A bending device for paint-free sheet materials
By designing a bending device with components such as a water storage tank and a heat-conducting metal roller, the problem of breakage caused by rapid cooling of the paint-free board was solved, and a stable high-temperature softening and bending process was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIUJIANG XIANGBO SMART HOME CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-07-03
AI Technical Summary
In the prior art, the paint-free board cools rapidly after being removed from the steamer, resulting in a short period of time that maintains its softened state, which increases the probability of breakage during bending.
A bending device was designed, comprising a water storage tank, an electric heating tube, a high-temperature resistant self-priming pump, a heat-conducting metal roller, and a bending mechanism. The device maintains the paint-free board in a high-temperature softened state through heating and heat preservation measures, and performs bending operations using the heat-conducting metal roller and pressure roller.
It effectively extends the softening time of the paint-free board, reduces the risk of breakage during bending, and improves processing stability.
Smart Images

Figure CN224446265U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of paint-free board technology, and in particular to a paint-free board bending device. Background Technology
[0002] Melamine-faced board (also known as eco-board or melamine board) is a type of engineered wood panel widely used in furniture and interior decoration. Its key feature is that decorative paper impregnated with melamine resin is hot-pressed onto the substrate surface, allowing for direct use without the need for additional painting.
[0003] In the process of bending melamine boards, a corresponding bending device is required. In existing technologies, steam softening is often used before bending. The cut melamine boards are placed directly into the steaming chamber, left to soften for a period of time, and then clamped with fixtures and bent manually. However, in this method, the melamine boards cool down rapidly after being taken out of the steaming chamber. When they come into contact with the cooler fixtures and bending equipment, the wood cools down even faster, resulting in a short softening time. Once the high-temperature softening state cannot be maintained, the probability of breakage during bending is greatly increased. Therefore, in order to correct the above defects, we propose a melamine board bending device. Utility Model Content
[0004] In view of the above problems, this application provides a bending device for paint-free boards to solve the problem that the wood cools down more quickly after contact with the low-temperature clamps and bending equipment, resulting in a shorter softening time. Once the high-temperature softening state cannot be maintained, the probability of breakage during the bending process is greatly increased.
[0005] This application provides a bending device for paint-free sheet metal, including a box body: a box door is movably connected to the front side wall of the box body, a support plate is fixedly connected to the inner wall of the box body, a water storage tank is fixedly connected to the inner wall of the water storage tank, an electric heating tube is fixedly connected to the inner wall of the water storage tank, and a water filling pipe is fixedly connected to the top of the water storage tank. The top end of the water filling pipe penetrates the top of the box body, and a valve is installed on the water filling pipe. A high-temperature resistant self-priming pump is fixedly connected to the top of the high-temperature resistant self-priming pump, and an air suction pipe and an air discharge pipe are fixedly connected to the high-temperature resistant self-priming pump. The other end of the air suction pipe penetrates the top of the box body and the water storage tank, and the other end of the air discharge pipe penetrates the top of the box body and is fixedly connected to an exhaust pipe. Several nozzle pipes are fixedly connected to the exhaust pipe, and a connecting block is fixedly connected between the exhaust pipe and the inner wall of the box body. A bending mechanism is provided inside the box body.
[0006] In some embodiments, the bending mechanism includes a pair of positioning blocks, a pair of heat-conducting metal rollers are movably connected between the pair of positioning blocks via a rotating shaft, a transmission rod is fixedly connected to the side wall of one of the positioning blocks, the other end of the transmission rod passes through the side wall of the housing and is fixedly connected to a first gear, a motor is fixedly connected to the rear side wall of the housing, and a second gear is fixedly connected to the output shaft of the motor, the first gear and the second gear meshing with each other.
[0007] In some embodiments, a pair of limiting discs are fixedly connected to the body of the transmission rod, a limiting rod is fixedly connected to the side wall of the front positioning block, and stabilizing blocks are provided on the upper and lower sides of the limiting rod, and the stabilizing blocks are fixedly connected to the inner wall of the door.
[0008] In some embodiments, an electric telescopic rod is fixedly connected to the top inner wall of the box, a horizontal plate is fixedly connected to the output shaft of the electric telescopic rod, two pairs of limiting blocks are fixedly connected to the bottom of the horizontal plate, and a pressure roller is movably connected between the two pairs of limiting blocks through a rotating shaft.
[0009] In some embodiments, a drain pipe is fixedly connected to the side wall of the housing, and a valve is installed on the drain pipe.
[0010] In some embodiments, a humidity sensor is fixedly connected to the inner wall of the enclosure.
[0011] The above description is merely an overview of the technical solutions of the embodiments of this application. In order to better understand the technical means of the embodiments of this application and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of this application more obvious and understandable, specific implementation methods of this application are described below.
[0012] 1. The system consists of a water tank, a high-temperature self-priming pump, a suction pipe, an exhaust pipe, an exhaust pipe, and nozzles. The hot-soaked paint-free board is placed on a support plate and passed through a pair of heat-conducting metal rollers. An electric telescopic rod is then activated, pushing the horizontal plate and pressure rollers downwards until the pressure rollers press down on the paint-free board. The door is then closed, and an electric heating element is activated to heat the water in the water tank. The high-temperature self-priming pump is then activated, drawing out the high-temperature water vapor from the water tank through the suction pipe and guiding it to the exhaust pipe. This vapor is then evenly sprayed onto the heat-conducting metal rollers and the paint-free board through several nozzles, raising the temperature of the heat-conducting metal rollers while maintaining the temperature of the bent portion of the paint-free board, thus facilitating bending.
[0013] 2. With the support plate and drain pipe, excess moisture will fall into the groove of the support plate during the bending process of the paint-free board, and then the drain pipe will be opened to drain the accumulated water. During the use of the device, the humidity sensor detects the humidity inside the box and opens the box door at intervals to dehumidify, thus maintaining the use environment inside the box. Attached Figure Description
[0014] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a partial perspective view of this application.
[0016] Figure 2 This is a schematic diagram of the overall structure of this application.
[0017] Figure 3 This is a side view of the housing and the heat-conducting metal rollers.
[0018] Figure 4 This is a three-dimensional view of the horizontal plate and the pressure roller.
[0019] Explanation of reference numerals in the attached figures:
[0020] 1. Box body; 2. Box door; 3. Support plate; 4. Water tank; 5. Electric heating element; 6. Water filling pipe; 7. High temperature resistant self-priming pump; 8. Suction pipe; 9. Air outlet pipe; 10. Exhaust pipe; 11. Nozzle pipe; 12. Connecting block; 13. Positioning block; 14. Heat-conducting metal roller; 15. Transmission rod; 16. First gear; 17. Motor; 18. Second gear; 19. Limiting plate; 20. Limiting rod; 21. Limiting rod; 22. Electric telescopic rod; 23. Horizontal plate; 24. Limiting block; 25. Pressure roller; 26. Drain pipe; 27. Humidity sensor. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0022] The terms "comprising" and "having," and any variations thereof, in the specification, claims, and drawings of this application are intended to cover without excluding other meanings. The words "a" or "an" do not exclude the presence of multiples. Unless otherwise stated, "multiple" means two or more (including two), and similarly, "multiple sets" means two or more (including two sets).
[0023] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of this application. For example, in the description of this application, terms such as "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0024] Furthermore, the descriptions of directions such as the X direction, Y direction, and Z direction used to explain the operation and construction of the components in this embodiment are not absolute but relative. Although these directions are appropriate when the components are in the positions shown in the figure, they should be interpreted differently when these positions change to correspond to the changes.
[0025] In the description of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, "connection" or "linkage" in mechanical structures can refer to a physical connection, such as a fixed connection, a detachable connection, or an integral connection. In addition to referring to a physical connection, "connection" or "linkage" in circuit structures can also refer to an electrical connection or a signal connection. For example, it can be a direct connection, i.e., a physical connection, or an indirect connection through at least one intermediate component, as long as the circuit is connected. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0026] To facilitate understanding of the technical solutions in the embodiments of this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.
[0027] This application provides a paint-free sheet bending device, including a box body 1: a box door 2 is movably connected to the front side wall of the box body 1, and a support plate 3 is fixedly connected to the inner wall of the box body 1. A water storage tank 4 is fixedly connected to the inner wall of the box body 1, an electric heating tube 5 is fixedly connected to the inner wall of the water storage tank 4, and a water filling pipe 6 is fixedly connected to the top of the water storage tank 4. The top end of the water filling pipe 6 penetrates the top of the box body 1, and a valve is installed on the water filling pipe 6. A high-temperature resistant self-priming pump 7 is fixedly connected to the top of the high-temperature resistant self-priming pump 7. An air suction pipe 8 and an air outlet pipe 9 are fixedly connected to the high-temperature resistant self-priming pump 7. The other end of the air suction pipe 8 penetrates the top of the box body 1 and the top of the water storage tank 4. The other end of the air outlet pipe 9 penetrates the top of the box body 1 and is fixedly connected to an exhaust pipe 10. Several nozzle pipes 11 are fixedly connected to the exhaust pipe 10, and a connecting block 12 is fixedly connected between the exhaust pipe 10 and the inner wall of the box body 1. A bending mechanism is provided inside the box body 1.
[0028] In the technical solution of this application embodiment, the bending mechanism facilitates the bending of the paint-free board. The bending mechanism includes a pair of positioning blocks 13, and a pair of heat-conducting metal rollers 14 are movably connected between the pair of positioning blocks 13 through a rotating shaft. A transmission rod 15 is fixedly connected to the side wall of one of the positioning blocks 13, and the other end of the transmission rod 15 passes through the side wall of the housing 1 and is fixedly connected to a first gear 16. A motor 17 is fixedly connected to the rear side wall of the housing 1, and a second gear 18 is fixedly connected to the output shaft of the motor 17. The first gear 16 and the second gear 18 mesh with each other.
[0029] In the technical solution of this application embodiment, the paint-free board can be pressed by the horizontal plate 23 and the pressure roller 25, thereby maintaining the stability of the paint-free board bending. A pair of limiting discs 19 are fixedly connected to the rod body of the transmission rod 15. A limiting rod 20 is fixedly connected to the side wall of the front positioning block 13. Stabilizing blocks 21 are provided on the upper and lower sides of the limiting rod 20. The stabilizing blocks 21 are fixedly connected to the inner wall of the box door 2. An electric telescopic rod 22 is fixedly connected to the top inner wall of the box body 1. The output shaft of the electric telescopic rod 22 is fixedly connected to the horizontal plate 23. Two pairs of limiting blocks 24 are fixedly connected to the bottom of the horizontal plate 23. The pressure roller 25 is movably connected between the two pairs of limiting blocks 24 through a rotating shaft.
[0030] In the technical solution of this application embodiment, during the use of the device, the humidity inside the box 1 is detected by the humidity sensor 27, and the box door 2 is opened at intervals to dehumidify. A drain pipe 26 is fixedly connected to the side wall of the box 1, and a valve is installed on the drain pipe 26. A humidity sensor 27 is fixedly connected to the inner wall of the box 1.
[0031] Working principle: In use, open the door 2, place the hot water-soaked paint-free board on the support plate 3, and pass it through a pair of heat-conducting metal rollers 14. Then, activate the electric telescopic rod 22, which pushes the horizontal plate 23 and pressure roller 25 downwards until the pressure roller 25 presses down on the paint-free board. Then, close the door 2, activate the electric heating element 5 to heat the water in the water tank 4, and then activate the high-temperature self-priming pump 7. The high-temperature self-priming pump 7 draws out the high-temperature water vapor from the water tank 4 through the suction pipe 8 and guides it to the exhaust pipe 10 through the exhaust pipe 9. This vapor is then evenly sprayed onto the heat-conducting metal rollers 14 and the paint-free board through several nozzles 11, causing the water to... The heat-conducting metal roller 14 is heated while maintaining the temperature of the bent part of the paint-free board to facilitate bending. Then, the motor 17 is started, which drives the second gear 18 to rotate. The second gear 18 drives the first gear 16 and the transmission rod 15 to rotate. The transmission rod 15 drives the positioning block 13 to rotate, and the positioning block 13 drives the heat-conducting metal roller 14 to rotate, thereby bending the paint-free board. During the bending process, excess water vapor will fall into the groove of the support plate 3, and then the drain pipe 26 will be opened to drain the accumulated water. During the use of the device, the humidity sensor 27 detects the humidity inside the box 1 and opens the box door 2 at intervals to dehumidify.
[0032] Those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of this application and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.
[0033] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. A bending device for a paint-free board, characterized in that, Includes a housing (1): a door (2) is movably connected to the front side wall of the housing (1), a support plate (3) is fixedly connected to the inner wall of the housing (1), a water storage tank (4) is fixedly connected to the inner wall of the housing (1), an electric heating tube (5) is fixedly connected to the inner wall of the water storage tank (4), and a water supply pipe (6) is fixedly connected to the top of the water storage tank (4). The top end of the water supply pipe (6) penetrates the top of the housing (1), and a valve is installed on the water supply pipe (6). The top of the housing (1) is fixedly connected to... A high-temperature resistant self-priming pump (7) is fixedly connected to an air suction pipe (8) and an air outlet pipe (9). The other end of the air suction pipe (8) passes through the top of the box (1) and the water storage tank (4). The other end of the air outlet pipe (9) passes through the top of the box (1) and is fixedly connected to an exhaust pipe (10). Several nozzle pipes (11) are fixedly connected to the exhaust pipe (10), and a connecting block (12) is fixedly connected between the exhaust pipe (10) and the inner wall of the box (1). A bending mechanism is provided inside the box (1).
2. A bending device for a paintless board according to claim 1, characterized in that, The bending mechanism includes a pair of positioning blocks (13), and a pair of heat-conducting metal rollers (14) are movably connected between the pair of positioning blocks (13) via a rotating shaft. A transmission rod (15) is fixedly connected to the side wall of one of the positioning blocks (13), and the other end of the transmission rod (15) passes through the side wall of the housing (1) and is fixedly connected to a first gear (16). A motor (17) is fixedly connected to the rear side wall of the housing (1), and a second gear (18) is fixedly connected to the output shaft of the motor (17). The first gear (16) and the second gear (18) mesh with each other.
3. A bending device for a paintless board according to claim 2, characterized in that, A pair of limiting discs (19) are fixedly connected to the rod body of the transmission rod (15). A limiting rod (20) is fixedly connected to the side wall of the front positioning block (13). A stabilizing block (21) is provided on the upper and lower sides of the limiting rod (20). The stabilizing block (21) is fixedly connected to the inner wall of the box door (2).
4. The bending device for a paintless board according to claim 1, wherein An electric telescopic rod (22) is fixedly connected to the top inner wall of the box (1). A horizontal plate (23) is fixedly connected to the output shaft of the electric telescopic rod (22). Two pairs of limiting blocks (24) are fixedly connected to the bottom of the horizontal plate (23). A pressure roller (25) is movably connected between the two pairs of limiting blocks (24) through a rotating shaft.
5. The bending device for a paintless board according to claim 1, wherein A drain pipe (26) is fixedly connected to the side wall of the box (1), and a valve is installed on the drain pipe (26).
6. The bending device for paint-free sheet metal according to claim 1, characterized in that, A humidity sensor (27) is fixedly connected to the inner wall of the box (1).