A steam press and hot press for wood working

Abstract

This application discloses a steam press and hot press for wood processing. The steam press includes a base plate and cover plates. The base plate includes a frame and support plates. Multiple support plates are evenly spaced within the frame, with both ends of each support plate fixed to the inner side of the frame. The spacing between adjacent support plates forms a steam channel. An annular groove is formed along the inner surface of the frame, connecting all the steam channels. Two cover plates are respectively placed on opposite surfaces of the base plate. Multiple vent holes are formed on the cover plates at corresponding positions of the steam channels, and these vent holes are connected to all the steam channels. This application's steam press, by employing a three-dimensional circulation network technology composed of multi-dimensional steam channels and annular grooves, and a bidirectional steam flow design with vent holes, effectively solves the problems of uneven steam distribution, condensate accumulation, and pressure imbalance in traditional presses, significantly improving wood hot pressing efficiency, processing quality, and equipment durability.

Description

Technical Field

[0001] This application relates to the field of wood processing technology, and more specifically, to a steam press and hot press for wood processing. Background Technology

[0002] In the field of wood hot pressing, traditional steam presses often employ a multi-layered horizontal lamination structure. While this provides basic pressure, uneven pressure distribution between layers can easily lead to warping or poor adhesion of the wood. Some improved solutions use vertical installation to save space, but vertical presses cause steam condensate to accumulate at the bottom, which can lead to wood warping due to moisture, reduced hot pressing efficiency, and equipment corrosion. Furthermore, existing steam channels are mostly unidirectional, resulting in uneven steam diffusion and potential localized overheating or underheating. To address these issues, there is an urgent need for a steam press that combines pressure equalization, efficient steam and condensate drainage, and optimized channel layout and structural design to achieve uniform heat conduction and dynamic condensate discharge, thereby improving processing quality and equipment durability. Utility Model Content

[0003] This application provides a steam press for wood processing, used in hot pressing of wood panels. The steam press includes a base plate and cover plates. The base plate includes a frame and support plates. Multiple support plates are evenly spaced within the frame, with both ends of each support plate fixed to the inner side of the frame. The spacing between adjacent support plates forms a steam channel. An annular groove is formed along the inner surface of the frame, connecting all the steam channels. Two cover plates respectively cover the opposite surfaces of the base plate. Multiple vent holes are formed on the cover plates at corresponding positions of the steam channels, and these vent holes communicate with all the steam channels.

[0004] In some embodiments, the outer surface of the frame is recessed to form a mounting groove for mounting the cover plate.

[0005] In some embodiments, the support plate is tilted relative to the side of the frame at an angle greater than or equal to 30 degrees and less than or equal to 60 degrees.

[0006] In some embodiments, the diameter of the vent hole is 0.6 to 0.8 times the width of the steam channel formed between two adjacent support plates.

[0007] In some embodiments, the outer surface of the cover plate is provided with an annular connecting groove along the edge line.

[0008] In some embodiments, the cover plate has a diversion port that extends through both surfaces, and the diversion port connects the steam passage to the connecting groove.

[0009] In some embodiments, the frame is provided with an external pipe that communicates with the annular groove. The air intake direction of the external pipe is horizontally aligned with the bottom edge of the frame, and the air intake port is tangentially connected to the annular groove.

[0010] In some embodiments, the outer pipe is located at one corner of the frame.

[0011] This application also provides a hot press for wood processing, the hot press including a base and the steam pressure plate described above, the steam pressure plate being vertically mounted on the base.

[0012] This application's steam press plate, employing a three-dimensional circulation network technology consisting of multi-dimensional steam channels and annular grooves, along with a ventilated, bidirectional steam flow design, effectively solves the problems of uneven steam distribution, condensate accumulation, and pressure imbalance inherent in traditional press plates. This significantly improves wood hot-pressing efficiency, processing quality, and equipment durability, greatly reducing the risk of wood warping due to moisture, delamination, and equipment maintenance costs. It provides users with adaptability, especially flexibility for vertical installation, and long-term economic benefits. Therefore, this invention has broad application prospects in the field of wood hot-pressing. The quality improvement and energy consumption reduction brought about by its structural optimization have significant socio-economic value in promoting green manufacturing and industrial upgrading.

[0013] Additional aspects and advantages of embodiments of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of this application. Attached Figure Description

[0014] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein:

[0015] Figure 1 This is a schematic diagram of the overall structure of the steam pressure plate according to an embodiment of this application;

[0016] Figure 2 yes Figure 1 A schematic diagram of the exploded structure;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of section line AA in the figure;

[0018] Figure 4 This is a schematic diagram of the overall structure of the hot press according to the embodiments of this application.

[0019] Explanation of main component symbols: Steam pressure plate 100, base plate 10, frame 11, annular groove 111, mounting groove 112, external pipe 113, support plate 12, steam passage 13, cover plate 20, vent hole 21, connecting groove 22, diversion port 23. Detailed Implementation

[0020] The embodiments of this application will be further described below with reference to the accompanying drawings. The same or similar reference numerals in the drawings denote the same or similar elements or elements having the same or similar functions throughout.

[0021] Furthermore, the embodiments of this application described below in conjunction with the accompanying drawings are exemplary and are only used to explain the embodiments of this application, and should not be construed as limiting this application.

[0022] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0023] Please see Figure 1 and Figure 2 This application discloses a steam press 100 for wood processing, used in hot pressing of wood panels. The steam press 100 includes a base plate 10 and cover plates 20. The base plate 10 includes a frame 11 and support plates 12. Multiple support plates 12 are evenly spaced within the frame 11, with both ends of each support plate 12 fixed to the inner side of the frame 11. The spacing between adjacent support plates 12 forms a steam channel 13. An annular groove 111 is formed along the direction of the inner surface of the frame 11, connecting all the steam channels 13. Two cover plates 20 respectively cover the opposite surfaces of the base plate 10. Multiple vent holes 21 are formed on the cover plates 20 at corresponding positions of the steam channels 13, and the vent holes 21 are connected to all the steam channels 13.

[0024] The steam pressure plate 100 of this application effectively solves the problems of uneven steam distribution, condensate accumulation, and pressure imbalance in traditional pressure plates by employing a three-dimensional circulation network technology composed of multi-dimensional steam channels 13 and annular grooves 111, as well as a bidirectional steam flow design with vent holes 21. This significantly improves the efficiency of wood hot pressing, processing quality, and equipment durability, and greatly reduces the risk of wood board deformation due to moisture, delamination, and equipment maintenance costs. It provides users with flexibility in horizontal installation, especially vertical installation, and long-term economic benefits. Therefore, this invention has broad application prospects in the field of wood hot pressing. The quality improvement and energy consumption reduction brought about by its structural optimization have significant socio-economic value in promoting green manufacturing and industrial upgrading.

[0025] Specifically, please refer to Figure 1 and Figure 2The steam pressure plate 100 of this application is preferably installed vertically, but it can also be placed horizontally. The frame 11 is a rectangular structure formed by four side frames. Multiple parallel and evenly spaced support plates 12 are arranged inside the frame 11, with the gaps between adjacent support plates 12 forming steam channels 13. The inner surfaces of the four side frames of the frame 11 are recessed inward along their length to form annular grooves 111. The cross-section of the annular grooves 111 is semi-circular and communicates with all steam channels 13.

[0026] The outer surface of the frame 11 is recessed to form a mounting groove 112 for mounting the cover plate 20. The mounting groove 112 achieves rapid positioning and sealing fixation of the cover plate 20 and the base plate 10 through a precision snap-fit ​​structure, and uses bolts to prevent steam leakage. A high-temperature resistant sealing strip can be embedded in the groove to further enhance the sealing performance and improve the stability and service life of the equipment.

[0027] The cover plate 20 has multiple vent holes 21 arranged in an array along the length of the steam channel 13. The cover plate 20 seals the two opposite plates of the frame 11 to form a steam pressure plate 100. The steam channels 13 formed by the evenly spaced support plate 12, together with the annular groove 111, enable multi-directional steam circulation, effectively eliminating the problem of uneven local pressure caused by unidirectional steam flow in traditional processes, and significantly reducing the warping rate of the wood board. The frame 11 can be designed to be detachable, but in this embodiment, to ensure airtightness, the frame 11 and the support plate 12 are integrally formed.

[0028] Please combine Figure 3 Furthermore, the support plate 12 is inclined to the frame of the frame 11, with an inclination angle greater than or equal to 30 degrees and less than or equal to 60 degrees. In the embodiments of this application, an inclination angle of 30°, 45°, or 60° is preferred. The inclined design forms a directional flow ramp in the steam channel 13, accelerating the flow of condensate to a lower level through the combined effect of gravity and steam pressure. At the same time, the inclined structure enhances the steam turbulence effect and improves heat exchange efficiency. This angle optimizes the mechanical distribution of the support plate 12, enhancing its resistance to bending and preventing deformation of the pressure plate when installed vertically.

[0029] Furthermore, the frame 11 is provided with an external pipe 113 communicating with the annular groove 111, and the external pipe 113 is located at the corner of the frame 11. The external pipe 113 is used to introduce high-pressure hot steam into the annular groove 111. The steam pressure plate 100 of this application is preferably placed vertically, that is, it is mainly used in vertical hot presses. The external pipe 113 is located at the bottom, and the steam passage 13 is inclined towards the external pipe 113, so that condensate can flow downward and collect in the direction of the external pipe 113. The condensate can be vaporized again under the action of high-pressure steam, reducing the risk of liquid accumulation and corrosion when installed horizontally.

[0030] Furthermore, the air intake direction of the external pipe 113 is horizontally aligned with the bottom edge of the frame 11, and the air inlet is tangentially connected to the annular groove 111, allowing steam to flow counterclockwise along the annular groove 111. The main body of steam is gradually advanced from a high position to a low position along the steam channel 13, and its initial kinetic energy is converted into rotational momentum, improving flow efficiency. At the same time, the flow of condensate is accelerated by the combined effect of steam power and gravity. This design significantly improves the uniformity of heat conduction, reduces condensate retention, and completely avoids the problem of bottom water accumulation when installed vertically.

[0031] For further information, please refer to [link / reference]. Figure 2 and Figure 3 The diameter of the vent 21 is 0.6 to 0.8 times the width of the steam channel 13 formed between two adjacent support plates 12. This proportion precisely matches the steam flow rate and diffusion rate, avoiding excessive steam escape due to large vent diameters or local pressure buildup caused by small vent diameters. This proportion balances heat conduction efficiency and pressure uniformity, ensuring uniform heating of the wood surface and preventing the vent 21 from being easily blocked by sawdust.

[0032] Furthermore, an annular connecting groove 22 is provided along the edge line on the outer surface of the cover plate 20. The connecting groove 22 and the internal steam channel 13 form an external circulation auxiliary path, extending the steam to the edge area of ​​the pressure plate and eliminating the problem of insufficient heating at the edge of the traditional pressure plate; it can also serve as a transition zone for condensate collection, guiding the liquid to the drain outlet through capillary effect, avoiding abnormal local moisture content of the wood board caused by liquid accumulation at the edge.

[0033] Further, please refer to Figure 2 The cover plate 20 has a diversion port 23 that penetrates both surfaces. The diversion port 23 connects the steam channel 13 and the connecting groove 22, realizing the secondary distribution of steam from the core area to the edge, forming a dual circulation mode of "central radiation + edge circulation", which further optimizes the uniformity of the temperature field. The diversion port 23 also serves as an emergency channel for condensate discharge, which can quickly discharge excess condensate under extreme operating conditions to prevent abnormal pressure fluctuations inside the equipment.

[0034] Please see Figure 4 This application also provides a hot press 300 for wood processing. The hot press 300 includes the aforementioned steam pressure plate 100 and a base 30, wherein the steam pressure plate 100 is vertically installed on the base 30. The hot press 300 uses a vertically installed steam pressure plate 100, combined with the aforementioned directional condensate drainage structure, which completely solves the problem of water accumulation at the bottom of traditional vertical pressure plates.

[0035] In the description of this specification, the references to "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples" refer to specific features, structures, materials, or characteristics described in connection with the described embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the stated features. In the description of this application, "multiple" means at least two, such as two or three, unless otherwise explicitly specified.

[0037] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A steam press for wood processing for hot pressing wood panels, characterized in that, include: The substrate includes a frame and support plates. A plurality of support plates are evenly spaced in the frame. The two ends of the support plates are respectively fixed to the inner side of the frame. The interval between two adjacent support plates forms a steam channel. An annular groove is formed on the inner surface of the frame along the direction. The annular groove connects all the steam channels. The cover plate, two of which are respectively sealed on the two opposite surfaces of the substrate, has a plurality of vent holes at the corresponding positions of the steam channels, and the vent holes are connected to all the steam channels.

2. The steam clamp of claim 1, wherein, The outer surface of the frame has a recessed mounting groove for installing the cover plate.

3. The steam presser plate of claim 1, wherein, The support plate is inclined relative to the side of the frame, with an inclination angle greater than or equal to 30 degrees and less than or equal to 60 degrees.

4. The steam clamp of claim 1, wherein, The diameter of the vent hole is 0.6 to 0.8 times the width of the steam channel formed between two adjacent support plates.

5. The steam pressboard of claim 1, wherein, The outer surface of the cover plate has an annular connecting groove along the edge line.

6. The steam presser plate of claim 5, wherein, The cover plate has a flow divider opening that penetrates both surfaces, and the flow divider opening connects the steam passage to the connecting groove.

7. The steam presser plate of claim 6, wherein, The frame is provided with an external pipe that communicates with the annular groove. The air intake direction of the external pipe is horizontally aligned with the bottom edge of the frame, and the air intake port is tangentially connected to the annular groove.

8. The steam presser plate of claim 7, wherein, The external connector is located at one corner of the frame.

9. A hot press for wood processing, characterized in that It includes a base and a steam pressure plate as described in any one of claims 1-8, wherein the steam pressure plate is vertically mounted on the base.

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