A curved wood furniture panel processing device

Abstract

The utility model discloses a curved wood furniture panel processing device relates to furniture panel processing technical field. The curved wood furniture panel processing device, including base, the base front fixed mounting has the heating box, the export of heating box both sides wall on the rotatory mounting has the symmetry of two guide rollers up and down, and the passage for the board material is formed between two guide rollers, the inside fixed mounting of heating box has the conveyer belt for conveying board material, the panel bending device is provided with behind the heating box export on the base, in the bending processing link, servo motor passes through the synchronous rotation of driving sprocket, chain drive driven sprocket, drives two screw rods synchronous lifting, and then drives the support and press roll height adjustment, can adapt to different bending demand, and the versatility of device is strengthened, and the support symmetrical distribution ensures that the stress of press roll is even, avoids the inclination influence bending accuracy, and each component cooperates and realizes the automation processing, reduces the manual intervention, and promotes the overall processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of furniture panel processing technology, and in particular to a device for processing bentwood furniture panels. Background Technology

[0002] In the field of bentwood furniture panel processing, the demand for stability and adaptability in softening, conveying and bending of the panels is increasing. However, existing processing technologies still have many shortcomings and are difficult to meet the requirements of efficient and high-quality production.

[0003] Existing processing equipment generally lacks a stable overall support foundation. During operation, it is prone to shaking due to vibration or uneven force, which leads to a decrease in the positioning accuracy of each processing stage. This, in turn, affects the consistency of the curvature of the bent board and increases the scrap rate. At the same time, the insufficient overall structural stability of the equipment will also aggravate the wear of components, shorten the service life of the equipment, and increase the later maintenance costs. In the board preheating and softening stage, existing heating equipment mostly adopts an integral heating method, which makes it difficult to achieve uniform heating of the board. Some areas are prone to overheating, resulting in carbonization and damage to the board, or underheating, resulting in insufficient softening of the board fibers. These are prone to breakage during subsequent bending, which not only wastes raw materials but also requires frequent shutdowns to deal with damaged boards, seriously affecting processing efficiency.

[0004] In the sheet material conveying process, the existing conveying system lacks an effective guiding and limiting mechanism. When the sheet material is conveyed from the heating area to the bending area, it is easy to cause scratches on the surface of the sheet material due to deviation or jamming of the conveying path, or even jamming of the sheet material. Manual intervention is required to adjust it, which not only interrupts the processing flow, but may also further affect the processing quality of the sheet material due to differences in manual operation. In addition, the transmission of conveying power is unstable and the conveying speed is prone to fluctuation, which causes the feeding rhythm of the sheet material in the bending process to be disordered, making it impossible to accurately coordinate with the bending action and reducing the bending accuracy.

[0005] In the core bending and shaping process, the existing bending mechanisms have poor adaptability. Most of them can only process panels with a single curvature. If the bending curvature needs to be adjusted, the entire bending mold needs to be replaced or a large number of mechanical structures need to be adjusted. The operation is complicated and time-consuming, which increases the production switching cost and makes it difficult to adapt to diverse product needs. At the same time, the pressure control of the board during the bending process lacks precision. Excessive pressure can easily lead to excessive deformation of the board, or insufficient pressure can cause the board to spring back after bending. The bending and shaping effect cannot be guaranteed, which affects the subsequent assembly and use performance of the furniture panel.

[0006] In addition, the transmission system of the existing equipment is poorly designed, and slippage or delay is likely to occur during power transmission, resulting in asynchronous movement of various moving parts. For example, the rotation of the bending parts does not match the speed of the sheet conveying, which further aggravates the problem of sheet conveying jamming or bending trajectory deviation. Moreover, the frictional resistance between the parts is large, which not only increases power loss, but also accelerates the wear of the parts, requiring frequent replacement of vulnerable parts, which increases the operating cost and maintenance frequency of the equipment.

[0007] Overall, the current processing technology for bentwood furniture panels has a low degree of automation and relies heavily on manual intervention. This not only increases labor costs but also leads to poor processing quality stability due to the uncertainty of manual operation. It is difficult to meet the dual requirements of efficiency and precision for mass production, thus restricting the large-scale development of the bentwood furniture industry. Summary of the Invention

[0008] The present invention aims to solve the technical problems existing in the prior art and provide a device for processing bentwood furniture panels.

[0009] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a bentwood furniture panel processing device, including a base, a heating box fixedly installed at the front end of the base, two symmetrical guide rollers rotatably installed on the two side walls at the outlet of the heating box, a channel for the board to pass through is formed between the two guide rollers, a conveyor belt for conveying the board is fixedly installed inside the heating box, and a panel bending device is provided on the base behind the outlet of the heating box.

[0010] The panel bending device includes a servo motor, a drive sprocket, a chain, a threaded rod, a bracket, a rolling bearing, a pressure roller, a rear limit roller, a front limit roller, a driven pulley, a synchronous belt, a drive pulley, a stepper motor, and a driven sprocket.

[0011] Preferably, the servo motor is fixedly installed on the lower side of one side of the base, the drive sprocket is fixedly installed on the output shaft of the servo motor, and the drive sprocket is rotatably installed on the base through a bearing seat. The driven sprocket is rotatably connected to the other side of the base through a bearing seat and is laterally symmetrical with the drive sprocket. Both the drive sprocket and the driven sprocket are transmission sprockets with internal threads, and the two are connected by a chain winding around them.

[0012] Preferably, the base is fixedly installed with a fixed seat with internal thread at the position corresponding to the driving sprocket and the driven sprocket, and the two threaded rods are symmetrically arranged, with their lower ends passing through the corresponding fixed seats and threadedly engaged with them. At the same time, the internal thread of the driving sprocket is threadedly engaged with the lower end of one of the threaded rods, and the internal thread of the driven sprocket is threadedly engaged with the lower end of the other threaded rod.

[0013] Preferably, the two supports are symmetrically distributed and fixedly installed on the upper ends of the two threaded rods, and the two rolling bearings are fixedly installed on the inner side of the upper ends of the two supports, and the two ends of the pressure roller are rotatably installed in the two rolling bearings.

[0014] Preferably, two sets of support seats are fixedly arranged above the base and below the pressure roller. The front limit roller and the rear limit roller are rotatably mounted on the two sets of support seats respectively, and the front limit roller, the rear limit roller and the pressure roller are staggered along the conveying direction of the plate to form a curved guide channel.

[0015] Preferably, the stepper motor is fixedly mounted on a bracket near the driven sprocket, the driving pulley is fixedly mounted on the output shaft of the stepper motor, and the driven pulley is fixedly mounted on the end of the pressure roller near the driven sprocket; the driving pulley and the driven pulley are connected by a synchronous belt.

[0016] Preferably, the conveyor belt inside the heating box has a conveying direction that is consistent with the extension direction of the channel between the two guide rollers, and is used to convey the plate from inside the heating box to the outlet.

[0017] Preferably, the internal thread of the lower end of the threaded rod and the internal thread of the fixed seat, as well as the internal thread of the corresponding sprocket, are all adapted external thread structures. When the driving sprocket rotates under the drive of the servo motor and drives the driven sprocket to rotate synchronously through the chain, the two sprockets respectively drive the corresponding threaded rod to rise and fall synchronously along the axial direction of the fixed seat.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. The base of this bentwood furniture panel processing device provides a stable installation benchmark for all functional components, ensuring the overall structural stability of the device and preventing processing from being affected by an unstable foundation during operation. This is the foundation for the reliable operation of the device. The heating box can preheat and soften the board, creating the necessary conditions for subsequent bending and shaping, and avoiding damage to the board due to hard bending. The conveyor belt inside the heating box can automatically transport the softened board, and together with the guide roller at the exit, it can allow the board to smoothly enter the panel bending device along the channel between the two rollers, reducing deviation and jamming during transportation and improving the smoothness of transportation.

[0020] 2. In the bending process of this bentwood furniture panel processing device, the servo motor drives the driven sprocket to rotate synchronously through the active sprocket and chain, driving the two threaded rods to rise and fall synchronously, thereby adjusting the height of the bracket and pressure roller. This adapts to different bending requirements and enhances the versatility of the device. The symmetrical distribution of the bracket ensures that the pressure roller is subjected to uniform force, avoiding tilting that affects bending accuracy. The rolling bearing can convert the sliding friction between the pressure roller and the bracket into rolling friction, reducing the rotational resistance of the pressure roller and allowing it to rotate flexibly. At the same time, it acts as a radial limiter to ensure stable pressure application of the pressure roller.

[0021] 3. In this bentwood furniture panel processing device, a stepper motor drives the driven pulley and pressure roller to rotate via an active pulley and a synchronous belt, assisting in the conveying of the board. The front limit roller and the rear limit roller work together with the pressure roller to form a bending guide channel with "upper pressure and lower support". This allows the board to bend precisely along a preset trajectory, reduces damage to the board from conveying friction, improves processing quality, and enables automated processing through the coordinated operation of all components, reducing manual intervention and improving overall processing efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a bentwood furniture panel processing device according to the present invention;

[0023] Figure 2 This is a schematic diagram of a bentwood furniture panel processing device according to the present invention;

[0024] Figure 3 This is a cross-sectional schematic diagram of a bentwood furniture panel processing device according to the present invention;

[0025] Figure 4 This is a cross-sectional schematic diagram of a bentwood furniture panel processing device according to the present invention.

[0026] Reference numerals in the attached diagram: 1. Base; 2. Servo motor; 3. Drive sprocket; 4. Chain; 5. Threaded rod; 6. Bracket; 7. Rolling bearing; 8. Pressure roller; 9. Rear limit roller; 10. Front limit roller; 11. Guide roller; 12. Conveyor belt; 13. Heating box; 14. Driven pulley; 15. Synchronous belt; 16. Drive pulley; 17. Stepper motor; 18. Driven sprocket. Detailed Implementation

[0027] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0028] Example: A device for processing bentwood furniture panels, such as... Figures 1-4 As shown:

[0029] A bending wood furniture panel processing device. It includes a base 1, a heating box 13 fixedly installed at the front end of the base 1, two symmetrical guide rollers 11 rotatably installed on the two side walls at the outlet of the heating box 13, forming a channel for the board to pass through between the two guide rollers 11, a conveyor belt 12 for conveying the board is fixedly installed inside the heating box 13, and a panel bending device is provided on the base 1 behind the outlet of the heating box 13;

[0030] The base 1 provides basic support for the entire device. All functional components are installed based on the base 1 to ensure the overall stability of the device. Before processing begins, the board to be processed is placed in the heating box 13. The heating box 13 preheats the board to soften the fibers, preparing it for subsequent bending and shaping. After heating, the conveyor belt 12 inside the heating box 13 starts and conveys the softened board towards the outlet of the heating box 13. When the board reaches the outlet of the heating box 13, two guide rollers 11 mounted on the two side walls of the outlet come into play. Since the two guide rollers 11 are symmetrical and rotatable, the board can be smoothly conveyed out of the heating box 13 along the channel between the two guide rollers 11, avoiding deviation or jamming during the conveying process. The board that is conveyed out of the heating box 13 then enters the panel bending device located behind the outlet on the base 1. The panel bending device completes the bending process of the board, realizing the initial process connection of preheating and softening, guiding and conveying, and bending.

[0031] The panel bending device includes: servo motor 2, drive sprocket 3, chain 4, threaded rod 5, bracket 6, rolling bearing 7, pressure roller 8, rear limit roller 9, front limit roller 10, driven pulley 14, synchronous belt 15, drive pulley 16, stepper motor 17, and driven sprocket 18.

[0032] Servo motor 2 is fixedly installed on the lower side of one side of base 1. Drive sprocket 3 is fixedly installed on the output shaft of servo motor 2. Drive sprocket 3 is rotatably installed on base 1 through bearing seat. Driven sprocket 18 is rotatably connected to the other side of base 1 through bearing seat. It is laterally symmetrical with drive sprocket 3. Both drive sprocket 3 and driven sprocket 18 are transmission sprockets with internal threads. The two are connected by a chain 4.

[0033] When the height of the pressure roller 8 needs to be adjusted to accommodate different bending curvature requirements, the servo motor 2 starts. Since the drive sprocket 3 is fixed on the output shaft of the servo motor 2, the rotation of the output shaft of the servo motor 2 will directly drive the drive sprocket 3 to rotate synchronously. At the same time, the drive sprocket 3 is rotatably mounted on the base 1 through a bearing seat. The bearing seat provides stable rotational support for the drive sprocket 3, preventing deviation when the drive sprocket 3 rotates. After the drive sprocket 3 rotates, the power is transmitted to the driven sprocket 18 through the chain 4 wound between it and the driven sprocket 18. The driven sprocket 18 is rotatably mounted on the other side of the base 1 through a bearing seat and is laterally symmetrical with the drive sprocket 3, ensuring smooth transmission of the chain 4. Since both the drive sprocket 3 and the driven sprocket 18 are transmission sprockets with internal threads, their rotation can further drive the movement of the subsequent threaded rod 5, realizing the power transmission process of power output - power transmission - preparation for lifting.

[0034] On the base 1, a fixed seat with internal thread is fixedly installed at the position corresponding to the driving sprocket 3 and the driven sprocket 18. Two threaded rods 5 are symmetrically arranged, and their lower ends pass through the corresponding fixed seats and are threaded with them. At the same time, the internal thread of the driving sprocket 3 is threaded with the lower end of one of the threaded rods 5, and the internal thread of the driven sprocket 18 is threaded with the lower end of the other threaded rod 5. When the sprocket rotates, it drives the threaded rod 5 to move up and down along the axial direction of the fixed seat.

[0035] The fixed seat on the base 1 provides an installation reference and limit for the threaded rod 5. Since the fixed seat has an internal thread and is engaged with the thread at the lower end of the threaded rod 5, the threaded rod 5 cannot rotate and can only move along the axial direction of the fixed seat. When the driving sprocket 3 and the driven sprocket 18 rotate synchronously under the drive of the servo motor 2, the internal thread of the driving sprocket 3 meshes with the thread at the lower end of the corresponding threaded rod 5, and the internal thread of the driven sprocket 18 also meshes with the thread at the lower end of the corresponding threaded rod 5. Under the meshing action of the threads, the rotating sprocket will generate an axial driving force on the threaded rod 5, so that the two threaded rods 5 rise and fall synchronously along the axial direction of the corresponding fixed seat. The two threaded rods 5 are symmetrically arranged to ensure that the lifting process is synchronized and to avoid the subsequent bracket 6 tilting. Thus, the rotation of the sprocket is converted into the linear lifting and lowering motion of the threaded rod 5, providing a basis for adjusting the height of the pressure roller 8.

[0036] Two supports 6 are symmetrically distributed and are fixedly installed on the upper ends of two threaded rods 5 respectively. Two rolling bearings 7 are fixedly installed on the inner side of the upper ends of the two supports 6 respectively. The two ends of the pressure roller 8 are rotatably installed in the two rolling bearings 7 respectively.

[0037] The bracket 6, serving as an intermediate component connecting the threaded rod 5 and the pressure roller 8, is fixed to the upper ends of the two threaded rods 5. When the threaded rods 5 move axially, they directly drive the two brackets 6 to move synchronously. The symmetrical distribution of the two brackets 6 ensures uniform force on the pressure roller 8 during lifting and lowering, preventing tilting. The rolling bearing 7 is fixed to the inner side of the upper end of the bracket 6, with its outer ring fixed to the bracket 6 and its inner ring fixed to both ends of the pressure roller 8. The presence of the rolling bearing 7 converts the sliding friction between the pressure roller 8 and the bracket 6 into rolling friction, significantly reducing the resistance during the rotation of the pressure roller 8 and allowing it to rotate flexibly around its own axis. Simultaneously, the rolling bearing 7 also provides radial limiting for the pressure roller 8, ensuring no radial deviation during rotation and guaranteeing stable subsequent pressurization and auxiliary conveying of the sheet material.

[0038] Two sets of support seats are fixedly installed above the base 1 and below the pressure roller 8. The front limit roller 10 and the rear limit roller 9 are rotatably installed on the two sets of support seats respectively. The front limit roller 10, the rear limit roller 9 and the pressure roller 8 are staggered along the conveying direction of the plate to form a curved guide channel.

[0039] The two sets of support seats above the base 1 provide a fixed installation reference for the front limit roller 10 and the rear limit roller 9, ensuring the stability of their positions. The front limit roller 10 and the rear limit roller 9 are rotatably mounted on the two sets of support seats, allowing them to rotate flexibly around their own axes, reducing frictional resistance during the conveying process of the sheet material. Along the conveying direction of the sheet material, the front limit roller 10, the rear limit roller 9, and the pressure roller 8 are staggered. After the sheet material is sent out from the outlet of the heating box 13, it first contacts the front limit roller 10, which provides initial support and guidance, guiding the sheet material to move downwards towards the pressure roller 8. When the sheet material reaches the pressure roller 8, the pressure roller 8, located above, applies downward pressure to the sheet material, while the front limit roller 10 and the rear limit roller 9, located below, provide upward support. Together, these three elements form a curved guide channel with upward pressure and downward support. Under the action of this channel, the sheet material will bend along a preset trajectory. Furthermore, since the front limit roller 10 and the rear limit roller 9 are rotatable, they can assist in the continuous forward conveying of the sheet material.

[0040] The stepper motor 17 is fixedly mounted on the bracket 6 near the driven sprocket 18, the driving pulley 16 is fixedly mounted on the output shaft of the stepper motor 17, and the driven pulley 14 is fixedly mounted on the end of the pressure roller 8 near the driven sprocket 18; the driving pulley 16 and the driven pulley 14 are connected by a synchronous belt 15.

[0041] Stepper motor 17 is fixed on bracket 6 near the driven sprocket 18 and rises and falls synchronously with bracket 6 to ensure that its relative position with pressure roller 8 remains stable and to prevent transmission components from falling off. When pressure roller 8 needs to rotate to assist in board conveying, stepper motor 17 starts, and its output shaft rotates to drive pulley 16 fixed on the shaft to rotate synchronously. Drive pulley 16 transmits power to driven pulley 14 through synchronous belt 15. Driven pulley 14 is fixed at the end of pressure roller 8 near driven sprocket 18, so that driven pulley 14 drives pressure roller 8 to rotate synchronously. Synchronous belt 15 transmission has the characteristics of stable transmission ratio and no slippage, which can ensure that the rotation of drive pulley 16 and driven pulley 14 is synchronized, thereby making the rotation speed of pressure roller 8 stable and matching the board conveying speed. This avoids board conveying jamming or reduced bending accuracy due to uneven rotation speed of pressure roller 8, and finally realizes the drive process of power output - synchronous transmission - pressure roller rotation - auxiliary conveying.

[0042] Working principle: The board to be processed is placed in the heating box 13 for preheating and softening. After heating, the conveyor belt 12 starts and conveys the board to the outlet of the heating box 13. The board is then smoothly fed into the panel bending device by two guide rollers 11 at the outlet. The servo motor 2 starts and drives the drive sprocket 3 to rotate. The power is transmitted to the driven sprocket 18 through the chain 4. The two sprockets drive the corresponding threaded rods 5 to rise and fall synchronously, driving the bracket 6 and the pressure roller 8 to adjust to the appropriate height. The stepper motor 17 starts and drives the pressure roller 8 to rotate through the drive pulley 16, the synchronous belt 15, and the driven pulley 14. The board is guided by the front limit roller 10 to the bottom of the pressure roller 8. The pressure roller 8 presses down and cooperates with the front limit roller 10 and the rear limit roller 9 to form a bending guide channel, so that the board bends along the preset trajectory and is continuously conveyed to complete the processing.

[0043] The base 1 provides a stable installation reference for all functional components, ensuring the overall structural stability of the device and preventing processing from being affected by unstable foundations during operation. It is the foundation for the reliable operation of the device. The heating box 13 can preheat and soften the sheet material, creating the necessary conditions for subsequent bending and shaping, and avoiding damage to the sheet material caused by hard bending. The conveyor belt 12 inside the heating box 13 can automatically transport the softened sheet material. Together with the guide roller 11 at the outlet, the sheet material can smoothly enter the panel bending device along the channel between the two rollers, reducing deviation and jamming during transport and improving the smoothness of transport.

[0044] In the bending process, the servo motor 2 drives the driven sprocket 18 to rotate synchronously through the active sprocket 3 and chain 4, which drives the two threaded rods 5 to rise and fall synchronously, thereby driving the bracket 6 and pressure roller 8 to adjust their height. This can adapt to different bending requirements and enhance the versatility of the device. The symmetrical distribution of the bracket 6 ensures that the pressure roller 8 is subjected to uniform force and avoids tilting from affecting the bending accuracy. The rolling bearing 7 can convert the sliding friction between the pressure roller 8 and the bracket 6 into rolling friction, reducing the rotational resistance of the pressure roller 8 and making it rotate flexibly. At the same time, it acts as a radial limit to ensure that the pressure roller 8 is stably pressurized.

[0045] Stepper motor 17 drives driven pulley 14 and pressure roller 8 to rotate via active pulley 16 and synchronous belt 15, assisting in the conveying of the sheet material. Front limit roller 10 and rear limit roller 9, together with pressure roller 8, form a bending guide channel of "upper pressure and lower support", which can not only make the sheet material bend accurately along the preset trajectory, but also reduce the damage to the sheet material caused by conveying friction, improve the processing quality, and achieve automated processing through the collaboration of various components, reduce manual intervention, and improve the overall processing efficiency.

[0046] Structural Description:

[0047] Base 1: The basic support component of the device, providing an installation benchmark for all functional components, ensuring the overall structural stability of the device, and serving as a fixed installation carrier for components such as heating box 13 and panel bending device;

[0048] Servo motor 2: A drive component that provides lifting power. It is fixedly installed on the lower side of one side of the base 1. After starting, it drives the drive sprocket 3 to rotate synchronously through the output shaft, providing a power source for the height adjustment of the pressure roller 8. It is the core power component for realizing the lifting of the pressure roller 8.

[0049] Drive sprocket 3: A transmission sprocket with internal threads, fixedly mounted on the output shaft of the servo motor 2, and rotatably mounted on the base 1 via a bearing seat. It can rotate with the output shaft of the servo motor 2 and transmit power to the driven sprocket 18 via the chain 4. Its internal thread is engaged with the lower thread of one of the threaded rods 5, which can drive the threaded rod 5 to move up and down axially.

[0050] Chain 4: A power transmission belt component, wound between the drive sprocket 3 and the driven sprocket 18, smoothly transmitting the rotational power of the drive sprocket 3 to the driven sprocket 18, ensuring that the drive sprocket 3 and the driven sprocket 18 rotate synchronously, and providing power transmission guarantee for the synchronous lifting and lowering of the two threaded rods 5;

[0051] Threaded rod 5: A rod-shaped component for lifting and adjusting, consisting of two symmetrically arranged rods. The lower ends of the rods pass through the threaded fixing seats on the base 1 corresponding to the positions of the drive sprocket 3 and the driven sprocket 18, and engage with the internal threads of the drive sprocket 3 and the driven sprocket 18, respectively. The upper end is fixedly connected to the bracket 6. When the sprocket rotates, the rods are driven by the thread engagement force to lift and lower synchronously along the axial direction of the fixing seat, thereby adjusting the height of the bracket 6 and the pressure roller 8. The symmetrical arrangement can prevent the bracket 6 from tilting.

[0052] Support bracket 6: A support component connecting the threaded rod 5 and the pressure roller 8. There are two of them, symmetrically distributed, and they are fixedly installed on the upper ends of the two threaded rods 5 respectively. Rolling bearings 7 are fixedly installed on the inner side of the upper end. A stepper motor 17 is also fixedly installed on the support bracket 6 near the driven sprocket 18. It rises and falls synchronously with the threaded rod 5, driving the pressure roller 8 to adjust its height. The symmetrical distribution ensures that the pressure roller 8 is evenly stressed and does not tilt. At the same time, it provides a mounting base for the rolling bearings 7 and the stepper motor 17.

[0053] Rolling bearing 7: A component that reduces friction and provides rotational support. There are two bearings in total, which are fixedly installed on the inner side of the upper end of the two brackets 6 respectively. The inner ring is fixed to both ends of the pressure roller 8, and the outer ring is fixed to the bracket 6. It converts the sliding friction between the pressure roller 8 and the bracket 6 into rolling friction, reduces the rotational resistance of the pressure roller 8, and allows the pressure roller 8 to rotate flexibly around its own axis. At the same time, it provides radial limit for the pressure roller 8 to prevent radial deviation during rotation.

[0054] Pressure roller 8: The core pressure component for bending the sheet material. It is rotatably mounted between two supports 6 via rolling bearings 7 at both ends, located above the front limit roller 10 and the rear limit roller 9. During the sheet material conveying process, it applies downward pressure to the sheet material below, forming a "pressing down and supporting up" bending guide channel with the front limit roller 10 and the rear limit roller 9, so that the sheet material bends along the preset trajectory. At the same time, it can rotate under the drive of the stepper motor 17 to assist in the sheet material conveying.

[0055] Rear limit roller 9: A roller-shaped component that supports and guides the sheet material. It is rotatably mounted on the side above the base 1, below the pressure roller 8, and away from the heating box 13 via a support seat. It is distributed along the sheet material conveying direction with the front limit roller 10. It rotates around its own axis as the sheet material is conveyed, reducing frictional resistance and providing upward support for the sheet material. Together with the pressure roller 8 and the front limit roller 10, it forms a curved guide channel to assist in the stable conveying of the sheet material and maintain the curved trajectory.

[0056] Front limiting roller 10: A roller-shaped component that provides initial support and guidance for the sheet material. It is rotatably mounted on the side above the base 1, below the pressure roller 8, and near the outlet of the heating box 13 via a support seat. It is distributed along the sheet material conveying direction with the rear limiting roller 9. After the sheet material is sent out from the outlet of the heating box 13, it first contacts this roller and rotates around its own axis as the sheet material is conveyed to reduce friction and guide the sheet material to move downwards from the pressure roller 8. At the same time, it provides upward support for the sheet material and forms a curved guide channel with the pressure roller 8 and the rear limiting roller 9.

[0057] Guide rollers 11: Roller-shaped components that guide the smooth output of the sheet material. There are two rollers in total, which are symmetrically arranged and rotatably installed on the two side walls at the outlet of the heating box 13. A channel for the sheet material to pass through is formed between the two rollers. When the sheet material is sent out from the heating box 13, it moves along the channel between the two rollers. The two rollers can rotate with the sheet material to avoid deviation or jamming during the conveying of the sheet material and ensure that the sheet material enters the panel bending device smoothly.

[0058] Conveyor belt 12: A strip-shaped component for conveying the sheet material, fixedly installed inside the heating box 13. The conveying direction is consistent with the direction of the sheet material passing through the guide roller 11. It is started after the sheet material is heated and conveys the softened sheet material in the heating box 13 towards the outlet of the heating box 13, providing power for the sheet material to enter the subsequent bending process and realizing the conveying connection of the sheet material from heating to bending.

[0059] Heating box 13: A box component for preheating and softening the board material. It is fixedly installed at the front end of the base 1. Guide rollers 11 are installed on both sides of the outlet. A conveyor belt 12 is fixedly installed inside. It holds the board material to be processed before processing, preheats the board material to soften the board fibers, and creates conditions for subsequent bending and shaping of the board material. It is the core processing component for softening the board material.

[0060] Driven pulley 14: A pulley component that transmits rotational power. It is fixedly installed at the end of the pressure roller 8 near the driven sprocket 18 and connected to the driving pulley 16 via a synchronous belt 15. It rotates synchronously under the drive of the driving pulley 16, thereby driving the pressure roller 8 to rotate around its own axis and providing direct power for the auxiliary material conveying of the pressure roller 8.

[0061] Synchronous belt 15: A belt-shaped component that transmits rotational power, wound between the driving pulley 16 and the driven pulley 14; it transmits the rotational power of the driving pulley 16 to the driven pulley 14, and the transmission ratio is stable and without slippage, ensuring that the rotational speed of the pressure roller 8 is stable and matched with the speed of the sheet material conveying, and avoiding the sheet material conveying jamming or the reduction of bending accuracy due to uneven speed of the pressure roller 8.

[0062] Active pulley 16: A pulley component that transmits rotational power, fixedly mounted on the output shaft of stepper motor 17, and connected to driven pulley 14 via synchronous belt 15; it rotates synchronously with the output shaft of stepper motor 17, and transmits the power of stepper motor 17 to driven pulley 14 via synchronous belt 15, playing the role of intermediate power transmission and providing power connection for the rotation of pressure roller 8;

[0063] Stepper motor 17: A drive component that provides rotational power to the pressure roller 8. It is fixedly mounted on the bracket 6 near the driven sprocket 18. The drive pulley 16 is fixedly mounted on the output shaft and rises and falls synchronously with the bracket 6 to ensure that the relative position with the pressure roller 8 is always stable and to prevent the transmission components from falling off. After starting, it drives the drive pulley 16 to rotate through the output shaft to provide power for the auxiliary material conveying of the pressure roller 8.

[0064] Driven sprocket 18: A transmission sprocket with internal threads, symmetrical to the driving pulley 16 laterally, and rotatably mounted on the other side of the base 1 via a bearing seat. It is connected to the driving sprocket 3 via a chain 4. Its internal thread engages with the lower thread of another threaded rod 5. Driven by the chain 4, it rotates synchronously with the driving sprocket 3. The internal thread engages with the corresponding threaded rod 5 to drive the threaded rod 5 to rise and fall. At the same time, the bearing seat ensures stable rotation and smooth transmission of the chain 4.

[0065] Finally, it should be noted that the above embodiments are merely representative examples of this utility model. Obviously, this utility model is not limited to the above embodiments and can have many variations. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model should be considered to fall within the protection scope of this utility model.

Claims

1. A device for processing bentwood furniture panels, comprising a base (1), characterized in that: A heating box (13) is fixedly installed at the front end of the base (1), and two guide rollers (11) symmetrically mounted on both sides of the outlet of the heating box (13). A channel for the plate to pass through is formed between the two guide rollers (11). A conveyor belt (12) for conveying the plate is fixedly installed inside the heating box (13). A panel bending device is provided on the base (1) behind the outlet of the heating box (13). The panel bending device includes a servo motor (2), a drive sprocket (3), a chain (4), a threaded rod (5), a bracket (6), a rolling bearing (7), a pressure roller (8), a rear limit roller (9), a front limit roller (10), a driven pulley (14), a synchronous belt (15), a drive pulley (16), a stepper motor (17), and a driven sprocket (18).

2. The bending wood furniture panel processing device according to claim 1, characterized in that: The servo motor (2) is fixedly installed on the lower side of one side of the base (1). The drive sprocket (3) is fixedly installed on the output shaft of the servo motor (2). The drive sprocket (3) is rotatably installed on the base (1) through a bearing seat. The driven sprocket (18) is rotatably connected to the other side of the base (1) through a bearing seat. It is laterally symmetrical with the drive sprocket (3). Both the drive sprocket (3) and the driven sprocket (18) are transmission sprockets with internal threads. The two are connected by a chain (4) to achieve transmission.

3. The bending wood furniture panel processing device according to claim 2, characterized in that: The base (1) is fixedly installed with internal threaded mounting seats at the positions corresponding to the driving sprocket (3) and the driven sprocket (18). The two threaded rods (5) are symmetrically arranged, and their lower ends pass through the corresponding mounting seats and are threadedly engaged with them. At the same time, the internal thread of the driving sprocket (3) is threadedly engaged with the lower end of one of the threaded rods (5), and the internal thread of the driven sprocket (18) is threadedly engaged with the lower end of the other threaded rod (5).

4. The bending wood furniture panel processing device according to claim 3, characterized in that: The two brackets (6) are symmetrically distributed and are fixedly installed on the upper ends of the two threaded rods (5). The two rolling bearings (7) are fixedly installed on the inner side of the upper ends of the two brackets (6). The two ends of the pressure roller (8) are rotatably installed in the two rolling bearings (7).

5. The bending wood furniture panel processing device according to claim 4, characterized in that: Two sets of support seats are fixedly installed above the base (1) and below the pressure roller (8). The front limit roller (10) and the rear limit roller (9) are rotatably installed on the two sets of support seats respectively. The front limit roller (10), the rear limit roller (9) and the pressure roller (8) are staggered along the conveying direction of the plate to form a curved guide channel.

6. The bending wood furniture panel processing device according to claim 5, characterized in that: The stepper motor (17) is fixedly mounted on the bracket (6) on the side near the driven sprocket (18), the driving pulley (16) is fixedly mounted on the output shaft of the stepper motor (17), and the driven pulley (14) is fixedly mounted on the end of the pressure roller (8) near the driven sprocket (18); The driving pulley (16) and the driven pulley (14) are connected by a synchronous belt (15).

7. The bending wood furniture panel processing device according to claim 6, characterized in that: The conveyor belt (12) inside the heating box (13) has a conveying direction that is consistent with the extension direction of the channel between the two guide rollers (11), and is used to convey the plate from inside the heating box (13) to the outlet.

8. The bending wood furniture panel processing device according to claim 7, characterized in that: The lower end of the threaded rod (5) is adapted to the internal thread of the fixed seat and the internal thread of the corresponding sprocket. When the active sprocket (3) rotates under the drive of the servo motor (2) and drives the driven sprocket (18) to rotate synchronously through the chain (4), the two sprockets drive the corresponding threaded rod (5) to rise and fall synchronously along the axial direction of the fixed seat.

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