Bamboo sawing machine with adjustable cutting length

Abstract

The utility model discloses a bamboo sawing machine with an adjustable cutting length, which belongs to the technical field of bamboo processing and comprises a liftable saw blade component used for cutting bamboos. The feeding assembly is used for supporting and limiting fed bamboos; the mounting frame is used for mounting the saw blade assembly and the feeding assembly; the travel switch assembly comprises a fixing plate, a movable limiting plate, a trigger piece and a travel switch, the travel switch is installed on the fixing plate, the trigger piece is installed on the movable limiting plate, the movable limiting plate is movably connected with the fixing plate, and the distance between the movable limiting plate and the mounting frame and the distance between the fixing plate and the mounting frame are adjustable; the movable limiting plate is used for limiting the front end of fed bamboos and is pushed by the bamboos to be close to the fixing plate, and then the triggering piece is driven to make contact with the travel switch to start the saw blade assembly to cut the bamboos. According to the utility model, the structure is effectively simplified, the manufacturing cost is reduced, and meanwhile, the preset cutting length can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of bamboo processing, in particular to a bamboo sawing machine with adjustable cutting length. Background Art

[0002] In the field of bamboo processing technology, bamboo needs to be cut into segments, and a bamboo sawing machine is usually used to saw the bamboo into segments of a desired length. For example, a bamboo sawing machine with adjustable cutting length is disclosed in Chinese patent publication number CN209718024U, which can adjust the bamboo to different preset lengths for sawing.

[0003] However, the bamboo sawing machine of the existing equipment is relatively complex in structure, and the operation of adjusting the preset cutting length is not very convenient, the adjustment range is limited, and it is not convenient to add parts according to needs to extend the preset cutting length. Utility Model Content

[0004] One purpose of the utility model is to provide a bamboo sawing machine with adjustable cutting length, which can effectively simplify the structure and reduce the manufacturing cost while being able to conveniently adjust the preset cutting length.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A bamboo sawing machine with adjustable cutting length, comprising:

[0007] A saw blade assembly, the saw blade assembly is used for cutting bamboo;

[0008] Feeding assembly, which is used to support and limit the bamboo to be cut;

[0009] A mounting frame, the mounting frame is used to install the saw blade assembly and the feed assembly;

[0010] The travel switch assembly is arranged on one side of the saw blade assembly in the discharge direction and the distance relative to the saw blade assembly is adjustable. The travel switch assembly includes a fixed plate, a movable limit plate, a trigger and a travel switch. The travel switch is installed on the fixed plate, and the trigger is installed on the movable limit plate. The movable limit plate is movably connected to the fixed plate. The movable limit plate is used to contact the end face of the bamboo to be cut and can be pushed close to the fixed plate by the bamboo to be cut, thereby driving the trigger to contact the travel switch and start the saw blade assembly through the travel switch to cut the bamboo.

[0011] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, the bamboo sawing machine with adjustable cutting length also includes a supporting beam and a limiting assembly, the first end of the supporting beam is connected to the mounting frame, and the fixing plate is slidably arranged on the supporting beam and is limited and fixed by the limiting assembly.

[0012] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, the limiting assembly includes a limiting cylinder and a locking bolt, the limiting cylinder is sleeved on the supporting beam, the fixing plate is connected to the limiting cylinder, and the locking bolt is used to pass through the side wall of the limiting cylinder and tighten the supporting beam to lock the limiting cylinder on the supporting beam.

[0013] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, a supporting beam is provided with a plurality of auxiliary discharging parts arranged along its length direction, a first end of the auxiliary discharging part is connected to the supporting beam, a second end of the auxiliary discharging part is tilted downward, and a second limit plate is slidingly provided on the supporting beam, the second limit plate is used to abut against the side of the column to be cut and limit the falling direction of the column after being cut to the direction toward the auxiliary discharging part, so that the bamboo falls onto the auxiliary discharging part for discharging after being cut.

[0014] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, the supporting beam is provided with multiple sections, and two adjacent sections of the supporting beam are spliced together by a connecting sleeve.

[0015] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, a connecting plate is provided on one side of the fixed plate, the connecting plate is arranged at an angle relative to the fixed plate, and the movable limiting plate is hinged to the connecting plate.

[0016] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, a compression spring is provided between the movable limiting plate and the fixed plate, and the compression spring is used to elastically drive the movable limiting plate to move in a direction away from the fixed plate.

[0017] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, the saw blade assembly includes a saw blade, a first motor and a lifting drive assembly, the first motor is used to drive the saw blade to rotate, and the lifting drive assembly is used to drive the saw blade to rise and fall.

[0018] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, the lifting drive assembly includes a bracket, a support rod, a second motor, a reducer, a connecting rod and a rocker arm. The saw blade is installed through a bearing seat preset at the first end of the bracket. The bottom end of the support rod is connected to the mounting frame. The top end of the support rod is used to hinge with the middle part of the bracket. The first end of the rocker arm is hinged to the second end of the bracket. The second end of the rocker arm is hinged to the first end of the connecting rod. The second end of the connecting rod is connected to the output shaft of the reducer. The reducer is connected to the second motor. The second motor and the reducer are both installed on the mounting frame.

[0019] In one or more embodiments of the bamboo sawing machine with adjustable cutting length, the feed assembly includes a feed support plate and a first limit plate. The feed support plate is arranged on the mounting frame, and the feed support plate is used to support the bamboo to be cut. The first limit plate is arranged on the mounting frame and is located next to the feed support plate. The first limit plate is used to limit one side or both sides of the bamboo to be cut.

[0020] The utility model has the following beneficial effects:

[0021] The utility model installs the saw blade assembly and the feeding assembly through a mounting frame, cuts bamboo through the saw blade assembly, and at the same time, a travel switch assembly with an adjustable distance between the relative saw blade assemblies is set, the movable limit plate and the fixed plate of the travel switch assembly are movably connected and the distance between the two is adjustable, a triggering member is installed on the movable limit plate, and a travel switch is installed on the fixed plate, the movable limit plate is used to limit the front end of the fed bamboo and is pushed by the bamboo to approach the fixed plate, thereby driving the triggering member to contact the travel switch to start the saw blade assembly to cut the bamboo, so that the distance between the movable limit plate and the saw blade assembly is the preset length of the bamboo cutting segment, so the preset cutting segment length of the bamboo can be adjusted by adjusting the position of the travel switch assembly, the adjustment is very convenient, and the position restriction range of the travel switch assembly is small, which can facilitate the travel switch assembly to arbitrarily arrange the adjustment position within a sufficiently large range to achieve adjustment of different preset cutting lengths.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above. In addition to the purposes, features, and advantages described above, the present invention has other purposes, features, and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0025] Figure 2 It is a schematic diagram of the installation structure of the saw blade of the preferred embodiment of the utility model.

[0026] Figure 3 It is a schematic diagram of the installation structure of the bracket of the preferred embodiment of the utility model.

[0027] Figure 4 It is a schematic diagram of the installation structure of the connecting rod and the rocker arm in the preferred embodiment of the utility model.

[0028] Figure 5 It is a schematic diagram of the installation position of the travel switch of the preferred embodiment of the utility model.

[0029] Figure 6 It is a schematic diagram of the installation of the movable limiting plate of the preferred embodiment of the utility model.

[0030] Legend: 1. Auxiliary discharge part; 2. Mounting frame; 3. Support rod; 4. First motor; 5. Bracket; 6. Saw blade; 7. Protective cover; 8. First limit plate; 9. Feed support plate; 10. Movable limit plate; 11. Fixed plate; 12. Support beam; 13. Second limit plate; 14. Bearing seat; 15. Driven pulley; 16. Driving pulley; 17. Electric control box; 18. Rocker arm; 19. Connecting rod; 20. Reducer; 21. Second motor; 22. Trigger; 23. Travel switch; 24. Compression spring; 25. Connecting plate. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in a variety of different ways as defined and covered below.

[0032] Please refer to the attached drawing, which is a structural diagram of a preferred embodiment of a bamboo sawing machine with adjustable cutting length provided by the present invention.

[0033] A bamboo sawing machine with adjustable cutting length, comprising:

[0034] A liftable saw blade assembly, the saw blade assembly is used for cutting bamboo;

[0035] Feeding assembly, which is used to support and limit the feeding bamboo;

[0036] Feeding assembly, which is used to support and limit the bamboo to be cut;

[0037] Mounting frame 2, which is used to mount the saw blade assembly and the feed assembly;

[0038] The travel switch assembly is arranged on one side of the saw blade assembly in the discharge direction and the distance relative to the saw blade assembly is adjustable. The travel switch assembly includes a fixed plate 11, a movable limit plate 10, a trigger 22 and a travel switch 23. The travel switch 23 is installed on the fixed plate 11, and the trigger 22 is installed on the movable limit plate 10. The movable limit plate 10 is movably connected to the fixed plate 11. The movable limit plate 10 is used to abut against the end face of the bamboo to be cut and can be pushed close to the fixed plate 11 by the bamboo to be cut, thereby driving the trigger 22 to contact the travel switch 23 and start the saw blade assembly to cut the bamboo through the travel switch 23.

[0039] The "trigger member 22" here means a structure connected to the movable limit plate 10 for triggering the limit switch 23. In some embodiments, the trigger member 22 is a rod-shaped or rod-shaped structure. When the trigger member 22 contacts the limit switch 23, the limit switch 23 can be triggered, and then a signal is transmitted to the electrical control box 17 to start the saw blade assembly to lift and cut bamboo.

[0040] The utility model installs the saw blade assembly and the feeding assembly through the mounting frame 2, and cuts bamboo through the saw blade assembly. At the same time, a travel switch assembly with an adjustable distance between the relative saw blade assemblies is set, and the movable limit plate 10 and the fixed plate 11 of the travel switch assembly are movably connected and the distance between the two is adjustable. A trigger member 22 is installed on the movable limit plate 10, and a travel switch 23 is installed on the fixed plate 11. The movable limit plate 10 is used to limit the front end of the fed bamboo and is pushed by the bamboo to approach the fixed plate 11, thereby driving the trigger member 22 to contact the travel switch 23 to start the saw blade assembly to cut the bamboo. The distance between the movable limit plate 10 and the saw blade assembly is the preset length of the bamboo cutting segment. Therefore, the preset cutting segment length of the bamboo can be adjusted by adjusting the position of the travel switch assembly. The adjustment is very convenient, and the position restriction range of the travel switch assembly is small, which can facilitate the travel switch assembly to arbitrarily arrange the adjustment position within a sufficiently large range to achieve adjustment of different preset cutting lengths.

[0041] Preferably, please refer to Figure 1 and 2 As shown, the bamboo sawing machine with adjustable cutting length also includes a supporting beam 12 and a limiting assembly. The first end of the supporting beam 12 is connected to the mounting frame 2, and the fixing plate 11 is slidably set on the supporting beam 12 and is fixed by the limiting assembly.

[0042] It is understood that the travel switch assembly is mounted on the support beam 12 via the fixing plate 11. The travel switch assembly can be limited in position by the support beam 12, and the distance between the travel switch assembly and the mounting bracket 2 can be adjusted by sliding the fixing plate 11. Since the second end of the support beam 12 is movable, a new section of the support beam 12 can be installed at the second end of the support beam 12 to extend the length, thereby increasing the adjustable length of the travel switch assembly in the limited position.

[0043] It should be noted that the length direction of the supporting beam 12 is arranged along the feeding direction of the bamboo.

[0044] Preferably, please refer to Figure 1 and 2 As shown, the limiting assembly includes a limiting cylinder and a locking bolt. The limiting cylinder is sleeved on the supporting beam 12, and the fixing plate 11 is connected to the limiting cylinder. The locking bolt is used to pass through the side wall of the limiting cylinder and tighten the supporting beam 12 to lock the limiting cylinder on the supporting beam 12.

[0045] It can be understood that the fixed plate 11 is mounted on the supporting beam 12 through a limiting cylinder, and the limiting cylinder is tightened and limited to any position of the supporting beam 12 by a locking bolt. Therefore, the position of the fixed plate 11 can be adjusted by sliding the limiting cylinder, and then the position of the travel switch assembly can be adjusted. The connection structure is simple and the operation is very convenient.

[0046] It should be noted that a support rod or support column can be provided at the bottom of the fixed plate 11 for supporting purpose. Of course, in the solution where the support beam 12 is not provided, the support rod or support column can also play a supporting role for the entire travel switch assembly.

[0047] Preferably, please refer to Figure 1 and 2 As shown, the supporting beam 12 is provided with a plurality of auxiliary discharging parts 1 arranged along its length direction, the first end of the auxiliary discharging part 1 is connected to the supporting beam 12, the second end of the auxiliary discharging part 1 is tilted downward, and a second limiting plate 13 is slidingly provided on the supporting beam 12, and the second limiting plate 13 is used to abut against the side of the column to be cut and limit the falling direction of the cut column to the direction of the auxiliary discharging part 1, so that the bamboo falls onto the auxiliary discharging part 1 for discharging after being cut.

[0048] It is understood that after being cut, the bamboo falls under the action of gravity. The tilted auxiliary discharge member 1 not only acts as a buffer, but also guides the bamboo out of the way, facilitating the discharge and storage of the bamboo segments. The second limiting plate 13 limits the bamboo on the side opposite the auxiliary discharge member 1, ensuring that the cut bamboo falls onto the auxiliary discharge member 1 for discharge. Of course, the second limiting plate 13 can also cooperate with the first limiting plate 8 of the feed assembly to limit the opposite sides of the bamboo, assisting in feeding the bamboo and ensuring its stability during the cutting process.

[0049] Alternatively, see Figure 2 As shown, the support beam 12 is provided with multiple sections, and two adjacent sections of the support beam 12 are spliced together by connecting sleeves. In some embodiments, the support beam 12 is a hollow structure.

[0050] It can be understood that the hollow structure of the support beam 12 can facilitate the routing and storage of the wires of the limit switch 23. Since the electric control box 17 is installed on the mounting frame 2, there is a certain distance between the limit switch 23 and the mounting frame 2. Therefore, the hollow cavity of the support beam 12 can facilitate the routing and storage of the longer wires between the limit switch 23 and the electric control box 17, which is beneficial to improving the overall appearance of the device, and realizes the shielding protection of the wires and improves safety.

[0051] In one embodiment, see Figure 6As shown, a connecting plate 25 is provided on one side of the fixed plate 11 . The connecting plate 25 is provided at an angle relative to the fixed plate 11 , and the movable limiting plate 10 is hinged to the connecting plate 25 .

[0052] It can be understood that in this embodiment, the movable limiting plate 10 is connected to the fixed plate 11 through the connecting plate 25. The connecting plate 25 is perpendicular to the side wall of the fixed plate 11, and the movable limiting plate 10 is hinged to the connecting plate 25. Therefore, there is a certain distance between the movable limiting plate 10 and the fixed plate 11, and this distance is variable. Therefore, when the front end of the bamboo touches the movable limiting plate 10 and pushes the movable limiting plate 10 toward the fixed plate 11, it can drive the trigger 22 on the movable limiting plate 10 to release the travel switch 23 on the fixed plate 11.

[0053] Optionally, an avoidance hole is opened on the fixed plate 11, and the limit switch 23 is set at the avoidance hole. When the movable limit plate 10 is pushed, the trigger member 22 is driven to pass through the avoidance hole and contact the limit switch 23, so that the limit switch 23 can be triggered smoothly, and the overall structure of the limit switch assembly is made more compact.

[0054] Alternatively, see Figure 6 As shown, a compression spring 24 is provided between the movable limiting plate 10 and the fixed plate 11 , and the compression spring 24 is used to elastically drive the movable limiting plate 10 to move in a direction away from the fixed plate 11 .

[0055] It is understood that the compression spring 24 not only provides a buffering and protective effect for the movable stop plate 10, but also functions as a limiter between the movable stop plate 10 and the fixed plate 11, ensuring that the movable stop plate 10 remains vertical and parallel to the fixed plate 11 when not in contact with the front end of the bamboo. This helps to improve the adjustment accuracy of the preset length between the movable stop plate 10 and the saw blade assembly. In addition, the compression spring 24 also assists in resetting the movable stop plate 10 after being pushed.

[0056] Of course, when the movable limiting plate 10 is hinged to the connecting plate 25 through a torsion spring, there is no need to set a compression spring 24, but a compression spring 24 can be installed as needed to play a buffering protection and limiting role to reduce the force on the torsion spring and extend the life of the components.

[0057] Preferably, please refer to Figure 2 As shown, the saw blade assembly includes a saw blade 6, a first motor 4 and a lifting drive assembly. The first motor 4 is used to drive the saw blade 6 to rotate, and the lifting drive assembly is used to drive the saw blade 6 to rise and fall.

[0058] It can be understood that the driving source of the saw blade 6 is the first motor 4, and the lifting drive assembly can drive the saw blade 6 and the first motor 4 to lift and lower as a whole, thereby realizing the bamboo cutting operation.

[0059] It should be noted that the first motor 4 is connected to the driven pulley 15 of the saw blade 6 through a double belt using a driving pulley 16. The use of double belt transmission has a better anti-error protection effect. When one of the belts breaks, the first motor 4 can still drive the saw blade 6 to operate through the other belt, which has a dual protection function.

[0060] Preferably, please refer to Figure 3 and Figure 4 As shown, the lifting drive assembly includes a bracket 5, a support rod 3, a second motor 21, a reducer 20, a connecting rod 19 and a rocker arm 18. The saw blade 6 is installed through a bearing seat 14 preset at the first end of the bracket 5. The bottom end of the support rod 3 is connected to the mounting frame 2, and the top end of the support rod 3 is used to be hinged to the middle part of the bracket 5. The first end of the rocker arm 18 is hinged to the second end of the bracket 5, and the second end of the rocker arm 18 is hinged to the first end of the connecting rod 19. The second end of the connecting rod 19 is connected to the output shaft of the reducer 20, and the reducer 20 is connected to the second motor 21. The second motor 21 and the reducer 20 are both installed on the mounting frame 2.

[0061] As will be appreciated, the bracket 5 swings about the hinge point of the support rod 3, driving the blade 6 to rise and fall via the lever principle. The second motor 21 is connected to the reducer 20, which drives the connecting rod 19 to rotate. The connecting rod 19 then drives the rocker arm 18 to swing back and forth, thereby reciprocating the second end of the bracket 5, causing the blade 6 to rise and fall to cut the bamboo. The reciprocating motion of the bracket 5, driven by the connecting rod 19 and rocker arm 18, utilizes a purely mechanical structure, offering enhanced stability and reliability, as well as ease of maintenance.

[0062] Of course, the present invention does not exclude the solution of using a cylinder or a linear motor as the lifting drive component, which can also drive the saw blade 6 to move up and down to achieve the operation of cutting bamboo.

[0063] Preferably, please refer to Figure 1 As shown, the feed assembly includes a feed support plate 9 and a first limiting plate 8. The feed support plate 9 is arranged on the mounting frame 2. The feed support plate 9 is used to support the bamboo to be cut. The first limiting plate 8 is arranged on the mounting frame 2 and is located next to the feed support plate 9. The first limiting plate 8 is used to limit one side or both sides of the bamboo to be cut.

[0064] It is understood that the feed support plate 9 can support the bamboo being fed and cooperate with the first limit plate 8 to limit the bamboo on one or both sides to ensure the stability of the bamboo feeding. When it is necessary to limit the bamboo on both sides, the first limit plate 8 can be installed on both sides of the bamboo feeding channel on the feed support plate 9. When it is necessary to limit the bamboo on only one side, the first limit plate 8 can be installed on only one side.

[0065] It should be noted that a limiting groove can be provided on the feed support plate 9 to limit the feeding bamboo, which is conducive to improving the stability of bamboo feeding. Rollers can also be provided on the feed support plate 9 to reduce the friction between the bamboo and the feed support plate 9, effectively improving the smoothness of bamboo feeding.

[0066] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0067] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as protection of the present utility model.

Claims

1. A bamboo saw with adjustable cutting length, characterized in that: include: A saw blade assembly, the saw blade assembly is used for cutting bamboo; Feeding assembly, which is used to support and limit the bamboo to be cut; A mounting frame (2), the mounting frame (2) is used to install the saw blade assembly and the feed assembly; The travel switch assembly is arranged on one side of the saw blade assembly in the discharge direction and has an adjustable distance relative to the saw blade assembly. The travel switch assembly comprises a fixed plate (11), a movable limit plate (10), a trigger (22) and a travel switch (23). The travel switch (23) is mounted on the fixed plate (11), the trigger (22) is mounted on the movable limit plate (10), the movable limit plate (10) is movably connected to the fixed plate (11), the movable limit plate (10) is used to abut against the end face of the bamboo to be cut and can be pushed close to the fixed plate (11) by the bamboo to be cut, thereby driving the trigger (22) to contact the travel switch (23) and start the saw blade assembly to cut the bamboo through the travel switch (23).

2. The bamboo sawing machine with adjustable cutting length according to claim 1, characterized in that: The bamboo sawing machine with adjustable cutting length further comprises a supporting beam (12) and a limiting assembly, wherein a first end of the supporting beam (12) is connected to the mounting frame (2), and a fixing plate (11) is slidably arranged on the supporting beam (12) and is fixed in position by the limiting assembly.

3. The bamboo sawing machine with adjustable cutting length according to claim 2, characterized in that: The limiting assembly includes a limiting cylinder and a locking bolt, wherein the limiting cylinder is sleeved on the supporting beam (12), the fixing plate (11) is connected to the limiting cylinder, and the locking bolt is used to pass through the side wall of the limiting cylinder and press against the supporting beam (12) to lock the limiting cylinder on the supporting beam (12).

4. The bamboo sawing machine with adjustable cutting length according to claim 2, characterized in that: A plurality of auxiliary discharging members (1) are arranged along the length direction of the supporting crossbeam (12), the first end of the auxiliary discharging member (1) is connected to the supporting crossbeam (12), the second end of the auxiliary discharging member (1) is tilted downward, and a second limiting plate (13) is slidably provided on the supporting crossbeam (12), the second limiting plate (13) being used to abut against the side of the column to be cut and limit the falling direction of the cut column to the direction toward the auxiliary discharging member (1), so that the bamboo falls onto the auxiliary discharging member (1) for discharging after being cut.

5. The bamboo sawing machine with adjustable cutting length according to claim 2, characterized in that: The supporting crossbeam (12) is provided with multiple sections, and two adjacent sections of the supporting crossbeam (12) are spliced together via a connecting sleeve.

6. The bamboo sawing machine with adjustable cutting length according to claim 1, characterized in that: A connecting plate (25) is provided on one side of the fixed plate (11), the connecting plate (25) is arranged at an angle relative to the fixed plate (11), and the movable limiting plate (10) is hinged to the connecting plate (25).

7. The bamboo sawing machine with adjustable cutting length according to claim 6, characterized in that: A compression spring (24) is provided between the movable limiting plate (10) and the fixed plate (11), and the compression spring (24) is used for elastically driving the movable limiting plate (10) to move in a direction away from the fixed plate (11).

8. The bamboo sawing machine with adjustable cutting length according to claim 1, characterized in that: The saw blade assembly comprises a saw blade (6), a first motor (4) and a lifting drive assembly, wherein the first motor (4) is used to drive the saw blade (6) to rotate, and the lifting drive assembly is used to drive the saw blade (6) to rise and fall.

9. The bamboo sawing machine with adjustable cutting length according to claim 8, characterized in that: The lifting drive assembly comprises a bracket (5), a support rod (3), a second motor (21), a reducer (20), a connecting rod (19) and a rocker arm (18); the saw blade (6) is mounted through a bearing seat (14) preset at the first end of the bracket (5); the bottom end of the support rod (3) is connected to the mounting frame (2); the top end of the support rod (3) is used for hinge connection with the middle part of the bracket (5); the first end of the rocker arm (18) is hinge connection with the second end of the bracket (5); the second end of the rocker arm (18) is hinge connection with the first end of the connecting rod (19); the second end of the connecting rod (19) is connected to the output shaft of the reducer (20); the reducer (20) is connected to the second motor (21); the second motor (21) and the reducer (20) are both mounted on the mounting frame (2).

10. The bamboo sawing machine with adjustable cutting length according to claim 1, characterized in that: The feeding assembly comprises a feeding support plate (9) and a first limiting plate (8), wherein the feeding support plate (9) is arranged on the mounting frame (2), and the feeding support plate (9) is used to support the bamboo to be cut, and the first limiting plate (8) is arranged on the mounting frame (2) and is located next to the feeding support plate (9), and the first limiting plate (8) is used to limit one side or both sides of the bamboo to be cut.

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