Portable electric self-revolution rotary cutting device for bamboo wood and using method of portable electric self-revolution rotary cutting device

Abstract

The invention discloses a portable bamboo electric self-revolution rotary cutting device and a using method thereof.The device comprises a device shell, the device shell is formed by splicing two sub-shells, a vertically-through cutting cavity is formed in the middle of the device shell, and a splicing gear structure, a cutting structure and a clamping structure are arranged in the device shell; the splicing gear structure comprises a first half gear and a second half gear, the first half gear and the second half gear are spliced to form an annular gear, teeth are formed on the outer surface of the annular gear, the inner diameter of the inner side face of the annular gear is gradually changed, and threads are arranged on the inner side face of the annular gear. The revolution rotating unit comprises a first motor, a pinion and a supporting plate, the autorotation cutting unit comprises a second motor, a feeding guide rod and a cutter, the cutter is not exposed, bamboo needing to be cut can be directly subjected to rotary cutting, the cutting efficiency is improved, the section precision is guaranteed, meanwhile, the cutting environment is improved, and potential safety hazards are reduced; the method has the advantages of excellent performance and simple operation.

Description

Technical Field

[0001] The technical field of the forestry machinery of the present invention, in particular, relates to a portable electric self - revolution and rotation cutting device for bamboo and its usage method. Background Art

[0002] Due to the characteristics of the rhizome of sympodial bamboo, the dense bamboo clump form, and the rapid growth, it is very difficult to directly cut the mature plants inside the sympodial bamboo during the forestry production process. Traditional cutting saws, such as chain saws and reciprocating saws, can only achieve cutting from the inside to the outside. Moreover, the cutting surface is rough during cutting, the chips fly everywhere, there will be a certain loss of materials, the debris generated during the cutting process not only pollutes the environment but also endangers the life and health of workers, and the equipment has poor adaptability and is difficult to handle bamboo with different diameters and densities. At the same time, with the large - scale development of the bamboo processing industry, the traditional manual or mechanical cutting methods can no longer meet the efficient and precise production requirements. Sympodial bamboo is characterized by dense growth, complex structure, and anisotropy (such as high axial strength and poor radial toughness), and there are many limitations in traditional cutting methods. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a portable electric self - revolution and rotation cutting device for bamboo and its usage method. The present invention can perform closed - type cutting on bamboo, and the cutting process is safe, precise, and fast.

[0004] To achieve the above - mentioned technical purpose, the technical solution adopted by the present invention is as follows: A portable electric self - revolution and rotation cutting device for bamboo, including a device housing. The device housing is spliced by two sub - housings. There is a cutting cavity that penetrates up and down in the middle of the device housing. A splicing gear structure, a cutting structure, and a clamping structure are arranged inside the device housing. The splicing gear structure includes a semi - gear one and a semi - gear two. The semi - gear one is fixedly installed in one sub - housing, and the semi - gear two is fixedly installed in the other sub - housing. When the two sub - housings are spliced to form the device housing, the semi - gear one and the semi - gear two are spliced to form an annular gear. Teeth are formed on the outer surface of the annular gear, and the inner diameter of the inner side of the annular gear gradually changes and is provided with threads. The cutting structure includes a revolution rotation unit and a self - rotation cutting unit. The revolution rotation unit includes a first motor, a small gear, and a support plate. The self - rotation cutting unit includes a second motor, a feed guide rod, and a cutter. The first motor is coaxially connected with the small gear, the small gear is engaged with the outer surface of the annular gear, the support plate is positioned and installed on the axis of the small gear. The first motor can drive the revolution rotation unit and the self - rotation cutting unit to revolve around the annular gear. The second motor is movably installed horizontally on the support plate. The motor shaft of the second motor is connected with the cutter. One end of the feed guide rod is fixedly connected with the motor housing of the second motor, and the other end is in threaded cooperation with the inner side of the annular gear. The feed guide rod can push the second motor to move horizontally under the condition that the inner diameter of the inner side of the annular gear gradually changes, so as to make the cutter approach or move away from the center of the annular gear. When the bamboo passes through the cutting cavity, the clamping structure is used to clamp the bamboo.

[0005] To optimize the above technical solutions, the specific measures taken also include: A number of mounting posts are provided on the lower surfaces of the above-mentioned semi-gear one and semi-gear two, and the semi-gear one and semi-gear two are respectively fixedly mounted in the sub-housing through the corresponding mounting posts.

[0006] An annular mounting cavity is provided inside the above-mentioned device housing, and the first motor, the small gear and the support plate are all arranged in the mounting cavity. The first motor, the small gear and the support plate can move in a circular motion in the mounting cavity, and the mounting cavity restricts the first motor, the small gear and the support plate from moving horizontally.

[0007] A battery is also mounted on the above-mentioned device housing, and the battery is respectively connected to the first motor and the second motor and supplies power to the two.

[0008] The above-mentioned first motor is a brushless motor, and a forward and reverse controller is provided on the device housing. The forward and reverse controller is connected to the first motor and can control the first motor to rotate forward and reverse.

[0009] A vertical housing groove is provided on the above-mentioned motor housing. A collar is fixedly provided at one end of the feed guide rod connected to the motor housing. The collar is sleeved on the motor housing. A protrusion matching the housing groove is provided on the inner surface of the collar, and the protrusion is snapped into the housing groove so that the feed guide rod can be movable relative to the second motor in the vertical direction and limited in the horizontal direction.

[0010] The above-mentioned clamping structure includes a number of clamping units. Each clamping unit is composed of a rotating rod and a clamping block. One end of the rotating rod is located outside the device housing, and the other end passes through the device housing and is connected to the clamping block. The rotating rod is in threaded cooperation with the device housing. The clamping block is located in the cutting cavity. The rotating rod can be rotated to make the clamping block approach or move away from the center of the cutting cavity. A number of clamping blocks cooperate to clamp the bamboo.

[0011] A portable electric self-revolving and revolving bamboo cutting device also includes a control system. The control system is installed inside the device housing. The control system is signal-connected to the cutter and the second motor and controls the operation of the second motor.

[0012] Self-locking buckles are provided on both of the two sub-housings, and the two sub-housings can be locked to each other through the self-locking buckles to form the device housing.

[0013] A using method of a portable electric self-revolving and revolving bamboo cutting device, applying the above-mentioned portable electric self-revolving and revolving bamboo cutting device, the specific steps are as follows: Step a: Separate the device housing into two sub-housings, place the target bamboo between the two sub-housings, and then combine the two sub-housings into the device housing. The semi-gear one and the semi-gear two are combined to form an annular gear, and the target bamboo is located in the cutting cavity. Step b: Lift the portable bamboo electric self - and - planetary rotary cutting device near the cutting position and clamp the bamboo through the clamping structure; Step c: Start the second motor to drive the tool to rotate. Then turn on the first motor and make the first motor rotate forward, driving the small gear to rotate. The small gear meshes with the annular gear and rotates. The small gear drives the support plate, the second motor, the tool, and the feed guide rod to revolve around the annular gear. The feed guide rod moves along the inner side thread of the annular gear. The gradually changing inner diameter of the annular gear causes the feed guide rod to generate a lateral thrust on the motor housing while moving vertically, thereby making the second motor and the tool move horizontally towards the center of the cutting chamber. The tool gradually contacts the bamboo and starts cutting until the bamboo is cut off. Then turn off the first motor and the second motor, and the tool stops moving; Step d: Control the first motor to reverse until the tool returns to the initial position, loosen the clamping structure, separate the device housing into two split shells, and remove it from the bamboo.

[0014] The beneficial effects of the present invention are as follows: The rotary cutting saw of the present invention solves the problems that traditional cutting of clumped bamboo cannot selectively cut bamboo, and the manual saw has low efficiency, and the cutting section of general electric saws is uneven, prone to burrs, splitting, etc. Through a small and portable design and simple installation, the high - speed rotating blade realizes rapid cutting, especially suitable for densely growing clumped bamboo. Its sharp cutting edge and stable rotation speed can easily cut through the bamboo stalk, greatly improving the operation efficiency and saving labor costs. The mechanical movement of the rotary cutting saw can ensure a flat cut, reducing the common splitting and burr problems of traditional manual tools. This is crucial for subsequent processing (such as bamboo weaving, furniture making), and can reduce the secondary processing cost.

[0015] The present invention integrates rotary cutting and is equipped with a battery, greatly improving portability. At the same time, the tool is placed inside the machine body, reducing potential safety hazards during use and transportation.

[0016] The designed semi - gear one and semi - gear two of the present invention can be combined into a complete gear, meshing with the small gear, facilitating installation and disassembly, and at the same time, being able to cut specific target plants.

[0017] The internal tracks of the designed semi - gear one and semi - gear two of the present invention can allow the feed guide rod to move, and while moving, push the tool to feed along semi - gear one and semi - gear two. Combining with the rotation of the tool driven by the small gear around semi - gear one and semi - gear two, it realizes rotary feeding. Cutting inside the device will not cause chips to fly everywhere, ensuring a comfortable working environment and the physical health of the operator. The design is novel, the structure is simple, and the operation is convenient. Brief Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the structure without the housing of the portable bamboo electric self - and - planetary rotary cutting device of the present invention; Figure 2 is a complete schematic diagram of the portable electric self-rotating and revolving bamboo cutting device of the present invention; Figure 3 is a front view of the portable electric self-rotating and revolving bamboo cutting device of the present invention without a housing structure; Figure 4 is Figure 3 a partial sectional view of; Figure 5 is a left-half sectional view after longitudinal cutting in the middle of the portable electric self-rotating and revolving bamboo cutting device; Figure 6 is a right-half sectional view after longitudinal cutting in the middle of the portable electric self-rotating and revolving bamboo cutting device; Figure 7 is a schematic structural diagram of semi-gear one or semi-gear two; Figure 8 is Figure 7 a left view of; Figure 9 is Figure 7 a top view of; Figure 10 is a schematic diagram of a self-locking buckle provided on the device housing; Reference numerals are: first motor 1, pinion 2, semi-gear one 3, semi-gear two 4, feed guide rod 5, motor housing 6, second motor 7, support plate 8, cutter 9, device housing 10, battery 11, clamping unit one 12, clamping unit two 13, clamping unit three 14. Detailed implementation manners

[0019] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be described and explained below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0020] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application. For those of ordinary skill in the art, without making creative efforts, the present application can also be applied to other similar scenarios based on these drawings. In addition, it can also be understood that although the efforts made in this development process may be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present application, some design, manufacturing or production changes based on the technical content disclosed in the present application are only conventional technical means and should not be understood as the content disclosed in the present application being insufficient.

[0021] As used herein, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of the present application. The phrase appearing in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those of ordinary skill in the art will explicitly and implicitly understand that the embodiments described in the present application can be combined with other embodiments without conflict.

[0022] Unless otherwise defined, the technical terms or scientific terms involved in this application should have the ordinary meaning understood by those with ordinary skills in the technical field to which this application belongs. The words "a", "an", "one", "the", and similar terms involved in this application do not indicate a limitation of quantity and can mean singular or plural. The terms "include", "comprise", "have" and any variations thereof involved in this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units (units) is not limited to the listed steps or units, but may further include steps or units not listed, or may further include other steps or units inherent to these processes, methods, products or devices. The terms "connected", "coupled", and similar terms involved in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "a plurality of" / "several" involved in this application means two or more. "And / or" describes the association relationship of associated objects and indicates that three relationships may exist. For example, "A and / or B" may mean: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. The terms "first", "second", "third", etc. involved in this application are only used to distinguish similar objects and do not represent a specific order for the objects.

[0023] As Figure 1-10 shown, a portable bamboo electric self-rotating and revolving cutting device of the present invention mainly includes components such as a motor housing 6, a device housing 10, a first motor 1, a second motor 7, a feed guide rod 5, a small gear 2, a semi-gear one 3, a semi-gear two 4, a support plate 8, a cutter 9, a battery 11, a clamping unit one 12, a clamping unit two 13, and a clamping unit three 14.

[0024] The motor housing 6 is the housing of the second motor 7, in which the second motor 7 can be assembled. The motor housing 6 is mounted on the support plate 8. The cutter 9 is drivingly connected to the second motor 7 and is mounted on the support plate 8. The first motor 1 is rotatably connected to the pinion 2. The pinion 2 is drivingly connected to the first half-gear 3 and the second half-gear 4 and is mounted on the support plate 8. The first half-gear 3 and the second half-gear 4 are each half of a complete gear, i.e., a ring gear, and can be assembled into a complete gear by fitting. They are fixedly installed inside the device housing 10. There are circular tracks cut by variable-diameter threads inside the first half-gear 3 and the second half-gear 4. The feed guide rod 5 is sleeved on the motor housing 6 and cooperates with the inner track of the ring gear. The feed guide rod 5 can rotate along the inner track of the ring gear under the action of the support plate 8 and the motor housing 6, driving the radial feed of the motor housing 6 and the support plate 8 to achieve the feed of the cutter 9. The device housing 10 is formed by splicing two half-housings and can be assembled into a complete housing. Inside, there are positions for fixedly installing the first half-gear 3 and the second half-gear 4, and the movement spaces for the first motor 1, the pinion 2, the support plate 8, the cutter 9, the second motor 7, and the motor housing 6. The battery 11 is installed in the upper part of the device housing 10 through the installation slot. There is a handle area on the device housing 10, and a switch for the first motor 1 is provided on the handle. The clamping unit one 12, the clamping unit two 13, and the clamping unit three 14 are all installed on the device housing 10, and each of them is composed of a clamping block and a rotating rod combination. The rotating rod is connected to the clamping block through the device housing 10. The rotating rod 13 is in threaded cooperation with the lower part of the device housing 10 to control the clamping and loosening of the clamping block 14. When the first motor 1 operates, it drives the pinion 2 to rotate. Since the first half-gear 3 and the second half-gear 4 are fixedly installed on the device housing 10, the pinion 1 will drive the support plate 8, the first motor 1, the motor housing 6, the cutter 9, and the second motor 7 to rotate along the first half-gear 3 and the second half-gear 4. The feed guide rod 5 on the motor housing 6 will slide along the track on the first half-gear 3 and the second half-gear 4. Since the radius of the track gradually decreases, the feed guide rod will push the motor housing 6, the second motor 7, and the cutter 9 on the second motor 7 to perform radial feed, realizing the rotary cutting of the cutter 9.

[0025] The first motor 1 is a brushless motor and is connected to the battery 11 on the device housing 10. The forward and reverse rotation of the first motor 1 is controlled by the ESC, a forward and reverse rotation controller, on the handle of the device housing 10.

[0026] There is a groove on the motor housing 6 for the assembly of the feed guide rod 5. The feed guide rod can move axially on the groove. There are two protruding cylinders at the upper end of the motor housing 6 for the installation and positioning of the support plate 8. There are through grooves on the inner circumference and the bottom of the motor housing 6 for the heat dissipation of the second motor 7.

[0027] The support plate 8 is provided with a through hole and a radial through groove. The through hole is used for positioning and installing the first motor 1, and the radial through groove is used for assembly with the motor housing 6 and the second motor 7 to allow the motor housing 6, the second motor 7 and the tool 9 to move radially. There is also a raised cylinder on the lower surface of the middle part of the support plate 8, which is blocked and cannot be seen in the drawings of the specification. There is a circle of support plate limiting grooves on the upper surface of the ring gear, and the raised cylinder can be stuck in the support plate limiting grooves and move, thereby ensuring that the feed guide rod 5 is always parallel to the central axis of the support plate 8. There is also a pulley and roller structure on the support plate 8, which can cooperate with the device housing 10 to ensure the accurate movement position of the support plate 8.

[0028] The lower surfaces of the half gear 1 3 and the half gear 2 4 each have two protruding cylinders, which are assembled with the device housing 10 .

[0029] The device housing 10 consists of two half shells, which are self-lockingly installed together by four eccentric cam buckles. The buckles can be pushed open for disassembly. Inside, there are positions for fixing half gear 1 3 and half gear 2 4 and a support plate 8, a first motor 1, a second motor 7, a motor housing 6, and a movable space for the pinion 2. There is a raised slide inside that cooperates with the pulley of the support plate 8 to locate the movable position of the support plate 8.

[0030] The clamping device includes a clamping unit 12, a clamping unit 2 13 and a clamping unit 3 14. The three clamping units are arranged at the lower position of the device housing 10 with equal arcs, and are composed of a rotating rod and a clamping block. One section of the rotating rod is a smooth rod, which can be installed on the clamping block 14, and the other section is a threaded rod, which can cooperate with the threaded hole at the lower part of the device housing 10. The rotation of the rotating rod 13 does not drive the clamping block 14 to rotate, but only pushes and pulls the clamping block 14 to clamp or loosen. The material of the clamping block that contacts the bamboo for positioning is rubber, so that the positioning is accurate and does not damage the cut bamboo.

[0031] The device also includes a control system, which is installed inside the device housing 10. The control system is connected to the tool 9 and the second motor 7 by signals, and controls the operation of the second motor 7.

[0032] When the device of the present invention is used, the self-locking buckle on the device housing 10 is loosened, the device housing 10 is disassembled, the target bamboo is surrounded, the device housing 10 is merged, the buckle is self-locked, the device is lifted to the vicinity of the cutting position, and the three clamping units, namely, the clamping unit 1 12, the clamping unit 2 13, and the clamping unit 3 14, are tightened respectively. The switch on the handle of the device housing 10 is pressed to start the second motor 7, so that the tool 9 rotates, and the first motor 1 is driven to start. The first motor 1 drives the pinion 2 to rotate, and the pinion 2 is meshed with the half gear 1 3 and the half gear 2 4. Since the half gear 1 3 and the half gear 2 4 are fixed on the device housing 10, the pinion 2 will carry the support plate 8 under the meshing action, and the first motor 1 will revolve along the ring gear. The motor housing 6 is connected to the second motor 7 and the support plate 8. The tool 9 is installed on the second motor 7 through the support plate 8, and the feed guide rod 5 is sleeved on the motor housing 6. Therefore, the support plate 8 will carry the motor housing 6, and the second motor 7 will rotate. The machine 7, the cutter 9 and the feed guide rod 5 move around the inner rings of the half gear 1 3 and the half gear 2 4, and the inner rings of the half gear 1 3 and the half gear 2 4 have circular tracks cut by variable diameter threads, and the feed guide rod 5 can cooperate with them. As the feed guide rod 5 moves and the diameter of the inner ring of the ring gear decreases, the feed guide rod 5 moves vertically along the motor housing 6, while pushing the motor housing 6, the second motor 7, and the cutter 9 on the support plate 8 to the center of the ring gear until the cutter 9 contacts the target bamboo. The cutter 9 rotates to cut the bamboo, wherein the radial dimension change of the inner ring diameter of the ring gear is greater than the thickness of the bamboo, ensuring complete cutting. Until the cutting is completed, the second motor 7 stops moving, at this time, the switch on the handle of the device housing 10 is turned off, the first motor 1 stops rotating, and the reverse switch is pressed. The first motor 1 reverses, and the tool 9 returns to the starting position under the pull of the feed guide rod 5. The rotating rods on the clamping unit 1 12, the clamping unit 2 13, and the clamping unit 3 14 are rotated to withdraw the clamping block, and then the buckle on the device housing 10 is opened, the device housing 10 is disassembled, and the device is removed.

[0033] The above are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims

1. A portable electric self-rotating and revolving bamboo cutting device, characterized in that: It includes a device housing (10), which is formed by splicing two sub-housings. There is a cutting cavity that runs through vertically in the middle of the device housing (10). A splicing gear structure, a cutting structure, and a clamping structure are arranged inside the device housing (10). The splicing gear structure includes a semi-gear one (3) and a semi-gear two (4). The semi-gear one (3) is fixedly installed in one sub-housing, and the semi-gear two (4) is fixedly installed in the other sub-housing. When the two sub-housings are spliced to form the device housing (10), the semi-gear one (3) and the semi-gear two (4) are spliced to form an annular gear. Teeth are formed on the outer surface of the annular gear, and the inner diameter of the inner side surface of the annular gear gradually changes and is provided with threads. The cutting structure includes a revolution rotation unit and a self-rotation cutting unit. The revolution rotation unit includes a first motor (1), a small gear (2), and a support plate (8). The self-rotation cutting unit includes a second motor (7), a feed guide rod (5), and a cutter (9). The first motor (1) is coaxially connected to the small gear (2). The small gear (2) is engaged with the outer surface of the annular gear. The support plate (8) is positioned and installed on the axis of the small gear (2). The first motor (1) can drive the revolution rotation unit and the self-rotation cutting unit to revolve around the annular gear. The second motor (7) is movably installed horizontally on the support plate (8). The motor shaft of the second motor (7) is connected to the cutter (9). One end of the feed guide rod (5) is fixedly connected to the motor housing (6) of the second motor (7), and the other end is in threaded cooperation with the inner side surface of the annular gear. The feed guide rod (5) can push the second motor (7) to move horizontally under the condition that the inner diameter of the inner side surface of the annular gear gradually changes, so as to make the cutter (9) approach or move away from the center of the annular gear. When the bamboo passes through the cutting cavity, the clamping structure is used to clamp the bamboo.

2. The portable bamboo electric self-rotating and revolving veneering device according to claim 1, wherein: A plurality of mounting posts are arranged on the lower surfaces of the semi-gear one (3) and the semi-gear two (4). The semi-gear one (3) and the semi-gear two (4) are respectively fixedly installed in the sub-housings through the corresponding mounting posts.

3. A portable bamboo electric self-rotating and revolving veneer cutting device according to claim 2, characterized in that: An annular mounting cavity is arranged inside the device housing (10). The first motor (1), the small gear (2), and the support plate (8) are all arranged in the mounting cavity. The first motor (1), the small gear (2), and the support plate (8) can perform circular motion in the mounting cavity, and the mounting cavity restricts the first motor (1), the small gear (2), and the support plate (8) from performing horizontal motion.

4. A portable bamboo electric self-rotating and revolving veneer cutting device according to claim 3, characterized in that: A battery (11) is also installed on the device housing (10). The battery (11) is respectively connected to the first motor (1) and the second motor (7) and supplies power to the two.

5. A portable electric self-rotating and revolving bamboo cutting device according to claim 4, characterized in that: The first motor (1) is a brushless motor. A forward and reverse controller is arranged on the device housing (10). The forward and reverse controller is connected to the first motor (1) and can control the forward and reverse rotation of the first motor (1).

6. A portable bamboo electric self-revolving and revolving veneer cutting device according to claim 1, characterized in that: A vertical housing groove is formed on the motor housing (6). At one end of the feed guide rod (5) connected to the motor housing (6), a collar is fixedly provided. The collar is sleeved on the motor housing (6), and a protrusion matching the housing groove is arranged on the inner surface of the collar. The protrusion is snapped into the housing groove, so that the feed guide rod (5) can be vertically movable relative to the second motor (7) while being horizontally limited.

7. A portable bamboo electric self - revolution and rotation cutting device according to claim 1, characterized in that: The clamping structure includes a plurality of clamping units. Each clamping unit is composed of a rotating rod and a clamping block. One end of the rotating rod is located outside the device housing (10), and the other end passes through the device housing (10) and is connected to the clamping block. The rotating rod is in threaded cooperation with the device housing (10). The clamping block is located in the cutting chamber. The rotating rod can be rotated to make the clamping block approach or move away from the center of the cutting chamber. A plurality of clamping blocks cooperate to clamp the bamboo.

8. A portable bamboo electric self - revolution and rotation cutting device according to claim 1, characterized in that: It further includes a control system. The control system is installed inside the device housing (10). The control system is signal-connected to the tool (9) and the second motor (7) and controls the operation of the second motor (7).

9. A portable bamboo electric self-rotating and revolving veneer cutting device according to claim 1, characterized in that: Self-locking buckles are arranged on both of the two sub-housings. The two sub-housings can be locked to each other through the self-locking buckles to form the device housing (10).

10. A method for using a portable electric self-rotating and revolving bamboo cutting device, characterized in that: Applying a portable electric self-rotating and orbiting bamboo cutting device as claimed in claim 6, the specific steps are as follows: Step a: Separate the device housing (10) into two sub-housings, place the target bamboo between the two sub-housings, and then combine the two sub-housings into the device housing (10). The semi-gear one (3) and the semi-gear two (4) are combined to form an annular gear, and the target bamboo is located in the cutting chamber. Step b: Lift the portable electric self-rotating and orbiting bamboo cutting device to near the cutting position and clamp the bamboo through the clamping structure. Step c: Start the second motor (7) to drive the tool (9) to rotate. Then turn on the first motor (1) to make the first motor (1) rotate forward, driving the pinion (2) to rotate. The pinion (2) meshes with the annular gear and rotates. The pinion (1) drives the support plate (8), the second motor (7), the tool (9) and the feed guide rod (5) to orbit around the annular gear. The feed guide rod (5) moves along the inner side surface of the annular gear in a threaded manner. The inner diameter of the annular gear gradually changes, so that while the feed guide rod (5) moves vertically, it generates a lateral thrust on the motor housing (6), thereby causing the second motor (7) and the tool (9) to move horizontally towards the center of the cutting chamber. The tool (9) gradually contacts the bamboo and starts cutting until the bamboo is cut off. Then turn off the first motor (1) and the second motor (7), and the tool (9) stops moving. Step d: Control the first motor (1) to rotate in reverse until the tool returns to the initial position, release the clamping structure, separate the device housing (10) into two sub-housings, and remove it from the bamboo.

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