Bamboo cutting machine

Abstract

The utility model discloses a bamboo felling machine, and relates to the technical field of bamboo felling with the controllable bamboo dumping direction, the bamboo felling machine comprises a shell, a crank connecting rod mechanism assembly and sawteeth, the crank connecting rod mechanism assembly comprises a cross arm, an upper vertical arm, a lower vertical arm, a first guide piece and a second guide piece, the shell is provided with a rotating disc capable of rotating forwards and backwards, and the rotating disc is provided with a plurality of sawteeth. The rotating disc drives the cross arm to rotate; a U-shaped groove is further formed in the shell, a guide groove is formed in the end, away from the shell, of the U-shaped groove, and a sliding block is arranged at the bottom end of the sawteeth and is in sliding connection with the guide groove. According to the bamboo felling machine, the pouring direction of bamboos can be controlled, so that the bamboos can be poured in the direction opposite to the direction where bamboo felling personnel stand, the situation that the bamboo felling personnel are injured by crashing the bamboos in the bamboo felling process is avoided, and the working safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bamboo felling direction controllable bamboo felling technical field, concretely is a kind of bamboo felling machine. BACKGROUND

[0002] Bamboo industry, as the first of ten sunrise industries of Chinese forestry, has become the pillar industry of development in the hilly and mountainous areas of the south. With the progress of science and technology and the implementation of some bamboo forest high-yield cultivation measures, at present, large-scale extensive management bamboo forest becomes intensive management, and the felling of bamboo is an essential link before bamboo is processed into materials. With the vigorous development of bamboo industry, the demand for bamboo materials has also greatly increased. The contradiction between the felling of bamboo and the shortage of labor force and the rise of labor cost is becoming more and more prominent, and the development of bamboo industry is seriously affected. The method of manual cutting with a knife is still the main way at present, but the labor intensity of workers is large, the work efficiency is low, and there are safety hazards. Improper operation of bamboo felling workers may cause the direction of bamboo falling to hit the standing person, thereby causing the situation of pressing the bamboo felling personnel. Meanwhile, some bamboo exists the condition of long bending in the case of self-heating growth, and the bent bamboo exists the phenomenon of center of gravity deviation. For this kind of bamboo with center of gravity deviation, since bamboo has toughness, the bamboo felling personnel may cause the bamboo edge to tear and scratch the surrounding personnel with slight carelessness. In addition, the terrain of bamboo forest mountainous area is complex, and the traditional manual use of curved knife for cutting bamboo has low efficiency and large working intensity.

[0003] At present, there are various tools for cutting bamboo on the market to replace the traditional bamboo felling curved knife. The tools on the market usually adopt powerful bamboo felling scissors assisted by battery and hand-held cutting tools similar to electric saws to cut bamboo. However, these tools only rely on modern energy to reduce the working intensity of bamboo felling personnel. When cutting small diameter bamboo, the bamboo felling personnel can manually control the falling direction of bamboo by holding the bamboo. However, when encountering some large diameter bamboo, there is no reliable method to fix the falling direction of bamboo, and the bamboo felling personnel mostly cut bamboo according to their own experience, which cannot guarantee the safety of bamboo felling personnel through bamboo felling tools. Therefore, a kind of bamboo felling machine is designed to solve the problem of uncontrollable falling direction in the process of cutting bamboo, guarantee the safety of bamboo felling personnel in the process of cutting bamboo, improve the efficiency of cutting bamboo, and reduce the psychological burden of bamboo felling personnel. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the defects of prior art, and provides a kind of bamboo felling machine, in the process of rotation of disc positive rotation or reverse rotation, through crank connecting rod mechanism component, it is driven to be equipped with upper saw tooth, lower saw tooth upper support piece, lower support piece moves along first fixed sliding slot, second fixed sliding slot towards fixed direction, to realize the cutting process of bamboo.

[0005] The utility model discloses a purpose is realized through the following technical schemes: a kind of bamboo cutting machine, the bamboo cutting machine includes shell, crank connecting rod mechanism component and sawtooth, the crank connecting rod mechanism component includes cross arm, upper vertical arm, lower vertical arm, first guide and second guide, the shell is provided with rotatable disc that can be positive and reverse, the rotatable disc is provided with first cylindrical boss, the cross arm is sequentially provided with first sliding slot, second sliding slot and third sliding slot, the first cylindrical boss inserts second sliding slot, the rotatable disc drives cross arm to rotate, the first cylindrical boss can slide along second sliding slot.

[0006] The upper vertical arm bottom is provided with second cylindrical boss, the second cylindrical boss inserts first sliding slot, and second cylindrical boss can slide along first sliding slot, the upper vertical arm is also provided with upper fixed plate, upper rocker arm and upper fixed plate are movably connected, one end of upper support piece is movably connected with upper rocker arm, and the other end is connected with upper sawtooth, the first guide is provided with first fixed sliding slot, and the first guide is movably connected with upper support piece through the first fixed sliding slot, one end of the first guide is connected with the upper vertical arm.

[0007] The lower vertical arm is provided with third cylindrical boss, the third cylindrical boss inserts third sliding slot, and third cylindrical boss can slide along third sliding slot, the lower vertical arm is also provided with lower fixed plate, lower rocker arm and lower fixed plate are movably connected, one end of lower support piece is movably connected with lower rocker arm, and the other end is connected with lower sawtooth, the second guide is provided with second fixed sliding slot, and the second guide is movably connected with lower support piece through the second fixed sliding slot, one end of the second guide is connected with the lower vertical arm.

[0008] The shell is also provided with U-shaped groove, the end of the U-shaped groove away from the shell is provided with guide slot, the bottom end of the sawtooth is provided with sliding block, and the sliding block is slidably connected with the guide slot.

[0009] The cutting position of the sawtooth corresponds to the cutting position of the upper sawtooth and the lower sawtooth, so that the position of the sawtooth cutting is just the angle bisector of the top corner of the triangular gap cut by the upper sawtooth and the lower sawtooth on the other side of the bamboo, so that the bamboo can be completely cut off.

[0010] The end of the guide slot close to the shell is provided with spring, the spring can be manually controlled to stretch and retract, so as to drive the sawtooth to move forward and backward.

[0011] One end of the spring is connected with the guide slot, and the other end is connected with the sliding block.

[0012] The motor includes a stator and a rotor, the stator is fixedly connected with the shell, the rotatable disc is sleeved on the rotor, and the rotatable disc is driven to rotate or reverse by the motor.

[0013] The upper saw tooth is externally provided with an upper saw tooth protective cover, and the lower saw tooth is externally provided with a lower saw tooth protective cover, thereby providing protection for the upper saw tooth and the lower saw tooth.

[0014] The first tension nut is sequentially threaded through the first fixed sliding groove and the upper support, and the first tension nut and the upper support are movable along the first fixed sliding groove; and the third tension nut is sequentially threaded through the second fixed sliding groove and the lower support, and the third tension nut and the lower support are movable along the second fixed sliding groove.

[0015] One end of the first guide is fixedly connected with the upper vertical arm through a second tension nut, and one end of the second guide is fixedly connected with the lower vertical arm through a fourth tension nut.

[0016] The utility model discloses the beneficial effect is:

[0017] 1, the utility model discloses a rotation disc cooperation horizontal arm, upper vertical arm, lower vertical arm, upper swing arm, upper support, lower swing arm, lower support control upper saw tooth and lower saw tooth effectively saw one triangle's gap in the side of bamboo, thereby make the gravity of bamboo shift to the direction of triangle gap, and the other end is by saw tooth to bamboo and carry out horizontal cutting to complete bamboo cutting, realize bamboo dumping direction controllable purpose, like this can make bamboo dump to the opposite direction of bamboo cutting personnel's standing, make bamboo in the process of felling not appear the condition of bruising bamboo cutting personnel, increase the security of work.

[0018] 2, the utility model discloses the tension nut adjustment control upper saw tooth and lower saw tooth direction to be applicable to different diameter's bamboo, and only need three knives to complete bamboo cutting process, compared with traditional manual use curved knife bamboo cutting efficiency improves significantly.

[0019] 3, the utility model discloses can adopt battery as bamboo cutting energy, thereby alleviate the work intensity of bamboo cutting personnel, improve the work efficiency of bamboo cutting personnel. ACCURACY OF DRAWINGS

[0020] Fig. 1 It is the structural schematic diagram of the utility model;

[0021] Fig. 2 It is the structural schematic diagram of horizontal arm, upper vertical arm, upper fixed plate, upper swing arm, upper support and first guide;

[0022] In the drawing: 1 - shell, 2 - rotation disc, 3 - first cylindrical convex, 4 - horizontal arm, 5 - upper vertical arm, 6 - lower vertical arm, 7 - U type groove, 8 - saw tooth, 9 - guide slot, 10 - spring, 11 - upper fixed plate, 12 - upper swing arm, 13 - upper support, 14 - upper saw tooth, 15 - upper saw tooth protective cover, 16 - first guide, 21 - lower fixed plate, 22 - lower swing arm, 24 - lower saw tooth, 25 - lower saw tooth protective cover. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0024] The utility model will be further described below in combination with the drawings and specific embodiments.

[0025] In an embodiment of the present application:

[0026] As Figs. 1-2 shown, a bamboo cutting machine, the bamboo cutting machine includes casing 1, crank connecting rod mechanism assembly and sawtooth 8, crank connecting rod mechanism assembly includes cross arm 4, upper vertical arm 5, lower vertical arm 6, first guide 16 and second guide, the casing 1 is provided with the rotation disc 2 that can be forward and reverse rotation, the rotation disc 2 is provided with the first cylindrical convex 3, the cross arm 4 is sequentially provided with first sliding slot, second sliding slot and third sliding slot, the first cylindrical convex 3 is inserted into second sliding slot, the rotation disc 2 drives the cross arm 4 to rotate, the first cylindrical convex 3 can slide along second sliding slot.

[0027] The upper vertical arm 5 bottom is provided with the second cylindrical convex, the second cylindrical convex is inserted into first sliding slot, and the second cylindrical convex can slide along first sliding slot, so as to achieve the purpose that the upper vertical arm 5 moves along first sliding slot, the upper vertical arm 5 is also provided with upper fixed plate 11, upper swing arm 12 and upper fixed plate 11 are movably connected, one end of upper support 13 is movably connected with upper swing arm 12, and the other end is connected with upper sawtooth 14, first guide 16 is provided with first fixed sliding slot, and first guide 16 is movably connected with upper support 13 through first fixed sliding slot, one end of first guide 16 is connected with upper vertical arm 5, and upper swing arm 12 can drive upper support 13 to move directionally back and forth along first fixed sliding slot.

[0028] The lower vertical arm 6 is provided with a third cylindrical protrusion which is inserted into a third sliding groove and can slide along the third sliding groove to achieve the purpose of moving the lower vertical arm 6 along the third sliding groove. The lower vertical arm 6 is further provided with a lower fixed plate 21, a lower rocker arm 22 movably connected with the lower fixed plate 21, and a lower supporting piece having one end movably connected with the lower rocker arm 22 and the other end connected with a lower sawtooth 24. The second guide piece is provided with a second fixed sliding groove and movably connected with the lower supporting piece through the second fixed sliding groove. One end of the second guide piece is connected with the lower vertical arm 6, and the lower rocker arm 22 can drive the lower supporting piece to move directionally back and forth along the second fixed sliding groove.

[0029] The shell 1 is further provided with a U-shaped groove 7 for placing bamboo, and the end of the U-shaped groove 7 away from the shell 1 is provided with a guide groove 9. The bottom end of the sawtooth 8 is provided with a sliding block which is slidingly connected with the guide groove 9.

[0030] The cutting position of the sawtooth 8 corresponds to the cutting positions of the upper sawtooth 14 and the lower sawtooth 24, so that the position cut by the sawtooth 8 is exactly the angle bisector of the top corner of the triangular notch cut by the upper sawtooth 14 and the lower sawtooth 24 on the other side of the bamboo, so that the bamboo can be completely cut off.

[0031] The first loose nut penetrates the first fixed sliding groove and the upper supporting piece 13 in sequence, and the first loose nut and the upper supporting piece 13 can move along the first fixed sliding groove. The third loose nut penetrates the second fixed sliding groove and the lower supporting piece in sequence, and the third loose nut and the lower supporting piece can move along the second fixed sliding groove. The third loose nut is also not tightened.

[0032] One end of the first guide piece 16 is fixedly connected with the upper vertical arm 5 through a second loose nut, and one end of the second guide piece is fixedly connected with the lower vertical arm 6 through a fourth loose nut. The angle between the first guide piece 16 and the upper vertical arm 5 is determined in advance by the second loose nut, and the angle between the second guide piece and the lower vertical arm 6 is determined in advance by the fourth loose nut, so as to avoid the collision of the upper sawtooth 14 and the lower sawtooth 24 during cutting. Different angles correspond to different diameters of bamboo, so as to adapt to the felling of bamboo with different diameters.

[0033] First, the bamboo to be felled is placed in the U-shaped groove 7, and the outer power supply of the rotating disc 2 is turned on to realize forward and reverse rotation. When the rotating disc 2 rotates, the first cylindrical protrusion 3 on the rotating disc 2 drives the horizontal arm 4 to rotate. Through force analysis, when the rotating disc 2 rotates forward, the horizontal arm also rotates forward, and the forward rotation of the horizontal arm drives the upper vertical arm 5 to move outward along the first sliding groove, and the upper support 13 moves along the first fixed sliding groove to the direction of the bamboo, and the upper sawtooth 14 cuts the bamboo to form a cut opening upward to the left, and the forward rotation of the horizontal arm drives the lower vertical arm 6 to move outward along the third sliding groove, and the lower support moves along the second fixed sliding groove away from the bamboo. When the rotating disc 2 reverses, the horizontal arm also reverses, and the reverse rotation of the horizontal arm drives the upper vertical arm 5 to move outward along the first sliding groove, and the upper support 13 moves along the first fixed sliding groove away from the bamboo, and the reverse rotation of the horizontal arm drives the lower vertical arm 6 to move outward along the third sliding groove, and the lower support moves along the second fixed sliding groove to the direction of the bamboo, and the lower sawtooth 24 cuts the bamboo to form a cut opening downward to the left. The upper sawtooth 14 and the lower sawtooth 24 can cut a triangular gap on one side of the bamboo, which is not large enough to make the bamboo fall, but enough to shift the center of gravity of the bamboo. After the triangular gap is cut on one side of the bamboo, the operator manually pushes the sawtooth 8 to the direction of the bamboo to cut the other side of the bamboo horizontally to form a cut opening to the right, so that the bamboo can be completely cut off.

[0034] In another embodiment of the present application:

[0035] Based on the previous embodiment, the guide groove 9 is improved in this embodiment. A spring 10 is arranged at one end of the guide groove 9 close to the shell 1, and the spring 10 can be manually controlled to extend and retract, thereby driving the sawtooth 8 to move forward and backward.

[0036] One end of the spring 10 is connected with the guide groove 9, and the other end is connected with the sliding block. When the operator manually pushes the sawtooth 8 to the direction of the bamboo, the spring 10 is compressed by the sliding block. When the operator finishes cutting with the sawtooth 8, the hand is released, and the spring 10 returns to its original state and pushes the sawtooth 8 back to its original position.

[0037] The motor includes a stator and a rotor. The stator is fixedly connected with the shell 1, and the rotating disc 2 is sleeved on the rotor. The rotating disc 2 is driven by the motor to rotate forward or reverse. The motor is externally connected with a power supply, and the external power supply enables the rotor of the motor to rotate forward and reverse. The rotor drives the rotating disc 2 to rotate forward and reverse.

[0038] An upper sawtooth protection cover 15 is arranged outside the upper sawtooth 14, and a lower sawtooth protection cover 25 is arranged outside the lower sawtooth 24, which provides protection for the upper sawtooth 14 and the lower sawtooth 24.

[0039] The upper sawtooth 14 and the lower sawtooth 24 are both circular sawtooth.

[0040] The above merely illustrates the embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A bamboo felling machine characterized by: The utility model provides a cutting machine, including shell (1), crank linkage assembly and sawtooth (8), the crank linkage assembly includes cross arm (4), upper vertical arm (5), lower vertical arm (6), first guide (16) and second guide, be provided with rotatable and reversible rotating disc (2) on the shell (1), be provided with first cylindrical convex (3) on the rotating disc (2), cross arm (4) is provided with first sliding slot, second sliding slot and third sliding slot in proper order, first cylindrical convex (3) is inserted into second sliding slot, rotating disc (2) drives cross arm (4) to rotate, first cylindrical convex (3) can slide along second sliding slot, The bottom of the upper vertical arm (5) is provided with a second cylindrical convex, which is inserted into the first sliding slot and can slide along the first sliding slot. The upper vertical arm (5) is also provided with an upper fixed plate (11), an upper rocker arm (12) is movably connected to the upper fixed plate (11), one end of an upper support (13) is movably connected to the upper rocker arm (12), and the other end is connected to an upper sawtooth (14). The first guide (16) is provided with a first fixed sliding slot, and the first guide (16) is movably connected to the upper support (13) through the first fixed sliding slot. One end of the first guide (16) is connected to the upper vertical arm (5). The lower vertical arm (6) is provided with a third cylindrical convex, which is inserted into the third sliding slot and can slide along the third sliding slot. The lower vertical arm (6) is also provided with a lower fixed plate (21), a lower rocker arm (22) is movably connected to the lower fixed plate (21), one end of a lower support is movably connected to the lower rocker arm (22), and the other end is connected to a lower sawtooth (24). The second guide is provided with a second fixed sliding slot, and the second guide is movably connected to the lower support through the second fixed sliding slot. One end of the second guide is connected to the lower vertical arm (6). The shell (1) is also provided with a U-shaped groove (7), and the end of the U-shaped groove (7) away from the shell (1) is provided with a guide groove (9). The bottom end of the sawtooth (8) is provided with a sliding block, and the sliding block is slidably connected to the guide groove (9).

2. The bamboo felling machine according to claim 1, characterized in that: The cutting position of the sawtooth (8) corresponds to the cutting position of the upper sawtooth (14) and the lower sawtooth (24).

3. The bamboo felling machine according to claim 1, characterized in that: The end of the guide groove (9) close to the shell (1) is provided with a spring (10).

4. The bamboo felling machine according to claim 3, characterized in that: One end of the spring (10) is connected to the guide groove (9), and the other end is connected to the sliding block.

5. The bamboo felling machine according to claim 1, characterized in that: The motor includes a stator and a rotor, the stator is fixedly connected with the shell (1), the rotating disc (2) is sleeved on the rotor, and the rotating disc (2) is driven to rotate in forward or reverse direction by the motor.

6. The bamboo felling machine according to claim 1, characterized in that: The outer side of the upper sawtooth (14) is provided with an upper sawtooth protection cover (15), and the outer side of the lower sawtooth (24) is provided with a lower sawtooth protection cover (25).

7. The bamboo felling machine according to claim 1, characterized in that: The first loose nut penetrates the first fixed sliding groove, the upper support (13) in sequence, and the first loose nut and the upper support (13) can move along the first fixed sliding groove, and the third loose nut penetrates the second fixed sliding groove, the lower support in sequence, and the third loose nut and the lower support can move along the second fixed sliding groove.

8. The bamboo felling machine according to claim 1, characterized in that: One end of the first guide (16) is fixedly connected with the upper vertical arm (5) through the second loose nut, and one end of the second guide is fixedly connected with the lower vertical arm (6) through the fourth loose nut.

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