Hot pressboard convenient to maintain for board hot press

Through the combined installation structure and sealing reinforcement measures, the problem of inconvenient maintenance of the hot press plate is solved, efficient maintenance and uniform heating are achieved, maintenance costs are reduced, and the service life of the hot press plate is extended.

CN223173192UActive Publication Date: 2025-08-01LICHENG (DONGGUAN) CREATIVE DESIGN CO LTD
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Patent Information

Application Number
CN202422164641.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-08-01
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The existing hot press plate is an integral structure. When problems occur in internal heating components, it needs to be replaced as a whole, which is inconvenient for maintenance and leads to high maintenance costs.

Method used

It adopts a combined installation structure, including adjustment rods, sliders, pipe clamps, heat conduction pipes and heat conduction sheets, and the adjustable spacing of the upper and lower pressure plates is achieved through bolt connections, which is convenient for maintenance; strengthens the sealing and structural strength, and uses sealing rings, gaskets and pressure dividers to ensure uniform heat diffusing and stable connection.

Benefits of technology

It improves the efficiency of maintenance and replacement parts, reduces maintenance costs, extends the service life of the hot press plate, achieves uniform heating and sealing of the hot press plate, and avoids the local heating temperature not meeting the standard.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plate hot press hot pressboard convenient to maintain, which comprises a lower pressboard, the two sides of the front side and the two sides of the back side of the lower pressboard are fixedly connected with fixing blocks, and the upper surfaces of the fixing blocks are rotatably connected with adjusting rods. According to the convenient-to-maintain hot pressboard for the plate hot press, through the arrangement of an adjusting rod, a sliding block, a pipe clamp, a heat conduction pipe and a heat conduction piece, a screw pipe is inserted into the upper pressing plate and the sliding block, the sliding block and the upper pressing plate are installed through a first bolt, the adjusting rod is rotated to enable the sliding block to move up and down, and the distance between the lower pressing plate and the upper pressing plate is adjusted; the components in the lower pressing plate can be checked and maintained, the heat conduction pipes and the heat conduction pieces are clamped in the multiple pipe clamps, the disassembly and assembly efficiency of people for maintaining and replacing the components is improved, only part of the components need to be replaced when the components are damaged, the heat conduction pipes and the multiple heat conduction pieces are used in cooperation, and the heat conduction efficiency is improved. And heat can be better diffused into the upper pressing plate and the lower pressing plate, and the overall heating uniformity of the hot pressing plate is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot presses, in particular to a hot pressing plate for a sheet hot press which is convenient for maintenance. Background Technique

[0002] Hot pressing is a technological process of heating and pressing the formed slab simultaneously to make fiber sheets with certain mechanical strength and water resistance. Whether it is the wet production of hard boards or semi-hard boards, or the dry production of hard boards or medium density fiberboards, they all need to go through hot pressing to become sheets. During hot pressing, the fibers are in close contact, and the mutual diffusion movement of the lignin and hemicellulose macromolecular chains and the macromolecules themselves, which were originally in a bound state, gradually intensifies until the intermolecular attraction and hydrogen bonds take effect, and the interface disappears to complete the gluing process.

[0003] After retrieval, Chinese Patent Publication No. CN220197985U discloses a hot press which is convenient for replacing the hot pressing plate, belonging to the technical field of wood processing. It includes: a base and a hot pressing plate body. Both sides of the top of the base are fixedly installed with support plates, and the tops of the two support plates are fixedly connected to the same base. A hydraulic cylinder is fixedly installed on the top of the base, and an installation frame is fixedly connected to the output end of the hydraulic cylinder. The bottom of the installation frame is fixedly connected with an installation plate, and a heating plate is fixedly installed at the bottom of the installation plate; a stepped groove is opened at the top of the hot pressing plate body, and the installation plate and the heating are both movably inserted into the stepped groove, and clamping grooves are opened on both sides of the hot pressing plate body. Through the mutual cooperation among the clamping plate, the connecting plate, the arc-shaped rod and the turntable, the utility model conveniently realizes the quick installation and disassembly of the hot pressing plate in the hot press, thereby facilitating the replacement thereof.

[0004] Although the above patent can install and disassemble the hot pressing plate, the hot pressing plate is an integral structure. Once a problem occurs in the internal heating component, the whole needs to be replaced, which is not convenient for maintenance and leads to an increase in cost. Therefore, it is necessary to design a hot pressing plate for a sheet hot press which is convenient for maintenance to solve the above problems. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a hot pressing plate for a sheet hot press which is convenient for maintenance, and can effectively solve the problems in the background technique.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A hot pressing plate for a plate hot press that is convenient for maintenance, including a lower pressing plate. Both sides of the front surface and both sides of the back surface of the lower pressing plate are fixedly connected with fixing blocks. The upper surface of the fixing block is rotatably connected with an adjusting rod. A slider is threadedly connected to the outer surface of the adjusting rod. The lower surface of the slider is movably connected with an upper pressing plate. On the inner top wall of the upper pressing plate, close to one side of the slider, there is a movable connection with a screw tube. A first bolt is threadedly connected inside the screw tube. The inner bottom wall of the lower pressing plate is fixedly connected with a pipe clamp. A heat conduction tube is movably connected inside the pipe clamp. A heat conduction fin is inserted on the outer surface of the pipe clamp, and the heat conduction fin is movably connected to the heat conduction tube.

[0008] In order to achieve the effect of facilitating the control of the adjusting rod, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, one end of the adjusting rod is fixedly connected with a rocker, and a nut is threadedly connected to the outer surface of the adjusting rod, close to one side of the slider.

[0009] In order to achieve the effect of strengthening the installation sealing performance of the heat conduction tube, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, clamping mouths are opened on both sides of the front surfaces of the lower pressing plate and the upper pressing plate, and a rubber pad is fixedly connected inside the clamping mouths.

[0010] In order to achieve the effect of strengthening the connection sealing performance between the upper pressing plate and the lower pressing plate, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, a groove is opened on the upper surface of the lower pressing plate, and a sealing ring is fixedly connected to the lower surface of the upper pressing plate.

[0011] In order to achieve the effect of facilitating the protection of the lower pressing plate, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, a cushion plate is movably connected to the lower surface of the lower pressing plate, and clamping blocks are fixedly connected to both sides of the upper surface of the cushion plate.

[0012] In order to achieve the effect of facilitating the installation of the cushion plate, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, a card slot is opened on the outer surface of the lower pressing plate, close to one side of the clamping block. Installation holes are opened on the outer surfaces of the card slot and the clamping block, and a second bolt is threadedly connected inside the installation hole.

[0013] In order to achieve the effect of facilitating voltage division, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, a voltage dividing plate is fixedly connected to the inner top wall of the upper pressing plate.

[0014] In order to achieve the effect of facilitating the connection of the driving mechanism, as a hot pressing plate for a plate hot press that is convenient for maintenance in the present utility model, a connecting plate is fixedly connected to the middle of the upper surface of the upper pressing plate. A cylinder seat is fixedly connected to the middle of the upper surface of the connecting plate. A connection hole is opened on one side of the outer surface of the cylinder seat. A reinforcing rib is fixedly connected to the upper surface of the connecting plate, and the reinforcing rib is fixedly connected to the cylinder seat.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In the utility model, through the settings of the adjusting rod, slider, pipe clamp, heat conduction pipe and heat conduction sheet, the screw pipe is inserted into the upper pressing plate and the inside of the slider, and the slider and the upper pressing plate are installed through the first bolt. By rotating the adjusting rod, the slider moves up and down to adjust the distance between the lower pressing plate and the upper pressing plate, so that the components inside the lower pressing plate can be inspected and maintained. The heat conduction pipe and the heat conduction sheet are clamped inside a plurality of pipe clamps. The combined installation structure improves the disassembly and assembly efficiency of people for maintaining and replacing components. When damaged, only some component parts need to be replaced. The heat conduction pipe and a plurality of heat conduction sheets are used in cooperation with each other, so that heat can be better diffused into the upper pressing plate and the lower pressing plate, realizing the uniformity of the overall heating of the hot pressing plate.

[0017] 2. In the utility model, through the settings of the sealing ring, backing plate and dividing pressing plate, when the lower pressing plate and the upper pressing plate are connected, the sealing ring is clamped inside the groove, which can strengthen the sealing performance at the connection of the two, reduce heat loss, prevent external dust from entering, and the sealing effect is enhanced. The backing plate is made of stainless steel material, which can avoid the composite glue or moisture extruded during hot pressing from corroding the lower pressing plate. When corrosion occurs, the backing plate can be directly replaced, with low cost. The dividing pressing plate is fixed on the inner top wall of the upper pressing plate, which can strengthen the structural strength of the upper pressing plate, avoid the phenomenon that the upper pressing plate is damaged due to excessive instantaneous punching pressure, effectively extend the service life of the hot pressing plate, and at the same time enable the hot pressing plate to perform uniform hot pressing during hot pressing. Description of the Drawings

[0018] Figure 1 is the front view structural schematic diagram of the embodiment of the utility model;

[0019] Figure 2 is the exploded structural schematic diagram of the embodiment of the utility model;

[0020] Figure 3 is the structural schematic diagram of the adjusting rod of the embodiment of the utility model;

[0021] Figure 4 is the structural schematic diagram of the lower pressing plate of the embodiment of the utility model;

[0022] Figure 5 is the structural schematic diagram of the upper pressing plate of the embodiment of the utility model.

[0023] In the figure: 1. Lower pressing plate; 2. Fixed block; 3. Adjusting rod; 4. Slide block; 5. Upper pressing plate; 6. Screw tube; 7. First bolt; 8. Pipe clamp; 9. Heat conduction tube; 10. Heat conduction fin; 11. Rocker; 12. Nut; 13. Clamping opening; 14. Rubber pad; 15. Groove; 16. Sealing ring; 17. Backing plate; 18. Block; 19. Slot; 20. Mounting hole; 21. Second bolt; 22. Sub-pressing plate; 23. Connecting plate; 24. Cylinder base; 25. Connecting hole; 26. Reinforcing rib. Detailed implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment

[0026] As Figures 1-5 shown, a heat pressing plate for a sheet hot press machine that is convenient for maintenance includes a lower pressing plate 1. Fixed blocks 2 are fixedly connected to both sides of the front surface and both sides of the back surface of the lower pressing plate 1. An adjusting rod 3 is rotatably connected to the upper surface of the fixed block 2. A slide block 4 is threadedly connected to the outer surface of the adjusting rod 3. The lower surface of the slide block 4 is movably connected to an upper pressing plate 5; on the inner top wall of the upper pressing plate 5 near the slide block 4, a screw tube 6 is movably connected. A first bolt 7 is threadedly connected to the inside of the screw tube 6. A pipe clamp 8 is fixedly connected to the inner bottom wall of the lower pressing plate 1. A heat conduction tube 9 is movably connected to the inside of the pipe clamp 8. A heat conduction fin 10 is inserted into the outer surface of the pipe clamp 8. The heat conduction fin 10 is movably connected to the heat conduction tube 9.

[0027] During specific use, through the settings of the adjusting rod 3, slider 4, pipe clamp 8, heat conduction pipe 9 and heat conduction sheet 10, one end of the adjusting rod 3 is rotatably connected to the upper surface of the fixed block 2, playing a role in supporting and adjusting. The slider 4 is in contact with the upper pressure plate 5, the screw tube 6 is inserted into the inside of the upper pressure plate 5 and the slider 4, and it is fixed by the first bolt 7, so that the slider 4 and the upper pressure plate 5 are installed and fixed. Rotating the adjusting rod 3 makes the slider 4 on its outer surface move up and down, and the distance between the lower pressure plate 1 and the upper pressure plate 5 can be adjusted. When the two are closed, they are combined into a hot pressing plate for hot pressing use. When the two are separated, the components inside the lower pressure plate 1 can be inspected and maintained. The heat conduction pipes 9 and heat conduction sheets 10 are clamped inside a plurality of pipe clamps 8 to ensure stability during use. The combined installation structure makes installation and disassembly more convenient, saves installation time and steps, improves the disassembly and assembly efficiency of people's maintenance and component replacement, greatly simplifies the connection difficulty, and only requires replacing some component parts when damaged, reducing costs. The heat conduction pipe 9 is a bent pipe, with slow heat loss and enhanced heating effect, and when used in cooperation with a plurality of heat conduction sheets 10, the heat can be better diffused into the inside of the upper pressure plate 1 and the lower pressure plate 5, realizing the uniformity of overall heating of the hot pressing plate, avoiding unqualified local heating temperature, and improving heating efficiency and working efficiency.

[0028] In this embodiment, a rocker 11 is fixedly connected to one end of the adjusting rod 3, and a nut 12 is threadedly connected to the outer surface of the adjusting rod 3 near the slider 4.

[0029] During specific use, through the settings of the rocker 11 and the nut 12, the rocker 11 is fixed at the top of the adjusting rod 3, facilitating the operation and control of the adjusting rod 3, convenient for hand force application, increasing the convenience of use. The nut 12 locks the adjusting rod 3 when it is not in use, avoiding the phenomenon of self-rotation and ensuring stability during use.

[0030] In this embodiment, clamping mouths 13 are opened on both sides of the front surfaces of the lower pressure plate 1 and the upper pressure plate 5, and a rubber pad 14 is fixedly connected inside the clamping mouths 13.

[0031] During specific use, through the setting of the rubber pad 14, the rubber pad 14 is fixed inside the clamping mouth 13, and both are semi-circular structures, facilitating the positioning of the heat conduction pipe 9, so that the sealing performance and firmness are enhanced after the heat conduction pipe 9 is installed.

[0032] In this embodiment, a groove 15 is opened on the upper surface of the lower pressure plate 1, and a sealing ring 16 is fixedly connected to the lower surface of the upper pressure plate 5.

[0033] During specific use, through the setting of the sealing ring 16, when the lower pressure plate 1 and the upper pressure plate 5 are connected, the sealing ring 16 is clamped inside the groove 15, which can strengthen the sealing performance at the connection of the two, reduce heat loss, prevent external dust from entering, and enhance the sealing effect.

[0034] In this embodiment, a backing plate 17 is movably connected to the lower surface of the lower pressing plate 1, and clamping blocks 18 are fixedly connected to both sides of the upper surface of the backing plate 17.

[0035] During specific use, due to the arrangement of the backing plate 17, which is made of stainless steel material, it can prevent the composite glue or moisture extruded during hot pressing from corroding the lower pressing plate 1. When corrosion occurs, the backing plate 17 can be directly replaced, with low cost.

[0036] In this embodiment, a clamping groove 19 is formed on the outer surface of the lower pressing plate 1 near the clamping block 18. Mounting holes 20 are formed on the outer surfaces of both the clamping groove 19 and the clamping block 18, and a second bolt 21 is threadedly connected inside the mounting hole 20.

[0037] During specific use, due to the arrangement of the clamping groove 19, the clamping block 18 is clamped inside the clamping groove 19, preventing the backing plate 17 from shifting during use, with accurate positioning. The second bolt 21 is threadedly connected inside the corresponding mounting hole 20, thereby fixing the clamping block 18 inside the clamping groove 19, further strengthening the firmness of the connection, making the installation and disassembly of the backing plate 17 more convenient for the use of the staff.

[0038] In this embodiment, a dividing pressing plate 22 is fixedly connected to the inner top wall of the upper pressing plate 5.

[0039] During specific use, due to the arrangement of the dividing pressing plate 22, which is fixedly connected to the inner top wall of the upper pressing plate 5, it can strengthen the structural strength of the upper pressing plate 5, prevent the instantaneous punching force from being too large and causing damage to the upper pressing plate 5, effectively extending the service life of the hot pressing plate, and enabling the hot pressing plate to perform uniform hot pressing during hot pressing.

[0040] In this embodiment, a connecting plate 23 is fixedly connected to the middle of the upper surface of the upper pressing plate 5. A cylinder base 24 is fixedly connected to the middle of the upper surface of the connecting plate 23. A connecting hole 25 is formed on one side of the outer surface of the cylinder base 24. A reinforcing rib 26 is fixedly connected to the upper surface of the connecting plate 23, and the reinforcing rib 26 is fixedly connected to the cylinder base 24.

[0041] During specific use, due to the arrangement of the cylinder base 24, the cylinder base 24 is connected to the upper pressing plate 5 through the connecting plate 23. The cylinder base 24 is convenient for connecting to the output end of the driving mechanism of the hot press, and the two are fixed through the connecting hole 25. The reinforcing rib 26 can further strengthen the structural strength of the cylinder base 24, enhancing the stability and improving the convenience of installation.

[0042] Working principle: During use, the slider 4 is brought into contact with the upper pressing plate 5, the solenoid tube 6 is inserted into the interior of the upper pressing plate 5 and the slider 4, and the slider 4 and the upper pressing plate 5 are fixed by the first bolt 7. The heat conduction tube 9 and the heat conduction fins 10 are clamped inside a plurality of pipe clamps 8. The cylinder base 24 is connected to the upper pressing plate 5 through the connecting plate 23, and the cylinder base 24 is connected to the output end of the hot press driving mechanism, and the two are fixed through the connecting hole 25. The adjusting rod 3 is controlled by the rocker 11 to move the slider 4 on its outer surface up and down to adjust the distance between the lower pressing plate 1 and the upper pressing plate 5. When the two are closed, they are combined into a hot pressing plate for hot pressing. The rubber pad 14 is fixed inside the clamping opening 13 to position the heat conduction tube 9. The sealing ring 16 is clamped inside the groove 15 to enhance the sealing performance at the connection between the lower pressing plate 1 and the upper pressing plate 5. The heat conduction tube 9 and the plurality of heat conduction fins 10 cooperate with each other to better spread the heat into the interior of the upper pressing plate 1 and the lower pressing plate 5, realizing the uniformity of the overall heating of the hot pressing plate. The sub-pressing plate 22 is fixed to the inner top wall of the upper pressing plate 5, which can enhance the structural strength of the upper pressing plate 5 and avoid the phenomenon of damage to the upper pressing plate 5 caused by excessive instantaneous punching force. The backing plate 17 prevents the composite glue or moisture extruded during hot pressing from corroding the lower pressing plate 1. When corrosion occurs, the backing plate 17 can be directly replaced. When the upper pressing plate 1 and the lower pressing plate 5 are separated, the components inside the lower pressing plate 1 can be inspected and maintained, improving the disassembly and assembly efficiency of people for maintenance and component replacement. When damaged, only some component parts need to be replaced.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot pressing plate for a sheet hot press that is convenient for maintenance, including a lower pressing plate (1), characterized in that: On both sides of the front and back of the lower pressing plate (1), fixing blocks (2) are fixedly connected. The upper surface of the fixing block (2) is rotatably connected with an adjusting rod (3). The outer surface of the adjusting rod (3) is threadedly connected with a slider (4). The lower surface of the slider (4) is movably connected with an upper pressing plate (5). On the inner top wall of the upper pressing plate (5) near one side of the slider (4), a screw tube (6) is movably connected. Inside the screw tube (6), a first bolt (7) is threadedly connected. On the inner bottom wall of the lower pressing plate (1), a pipe clamp (8) is fixedly connected. Inside the pipe clamp (8), a heat conduction pipe (9) is movably connected. A heat conduction sheet (10) is inserted on the outer surface of the pipe clamp (8). The heat conduction sheet (10) is movably connected with the heat conduction pipe (9).

2. The hot pressing plate for a sheet hot press machine that is convenient for maintenance according to claim 1, wherein: One end of the adjusting rod (3) is fixedly connected with a rocker (11). On the outer surface of the adjusting rod (3) near one side of the slider (4), a nut (12) is threadedly connected.

3. The hot pressing plate for a plate hot press machine that is convenient for maintenance according to claim 1, wherein: On both sides of the front of the lower pressing plate (1) and the upper pressing plate (5), clamping openings (13) are provided. Inside the clamping openings (13), rubber pads (14) are fixedly connected.

4. A hot pressing plate for a sheet hot press machine that is easy to maintain according to claim 1, characterized in that: On the upper surface of the lower pressing plate (1), a groove (15) is provided. On the lower surface of the upper pressing plate (5), a sealing ring (16) is fixedly connected.

5. The hot pressing plate for a plate hot press machine that is convenient for maintenance according to claim 1, characterized in that: On the lower surface of the lower pressing plate (1), a cushion plate (17) is movably connected. On both sides of the upper surface of the cushion plate (17), clamping blocks (18) are fixedly connected.

6. The hot pressing plate for a sheet hot press machine that is convenient for maintenance according to claim 5, wherein: On the outer surface of the lower pressing plate (1) near one side of the clamping block (18), a clamping groove (19) is provided. On the outer surfaces of the clamping groove (19) and the clamping block (18), mounting holes (20) are provided. Inside the mounting holes (20), second bolts (21) are threadedly connected.

7. The hot pressing plate for a sheet hot press machine that is convenient for maintenance according to claim 1, wherein: On the inner top wall of the upper pressing plate (5), a sub-pressing plate (22) is fixedly connected.

8. The hot pressing plate for a plate hot press machine that is convenient for maintenance according to claim 1, wherein: In the middle of the upper surface of the upper pressing plate (5), a connecting plate (23) is fixedly connected. In the middle of the upper surface of the connecting plate (23), a cylinder base (24) is fixedly connected. On one side of the outer surface of the cylinder base (24), a connecting hole (25) is provided. On the upper surface of the connecting plate (23), a reinforcing rib (26) is fixedly connected. The reinforcing rib (26) is fixedly connected with the cylinder base (24).

Citation Information

Patent Citations

  • Hot press convenient for replacing hot pressboards

    CN220197985U