Automatic cutting equipment for bamboo tube outer wall

Abstract

The invention relates to the technical field of cutting the outer wall of a bamboo tube, and discloses an automatic cutting device for the outer wall of a bamboo tube, comprising a frame and a transmission structure for transmitting the bamboo tube to a cutting station, wherein the transmission structure is arranged in the frame; a tightening structure and a rotating structure are respectively arranged on both sides of the cutting station, and when the bamboo tube is placed in the cutting station, the tightening structure and the rotating structure are respectively abutted against the two ends of the bamboo tube to relatively fix the bamboo tube; when the rotating structure drives the bamboo tube to rotate, the tightening structure and the rotating structure rotate synchronously; a cutting knife is arranged on the cutting station, and when the bamboo tube is relatively fixed, the cutting knife moves along the axial direction of the bamboo tube to cut the outer wall of the bamboo tube, so that a cutting seam is formed on the outer wall of the bamboo tube. In this way, the outer wall of the bamboo tube can be cut, and arc-shaped bamboo strips of equal length and width can be cut from the root to the tail of the bamboo tube, with high resource utilization, effectively improving the utilization rate of the most valuable bamboo root, and reducing labor costs.

Description

Technical Field

[0001] The invention patent relates to the technical field of bamboo tube outer wall cutting, specifically, to automatic bamboo tube outer wall cutting equipment. Background Art

[0002] The bamboo industry is a globally recognized green industry with great social, economic, ecological and cultural value. China's bamboo industry has made important contributions to promoting social, economic development and ecological construction.

[0003] There are many items in our daily life that are made of bamboo and wood. When bamboo and wood are made into items, it is generally necessary to slice and polish the bamboo tube.

[0004] In the prior art, the bamboo tube is often hit and a cutting knife is used to break the bamboo tube into bamboo strips of required width. However, since the bamboo nodes of some bamboo tubes are shorter, thicker and harder, it is impossible to ensure that all bamboo tubes are broken. The cutting knife cannot cut the bamboo strips into the set size for the parts that cannot be broken, and they are often discarded for disposal. In addition, since the root of the bamboo tube is greatly deformed and the cross-section is irregular, it is impossible to ensure that the widths of the broken bamboo strips are equal when breaking them according to this method, and the bamboo tube is easily damaged, resulting in waste of bamboo strips, resulting in a low utilization rate. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic bamboo tube outer wall cutting device, aiming to solve the problem of low utilization rate of bamboo tube resource utilization in the prior art.

[0006] The present invention is implemented in this way. The automatic cutting device for the outer wall of a bamboo tube comprises a frame and a transmission structure for transmitting the bamboo tube to a cutting station, wherein the transmission structure is arranged in the frame; a tightening structure and a rotating structure for driving the bamboo tube to rotate at a set angle are respectively arranged on both sides of the cutting station. When the bamboo tube is placed in the cutting station, the tightening structure and the rotating structure are respectively abutted against the two ends of the bamboo tube to relatively fix the bamboo tube; when the rotating structure drives the bamboo tube to rotate, the tightening structure and the rotating structure rotate synchronously;

[0007] The cutting station is provided with a cutting knife. When the bamboo tube is pressed and relatively fixed by the jacking structure and the rotating structure, the cutting knife moves along the axial direction of the bamboo tube to cut the outer wall of the bamboo tube to form a cutting seam on the outer wall of the bamboo tube.

[0008] Optionally, the transmission structure includes two parallel transmission belts, the transmission belts are provided with support blocks, and the support blocks are provided with support grooves which are recessed downwards and used for placing bamboo tubes.

[0009] Optionally, the transmission structure is located below the cutting station, and is arranged horizontally, passing through the bottom of the cutting station, and extending to the front and rear of the cutting station; a clamping head is provided on the cutting station, and when the bamboo tube is transmitted to the cutting station, the clamping head clamps the bamboo tube and lifts it to a set height so that the bamboo tube is located between the tightening structure and the rotating structure.

[0010] Optionally, the clamping head is arranged between the tightening structure and the rotating structure, and includes two clamping plates that move toward or away from each other, the two clamping plates are arranged with an interval up and down, and there is a clamping gap between the two clamping plates for the bamboo tube to pass through; the clamping plate has a clamping side facing the clamping gap, and the middle part of the clamping side is recessed away from the clamping gap, forming a clamping groove for the outer side of the bamboo tube to be embedded.

[0011] Optionally, the cutting station is provided with a rotating motor that moves horizontally; the rotating motor is provided with a rotating main shaft that is arranged vertically downward, the rotating main shaft is connected to the cutting knife, and the cutting knife is arranged horizontally;

[0012] A horizontally arranged protective cover is provided on the outer side of the cutting knife, and a protective cavity is provided in the protective cover. The protective cavity has an opening toward the outer side of the cutting knife; the outer side of the cutting knife is embedded in the protective cavity through the outer opening, and the inner side of the cutting knife is exposed outside the protective cavity, forming a cutting portion for cutting the outer wall of the bamboo tube.

[0013] Optionally, the tightening structure has a tightening disk that presses against the end of the bamboo tube and is rotatably arranged, and the rotating structure has a rotating disk that presses against the end of the bamboo tube and is rotatably arranged;

[0014] The tightening plate is provided with a tightening avoidance groove for the cutting knife to pass through, and the tightening avoidance groove horizontally penetrates the tightening plate; the rotating plate is provided with a rotation avoidance groove for the cutting knife to pass through, and the rotation avoidance groove horizontally penetrates the rotating plate; when the cutting knife cuts the outer wall of the bamboo tube along the axial direction of the bamboo tube, the cutting knife passes through the tightening avoidance groove or the rotation avoidance groove.

[0015] Optionally, an encoder is provided on the cutting station, and a roller abutting against the outer circumference of the bamboo tube is connected to the encoder. When the rotating structure drives the bamboo tube to rotate, the roller rotates with the bamboo tube, and the arc length of the rotation of the bamboo tube is obtained through the encoder.

[0016] Optionally, the rotating disk has a rotating side surface facing the end of the bamboo tube and in a cone shape, and along the direction from the center to the periphery of the rotating side surface, the rotating side surface is inclined away from the end of the bamboo tube.

[0017] Optionally, the tightening disk is arranged on a horizontally arranged rotating drum, a plurality of avoidance intervals are arranged in the tightening disk, and the plurality of avoidance intervals are arranged at intervals along the circumference of the tightening disk; a movable disk is arranged on the rotating drum and moves forward and backward along the axial direction of the rotating drum, the movable disk includes a central shaft and a plurality of inclined plates, and the central shaft is movably connected to the rotating drum;

[0018] A return spring is provided between the central shaft and the rotating cylinder to push the central shaft to return to the end of the bamboo tube; a plurality of the inclined plates are connected to the outer periphery of the central shaft and are arranged around the central shaft at intervals in the circumferential direction, and the inclined plates are arranged opposite to the avoidance intervals; the inclined plates have an inclined surface abutting against the end of the bamboo tube, and the inclined surface is arranged inclined away from the end of the bamboo tube in a direction away from the central shaft;

[0019] When the tightening structure abuts against the end of the bamboo tube, the end of the bamboo tube abuts against the inclined surface. During the movement of the tightening structure toward the end of the bamboo tube, the inclined plate is pressed away from the end of the bamboo tube and moves through the avoidance interval, and the return spring is compressed until the end of the bamboo tube abuts against the tightening plate.

[0020] Optionally, the inclined surface is covered with a surface elastic layer, the outer periphery of the surface elastic layer is fixedly connected to the inclined surface, the middle part of the surface elastic layer forms a movable part that abuts against the end of the bamboo tube and automatically elastically adjusts the pressing position, and the movable part is movably arranged between the inclined surface.

[0021] Compared with the prior art, the automatic bamboo tube outer wall cutting device provided by the present invention, when the bamboo tube is relatively fixed by the jacking structure and the rotating structure, as the rotating structure drives the bamboo tube to rotate, the cutting knife moves along the axial direction of the bamboo tube to cut the outer wall of the bamboo tube, so that a cutting seam is formed on the outer wall of the bamboo tube. In this way, the outer wall of the bamboo tube can be cut, and arc-shaped bamboo strips of equal length and width can be cut from the root to the tail of the bamboo tube, with high resource utilization, effectively improving the utilization rate of the most valuable bamboo root, and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the automatic cutting device for the outer wall of a bamboo tube provided by the present invention;

[0023] Figure 2 It is a three-dimensional schematic diagram of the automatic cutting device for the outer wall of a bamboo tube provided by the present invention;

[0024] Figure 3 It is a three-dimensional schematic diagram of the jacking structure provided by the present invention;

[0025] Figure 4 It is a three-dimensional schematic diagram of the jacking structure provided by the present invention;

[0026] Figure 5 is a three-dimensional schematic diagram of the rotating structure provided by the present invention;

[0027] Figure 6 is a three-dimensional schematic diagram of a rotating electrical machine provided by the present invention;

[0028] Figure 7 It is a three-dimensional schematic diagram of the clamping head provided by the present invention;

[0029] Figure 8 It is a three-dimensional schematic diagram of the encoder provided by the present invention. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0032] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0033] Reference Figure 1-8 The figure shows a preferred embodiment of the present invention.

[0034] The automatic cutting device for the outer wall of a bamboo tube 10 provided by the present invention comprises a frame 100 and a transmission structure 101 for transmitting the bamboo tube 10 to a cutting station, wherein the transmission structure 101 is arranged in the frame 100; a tightening structure 200 and a rotating structure 300 for driving the bamboo tube 10 to rotate at a set angle are respectively arranged on both sides of the cutting station; when the bamboo tube 10 is placed at the cutting station, the tightening structure 200 and the rotating structure 300 are respectively abutted against the two ends of the bamboo tube 10 to relatively fix the bamboo tube 10; when the rotating structure 300 drives the bamboo tube 10 to rotate, the tightening structure 200 and the rotating structure 300 rotate synchronously;

[0035] A cutting knife 402 is provided on the cutting station. When the bamboo tube 10 is relatively fixed by the jacking structure and the rotating structure 300, the cutting knife 402 moves along the axial direction of the bamboo tube 10 to cut the outer wall of the bamboo tube 10 so that a cutting seam is formed on the outer wall of the bamboo tube 10.

[0036] In the automatic cutting device for the outer wall of the bamboo tube 10 provided above, when the bamboo tube 10 is relatively fixed by the jacking structure and the rotating structure 300, as the rotating structure 300 drives the bamboo tube 10 to rotate, the cutting knife 402 moves along the axial direction of the bamboo tube 10 to cut the outer wall of the bamboo tube 10, so that a cutting seam is formed on the outer wall of the bamboo tube 10. In this way, the outer wall of the bamboo tube 10 can be cut, and arc-shaped bamboo strips of equal length and width can be cut from the root to the tail of the bamboo tube 10, with high resource utilization, effectively improving the utilization rate of the most valuable bamboo root, and reducing labor costs.

[0037] The transmission structure 101 includes two parallel transmission belts, and there are support blocks on the transmission belts. The support blocks are provided with support grooves that are recessed downwards and used to place the bamboo tubes 10. In this way, the bamboo tubes 10 can be placed in the support grooves and move with the movement of the transmission belts.

[0038] The transmission structure 101 is located below the cutting station. The transmission structure 101 is arranged horizontally, passes through the bottom of the cutting station, and extends to the front and rear of the cutting station. The cutting station is provided with a clamping head 500. When the bamboo tube 10 is transmitted to the cutting station, the clamping head 500 clamps the bamboo tube 10 and lifts it to a set height, so that the bamboo tube 10 is located between the clamping structure 200 and the rotating structure 300. In this way, the bamboo tube 10 is transported to the cutting station through the transmission structure 101, and then the bamboo tube 10 is clamped from bottom to top to the cutting station by the clamping head 500, realizing full line automation.

[0039] The clamping head 500 is arranged between the jacking structure 200 and the rotating structure 300, and includes two clamping plates 501 that move toward or away from each other, and the two clamping plates 501 are arranged with an interval up and down, and there is a clamping interval for the bamboo tube 10 to pass through between the two clamping plates 501; the clamping plate 501 has a clamping side facing the clamping interval, and the middle of the clamping side is recessed away from the clamping interval, forming a clamping groove 502 for the outer side of the bamboo tube 10 to be embedded. In this way, since the outer wall of the bamboo tube 10 is arc-shaped, the clamping groove 502 is more closely attached to the outer wall of the bamboo tube 10, and can be firmly clamped.

[0040] A rotary motor 400 that moves horizontally is provided on the cutting station; the rotary motor 400 is provided with a rotary main shaft 401 that is arranged vertically downward, and a cutting knife 402 is connected to the rotary main shaft 401, and the cutting knife 402 is arranged horizontally.

[0041] A horizontally arranged protective cover 403 is provided on the outer side of the cutting knife 402, and a protective cavity is provided in the protective cover 403, and the protective cavity has an outer opening facing the cutting knife 402; the outer side of the cutting knife 402 is embedded in the protective cavity through the outer opening, and the inner side of the cutting knife 402 is exposed outside the protective cavity, forming a cutting portion for cutting the outer wall of the bamboo tube 10; in this way, the protective cover 403 can perform a protective function to prevent human body from touching it, and at the same time, through the provided rotating main shaft 401, as the rotating main shaft 401 rotates, the cutting knife 402 rotates horizontally to achieve the purpose of cutting; at the same time, the cutting knife 402 cuts according to the setting until the arc length of the bamboo cut reaches the set value, that is, stops moving horizontally, so that the arc length and width of the cut bamboo sheet are uniform, and the cutting knife 402 moves back and forth horizontally, effectively reducing empty running, and high production efficiency.

[0042] The pressing structure 200 comprises a pressing plate 201 which is rotatably arranged to press against the end of the bamboo tube 10 , and the rotating structure 300 comprises a rotating plate 301 which is rotatably arranged to press against the end of the bamboo tube 10 .

[0043] A tightening avoidance groove 202 is provided in the tightening disk 201 for the cutting knife 402 to pass through, and the tightening avoidance groove 202 horizontally penetrates the tightening disk 201; a rotating avoidance groove 302 is provided in the rotating disk 301 for the cutting knife 402 to pass through, and the rotating avoidance groove 302 horizontally penetrates the rotating disk 301; when the cutting knife 402 cuts the outer wall of the bamboo tube 10 along the axial direction of the bamboo tube 10, the cutting knife 402 passes through the tightening avoidance groove 202 or the rotating avoidance groove 302.

[0044] By providing the tightening avoidance groove 202 provided on the tightening disk 201 and the rotating avoidance groove 302 provided on the rotating disk 301, it is possible to prevent the cutting knife 402 from damaging the tightening disk 201 or the rotating disk 301 when passing through the tightening disk 201 or the rotating disk 301. At the same time, compared with the traditional automatic bamboo cutting equipment, the tightening parts of the tightening structure 200 at both ends are very easy to be cut off during the cutting process, making the tightening parts consumables, and the replacement is time-consuming and labor-intensive, and the cost is high.

[0045] The cutting station is provided with an encoder 600, and the encoder 600 is connected with a roller 601 that abuts against the outer circumference of the bamboo tube 10. When the rotating structure 300 drives the bamboo tube 10 to rotate, the roller 601 rotates with the bamboo tube 10, and the arc length of the bamboo tube 10 is obtained through the encoder 600. In this way, the roller 601 can reduce the rotational force required when the rotating structure 300 drives the bamboo tube 10 to rotate, and the encoder 600 can monitor the arc length of the cut bamboo in real time through the roller 601. When the set arc length strength is reached, the rotating structure 300 stops rotating, and the cutting knife 402 stops moving horizontally, so as to achieve the cutting of arc-shaped bamboo strips with consistent length and width.

[0046] The rotating disk 301 has a conical rotating side surface facing the end of the bamboo tube 10, and along the direction from the center to the periphery of the rotating side surface, the rotating side surface is arranged obliquely away from the end of the bamboo tube 10. In this way, since the rotating side surface is arranged obliquely away from the end of the bamboo tube 10, during the tightening and rotating process, the center of the bamboo tube 10 and the center of the rotating tube 203 can be aligned, so that the cutting knife 402 can cut more accurately.

[0047] The tightening disk 201 is arranged on a horizontally arranged rotating cylinder 203, and a plurality of avoidance intervals are arranged in the tightening disk 201, and the plurality of avoidance intervals are arranged at intervals along the circumference of the tightening disk 201; the rotating cylinder 203 is provided with a movable disk which moves forward and backward along the axial direction of the rotating cylinder 203, and the movable disk includes a central axis 204 and a plurality of inclined plates 205, and the central axis 204 is movably connected to the rotating cylinder 203.

[0048] A return spring is provided between the central axis 204 and the rotating cylinder 203 to push the central axis 204 to return to the end of the bamboo tube 10; a plurality of inclined plates 205 are connected to the outer periphery of the central axis 204, and are arranged around the circumferential interval of the central axis 204, and the inclined plates 205 are arranged opposite to the avoidance interval; the inclined plate 205 has an inclined surface abutting against the end of the bamboo tube 10, and the inclined surface is arranged inclined away from the end of the bamboo tube 10 along the direction away from the central axis 204.

[0049] When the clamping structure 200 abuts against the end of the bamboo tube 10, the end of the bamboo tube 10 abuts against the inclined surface. During the movement of the clamping structure 200 toward the end of the bamboo tube 10, the inclined plate 205 is pressed away from the end of the bamboo tube 10 and moves through the avoidance interval, and the return spring is compressed until the end of the bamboo tube 10 abuts against the clamping plate 201.

[0050] By providing a movable disk, and as the bamboo tube 10 presses against the movable disk, the movable disk moves backward until the bamboo tube 10 abuts against the tightening disk 201. Since the return spring has elasticity, it effectively avoids the phenomenon of the bamboo tube 10 breaking and breaking when the tightening structure 200 presses against the brittle bamboo tube 10, and can play a buffering role.

[0051] The inclined surface is covered with a surface elastic layer 206, the outer periphery of the surface elastic layer 206 is fixedly connected to the inclined surface, the middle part of the surface elastic layer 206 forms a movable part that abuts against the end of the bamboo tube 10 and automatically adjusts the abutting position elastically, and the movable part is movably arranged between the inclined surface. In this way, when the movable disk moves backward, the bamboo tube 10 abuts against the surface elastic layer 206. Since the surface elasticity of the surface elastic layer 206 is different, the movable part tends to move the end of the bamboo tube 10 on the surface elastic layer 206, driving the center of the movable disk to align with the center of the bamboo tube 10, thereby satisfying the alignment of the center of the tightening disk 201 with the bamboo tube 10, and achieving the purpose of high-precision and accurate cutting.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Automatic cutting equipment for bamboo tube outer wall, characterized in that: It comprises a frame and a transmission structure for transmitting the bamboo tube to the cutting station, wherein the transmission structure is arranged in the frame; a tightening structure and a rotating structure for driving the bamboo tube to rotate at a set angle are respectively arranged on both sides of the cutting station; when the bamboo tube is placed in the cutting station, the tightening structure and the rotating structure are respectively abutted against the two ends of the bamboo tube to relatively fix the bamboo tube; when the rotating structure drives the bamboo tube to rotate, the tightening structure and the rotating structure rotate synchronously; The cutting station is provided with a cutting knife. When the bamboo tube is pressed and relatively fixed by the jacking structure and the rotating structure, the cutting knife moves along the axial direction of the bamboo tube to cut the outer wall of the bamboo tube so that a cutting seam is formed on the outer wall of the bamboo tube. The tightening structure comprises a tightening disk which presses against the end of the bamboo tube and is rotatably arranged, and the rotating structure comprises a rotating disk which presses against the end of the bamboo tube and is rotatably arranged; The tightening plate is provided with a tightening avoidance groove for the cutting knife to pass through, and the tightening avoidance groove horizontally penetrates the tightening plate; the rotating plate is provided with a rotating avoidance groove for the cutting knife to pass through, and the rotating avoidance groove horizontally penetrates the rotating plate; when the cutting knife cuts the outer wall of the bamboo tube along the axial direction of the bamboo tube, the cutting knife passes through the tightening avoidance groove or the rotating avoidance groove; The rotating disk has a conical rotating side surface facing the end of the bamboo tube, and along the direction from the center to the periphery of the rotating side surface, the rotating side surface is arranged obliquely away from the end of the bamboo tube; The tightening disk is arranged on a horizontally arranged rotating drum, and a plurality of avoidance intervals are arranged in the tightening disk, and the plurality of avoidance intervals are arranged at intervals along the circumference of the tightening disk; a movable disk is arranged on the rotating drum, which moves forward and backward along the axial direction of the rotating drum, and the movable disk includes a central shaft and a plurality of inclined plates, and the central shaft is movably connected to the rotating drum; A return spring is provided between the central shaft and the rotating cylinder to push the central shaft to return to the end of the bamboo tube; a plurality of the inclined plates are connected to the outer periphery of the central shaft and are arranged around the central shaft at intervals in the circumferential direction, and the inclined plates are arranged opposite to the avoidance intervals; the inclined plates have an inclined surface abutting against the end of the bamboo tube, and the inclined surface is arranged inclined away from the end of the bamboo tube in a direction away from the central shaft; When the tightening structure abuts against the end of the bamboo tube, the end of the bamboo tube abuts against the inclined surface. During the movement of the tightening structure toward the end of the bamboo tube, the inclined plate is pressed away from the end of the bamboo tube and moves through the avoidance interval, and the return spring is compressed until the end of the bamboo tube abuts against the tightening plate.

2. The automatic bamboo tube outer wall cutting device according to claim 1, characterized in that: The transmission structure comprises two parallel transmission belts, the transmission belts are provided with support blocks, and the support blocks are provided with support grooves which are concave downwards and used for placing bamboo tubes.

3. The automatic bamboo tube outer wall cutting device according to claim 1, characterized in that: The transmission structure is located below the cutting station, and is arranged horizontally, passing through the bottom of the cutting station, and extending to the front and rear of the cutting station. A clamping head is provided on the cutting station. When the bamboo tube is transmitted to the cutting station, the clamping head clamps the bamboo tube and lifts it to a set height so that the bamboo tube is located between the tightening structure and the rotating structure.

4. The automatic bamboo tube outer wall cutting device according to claim 3, characterized in that: The clamping head is arranged between the tightening structure and the rotating structure, and includes two clamping plates that move toward or away from each other, the two clamping plates are arranged with an interval up and down, and there is a clamping gap between the two clamping plates for the bamboo tube to pass through; the clamping plate has a clamping side facing the clamping gap, and the middle part of the clamping side is recessed away from the clamping gap, forming a clamping groove for the outer side of the bamboo tube to be embedded.

5. The automatic bamboo tube outer wall cutting device according to claim 1, characterized in that: The cutting station is provided with a rotating motor that moves horizontally; the rotating motor is provided with a rotating main shaft that is arranged vertically downward, the rotating main shaft is connected with the cutting knife, and the cutting knife is arranged horizontally; A horizontally arranged protective cover is provided on the outer side of the cutting knife, and a protective cavity is provided in the protective cover. The protective cavity has an opening toward the outer side of the cutting knife; the outer side of the cutting knife is embedded in the protective cavity through the outer opening, and the inner side of the cutting knife is exposed outside the protective cavity, forming a cutting portion for cutting the outer wall of the bamboo tube.

6. The automatic bamboo tube outer wall cutting device according to any one of claims 1 to 5, characterized in that: The cutting station is provided with an encoder, and the encoder is connected to a roller abutting against the outer circumference of the bamboo tube. When the rotating structure drives the bamboo tube to rotate, the roller rotates with the bamboo tube, and the arc length of the bamboo tube rotation is obtained through the encoder.

7. The automatic bamboo tube outer wall cutting device according to any one of claims 1 to 5, characterized in that: The inclined surface is covered with a surface elastic layer, the outer periphery of the surface elastic layer is fixedly connected to the inclined surface, the middle part of the surface elastic layer forms a movable part that abuts against the end of the bamboo tube and automatically elastically adjusts the pressing position, and the movable part is movably arranged between the inclined surface.

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