A bamboo sawing device

Abstract

This utility model provides a bamboo sawing device, including a support frame. The upper surfaces of the front and rear support rods of the support frame are provided with guide support members for guiding and supporting bamboo. A multi-section telescopic cylinder is embedded in the middle of the front support rod of the support frame. A pushing block is provided at the end of the telescopic rod of the multi-section telescopic cylinder. A U-shaped pushing seat is provided on the upper surface of the pushing block. A pressing and limiting member for pressing and limiting the bamboo is provided on the U-shaped pushing seat. Scales are provided on both the left and right sides of the support frame. This utility model can realize automated pushing and adapt to sawing bamboo of different diameters.

Description

Technical Field

[0001] This utility model relates to the technical field of bamboo processing equipment, and in particular to a bamboo sawing device. Background Technology

[0002] Bamboo, as a fast-growing, environmentally friendly, and sustainable natural material, has wide applications in various fields such as construction, furniture, handicrafts, and daily life. In the production and processing of bamboo products, cutting raw bamboo to predetermined dimensions is a fundamental and crucial step. Currently, the fixed-length sawing of raw bamboo, especially in small and medium-sized processing plants or workshops, still relies heavily on manual labor. Operators place the bamboo on a simple support frame, measure and mark the length using a tape measure or visual inspection, and then cut it using a handheld circular saw or table saw. This traditional manual method has many drawbacks: First, it is inefficient, requiring repeated measurement, alignment, and cutting for each section, resulting in high labor intensity; second, cutting accuracy is difficult to guarantee, as reliance on visual inspection and manual positioning easily leads to cumulative errors, resulting in inconsistent bamboo lengths and affecting subsequent processing quality and product consistency; third, it poses a safety risk, as operators' hands need to be close to the saw blade for feeding and positioning, creating a high risk of workplace injury. Furthermore, bamboo is prone to rolling or shifting during the cutting process, affecting not only the flatness of the cut surface but also increasing the operational risks. To improve the automation and safety of bamboo sawing operations, some semi-automatic or automatic bamboo sawing equipment has emerged on the market. These devices typically employ mechanical clamping and motor-driven feeding. However, existing equipment still has some shortcomings: for example, its feeding mechanism may be complex and costly, or it may not be adaptable to bamboo of different diameters, resulting in unstable clamping; during feeding, the lack of effective guiding and pressing measures may cause the bamboo to deviate midway, affecting the length accuracy; at the same time, the equipment may not integrate a convenient length calibration system, making the operation of adjusting the cutting size less intuitive and convenient. In particular, during the bamboo pushing process, the lack of an effective guiding support structure can easily cause the bamboo to deviate from the predetermined trajectory; existing pressing devices often cannot adaptively adjust according to the bamboo diameter, affecting the fixing effect; the structural design of the pushing mechanism also has room for optimization, requiring improved adaptability to bamboo of different specifications. Summary of the Invention

[0003] In view of this, the purpose of this utility model is to provide a bamboo sawing device that can achieve automated pushing and adapt to the sawing of bamboo of different diameters.

[0004] This utility model is implemented by the following method: a bamboo sawing device, including a support frame, the upper surface of the front and rear support rods of the support frame is provided with guide support members for guiding and supporting bamboo, the middle of the front support rod of the support frame is embedded with a multi-section telescopic cylinder, the end of the telescopic rod of the multi-section telescopic cylinder is provided with a push block, the upper surface of the push block is provided with a U-shaped push seat, the U-shaped push seat is provided with a pressing limit member for pressing and limiting bamboo, and the left and right sides of the support frame are provided with scales.

[0005] Furthermore, the lower surface of the U-shaped pusher has downward extending guide blocks at both ends.

[0006] Furthermore, the guide support includes a guide roller, and support blocks are provided at both ends of the upper surface of the front and rear support rods of the support frame, with the guide roller rotatably mounted between the support blocks at the left and right ends via bearings.

[0007] Furthermore, the pressing and limiting component includes an arc-shaped pressing plate, and both vertical plates of the U-shaped pusher seat have strip-shaped openings. A screw is spirally arranged inside the strip-shaped opening, and a rotating block is arranged at the upper end of the screw. A moving block is spirally sleeved on the screw, and a lifting plate is arranged between the moving blocks at the left and right ends. A telescopic cylinder is embedded in the middle of the lifting plate, and the arc-shaped pressing plate is arranged at the end of the telescopic rod of the telescopic cylinder.

[0008] Furthermore, an arc-shaped placement groove is provided on the upper surface of the horizontal plate of the U-shaped pusher.

[0009] The beneficial effects of this utility model are as follows: This utility model guides and supports the bamboo through a guide support component, and the multi-section telescopic cylinder drives the push block to drive the U-shaped push seat to realize the automatic push of the bamboo. The pressing and limiting component adaptively presses the bamboo during the push process. Combined with the scale on the side of the support frame, it realizes precise length adjustment. It has the advantages of improving cutting accuracy, realizing automated push, adapting to bamboo of different diameters, and improving operational safety. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 This is a schematic diagram showing the usage state of this utility model. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Please see Figure 1 and Figure 2As shown, this utility model provides an embodiment: a bamboo sawing device, including a support frame 1. The upper surface of the front and rear support rods of the support frame 1 is provided with guide support members 2 for guiding and supporting bamboo. A multi-section telescopic cylinder 3 is embedded in the middle of the front support rod of the support frame 1. A push block 4 is provided at the end of the telescopic rod of the multi-section telescopic cylinder 3. A U-shaped push seat 5 is provided on the upper surface of the push block 4. A pressing and limiting member 6 for pressing and limiting bamboo is provided on the U-shaped push seat 5. Scales 11 are provided on both the left and right sides of the support frame 1.

[0014] Among them, the guide support component refers to the rolling support structure set at the front and rear ends of the support frame. Specifically, it can be achieved by using support blocks in conjunction with guide rollers. The support blocks are connected by bearings to form a rolling contact surface, which effectively reduces the frictional resistance when the bamboo moves.

[0015] A multi-section telescopic cylinder refers to a linear drive device with multiple stroke stages. Specifically, it can be implemented using a sleeve cylinder structure, achieving different lengths of pushing stroke through staged telescopic extension.

[0016] U-shaped pusher refers to a load-bearing component with a U-shaped cross-section. Specifically, it can be formed by bending steel plates, and an arc-shaped placement groove can be opened on the upper surface of its horizontal plate to adapt to the curved contour of bamboo materials of different diameters.

[0017] The pressing limit component refers to an adjustable clamping mechanism, which can be implemented by using a screw-driven lifting plate in conjunction with an arc-shaped pressing plate. The pressing force is controlled by adjusting the height of the screw through a rotating block.

[0018] The scale is a measurement mark that indicates the cutting length. It can be formed by laser etching or mechanical stamping and is distributed longitudinally along the side of the support frame to visually display the pushing distance.

[0019] Specifically, the support frame forms the basic load-bearing structure, and the guide supports on the front and rear support rods form a continuous rolling support surface to ensure the straightness of the bamboo's axial movement. After the multi-section telescopic cylinder in the middle of the front support rod is activated, the pushing block drives the U-shaped pushing seat to advance the bamboo to the predetermined position along the guide rail. The pressing and limiting component presses down and fixes the bamboo after it is in place to prevent displacement during cutting. The scale markings on the side correspond to the position of the pushing block, and the cutting length can be quickly set by observing the scale values. During the pushing process, the guide supports continuously provide rolling support, and the arc contour of the U-shaped pushing seat conforms to the surface of the bamboo, forming a three-point positioning system with the adjustable pressing and limiting component.

[0020] Compared to existing technologies, this device replaces the traditional manual positioning method by integrating a guiding support and a mechanical pushing system. Compared to complex pneumatic clamping mechanisms, the combination design of a U-shaped pushing seat and a pressing and limiting component significantly simplifies the structure while ensuring positioning accuracy. The intuitive calibration method of the scale system makes it easier to adjust quickly than traditional tape measure measurements, and the multi-section telescopic cylinder's graded stroke design provides better length adaptability than ordinary cylinders.

[0021] Through the above technical solution, this application achieves automatic length-determined pushing and reliable fixing of bamboo, effectively eliminating positioning errors caused by manual operation. The guiding support system ensures the straightness of the bamboo's movement trajectory, the pressing and limiting mechanism prevents material deviation during the cutting process, and the scale system improves the accuracy and efficiency of length setting. The overall structure balances functionality and economy, making it particularly suitable for small to medium batch bamboo processing scenarios.

[0022] Please continue reading. Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the lower surface of the horizontal plate of the U-shaped pusher 5 has extension guide blocks 51 extending downward at both the left and right ends.

[0023] The extended guide block refers to the protruding structure fixed to both sides of the bottom of the U-shaped pusher seat's horizontal plate. It can be made of metal or engineering plastic blocks and fixed with bolts. Its longitudinal cross-sectional shape can be rectangular or trapezoidal. This structure forms a sliding fit with the guide rail of the support frame during the pushing process, thus limiting the horizontal displacement of the U-shaped pusher seat.

[0024] Specifically, when the multi-section telescopic cylinder drives the U-shaped pusher to move back and forth along the support frame, the extended guide block maintains contact with the pre-set guide groove or guide rail on the support frame. During the pushing process, the extended guide block generates sliding friction through continuous contact with the side wall of the guide groove, thereby offsetting the lateral force generated by the cylinder thrust on the pusher block and preventing the U-shaped pusher from shifting left or right during the pushing of the bamboo. This structure ensures that the axis of the bamboo remains perpendicular to the sawing direction, guaranteeing a smooth cut surface.

[0025] Compared to existing technologies, traditional bamboo sawing equipment relies solely on the cylinder itself for guidance, which can easily lead to lateral deviation when pushing long bamboo stalks due to uneven force. This solution adds an extended guide block to the bottom of the U-shaped pusher seat, forming a dual-point contact guiding mechanism. This improves the accuracy of the straightness control of the pushing trajectory, making it particularly suitable for pushing bamboo stalks with significant diameter differences.

[0026] Through the above technical solution, this application effectively solves the problem of cutting surface tilting caused by bamboo axis displacement during the pushing process, avoids repeated positioning operations caused by bamboo position displacement, and reduces the probability of wear between the pushing mechanism and the support frame.

[0027] Please continue reading. Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the guide support 2 includes a guide roller 21, and support blocks 22 are provided at both ends of the upper surface of the front and rear support rods of the support frame 1. The guide roller 21 is rotatably arranged between the support blocks 22 at the left and right ends via bearings.

[0028] The guide roller is a cylindrical, rotatable component, typically made of smooth-surfaced metal or composite material. Its axis is perpendicular to the bamboo conveying direction, serving to support the bamboo and reduce sliding friction. The support block is a supporting structure fixed to the support rod, typically made of welded or bolted metal blocks, providing a mounting base for the bearings. The bearing is a rotating mechanical component, typically made of deep groove ball bearings or needle roller bearings, used to reduce frictional resistance during guide roller rotation.

[0029] Specifically, support blocks are installed on the left and right sides of the support rods at both ends of the support frame, and guide rollers are assembled between the two support blocks via bearings. When the bamboo is pushed, its bottom contacts the guide rollers. Driven by the pushing force, the guide rollers rotate freely as the bamboo moves, thus converting sliding friction into rolling friction. This structure ensures that the bamboo maintains a straight trajectory during transport, avoiding deviation or jamming caused by frictional resistance.

[0030] Compared to existing technologies, the simple support frames used in traditional manual operations lack effective guiding mechanisms, making the bamboo prone to rolling due to uneven surfaces or uneven stress. This solution, by setting rotatable guide rollers in conjunction with a rigid support structure of support blocks and bearings, forms a stable rolling guiding interface, significantly reducing the risk of lateral deviation during bamboo transport and minimizing the frequency of manual adjustments.

[0031] Through the above technical solution, this application can effectively solve the positioning deviation problem caused by friction during bamboo conveying, ensuring the consistency of cutting length. The rolling characteristics of the guide rollers allow bamboo of different diameters to move smoothly, avoiding surface scratches or jamming, improving processing efficiency while reducing operational safety hazards.

[0032] Please continue reading. Figure 1 and Figure 2As shown, in one embodiment of this utility model, the pressing and limiting member 6 includes an arc-shaped pressing plate 61. Both vertical plates of the U-shaped pusher seat 5 are provided with strip-shaped openings 62. A screw 63 is spirally arranged inside the strip-shaped opening 62. A rotating block 64 is provided at the upper end of the screw 63. A moving block 65 is spirally sleeved on the screw 63. A lifting plate 66 is provided between the moving blocks 65 at the left and right ends. A telescopic cylinder 67 is embedded in the middle of the lifting plate 66. The arc-shaped pressing plate 61 is provided at the end of the telescopic rod of the telescopic cylinder 67.

[0033] The curved pressing plate refers to a curved metal component that matches the curvature of the bamboo's outer surface. Specifically, it can be made of stamped 304 stainless steel sheet, and its curvature range can accommodate bamboo materials with a diameter of 20-100 mm. This structure achieves multi-point uniform pressure through line contact with the bamboo surface.

[0034] The strip-shaped opening refers to a rectangular through-slot opened longitudinally along the vertical plate of the U-shaped pusher seat. It can be formed by laser cutting, and its length direction is parallel to the bamboo axis. This opening provides vertical movement space for the moving block.

[0035] The screw refers to a metal rod with external threads, specifically an M12 trapezoidal threaded steel bar, which converts rotational motion into linear motion through the threaded joint. This structure is used to adjust the height of the lifting plate.

[0036] The moving block refers to a sliding component with an internally threaded hole. Specifically, it can be a combination of a copper-based graphite inlaid nut and an aluminum alloy base, with the threaded hole and the screw forming a helical pair. This component converts the rotational motion of the screw into its own vertical displacement. The lifting plate refers to the transverse support plate connecting the left and right moving blocks. Specifically, it can be made of 6mm thick Q235 steel plate, cut and formed, with both ends fixed to the moving blocks by bolts. This structure enables the left and right moving blocks to move synchronously.

[0037] Specifically, when the pressing position needs to be adjusted, the rotating block is manually rotated, causing the screw to rotate. The moving block moves vertically along the strip opening under the drive of the screw, and the lifting plate then drives the telescopic cylinder to rise and fall as a whole. After the telescopic cylinder is activated, its telescopic rod pushes the arc-shaped pressing plate downward, so that the arc surface fits against the surface of the bamboo. During the process of pushing the bamboo, the pressing plate continuously applies vertical pressure to prevent it from shifting, while the arc structure avoids local stress concentration that could damage the surface of the bamboo.

[0038] Compared to existing technologies, traditional fixed pressing plates cannot adapt to the pressing needs of bamboo of different diameters. This solution, however, achieves stepless adjustment of the pressing height through a screw adjustment mechanism. Conventional equipment using single-point pressing is prone to causing the bamboo to roll. This solution uses an arc-shaped contact surface in conjunction with a synchronous lifting mechanism to form a stable three-point constraint. Common equipment on the market requires external tools to adjust the pressing position; this solution achieves quick manual adjustment through a rotating block.

[0039] Through the above technical solution, this application can quickly adjust the pressing height according to the diameter of the bamboo, ensuring that bamboo of different specifications is effectively fixed. The arc-shaped pressing plate forms surface contact with the bamboo surface, preventing the bamboo from rolling or shifting during the cutting process. The screw adjustment mechanism allows operators to complete the height adjustment without tools, significantly improving the adaptability of the equipment. The linkage design of the lifting plate and the moving block ensures a balanced distribution of left and right pressing force, effectively improving the flatness of the cut surface.

[0040] Please continue reading. Figure 1 and Figure 2 As shown, in one embodiment of the present invention, an arc-shaped placement groove 52 is provided on the upper surface of the horizontal plate of the U-shaped pusher seat 5.

[0041] The arc-shaped placement groove refers to a recessed structure extending laterally along the U-shaped pusher seat. Specifically, it can be formed into a semi-circular arc cross-section using machining or casting processes, with a radius of curvature adaptable to the diameter range of common bamboo materials. This structure increases the contact area with the bamboo through arc-shaped contact, creating a three-point positioning effect.

[0042] Specifically, when the bamboo is pushed into the U-shaped pusher seat, its bottom is accommodated in the arc-shaped placement groove, and the arc surface forms continuous contact with the outer wall of the bamboo. During the pushing process, the bamboo generates friction with the arc surface due to its own weight, while the two edges of the arc surface exert lateral restraint on the bamboo, effectively preventing the bamboo from shifting axially or rolling circumferentially during the pushing process.

[0043] Compared to existing technologies, traditional equipment often uses flat support plates or simple V-groove structures, which can only achieve single or two-point contact and cannot completely restrict the rolling of bamboo. In contrast, the arc-shaped placement groove forms a wrapping support through a continuous arc surface, maintaining the consistency between the bamboo axis and the pushing direction during the pushing process. This is especially suitable for bamboo processing scenarios where there are natural differences in diameter.

[0044] Through the above technical solution, this application solves the technical problem of bamboo displacement during the pushing process, effectively controlling the positioning accuracy of the bamboo before cutting and reducing the perpendicularity deviation of the cutting surface. At the same time, it reduces the frequency of manual intervention during operation and improves the consistency of bamboo segment length during continuous operation.

[0045] The telescopic cylinder and the multi-section telescopic cylinder in this utility model are both existing technologies, which are already clearly understood by those skilled in the art, and will not be described in detail here.

[0046] The above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.

Claims

1. A bamboo sawing device, characterized in that: The support frame includes a support frame with guide support members on the upper surfaces of the front and rear support rods for guiding and supporting bamboo. A multi-section telescopic cylinder is embedded in the middle of the front support rod of the support frame. A push block is provided at the end of the telescopic rod of the multi-section telescopic cylinder. A U-shaped push seat is provided on the upper surface of the push block. A pressing and limiting member for pressing and limiting the bamboo is provided on the U-shaped push seat. Scales are provided on both the left and right sides of the support frame.

2. The bamboo sawing device according to claim 1, characterized in that: The lower surface of the U-shaped pusher has extension guide blocks extending downwards at both ends of the horizontal plate.

3. The bamboo sawing device according to claim 1, characterized in that: The guide support includes a guide roller. Support blocks are provided at both ends of the upper surface of the front and rear support rods of the support frame. The guide roller is rotatably arranged between the support blocks at the left and right ends via bearings.

4. A bamboo sawing device according to claim 1, characterized in that: The pressing and limiting component includes an arc-shaped pressing plate. Both vertical plates of the U-shaped pusher seat have strip-shaped openings. A screw is spirally arranged inside the strip-shaped opening. A rotating block is arranged at the upper end of the screw. A moving block is spirally sleeved on the screw. A lifting plate is arranged between the moving blocks at the left and right ends. A telescopic cylinder is embedded in the middle of the lifting plate. The arc-shaped pressing plate is arranged at the end of the telescopic rod of the telescopic cylinder.

5. A bamboo sawing device according to claim 1, characterized in that: The upper surface of the horizontal plate of the U-shaped pusher seat is provided with an arc-shaped placement groove.

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