阅读说明：本技术 一种能固定长度准确切割木材的机器 (Machine capable of accurately cutting wood in fixed length ) 是由 王宽庆 于 2020-07-16 设计创作，主要内容包括：本发明公开的一种能固定长度准确切割木材的机器,包括加工机体,所述加工机体内开设有抵接腔和传动腔,本发明应用于木材加工中需要计划长度的木材切割加工,在木材向右移动的过程中,通过和主动杆的抵接能够触发夹紧切割机构,从而对木材的长度进行限制,通过夹紧块对木材进行夹紧,从而进行切割,同时通过推动杆能够自动推动被切割完的木材落入U型滑座内,并且通过推动设位机构,能够对木材进行二次正向切割,并且通过滑动门能够自动控制齿轮锯条的切割位置,从而达到减少对木材的边角料的浪费,也通过了限位块能够自动使木材落入放置腔内进行放置。(The invention discloses a machine capable of accurately cutting wood with fixed length, which comprises a processing machine body, wherein the processing machine body is internally provided with a butting cavity and a transmission cavity, the machine body is applied to wood cutting processing with the planned length in the wood processing, during the process that the wood moves to the right, the clamping cutting mechanism can be triggered by the contact with the active rod, thereby limiting the length of the wood, clamping the wood through the clamping block so as to cut the wood, simultaneously automatically pushing the cut wood to fall into the U-shaped sliding seat through the push rod, and can carry out secondary positive cutting on the wood by pushing the positioning mechanism, and can automatically control the cutting position of the gear saw blade through the sliding door, thereby reach the waste that reduces ligneous leftover bits, also can make timber fall into automatically through the stopper and place the intracavity and place.)

1. A machine capable of accurately cutting wood in fixed length comprises a processing machine body and is characterized in that: the processing machine is characterized in that a butt joint cavity and a transmission cavity are formed in the processing machine body, a cutting outer frame is fixedly arranged on the upper wall of the butt joint cavity, a cutting cavity communicated with the left wall of the butt joint cavity is formed in the cutting outer frame, a conveying cavity with a leftward opening is formed in the cutting cavity, a through cavity is formed between the left wall of the transmission cavity and the right wall of the butt joint cavity in a communicated mode, a clamping and cutting mechanism is arranged in the cutting cavity and comprises a small motor fixedly embedded in the upper wall of the cutting cavity, a screw rod is arranged on the lower end face of the small motor in a power connection mode, a threaded block is arranged on the screw rod in a threaded connection mode, a saw blade motor is fixedly embedded in the right end face of the threaded block, an electric saw shell is fixedly arranged on the right end face of the saw blade motor, an electric saw cavity with a forward opening is formed in the electric saw shell, and, the electric saw shaft extends rightwards to extend into the electric saw cavity, an electric saw blade is fixedly connected to the electric saw shaft, a driving bevel gear is fixedly arranged at the lower end of the screw rod, a worm is rotatably connected to the left wall of the cutting cavity, a driven bevel gear is fixedly connected to the right end of the worm, the driven bevel gear is meshed with the driving bevel gear, a worm wheel shaft is rotatably connected between the front wall and the rear wall of the cutting cavity, a worm wheel is fixedly connected to the worm wheel shaft, the worm wheel is meshed with the worm, a threaded rod is connected to the worm wheel shaft in a threaded manner, a clamping block is fixedly arranged at the upper end of the threaded rod, wood is slidably arranged on the bottom wall of the conveying cavity and can be abutted against the wood, a pushing and positioning mechanism is arranged in the conveying cavity and comprises a cutting base fixedly arranged on the bottom wall of the conveying cavity, the cutting base is provided with a sliding cavity which is communicated with the left and right, the front wall and the rear wall of the sliding cavity are respectively fixedly connected with a limiting spring and a sliding door, the limiting spring is mutually close to one end of the sliding door, the sliding door is arranged on the upper wall of the sliding cavity in a front-back sliding mode, the side, close to the sliding door, of the sliding door is in an inclined state, a first connecting rod is fixedly arranged on the right end face of the sliding door, a second connecting rod is fixedly arranged on the side, close to the first connecting rod, of the second connecting rod, and a gear saw blade is fixedly arranged on the side, close to the second connecting rod.

2. A machine for cutting logs accurately of fixed length as claimed in claim 1, characterized in that: between the wall around the butt chamber with it is equipped with the axis of rotation respectively to rotate to connect between the wall around the transmission chamber, two set firmly two rotation wheels in the axis of rotation respectively, the left and right sides rotate belt connection between the wheel and be equipped with first belt, the solid big motor that has inlayed on the rear end wall in butt chamber, the left side the rear end face power of axis of rotation is connected on the preceding terminal surface of big motor, the action wheel has set firmly on the back end of axis of rotation, rotate on the back wall in butt chamber and be equipped with about two driven shafts, the right side set firmly the rack wheel on the anterior segment of driven shaft, the rack wheel with gear connection is equipped with the rack between the action wheel, two be equipped with respectively on the driven shaft from the driving wheel about, two pairs are connected from the driving wheel between the belt and are equipped with the second belt, timber is in the horizontal.

3. A machine for cutting logs accurately of fixed length as claimed in claim 1, characterized in that: the butt intracavity has set firmly hydraulic means, it is equipped with the hydraulic pressure chamber to link up in the hydraulic means, slide about and slider about with in the hydraulic pressure intracavity, upper and lower slider is sealed the front end opening in hydraulic pressure chamber, it is sealed to control the slider the left side opening in hydraulic pressure chamber, the hydraulic pressure chamber is located upper and lower slider and control and be full of hydraulic oil between the slider, the driven lever has set firmly on the preceding terminal surface of upper and lower slider, the front end of driven lever has set firmly the catch bar, the rear end face of upper and lower slider has linked firmly compression spring, compression spring's rear end is linked firmly on the rear end wall in hydraulic pressure chamber, the left end face of controlling the slider has set firmly the driving lever, just the right-hand member face of controlling the slider has linked firmly extrusion spring, extrusion spring's right-hand member links firmly on the right-hand member wall in hydraulic pressure.

4. A machine for cutting logs accurately of fixed length as claimed in claim 2, characterized in that: the U-shaped sliding seat is fixedly arranged on one end face, away from each other, of the first belt and is concave, and five pushing blocks which are arranged by taking the first belt as a path array are fixedly arranged on one end face, away from each other, of the U-shaped sliding seat.

5. A machine for cutting logs accurately of fixed length as claimed in claim 1, characterized in that: the limiting block that slopes the form right has set firmly on the antetheca in transmission chamber, the lower extreme of limiting block is in the upside of U type slide, the limiting block can with the mutual butt of timber.

6. A machine for cutting logs accurately of fixed length as claimed in claim 1, characterized in that: the bottom wall of the transmission cavity is fixedly provided with a placing frame, and a placing cavity with an upward opening is formed in the placing frame.

Technical Field

The invention relates to the field related to wood processing, in particular to a machine capable of accurately cutting wood in a fixed length.

Background

The wood is a material with great application in various aspects such as building, furniture, craft carving, papermaking and the like, the existing wood processing machine generally only has semi-automatic capability and cannot automatically control the cutting length, so that the subsequent board processing is influenced to a certain extent, the unexpected damage to a human body can be caused by artificial excessive control, and the transitional waste of wood leftover materials can be caused by fixing the dead cutting angle.

Disclosure of Invention

The invention discloses a machine capable of accurately cutting wood with fixed length, which comprises a processing machine body, wherein a butting cavity and a transmission cavity are formed in the processing machine body, a cutting outer frame is fixedly arranged on the upper wall of the butting cavity, a cutting cavity communicated with the left wall of the butting cavity is formed in the cutting outer frame, a conveying cavity with a leftward opening is formed in the cutting cavity, a through cavity is formed between the left wall of the transmission cavity and the right wall of the butting cavity in a communicated manner, a clamping cutting mechanism is arranged in the cutting cavity and comprises a small motor fixedly embedded in the upper wall of the cutting cavity, a screw rod is dynamically connected to the lower end face of the small motor, a thread block is connected to the screw rod in a threaded manner, and a saw blade motor is fixedly embedded in the right end of the thread block, an electric saw shell is fixedly arranged on the right end face of the saw blade motor, an electric saw cavity with a forward opening is formed in the electric saw shell, an electric saw shaft is arranged on the right end face of the saw blade motor in a power connection mode, the electric saw shaft extends rightwards to extend into the electric saw cavity, an electric saw blade is fixedly connected to the electric saw shaft, a driving bevel gear is fixedly arranged at the lower end of the screw rod, a worm is rotatably connected to the left wall of the cutting cavity, a driven bevel gear is fixedly connected to the right end of the worm, the driven bevel gear is meshed with the driving bevel gear, a worm gear shaft is rotatably connected between the front wall and the rear wall of the cutting cavity, a worm gear is fixedly connected to the worm gear shaft and is meshed with the worm, a threaded rod is arranged on the worm gear shaft in a threaded connection mode, a clamping block is fixedly arranged at the upper end of the threaded rod, and wood is arranged on the, the tight piece of clamp can with the mutual butt of timber, it establishes the position mechanism to be equipped with the promotion in the transmission cavity, promote to establish the position mechanism including setting firmly cutting base on the transmission cavity diapire, the slip chamber that link up about having seted up in the cutting base, the preceding back wall in slip chamber has linked firmly spacing spring, two respectively one that spacing spring is close to each other serves has linked firmly the sliding door, the sliding door is in slide around on the upper wall in slip chamber, just the one side that the sliding door is close to each other is the slope form, the head rod has set firmly on the right-hand member face of sliding door, the one side that the head rod is close to each other has set firmly the second connecting rod, the one side that the second connecting rod is close to each other has set firmly the gear saw blade.

But preferably, between the front and back wall in butt chamber with rotate between the front and back wall in transmission chamber and connect and be equipped with the axis of rotation respectively, two set firmly two rotation wheels in the axis of rotation respectively, the left and right sides rotate belt connection between the wheel and be equipped with first belt, the solid large motor that has inlayed on the rear end wall in butt chamber, the left side the rear end face power of axis of rotation is connected on the preceding terminal surface of large motor, the action wheel has set firmly on the back end of axis of rotation, rotate on the back wall in butt chamber and be equipped with about two driven shafts, the right side set firmly the rack wheel on the anterior segment of driven shaft, the rack wheel with gear connection is equipped with the rack between the action wheel, two are equipped with respectively on the driven shaft from the driving wheel about, two pairs are connected from the belt between the driving wheel and are equipped with the second belt, timber is in.

But preferentially, the butt intracavity has set firmly hydraulic means, it is equipped with the hydraulic pressure chamber to link up in the hydraulic means, the hydraulic pressure intracavity slides and is equipped with about the slider about and, upper and lower slider is sealed the front end opening in hydraulic pressure chamber, it is sealed to control the slider the left side opening in hydraulic pressure chamber, the hydraulic pressure chamber is located about the slider and control between the slider be full of hydraulic oil, set firmly the driven lever on the preceding terminal surface of upper and lower slider, the front end of driven lever is equipped with the catch bar admittedly, the rear end face of upper and lower slider has linked firmly the compression spring, the rear end of compression spring is in admittedly connected on the rear end wall in hydraulic pressure chamber, the left end face of controlling the slider has set firmly the driving lever, just the right-hand member face of controlling the slider has linked firmly extrusion spring, the right-hand member of extrusion spring links firmly on the right-hand end.

Preferably, a U-shaped sliding seat is fixedly arranged on one end face, away from each other, of the first belt, the U-shaped sliding seat is concave, and five pushing blocks which are arranged by taking the first belt as a path array are fixedly arranged on one end face, away from each other, of the U-shaped sliding seat.

Preferably, a limiting block inclining rightwards is fixedly arranged on the front wall of the transmission cavity, the lower end of the limiting block is arranged on the upper side of the U-shaped sliding seat, and the limiting block can be abutted to wood.

Preferably, a placing frame is fixedly arranged on the bottom wall of the transmission cavity, and a placing cavity with an upward opening is formed in the placing frame.

The invention has the beneficial effects that: the wood cutting device is applied to wood cutting processing needing planned length in wood processing, in the process of moving wood to the right, the clamping cutting mechanism can be triggered through the abutting of the driving rod, so that the length of the wood is limited, the wood is clamped through the clamping block, so that the wood is cut, meanwhile, the cut wood can be automatically pushed to fall into the U-shaped sliding seat through the pushing rod, the wood can be cut in the positive direction for the second time through the pushing of the positioning mechanism, the cutting position of the gear saw blade can be automatically controlled through the sliding door, so that the waste of wood leftover materials is reduced, and the wood can be automatically fallen into the placing cavity through the limiting block to be placed.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view showing the overall structure of a machine for cutting timber accurately in a fixed length according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 1;

FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a machine capable of accurately cutting wood at a fixed length, which comprises a processing machine body 11, wherein a butting cavity 13 and a transmission cavity 22 are arranged in the processing machine body 11, a cutting outer frame 43 is fixedly arranged on the upper wall of the butting cavity 13, a cutting cavity 12 communicated with the left wall of the butting cavity 13 is arranged in the cutting outer frame 43, a conveying cavity 42 with a leftward opening is arranged in the cutting cavity 12, a through cavity 36 is communicated between the left wall of the transmission cavity 22 and the right wall of the butting cavity 13, a clamping cutting mechanism 101 is arranged in the cutting cavity 12, the clamping cutting mechanism 101 comprises a small motor 44 fixedly embedded in the upper wall of the cutting cavity 12, a screw rod 45 is dynamically connected to the lower end surface of the small motor 44, a thread block 46 is connected to the screw rod 45 in a threaded manner, a saw blade motor 63 is fixedly embedded in the right end of the thread block 46, and an electric saw shell 47 is fixedly arranged on the right end surface of the saw blade motor 63, an electric saw cavity 65 with a forward opening is formed in the electric saw housing 47, an electric saw shaft 48 is arranged on the right end face of the saw blade motor 63 in a power connection manner, the electric saw shaft 48 extends rightwards to extend into the electric saw cavity 65, an electric saw blade 49 is fixedly connected to the electric saw shaft 48, a driving bevel gear 56 is fixedly arranged at the lower end of the screw rod 45, a worm 58 is rotatably connected to the left wall of the cutting cavity 12, a driven bevel gear 57 is fixedly connected to the right end of the worm 58, the driven bevel gear 57 and the driving bevel gear 56 are mutually engaged, a worm wheel shaft 60 is rotatably connected between the front wall and the rear wall of the cutting cavity 12, a worm wheel 62 is fixedly connected to the worm wheel shaft 60, the worm wheel 62 and the worm 58 are mutually engaged, a threaded rod 59 is threadedly connected to the worm wheel shaft 60, a clamping block 61 is fixedly arranged at the upper end of the threaded rod 59, and a wood 41 is slidably arranged on the bottom wall of the conveying, press from both sides tight piece 61 can with the mutual butt of timber 41, it establishes position mechanism 102 to be equipped with the promotion in transmission chamber 22, promote to establish position mechanism 102 including setting firmly cutting base 23 on the transmission chamber 22 diapire, slide chamber 34 that link up about having seted up in cutting base 23, spacing spring 64 has been linked firmly respectively on the wall around slide chamber 34, two one that spacing spring 64 is close to each other is served and has linked firmly sliding door 35, sliding door 35 is in slide chamber 34's last wall is gone up and is slided from beginning to end, just the one side that sliding door 35 is close to each other is the slope form, first connecting rod 24 has set firmly on sliding door 35's the right-hand member face, the one side that first connecting rod 24 is close to each other has set firmly second connecting rod 25, the one side that second connecting rod 25 is close to each other has set firmly gear saw blade 26.

Beneficially, the rotating shafts 30 are respectively arranged between the front wall and the rear wall of the abutting cavity 13 and between the front wall and the rear wall of the transmission cavity 22 in a rotating connection manner, two rotating wheels 31 are respectively fixedly arranged on the two rotating shafts 30, a first belt 29 is arranged between the rotating wheels 31 on the left side and the right side in a belt connection manner, a large motor 50 is fixedly embedded on the rear end wall of the abutting cavity 13, the rear end surface of the rotating shaft 30 on the left side is in power connection with the front end surface of the large motor 50, a driving wheel 51 is fixedly arranged on the rear section of the rotating shaft 30, a left driven shaft 37 and a right driven shaft 37 are rotatably arranged on the rear wall of the abutting cavity 13, a rack wheel 54 is fixedly arranged on the front section of the driven shaft 37 on the right side, a rack 53 is arranged between the rack wheel 54 and the driving wheel 51 in a gear connection manner, two driven wheels 38 are respectively, the wood 41 slides left and right on the second belt 39, when the wood 41 enters the conveying cavity 42, the wood 41 enters the second belt 39, at this time, the large motor 50 starts to drive the rotating shaft 30 to rotate, so as to drive the driving wheel 51 to rotate, further drive the rack 53 to rotate, further drive the rack wheel 54 to rotate, further drive the driven shaft 37 to rotate, further drive the driven wheel 38 to rotate, further drive the second belt 39 to rotate, further continuously move the wood 41 to the right, until the wood 41 reaches a certain length on the first belt 29, at this time, the large motor 50 stops rotating, the small motor 44 starts to drive the screw 45 to rotate, further drive the thread block 46 to move downwards, further drive the saw blade motor 63, the electric saw shell 47 and the electric saw blade 49 to move downwards to cut the wood 41, at this time, the rotation of the screw 45 drives the driving bevel gear 56 to rotate, further drive the driven bevel gear 57 to rotate, and then drive the rotation of worm 58, and then drive the rotation of worm wheel 62, and then drive the rotation of worm-wheel axle 60, and then make the tight piece 61 of clamp move forward, thereby press from both sides tight timber 41, thereby make timber 41 can be cut off completely, when the object falls into on U type slide 28, big motor 50 drive axis of rotation 30 this moment rotates, thereby drive timber 41 and move right on U type slide 28, when timber 41 enters into sliding cavity 34, constantly butt sliding door 35, receive the influence of timber 41 size itself, thereby drive the position of sliding door 35, thereby influence the cutting position of gear saw blade 26.

Beneficially, a hydraulic device 14 is fixedly arranged in the abutting cavity 13, a hydraulic cavity 20 is arranged in the hydraulic device 14 in a penetrating manner, an upper slider 15, a lower slider 15, a left slider 19 and a right slider 19 are arranged in the hydraulic cavity 20 in a sliding manner, the upper slider 15 and the lower slider 15 seal the front opening of the hydraulic cavity 20, the left slider 19 and the right slider 19 seal the left opening of the hydraulic cavity 20, the hydraulic cavity 20 is located between the upper slider 15 and the lower slider 15 as well as between the left slider 19 and the right slider 19 and is filled with hydraulic oil, a driven rod 16 is fixedly arranged on the front end surfaces of the upper slider 15 and the lower slider 15, the front end of the driven rod 16 is fixedly provided with a push rod 17, the rear end surfaces of the upper slider 15 and the lower slider 15 are fixedly connected with a compression spring 55, the rear end of the compression spring 55 is fixedly connected to the rear end wall of the hydraulic cavity 20, the left end surface of the left slider 19 is fixedly provided with a driving rod 18, when the wood 41 moves on the first belt 29 to the right continuously, the wood 41 abuts against the driving rod 18 continuously, and the driving rod 18 moves to the right continuously, so that the up-down slider 15, the driven rod 16 and the pushing rod 17 move forward and approach the wood 41 continuously, at this time, the clamping and cutting mechanism 101 also operates, so that the wood 41 is clamped, the pushing rod 17 cannot push the wood 41 to roll forward until the wood 41 is accurately cut by the electric saw blade 49, and since the clamping block 61 clamps the left end of the wood 41 and the cutting position of the wood 41 is on the right side of the clamping block 61, the cut wood 41 is not clamped, and is pushed forward by the pushing rod 17 to fall into the U-shaped slide 28.

Beneficially, a U-shaped sliding seat 28 is fixedly arranged on an end surface, away from each other, of the first belt 29, the U-shaped sliding seat 28 is concave, five pushing blocks 32 arranged in an array by taking the first belt 29 as a path are fixedly arranged on an end surface, away from each other, of the U-shaped sliding seat 28, when the wood 41 falls into the U-shaped sliding seat 28, the wood 41 will roll to the middle of the U-shaped sliding seat 28 under the influence of the concave shape of the U-shaped sliding seat 28, and since the wood 41 may be too heavy and cannot be effectively cut by the gear saw blade 26, the pushing blocks 32 act to abut against the wood 41, so that the wood 41 can be completely cut by the gear saw blade 26.

Advantageously, a right-inclined limiting block 27 is fixedly arranged on the front wall of the transmission cavity 22, the lower end of the limiting block 27 is arranged on the upper side of the U-shaped sliding seat 28, the limiting block 27 can abut against the wood 41, and when the right end of the wood 41 abuts against the limiting block 27, the wood 41 can continuously move backwards and can slide out of the U-shaped sliding seat 28.

Advantageously, a placing frame 67 is fixed on the bottom wall of the transmission chamber 22, and a placing chamber 66 with an upward opening is formed in the placing frame 67, so that when the wood 41 rolls out of the U-shaped sliding seat 28, the wood falls down into the placing chamber 66.

The following detailed description of the steps of the machine for cutting wood accurately in fixed length is provided with reference to fig. 1 to 7:

in the initial state, the wood 41 does not enter the conveying cavity 42, the small motor 44, the large motor 50 and the saw blade motor 63 are not operated, the screw block 46 and the clamping block 61 are at the initial positions, the two sliding doors 35 and the gear saw blade 26 are at the initial positions, the up-down slider 15, the driven rod 16, the push rod 17, the driving rod 18, the left-right slider 19 are at the initial positions, the compression spring 55, the compression spring 21 and the limit spring 64 are not compressed or stretched, the five push blocks 32 are at the initial positions, the clamping block 61 does not clamp the wood 41, the push rod 17 and the driving rod 18 do not abut against the wood 41, and the electric saw blade 49 and the gear saw blade 26 do not cut.

When the wood 41 enters the conveying cavity 42, the wood 41 continuously moves to enter the second belt 39, and at this time, the large motor 50 starts to drive the rotating shaft 30 to rotate, so as to drive the driving wheel 51 to rotate, further drive the rack 53 to rotate, further drive the rack wheel 54 to rotate, further drive the driven shaft 37 to rotate, further drive the driven wheel 38 to rotate, further drive the second belt 39 to rotate, further continuously move the wood 41 to the right, until the wood 41 reaches a certain length on the first belt 29, at this time, the large motor 50 stops rotating, the small motor 44 starts to drive the screw 45 to rotate, further drive the screw block 46 to move downwards, further drive the saw blade motor 63, the electric saw shell 47 and the electric saw blade 49 to move downwards to cut the wood 41, at this time, the rotation of the screw 45 drives the driving bevel gear 56 to rotate, further drive the driven bevel gear 57 to rotate, the worm 58 is driven to rotate, the worm wheel 62 is driven to rotate, the worm wheel shaft 60 is driven to rotate, the clamping block 61 is moved forwards, and the wood 41 is clamped, so that the wood 41 can be completely cut;

when the wood 41 moves to the right on the first belt 29, the wood 41 abuts against the driving rod 18 continuously, and the driving rod 18 moves to the right, so as to drive the up-down slider 15, the driven rod 16 and the pushing rod 17 to move forward, and approach the wood 41 continuously, at this time, the clamping and cutting mechanism 101 also operates, so as to clamp the wood 41, so that the pushing rod 17 cannot push the wood 41 to roll forward until the wood 41 is accurately cut by the electric saw blade 49, because the clamping block 61 clamps the left end of the wood 41, and the cutting position of the wood 41 is on the right side of the clamping block 61, the cut wood 41 is not clamped, so as to be pushed forward by the pushing rod 17 and fall into the U-shaped sliding seat 28, when the wood 41 is completely cut, the small motor 44 starts to operate reversely to drive the screw 45 to rotate reversely, so as to drive the thread block 46 and the electric saw housing 47 to return to the initial position, the clamping block 61 is continuously moved backwards to be separated from the state of clamping the wood 41, when the wood 41 is not abutted to the driving rod 18 any more, the left and right sliding blocks 19 and the driving rod 18 are driven to be restored to the initial positions under the influence of the rebounding force of the extrusion spring 21, and the compression spring 55 contracts to drive the upper and lower sliding blocks 15, the driven rod 16 and the push rod 17 to be restored to the initial positions;

when an object falls into the U-shaped sliding seat 28, the wood 41 falls into the middle of the U-shaped sliding seat 28 under the influence of the concave shape of the U-shaped sliding seat 28, at the moment, the large motor 50 drives the rotating shaft 30 to rotate, so as to drive the wood 41 to move rightwards on the U-shaped sliding seat 28, because the wood 41 may be too heavy and cannot be effectively cut by the gear saw blade 26, the pushing block 32 plays a role of abutting against the wood 41, so that the wood 41 can be completely cut by the gear saw blade 26, when the wood 41 enters the sliding cavity 34, the sliding door 35 is continuously abutted against, and under the influence of the size of the wood 41, so as to drive the position of the sliding door 35, further affect the positions of the first connecting rod 24 and the second connecting rod 25, further affect the cutting position of the gear saw blade 26, so as to automatically adapt to the size of the wood 41, so as to perform forward cutting on the wood 41, at this time, the sliding door 35 and the gear saw blade 26 are driven to restore to the initial positions under the influence of the rebounding force of the limiting spring 64 until the lower wood 41 is in reciprocating abutting connection;

when the wood 41 continuously moves to the right until the right end of the wood 41 abuts against the limit block 27, the wood 41 continuously moves backwards, and then slides out of the U-shaped slide seat 28, and when the wood 41 rolls out of the U-shaped slide seat 28, the wood 41 falls down into the placing cavity 66 to be placed.

The invention has the beneficial effects that: the wood cutting device is applied to wood cutting processing needing planned length in wood processing, in the process of moving wood to the right, the clamping cutting mechanism can be triggered through the abutting of the driving rod, so that the length of the wood is limited, the wood is clamped through the clamping block, so that the wood is cut, meanwhile, the cut wood can be automatically pushed to fall into the U-shaped sliding seat through the pushing rod, the wood can be cut in the positive direction for the second time through the pushing of the positioning mechanism, the cutting position of the gear saw blade can be automatically controlled through the sliding door, so that the waste of wood leftover materials is reduced, and the wood can be automatically fallen into the placing cavity through the limiting block to be placed.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.