CN213107309U

CN213107309U - Wood cutting device for forestry machinery convenient to it is fixed

Info

Publication number: CN213107309U
Application number: CN202021468240.1U
Authority: CN
Inventors: 刘勇; 李剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-04
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a forestry machinery is with wood-cutting device convenient to it is fixed, which comprises a mounting bas, the equal fixed mounting in bottom both sides of mount pad has the backup pad, and the top of mount pad is equipped with driving motor, and driving motor's output shaft end fixed mounting has the cutting knife, the equal fixed mounting in top both sides of mount pad has the riser, and the top fixed mounting of two risers has same roof, and the top fixed mounting of roof has the push rod motor, and the output shaft bottom of push rod motor extends to the below and the fixed mounting of roof has the movable plate, and the equal slip cap of two risers is established on the movable plate. The utility model relates to a rationally, be convenient for carry out the stationary clamp to timber before the cutting and press from both sides fixedly, guarantee timber cutting in-process stability, avoid the condition that timber rocked at the in-process of cutting, and be convenient for adjust ligneous slope according to the cutting needs, and then can directly cut out the inclined plane of needs, improve work efficiency, satisfy the user demand.

Description

Wood cutting device for forestry machinery convenient to it is fixed

Technical Field

The utility model relates to a wood cutting equipment technical field especially relates to a wood cutting device for forestry machinery convenient to it is fixed.

Background

Timber is closely related with human life, all be indispensable article in many fields, in-process to wood working, need cut the processing to timber, consequently need use timber cutting device, current timber cutting device it has fixed unstable shortcoming in cutting process, it cuts timber to handheld timber mostly, the phenomenon of rocking in cutting process is caused easily to the mode of artifical handheld cutting, and it is not convenient for adjust the slope inclination of cutting timber according to the cutting needs, make the cutting cross-section of the timber that it cut out be vertical face mostly, because some timber need cut into the inclined plane, when the cross-section of needs timber is the inclined plane, then need polishing in later stage to form the inclined plane, be not convenient for directly cut out the inclined section, work efficiency is low, and waste time and energy, can not satisfy the user demand, therefore we have proposed a timber cutting device for forestry machinery convenient to fix and are used for solving above-mentioned problem .

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wood cutting device for forestry machinery convenient to fix.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wood cutting device convenient to fix for forestry machinery comprises a mounting seat, wherein supporting plates are fixedly mounted on two sides of the bottom of the mounting seat, a driving motor is arranged above the mounting seat, a cutting knife is fixedly mounted at the end part of an output shaft of the driving motor, vertical plates are fixedly mounted on two sides of the top of the mounting seat, the same top plate is fixedly mounted at the tops of the two vertical plates, a push rod motor is fixedly mounted at the top of the top plate, the bottom end of the output shaft of the push rod motor extends to the lower part of the top plate and is fixedly provided with a moving plate, the two vertical plates are slidably sleeved on the moving plate, a multi-stage electric telescopic rod is fixedly mounted on the left side of the moving plate, a first groove is formed in the bottom of the moving plate, the same first positioning rod is fixedly mounted between the inner walls of two sides of the first groove, a mounting block is slidably sleeved on the, the bottom of the mounting block extends to the lower part of the movable plate, the left side of the mounting block is fixedly connected with the right side of the driving motor, the top of the mounting seat is provided with a mounting groove with an opening at the front side, the inner wall of the rear side of the mounting groove is rotatably provided with a U-shaped fixed plate, the top of the U-shaped fixed plate extends to the upper part of the mounting seat, both sides of the top of the U-shaped fixed plate are fixedly provided with fixed blocks, two L-shaped clamp plates are arranged between the two fixed blocks, the two L-shaped clamp plates are symmetrically arranged, one sides of the two L-shaped clamp plates, which are far away from each other, are rotatably provided with T-shaped screw rods, the fixed blocks are sheathed on the corresponding T-shaped screw rods in a threaded manner, the bottom of one side of the L-shaped clamp plate, which is close to the corresponding fixed block, is, the screw thread of two first screw rods is turned to opposite, fixed mounting has the connecting plate between the one side that two backup pads are close to each other, the top both sides of connecting plate are all rotated and are installed the bull stick, bull stick thread bush is established on the first screw rod that corresponds, fixed cover is equipped with the sprocket on the bull stick, the same chain of transmission connection on two sprockets, bottom one side fixed mounting of connecting plate has first motor, lie in the bottom fixed connection of left bull stick in the output shaft top of first motor and two bull sticks, the equal fixed mounting in top both sides of connecting plate has the rectangle sleeve pipe, the equal fixed mounting in one side that two first screw rods kept away from each other has L shape locating lever, rectangle sleeve pipe sliding sleeve is established on the L shape locating lever.

Preferably, a first rectangular hole has been seted up to one side of riser, the front side inner wall and the rear side inner wall in first rectangular hole respectively with the front side and the rear side sliding connection of movable plate.

Preferably, one side of the fixing block is provided with a threaded hole and a second rectangular hole, the threaded hole is in threaded connection with the corresponding T-shaped screw, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the corresponding T-shaped positioning rod.

Preferably, T-shaped sliding rails are fixedly mounted on two sides of the bottom of the U-shaped fixing plate, T-shaped sliding grooves with two sides being opened are formed in the top of the rectangular block, and the T-shaped sliding rails are connected with the corresponding T-shaped sliding grooves in a sliding mode.

Preferably, the top of the rotating rod is provided with a thread groove, and the thread groove is in threaded connection with the corresponding first screw rod.

Preferably, the outer side sliding connection of the inner wall of the rectangular sleeve and the corresponding L-shaped positioning rods has a limiting hole formed in the inner wall of one side, away from each other, of the two rectangular sleeves, a limiting block is fixedly mounted at the bottom of one side, away from each other, of the two L-shaped positioning rods, and the limiting hole is connected with the corresponding limiting block in a sliding mode.

Preferably, circular holes are formed in two sides of the top of the connecting plate, bearings are fixedly sleeved in the circular holes, and the inner sides of the inner rings of the bearings are fixedly connected with the outer sides of the corresponding rotating rods.

Preferably, one side of the bottom of the connecting plate is fixedly connected with two L-shaped fixing rods, the two L-shaped fixing rods are symmetrically arranged, and one ends, close to each other, of the two L-shaped fixing rods are fixedly connected with two sides of the first motor respectively.

Preferably, the inner walls of the two L-shaped clamping plates at the sides far away from each other are fixedly bonded with anti-skid rubber sheets.

Compared with the prior art, the beneficial effects of the utility model are that:

by the installation block, the installation seat, the vertical plate, the push rod motor, the movable plate, the supporting plate, the first positioning rod, the driving motor, the cutting knife, the multi-stage electric telescopic rod, the installation groove, the U-shaped fixing plate, the L-shaped clamping plate, the fixing block, the T-shaped screw rod, the T-shaped positioning rod, the rectangular block, the connecting plate, the rotating rod, the first screw rod, the chain wheel, the chain, the rectangular sleeve and the L-shaped positioning rod are matched with the first motor, when wood is required to be cut, the wood is placed between the two L-shaped clamping plates, the bottom of the wood is flush with the inner wall of the bottom of the L-shaped clamping plate, the two T-shaped screw rods are rotated in the forward direction, the T-shaped screw rods rotate and drive the corresponding L-shaped clamping plates to move, the two L-shaped clamping plates drive the two anti-skid rubber sheets to move in the direction close to, when wood with a vertical section needs to be cut, firstly, the position of a cutting knife is determined, a multi-stage electric telescopic rod is started in a forward direction to drive a driving motor to move transversely through an installation block, the driving motor drives the cutting knife to move to the same vertical line with the cutting position, then a push rod motor is started in the forward direction to drive the cutting knife to move downwards through a movable plate, a first positioning rod, the installation block and the driving motor, the driving motor is started to drive the cutting knife to rotate, so that the cutting knife rotates and moves downwards to cut the wood, the section of the cut wood is a vertical surface, when the wood needs to be cut into an inclined surface, the first motor is started in the forward direction to drive a rotating rod fixedly connected with the first motor to rotate, the rotating rod drives another rotating rod to rotate through two chain wheels and a chain, the rotating rod drives a corresponding first screw rod to move while rotating, first screw rod downstream on right side, left first screw rod rebound upwards extrudees the left side of U-shaped fixed plate through the rectangle piece and the T shape slide rail that correspond, the rectangle piece that is located the right side simultaneously carries out the pulling downwards to the right side of U-shaped fixed plate through the T shape slide rail that corresponds, make the U-shaped fixed plate rotate the slope on the rear side inner wall of mounting groove, the U-shaped fixed plate rotates timber through two L-shaped clamp boards, make its inclination change, when adjusting ligneous gradient according to actual need, stop first motor, make timber fixed, when cutting timber this moment again, then the ligneous cross-section of cutting out is the inclined plane.

The utility model relates to a rationally, be convenient for carry out the stationary clamp to timber before the cutting and press from both sides fixedly, guarantee timber cutting in-process stability, avoid the condition that timber rocked at the in-process of cutting, and be convenient for adjust ligneous slope according to the cutting needs, and then can directly cut out the inclined plane of needs, improve work efficiency, satisfy the user demand.

Drawings

Fig. 1 is a schematic view of a sectional structure of a wood cutting device for forestry machinery convenient to fix, which is provided by the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 100 installation pieces, 101 installation seats, 102 vertical plates, 103 push rod motors, 104 moving plates, 105 supporting plates, 106 first positioning rods, 107 driving motors, 108 cutting knives, 109 multi-stage electric telescopic rods, 1 installation groove, 2U-shaped fixing plates, 3L-shaped clamping plates, 4 fixing blocks, 5T-shaped screw rods, 6T-shaped positioning rods, 7 rectangular blocks, 8 connecting plates, 9 rotating rods, 10 first screw rods, 11 chain wheels, 12 chains, 13 rectangular sleeves, 14L-shaped positioning rods and 15 first motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a wood cutting device for forestry machinery convenient to fix, includes a mounting seat 101, support plates 105 are fixedly mounted on both sides of the bottom of the mounting seat 101, a driving motor 107 is disposed above the mounting seat 101, a cutting knife 108 is fixedly mounted on an output shaft end of the driving motor 107, risers 102 are fixedly mounted on both sides of the top of the mounting seat 101, a same top plate is fixedly mounted on the tops of the two risers 102, a push rod motor 103 is fixedly mounted on the top of the top plate, a bottom end of an output shaft of the push rod motor 103 extends to a lower side of the top plate and is fixedly mounted with a moving plate 104, the two risers 102 are slidably sleeved on the moving plate 104, a multi-stage electric telescopic rod 109 is fixedly mounted on the left side of the moving plate 104, a first groove is formed at the bottom of the moving plate 104, a same first positioning rod 106 is fixedly mounted between inner, the end part of an output shaft of the multi-stage electric telescopic rod 109 extends into the first groove and is fixedly connected with the right side of the mounting block 100, the bottom of the mounting block 100 extends to the lower part of the movable plate 104, the left side of the mounting block 100 is fixedly connected with the right side of the driving motor 107, the top of the mounting seat 101 is provided with a mounting groove 1 with an opening at the front side, a U-shaped fixing plate 2 is rotatably mounted on the inner wall of the rear side of the mounting groove 1, the top of the U-shaped fixing plate 2 extends to the upper part of the mounting seat 101, both sides of the top of the U-shaped fixing plate 2 are fixedly provided with fixing blocks 4, two L-shaped clamping plates 3 are arranged between the two fixing blocks 4, the two L-shaped clamping plates 3 are symmetrically arranged, one side, far away from each other, of the two L-shaped clamping plates 3 is rotatably provided with a T-shaped screw 5, the fixing blocks 4 are sleeved, the fixed block 4 is sleeved on the corresponding T-shaped positioning rod 6 in a sliding manner, rectangular blocks 7 are slidably mounted on two sides of the bottom of the U-shaped fixed plate 2 respectively, first screw rods 10 are hinged to the bottoms of the rectangular blocks 7, the thread turning directions of the two first screw rods 10 are opposite, a connecting plate 8 is fixedly mounted between the mutually adjacent sides of the two supporting plates 105, rotating rods 9 are rotatably mounted on two sides of the top of the connecting plate 8 respectively, the rotating rods 9 are sleeved on the corresponding first screw rods 10 in a threaded manner, chain wheels 11 are fixedly sleeved on the rotating rods 9, the same chain 12 is connected to the two chain wheels 11 in a transmission manner, a first motor 15 is fixedly mounted on one side of the bottom of the connecting plate 8, the top end of an output shaft of the first motor 15 is fixedly connected with the bottom ends of the left rotating rods 9 in the two rotating rods 9, rectangular sleeves 13 are fixedly mounted on two sides of the top of the connecting, rectangular sleeve 13 slip cap is established on the L shape locating lever 14 that corresponds, the utility model relates to a rationally, be convenient for carry out the steady clamp to timber before the cutting and press from both sides fixedly, guarantee timber cutting in-process stability, avoid the condition that the in-process timber of cutting rocked, and be convenient for adjust ligneous slope inclination according to the cutting needs, and then can directly cut out the inclined plane of needs, improve work efficiency, satisfy the user demand.

In the utility model, a first rectangular hole is arranged on one side of a vertical plate 102, the front inner wall and the rear inner wall of the first rectangular hole are respectively connected with the front side and the rear side of a movable plate 104 in a sliding way, a threaded hole and a second rectangular hole are arranged on one side of a fixed block 4, the threaded hole is connected with a corresponding T-shaped screw 5 in a threaded way, the inner wall of the second rectangular hole is connected with the outer side of a corresponding T-shaped positioning rod 6 in a sliding way, T-shaped sliding rails are fixedly arranged on both sides of the bottom of a U-shaped fixed plate 2, T-shaped sliding grooves with both sides arranged in an opening way are arranged on the top of a rectangular block 7, the T-shaped sliding rails are connected with the corresponding T-shaped sliding grooves in a sliding way, the top of a rotating rod 9 is provided with a thread groove which is connected with a corresponding first screw 10 in a threaded way, the inner wall of a rectangular sleeve 13 is connected with, the utility model has the advantages of reasonable design, convenient stable clamping and fixing to wood before cutting, ensuring the stability in the wood cutting process, avoiding the situation of wood shaking in the cutting process, and being convenient for adjusting the inclination of the wood according to the cutting requirement, and then can directly cut out the inclined plane of needs, improve work efficiency, satisfy the user demand.

The working principle is as follows: when in use, when wood needs to be cut, the wood is placed between the two L-shaped clamp plates 3, and the bottom of the wood is flush with the inner wall of the bottom of the L-shaped clamp plate 3, and then the two T-shaped screws 5 are rotated forwards, under the action of a threaded hole formed in the fixed block 4, the T-shaped screw 5 rotates and moves in position, the T-shaped screw 5 drives the corresponding L-shaped clamping plate 3 to move, the two L-shaped clamping plates 3 drive the two T-shaped positioning rods 6 to move in the direction of approaching each other, the L-shaped clamping plates 3 drive the corresponding anti-skid rubber sheets to move while moving, the two anti-skid rubber sheets move in the direction of approaching each other to be in tight extrusion contact with two sides of wood, the two L-shaped clamping plates 3 clamp and fix the wood while moving, the wood is convenient to clamp and fix before cutting, the stability in the wood cutting process is ensured, and the condition that the wood shakes in the cutting process is avoided;

at the moment, the wood is in a horizontal state, when the wood with a vertical section needs to be cut, the position of a cutting knife 108 is determined firstly, when the position of the cutting knife 108 deviates from the cutting position, a multi-stage electric telescopic rod 109 is started in a forward direction, an output shaft of the multi-stage electric telescopic rod 109 drives an installation block 100 to slide on a first positioning rod 106, the installation block 100 drives a driving motor 107 to move transversely, the driving motor 107 drives the cutting knife 108 to move transversely, when the cutting knife 108 and the cutting position are on the same vertical line, the multi-stage electric telescopic rod 109 is stopped, a push rod motor 103 is started in the forward direction, an output shaft of the push rod motor 103 drives a movable plate 104 to move downwards, the movable plate 104 drives the installation block 100 to move downwards through the first positioning rod 106 while moving, the installation block 100 drives the driving motor 107 to move downwards, and an output, simultaneously starting the driving motor 107, wherein an output shaft of the driving motor 107 drives the cutting knife 108 to rotate, so that the cutting knife 108 moves downwards to cut the wood while rotating, and the section of the cut wood is a vertical surface;

when an inclined plane needs to be cut on the wood, and the inclination of the wood needs to be adjusted, the first motor 15 is started in the forward direction, the output shaft of the first motor 15 drives the rotating rod 9 fixedly connected with the first motor to rotate, the rotating rod 9 drives the chain wheel 11 fixedly connected with the rotating rod 9 to rotate, the chain wheel 11 drives the other chain wheel 11 to rotate through the chain 12, the other chain wheel 11 drives the rotating rod 9 fixedly connected with the other chain wheel to rotate, under the action of the thread groove formed at the top end of the rotating rod 9, the rotating rod 9 rotates and simultaneously drives the corresponding first screw rods 10 to move, due to the fact that the thread rotating directions of the two first screw rods 10 are opposite, the first screw rod 10 on the left side in the two first screw rods 10 moves upwards, the first screw rod 10 on the right side moves downwards, the first screw rod 10 on the left side moves upwards while moving upwards moves towards the rectangular block 7 on the left side, and the L-, the rectangular block 7 on the left side drives the corresponding T-shaped slide rail to upwards extrude the left side of the U-shaped fixed plate 2, meanwhile, the rectangular block 7 on the right side drives the corresponding T-shaped slide rail to downwards pull the right side of the U-shaped fixed plate 2, so that the U-shaped fixed plate 2 is rotationally inclined on the inner wall of the rear side of the mounting groove 1, the U-shaped fixed plate 2 simultaneously drives the two L-shaped clamp plates 3 to rotate, the two L-shaped clamp plates 3 simultaneously drive the wood to rotate, the inclination angle of the wood is changed when the wood rotates, when the inclination of the wood is adjusted according to actual needs, the first motor 15 is stopped, under the action of the thread locking damping force of the thread groove and the corresponding first screw rod 10, the wood is fixed, when the wood is cut again, the cross section of the cut wood is an inclined plane, so that the inclination of the wood can be adjusted according to, and then can directly cut out the required inclined plane, improve work efficiency.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A wood cutting device convenient to fix for forestry machinery comprises a mounting seat (101), wherein supporting plates (105) are fixedly mounted on two sides of the bottom of the mounting seat (101), a driving motor (107) is arranged above the mounting seat (101), and a cutting knife (108) is fixedly mounted at the end part of an output shaft of the driving motor (107), and is characterized in that vertical plates (102) are fixedly mounted on two sides of the top of the mounting seat (101), the tops of the two vertical plates (102) are fixedly provided with a same top plate, the top of the top plate is fixedly provided with a push rod motor (103), the bottom end of an output shaft of the push rod motor (103) extends to the lower part of the top plate and is fixedly provided with a movable plate (104), the two vertical plates (102) are slidably sleeved on the movable plate (104), a multi-stage electric telescopic rod (109) is fixedly mounted on the left side of the movable plate (, the fixing device comprises a first groove, a first positioning rod (106) is fixedly installed between the inner walls of the two sides of the first groove, an installation block (100) is sleeved on the first positioning rod (106) in a sliding mode, the end portion of an output shaft of a multi-stage electric telescopic rod (109) extends into the first groove and is fixedly connected with the right side of the installation block (100), the bottom of the installation block (100) extends to the lower portion of a moving plate (104), the left side of the installation block (100) is fixedly connected with the right side of a driving motor (107), an installation groove (1) with an opening at the front side is formed in the top of an installation seat (101), a U-shaped fixing plate (2) is rotatably installed on the inner wall of the rear side of the installation groove (1), the top of the U-shaped fixing plate (2) extends to the upper portion of the installation seat (101), fixing blocks (4) are fixedly installed on the two sides of the top of the, two L-shaped clamping plates (3) are symmetrically arranged, one side, far away from each other, of each L-shaped clamping plate (3) is rotatably provided with a T-shaped screw rod (5), a fixing block (4) is sleeved on the corresponding T-shaped screw rod (5) in a threaded manner, the bottom of one side, close to the corresponding fixing block (4), of each L-shaped clamping plate (3) is fixedly provided with a T-shaped positioning rod (6), the fixing blocks (4) are slidably sleeved on the corresponding T-shaped positioning rods (6), two sides of the bottom of each U-shaped fixing plate (2) are slidably provided with rectangular blocks (7), the bottoms of the rectangular blocks (7) are hinged with first screw rods (10), the thread directions of the two first screw rods (10) are opposite, a connecting plate (8) is fixedly arranged between one sides, close to each other, two sides of the top of the connecting plate (8) are rotatably provided with rotating rods (9), the rotating rods (9) are, the fixed cover is equipped with sprocket (11) on bull stick (9), transmission connection has same chain (12) on two sprocket (11), bottom one side fixed mounting of connecting plate (8) has first motor (15), lie in the bottom fixed connection of left bull stick (9) in the output shaft top of first motor (15) and two bull sticks (9), the equal fixed mounting in top both sides of connecting plate (8) has rectangle sleeve pipe (13), the equal fixed mounting in one side of keeping away from each other of two first screw rods (10) has L shape locating lever (14), rectangle sleeve pipe (13) slip cap is established on the L shape locating lever (14) that corresponds.

2. The wood cutting device for forest machine convenient to fix of claim 1, wherein one side of the vertical plate (102) is opened with a first rectangular hole, and the front side inner wall and the rear side inner wall of the first rectangular hole are slidably connected with the front side and the rear side of the moving plate (104), respectively.

3. The wood cutting device convenient for fixation for forestry machines according to claim 1, wherein one side of the fixed block (4) is provided with a threaded hole and a second rectangular hole, the threaded hole is in threaded connection with the corresponding T-shaped screw rod (5), and the inner wall of the second rectangular hole is in sliding connection with the outer side of the corresponding T-shaped positioning rod (6).

4. The wood cutting device convenient to fix for forestry machinery of claim 1, wherein the bottom of the U-shaped fixing plate (2) is fixedly provided with T-shaped sliding rails on both sides, the top of the rectangular block (7) is provided with T-shaped sliding grooves with openings on both sides, and the T-shaped sliding rails are slidably connected with the corresponding T-shaped sliding grooves.

5. A timber cutting device for forest machine convenient to fix as claimed in claim 1, characterized in that the top of the rotating rod (9) is provided with a threaded groove, and the threaded groove is in threaded connection with the corresponding first screw (10).

6. The wood cutting device convenient to fix for forestry machinery of claim 1, wherein the inner wall of the rectangular sleeve (13) is slidably connected with the outer side of the corresponding L-shaped positioning rod (14), the inner walls of the two sides of the rectangular sleeve (13) away from each other are respectively provided with a limiting hole, the bottoms of the two sides of the L-shaped positioning rods (14) away from each other are respectively fixedly provided with a limiting block, and the limiting holes are slidably connected with the corresponding limiting blocks.

7. The wood cutting device convenient to fix for forestry machinery of claim 1, wherein circular holes are formed in both sides of the top of the connecting plate (8), bearings are fixedly sleeved in the circular holes, and the inner sides of the inner rings of the bearings are fixedly connected with the outer sides of the corresponding rotating rods (9).

8. A timber cutting device for forest machine convenient to fix as claimed in claim 1, characterized in that one side of the bottom of the connecting plate (8) is fixedly connected with two L-shaped fixing rods, the two L-shaped fixing rods are symmetrically arranged, and the ends of the two L-shaped fixing rods close to each other are fixedly connected with both sides of the first motor (15) respectively.

9. A timber cutting device for forest machine convenient to fix as claimed in claim 1, characterized in that the inner wall of one side of two L-shaped splints (3) far away from each other is fixedly bonded with an anti-slip rubber.