28 are evenly distributed in two groups inside the counterweight box 2. Through the connection of the counterweight box 2 and the partition plate 28, under the action of the partition plate 28, the partitioning operation of the internal space of the counterweight box 2 is realized, which is convenient for controlling the weight distribution of the counterweight box 2, improving the use performance and effect of the hot pressing plate 14, and achieving the reasonable distribution effect of the use weight of the hot pressing plate 14.

[0034] Working principle: When performing hot pressing operation on the fire door, through the connection of the output shaft of the hydraulic cylinder 13 and the hot pressing plate 14, the hot pressing plate 14 and the supporting platform 12 perform hot pressing operation on the fire door. Through the connection of the hot pressing plate 14 and the placing groove 21, and the fitting connection of the counterweight box 2 and the placing groove 21, by filling metal balls inside the counterweight box 2, the control operation of the use weight of the counterweight box 2 on the hot pressing plate 14 is completed. Through the connection of the counterweight box 2 and the limiting block 29, and the connection of the limiting groove 23 and the pressing groove 22, under the action of the pressing plate 24 and the abutting block 25, the control and supporting effect on the position of the limiting block 29 in the limiting groove 23 is realized, improving the use performance and effect of the counterweight box 2 on the hot pressing plate 14, and further improving the hot pressing operation performance of the fire door.

[0035] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described 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, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A hot press for producing fire doors, characterized in that: include: The machine body comprises a frame (1), a support leg (11) is fixedly connected to the surface of the frame (1), a support platform (12) is fixedly connected to the surface of the support leg (11), a hydraulic cylinder (13) is arranged on the surface of the frame (1), and an output shaft of the hydraulic cylinder (13) is fixedly connected to a hot pressing plate (14); The counterweight mechanism comprises a counterweight box (2), a placement groove (21) is provided on the surface of the hot pressing plate (14), the counterweight box (2) is placed inside the placement groove (21), a pressing groove (22) is provided on the surface of the hot pressing plate (14), a limiting groove (23) is provided on the inner side of the pressing groove (22), a pressing plate (24) is plugged and connected to the inner side of the pressing groove (22), a stop block (25) is fixedly connected to the surface of the pressing plate (24), a screw rod (26) is connected through the middle position of the pressing plate (24), a cover cap (27) is provided on the surface of the counterweight box (2), a partition (28) is fixedly connected to the inside of the counterweight box (2), and a limiting block (29) is fixedly connected to the outer surface of the counterweight box (2).

2. A hot press for producing fire doors according to claim 1, characterized in that: The hot pressing plate (14) acts on the top of the supporting platform (12) through the hydraulic cylinder (13); the supporting legs (11) are distributed in four groups on both sides of the supporting platform (12); a sliding block is fixedly connected to the surface of the hot pressing plate (14) close to the supporting leg (11), and the sliding block and the supporting leg (11) are slidably connected.

3. A hot press for producing fire doors according to claim 1, characterized in that: The placement grooves (21) are evenly arranged on the upper surface of the hot pressing plate (14); the counterweight box (2) is connected to the surface of the hot pressing plate (14) through the placement grooves (21); and the pressing grooves (22) are arranged in two opposite groups on both sides of the placement grooves (21).

4. A hot press for producing fire doors according to claim 1, characterized in that: The limiting groove (23) is in the shape of a square groove and is opened on both sides of the pressing groove (22); the limiting groove (23) and the limiting block (29) are slidably connected; and the stop block (25) is plug-in-connected with the limiting groove (23) via the pressing plate (24).

5. A hot press for producing fire doors according to claim 1, characterized in that: A screw hole is provided in the middle of the pressing groove (22), and the screw rod (26) passes through the screw hole at the pressing plate (24) and the pressing groove (22) to be threadedly rotatably connected, and the pressing plate (24) is abutted and connected with the pressing groove (22) through the screw rod (26).

6. A hot press for producing fire doors according to claim 1, characterized in that: The stop block (25) is cylindrical in shape, and is connected to the stop block (29) by abutting against the stop groove (23). The interior of the counterweight box (2) is hollow, and a bottle mouth is provided on the surface of the counterweight box (2). The cover cap (27) is connected to the bottle mouth of the counterweight box (2) by a thread.

7. A hot press for producing fire doors according to claim 1, characterized in that: The partitions (28) are in the form of plates connected to the inside of the counterweight box (2); the partitions (28) are in two groups and are evenly distributed inside the counterweight box (2).

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