A high-efficiency microwave generator layout optimization device for a microwave preheating section

Abstract

This utility model discloses a high-efficiency microwave generator layout optimization device for a microwave preheating section, including a belt conveyor. A particleboard slab is placed on the belt conveyor and transported to the area below the microwave generator for microwave preheating. A mounting box with an open bottom is fixed above the belt conveyor, and flow openings for slab transport are reserved on both sides of the bottom of the mounting box. The layout optimization device also includes an arc plate, with its concave surface facing the top surface of the belt conveyor, and insulating side plates forming on both sides of the arc plate. The microwave generator is fixedly mounted on the concave surface of the arc plate via a connecting rod, and the convex surface of the arc plate is connected to the inner top of the mounting box via a lifting mechanism. The height of the microwave generator can be adjusted via the lifting mechanism. Through the coordinated design of the lifting mechanism and the arc plate, the height of the microwave generator can be adjusted according to the slab thickness or process requirements, ensuring that microwave energy is more effectively applied to the slab.

Description

Technical Field

[0001] This utility model relates to the technical field of microwave heating equipment for particleboard production, specifically a high-efficiency microwave generator layout optimization device for a microwave preheating section. Background Technology

[0002] In particleboard production, the microwave preheating stage is a crucial step in ensuring slab quality. Traditional microwave preheating devices typically employ a fixed microwave generator layout. The height and position of the microwave generator cannot be flexibly adjusted according to slab thickness or process requirements, resulting in unsuitable microwave energy application distances. This leads to poor preheating effects and may even cause overheating and damage to the slab due to excessive microwave reception in certain areas. Chinese utility model patent CN211917161U discloses a microwave preheating device for particleboard preparation, comprising a preheating box, a conveyor belt, and a microwave heater fixedly installed on the top wall of the preheating box. An arc-shaped plate, made of metal, is fixedly connected to the top wall of the preheating box via a connecting rod to reflect microwaves and improve preheating efficiency. However, the microwave generator in this prior art is fixed in position and cannot be adjusted according to slab thickness or process requirements, still resulting in inappropriate microwave energy application distances and insufficient preheating uniformity. Furthermore, the existing device lacks an effective microwave reflection structure, leading to low microwave utilization and significant energy waste.

[0003] To address the aforementioned issues, existing technologies have attempted to improve energy distribution by combining multiple microwave generators or adding auxiliary reflectors. However, these solutions are structurally complex, inconvenient to adjust, and difficult to achieve precise control.

[0004] Therefore, there is a need for a layout optimization device that can flexibly adjust the height of the microwave generator, optimize the microwave energy distribution, and improve preheating efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency microwave generator layout optimization device for a microwave preheating section, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A high-efficiency microwave generator layout optimization device for a microwave preheating section includes a belt conveyor. Particleboard blanks are placed onto the belt conveyor and transported to the area below the microwave generator for microwave preheating. The device is characterized by: a mounting box with an open bottom is fixedly installed above the belt conveyor; flow openings for blank transport are reserved on both sides of the bottom of the mounting box; the layout optimization device also includes an arc plate, the concave surface of which faces the top surface of the belt conveyor, and insulating side plates are formed on both sides of the arc plate; the microwave generator is fixedly mounted on the concave surface of the arc plate via a connecting rod; the convex surface of the arc plate is connected to the inner top of the mounting box via a lifting mechanism, which allows adjustment of the height of the microwave generator.

[0007] Preferably, the arc plate is made of a metal material and has a microwave reflective effect.

[0008] Preferably, a spiral wire is fixedly provided between the top wall of the mounting box and the convex surface of the arc plate. The end of the spiral wire near the mounting box is electrically connected to the power supply, and the end near the arc plate is electrically connected to the microwave generator.

[0009] Preferably, the insulating side plate of the arc plate forms a slider, and the front and rear side walls of the mounting box form sliding grooves, with the slider and the sliding grooves being slidably connected.

[0010] Preferably, the left and right side walls of the mounting box form a floating platform, and the lifting mechanism includes a winding motor fixedly installed on the floating platform and a pulley fixedly installed on the convex surface of the arc plate; a sliding hole is formed on the front side of the floating platform, one end of the traction rope is fixedly connected to the front side of the floating platform, the other end of the traction rope passes around the pulley and through the sliding hole, and is finally wound up and connected to a winding reel fixed on the main shaft of the winding motor.

[0011] Preferably, the top surface of the flow gap forms a telescopic square hole, and a telescopic partition is damped and slidable in the telescopic square hole.

[0012] Preferably, the telescopic square hole extends to the operating window outside the mounting box, and the side of the telescopic partition near the operating window forms an anti-slip strip.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, through the coordinated design of a lifting mechanism and an arc plate, allows the height of the microwave generator to be adjusted according to the slab thickness or process requirements. This ensures the microwave generator is positioned appropriately close to the slab for microwave transmission, guaranteeing that microwave energy is more effectively applied to the slab surface and preventing localized overheating or insufficient preheating due to excessively close or distant microwave contact. Simultaneously, the arc plate, made of metal with its concave surface facing the slab, effectively reflects microwaves, reducing energy loss and improving microwave utilization.

[0014] 2. This utility model also achieves smooth lifting and lowering by sliding the isolation side plates on both sides of the arc plate with the slide groove of the mounting box, combined with the traction rope and winding motor of the lifting mechanism, thus avoiding shaking or deviation during the adjustment process; in addition, the telescopic partition design at the flow gap facilitates the conveying of the slab, and the height position of the partition can be quickly adjusted through the operation window to further optimize the microwave action area. Attached Figure Description

[0015] Figure 1 This is a front sectional view of the present invention; Figure 2 for Figure 1 A magnified view of part A in the image; Figure 3 for Figure 1 A magnified view of part B in the image; Figure 4 This is a three-dimensional structural diagram of the present invention; Figure 5 This is a top sectional view of the present invention; Figure 6 for Figure 5 A magnified view of part C.

[0016] In the diagram: 1-Belt conveyor; 2-Microwave generator; 3-Mounting box; 4-Flow gap; 5-Arc plate; 6-Isolation side plate; 7-Connecting rod; 8-Lifting mechanism; 9-Helical guide wire; 10-Slider; 11-Slide groove; 12-Floating platform; 13-Rewinding motor; 14-Pulley; 15-Slide hole; 16-Traction rope; 17-Rewinding reel; 18-Telescopic square hole; 19-Telescopic partition; 20-Anti-slip strip. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figures 1 to 6 As shown, this utility model provides a high-efficiency microwave generator layout optimization device for a microwave preheating section. This layout optimization device optimizes the installation structure of the microwave generator to adapt to different thicknesses of slabs or process requirements.

[0019] like Figure 1 , Figure 4 and Figure 5As shown, specifically, the high-efficiency microwave generator layout optimization device for this microwave preheating section includes a belt conveyor 1. The particleboard blank is conveyed to the area below the microwave generator 2 via the belt conveyor 1 for preheating. Further, a mounting box 3 is fixed above the belt conveyor 1, with an open bottom and flow gaps 4 on both sides at the bottom to facilitate the passage of the blank during conveying. Specifically, an arc plate 5 is connected to the top of the mounting box 3 via a lifting mechanism 8; that is, the arc plate 5 is located within the cavity of the mounting box 3. The concave surface of the arc plate 5 faces the top surface of the belt conveyor 1, and the microwave generator 2 is fixed via a connecting rod 7. In this embodiment, the microwave generator 2 is a commercially available microwave generator. During installation, the microwave generator emits microwaves towards the belt conveyor 1 to heat the particleboard blank. Preferably, the arc plate 5 is made of metal, which can reflect microwaves and improve energy utilization.

[0020] Furthermore, a spiral wire 9 is fixedly provided between the top wall of the mounting box 3 and the convex surface of the arc plate 5. The spiral wire 9 is used to adapt to the lifting and lowering of the microwave generator and to prevent the wire from being pulled off. Furthermore, the end of the spiral wire 9 near the mounting box 3 is electrically connected to the power supply, and the end near the arc plate 5 is electrically connected to the microwave generator 2, so as to realize the power supply and control of the microwave generator 2.

[0021] More specifically, such as Figure 2 As shown, the lifting mechanism 8 includes a winding motor 13, a pulley 14, and a traction rope 16. Specifically, the winding motor 13 is fixed to the platform 12 on the side wall of the mounting box 3, and one end of the traction rope 16 is fixed to the front side of the platform 12, while the other end passes around the pulley 14, through the sliding hole 15, and is wound into the winding reel 17. Further optimized, by controlling the forward and reverse rotation of the winding motor 13, the traction rope 16 can be wound up and down, thereby achieving height adjustment of the arc plate 5 and the microwave generator 2. Preferably, as... Figure 1 and Figure 6 As shown, the isolation side plates 6 on both sides of the arc plate 5 are slidably connected to the slide groove 11 of the mounting box 3 through the slider 10, ensuring a smooth lifting process.

[0022] Furthermore, such as Figure 3 As shown, the top surface of the flow gap 4 is provided with a telescopic square hole 18, into which the telescopic partition 19 can be inserted with damping. That is, it has a certain frictional damping effect when pushed, allowing the telescopic partition 19 to remain at any height, thus adjusting the area of ​​the flow gap 4 that is blocked. Furthermore, as... Figure 4 As shown, the left and right sides of the mounting box 3 respectively form operation windows that communicate with the corresponding telescopic square holes 18 (specific settings are as follows). Figure 3 and Figure 4The diagram shows a square operating window. An anti-slip strip 20 is provided on one side of the telescopic partition 19 near the operating window, facilitating manual adjustment of the partition position. Therefore, by adjusting the extension length of the telescopic partition 19, it can accommodate slabs of different widths, preventing microwave leakage.

[0023] In practical applications, the operator first starts the winding motor 13 according to the slab thickness and adjusts the microwave generator 2 to a suitable height. Preferably, the winding motor 13 of the lifting mechanism 8 can be equipped with an automated control system to achieve precise positioning. Subsequently, the slab is placed on the belt conveyor 1 and transported through the flow gap 4 to the area below the microwave generator 2 (i.e., the bottom of the cavity of the mounting box 3) for preheating. In specific operations, if the slab width is small, the telescopic partition 19 can be pushed out to narrow the opening of the flow gap 4, ensuring that the microwaves act on the slab in a concentrated manner.

[0024] This invention significantly improves preheating uniformity and energy utilization through a height-adjustable microwave generator layout, a metal reflective arc plate, and a flexible telescopic partition design. At the same time, it has a simple and reliable structure, is easy to operate, and is suitable for industrial mass production.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-efficiency microwave generator layout optimization device for a microwave preheating section, comprising a belt conveyor (1), wherein a particleboard blank is placed onto the belt conveyor (1) and conveyed to the microwave generator (2) for microwave preheating, characterized in that: The belt conveyor (1) is fixedly provided with a mounting box (3) with an open bottom surface. The mounting box (3) has flow gaps (4) reserved on both sides of the bottom for conveying slabs. The layout optimization device also includes an arc plate (5). The concave surface of the arc plate (5) faces the top surface of the belt conveyor (1), and the arc plate (5) forms isolation side plates (6) on both sides. The concave surface of the arc plate (5) is fixedly installed with the microwave generator (2) by a connecting rod (7). The convex surface of the arc plate (5) is connected to the inner top of the mounting box (3) by a lifting mechanism (8). The height of the microwave generator (2) can be adjusted by the lifting mechanism (8).

2. The microwave generator layout optimization device according to claim 1, characterized in that: The arc plate (5) is made of metal and has a reflective effect on microwaves.

3. The microwave generator layout optimization device according to claim 1, characterized in that: A spiral wire (9) is fixedly provided between the top wall of the mounting box (3) and the convex surface of the arc plate (5). One end of the spiral wire (9) near the mounting box (3) is electrically connected to the power supply, and the other end near the arc plate (5) is electrically connected to the microwave generator (2).

4. The microwave generator layout optimization device according to claim 1, characterized in that: The insulating side plate (6) of the arc plate (5) forms a slider (10), and the front and rear side walls of the mounting box (3) form a sliding groove (11). The slider (10) and the sliding groove (11) are connected by sliding fit.

5. The microwave generator layout optimization device according to claim 1, characterized in that: The left and right side walls of the mounting box (3) form a floating platform (12). The lifting mechanism (8) includes a winding motor (13) fixedly installed on the floating platform (12) and a pulley (14) fixedly installed on the convex surface of the arc plate (5). A sliding hole (15) is formed on the front side of the floating platform (12). One end of the traction rope (16) is fixedly connected to the front side of the floating platform (12). The other end of the traction rope (16) passes around the pulley (14) and through the sliding hole (15), and is finally wound up and connected to the winding reel (17) fixed on the main shaft of the winding motor (13).

6. The microwave generator layout optimization device according to claim 1, characterized in that: The top surface of the flow gap (4) forms a telescopic square hole (18), in which a telescopic partition (19) is damped and slidable.

7. The microwave generator layout optimization device according to claim 6, characterized in that: The telescopic square hole (18) forms an operating window that extends to the outside of the mounting box (3), and the telescopic partition (19) forms an anti-slip strip (20) on the side near the operating window.

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