Bamboo section cutting device

Abstract

The invention relates to the technical field of bamboos, and discloses a bamboo sectioning device which comprises a mounting base and a bamboo body, a workbench is arranged above the mounting base, the bamboo body is placed on the workbench, the bamboo body comprises a plurality of bamboo joints, a cutting assembly is further arranged above the workbench, and a driving assembly is further arranged on the workbench; and a first laminating plate and a second laminating plate which are symmetrical to each other are further arranged above the workbench, notches are formed in the bottoms of the first laminating plate and the second laminating plate, and rollers are rotationally arranged in inner cavities of the notches. According to the device, the roller is attached to bamboo through the driving assembly and can move horizontally, the position of a bamboo joint can be judged, and mistaken cutting is avoided; after the balls make contact with the bamboos, the cutting assembly can be driven to deviate and adjust along with downward movement of the circular mounting cylinder, and precise cutting is guaranteed; the driving assembly is in linkage with the rollers, the balls and the cutting assembly, operation is simplified, efficiency is improved, the problems that traditional bamboo cutting is difficult in positioning and low in efficiency are effectively solved, and the bamboo processing requirement is met.

Description

Technical Field

[0001] This invention belongs to the field of bamboo technology, specifically, it relates to a bamboo cutting device. Background Technology

[0002] As a globally important renewable resource, bamboo, with its significant advantages such as short growth cycle, strong carbon sequestration capacity, and high strength-to-weight ratio, has become a core material in the strategies of "replacing plastics with bamboo" and "replacing wood with bamboo," and is widely used in furniture manufacturing, construction engineering, packaging materials, and other fields. In the entire bamboo processing industry chain, the fixed-length segmentation in the initial processing stage is a key process that determines the quality of subsequent products and the resource utilization rate. Its precision directly affects the efficiency of deep processing of bamboo and the qualification rate of finished products.

[0003] Most existing equipment uses fixed blades and simple conveyor structures, which cannot adapt to the natural characteristics of bamboo, such as uneven thickness, curvature, and irregular distribution of bamboo nodes. Specifically, bamboo node identification is lacking. For example, existing fixed-length cutting machines generally cannot accurately identify the position of bamboo nodes, and bamboo nodes are easily touched during sawing, causing bamboo segments to break and resulting in a high defect rate.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] To address the shortcomings of existing equipment, which uses fixed blades and simple conveyor structures, making it unsuitable for the natural characteristics of bamboo, such as uneven thickness, curvature, and irregular node distribution, this invention addresses the following issues: First, it lacks the ability to identify bamboo nodes. For example, existing fixed-length cutting machines generally cannot accurately identify the location of bamboo nodes, easily causing them to break during sawing, resulting in a high defect rate. The basic concept of the technical solution adopted in this invention is as follows: A bamboo cutting device includes a mounting base and a bamboo body. A worktable is provided above the mounting base, and the bamboo body, comprising multiple bamboo segments, is placed on the worktable. A cutting component and a driving component are also provided above the worktable. Two symmetrical first and second bonding plates are also provided above the worktable. Each of the first and second bonding plates has a groove at its bottom, and a roller is rotatably mounted inside the groove. A circular mounting cylinder is also provided above the worktable, and a connecting rod is inserted into the inner cavity of the circular mounting cylinder. A ball bearing is provided at the end of the connecting rod away from the circular mounting cylinder. The driving component drives the roller and the ball bearing to move vertically downward. The roller is located below the ball bearing. When the roller is in contact with the bamboo body, it can move horizontally on the bamboo body. When the ball bearing is in contact with the bamboo body, it can move vertically and drive the cutting component to deflect.

[0006] In a preferred embodiment of the present invention, a placement plate and an inclined plate are provided above the workbench. A positioning slot is provided through the placement plate, and a flip plate is rotatably provided inside the positioning slot. Four support rods are also provided above the workbench, and a top plate is provided above the four support rods.

[0007] In a preferred embodiment of the present invention, two rotating plates are respectively provided with rotating shafts on their side walls, and four rotating shafts are each provided with mounting bearings, which are located on the inner wall of the positioning slot. A second torsion spring is sleeved on each rotating shaft, and the two ends of each second torsion spring are respectively located on the side wall opposite to the mounting bearing and the rotating plate.

[0008] In a preferred embodiment of the present invention, the driving assembly includes a hydraulic cylinder disposed below the top plate. A sliding plate is provided at the output end of the hydraulic cylinder. The sliding plate slides through the support rod around its perimeter. A movable groove is provided at the bottom of the sliding plate. A movable slider is slidably disposed in the inner cavity of the movable groove. A first concave plate is provided at the bottom of the movable slider.

[0009] In a preferred embodiment of the present invention, C-shaped connecting rods are respectively provided on the opposite side walls of the first concave plate, and two mutually symmetrical fixing plates are respectively provided in the middle of the C-shaped connecting rods. The four fixing plates are symmetrical to each other in pairs. Bearings are provided on the opposite side walls of the four fixing plates in pairs. Rotating rods are provided between the four bearings in pairs. A swing arm is provided at one end of the opposite side of the four rotating rods in pairs. A first torsion spring is sleeved on each rotating rod. The two ends of each first torsion spring are respectively provided on the opposite side walls of the bearing and the swing arm. The other ends of the two swing arms are respectively movably mounted on the first bonding plate and the second bonding plate.

[0010] In a preferred embodiment of the present invention, a concave connecting rod is provided on one side wall of the first concave plate, and two wedge blocks are respectively provided on the bottom side wall of the concave connecting rod, the two wedge blocks being symmetrical to each other.

[0011] In a preferred embodiment of the present invention, guide grooves are provided at the bottom of both wedge blocks, and guide sliders are slidably arranged in the inner cavities of both guide grooves. A shaped plate is provided at one end of each guide slider away from the guide groove. A circular mounting cylinder is provided at the bottom of the shaped plate. Two shaped rods are provided on the side wall of the circular mounting cylinder. The two shaped rods are symmetrical to each other, and the other end of the shaped rods is provided on the C-shaped connecting plate.

[0012] In a preferred embodiment of the present invention, a circular movable plate is slidably disposed in the inner cavity of the circular mounting cylinder, and a connecting rod is disposed above the circular movable plate. The connecting rod movably passes through the circular mounting cylinder, and one end of the connecting rod away from the circular movable plate is disposed on the irregular plate. A return spring is sleeved on the connecting rod in the inner cavity of the circular mounting cylinder, and the two ends of the return spring are respectively disposed on the side wall opposite to the inner cavity of the circular mounting cylinder and the circular movable plate.

[0013] In a preferred embodiment of the present invention, a connecting rod is provided on the side wall of the circular movable plate away from the connecting rod, and the connecting rod movably passes through the circular mounting cylinder.

[0014] In a preferred embodiment of the present invention, the cutting assembly is slidably disposed on the first concave plate, and an electric push rod is disposed above the cutting assembly, with the other end of the electric push rod disposed on the cutting assembly.

[0015] Compared with the prior art, the present invention has the following advantages: This invention enables the roller to move horizontally against the bamboo via a drive component, allowing for the determination of bamboo node positions and preventing accidental cutting. After the ball bearing contacts the bamboo, it moves downward with the circular mounting cylinder, causing the cutting component to shift and adjust, ensuring precise cutting. The drive component links the roller, ball bearing, and cutting component, simplifying operation and improving efficiency. It effectively solves the problems of difficult positioning and low efficiency in traditional bamboo cutting, adapting to bamboo processing needs. At the same time, it also prevents the cutting component 14 from cutting the bamboo nodes 131 on the bamboo body 13 when cutting the bamboo body 13, thus preventing a reduction in the lifespan of the cutting component 14.

[0016] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0017] In the attached diagram: Figure 1 A three-dimensional structural diagram of a bamboo cutting device; Figure 2 This is a side view of a bamboo cutting device. Figure 3 A schematic diagram of the structure above the workbench of a bamboo cutting device; Figure 4 A partial (a) structural schematic diagram of a bamboo cutting device; Figure 5 A partial bottom view (a) of the structure of a bamboo cutting device; Figure 6 A partial bottom view (II) of the structure of a bamboo cutting device; Figure 7 A bamboo cutting device Figure 7Enlarged structural diagram at point A in the middle; Figure 8 This is a partial (II) structural schematic diagram of a bamboo cutting device; Figure 9 A bamboo cutting device Figure 8 Enlarged structural diagram at point B; Figure 10 A partial bottom view (III) of a bamboo cutting device; Figure 11 A bamboo cutting device Figure 10 Enlarged structural diagram at point C; Figure 12 This is a schematic diagram of the flip-plate structure of a bamboo cutting device.

[0018] In the picture: 1. Mounting base; 11. Workbench; 111. Placement plate; 112. Flipping plate; 113. Inclined plate; 12. Support rod; 121. Top plate; 122. Sliding plate; 123. Hydraulic cylinder; 124. Moving slide; 125. Moving slider; 126. Rotating shaft; 127. Mounting bearing; 128. Second torsion spring; 13. Bamboo body; 131. Bamboo joint; 14. Cutting assembly; 15. Electric push rod; 2. First concave plate; 21. C-shaped connecting rod; 211. Fixing plate; 212. Bearing; 213. Rotating rod; 214. First torsion spring; 215. Swing arm; 22. First bonding plate; 221. Second bonding plate; 23. Roller; 31. Concave connecting rod; 32. Wedge block; 321. Guide groove; 322. Guide slider; 33. Irregularly shaped plate; 34. Circular mounting cylinder; 341. Circular moving plate; 342. Return spring; 343. Connecting rod; 344. Connecting rod; 345. Ball bearing; 35. Irregularly shaped rod. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention.

[0020] Example 1: like Figures 1 to 12As shown, a bamboo cutting device includes a mounting base 1 and a bamboo body 13. A workbench 11 is arranged above the mounting base 1, and the bamboo body 13 is placed on the workbench 11. The bamboo body 13 includes multiple bamboo segments 131. A cutting component 14 is also arranged above the workbench 11, and a driving component is also arranged on the workbench 11. Two mutually symmetrical first bonding plates 22 and second bonding plates 221 are also arranged above the workbench 11. Each first bonding plate 22 and second bonding plate 221 has a groove at its bottom, and the inner cavity of the groove is rotatable. A roller 23 is provided; a circular mounting cylinder 34 is also provided above the worktable 11, and a connecting rod 344 is inserted into the inner cavity of the circular mounting cylinder 34. A ball bearing 345 is provided at the end of the connecting rod 344 away from the circular mounting cylinder 34; a drive assembly is used to drive the roller 23 and the ball bearing 345 to move vertically downward. The roller 23 is located below the ball bearing 345. When the roller 23 is in contact with the bamboo body 13, it can move horizontally on the bamboo body. When the ball bearing 345 is in contact with the bamboo body 13, it can move vertically and drive the cutting assembly 14 to deflect. The drive assembly allows the roller 23 to move horizontally against the bamboo 13, enabling the determination of the bamboo node 131 position and preventing accidental cutting. After the ball bearing 345 contacts the bamboo 13, it moves downward with the circular mounting cylinder 34, which can drive the cutting assembly 14 to shift and adjust its position, ensuring accurate cutting. The drive assembly links the roller 23, ball bearing 345, and cutting assembly 14, simplifying operation, improving efficiency, and effectively solving the problems of difficult positioning and low efficiency in traditional bamboo cutting, thus meeting the processing needs of bamboo 13.

[0021] like Figures 1 to 5 As shown in the specific embodiment, a placement plate 111 and an inclined plate 113 are provided above the workbench 11. A positioning slot is provided through the placement plate 111, and a flip plate 112 is rotatably installed inside the positioning slot. Four support rods 12 are also provided above the workbench 11, and a top plate 121 is provided above the four support rods 12. In this configuration, the specific installation position and components on the workbench 11 are determined.

[0022] like Figures 1 to 5 and Figure 12 As shown, furthermore, each of the two rotating plates 112 has a rotating shaft 126 on one side wall, and each of the four rotating shafts 126 is equipped with a mounting bearing 127, which is located on the inner wall of the positioning slot. A second torsion spring 128 is sleeved on each rotating shaft 126, with both ends of each second torsion spring 128 located on the opposite side wall of the mounting bearing 127 and the rotating plate 112. This configuration ensures that the rotating plate 112 can rotate and reset.

[0023] Example 2: The difference between the above embodiments and this embodiment is that: Figures 1 to 6 and Figure 8 as well as Figure 10As shown, a bamboo cutting device includes a driving component comprising a hydraulic cylinder 123, which is positioned below a top plate 121. A sliding plate 122 is located at the output end of the hydraulic cylinder 123. The sliding plate 122 slides through a support rod 12 on all four sides. A movable groove 124 is formed at the bottom of the sliding plate 122, and a movable slider 125 is slidably disposed within the inner cavity of the movable groove 124. A first concave plate 2 is located at the bottom of the movable slider 125. This configuration determines the installation position and components of the driving component, ensuring that the operator can control the operation of the hydraulic cylinder 123. Therefore, the hydraulic cylinder 123 can push the sliding plate 122 vertically downwards. When the sliding plate 122 moves vertically downwards, it can drive the first concave plate 2 to move vertically downwards, thereby driving the electric push rod 15 and the cutting component 14 to move vertically downwards.

[0024] like Figures 1 to 6 and Figure 8 as well as Figures 10 to 11 As shown, in a specific embodiment, C-shaped connecting rods 21 are respectively provided on the opposite side walls of the first concave plate 2. Two mutually symmetrical fixing plates 211 are respectively provided in the middle of the C-shaped connecting rods 21. The four fixing plates 211 are symmetrical to each other in pairs. Bearings 212 are provided on the opposite side wall of the four fixing plates 211 in pairs. Rotating rods 213 are provided between the four bearings 212 in pairs. A swing arm 215 is provided at one end of the four rotating rods 213 in pairs. A first torsion spring 214 is sleeved on each rotating rod 213. The two ends of each first torsion spring 214 are respectively provided on the opposite side wall of the bearing 212 and the swing arm 215. The other ends of the two swing arms 215 are respectively movably mounted on the first bonding plate 22 and the second bonding plate 221. In this configuration, it is ensured that when the first concave plate 2 moves vertically downward, it can also drive the C-shaped connecting rod 21 to move vertically downward. When the C-shaped connecting rod 21 moves vertically downward, it can drive the swing arm 215 to move vertically downward. Thus, the swing arm 215 drives the first bonding plate 22 and the second bonding plate 221 to move vertically downward respectively, so that the bottom of the roller 23 can be attached to the bamboo body 13.

[0025] like Figures 1 to 11As shown, further, a concave connecting rod 31 is provided on one side wall of the first concave plate 2, and two wedge blocks 32 are respectively provided on the bottom side wall of the concave connecting rod 31. The two wedge blocks 32 are symmetrical to each other. A guide groove 321 is opened at the bottom of each of the two wedge blocks 32, and a guide slider 322 is slidably arranged in the inner cavity of each of the two guide grooves 321. A special-shaped plate 33 is provided at the end of each of the two guide sliders 322 away from the guide groove 321. A circular mounting cylinder 34 is provided at the bottom of the special-shaped plate 33. Two special-shaped rods 35 are provided on the side wall of the circular mounting cylinder 34. The two special-shaped rods 35 are symmetrical to each other, and the other end of the special-shaped rods 35 is arranged on the C-shaped connecting plate 21. A circular movable plate 341 is slidably disposed within the inner cavity of a circular mounting cylinder 34. A connecting rod 343 is disposed above the circular movable plate 341 and movably passes through the circular mounting cylinder 34. The end of the connecting rod 343 away from the circular movable plate 341 is disposed on a shaped plate 33. A return spring 342 is sleeved on the connecting rod 343 within the inner cavity of the circular mounting cylinder 34. The two ends of the return spring 342 are respectively disposed on the opposite side wall of the inner cavity of the circular mounting cylinder 34 and the circular movable plate 341. A connecting rod 344 is disposed on the side wall of the circular movable plate 341 away from the connecting rod 343 and movably passes through the circular mounting cylinder 34. In this configuration, it is ensured that when the roller 23 contacts the bamboo body 13 and moves a certain distance, it is blocked. After the roller 23 moves a certain distance, the ball bearing 345 can contact the bamboo body 13. When the roller 23 continues to move, the circular mounting cylinder 34 can move vertically downward. When the circular mounting cylinder 34 moves vertically downward, the ball bearing 345, the circular moving plate 341, the connecting rod 343, the shaped plate 33, the wedge block 32, and the concave connecting rod 31 can remain stationary. Therefore, when the circular mounting cylinder 34 and the first concave plate 2 move vertically downward, the concave connecting rod 31 remains stationary. The rod 31 can move downwards. When the concave connecting rod 31 moves downwards, it can drive the wedge block 32 to move downwards. Therefore, the wedge block 32 can be subjected to the squeezing force of the irregular plate 33 with the assistance of the guide groove 321 and guide slider 322 provided at the bottom. Therefore, the wedge block 32 can change the position of the first concave plate 2 with the assistance of the concave connecting rod 31: that is, the first concave plate 2 moves horizontally to one side. Therefore, the first concave plate 2 and the sliding plate 122 are slidably connected through the moving groove 124 and the moving slider 125, so the position of the cutting component 14 can be cut. At this time, the hydraulic cylinder 123 is controlled to stop running.

[0026] Example 3: The difference between the above embodiments and this embodiment is that: Figures 1 to 5As shown, a bamboo cutting device includes a cutting component 14 slidably mounted on a first concave plate 2. An electric push rod 15 is positioned above the cutting component 14, with its other end mounted on the cutting component 14. In this configuration, by operating the electric push rod 15, the cutting component 14 can be pushed vertically downwards, thus cutting the placed bamboo body 13.

[0027] The implementation principle of the bamboo cutting device in this embodiment is as follows: First, the worker places the bamboo body 13 onto the placement plate 111 set on the workbench 11. After placement, the worker controls the hydraulic cylinder 123 to operate. Therefore, the hydraulic cylinder 123 can push the sliding plate 122 to move vertically downward. When the sliding plate 122 moves vertically downward, it can drive the first concave plate 2 to move vertically downward, thereby driving the electric push rod 15 and the cutting component 14 to move vertically downward. Simultaneously, when the first concave plate 2 moves vertically downward, it can also drive the C-shaped connecting rod 21 to move vertically downward. When the C-shaped connecting rod 21 moves vertically downward, it can drive the swing arm 215 to move vertically downward. Thus, the swing arm 215 drives the first bonding plate 22 and the second bonding plate 221 to move vertically downward respectively, so that the bottom of the roller 23 can be attached to the bamboo body 13 (wherein, because the swing arm 215 is provided with a rotating rod 213, a bearing 212 and a first torsion spring 214 on both sides, it can be ensured that the swing arm 215 will not move when it moves downward). When the bottom of the roller 23 can fit against the bamboo body 13, the roller 23 can be positioned by the bamboo body 13, thus allowing the roller 23 to rotate. This ensures that the first bonding plate 22 and the second bonding plate 221 can move to both sides with the assistance of the swing arm 215. Therefore, it can be determined whether there is a bamboo node 131 at the cutting end. When there is a bamboo node 131, the roller 23 can be blocked by the blocking force and thus cannot move. When the roller 23 is blocked just as it comes into contact with the bamboo body 13, the worker needs to adjust the position of the bamboo body 13 so that the bamboo node is not located at the cutting position; after the adjustment is completed, the above steps need to be repeated.

[0028] When roller 23 contacts the bamboo body 13 and moves a certain distance, it is blocked. After roller 23 moves a certain distance, the ball bearing 345 can contact the bamboo body 13. When roller 23 continues to move, the circular mounting cylinder 34 can move vertically downward. When the circular mounting cylinder 34 moves vertically downward, the ball bearing 345, the circular moving plate 341, the connecting rod 343, the shaped plate 33, the wedge block 32, and the concave connecting rod 31 can remain stationary. Therefore, when the circular mounting cylinder 34 and the first concave plate 2 move vertically downward, the concave connecting rod 31 can move downward. When the concave connecting rod 31 moves downward, it will drive the wedge block 32 to move downward. Therefore, the wedge block 32 can be subjected to the squeezing force of the irregular plate 33 with the assistance of the guide groove 321 and guide slider 322 provided at the bottom. Therefore, the wedge block 32 can change the position of the first concave plate 2 with the assistance of the concave connecting rod 31 (that is, the first concave plate 2 moves horizontally to one side, so the first concave plate 2 and the sliding plate 122 are slidably connected through the moving groove 124 and the moving slider 125, so the position of the cutting component 14 can be changed). At this time, the hydraulic cylinder 123 is stopped and the electric push rod 15 is operated. Therefore, the electric push rod 15 can push the cutting component 14 to move vertically downward. When the cutting component 14 moves vertically downward, it can cut the placed bamboo body 13. Based on the above, it can be ensured to a certain extent that when cutting the bamboo body 13, the cutting component 14 is prevented from cutting the bamboo nodes 131 on the bamboo body 13, thereby reducing the lifespan of the cutting component 14.

Claims

1. A bamboo cutting device, comprising a mounting base (1) and a bamboo body (13), characterized in that: A workbench (11) is provided above the mounting base (1), a bamboo body (13) is placed on the workbench (11), and the bamboo body (13) includes multiple bamboo nodes (131). A cutting component (14) is also provided above the workbench (11), and a driving component is also provided on the workbench (11). Above the workbench (11) are two symmetrical first bonding plates (22) and second bonding plates (221). Each first bonding plate (22) and second bonding plate (221) has a slot at its bottom, and a roller (23) is rotatably installed in the inner cavity of the slot. A circular mounting cylinder (34) is also provided above the workbench (11). A connecting rod (344) is inserted into the inner cavity of the circular mounting cylinder (34). A ball bearing (345) is provided at the end of the connecting rod (344) away from the circular mounting cylinder (34). The driving component is used to drive the roller (23) and the ball (345) to move vertically downward. The roller (23) is located below the ball (345). When the roller (23) is in contact with the bamboo body (13), it can move horizontally on the bamboo body (13). When the ball (345) is in contact with the bamboo body (13), it can move vertically and drive the cutting component (14) to deflect.

2. The bamboo cutting device according to claim 1, characterized in that, The workbench (11) is provided with a placement plate (111) and an inclined plate (113) above it. The placement plate (111) has a through-hole for positioning, and a flip plate (112) is rotatably provided inside the positioning hole. The workbench (11) is also provided with four support rods (12), and a top plate (121) is provided above the four support rods (12).

3. The bamboo cutting device according to claim 1, characterized in that, Two rotating plates (112) are respectively provided with rotating shafts (126) on both sides of each rotating shaft (126), and each of the four rotating shafts (126) is provided with a mounting bearing (127). The mounting bearing (127) is located on the inner wall of the positioning slot. A second torsion spring (128) is sleeved on the rotating shaft (126). Each second torsion spring (128) is located at both ends on the opposite side wall of the mounting bearing (127) and the rotating plate (112).

4. The bamboo cutting device according to claim 1, characterized in that, The drive assembly includes a hydraulic cylinder (123), which is located below the top plate (121). A sliding plate (122) is provided at the output end of the hydraulic cylinder (123). The sliding plate (122) slides through the support rod (12) around its perimeter. A movable groove (124) is provided at the bottom of the sliding plate (122). A movable slider (125) is slidably provided in the inner cavity of the movable groove (124). A first concave plate (2) is provided at the bottom of the movable slider (125).

5. A bamboo cutting device according to claim 4, characterized in that, C-shaped connecting rods (21) are respectively provided on the opposite side walls of the first concave plate (2). Two mutually symmetrical fixing plates (211) are respectively provided in the middle of the C-shaped connecting rods (21). The four fixing plates (211) are symmetrical to each other. Bearings (212) are provided on the opposite side walls of the four fixing plates (211). Rotating rods (213) are provided between the four bearings (212). A swing arm (215) is provided at one end of the four rotating rods (213). A first torsion spring (214) is sleeved on each rotating rod (213). The two ends of each first torsion spring (214) are respectively provided on the opposite side walls of the bearings (212) and the swing arm (215). The other ends of the two swing arms (215) are respectively movably provided on the first bonding plate (22) and the second bonding plate (221).

6. A bamboo cutting device according to claim 4, characterized in that, The first concave plate (2) has a concave connecting rod (31) on one side wall, and two wedge blocks (32) are respectively provided on the bottom side wall of the concave connecting rod (31), and the two wedge blocks (32) are symmetrical to each other.

7. A bamboo cutting device according to claim 6, characterized in that, The bottom of each of the two wedge blocks (32) is provided with a guide groove (321), and the inner cavity of each of the two guide grooves (321) is provided with a guide slider (322). The two guide sliders (322) are provided with a shaped plate (33) at one end away from the guide groove (321). The bottom of the shaped plate (33) is provided with a circular mounting cylinder (34). The side wall of the circular mounting cylinder (34) is provided with two shaped rods (35). The two shaped rods (35) are symmetrical to each other, and the other end of the shaped rods (35) is provided on the C-shaped connecting plate (21).

8. A bamboo cutting device according to claim 7, characterized in that, A circular moving plate (341) is slidably disposed in the inner cavity of the circular mounting cylinder (34). A connecting rod (343) is disposed above the circular moving plate (341). The connecting rod (343) movably passes through the circular mounting cylinder (34). One end of the connecting rod (343) away from the circular moving plate (341) is disposed on the irregular plate (33). A return spring (342) is sleeved on the inner cavity of the connecting rod (343). The two ends of the return spring (342) are respectively disposed on the side wall opposite to the inner cavity of the circular mounting cylinder (34) and the circular moving plate (341).

9. A bamboo cutting device according to claim 8, characterized in that, A connecting rod (344) is provided on the side wall of the circular movable plate (341) away from the connecting rod (343), and the connecting rod (344) movably passes through the circular mounting cylinder (34).

10. A bamboo cutting device according to claim 1, characterized in that, The cutting assembly (14) is slidably disposed on the first concave plate (2), and an electric push rod (15) is disposed above the cutting assembly (14), with the other end of the electric push rod (15) disposed on the cutting assembly (14).

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