CN211590542U - Bamboo tube cutting machine - Google Patents

Abstract

The utility model provides a bamboo tube cutting machine. Comprises a cutting mechanism, a bamboo breaking mechanism, a classifying mechanism and a frame; the cutting mechanism is arranged on the rack; the cutting mechanism comprises a length adjusting device, a cutting device and a waste material groove; the length adjusting device is provided with limiting rods corresponding to different length specifications and used for limiting the length of the workpiece; the cutting device is provided with an electric saw for cutting the workpiece into sections; a waste material groove is formed in the discharging end of the cutting device and used for receiving waste materials; the sorting mechanism is hinged on the rack and is used for sorting and framing the workpieces; the bamboo breaking mechanism is erected above the sorting mechanism and located below the discharge end of the cutting mechanism and used for bearing the cut workpieces and performing half-cutting. The utility model discloses a set up length adjustment device and sorting mechanism, promoted the uniformity of product specification, alleviateed the intensity of labour of workman's letter sorting bamboo piece simultaneously, promoted work efficiency.

Description

Bamboo tube cutting machine

Technical Field

The utility model relates to a bamboo article processing field, concretely relates to thick bamboo tube cutting machine.

Background

Bamboo products are an essential part in daily life, products such as bamboo chopsticks, bamboo mats, bamboo pen containers and the like are used by every family, and before the bamboo products are produced, bamboos are cut to obtain bamboo tubes or bamboo blocks with required lengths. The traditional cutting method is that after the bamboo is measured, the bamboo is cut by an electric saw, which wastes time and labor, and the manual measurement has larger error, which is not beneficial to ensuring the consistency of products; on one hand, when bamboos with different lengths need to be cut, manual sorting is needed, so that the labor intensity of workers is increased, and the working efficiency is reduced; on the other hand, can produce a large amount of bamboo joint waste materials during the cutting thick bamboo tube, need the manual work to distinguish waste material and product, increased workman's intensity of labour, be unfavorable for promoting production efficiency.

In view of the above, there is a need for a bamboo tube cutting machine to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thick bamboo tube cutting machine to solve thick bamboo tube cutting and the categorised problem of cutting back bamboo chip specification.

In order to realize the purpose, the utility model provides a bamboo tube cutting machine, which comprises a cutting mechanism, a bamboo breaking mechanism, a sorting mechanism and a frame; the cutting mechanism is arranged on the rack; the cutting mechanism comprises a length adjusting device, a cutting device and a waste material groove; the length adjusting device is provided with limiting rods corresponding to different length specifications and used for limiting the length of the workpiece; the cutting device is provided with an electric saw for cutting the workpiece into sections; a waste material groove is formed in the discharging end of the cutting device and used for receiving waste materials;

the sorting mechanism is hinged on the rack and is used for sorting and framing the workpieces; the bamboo breaking mechanism is erected above the sorting mechanism and located below the discharge end of the cutting mechanism and used for bearing the cut workpieces and performing half-cutting.

Preferably, the length adjusting device comprises a rotating shaft, a fixed rod and at least two groups of adjusting and limiting single pieces for limiting workpieces of different specifications, and each adjusting and limiting single piece comprises a limiting rod, an extension spring, a return spring and an adjusting pedal;

the rotating shaft is horizontally arranged on the rack; the limiting rods are sleeved on the rotating shaft through bearings in sequence and used for enabling the limiting rods to rotate around the rotating shaft;

the fixed rod is arranged on the rack; the fixing rod is provided with a horizontal cross rod, the adjusting pedals are hinged to the horizontal cross rod of the fixing rod, and the middle parts of the adjusting pedals are connected to the limiting rod through extension springs and used for pulling the limiting rod to move through the adjusting pedals; the limiting rod is connected to the horizontal cross rod of the fixing rod through a return spring and used for pulling the limiting rod to reset.

Preferably, the cutting device comprises an electric saw, a rotating plate, a pressure bar wheel and a handle; the middle part of the rotating plate is hinged to the top of the rack; the electric saw is arranged on one side of the rotating plate and used for cutting the workpiece into sections; the bottom of the rotating plate is provided with a pressure rod wheel, and the bottom of the pressure rod wheel is over against the joint of the limiting rod and the reset spring and is used for pressing the limiting rod downwards to reset the limiting rod when a workpiece is cut; the rotating plate is provided with a lifting handle for pressing and lifting the cutting device.

Preferably, the waste material groove comprises a connecting rod, a chute, a return spring and a traction rope; one end of the connecting rod is arranged on the rack, and the other end of the connecting rod is hinged with the middle part of the sliding chute; the sliding chute is obliquely arranged on one side of the rack and is used for enabling the waste to automatically slide down; one end of the return spring is connected to the discharge end of the chute, and the other end of the return spring is connected to the rack and used for adjusting the position of the chute; one end of the traction rope is connected to the inlet end of the sliding groove, and the other end of the traction rope is connected to the adjusting pedal corresponding to the shortest workpiece specification limiting rod through a pulley so as to achieve the elimination of the short bamboo joint waste.

Preferably, the bamboo breaking mechanism comprises a conveying mechanism, a conveying groove, a bamboo breaking knife and a baffle; the conveying mechanism is arranged at the bottom of the material conveying groove and used for driving the bamboo tube to do linear motion in the material conveying groove; the bamboo breaking knife is arranged at the discharge end of the material conveying groove and is used for half-cutting the workpiece; the baffle is connected at the discharge end of defeated silo for block the work piece after broken bamboo sword cutting.

Preferably, the conveying mechanism is provided with a pushing tooth for pushing the workpiece to move towards the bamboo breaking knife.

Preferably, the cross section of the material conveying groove along the material conveying direction is V-shaped, so that the workpiece is limited to move left and right in the material conveying groove.

Preferably, the sorting mechanism comprises a rotating rod, an inner rod, an angle adjusting plate, a bearing plate, a rotating rod and a rolling wheel; the rotating rod is sleeved on the inner rod and used for realizing the relative rotation of the rotating rod and the inner rod; the first end of the inner rod is fixedly connected with the first end of the support plate; the first end of the supporting plate is hinged with the rack through a rotating rod so as to realize the rotation of the supporting plate on the rack; the angle adjusting plate is arranged at the first end of the supporting plate and used for realizing synchronous rotation of the angle adjusting plate and the supporting plate; the rolling wheels are arranged at the bottom of the bearing plate and used for supporting the bearing plate.

Preferably, the angle adjusting plate is provided with a limiting tooth for adjusting the rotation angle of the sorting mechanism.

Preferably, the first end of the rotating rod is provided with a clamping jaw which is used for being matched with the limiting teeth to adjust the rotating angle of the sorting mechanism; a clamping spring is connected between the rotating rod and the inner rod and used for realizing the tight fit of the clamping jaw and the limiting teeth; the second end of dwang is equipped with pedal for realize dwang and interior pole relative rotation.

Use the technical scheme of the utility model, following beneficial effect has:

(1) in the utility model, by arranging the length adjusting device, each limiting rod corresponds to one specification, so that the bamboo tubes of each specification have the same length, and the consistency of products is improved; through setting up sorting mechanism, make the bamboo piece of different specifications drop into different bamboo baskets, do not need the manual work to sort the bamboo piece again, alleviateed workman's intensity of labour, promoted work efficiency.

(2) The utility model discloses in, through setting up the waste material groove, make the automatic landing of bamboo joint waste material, part waste material and thick bamboo tube, do not need manual sorting again, alleviateed workman's intensity of labour, promote production efficiency.

(3) The utility model discloses in, through setting up the defeated silo of V type and propelling movement tooth, make the thick bamboo tube drop and can not control the drunkenness behind defeated silo, the thick bamboo tube drives to broken bamboo sword motion through the propelling movement tooth, and the baffle is touched after the bamboo billet departure, falls to the bamboo basket in, can prevent that the bamboo billet from scattering.

(4) The utility model discloses in, through the cooperation of dwang and interior pole, can make the jack catch centre gripping on the dwang in angle adjusting plate's different radian positions to adjustment conveying mechanism's turned angle makes the thick bamboo tube among the conveying mechanism fall to different bamboo baskets after broken bamboo knife cutting, thereby realizes falling into different bamboo baskets to the bamboo piece of different length specifications, different thick bamboo tube wall thickness specifications and classify.

(5) The angle adjusting plate is provided with a plurality of limiting teeth, so that the multi-gear adjustment of the rotation angle of the conveying mechanism can be realized.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic structural view of a bamboo tube cutting machine according to the present application;

FIG. 2 is a schematic structural view of the sectioning mechanism;

FIG. 3 is a side view of the sectioning mechanism;

FIG. 4 is a schematic view of the structure of the length adjustment device;

FIG. 5 is a schematic structural view of a bamboo breaking mechanism;

FIG. 6 is a schematic view of the feed chute;

FIG. 7 is a schematic view of the structure of the sorting mechanism;

FIG. 8 is a top view of the sorting mechanism;

FIG. 9 is a schematic view of the rotation rod being engaged with the angle adjustment plate for limiting;

figure 10 is a schematic view of a swivelling lever in cooperation with an inner lever;

FIG. 11 is a schematic view of the stop lever;

the automatic cutting machine comprises a cutting mechanism 1, a cutting mechanism 11, a length adjusting device 111, a limiting rod 112, a rotating shaft 113, a fixing rod 114, an extension spring 115, a return spring 116, an adjusting pedal 117, an adjusting limiting single piece 12, a cutting device 121, an electric saw 122, a rotating plate 123, a pressure bar wheel 124, a handle 13, a waste trough 131, a connecting rod 132, a sliding trough 133, a return spring 134, a traction rope 2, a bamboo breaking mechanism 21, a conveying mechanism 211, a pushing tooth 22, a conveying trough 23, a bamboo breaking knife 24, a baffle plate 3, a classifying mechanism 31, a rotating rod 311, a clamping jaw 312, a clamping spring 313, a pedal 32, an inner rod 33, an angle adjusting plate 331, a limiting tooth 34, a supporting plate 35, a rotating rod 36, a rolling wheel 4 and a rack.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Referring to fig. 1 to 11, the present embodiment is applied to bamboo tube cutting and classification of bamboo block specifications after bamboo tube cutting.

A bamboo tube cutting machine comprises a cutting mechanism 1, a bamboo breaking mechanism 2, a classification mechanism 3 and a rack 4; referring to fig. 1, the cutting mechanism 1 is mounted on a frame 4; the sorting mechanism 3 is hinged on the rack 4 and is used for sorting and framing the workpieces; the bamboo breaking mechanism 2 is erected above the classifying mechanism 3, and the bamboo breaking mechanism 2 is positioned below the discharge end of the segmenting mechanism 1 and used for receiving and half-cutting the bamboo tubes cut into segments;

referring to fig. 2, the cutting mechanism 1 comprises a length adjusting device 11, a cutting device 12 and a waste chute 13; the length adjusting device 11 is arranged on the frame 4 and used for limiting the length of the bamboo tube; the cutting device 12 is provided with an electric saw 121 for cutting the moso bamboo into bamboo tube sections; and a waste material groove 13 is formed at the discharge end of the cutting device 12 and used for receiving waste materials.

Referring to fig. 2 to 4, the length adjusting device 11 includes a rotating shaft 112, a fixing rod 113, and at least two sets of adjusting and limiting units 117 for limiting workpieces of different specifications, where the adjusting and limiting units 117 include a limiting rod 111, an extension spring 114, a return spring 115, and an adjusting pedal 116; bamboo tubes with different length specifications can be cut by arranging limiting rods 111 corresponding to different length specifications in the plurality of groups of adjusting limiting single pieces 117 respectively, in the embodiment, three groups of adjusting limiting single pieces 117 are arranged, and three limiting rods 111 are provided in total, so that bamboo tubes with three length specifications can be cut correspondingly;

the limiting rods 111, the extension springs 114, the return springs 115 and the adjusting pedals 116 in each group of adjusting limiting units 117 are in one-to-one correspondence;

the rotating shaft 112 is horizontally arranged on the frame 4; the three limiting rods 111 are sleeved on the rotating shaft 112 through bearings in sequence so as to enable the limiting rods 111 to rotate around the rotating shaft 112;

the fixing rod 113 is installed on the frame 4; the fixing rod 113 is provided with a horizontal cross rod, three adjusting pedals 116 are hinged to the horizontal cross rod of the fixing rod 113, and the middle parts of the adjusting pedals 116 are connected to the limiting rod 111 through extension springs 114 so as to pull the limiting rod 111 to move through the adjusting pedals 116; the limiting rod 111 is connected to the horizontal cross rod of the fixing rod 113 through a return spring 115, and is used for pulling the limiting rod 111 to reset.

Referring to fig. 2 to 4, the cutting device 12 includes a power saw 121, a rotating plate 122, a pressure bar wheel 123 and a handle 124; the middle part of the rotating plate 122 is hinged at the top of the frame 4; the electric saw 121 is installed at one side of the rotating plate 122 and used for cutting moso bamboos into bamboo tube sections; the bottom of the rotating plate 122 is provided with a press rod wheel 123, and the bottom of the press rod wheel 123 is over against the joint of the limiting rod 111 and the return spring 115, so that the limiting rod 111 is pressed downwards to reset the limiting rod 111 when the bamboo tube is cut; the pivotal plate 122 is provided with a handle 124 for depressing and lifting the cutting device 12.

When the bamboo tube is cut, firstly, the adjusting pedal 116 with the corresponding specification is stepped on, the adjusting pedal 116 pulls the corresponding limiting rod 111 down through the extension spring 114, and one end of the bamboo is abutted to the tail end of the limiting rod 111 to obtain the required specification; the electric saw 121 is pressed downwards to cut the bamboo tube, the pressing rod wheel 123 presses on the limiting rod 111 at the moment, so that the extending limiting end of the limiting rod 111 is lifted and reset, and the structure of the limiting rod 111 is shown in fig. 11.

Referring to fig. 2 to 4, the chute 13 includes a connecting rod 131, a chute 132, a return spring 133, and a pulling rope 134; one end of the connecting rod 131 is mounted on the frame 4, and the other end of the connecting rod 131 is hinged with the middle part of the sliding groove 132; the chute 132 is obliquely arranged on one side of the frame 4 to enable the waste to automatically slide down; one end of the return spring 133 is connected to the discharge end of the chute 132, and the other end of the return spring 133 is connected to the frame 4 to adjust the position of the chute 132; one end of the pulling rope 134 is connected to the inlet end of the sliding groove 132, and the other end of the pulling rope 134 is connected to the adjusting pedal 116 corresponding to the shortest workpiece specification limiting rod 111 through a pulley, so that the short bamboo joint waste can be removed.

When the bamboo joints are cut, the bamboo joints are moved to the position above the sliding groove 132, and the piezoelectric saw 121 is pressed down to cut; when the bamboo joint is short, the bamboo joint is easy to fall into the gap between the chute 132 and the rack 4, at this time, by stepping on the adjusting pedal 116 corresponding to the shortest workpiece specification, the adjusting pedal 116 draws the inlet end of the chute 132 through the pulling rope 134, so that the short bamboo joint waste material falls into the chute 132 after being cut, and after the adjusting pedal 116 is released, the chute 132 returns to the original position due to the elastic force of the return spring 133.

Referring to fig. 5, the bamboo breaking mechanism 2 includes a conveying mechanism 21, a conveying chute 22, a bamboo breaking knife 23 and a baffle 24; the conveying mechanism 21 is arranged at the bottom of the material conveying groove 22 and is used for driving the bamboo tube to do linear motion in the material conveying groove 22; the bamboo breaking knife 23 is arranged at the discharge end of the material conveying groove 22 and is used for half-cutting the bamboo tube; the baffle plate 24 is connected to the discharge end of the material conveying groove 22 and used for blocking the bamboo blocks flying out after being cut by the bamboo breaking knife 23.

Referring to fig. 5, the conveying mechanism 21 is provided with a pushing tooth 211 for pushing the bamboo tube to move towards the bamboo breaking knife 23.

Referring to fig. 6, the cross section of the feeding chute 22 along the feeding direction is V-shaped to limit the bamboo tube from moving left and right in the feeding chute 22.

Referring to fig. 7 and 8, the sorting mechanism 3 includes a rotating lever 31, an inner lever 32, an angle adjusting plate 33, a support plate 34, a rotating lever 35, and a rolling wheel 36; the rotating rod 31 is sleeved on the inner rod 32 and used for realizing the relative rotation of the rotating rod 31 and the inner rod 32; the first end of the inner rod 32 is fixedly connected with the support plate 34; the first end of the supporting plate 34 is hinged with the frame 4 through a rotating rod 35 to realize that the supporting plate 34 rotates on the frame 4; the angle adjusting plate 33 is mounted at a first end of the supporting plate 34 and used for realizing synchronous rotation of the angle adjusting plate 33 and the supporting plate 34; the rolling wheels 36 are mounted on the bottom of the support plate 34 to support the support plate 34.

Referring to fig. 9, the angle adjusting plate 33 is provided with a limit tooth 331 for adjusting the rotation angle of the sorting mechanism 3.

Referring to fig. 10, a first end of the rotating rod 31 is provided with a claw 311 for adjusting the rotating angle of the sorting mechanism 3 in cooperation with a limit tooth 331; a clamping spring 312 is connected between the rotating rod 31 and the inner rod 32 to realize the close fit of the clamping jaw 311 and the limiting tooth 331; a pedal 313 is arranged at the second end of the rotating rod 31 to realize the relative rotation of the rotating rod 31 and the inner rod 32.

When the direction of the conveying mechanism 21 needs to be adjusted, the pedal 313 is stepped down, so that the rotating rod 31 rotates towards the direction that the clamping jaw 311 is far away from the angle adjusting plate 33, the rotating rod 31 is pushed to the position that the clamping jaw 311 reaches the corresponding limiting tooth 331, the pedal 313 is released, and the rotating rod 31 is enabled to clamp the limiting tooth 331 by the clamping jaw 311 under the action of the clamping spring 312; promote dwang 31 again, make dwang 31 drive bearing plate 34 and install conveying mechanism 21 on bearing plate 34 and rotate to the bamboo basket position, can make the bamboo piece of accomplishing the cutting drop to corresponding bamboo basket in to put into the bamboo piece of different specifications in the different bamboo baskets, do not need the manual work to sort again, also accessible classification mechanism 3 carries out classification dress basket when needing to classify to the different thick bamboo wall portions of same mao bamboo.

The use method of the bamboo tube cutting machine comprises the following steps: firstly, arranging bamboo baskets with different specifications on a trajectory line of a discharge end of a material conveying mechanism 21 rotating along with a sorting mechanism 3 according to an arc line, and treading a pedal 313 to rotate the sorting mechanism 3 to a position of the bamboo basket with the specification corresponding to the currently cut bamboo tube; then, the moso bamboos are placed on the frame 4, the adjusting pedal 116 corresponding to the limiting rod 111 with the length specification to be cut is treaded down, the limiting end of the limiting rod 111 rotates to be in contact with one end of the moso bamboos, after the length measurement of the bamboo tube is completed, the adjusting pedal 116 can be loosened, the limiting rod 111 returns to the original position under the action of the reset spring 115, the rotating plate 122 and the electric saw 121 can be pulled down directly through the lifting handle 124 to directly cut the moso bamboos, and the limiting rod 111 returns to the original position under the action of the pressure rod wheel 123; after the moso bamboo is cut into bamboo tubes, the bamboo tubes fall into a V-shaped conveying chute 22 of a conveying mechanism 21, and the bamboo tubes rapidly move towards a bamboo breaking knife 23 under the pushing of pushing teeth 211, so that the half-cutting of the bamboo tubes is completed; the bamboo blocks are rushed towards the bamboo blocking plate 24, and the bamboo blocking plate 24 blocks the bamboo blocks from moving, so that the bamboo blocks fall into the bamboo basket.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bamboo tube cutting machine is characterized by comprising a cutting mechanism (1), a bamboo breaking mechanism (2), a classifying mechanism (3) and a rack (4); the cutting mechanism (1) is arranged on the rack (4); the cutting mechanism (1) comprises a length adjusting device (11), a cutting device (12) and a waste material groove (13); the length adjusting device (11) is provided with limiting rods (111) corresponding to different length specifications and used for limiting the length of a workpiece; the cutting device (12) is provided with an electric saw (121) for cutting a workpiece into sections; a waste material groove (13) is formed in the discharging end of the cutting device (12) and used for receiving waste materials;

the sorting mechanism (3) is hinged on the rack (4) and is used for sorting and framing the workpieces; the bamboo breaking mechanism (2) is erected above the sorting mechanism (3), and the bamboo breaking mechanism (2) is located below the discharge end of the cutting mechanism (1) and used for bearing the cut workpieces and performing half-cutting.

2. The bamboo tube cutting machine according to claim 1, wherein the length adjusting device (11) comprises a rotating shaft (112), a fixing rod (113) and at least two groups of adjusting and limiting units (117) for limiting workpieces with different specifications, and the adjusting and limiting units (117) comprise limiting rods (111), extension springs (114), return springs (115) and adjusting pedals (116);

the rotating shaft (112) is horizontally arranged on the rack (4); the limiting rods (111) are sleeved on the rotating shaft (112) sequentially through bearings so that the limiting rods (111) can rotate around the rotating shaft (112);

the fixed rod (113) is arranged on the rack (4); the fixing rod (113) is provided with a horizontal cross rod, the adjusting pedals (116) are hinged to the horizontal cross rod of the fixing rod (113), and the middle parts of the adjusting pedals (116) are connected to the limiting rod (111) through extension springs (114) and used for pulling the limiting rod (111) to move through the adjusting pedals (116); the limiting rod (111) is connected to the horizontal cross rod of the fixing rod (113) through a return spring (115) and used for pulling the limiting rod (111) to reset.

3. Bamboo tube cutting machine according to claim 2, characterized in that the cutting device (12) comprises an electric saw (121), a turning plate (122), a press bar wheel (123) and a handle (124); the middle part of the rotating plate (122) is hinged to the top of the rack (4); the electric saw (121) is arranged on one side of the rotating plate (122) and is used for cutting a workpiece into sections; the bottom of the rotating plate (122) is provided with a pressure rod wheel (123), the bottom of the pressure rod wheel (123) is over against the joint of the limiting rod (111) and the reset spring (115) so as to press the limiting rod (111) downwards to reset the limiting rod (111) when a workpiece is cut; the pivotal plate (122) is provided with a handle (124) for depressing and lifting the cutting device (12).

4. Bamboo tube cutting machine according to claim 3, characterized in that the chute (13) comprises a connecting rod (131), a chute (132), a return spring (133) and a pulling rope (134); one end of the connecting rod (131) is installed on the rack (4), and the other end of the connecting rod (131) is hinged with the middle of the sliding groove (132); the sliding chute (132) is obliquely arranged on one side of the rack (4) and is used for enabling the waste to automatically slide down; one end of the return spring (133) is connected to the discharge end of the chute (132), and the other end of the return spring (133) is connected to the frame (4) and used for adjusting the position of the chute (132); one end of the traction rope (134) is connected to the inlet end of the sliding groove (132), and the other end of the traction rope (134) is connected to an adjusting pedal (116) corresponding to the shortest workpiece specification limiting rod (111) through a pulley so as to achieve removal of short bamboo joint waste.

5. The bamboo tube cutting machine according to claim 1, wherein the bamboo breaking mechanism (2) comprises a conveying mechanism (21), a conveying chute (22), a bamboo breaking knife (23) and a baffle plate (24); the conveying mechanism (21) is arranged at the bottom of the material conveying groove (22) and is used for driving the bamboo tube to do linear motion in the material conveying groove (22); the bamboo breaking knife (23) is arranged at the discharge end of the material conveying groove (22) and is used for half-cutting the workpiece; the baffle (24) is connected to the discharge end of the material conveying groove (22) and used for blocking the workpiece cut by the bamboo breaking knife (23).

6. Bamboo tube cutting machine according to claim 5, characterized in that the conveying mechanism (21) is provided with pushing teeth (211) for pushing the workpiece to move towards the bamboo breaking knife (23).

7. Bamboo tube cutting machine according to claim 6, characterized in that the cross-section of the feed chute (22) in the feeding direction is V-shaped to limit the left and right play of the workpiece in the feed chute (22).

8. The bamboo tube cutting machine according to claim 1, wherein the sorting mechanism (3) comprises a rotating rod (31), an inner rod (32), an angle adjusting plate (33), a support plate (34), a rotating rod (35) and a rolling wheel (36); the rotating rod (31) is sleeved on the inner rod (32) and used for realizing the relative rotation of the rotating rod (31) and the inner rod (32); the first end of the inner rod (32) is fixedly connected with the first end of the support plate (34); the first end of the supporting plate (34) is hinged with the rack (4) through a rotating rod (35) so as to realize that the supporting plate (34) rotates on the rack (4); the angle adjusting plate (33) is arranged at the first end of the supporting plate (34) and used for realizing synchronous rotation of the angle adjusting plate (33) and the supporting plate (34); the rolling wheels (36) are arranged at the bottom of the bearing plate (34) and used for supporting the bearing plate (34).

9. Bamboo tube cutting machine according to claim 8, characterized in that the angle adjusting plate (33) is provided with a limit tooth (331) for adjusting the rotation angle of the sorting mechanism (3).

10. The bamboo tube cutting machine according to claim 9, wherein the first end of the rotating rod (31) is provided with a claw (311) for adjusting the rotating angle of the sorting mechanism (3) in cooperation with a limit tooth (331); a clamping spring (312) is connected between the rotating rod (31) and the inner rod (32) and used for realizing the tight fit of the clamping jaw (311) and the limiting tooth (331); the second end of dwang (31) is equipped with pedal (313) for realize dwang (31) and interior pole (32) relative rotation.

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