Solid wood panel heat treatment equipment

Abstract

The utility model discloses heat treatment equipment for solid wood boards. The heat treatment equipment comprises a treatment box and a carrying device for loading a wood stacking structure, a heat treatment space is arranged in the treatment box, and a placement chamber and an airflow driving chamber are sequentially arranged in the heat treatment space from left to right; the carrying device and the wood stacking structure are arranged in the containing chamber, and a flow guide interval exists between the peripheral side of the wood stacking structure and the inner wall of the containing chamber. The left side and the upper portion of the wood stacking structure are limited through cooperation of the wind blocking frame and the top pressing plate so that airflow can be prevented from passing through the position; specifically, the air blocking frame is positioned on the left side of the wood stacking structure, and the top pressing plate is arranged above the wood stacking structure, so that the hot air flow can fully flow around the surfaces of the wood plates, and the air speed of the hot air flow flowing through the surfaces of the to-be-treated plates can be prevented from being reduced. Therefore, a better treatment effect can be provided for the wood plate.

Description

Technical Field

[0001] This utility model relates to the field of solid wood board production and processing technology, specifically to a heat treatment equipment for solid wood boards. Background Technology

[0002] After more than 20 years of development, the wood flooring industry has formed a product system with multiple categories, structures, and specifications, covering a complete industrial chain including production, sales, installation, and after-sales service. Industry data from 2022 shows that the total sales volume of wood and bamboo flooring by companies of a certain scale was approximately 413 million square meters, of which engineered wood flooring (195 million square meters), solid wood composite flooring (148 million square meters), solid wood flooring (39 million square meters), bamboo flooring (26 million square meters), and other categories (5.6 million square meters) constitute a diversified market. Solid wood flooring, due to its natural texture, comfortable feel, and environmentally friendly characteristics, is considered a mid-to-high-end product.

[0003] The widespread adoption of radiant floor heating places higher demands on the performance of wood flooring. In underfloor heating environments, the average floor temperature reaches 55℃. Traditional solid wood flooring, with a final moisture content of 8%-12%, is prone to moisture evaporation and shrinkage under prolonged high temperatures; furthermore, moisture absorption and expansion during seasonal changes can easily lead to cracking and deformation. Currently, most solid wood flooring for underfloor heating relies on high-temperature heat treatment technology to improve dimensional stability, but the industry's technological levels vary considerably. Most companies use steam injection to regulate the treatment environment.

[0004] Currently, the steam injection method mostly involves placing the wood in a sealed heated chamber for treatment. However, this method has limitations, as follows:

[0005] Firstly, due to the varying sizes of timber, when users place a batch of timber to be processed in the heating chamber, the common arrangement is to arrange them sequentially along the length of the chamber, with the end closest to the entrance as the end and the other end as the beginning. Using this method, gaps easily form between the ends of the timber and the closed door of the entrance. When hot airflow enters the heating chamber from the beginning or other areas, a large amount of airflow passes through these gaps, meaning the airflow flows around the stacked timber without entering between the pieces. This results in a deterioration in the processing effect because the airflow channels between the timber are small, leading to high airflow resistance, while the larger gaps between the ends and the closed door reduce airflow resistance.

[0006] Secondly, the height of the stacked timber does not match the height of the heating chamber, meaning there is a gap between the top of the stacked timber and the top of the heating chamber. When airflow moves within the heating chamber, the airflow passes over the top of the stacked timber, further reducing the effectiveness of the timber treatment.

[0007] Therefore, how to overcome the shortcomings of the existing technology mentioned above has become the subject of this utility model. Utility Model Content

[0008] This utility model provides a heat treatment device for solid wood boards, which aims to solve the technical problems mentioned in the background art.

[0009] To achieve the above objectives, the technical solution adopted by this utility model is: a heat treatment equipment for solid wood boards, the heat treatment equipment including a treatment box and a transport device for loading wood stacking structures;

[0010] The processing box is equipped with a heat treatment space, which is arranged from left to right as a placement chamber and an airflow driving chamber. The left side of the processing box is provided with an opening for guiding the transport device in.

[0011] The transport device and the timber stacking structure are configured in the placement chamber, and there is a flow guide gap between the periphery of the timber stacking structure and the inner wall of the placement chamber; the timber stacking structure includes a plurality of timber boards stacked sequentially from bottom to top along the height direction of the heat treatment space, and there are airflow channels between adjacent timber boards;

[0012] The heat treatment equipment also includes an airflow circulation mechanism, a baffle frame, and a top pressure plate;

[0013] The airflow circulation mechanism is located in the airflow drive chamber;

[0014] The windbreak is positioned on the left side of the timber stacking structure, and the windbreak is a structure used to limit the airflow through the guide spacing on the left side of the timber stacking structure;

[0015] The top pressure plate is disposed above the timber stacking structure, and the top pressure plate is a structure used to limit the airflow through the guide spacing above the timber stacking structure.

[0016] The relevant content in the above plan is explained as follows:

[0017] In the above scheme, the heat treatment space is generally set along the length of the treatment chamber, and the heating medium inside the heating chamber is hot airflow. The medium also includes the hot steam released by the wood panels after heating.

[0018] In the above scheme, a door is provided, which is movably connected to the processing box. The door is provided with an opening so that the opening can be blocked.

[0019] In the above scheme, a pallet is placed between the timber stacking structure and the upper surface of the transport device to support the timber stacking structure.

[0020] In the above scheme, if the opening faces right, the orientation of the airflow drive chamber and the placement chamber is from left to right. Adaptively, there are also possibilities for the orientation from bottom to top, etc.

[0021] In the above scheme, the airflow circulation mechanism mainly plays the role of airflow driving, so its working part can be a fan or a pipe connected to an external fan, while the wind baffle and the top pressure plate mainly restrict the airflow.

[0022] In the above solution, the windbreak frame and the top pressure plate work together to restrict the airflow on the left and top sides of the timber stacking structure to prevent airflow from passing through these areas, thus reducing the flow rate of hot air through the airflow channel. Specifically, the loaded timber stacking structure is guided to the placement room by a transport device. Then, the windbreak frame is positioned on the left side of the timber stacking structure, and the top pressure plate is positioned above the timber stacking structure. This allows the hot airflow to flow fully around the surface of the timber boards and also prevents the wind speed flowing over the surface of the boards to be treated from decreasing, thus providing a better treatment effect for the timber boards.

[0023] A further technical solution is that the flow guiding spacing includes a first spacing between the upper surface of the timber stacking structure and the top of the placement chamber, a second spacing and a third spacing located on both sides of the timber stacking structure along its length, and a fourth spacing located at the left end of the timber stacking structure.

[0024] The width of the windbreak is less than or equal to the width of the fourth spacing, the height of the windbreak is greater than or equal to the height of the timber stacking structure, and the windbreak is configured to restrict airflow through the fourth spacing.

[0025] The height of the top pressure plate is less than or equal to the height of the first gap, and the top pressure plate is configured to restrict airflow through the first gap;

[0026] Within the heat treatment space, the airflow drive chamber, the second spacing, the airflow channel, and the third spacing combine to form an airflow loop.

[0027] In the above scheme, a track is usually set at the bottom of the placement chamber to guide the transport device (such as a transport vehicle) into the placement chamber. The track is set to place the transport device in a suitable position in the placement chamber, such as the middle position of the placement chamber. In this case, the widths of the second and third gaps are equal.

[0028] The combination of the baffle and the top pressure plate restricts the airflow through the first and fourth gaps, preventing the hot air from flowing away rapidly through these gaps during the heat treatment of the wood panels. Specifically, when the wood stacking structure is placed in the placement chamber, there is a first gap between the upper surface of the wood stacking structure and the top of the placement chamber, a second and a third gap on both sides of the wood stacking structure, and a fourth gap on the left end of the wood stacking structure. The baffle restricts the airflow through the fourth gap, and the top pressure plate restricts the airflow through the first gap, ensuring that the airflow only flows back and forth within the airflow loop formed by the airflow drive chamber, the second gap, the airflow channel, and the third gap. This prevents the wind speed flowing over the surface of the wood panels from decreasing, thus providing a better treatment effect for the wood panels.

[0029] A further technical solution is that the windbreak includes a flow restrictor, a mounting groove, and a flow deflector;

[0030] The flow-limiting hood and the mounting groove are set within the fourth spacing and are positioned and connected to the transport device. The flow-limiting hood is arranged along the height direction of the timber stacking structure, and the mounting groove is set along the left and right direction and positioned on the side of the flow-limiting hood.

[0031] The flow deflector is positioned and connected to the mounting groove. The flow deflector is configured to move along a plane perpendicular to the height direction of the flow deflector via the mounting groove. The flow deflector is arranged along the height direction of the flow deflector.

[0032] Since the length of the timber stacking structure that the user needs to process is different each time, the width of the fourth spacing is also different. Therefore, with the above design, the windbreak frame can adjust the blocking spacing according to the width of the fourth spacing.

[0033] Specifically, when there is a fourth gap at the left end of the timber stacking structure, the right side surface of the flow restrictor is in close contact with the left end of the timber stacking structure. Since the width of the flow restrictor cannot fully occupy the fourth gap, the baffle is pulled out of the mounting slot, so that the flow restrictor and the baffle cooperate to occupy most of the space of the fourth gap, thereby completing the restriction of the airflow entering the fourth gap.

[0034] In a further technical solution, the top pressure plate includes a self-weight pressure plate, which is positioned on the upper surface of the timber stacking structure. A blocking frame is provided on the upper surface of the self-weight pressure plate, and the self-weight pressure plate and the blocking frame cooperate to block the airflow within the first gap.

[0035] A self-weight pressure plate is used to press down on the upper surface of the timber stacking structure to prevent the timber boards from deforming due to stress release when they are subjected to high-temperature treatment in the heat treatment space.

[0036] It should be noted that multiple self-weight pressure plates can be set. When multiple self-weight pressure plates are placed together, the length of the plates must be greater than or equal to the top surface of the timber stacking structure.

[0037] A further technical solution is that the blocking frame includes a blocking cross plate disposed on the upper surface of the self-weight pressure plate and arranged along the length direction of the timber stacking structure. The two ends of the blocking cross plate are provided with symmetrically arranged connecting parts, and the connecting parts are arranged perpendicular to the blocking cross plate.

[0038] Once the weight-bearing plate presses down on the upper surface of the timber stacking structure, the blocking crossbars will block the airflow and prevent it from passing through the first gap.

[0039] A further technical solution includes an installation vertical plate between the airflow drive chamber and the placement chamber. The installation vertical plate is arranged along the height direction of the placement chamber, and the width of the installation vertical plate is equal to the width of the placement chamber. The surface of the installation vertical plate is provided with a first opening and a second opening at positions corresponding to the second spacing and the third spacing.

[0040] The airflow circulation mechanism is located in the airflow drive chamber and between the first opening and the second opening.

[0041] With the above design, the airflow can fully form an airflow loop. If there were no first and second openings, the airflow would converge and mix in the area where the airflow drive chamber is located, which would easily lead to a decrease in airflow velocity.

[0042] After setting the first and second openings, the airflow will be discharged from the airflow drive chamber, enter the second gap through the first opening, flow through the airflow channel and the third gap, and finally enter the second opening to complete the cycle.

[0043] In a further technical solution, the airflow circulation mechanism includes a windbreak vertical plate and multiple airflow fans;

[0044] The wind deflector is installed in the airflow driving chamber, and the installation of the wind deflector divides the airflow driving chamber into two parts; a heating element is installed in the airflow driving chamber.

[0045] Multiple airflow fans are mounted on the wind deflector vertical plate and arranged sequentially from bottom to top along the height direction of the wind deflector vertical plate.

[0046] To achieve the purpose of circulation, the airflow fan can guide the airflow entering through the second opening from one part of the airflow drive chamber to another part, and then exit from the first opening. During this process, the heating element can heat the airflow.

[0047] It should be noted that the airflow fan is a reversible fan, so that airflow can either enter from the second opening and exit from the first opening, or enter from the first opening and exit from the second opening.

[0048] In a further technical solution, the timber stacking structure also includes multiple partition groups; each airflow channel is provided with a partition group, and each partition group is composed of multiple spacers; the multiple spacers are arranged along the length direction of the timber stacking structure so that the airflow channel is only connected to the second spacing and the third spacing.

[0049] The above design allows for the formation of equal-height airflow channels between stacked adjacent wood panels via spacers, ensuring that the airflow velocity is consistent across each channel.

[0050] A further technical solution, viewed from the longitudinal section of the processing box, shows that the airflow drive chamber has an opening on the left and a bottom on the right. The opening of the airflow drive chamber is connected to the placement chamber, and the bottom sides of the airflow drive chamber have air guide surfaces for reducing airflow loss.

[0051] With the above design, as the airflow flows from one part of the airflow drive chamber to another, the airflow can be guided by the air guide surface to be fully discharged from the first opening and then enter from the second opening. The air guide surface can be an arc surface, an inclined surface, or a smooth curved surface.

[0052] A further technical solution involves providing inclined baffles at the bottom of the second and third spacings, the inclined baffles being configured to guide airflow toward the timber stacking structure. That is, the inclined baffles direct the airflow downwards from the timber stacking structure.

[0053] The terms "first," "second," etc., used in this article do not specifically refer to order or sequence, nor are they intended to limit this case; they are merely used to distinguish components or operations described using the same technical terms.

[0054] The terms "connection" or "positioning" as used in this article can refer to two or more components or devices making direct physical contact with each other, or making indirect physical contact with each other, or to two or more components or devices operating or moving with each other.

[0055] The terms “include,” “including,” and “have” used in this article are all open-ended, meaning they include but are not limited to.

[0056] Unless otherwise specified, the terms used herein generally have their ordinary meaning in the context of the art, the subject matter, and the specific context. Certain terms used to describe this case will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the case.

[0057] The terms “front,” “back,” “up,” “down,” “left,” and “right” used in this article are directional terms. In this case, they are only used to describe the positional relationship between the structures and are not intended to limit the specific direction of the protection scheme or its actual implementation.

[0058] The working principle and advantages of this utility model are as follows:

[0059] In this invention, the windbreak frame and the top pressure plate work together to restrict airflow on the left and top sides of the timber stacking structure to prevent airflow from passing through these areas, thus reducing the flow rate of hot air through the airflow channel. Specifically, the loaded timber stacking structure is guided to the placement chamber by a transport device. Then, the windbreak frame is positioned on the left side of the timber stacking structure, and the top pressure plate is positioned above the timber stacking structure. This allows the hot airflow to flow fully around the surface of the timber board and also prevents the wind speed flowing over the surface of the board to be treated from decreasing, thus providing a better treatment effect for the timber board. Attached Figure Description

[0060] Appendix Figure 1 This is a schematic diagram of the overall structure in an embodiment of the present invention (when wood panels are stacked in a row).

[0061] Appendix Figure 2 This is a structural diagram illustrating the first, second, and third spacing in an embodiment of this utility model; (when wood panels are stacked in a row).

[0062] Appendix Figure 3 This is a schematic diagram of the processing box structure in an embodiment of the present utility model;

[0063] Appendix Figure 4 This is a schematic diagram of the mounting vertical plate structure in an embodiment of this utility model; (when wood panels are stacked in a row).

[0064] Appendix Figure 5 This is a schematic diagram of the airflow channel structure in an embodiment of the present invention (when wood panels are stacked in a row).

[0065] Appendix Figure 6 This is a schematic diagram of the windbreak vertical plate structure in an embodiment of this utility model; (when wood panels are stacked in a row).

[0066] Appendix Figure 7 This is a schematic diagram of the windbreak frame structure in an embodiment of the present invention; (when wooden boards are stacked in a row).

[0067] Appendix Figure 8 This is a schematic diagram of the self-weight pressure plate structure in an embodiment of this utility model; (when wood panels are stacked in a row).

[0068] Appendix Figure 9 This is a schematic diagram of the heating element structure in an embodiment of the present utility model;

[0069] Appendix Figure 10 This is a schematic diagram of the first and second opening structures in an embodiment of the present utility model;

[0070] Appendix Figure 11 This is a schematic diagram of the fourth spacing structure in an embodiment of this utility model; (when wood panels are stacked in a row).

[0071] Appendix Figure 12 This is a schematic diagram of the barrier structure in an embodiment of this utility model. (When wood panels are stacked in a row)

[0072] In the above attached figures: 1. Processing box; 2. Box door; 3. Transport device; 4. Heat treatment space; 5. Opening; 6. Airflow drive chamber; 7. Placement chamber; 8. Guide spacing; 9. First spacing; 10. Second spacing; 11. Third spacing; 12. Fourth spacing; 13. Timber board; 14. Airflow circulation mechanism; 15. Wind baffle; 16. Top pressure plate; 17. Flow restrictor; 18. Timber stacking structure; 19. Mounting groove; 20. Flow baffle; 21. Self-weight pressure plate; 22. Blocking frame; 23. Blocking horizontal plate; 24. Connecting part; 25. Mounting vertical plate; 26. First opening; 27. Second opening; 28. Wind baffle vertical plate; 29. ​​Airflow fan; 30. Spacer; 31. Heating element; H, Airflow channel. Detailed Implementation

[0073] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0074] Example: The present invention will be clearly described below with illustrations and detailed description. Any person skilled in the art who understands the examples of the present invention can make changes and modifications based on the technology taught in the present invention without departing from the spirit and scope of the present invention.

[0075] The terminology used herein is for the purpose of describing specific embodiments only and is not intended to limit the scope of this work. Singular forms such as “a,” “this,” “this,” “the,” and “the” as used herein also include plural forms.

[0076] See appendix Figures 1-12 As shown, a heat treatment equipment for solid wood boards includes a treatment box 1 and a transport device 3 for loading a wood stacking structure 18.

[0077] The processing box 1 is provided with a heat treatment space 4. The heat treatment space 4 is arranged from left to right as a placement chamber 7 and an airflow driving chamber 6. The left side of the processing box 1 is provided with an opening 5 for guiding the transport device 3 into the box.

[0078] The transport device 3 and the timber stacking structure 18 are arranged in the placement chamber 7, and there is a flow guide distance 8 between the periphery of the timber stacking structure 18 and the inner wall of the placement chamber 7; the timber stacking structure 18 includes a plurality of timber boards 13 stacked sequentially from bottom to top along the height direction of the heat treatment space 4, and there is an airflow channel H between adjacent timber boards 13.

[0079] The heat treatment equipment also includes an airflow circulation mechanism 14, a wind baffle 15, and a top pressure plate 16;

[0080] The airflow circulation mechanism 14 is disposed inside the airflow drive chamber 6;

[0081] The windbreak 15 is positioned on the left side of the timber stacking structure 18. The windbreak 15 is a structure used to restrict the airflow through the guide spacing 8 on the left side of the timber stacking structure 18.

[0082] The top pressure plate 16 is disposed above the timber stacking structure 18, and the top pressure plate 16 is a structure used to restrict the airflow through the guide spacing 8 above the timber stacking structure 18.

[0083] In this embodiment, the heat treatment space 4 is generally arranged along the length of the treatment box 1, and the heating medium inside the heating box is hot airflow, which also includes the hot steam released by the wood board after it is heated.

[0084] In this embodiment, a door 2 is provided, which is movably connected to the processing box 1. The door 2 is provided corresponding to the opening 5 so that the opening 5 can be blocked.

[0085] In this embodiment, a pallet is placed between the timber stacking structure 18 and the upper surface of the transport device 3 to support the timber stacking structure 18.

[0086] In this embodiment, from right to left is Figure 1 To explain, if opening 5 faces right, then the orientation of airflow drive chamber 6 and placement chamber 7 is from left to right, but there are also possibilities for adaptive orientations such as from bottom to top.

[0087] In this embodiment, the airflow circulation mechanism 14 mainly serves to drive airflow, so its working part can be a fan or a pipe connected to an external fan, while the wind baffle 15 and the top pressure plate 16 mainly restrict airflow.

[0088] In this invention, the wind deflector 15 and the top pressure plate 16 work together to restrict the left and top sides of the timber stacking structure 18 to prevent airflow from passing through these areas, thus reducing the flow rate of hot air through the airflow channel H. Specifically, the loading timber stacking structure 18 is guided into the placement chamber 7 by the transport device 3. Then, the wind deflector 15 is positioned on the left side of the timber stacking structure 18, and the top pressure plate 16 is positioned above the timber stacking structure 18, so that the hot airflow can flow fully around the surface of the timber board 13, and the wind speed flowing over the surface of the board to be treated can be prevented from decreasing, thus providing a better treatment effect for the timber board 13.

[0089] Preferably, the flow guiding spacing 8 includes a first spacing 9 between the upper surface of the timber stacking structure 18 and the top of the placement chamber 7, a second spacing 10 and a third spacing 11 located on both sides of the timber stacking structure 18 along its length, and a fourth spacing 12 located at the left end of the timber stacking structure 18.

[0090] The width of the windbreak 15 is less than or equal to the width of the fourth spacing 12, the height of the windbreak 15 is greater than or equal to the height of the timber stacking structure 18, and the windbreak 15 is configured to restrict airflow through the fourth spacing 12.

[0091] The height of the top pressure plate 16 is less than or equal to the height of the first gap 9, and the top pressure plate 16 is configured to restrict airflow through the first gap 9;

[0092] Within the heat treatment space 4, the airflow drive chamber 6, the second spacing 10, the airflow channel H, and the third spacing 11 combine to form an airflow loop.

[0093] In this embodiment, a track is generally provided at the bottom of the placement chamber 7 to guide the transport device 3 (e.g., a transport vehicle) into the placement chamber 7. The track is provided to place the transport device 3 in a suitable position in the placement chamber 7, such as the middle position of the placement chamber 7. In this case, the widths of the second spacing 10 and the third spacing 11 are equal.

[0094] The combination of the baffle 15 and the top pressure plate 16 restricts the airflow through the first gap 9 and the fourth gap 12, preventing the hot airflow from flowing away quickly through the first gap 9 and the fourth gap 12 when the wood board 13 is heat-treated. Specifically, when the wood stacking structure 18 is placed in the placement chamber 7, there is a first gap 9 between the upper surface of the wood stacking structure 18 and the top of the placement chamber 7, a second gap 10 and a third gap 11 on both sides of the wood stacking structure 18, and a fourth gap 12 on the left end of the wood stacking structure 18. The baffle 15 restricts the airflow through the fourth gap 12, and the top pressure plate 16 restricts the airflow through the first gap 9, so that the airflow will only flow back and forth in the airflow loop formed by the airflow drive chamber 6, the second gap 10, the airflow channel H, and the third gap 11, avoiding a decrease in the wind speed flowing over the surface of the board to be treated. This provides a better treatment effect for the wood board 13.

[0095] In some specific embodiments, the windshield 15 exists in various forms. The following are two embodiments of the windshield 15.

[0096] First embodiment of windshield 15

[0097] The windbreak frame 15 includes a flow restrictor 17, a mounting groove 19, and a flow deflector 20;

[0098] The flow restrictor 17 and the mounting groove 19 are set within the fourth spacing 12 and are positioned and connected to the transport device 3. The flow restrictor 17 is arranged along the height direction of the timber stacking structure 18, and the mounting groove 19 is set along the left and right direction and positioned on the side of the flow restrictor 17.

[0099] The flow deflector 20 is positioned and connected to the mounting groove 19. The flow deflector 20 is configured to move along a plane perpendicular to the height direction of the flow restrictor 17 via the mounting groove 19. The flow deflector 20 is arranged along the height direction of the flow restrictor 17.

[0100] Since the length of the timber stacking structure 18 required by the user varies each time, the width of the fourth gap 12 also varies. Therefore, with the above design, the windbreak frame 15 can adjust the blocking spacing according to the width of the fourth gap 12. Specifically, when the fourth gap 12 exists at the left end of the timber stacking structure 18, the right side surface of the flow restrictor 17 is close to the left end of the timber stacking structure 18. Since the depth of the flow restrictor 17 cannot fully occupy the fourth gap 12, the deflector plate 20 is pulled out of the mounting groove 19, so that the flow restrictor 17 and the deflector plate 20 cooperate to occupy most of the space of the fourth gap 12, thereby restricting the airflow entering the fourth gap 12. That is, from the perspective of longitudinal section, the space in the length direction of the fourth gap 12 is reduced by the cooperation of the flow restrictor 17 and the deflector plate 20, thereby restricting the airflow entering the fourth gap 12.

[0101] Second embodiment of windshield 15 (this embodiment is not shown in the figure)

[0102] The windbreak frame 15 includes a first flow restrictor and a second flow restrictor. The first flow restrictor is disposed at the left end of the timber stacking structure 18, and the bottom of the first flow restrictor is positioned and connected to the transport device 3. The first flow restrictor is arranged along the height direction of the timber stacking structure 18. The first flow restrictor has a recessed groove that matches the second flow restrictor. The opening of the recessed groove faces the opening 5. The second flow restrictor is slidably disposed in the recessed groove.

[0103] Since the length of the timber stacking structure 18 required by the user varies each time, the width of the fourth gap 12 also varies. Therefore, with the above design, the windbreak frame 15 can adjust the blocking spacing according to the width of the fourth gap 12. Specifically, when the fourth gap 12 exists at the left end of the timber stacking structure 18, the right side surface of the first flow restrictor is close to the left end of the timber stacking structure 18. Since the depth of the first flow restrictor cannot fully occupy the fourth gap 12, the second flow restrictor is pulled out of the recessed groove, so that the first and second flow restrictors cooperate to occupy most of the space of the fourth gap 12, thereby restricting the airflow entering the fourth gap 12.

[0104] A baffle plate 20 is provided on the side of the second flow restrictor away from the first flow restrictor. Since the second flow restrictor needs to move toward the opening 5, when the door 2 is closed, it is easy to block the second flow restrictor and damage it. Therefore, there is often a certain space between the second flow restrictor and the door 2. However, the airflow can easily pass through this space. Therefore, in order to solve this problem, the baffle plate 20 is used to block the airflow passing through this space.

[0105] Compared with the first embodiment, the second embodiment has a first flow restrictor and a second flow restrictor that are plugged together, which makes the second embodiment more convenient to pull than the first embodiment.

[0106] Preferably, the top pressure plate 16 includes a self-weight pressure plate 21, which is positioned on the upper surface of the timber stacking structure 18. A blocking frame 22 is provided on the upper surface of the self-weight pressure plate 21, and the self-weight pressure plate 21 and the blocking frame 22 cooperate to block the airflow within the first gap 9.

[0107] The weight of the pressure plate 21 is used to press on the upper surface of the timber stacking structure 18 to prevent the timber board 13 from deforming due to stress release when it is subjected to high-temperature treatment in the heat treatment space 4.

[0108] It should be noted that multiple self-weight pressure plates 21 can be set. When multiple self-weight pressure plates 21 are placed, the length of the spliced ​​plates together must be greater than or equal to the upper surface of the timber stacking structure 18.

[0109] Preferably, the blocking frame 22 includes a blocking cross plate 23 disposed on the upper surface of the self-weight pressure plate 21 and disposed along the length direction of the timber stacking structure 18. The two ends of the blocking cross plate 23 are provided with symmetrically arranged connecting parts 24, and the connecting parts 24 are disposed perpendicular to the blocking cross plate 23.

[0110] When the self-weight pressure plate 21 presses down on the upper surface of the timber stacking structure 18, the blocking plate 23 will block the airflow to prevent it from passing through the first gap 9.

[0111] Preferably, an installation vertical plate 25 is provided between the airflow driving chamber 6 and the placement chamber 7. The installation vertical plate 25 is arranged along the height direction of the placement chamber 7, and the width of the installation vertical plate 25 is equal to the width of the placement chamber 7. The surface of the installation vertical plate 25 is provided with a first opening 26 and a second opening 27 at positions corresponding to the second spacing 10 and the third spacing 11.

[0112] The airflow circulation mechanism 14 is disposed in the airflow drive chamber 6 and located between the first opening 26 and the second opening 27.

[0113] With the above design, the airflow can fully form an airflow loop. If there were no first opening 26 and second opening 27, the airflow would converge and mix in the area where the airflow drive chamber 6 is located, which would easily lead to a decrease in airflow velocity.

[0114] After setting the first opening 26 and the second opening 27, the airflow will be discharged from the airflow drive chamber 6 through the airflow fan 29, enter the second gap 10 through the first opening 26, flow through the airflow channel H and the third gap 11, and finally enter the second opening 27 to complete the cycle.

[0115] Preferably, the airflow circulation mechanism 14 includes a wind deflector 28 and a plurality of airflow fans 29;

[0116] The wind deflector 28 is disposed inside the airflow drive chamber 6, and the wind deflector 28 divides the airflow drive chamber 6 into two parts; a heating element 31 is disposed inside the airflow drive chamber 6.

[0117] Multiple airflow fans 29 are mounted on the wind deflector 28 and arranged sequentially from bottom to top along the height direction of the wind deflector 28.

[0118] To achieve the purpose of circulation, the airflow fan 29 can guide the airflow entering through the second opening 27 from one part of the airflow drive chamber 6 into another part, and then exit from the first opening 26. During this process, the heating element 31 can heat the airflow.

[0119] It should be noted that the airflow fan 29 is a fan that can rotate in both directions, so that airflow can either enter from the second opening 27 and exit from the first opening 26, or enter from the first opening 26 and exit from the second opening 27.

[0120] Preferably, the timber stacking structure 18 further includes multiple partition groups; each airflow channel H is provided with a partition group, and each partition group is composed of multiple partition strips 30; the multiple partition strips 30 are arranged along the length direction of the timber stacking structure 18 so that the airflow channel H is only connected to the second spacing 10 and the third spacing 11.

[0121] With the above design, the stacked adjacent wood panels 13 are connected by spacers 30 to form airflow channels H of equal height, so that the airflow velocity in each airflow channel H can be made the same.

[0122] Preferably, viewed from the longitudinal section of the processing chamber 1, the airflow drive chamber 6 has an opening on the left and a bottom on the right. The opening of the airflow drive chamber 6 is connected to the placement chamber 7, and the bottom sides of the airflow drive chamber 6 have air guide surfaces for reducing airflow loss.

[0123] With the above design, as the airflow flows from one part of the airflow drive chamber 6 into another part, the airflow can be guided by the air guide surface to be fully discharged from the first opening 26 and then enter from the second opening 27. The air guide surface is an arc surface, an inclined surface, or a smooth curved surface.

[0124] Preferably, the bottom of the second spacing 10 and the third spacing 11 are provided with inclined baffles, which are configured to guide the airflow toward the timber stacking structure 18. That is, the inclined baffles guide the airflow to the underside of the timber stacking structure 18.

[0125] Working principle:

[0126] The timber stacking structure 18 is placed in the placement chamber 7. At this time, there is a first gap 9 between the upper surface of the timber stacking structure 18 and the top of the placement chamber 7, a second gap 10 and a third gap 11 on both sides of the length direction of the timber stacking structure 18, and a fourth gap 12 on the left end of the timber stacking structure 18. Then, a top pressure plate 16 can be placed in the first gap 9. The self-weight pressure plate 21 presses down on the upper surface of the timber stacking structure 18 to prevent the timber board 13 from deforming due to stress release when it is subjected to high temperature treatment in the heat treatment space 4. At the same time, when the self-weight pressure plate 21 presses down on the upper surface of the timber stacking structure 18, the blocking plate 23 will block the airflow to prevent it from passing through the first gap 9.

[0127] Furthermore, since a fourth gap 12 will exist between the box door 2 and the left end of the timber stacking structure 18 after the box door 2 is closed, a flow restrictor 17 and a flow deflector 20 can be installed at the same time as the top pressure plate 16. When the fourth gap 12 exists at the left end of the timber stacking structure 18, the right side surface of the flow restrictor 17 is in close contact with the left end of the timber stacking structure 18. Since the width of the flow restrictor 17 cannot fully occupy the fourth gap 12, the flow deflector 20 is pulled out of the mounting groove 19 so that the flow restrictor 17 and the flow deflector 20 cooperate to occupy most of the space of the fourth gap 12, thereby restricting the airflow entering the fourth gap 12.

[0128] At this time, airflow is injected into the heat treatment space 4. Then, the airflow fan 29 can guide the airflow entering through the second opening 27 from one part of the airflow drive chamber 6 into another part, and then exit from the first opening 26. During this process, the heating element 31 can heat the airflow.

[0129] Meanwhile, the airflow will circulate repeatedly within the airflow loop formed by the combination of the airflow drive chamber 6, the second spacing 10, the airflow channel HH, and the third spacing 11, thus providing a better treatment effect for the wood board 13.

[0130] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A heat treatment device for solid wood panels, characterized in that: The heat treatment equipment includes a treatment box (1) and a transport device (3) for loading the timber stacking structure (18). The processing box (1) is provided with a heat treatment space (4), and the heat treatment space (4) is arranged from left to right as a placement chamber (7) and an airflow drive chamber (6). The processing box (1) has an opening (5) on the left side for guiding the transport device (3) into the box. The transport device (3) and the timber stacking structure (18) are arranged in the placement chamber (7), and there is a flow guide distance (8) between the periphery of the timber stacking structure (18) and the inner wall of the placement chamber (7); the timber stacking structure (18) includes a plurality of timber boards (13) stacked sequentially from bottom to top along the height direction of the heat treatment space (4), and there is an airflow channel (H) between adjacent timber boards (13); The heat treatment equipment also includes an airflow circulation mechanism (14), a wind baffle (15), and a top pressure plate (16). The airflow circulation mechanism (14) is located inside the airflow drive chamber (6); The windbreak (15) is positioned on the left side of the timber stacking structure (18). The windbreak (15) is a structure used to restrict the airflow through the guide spacing (8) on the left side of the timber stacking structure (18). The top pressure plate (16) is disposed above the timber stacking structure (18), and the top pressure plate (16) is a structure used to restrict the airflow through the guide spacing (8) above the timber stacking structure (18).

2. The heat treatment equipment for solid wood panels according to claim 1, characterized in that: The flow guide spacing (8) includes a first spacing (9) between the upper surface of the timber stacking structure (18) and the top of the placement chamber (7), a second spacing (10) and a third spacing (11) located on both sides of the timber stacking structure (18) along its length, and a fourth spacing (12) located at the left end of the timber stacking structure (18). The width of the windbreak (15) is less than or equal to the width of the fourth spacing (12), the height of the windbreak (15) is greater than or equal to the height of the timber stacking structure (18), and the windbreak (15) is configured to restrict airflow through the fourth spacing (12). The height of the top pressure plate (16) is less than or equal to the height of the first gap (9), and the top pressure plate (16) is configured to restrict airflow through the first gap (9). Within the heat treatment space (4), the airflow drive chamber (6), the second spacing (10), the airflow channel (H), and the third spacing (11) combine to form an airflow loop.

3. The heat treatment equipment for solid wood panels according to claim 2, characterized in that: The windshield (15) includes a flow restrictor (17), a mounting groove (19), and a flow deflector (20); The flow restrictor (17) and the mounting groove (19) are set in the fourth spacing (12) and are positioned and connected to the transport device (3). The flow restrictor (17) is arranged along the height direction of the timber stacking structure (18), and the mounting groove (19) is set along the left and right direction and positioned on the side of the flow restrictor (17). The baffle plate (20) is positioned and connected to the mounting groove (19). The baffle plate (20) is configured to move along a plane perpendicular to the height direction of the flow restrictor (17) via the mounting groove (19). The baffle plate (20) is set along the height direction of the flow restrictor (17).

4. The heat treatment equipment for solid wood panels according to claim 2, characterized in that: The top pressure plate (16) includes a self-weight pressure plate (21), which is positioned on the upper surface of the timber stacking structure (18). A baffle (22) is provided on the upper surface of the self-weight pressure plate (21), and the self-weight pressure plate (21) and the baffle (22) cooperate to block the airflow within the first gap (9).

5. The heat treatment equipment for solid wood panels according to claim 4, characterized in that: The blocking frame (22) includes a blocking cross plate (23) disposed on the upper surface of the self-weight pressure plate (21) and disposed along the length of the timber stacking structure (18). The two ends of the blocking cross plate (23) are provided with symmetrically arranged connecting parts (24), and the connecting parts (24) are perpendicular to the blocking cross plate (23).

6. The heat treatment equipment for solid wood panels according to claim 2, characterized in that: A mounting plate (25) is provided between the airflow drive chamber (6) and the placement chamber (7). The mounting plate (25) is arranged along the height direction of the placement chamber (7), and the width of the mounting plate (25) is equal to the width of the placement chamber (7). The surface of the mounting plate (25) is provided with a first opening (26) and a second opening (27) at positions corresponding to the second spacing (10) and the third spacing (11). The airflow circulation mechanism (14) is located inside the airflow drive chamber (6) and between the first opening (26) and the second opening (27).

7. The heat treatment equipment for solid wood panels according to claim 1, characterized in that: The airflow circulation mechanism (14) includes a wind deflector (28) and multiple airflow fans (29). The wind deflector (28) is installed inside the airflow drive chamber (6), and the airflow drive chamber (6) is divided into two parts by the installation of the wind deflector (28); a heating element (31) is installed inside the airflow drive chamber (6). Multiple airflow fans (29) are mounted on the wind deflector (28) and arranged sequentially from bottom to top along the height direction of the wind deflector (28).

8. The heat treatment equipment for solid wood panels according to claim 2, characterized in that: The timber stacking structure (18) also includes multiple partition groups; each airflow channel (H) is provided with a partition group, and each partition group is composed of multiple partition strips (30); the multiple partition strips (30) are arranged along the length direction of the timber stacking structure (18) so that the airflow channel (H) is only connected to the second spacing (10) and the third spacing (11).

9. The heat treatment equipment for solid wood panels according to claim 1, characterized in that: Viewed from the longitudinal section of the processing box (1), the airflow drive chamber (6) has an opening on the left and a bottom on the right. The opening of the airflow drive chamber (6) is connected to the placement chamber (7). The bottom sides of the airflow drive chamber (6) have air guide surfaces for reducing airflow loss.

10. The heat treatment equipment for solid wood panels according to claim 2, characterized in that: The bottom of the second spacing (10) and the third spacing (11) are provided with inclined baffles, which are configured to guide airflow toward the timber stacking structure (18).

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