Wood cutting device

Abstract

The invention discloses a wood cutting device, and relates to the technical field of wood cutting, the wood cutting device comprises a cutting table, a cutting frame is fixedly mounted at the top of the cutting table, cutting equipment for cutting wood is arranged in the cutting frame, a synchronous belt is fixedly mounted at the top of the cutting table, and a clamping piece is arranged outside the synchronous belt; the multiple pieces of wood can be clamped at the same time through the clamping pieces, and it is guaranteed that the multiple pieces of clamped wood are not prone to shaking and shifting during cutting and moving. According to the wood cutting device, multiple pieces of wood can be clamped and limited at the same time through the clamping pieces, it is guaranteed that the multiple pieces of clamped wood do not make contact with one another, the multiple pieces of wood can be cut at the same time through the multiple cutting saw blades, and the situation that the ends of the multiple pieces of wood tilt up or swing left and right when the multiple pieces of wood are cut is avoided; according to the wood cutting device, the situation that teeth are broken or broken when wood is cut by the cutting saw blade is prevented, meanwhile, multiple pieces of wood can be rapidly positioned and clamped, the time and energy needed for wood cutting are shortened, and the wood cutting efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of wood cutting, and specifically relates to a wood cutting device. Background Art

[0002] A wood cutting device refers to a mechanical device used for cutting and processing wood boards. It usually consists of a cutting knife, a frame, an operating table, and an electric motor. The wood board is placed on the operating table. When the electric motor works, it drives the cutting knife to rotate rapidly. The cutting knife installed on the frame is used to cut and process the wood board placed on the operating table. With the wood cutting device, the processing operation of the wood board can be completed quickly, and various shapes of cutting and processing can be carried out on the wood board, improving the processing speed of the wood board.

[0003] Currently, when manufacturing wooden furniture (such as floors, wall panels, or wooden squares, etc.), a whole wooden board needs to be placed on a cutting table, and the whole wooden board is clamped by a movable clamping device on the cutting table. When cutting the wooden board, the clamping device is pushed to move it in the direction of the cutting machine. At this time, the clamped wooden board moves with the clamping device to directly below the cutting saw blade, and then the cutting machine is moved horizontally along the top of the cutting table and the cutting machine is started to make the cutting saw blade rotate at a high speed, so that the wooden board can be cut into woods with the same or different sizes. However, the existing cutting equipment can often only cut one wooden board and cannot stack and fix multiple wooden boards with the same size for cutting (multiple layers of wooden boards will increase the resistance load on the cutting saw blade. If the thickness of the wooden boards is stacked beyond the bearing capacity of the cutting saw blade, it may cause the electric motor to overload and burn out, and the cutting saw blade may be chipped or broken, and the flying metal fragments may cause harm to the surrounding staff), resulting in the need for workers to reposition and clamp each wooden board through the clamping device during cutting, thus increasing the time and energy required for wood cutting and reducing the efficiency of wood cutting. Summary of the Invention

[0004] The purpose of the present invention is to provide a wood cutting device to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the present invention provides the following technical solution: A wood cutting device, comprising;

[0006] A cutting table, on which a cutting frame is fixedly installed, and inside the cutting frame, there is a cutting device for cutting wood;

[0007] A synchronous belt, fixedly installed on the top of the cutting table, and outside the synchronous belt, there are clamping members. Through the clamping members, multiple woods can be clamped simultaneously, and it is ensured that the multiple clamped woods are not prone to shaking and deviation during cutting and movement.

[0008] Preferably, the clamping member includes a U-shaped clamping plate and a U-shaped frame. A plurality of U-shaped clamping plates are fixedly installed on the synchronous belt, and a plurality of U-shaped frames are installed on the top of the cutting table by bolt cooperation. A plurality of U-shaped frames straddle both sides of the synchronous belt, and a plurality of vertical plates are fixedly installed on the inner walls of the plurality of U-shaped frames away from the cutting table. Guide rollers for preventing the wood from swaying left and right are rotatably installed along the vertical direction on one side of two adjacent vertical plates.

[0009] Preferably, elastic plates are fixedly installed on both sides of the inner cavity of the plurality of U-shaped clamping plates. One side of the elastic plate is bent, and the elastic plate is composed of metal parts.

[0010] Preferably, a plurality of sliding grooves communicating with the bottom of the cutting table are symmetrically opened on both sides of the top of the cutting table. The bottoms of the plurality of U-shaped frames extend into the inner cavities of the plurality of sliding grooves. Through holes communicating with the inner cavities of the plurality of sliding grooves are opened on both sides of the cutting table. Limit bolts are detachably installed in the inner cavities of the plurality of through holes. A plurality of threaded holes adapted to the limit bolts are opened along the vertical direction on both sides of the plurality of U-shaped frames.

[0011] Preferably, a plurality of U-shaped plates are fixedly installed between two adjacent U-shaped frames. Pressing rollers for pressing the top of the wood are rotatably installed in the inner cavities of the plurality of U-shaped plates.

[0012] Preferably, guide grooves are opened along the vertical direction on both sides of the inner cavity of the plurality of U-shaped plates. Sliders are slidably installed in the inner cavities of the plurality of guide grooves. Compression springs connected to the sliders are fixedly installed in the inner cavities of the plurality of guide grooves. Both ends of the pressing roller are rotatably connected to two adjacent sliders through rotating shafts.

[0013] Preferably, the cutting device includes a lifting frame and a cutting saw blade. The lifting frame is slidably installed in the inner cavity of the cutting frame. A driving threaded rod for the up and down movement of the lifting frame is rotatably installed in the inner cavity of the cutting frame. A plurality of driving motors are fixedly installed at one end of the lifting frame close to the synchronous belt. Cutting saw blades for cutting wood are detachably installed at the power output ends of the plurality of driving motors.

[0014] Preferably, a guide rod is fixedly installed along the vertical direction on one side of the inner cavity of the cutting frame. A guide ring is slidably sleeved on the outer wall of the guide rod. The outer wall of the guide ring is fixedly connected to the outer wall of the lifting frame.

[0015] Preferably, a blanking groove for blanking is opened on the top of the cutting table. The blanking groove is located directly below the lifting frame.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The present invention can clamp and limit a plurality of woods at the same time through the clamping member, and ensure that the plurality of clamped woods do not contact each other, so that a plurality of cutting saw blades can cut a plurality of woods at the same time, and avoid the situation that the ends of a plurality of woods are tilted or swung left and right when being cut, and prevent the cutting saw blades from chipping teeth or breaking when cutting the wood. At the same time, the positioning and clamping of a plurality of woods can be realized quickly, thereby reducing the time and energy required for wood cutting and improving the efficiency of wood cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention;

[0019] Figure 2 It is an assembly diagram of the cutting device and the cutting table of the present invention;

[0020] Figure 3 It is an assembly diagram of the U-shaped clamping plate and the synchronous belt of the present invention;

[0021] Figure 4 It is an assembly diagram of the U-shaped frame and the limiting bolts of the present invention;

[0022] Figure 5 It is an assembly diagram of the extrusion spring and the extrusion roller of the present invention;

[0023] Figure 6 It is an assembly diagram of the driving threaded rod and the lifting frame of the present invention;

[0024] Figure 7 For the present invention Figure 2 A magnified view of the structure at center A;

[0025] Figure 8 For the present invention Figure 2 A magnified view of the structure at point B.

[0026] In the figure: 1. cutting table; 2. synchronous belt; 3. cutting frame; 4. U-shaped frame; 5. U-shaped clamp; 6. U-shaped plate; 7. squeezing roller; 8. vertical plate; 9. lifting frame; 10. cutting saw blade; 11. squeezing spring; 12. slider; 13. guide rod; 14. elastic plate; 15. guide roller; 16. driving threaded rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example

[0029] Please refer to Figure 1-8 , including:

[0030] A cutting table 1, on which a cutting frame 3 is fixedly installed at the top. A lifting frame 9 is slidably installed in the inner cavity of the cutting frame 3. A driving threaded rod 16 for moving the lifting frame 9 up and down is rotatably installed in the inner cavity of the cutting frame 3. One end of the lifting frame 9 close to the synchronous belt 2 is fixedly installed with a plurality of driving motors. The power output ends of the plurality of driving motors are all detachably installed with cutting saw blades 10 for cutting wood. When one end of the wood extends into the inner cavity of the cutting frame 3 and is directly below the cutting saw blade 10, continuously rotate the driving threaded rod 16 to move the cutting frame 3 downward, and at the same time start the driving motors to make the plurality of cutting saw blades 10 rotate at high speed. As the lifting frame 9 continues to move downward, the purpose of cutting the wood directly below the cutting saw blade 10 can be achieved.

[0031] One side of the lifting frame 9 is fixedly installed with a sliding block. A threaded hole is opened at the top of the sliding block. The sliding block is sleeved outside the driving threaded rod 16 through the threaded hole. When rotating along the axial direction of the driving threaded rod 16, the sliding block can move along the axial direction of the driving threaded rod 16, and by controlling the rotation direction of the driving threaded rod 16, the moving direction of the sliding block can be controlled, which is beneficial to controlling the moving direction of the lifting frame 9. At the same time, a transmission motor is fixedly installed at the top of the cutting frame 3. The power output end of the transmission motor is fixedly connected to the top of the driving threaded rod 16. Starting the transmission motor can realize the rotation of the driving threaded rod 16, thereby providing a power source for the rotation of the driving threaded rod 16 (this is the prior art and will not be elaborated here).

[0032] A guide rod 13 is fixedly installed along the vertical direction on one side of the inner cavity of the cutting frame 3. A guide ring is slidably sleeved on the outer wall of the guide rod 13. The outer wall of the guide ring is fixedly connected to the outer wall of the lifting frame 9. When the lifting frame 9 moves up and down, the guide ring moves along the axial direction of the guide rod 13, thereby limiting the moving direction of the lifting frame 9 and preventing the lifting frame 9 from rotating with the driving threaded rod 16, resulting in the deviation of the moving track of the lifting frame 9, and improving the stability of the up and down movement of the lifting frame 9.

[0033] A blanking groove for blanking is opened at the top of the cutting table 1. The blanking groove is directly below the lifting frame 9. After the cut section of the wood is completely separated from the original wood under the action of the cutting saw blade 10, the cut section of the wood falls into the inner cavity of the blanking groove under the action of gravity and then passes through the blanking groove and falls directly below the cutting table 1, so as to facilitate the centralized collection of the cut wood.

[0034] Among them, the cutting frame 3, the cutting saw blade 10 and the driving threaded rod 16 constitute a cutting device. The cutting device can cut multiple woods simultaneously, ensuring the cutting accuracy of multiple woods and improving the wood cutting efficiency.

[0035] The synchronous belt 2 is fixedly installed on the top of the cutting table 1. A plurality of U-shaped clamping plates 5 are fixedly installed on the outer wall of the synchronous belt 2. Elastic plates 14 are fixedly installed on both sides of the inner cavity of the plurality of U-shaped clamping plates 5. One side of the elastic plate 14 is bent. Among them, the plurality of U-shaped clamping plates 5 are distributed in a rectangular array on the outer wall of the synchronous belt 2. When cutting wood, first place one end of the wood on the top of the synchronous belt 2. Then insert one end of the wood into the inner cavity of one of the U-shaped clamping plates 5 that is farthest from the cutting frame 3, and continuously push the wood to move it in the direction close to the cutting frame 3. Repeat the above operation to place a plurality of woods on the top of the synchronous belt 2 until all the U-shaped clamping plates 5 on the top of the synchronous belt 2 are inserted with woods. At this time, the bent end of the elastic plate 14 is squeezed and deformed and completely fits the outer wall of the wood, thereby realizing the extrusion of the outer wall of the wood and increasing the friction between the outer wall of the wood and the inner wall of the U-shaped clamping plate 5. When the synchronous belt 2 rotates, the wood can be moved along with the synchronous belt 2, and one end of the plurality of woods can be quickly moved into the inner cavity of the cutting frame 3.

[0036] Among them, as the synchronous belt 2 continues to move, a plurality of U-shaped clamping plates 5 at the front end of the moving direction of the synchronous belt 2 will rotate to the bottom of the synchronous belt 2. At this time, a plurality of elastic plates 14 at the front end of the moving direction of the synchronous belt 2 are separated from the outer wall of the wood. At the same time, the elastic plate 14 converts the elastic potential energy into the power of reset, so that the elastic plate 14 quickly resets. And the U-shaped clamping plates 5 at the rearmost end of the moving direction of the synchronous belt 2 continuously rotate from the bottom of the synchronous belt 2 to the top of the synchronous belt 2. When the elastic plate 14 that rotates to the top of the synchronous belt 2 contacts the outer wall of the wood and fits tightly with the outer wall of the wood, it can realize the continuous limiting and pressing of the wood located on the top of the synchronous belt 2, so that the wood can continuously move into the inner cavity of the cutting frame 3 along with the synchronous belt 2, avoiding the situation of slipping between the wood and the rotating synchronous belt 2, improving the moving accuracy of the wood. At the same time, the elastic plate 14 can realize the quick positioning and clamping of the wood, reducing the time and energy required for wood cutting.

[0037] The elastic plate 14 is composed of metal parts. The elastic plate 14 is made of stainless steel material, which can improve the elastic deformation ability and times of the elastic plate 14 and extend the service life of the elastic plate 14.

[0038] Among them, a plurality of woods located on the top of the synchronous belt 2 are flush with each other, and it is ensured that one end of the plurality of woods close to the cutting frame 3 is at the same horizontal line at the initial position (as Figure 1 shown), which can ensure that the lengths of the plurality of woods cut by the plurality of cutting saw blades 10 are the same. The same continuous woods are convenient for subsequent machining, assembly and transportation.

[0039] At most four pieces of wood can be placed on the top of the synchronous belt 2 at one time. At the same time, four cutting saw blades 10 are rotatably installed at one end of the lifting frame 9 through a driving motor. When four pieces of wood are placed on the top of the synchronous belt 2, the four pieces of wood correspond to the four cutting saw blades 10 one by one. At the same time, the central axes of the tops of the corresponding four pieces of wood and the central axes of the four cutting saw blades 10 are not on the same straight line. When the wood moves into the inner cavity of the cutting frame 3, it is avoided that the front end of the wood contacts the outer wall of the lifting frame 9 and the driving motor, so that the length of the wood to be cut can be arbitrarily controlled, thus meeting different processing requirements.

[0040] When the wood is clamped by a plurality of elastic plates 14 on the top of the synchronous belt 2, the synchronous belt is started to rotate, so that the wood located on the top of the synchronous belt 2 can move into the inner cavity of the cutting frame 3. By controlling the rotation duration of the synchronous belt 2, the moving distance of the wood is accurately controlled, so as to accurately control the length of the wood to be cut.

[0041] According to the applicant's understanding of the prior art, when the elastic plate 14 rotating to the top of the synchronous belt 2 contacts the outer wall of the wood and is squeezed to deform, the elastic plate 14 applies an upward thrust to the outer wall of the wood, which easily causes the end of the wood far from the cutting frame 3 to tilt. At the same time, when the wood is cut, the cutting saw blade 10 continuously applies a downward pressure to the top of the wood, resulting in the end of the wood far from the cutting frame 3 tilting when being cut. When either end of the wood tilts, it will cause an increase in the force on the end of the cutting saw blade 10 located inside the cutting seam (a cutting seam will be generated when the wood is cut by the cutting saw blade 10), resulting in the cutting saw blade 10 being prone to tooth breakage or fracture.

[0042] To solve the above technical problems, a plurality of U-shaped plates 6 are fixedly installed between two adjacent U-shaped frames 4. In the inner cavities of the plurality of U-shaped plates 6, extrusion rollers 7 for pressing the top of the wood are rotatably installed. Guide grooves are vertically formed on both sides of the inner cavities of the plurality of U-shaped plates 6. Sliders 12 are slidably installed in the inner cavities of the plurality of guide grooves. And extrusion springs 11 connected to the sliders 12 are fixedly installed in the inner cavities of the plurality of guide grooves. The two ends of the extrusion roller 7 are rotatably connected to the adjacent two sliders 12 through rotating shafts. When the wood is placed on the top of the synchronous belt 2, the bottom of the extrusion roller 7 is pushed upward by the thrust of the wood at this time until the bottom of the wood fits with the top of the synchronous belt 2, and the top of the wood fits with the bottom of the extrusion roller 7 (as Figure 1As shown in the figure, at this time, the extrusion spring 11 is compressed. At the same time, the extrusion spring 11 exerts pressure on the extrusion roller 7, so that the extrusion roller 7 continuously presses on the top of the wood, enabling the bottom of the wood to closely fit with the top of the synchronous belt 2. This prevents the wood from being pushed by the elastic plate 14 and tilting when moving under the rotation of the synchronous belt 2. At the same time, it avoids the situation where the cutting end of the wood tilts due to the extrusion of the cutting saw blade 10 when the wood is cut, improving the stability of the wood during movement and cutting. It also prevents the cutting seam generated when the cutting saw blade 10 cuts the wood from exerting too much pressure on the outer wall of the cutting saw blade 10, causing it to break teeth or break. At the same time, it avoids the change of the cutting path of the wood when it is cut, improving the cutting accuracy of the wood.

[0043] When the wood moves as the synchronous belt 2 rotates, the multiple extrusion rollers 7 rotate along the tangential direction of the top of the wood and rotate around the rotation axis, reducing the resistance when the wood moves and improving the smoothness and stability of the wood during movement.

[0044] After the top of the wood separates from the bottom of the extrusion roller 7, the extrusion spring 11 converts elastic potential energy into kinetic energy for the slider 12 to reset, so that the extrusion roller 7 quickly resets, which is beneficial for the extrusion roller 7 to limit the subsequent wood placed on the top of the synchronous belt 2.

[0045] On both sides of the top of the cutting table 1, a plurality of sliding grooves communicating with its own bottom are symmetrically opened. The bottoms of the plurality of U-shaped frames 4 all extend into the inner cavities of the plurality of sliding grooves. On both sides of the cutting table 1, a plurality of through holes communicating with the inner cavities of the plurality of sliding grooves are opened. In the inner cavities of the plurality of through holes, limit bolts are detachably installed. On both sides of the plurality of U-shaped frames 4, a plurality of threaded holes adapted to the limit bolts are opened along the vertical direction. When the height of the wood is much greater than the straight-line distance from the bottom of the extrusion roller 7 to the top of the synchronous belt 2 (that is, the height of the wood is greater than the straight-line distance from the central axis of the extrusion roller 7 to the top of the synchronous belt 2), when the top of the wood contacts the outer wall of the extrusion roller 7, the extrusion roller 7 cannot rotate around the rotation axis, resulting in an obstacle to the movement of the wood by the extrusion roller 7. At this time, rotate the limit bolts until the plurality of limit bolts are removed from the plurality of threaded holes, and then move the U-shaped frame 4 upward until the top of the wood is located between the central axis of the extrusion roller 7 and its own bottom after the wood is placed on the top of the synchronous belt 2, and make the middle of the threaded hole on the outer wall of the U-shaped frame 4 closest to the limit through hole be at the same horizontal line as the middle of the opening end of the through hole. Immediately insert the limit bolts back into the threaded holes to reposition the U-shaped frame 4. If the height of the wood is much less than the straight-line distance from the bottom of the extrusion roller 7 to the top of the synchronous belt 2, adjust the U-shaped frame 4 in the reverse direction and re-fix the adjusted U-shaped frame 4, which is beneficial for limiting woods of different heights by the extrusion roller 7 and ensuring the stable movement of woods of different heights.

[0046] According to the applicant's understanding of the prior art, when using the cutting saw blade 10 to cut wood, the cutting saw blade 10 will continuously transmit energy to the wood, which may cause the wood to easily sway left and right, and in severe cases, it may tip over, causing the cut surface of the wood to become skewed and have more burrs, affecting the subsequent splicing or polishing of the wood. In severe cases, it may cause the cutting saw blade 10 to get stuck, causing the cutting saw blade 10 to break or break, and the drive motor to burn out due to overload.

[0047] In order to solve the above technical problems, a plurality of U-shaped frames 4 are installed on the top of the cutting table 1 by bolts, and the plurality of U-shaped frames 4 span both sides of the synchronous belt 2, and a plurality of vertical plates 8 are fixedly installed on the inner wall of the plurality of U-shaped frames 4 away from the cutting table 1, wherein the adjacent sides of two adjacent vertical plates 8 are installed with guide rollers 15 that prevent the wood from shaking left and right along the vertical direction. When the wood is inserted into the inner cavity of the U-shaped splint 5, the plurality of guide rollers 15 on the adjacent sides of the two adjacent vertical plates 8 are simultaneously fitted with the outer wall of the wood, thereby limiting the position of the wood. When the cutting saw blade 10 continuously transmits energy to the wood, the two sides of the wood exert pressure on the outer wall of the guide roller 15, thereby preventing the wood from swinging left and right under the action of the guide roller 15, avoiding the skewing and burr increase of the cut surface of the wood, so as to facilitate the subsequent splicing or grinding of the wood, and preventing the wood from tipping over, avoiding the cutting saw blade 10 from being stuck, resulting in chipped teeth or breakage of the cutting saw blade 10, and the driving motor from burning due to overload.

[0048] When the wood moves, the multiple guide rollers 15 rotate along the tangent direction of the wood. The multiple guide rollers 15 can not only prevent the wood from swinging left and right, but also reduce the resistance of the wood when moving, further improving the smoothness of the wood movement.

[0049] The guide roller 15, the U-shaped clamping plate 5, the elastic plate 14 and the squeezing roller 7 constitute a clamping member, through which multiple woods can be clamped and limited at the same time, and it is ensured that the multiple clamped woods do not contact each other, so that multiple cutting saw blades 10 can cut multiple woods at the same time, and avoid the situation that the ends of multiple woods are tilted or swung left and right when being cut, and prevent the cutting saw blades 10 from chipping or breaking when cutting the wood. At the same time, the positioning and clamping of multiple woods can be quickly realized, which reduces the time and energy required for wood cutting and improves the efficiency of wood cutting.

[0050] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A wood cutting device, characterized in that, Including: A cutting table (1) with a cutting frame (3) fixedly installed on the top. Inside the cutting frame (3), there is a cutting device for cutting wood. A synchronous belt (2) is fixedly installed on the top of the cutting table (1), and a clamping member is arranged outside the synchronous belt (2). Multiple pieces of wood can be clamped simultaneously by the clamping member, and it is ensured that the multiple clamped pieces of wood are not prone to shaking and deviation during cutting and movement.

2. The wood cutting device according to claim 1, wherein: The clamping member includes a U-shaped clamping plate (5) and a U-shaped frame (4). A plurality of U-shaped clamping plates (5) are fixedly installed on the synchronous belt (2). A plurality of U-shaped frames (4) are installed on the top of the cutting table (1) by bolt cooperation. The plurality of U-shaped frames (4) all span both sides of the synchronous belt (2), and a plurality of vertical plates (8) are fixedly installed on the inner walls of the plurality of U-shaped frames (4) away from the cutting table (1). Guide rollers (15) for preventing the wood from shaking left and right are rotatably installed along the vertical direction on one side where two adjacent vertical plates (8) are adjacent.

3. The wood cutting device according to claim 2, characterized in that: On both sides of the inner cavity of the plurality of U-shaped clamping plates (5), elastic plates (14) are fixedly installed. One side of the elastic plate (14) is bent, and the elastic plate (14) is composed of metal parts.

4. The wood cutting device according to claim 2, characterized in that: On both sides of the top of the cutting table (1), a plurality of sliding grooves communicating with its bottom are symmetrically opened. The bottoms of the plurality of U-shaped frames (4) all extend into the inner cavities of the plurality of sliding grooves. On both sides of the cutting table (1), a plurality of through holes communicating with the inner cavities of the plurality of sliding grooves are opened. Limit bolts are detachably installed in the inner cavities of the plurality of through holes. Threaded holes adapted to the limit bolts are opened along the vertical direction on both sides of the plurality of U-shaped frames (4).

5. The wood cutting device according to claim 2, characterized in that: A plurality of U-shaped plates (6) are fixedly installed between two adjacent U-shaped frames (4). Pressing rollers (7) for pressing the top of the wood are rotatably installed in the inner cavities of the plurality of U-shaped plates (6).

6. The wood cutting device according to claim 5, characterized in that: On both sides of the inner cavity of the plurality of U-shaped plates (6), guide grooves are opened along the vertical direction. Sliders (12) are slidably installed in the inner cavities of the plurality of guide grooves, and compression springs (11) connected to the sliders (12) are fixedly installed in the inner cavities of the plurality of guide grooves. Both ends of the pressing roller (7) are rotatably connected to two adjacent sliders (12) through rotating shafts.

7. A wood cutting device according to claim 1, characterized in that: The cutting device includes a lifting frame (9) and a cutting saw blade (10). The lifting frame (9) is slidably installed in the inner cavity of the cutting frame (3). A driving threaded rod (16) for moving the lifting frame (9) up and down is rotatably installed in the inner cavity of the cutting frame (3). A plurality of driving motors are fixedly installed at one end of the lifting frame (9) close to the synchronous belt (2). Cutting saw blades (10) for cutting wood are detachably installed at the power output ends of the plurality of driving motors.

8. A wood cutting device according to claim 7, characterized in that: On one side of the inner cavity of the cutting frame (3), a guide rod (13) is fixedly installed along the vertical direction. A guide ring is slidably sleeved on the outer wall of the guide rod (13). The outer wall of the guide ring is fixedly connected to the outer wall of the lifting frame (9).

9. A wood cutting device according to claim 7, characterized in that: A blanking groove for blanking is opened on the top of the cutting table (1), and the blanking groove is directly below the lifting frame (9).

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