Transfer device for panel cutting pre-treatment

Abstract

The utility model discloses a panel material moving device of panel cutting pretreatment belongs to panel processing technical field. The device includes: the frame has the horizontal extension upper table surface, and the end is the discharge end, the limiting frame contains the telescopic guide rod of multiple vertical setting in the discharge end edge and each other parallel, the power roller group contains the drive motor, the pivot and the multiple active rollers of equal interval installation on the pivot, and the drive motor is connected the pivot through the chain transmission, and the pivot is parallel to the upper table surface and the discharge end, a plurality of driven rollers evenly distribute in the upper table surface, and its axis is parallel with the active roller axis, and the active roller and driven roller all rotatable installation in the frame through the bearing, and the upper top surface of all rollers all is 10 to 30 millimeters higher than the upper table surface and is in the same horizontal plane. The device is mainly used for the automatic alignment and stable transfer of the wood board in the cutting pretreatment process.

Description

Technical Field

[0001] This utility model belongs to the field of panel processing technology, and more specifically, it relates to a material transfer device for panel cutting preprocessing. Background Technology

[0002] In traditional panel pre-processing, wood boards need to be kiln-dried and sanded before cutting and drilling. Manually handling and leveling the boards is inefficient and labor-intensive; using ordinary conveyor belts results in boards easily shifting and tilting, leading to uneven sanded surfaces, and manual handling is inefficient and prone to injury. Therefore, there is an urgent need for a material handling device that facilitates easy docking and smooth movement. Utility Model Content

[0003] One object of this invention is to solve at least the aforementioned defects and to provide at least the advantages described below.

[0004] This utility model provides a material transfer device for panel cutting pretreatment, which solves the problems of low efficiency and large workload of traditional manual handling of wooden boards, as well as the problem of uneven sanding surface caused by the easy displacement and tilting of wooden boards when using ordinary conveyor belts.

[0005] This utility model provides a material transfer device for panel cutting pretreatment, which includes a frame, a limit frame, a power roller group and multiple driven rollers; The frame has a horizontally extending upper platform, the end of which is the discharge end; The limiting frame includes multiple telescopic guide rods, all of which are parallel to each other and perpendicular to each other at the edge of the discharge end of the upper table of the frame; The power roller assembly includes a drive motor, a rotating shaft, and multiple active rollers equally spaced on the rotating shaft. The drive motor is connected to the rotating shaft via chain drive. The rotating shaft is parallel to the upper surface of the frame and parallel to the discharge end of the upper surface; the multiple driven rollers are evenly distributed on the upper surface of the frame, and the axis of all driven rollers is parallel to the axis of the driving roller; The driving roller and the driven roller are rotatably mounted on the frame via bearings. The top surface of all rollers is 10 to 30 mm above the upper surface of the frame. The top surfaces of all rollers are on the same horizontal plane, which is parallel to the upper surface of the frame.

[0006] Preferably, it also includes a hydraulic lifting platform; the hydraulic lifting platform is installed at the bottom of the frame, and the extension stroke of the hydraulic lifting platform is 150 to 500 mm; the top of the lifting column of the hydraulic lifting platform is fixedly connected to the bottom support plate of the frame.

[0007] Preferably, the shaft of the power roller assembly is installed in the area between the middle of the upper platform of the frame and the discharge end; the distance from the center line of the shaft to the edge of the discharge end is 1 / 6 to 1 / 2 of the total length of the upper platform of the frame.

[0008] Preferably, the installation height of the driven rollers is adjustable; each driven roller is connected to the frame via a threaded lifting mechanism; the adjustment range of the threaded lifting mechanism is ±5 mm.

[0009] Preferably, the bottom of the guide rod is connected to a crossbar, and the crossbar is driven by a hydraulically driven telescopic rod to make multiple guide rods rise and fall synchronously; the stroke of the hydraulically driven telescopic rod is 30 to 50 mm.

[0010] Preferably, the outer circumferential surfaces of both the driving roller and the driven roller are covered with a rubber layer, the thickness of which is 2 to 5 millimeters.

[0011] Preferably, a fixed sleeve is fitted on the outer side of the telescopic guide rod, the fixed sleeve is distributed along the axial direction of the guide rod and fixed to the frame; the inner diameter of the fixed sleeve and the outer diameter of the telescopic guide rod are clearance fit, the clearance being 0.1 to 0.3 mm.

[0012] This utility model has at least the following beneficial effects: First, this utility model achieves automatic alignment and stable transfer of wooden boards through the coordinated action of the retractable guide rod and the roller assembly, thereby improving efficiency.

[0013] Secondly, this utility model uses a hydraulic lifting platform to achieve adjustable overall machine height, meeting the needs of connecting multiple production lines.

[0014] Third, the installation height of the driven rollers in this invention is adjustable, which helps maintain the coplanarity of all rollers and ensures smooth transfer of the wooden board.

[0015] Fourth, this utility model has rubber layers covering the outer circumference of both the active and driven rollers, which helps to enhance the efficiency of driving force transmission and reduce the risk of scratches on the wooden board surface.

[0016] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of one implementation of the material transfer device for panel pre-processing described in this utility model; Figure 2 This is a schematic diagram of another implementation of the material transfer device for panel pre-processing described in this utility model.

[0018] Among them, the upper platform 1; guide rod 2; driving roller 3; driven roller 4; support plate 5; lifting column 6; threaded lifting mechanism 7; U-shaped bracket 8; adjusting nut 9; crossbar 10; hydraulically driven telescopic rod 11; sleeve 12. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the embodiments, so that those skilled in the art can implement it based on the description.

[0020] It should be noted that, unless otherwise specified, the experimental methods described in the following embodiments are conventional methods, and the reagents and materials described are commercially available. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "setting" should be interpreted broadly. For example, they can refer to fixed connection or setting, detachable connection or setting, or integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description. They 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, and therefore should not be construed as a limitation of this utility model.

[0021] Figure 1 The implementation of the material transfer device for panel cutting pretreatment is shown, which includes a frame, a limit frame, a power roller group and multiple driven rollers 4; The frame has a horizontally extending upper platform 1, and the end of the upper platform 1 is the discharge end; The limiting frame includes multiple telescopic guide rods 2, all of which are parallel to each other and perpendicular to the edge of the discharge end of the upper table 1 of the frame, forming a limiting frame that is parallel to the end edge of the upper table 1. The power roller assembly includes a drive motor, a rotating shaft, and multiple active rollers 3 installed at equal intervals on the rotating shaft. The drive motor is connected to the rotating shaft via chain drive. The rotating shaft is parallel to the upper platform 1 of the frame and parallel to the discharge end of the upper platform 1; the multiple driven rollers 4 are evenly distributed on the upper platform 1 of the frame, and the axis of all driven rollers 4 is parallel to the axis of the driving roller 3. The driving roller 3 and the driven roller 4 are rotatably mounted on the frame via bearings, and the top surface of all rollers is 10 to 30 mm higher than the upper platform of the frame; the top surface of all rollers is on the same horizontal plane, which is parallel to the upper platform 1 of the frame.

[0022] In use, the panel (wooden board) is placed flat on the driving roller 3 and the driven roller 4. In the first stage, when the power roller group pushes the panel to move, the guide rod 2 of the limiting frame rises to form a barrier, and the panel contacts the guide rod 2 during the pushing process to achieve end face flushing. In the second stage, when the power roller group pushes the panel to move, the limiting frame descends to below the top surface of the rollers, releasing the limit and allowing the panel to move to the next process flush.

[0023] According to one embodiment of this utility model, the upper platform 1 of the frame adopts a horizontally extending design, with the end defined as the discharge end. The length of the upper platform 1 is from the infeed end to the discharge end, and the length of the upper platform 1 can be 2000mm, 3000mm, or 4000mm, and the width can be 2500mm or 3500mm. The main body material of the frame can be Q235B carbon steel, formed by welding. During assembly, it must be ensured that the levelness error of the upper platform 1 is ≤0.5mm / m, and the edge of the discharge end needs to be chamfered (chamfer radius 1-2mm). During operation, the panel is placed on the roller assembly from the infeed end and moved along the horizontal platform to the discharge end. This structure provides a stable support plane for the panel, which helps to avoid displacement due to unevenness of the platform during transfer. The limiting frame includes 2-8 telescopic guide rods 2 (e.g., 2 or 3), the diameter of the guide rods 2 can be Φ25mm or Φ30mm, and the stroke range is 30-50mm (specifically set to 40mm). The guide rod 2 can be made of 45# steel with a chrome-plated surface (plating thickness 10-15μm). All guide rods 2 are parallel to each other and perpendicular to the edge of the discharge end of the upper platform 1, and are fixed to the frame by flange seats (installation verticality tolerance ≤0.1°). The bottom of the guide rod 2 is connected to a crossbar 10 (section 30×30mm), which is synchronously raised and lowered by a single hydraulically driven telescopic rod 11. In the first stage of operation, the guide rod 2 rises to form a retaining wall, and the panel contacts the guide rod 2 during pushing to achieve end face flushing; in the second stage, the guide rod 2 descends to below the top surface of the roller and the limit is released. The power roller assembly includes a 7.5kW drive motor (e.g., output speed 10-30r / min), a rotating shaft (Φ60mm×2500mm), and 6-10 active rollers 3 (preferably 8). The roller spacing can be set to 200mm, 250mm, or 300mm (must be equidistant). The rotating shaft can be made of 40Cr alloy steel and is mounted to the frame by a bearing seat, such as... Figure 2As shown, the center distance of the shaft of the drive roller 3 from the edge of the discharge end is 1 / 2 and 1 / 6 of the total length of the table surface. The motor drives the shaft through a double-row roller chain. The outer diameter of the drive roller 3 can be Φ120mm, covered with a 2mm thick rubber layer (Shore A hardness 70±5 degrees). During operation, the motor drives the roller to rotate via chain drive, pushing the panel to move. The number of driven rollers 4 can be 8-20 (e.g., 8 or 12), evenly distributed in the non-powered area of ​​the upper table surface 1. The parallelism tolerance between the roller axis and the drive roller 3 is ≤0.05mm, and the top surface is 15mm higher than the upper table surface (adjustable range ±5mm). The threaded lifting mechanism 7 includes a U-shaped bracket 8 and an adjusting nut 9. The driven rollers 4 are connected to the frame through the threaded lifting mechanism 7. Rotating the adjusting nut 9 can achieve a single roller height adjustment of ±3mm or a larger range of ±5mm. The rollers can be made of GCr15 bearing steel with an outer rubber layer (2.5mm thick, Shore A hardness 65±5). During operation, the driven roller 4 and the driving roller 3 together form a support surface. The adjustment mechanism keeps the top surfaces of all rollers coplanar (flatness ≤0.2mm) to ensure that the panel is moved without bumps.

[0024] According to another embodiment of this utility model, it also includes a hydraulic lifting platform, see [link to relevant documentation]. Figure 2As shown; the hydraulic lifting platform is installed at the bottom of the frame, and its extension stroke is 150 to 500 mm; the top of the lifting column 6 of the hydraulic lifting platform is fixedly connected to the bottom support plate 5 of the frame. The hydraulic lifting platform can be a four-column structure or a scissor type hydraulic lifting platform, with a single column load capacity ≥ 2 tons and a total stroke range of 150-500 mm. The diameter of the lifting column 6 can be Φ80 mm or Φ100 mm, and the material can be 45# steel forgings with a hard chrome plating treatment (thickness 20 μm). The cylinder seals can be made of nitrile rubber, with a working pressure range of 8-12 MPa. When using a four-column structure for assembly, mounting base plates (thickness 20 mm) need to be welded at the four corners of the bottom of the frame. The lifting platform base is fixed to the base plates with M20 high-strength bolts, and the top flange (200×200 mm) of the lifting column 6 is welded to the bottom support plate 5 of the frame. After installation, the overall levelness error of the machine must be ≤0.8 mm / m. During operation, the hydraulic station controls the valve group (three-position four-way directional valve) to drive the four lifting platforms synchronously. First, rotate the level to calibrate the machine platform, then gradually raise the lifting column 6 (speed 3-5mm / s). When connecting to different production line equipment, set the target position according to the height of the sander's feed inlet (e.g., 800mm, 850mm, 900mm). The travel limit of the lifting column 6 is controlled by both mechanical blocks and magnetic induction switches (block spacing is adjustable in 10mm). When the height difference of the production line equipment is 100-300mm, adjust the discharge end of the material transfer device to match the height of the sander's feed inlet using the lifting platform (tolerance ±2mm). The connection test uses a standard wooden board (2400×1200×18mm) to be continuously transferred 20 times, and the transition connection status is observed. Test indicators include the wooden board passing through a gap (maintaining 3-5mm) and no jamming or falling phenomenon. The hydraulic system is equipped with an emergency manual lowering device (rocker pump), which can achieve a slow descent of 0.8mm / s in the event of a power failure. This structure allows the material transfer device to adapt to production lines of different heights, reducing the need for ground modifications.

[0025] According to another embodiment of the present utility model, a fixed sleeve 12 is sleeved outside the telescopic guide rod 2. The fixed sleeve 12 is axially distributed along the guide rod 2 and is fixed to the machine frame. The inner diameter of the fixed sleeve 12 and the outer diameter of the telescopic guide rod 2 are in clearance fit, and the fit clearance is 0.1 to 0.3 mm. The fixed sleeve 12 can be a cylindrical structure with a wall thickness of 2 mm or 3 mm, and the inner diameter specification corresponding to the outer diameter of the guide rod 2 can be Φ25.1 mm or Φ30.1 mm (matched with the Φ25 mm / Φ30 mm guide rod 2). The length of the sleeve 12 can be 50 mm or 60 mm, and the material can be brass H62 or 304 stainless steel. The outer wall of the sleeve 12 is welded and fixed to the mounting plate (thickness 12 mm) at the edge of the discharge end of the table top 1 of the machine frame. The installation position needs to ensure that the perpendicularity tolerance between the axis of the sleeve 12 and the table top is ≤0.05°. Each telescopic guide rod 2 is independently equipped with a set of fixed sleeves 12, and the top of the sleeve 12 is 5 mm lower than the top surface of the roller when it is lower than the lowest position of the guide rod 2. The fit clearance between the sleeve 12 and the guide rod 2 is set to three specifications of 0.15 mm, 0.2 mm or 0.25 mm. During assembly, the red oil detection method is adopted: after applying red lead powder on the surface of the guide rod 2, it is inserted into the sleeve 12, and after rotation, it is pulled out and observed. If the contact area ≥85% is qualified. When the clearance increases to 0.35 mm after long-term use, the sleeve 12 needs to be replaced. The wear resistance test adopts a reciprocating motion experiment with a frequency of 1 Hz. After continuously lifting and lowering 10,000 times, the measured clearance increment ≤0.02 mm is up to standard. During the lifting and lowering of the guide rod 2 during the working process, the fixed sleeve 12 provides radial restraint. When the guide rod 2 is subjected to a lateral force (≤200 N) generated by the impact of the wooden board, the clearance fit between the sleeve 12 and the guide rod 2 can absorb a yaw angle within 0.2°. During the descending stage of the guide rod 2, an oil film lubricating layer is formed between the inner wall of the sleeve 12 and the outer surface of the guide rod 2 (the lubricating oil can be ISO VG32 hydraulic oil), and the friction coefficient is maintained within the range of 0.08 - 0.12. During regular maintenance, grease is injected through the oil nozzle (M8 specification) on the side of the sleeve 12. This structure enables the guide rod 2 to maintain a vertical movement trajectory and avoids the failure of the wooden board alignment caused by the inclination of the guide rod 2.

[0026] Although the embodiments of the present utility model have been disclosed as above, they are not limited to the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present utility model. For those familiar with the field, additional modifications can be easily achieved.

Claims

1. A material transfer device for panel cutting pretreatment, characterized in that, Includes a frame, a limit frame, a power roller assembly, and multiple driven rollers; The frame has a horizontally extending upper platform, the end of which is the discharge end; The limiting frame includes multiple telescopic guide rods, all of which are parallel to each other and perpendicular to each other at the edge of the discharge end of the upper table of the frame; The power roller assembly includes a drive motor, a rotating shaft, and multiple active rollers equally spaced on the rotating shaft. The drive motor is connected to the rotating shaft via chain drive. The rotating shaft is parallel to the upper surface of the frame and parallel to the discharge end of the upper surface; the multiple driven rollers are evenly distributed on the upper surface of the frame, and the axis of all driven rollers is parallel to the axis of the driving roller; The driving roller and the driven roller are rotatably mounted on the frame via bearings. The top surface of all rollers is 10 to 30 mm above the upper surface of the frame. The top surfaces of all rollers are on the same horizontal plane, which is parallel to the upper surface of the frame.

2. The material transfer device for panel pre-processing according to claim 1, characterized in that, It also includes a hydraulic lifting platform; the hydraulic lifting platform is installed at the bottom of the frame, and the extension stroke of the hydraulic lifting platform is 150 to 500 mm.

3. The material transfer device for panel pre-processing according to claim 1, characterized in that, The shaft of the power roller assembly is installed in the area between the middle of the upper platform of the frame and the discharge end; the distance between the center line of the shaft and the edge of the discharge end is 1 / 6 to 1 / 2 of the total length of the upper platform of the frame.

4. The material transfer device for panel pre-processing according to claim 1, characterized in that, The installation height of the driven roller is adjustable; each driven roller is connected to the frame via a threaded lifting mechanism; the adjustment range of the threaded lifting mechanism is ±5 mm.

5. The material transfer device for panel pre-processing according to claim 1, characterized in that, The bottom of the guide rod is connected to a crossbar, and the crossbar is driven by a hydraulically driven telescopic rod to make multiple guide rods rise and fall synchronously; the stroke of the hydraulically driven telescopic rod is 30 to 50 mm.

6. The material transfer device for panel pre-processing according to any one of claims 1-5, characterized in that, The outer circumferential surfaces of both the driving roller and the driven roller are covered with a rubber layer, the thickness of which is 2 to 5 millimeters.

7. The material transfer device for panel pre-processing according to claim 6, characterized in that, A fixed sleeve is fitted on the outer side of the telescopic guide rod. The fixed sleeve is distributed along the axial direction of the guide rod and fixed to the frame. The inner diameter of the fixed sleeve and the outer diameter of the telescopic guide rod are clearance-fitted, with a clearance of 0.1 to 0.3 mm.

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