Fixed-length cutting device for bamboo charcoal production
By adopting a sliding connection and lifting structure design for the fixed-length cutting device in bamboo charcoal production, the problem of low adjustment efficiency caused by the fixed spacing of the cutting blades in the existing device is solved. This enables fast and precise adjustment of the cutting blade spacing and control of the cutting depth, adapting to the processing needs of bamboo poles with different diameters.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HONGHONG IND & TRADE CO LTD
- Filing Date
- 2025-05-13
- Publication Date
- 2026-04-21
AI Technical Summary
The cutting blade spacing of existing bamboo charcoal production fixed-length cutting devices is fixed, requiring users to disassemble the drive structure for adjustment, resulting in low adjustment efficiency and being time-consuming and labor-intensive.
The cutting blades are slidably connected to the surface of the transmission rod. Combined with the lifting structure and the linkage design of the screw, guide rod and crank, the spacing between the cutting blades can be infinitely adjusted. The connecting frame is driven to rise and fall by the hydraulic rod to precisely control the cutting depth, and the spacing between the cutting blades can be manually adjusted by the rotary wheel.
It enables rapid, stepless adjustment of the cutting blade spacing, improving adjustment accuracy and efficiency, adapting to the processing needs of bamboo poles with different diameters, simplifying the operation process, and avoiding equipment damage and bamboo pole falling.
Smart Images

Figure CN224144923U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bamboo charcoal production technology, specifically a fixed-length cutting device for bamboo charcoal production. Background Technology
[0002] Bamboo charcoal is a porous carbon material made from bamboo through a high-temperature carbonization process. Due to its unique physical and chemical properties, bamboo charcoal is widely used in environmental protection, health, agriculture, and industry. The processing requires pre-processing by cutting the bamboo.
[0003] For example, patent application number 202122380124.5 published on the China Patent Network, entitled "A Fixed-Length Cutting Device for Bamboo Charcoal Production," includes a base, support frame, support rod, claws, magnetic blocks, V-shaped frames, and connecting frame. The support frame and support rod are connected to the top right and left sides of the base, respectively. Two claws are rotatably connected to the top of the support rod. Magnetic blocks are located on the facing sides of the bottom of each claw, attracting each other. A V-shaped frame is located on the bottom left side of each claw. The two claws and two V-shaped frames are symmetrically arranged. A connecting frame is connected to the top right side of the base. The two cutting blades on the cutting machine cut the bamboo to a fixed length, resulting in two bamboo tubes, thus improving the efficiency of bamboo cutting.
[0004] However, the existing cutting device has a relatively simple structure. The distance between the two oppositely positioned cutting blades is fixed, and users need to disassemble the entire drive structure to adjust the distance, which is time-consuming and laborious and affects the adjustment efficiency.
[0005] Therefore, it is necessary to redesign and modify the fixed-length cutting device used in bamboo charcoal production. Utility Model Content
[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a fixed-length cutting device for bamboo charcoal production, which has the advantage of easy adjustment of the fixed-length spacing. This solves the problem that the existing cutting device has a relatively simple structure, the spacing between the two oppositely arranged cutting blades is fixed, and the user needs to disassemble the entire drive structure to adjust the spacing, which is time-consuming, labor-intensive, and affects the adjustment efficiency.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a fixed-length cutting device for bamboo charcoal production, including a frame;
[0008] Bamboo poles placed on top of the stand;
[0009] The bottom of the platform is equipped with a connecting frame via a lifting structure. The inner side of the connecting frame is movably connected to a transmission rod via a bearing. One end of the connecting frame is fixedly connected to a transmission motor for driving the transmission rod to rotate. Both sides of the surface of the transmission rod are keyed with cutting blades. The top of the cutting blades penetrates the platform and cuts the bamboo poles. The cutting blades can slide and change their spacing on the surface of the transmission rod.
[0010] In a preferred embodiment of this invention, a support plate is fixedly connected to the front of the connecting frame. A screw is movably connected to the inside of the support plate via a bearing. A threaded sleeve is threaded onto the surface of the screw. Guide rods are fixedly connected to both sides of the support plate. A transmission block is sleeved on the surface of the guide rod. A linkage plate located on both sides of the cutting blade is fixedly connected to the back of the transmission block. The linkage plate and the cutting blade are movably connected via a bearing. A crank is movably connected to the surface of the transmission block via a pin. The side of the crank away from the transmission block extends to the bottom of the threaded sleeve and is movably connected to the threaded sleeve via a pin.
[0011] As a preferred embodiment of this utility model, the lifting structure includes hydraulic rods fixedly connected to both sides of the platform, and the output end of the hydraulic rods is fixedly connected to the bottom of the connecting frame.
[0012] In a preferred embodiment of this invention, the front end of the screw passes through the support plate and extends to the front side of the support plate, and a rotating wheel is fixedly connected to the front end of the screw.
[0013] As a preferred embodiment of this utility model, a movable block is sleeved on the surface of the transmission rod, and a lifting frame is fixedly connected to the top of the movable block, with the lifting frame sleeved on the bottom of the bamboo pole.
[0014] In a preferred embodiment of this invention, a sleeve plate is fixedly connected to one end of the movable block near the transmission rod, and a vertical plate located inside the sleeve plate is fixedly connected to the inside of the frame. A push rod located inside the sleeve plate is fixedly connected to the surface of the vertical plate, and the push rod and the sleeve plate are slidably connected.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] 1. This utility model achieves stepless adjustment of the cutting blade spacing by sliding the cutting blades onto the surface of the transmission rod and cooperating with the lifting structure. Users can quickly adjust the cutting length without disassembling the drive components, solving the problems of cumbersome adjustment and low efficiency of traditional fixed-spacing cutting devices. At the same time, the lifting structure ensures that the cutting depth can be flexibly adapted to the diameter of the bamboo pole.
[0017] 2. This utility model, through the linkage design of screw, guide rod and crank, enables the cutting blade to slide synchronously in the opposite direction along the transmission rod when the rotating wheel is rotated, ensuring the symmetrical adjustment of the distance between the two cutting blades. The mechanical transmission between the linkage plate and the transmission block avoids offset or jamming during the adjustment process, making the operation stable and reliable and significantly improving the adjustment accuracy.
[0018] 3. This utility model uses a hydraulic rod to drive the connecting frame to lift and lower, which can accurately control the cutting depth of the cutting blade, avoiding equipment damage due to excessive cutting or insufficient cutting affecting efficiency. The hydraulic system responds quickly, the lifting process is stable, and it can adapt to the processing needs of bamboo poles of different diameters.
[0019] 4. This utility model provides a manual adjustment entry through the rotating wheel at the front end of the screw. The operator can adjust the cutting blade spacing by rotating the rotating wheel, which is labor-saving and intuitive. The external design of the rotating wheel simplifies the operation process and eliminates the need for tools, further improving the convenience of adjustment.
[0020] 5. This utility model allows the movable block and the lifting frame to automatically move to the midpoint position according to the spacing of the cutting blades, which can catch the cut bamboo poles and prevent them from falling directly.
[0021] 6. This utility model forms an axial constraint on the movable block through the sliding connection between the sleeve plate and the push rod, preventing it from shifting due to vibration or load during the cutting process. At the same time, it can push the lifting frame to automatically flip and tilt during reset, improving the continuity of operation. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the structure of this utility model from below;
[0024] Figure 3 This is a schematic cross-sectional view of the present invention.
[0025] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.
[0026] In the diagram: 1. Platform; 2. Bamboo pole; 3. Connecting frame; 4. Transmission rod; 5. Transmission motor; 6. Cutting blade; 7. Support plate; 8. Screw; 9. Screw sleeve; 10. Guide rod; 11. Transmission block; 12. Linkage plate; 13. Crank; 14. Hydraulic rod; 15. Rotary wheel; 16. Movable block; 17. Lifting frame; 18. Sleeve plate; 19. Vertical plate; 20. Push rod. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] like Figures 1 to 4 As shown, the present invention provides a fixed-length cutting device for bamboo charcoal production, including a frame 1;
[0029] Bamboo pole 2 placed on top of stand 1;
[0030] A connecting frame 3 is installed at the bottom of the frame 1 via a lifting structure. A transmission rod 4 is movably connected to the inner side of the connecting frame 3 via a bearing. A transmission motor 5 for driving the transmission rod 4 to rotate is fixedly connected to one end of the connecting frame 3. Cutting blades 6 are keyed to both sides of the surface of the transmission rod 4. The top of the cutting blade 6 penetrates the frame 1 and cuts the bamboo pole 2. The cutting blade 6 can slide and change its spacing on the surface of the transmission rod 4.
[0031] refer to Figure 4 A support plate 7 is fixedly connected to the front of the connecting frame 3. A screw 8 is movably connected to the inside of the support plate 7 via a bearing. A threaded sleeve 9 is threadedly connected to the surface of the screw 8. Guide rods 10 are fixedly connected to both sides of the support plate 7. A transmission block 11 is sleeved on the surface of the guide rod 10. A linkage plate 12 located on both sides of the cutting blade 6 is fixedly connected to the back of the transmission block 11. The linkage plate 12 and the cutting blade 6 are movably connected via a bearing. A crank 13 is movably connected to the surface of the transmission block 11 via a pin. The side of the crank 13 away from the transmission block 11 extends to the bottom of the threaded sleeve 9 and is movably connected to the threaded sleeve 9 via a pin.
[0032] As a technical optimization of this utility model, the linkage design of screw 8, guide rod 10 and crank 13 enables the cutting blade 6 to slide synchronously in the opposite direction along the transmission rod 4 when the rotating wheel 15 is rotated, ensuring the symmetrical adjustment of the distance between the two cutting blades 6. The mechanical transmission between linkage plate 12 and transmission block 11 avoids offset or jamming during the adjustment process, making the operation process stable and reliable, and significantly improving the adjustment accuracy.
[0033] refer to Figure 1 The lifting structure includes hydraulic rods 14 fixedly connected to both sides of the platform 1, and the output end of the hydraulic rods 14 is fixedly connected to the bottom of the connecting frame 3.
[0034] As a technical optimization of this utility model, the hydraulic rod 14 drives the connecting frame 3 to lift and lower, which can accurately control the cutting depth of the cutting blade 6, avoid equipment damage due to excessive cutting or insufficient cutting affecting efficiency. The hydraulic system responds quickly, the lifting process is stable, and it can adapt to the processing needs of bamboo poles 2 with different diameters.
[0035] refer to Figure 4 The front end of the screw 8 passes through the support plate 7 and extends to the front side of the support plate 7. The front end of the screw 8 is fixedly connected to the rotating wheel 15.
[0036] As a technical optimization of this utility model, the rotary wheel 15 at the front end of the screw 8 provides a manual adjustment entry. The operator can adjust the spacing of the cutting blades 6 by rotating the rotary wheel 15, which is labor-saving and intuitive. The external design of the rotary wheel 15 simplifies the operation process and eliminates the need for tools, further improving the convenience of adjustment.
[0037] refer to Figure 3 A movable block 16 is fitted on the surface of the transmission rod 4, and a lifting frame 17 is fixedly connected to the top of the movable block 16. The lifting frame 17 is fitted on the bottom of the bamboo pole 2.
[0038] As a technical optimization of this utility model, the movable block 16 and the lifting frame 17 automatically move to the midpoint position according to the spacing of the cutting blades 6, which can catch the cut bamboo poles 2 and prevent the bamboo poles 2 from falling directly.
[0039] refer to Figure 3 The movable block 16 is fixedly connected to a sleeve plate 18 at one end near the transmission rod 4. The frame 1 is fixedly connected to a vertical plate 19 located inside the sleeve plate 18. The surface of the vertical plate 19 is fixedly connected to a push rod 20 located inside the sleeve plate 18. The push rod 20 and the sleeve plate 18 are slidably connected.
[0040] As a technical optimization of this utility model, the sliding connection between the sleeve plate 18 and the push rod 20 forms an axial constraint on the movable block 16, preventing it from shifting due to vibration or load during the cutting process. At the same time, it can push the lifting frame 17 to automatically flip and tilt during reset, improving the continuity of operation.
[0041] The working principle and usage process of this utility model are as follows: The operator rotates the rotating wheel 15 according to the required bamboo section length, driving the screw 8 to rotate, which in turn drives the screw sleeve 9 to move axially along the screw 8. The movement of the screw sleeve 9 pushes the transmission block 11 to slide along the guide rod 10 through the crank 13. The linkage plates 12 on both sides of the transmission block 11 then drive the two cutting blades 6 to slide synchronously in opposite directions on the transmission rod 4 until the distance between them is adjusted to the target length. At the same time, the action of the linkage mechanism drives the movable block 16 to slide along the transmission rod 4, so that the lifting frame 17 is automatically positioned at the midpoint between the two cutting blades 6, ensuring the accuracy of the cutting length when the bamboo pole 2 is pushed forward. After the cutting blades 6 are adjusted, the hydraulic rod 14 is activated to adjust the lifting height of the connecting frame 3, so that the cutting blades 6 rise to the same height as the diameter of the bamboo pole 2. The matching cutting position is then determined, and the bamboo pole 2 is placed horizontally on the top of the frame 1 with its end against the support frame 17, ensuring that the section to be cut is aligned with the cutting blade 6. The drive motor 5 is started, driving the drive rod 4 to rotate the cutting blade 6 at high speed. The hydraulic rod 14 is finely adjusted and raised, so that the cutting blade 6 cuts into the bamboo pole 2, completing a fixed-length cut. When the drive rod 4 rises, it can carry the support frame 17 to move synchronously. The support frame 17 catches the bamboo pole 2 that falls after cutting, preventing the bamboo pole 2 from falling directly. When the drive rod 4 carries the support frame 17 down, the sleeve plate 18 on the surface of the support frame 17 is pulled by the push rod 20 on the surface of the frame 1 and flips around the drive rod 4 as the axis. After flipping and tilting, the support frame 17 lowers its height and tilts the top bamboo pole 2 out of the working area.
[0042] In summary, this fixed-length cutting device for bamboo charcoal production achieves stepless adjustment of the spacing between the cutting blades 6 by sliding the cutting blades 6 onto the surface of the transmission rod 4 and using a lifting structure. Users can quickly adjust the cutting length without disassembling the drive components, solving the problems of cumbersome adjustment and low efficiency of traditional fixed-spacing cutting devices. At the same time, the lifting structure ensures that the cutting depth can be flexibly adapted to the diameter of the bamboo pole 2.
[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fixed-length cutting device for bamboo charcoal production, comprising a frame (1); Bamboo pole (2) placed on top of the stand (1); characterized in that The bottom of the frame (1) is equipped with a connecting frame (3) through a lifting structure. The inner side of the connecting frame (3) is movably connected to a transmission rod (4) through a bearing. One end of the connecting frame (3) is fixedly connected to a transmission motor (5) for driving the transmission rod (4) to rotate. Both sides of the surface of the transmission rod (4) are keyed with cutting blades (6). The top of the cutting blades (6) penetrates the frame (1) and cuts the bamboo pole (2). The cutting blades (6) can slide and change the spacing on the surface of the transmission rod (4).
2. The fixed-length cutting device for bamboo charcoal production according to claim 1, characterized in that: A support plate (7) is fixedly connected to the front of the connecting frame (3). A screw (8) is movably connected to the inside of the support plate (7) through a bearing. A threaded sleeve (9) is threaded onto the surface of the screw (8). Guide rods (10) are fixedly connected to both sides of the support plate (7). A transmission block (11) is sleeved on the surface of the guide rod (10). A linkage plate (12) located on both sides of the cutting blade (6) is fixedly connected to the back of the transmission block (11). The linkage plate (12) is movably connected to the cutting blade (6) through a bearing. A crank (13) is movably connected to the surface of the transmission block (11) through a pin. The side of the crank (13) away from the transmission block (11) extends to the bottom of the threaded sleeve (9) and is movably connected to the threaded sleeve (9) through a pin.
3. The fixed-length cutting device for bamboo charcoal production according to claim 1, characterized in that: The lifting structure includes hydraulic rods (14) fixedly connected to both sides of the platform (1), and the output end of the hydraulic rods (14) is fixedly connected to the bottom of the connecting frame (3).
4. The fixed-length cutting device for bamboo charcoal production according to claim 2, characterized in that: The front end of the screw (8) passes through the support plate (7) and extends to the front side of the support plate (7). A rotating wheel (15) is fixedly connected to the front end of the screw (8).
5. The fixed-length cutting device for bamboo charcoal production according to claim 1, characterized in that: The surface of the transmission rod (4) is fitted with a movable block (16), and a lifting frame (17) is fixedly connected to the top of the movable block (16). The lifting frame (17) is fitted onto the bottom of the bamboo pole (2).
6. The fixed-length cutting device for bamboo charcoal production according to claim 5, characterized in that: The movable block (16) is fixedly connected to a sleeve plate (18) at one end near the transmission rod (4). The frame (1) is fixedly connected to a vertical plate (19) located inside the sleeve plate (18). The surface of the vertical plate (19) is fixedly connected to a push rod (20) located inside the sleeve plate (18). The push rod (20) and the sleeve plate (18) are slidably connected.
Citation Information
Patent Citations
Bamboo fixed-length cutting device for bamboo charcoal production
CN216181378U