WO2023206691A1

WO2023206691A1 - Wood cutting device having automatic size screening function, and wood cutting method therefor

Info

Publication number: WO2023206691A1
Application number: PCT/CN2022/095539
Authority: WO
Inventors: 唐军
Original assignee: 胡灵芝
Priority date: 2022-04-29
Filing date: 2022-05-27
Publication date: 2023-11-02
Also published as: CN114714443A

Abstract

Disclosed in the present invention is a wood cutting device having an automatic size screening function. The wood cutting device comprises a controller, a size detection device, a conveying device, a liquid pushing device, cutting guide pipelines, and a cutting device, wherein the size detection device is mounted at an input end of the conveying device, and an output end of the conveying device is connected to an input end of the liquid pushing device; the liquid pushing device comprises a bearing frame, a tank, a liquid pushing mechanism, and a liquid supply device; the tank is mounted on the bearing frame, and the liquid supply device communicates with a cavity; and all the cutting guide pipelines are mounted at intervals on the side of the cavity away from the conveying device, guide assemblies are provided at input ends of the cutting guide pipelines, the cutting guide pipelines are internally provided with transmission mechanisms, and the transmission mechanisms are used for conveying wooden battens to the cutting device located at output ends of the cutting guide pipelines. The wood cutting device having an automatic size screening function in the present invention has the advantages of a good cutting effect and being capable of protecting a cutter. Further disclosed in the present invention is a wood cutting method.

Description

Wood cutting device with automatic size screening and wood cutting method thereof

Technical field

The invention relates to the field of automated wood cutting equipment, and in particular to a wood cutting device with automatic size screening.

Background technique

Our country is a large agricultural country with a large rural population. Every household still uses wood to make houses and furniture, and still uses firewood for living. This is a habit passed down from generation to generation. Existing logging factories, that is, wood cutting factories, often need to process the wood. Cutting, the cutting tools used in wood depend on the age of the tree and the cross-sectional area are different, because the cutting effects of different cutting tools are different, especially for some houses in Tibetan areas, the wood used in their construction They are all very precious. In order to achieve better cutting results, different cutting tools are used for different sizes of wood. Moreover, some wood is very dry and is cut directly without being moistened, which may cause direct cracking. Existing logging equipment The wood will not be screened for size, and the same cutting tool will be used for wood of any size. This may damage the corresponding cutting tool, and the cutting effect is not good, so it cannot meet the existing wood cutting needs.

In view of this, it is very necessary to invent a wood cutting device with automatic size screening.

Contents of the invention

An object of the present invention is to provide a wood cutting device that automatically selects the size of the wood by transporting the wood to a corresponding cutting position for cutting according to the size of the wood, which has the advantages of excellent cutting effect and the ability to protect the cutter.

Another object of the present invention is to provide a wood cutting method that transports wood to a corresponding cutting position for cutting according to the size of the wood, which has the advantages of excellent cutting effect and the ability to protect the cutter.

In order to achieve the above object, the present invention provides a wood cutting device for automatic size screening including a controller, a size detection device, a conveying device, a liquid pushing device, a cutting guide pipe and a cutting device. The size detecting device is installed on the conveying device. At the input end, the size detection device is used to detect the cross-sectional size of the wooden strips. The output end of the conveying device is connected to the input end of the liquid pushing device. The conveying device uses the information fed back by the size detection device to The device can transport the wooden strips to the target position at the liquid pushing device. The liquid pushing device includes a carrying frame, a pool body, a liquid pushing mechanism and a liquid supply device. The pool body is installed on the carrying frame, so The pool is recessed inwards to form a cavity that opens upward and is used to carry liquid. The liquid supply device is connected to the cavity. There are at least two cutting guide pipes, and all the cutting guide pipes are spaced apart. is installed on the side of the cavity away from the conveying device. The input end of the cutting guide pipe has a guide assembly. The information fed back by the size detection device causes the wooden strips floating on the cavity to be The liquid pushing mechanism and the guidance of the guide assembly selectively enter any of the cutting guide pipes. There is a transmission mechanism in the cutting guide pipe, and the transmission mechanism is used to transport the wood strips to the location where The cutting device at the output end of the cutting guide pipe; the controller is electrically connected to the size detection device, the conveying device, the liquid pushing device, the liquid supply device, the transmission mechanism and the cutting device respectively.

Compared with the prior art, the wood cutting device for automatic size screening of the present invention combines a controller, a size detection device, a conveyor device, a liquid pushing device, a cutting guide pipe, a cutting device, etc., and the size detection device is installed on the conveyor At the input end of the device, the size detection device is used to detect the cross-sectional size of the wooden strips. The size detection device can classify the wooden strips according to the cross-sectional size of the wooden strips and filter them to the corresponding cutting guide pipe for cutting by the corresponding cutting device. , set the cutting guide pipe as the target cutting guide pipe, and the cutting device corresponding to the target cutting guide pipe corresponds to the cross-sectional size of the wood, that is, the cutting tool of the cutting device is suitable for the wood of this cross-sectional size, achieving automatic screening. The purpose of wood size; the output end of the conveying device is connected to the input end of the liquid pushing device, and the information conveying device fed back by the size detection device can convey the wood strips to the target position of the liquid propelling device, and the conveying device conveys the wood strips To the side of the liquid pushing device close to the target cutting guide pipe, the wooden strips enter the liquid pushing device and float on the liquid to complete the preliminary position adjustment. The wooden strips wet the outer surface of the wood through the liquid and can initially clean the outer surface of the wood. Preliminary cleaning of the wood surface can prevent sand and gravel on the wood surface from affecting the cutting effect, and moistening the surface can effectively prevent the wood from being too dry and causing cracking during cutting. The cutting effect is excellent and can effectively protect the cutting device. Cutting tool, the liquid pushing device includes a carrying frame, a pool body, a liquid pushing mechanism and a liquid supply device. The pool body is installed on the bearing frame, and the pool body is recessed to form a cavity with an opening facing upward and used to carry liquid. The liquid supply device and The cavities are connected, and at least two cutting guide pipes are provided. All cutting guide pipes are installed at intervals on the side of the cavity away from the conveying device. Different cutting guide pipes correspond to different types of cutting devices, so that the cutting guide can be used The pipeline is screened and guided. The input end of the cutting guide pipeline is equipped with a guide assembly. The information fed back by the size detection device allows the wooden strips floating on the cavity to selectively enter under the push of the liquid pushing mechanism and the guidance of the guide assembly. to any cutting guide pipe to complete the final screening and transportation. There is a transmission mechanism in the cutting guide pipe. The transmission mechanism is used to transport the wood strips to the cutting device located at the output end of the cutting guide pipe. It can be understood that the wood itself is used to The buoyancy effect on the liquid allows the liquid pushing mechanism to control the movement direction of the wood without requiring a lot of power. It is not only labor-saving, but also flexible in adjustment. It integrates the characteristics of the wood to set up its own unique conveying device and screening device; The controller is electrically connected to the size detection device, conveying device, liquid pushing device, liquid supply device, transmission mechanism and cutting device respectively, so that the controller is used to coordinate the work between the various mechanisms, thereby forming a streamlined screening, transportation and cutting Operation.

Preferably, the cavity has a front side wall, a right side wall, a rear side wall and a left side wall connected in sequence, and the front side wall and the rear side wall are arranged oppositely along the direction of the conveying device, The liquid pushing mechanism includes a first liquid pushing device, a second liquid pushing device and a third liquid pushing device. The front side wall is located on the side of the cavity close to the delivery device. The first liquid pushing device The device is installed on the front side wall. The first liquid pushing device is used to push the liquid to the cutting guide pipe. The second liquid pushing device is installed on the left side wall. The second liquid pushing device is installed on the left side wall. The pushing device is used to push the liquid to the right side wall. The third liquid pushing device is installed on the right side wall. The third liquid pushing device is used to push the liquid to the left side wall. The wooden strips floating on the cavity are moved to the target cutting guide pipe by the coordinated work among the first liquid pushing device, the second liquid pushing device and the third liquid pushing device.

Specifically, the first liquid pushing device, the second liquid pushing device and the third liquid pushing device each include a plurality of gas injection devices arranged at intervals in the cavity, and the gas injection devices It is built into the pool body and has a gas injection hole located on the inner wall of the cavity.

Specifically, the wood cutting device with automatic size screening also includes a camera. The camera is installed on the pool body. The camera is electrically connected to the controller. The camera is used to detect floating wooden strips. Location.

Preferably, the guide assembly includes a left arc-shaped guide piece and a right arc-shaped guide piece, the left arc-shaped guide piece is provided on one side of the cutting guide pipe, and the left arc-shaped guide piece is provided on the other side of the cutting guide pipe. The right arc-shaped guide piece, the left arc-shaped guide piece and the right arc-shaped guide piece of the adjacent cutting guide pipe are spliced to each other to form a semicircular structure.

Preferably, the cutting device includes a cutting driving device and a cutting knife, the cutting knife is installed at the output end of the cutting driving device, the cutting knife rotates under the driving of the cutting driving device, the cutting device There are at least two cutting tools, each of which corresponds to one of the cutting guide pipes. All cutting devices are installed on a cutting frame. The cutting frame and the carrying frame are arranged at intervals along the conveying direction of the conveying device. So that a leakage gap is formed between the cutting frame and the bearing frame, the cutting guide pipe is provided with a leakage hole correspondingly at the leakage gap, and a leakage hole is provided below the leakage hole. A liquid recovery funnel is connected to the liquid supply device, and the recovered liquid is pumped into the cavity through the liquid supply device.

Preferably, the conveying device includes a conveying frame body, a conveying drive device, a conveyor belt, a front conveying cross bar, a rear conveying cross bar, a sliding vertical bar, a sliding driving device and a fixed vertical bar. The fixed vertical bar is installed On the conveyor frame body, the sliding vertical rod is slidably provided on the fixed vertical rod, the sliding driving device is installed on the fixed vertical rod, and the sliding vertical rod is also installed on the sliding vertical rod. At the output end of the driving device, one end of the front conveying cross bar is movably connected to the conveying frame body, the other end of the front conveying cross bar is movably connected to one end of the sliding vertical bar, and the rear conveying cross bar One end is movably connected to the conveyor frame body, the other end of the rear conveyor crossbar is connected to the other end of the sliding vertical bar, the front conveyor crossbar, the conveyor frame body, the rear conveyor crossbar and the sliding The vertical bars together form a deformable parallelogram structure. The conveyor belt is wound between the front conveyor cross bar and the rear conveyor cross bar. The conveyor driving device is installed on the conveyor frame body. The conveyor belt Installed at the output end of the conveyor driving device, the conveyor belt is driven by the conveyor drive device, the sliding vertical rod moves forward and backward under the driving of the sliding driving device, and drives the parallel The quadrilateral structure deforms and drives the wrapped conveyor belt to deform. The deformation of the conveyor belt changes the transmission direction of the conveyor device. The controller is electrically connected to the sliding drive device and the conveyor drive device respectively.

In order to achieve the above object, the invention provides a wood cutting method based on a size automatic screening wood cutting device, including the following steps:

(S1) Establish a wood cutting device with automatic size screening. The wood cutting device with automatic size screening includes a controller, a size detection device, a conveying device, a liquid pushing device, a cutting guide pipe and a cutting device. The liquid pushing device includes a bearing frame, Pool body, liquid pushing mechanism and liquid supply device. The liquid pushing mechanism includes a first liquid pushing device, a second liquid pushing device and a third liquid pushing device. The pool body is installed on the carrier frame. The pool body is recessed to form an opening facing upwards. A cavity used to carry liquid, the liquid supply device is connected with the cavity, and there are at least two cutting guide pipes. All cutting guide pipes are installed at intervals on the side of the cavity away from the conveying device. The input end of the guide pipe has a guide assembly, and the cutting guide pipe has a transmission mechanism;

(S2) The size detection device detects the cross-sectional size of the wood and feeds it back to the controller. Based on the information fed back by the size detection device, the controller decides to transport the wood strips to any cutting guide pipe, and sets the cutting guide pipe to Target cutting guide pipe, the cutting device corresponding to the target cutting guide pipe corresponds to the cross-sectional size of the wood, that is, the cutting knife of the cutting device is suitable for the wood of this cross-sectional size, and the conveying device transports the wood strips Transported to the side of the liquid pushing device close to the target cutting guide pipe, the wooden strips enter the liquid pushing device and float on the liquid to complete the preliminary position adjustment. The wooden strips wet the outer surface of the wood through the liquid and can initially clean the outer surface of the wood. ;

(S3) When the target cutting guide pipe is located on the left side, the third liquid pushing device located on the right side ejects high-pressure gas and pushes the liquid to the left side wall of the cavity and drives the floating wooden strips close to the left side wall, or, When the target cutting guide pipe is located on the right side, the second liquid pushing device located on the left sprays high-pressure gas and pushes the liquid to the right wall of the cavity and drives the floating wooden strips close to the right wall. The camera acquires the image of the wooden strips. position and adjust the position of the wooden strip in the left and right direction in real time through the second liquid pushing device or the third liquid pushing device so that the wooden strip is facing the target cutting guide pipe, and the first liquid pushing device sprays high-pressure gas and pushes the liquid to the target cutting The guide pipe uses the buoyancy of the wooden strips, the push of the liquid pushing mechanism and the guidance of the guide assembly to drive the floating wooden strips into the target cutting guide pipe;

(S4) The transmission mechanism transports the wood strips from the input end of the target cutting guide pipe to the output end of the target cutting guide pipe;

(S5) The cutting device located at the output end cuts the wooden strips.

Compared with the existing technology, the wood cutting method of the present invention can form multiple processes such as automated preliminary position adjustment, preliminary wetting and cleaning, using liquid to push it into the target cutting guide pipe and cutting, etc. The size detection device can according to the shape of the wooden strips. The cross-sectional size classifies the wood strips and filters them into the corresponding cutting guide pipes for cutting by the corresponding cutting device. That is, the cutting tool of the cutting device is suitable for the wood of this cross-sectional size to achieve corresponding cutting. Not only the cutting effect is excellent, And it can protect the cutter; the wooden strips wet the outer surface of the wood with liquid and can initially clean the outer surface of the wood. After the initial cleaning of the wood surface, sand and gravel on the surface of the wood can be prevented from affecting the cutting effect, and wetting the surface can effectively prevent The wood is too dry and causes cracking during cutting. The cutting tool has excellent cutting effect and can effectively protect the cutting device.

Preferably, in step (S2), the conveying device includes a conveying frame, a conveying drive device, a conveyor belt, a front conveying cross bar, a rear conveying cross bar, a sliding vertical bar, a sliding driving device and a fixed Vertical rod, the fixed vertical rod is installed on the conveyor frame body, the sliding vertical rod is slidably provided on the fixed vertical rod, the sliding driving device is installed on the fixed vertical rod, the sliding vertical rod The vertical bar is also installed on the output end of the sliding drive device. One end of the front conveying cross bar is movably connected to the conveying frame body, and the other end of the front conveying cross bar is connected to one end of the sliding vertical bar. Movably connected, one end of the rear conveying cross bar is movably connected to the conveying frame body, the other end of the rear conveying cross bar is connected to the other end of the sliding vertical bar, the front conveying cross bar, the conveying frame The body, the rear conveying cross bar and the sliding vertical bar jointly form a deformable parallelogram structure, the conveyor belt is wound between the front conveying cross bar and the rear conveying cross bar, and the conveying driving device is installed on the The conveyor frame body, the conveyor belt is installed at the output end of the conveyor driving device, the conveyor belt is driven by the conveyor driving device, and the sliding vertical rod is driven by the sliding driving device. Move forward and backward, and drive the parallelogram structure to deform and drive the wrapped conveyor belt to deform. Through the deformation of the conveyor belt, the transmission direction of the conveyor device is changed, that is, the conveyor device transports the wooden strips to the liquid pushing device. On the side close to the target cutting guide pipe, the information fed back by the size detection device causes the parallelogram structure to deform and form an oblique transmission device with a conveying direction toward the target cutting guide pipe.

Preferably, step (S5) also includes: step (S6), establishing a liquid recovery funnel and a liquid supply device, and the liquid in the cutting guide pipe falls to the bottom through the leak hole at the cutting guide pipe. The liquid recovery funnel collects liquid, and the liquid supply device pumps the recovered liquid into the cavity to recover the outflowing liquid.

Description of the drawings

Figure 1 is a schematic three-dimensional structural diagram of a wood cutting device with automatic size screening according to the present invention.

Figure 2 is a top view of the automatic size screening wood cutting device of the present invention and the wood strips under the action of the second liquid pushing device and the third liquid pushing device.

Figure 3 is a top view of the automatic size screening wood cutting device of the present invention and the wood strips under the action of the first liquid pushing device.

Fig. 4 is a three-dimensional partial structural diagram of the conveying device in the automatic size screening wood cutting device of the present invention.

FIG. 5 is a schematic three-dimensional partial structural diagram of the conveying device in the automatic size screening wood cutting device of the present invention from another angle.

Fig. 6 is a state diagram of the conveying device in the automatic size screening wood cutting device of the present invention and before and after the sliding vertical rod moves relative to the conveying frame body.

Figure 7 is an electronic structural diagram of the wood cutting device with automatic size screening according to the present invention.

Detailed ways

Please refer to Figures 1 to 7, which illustrate the specific structure of the automatic size screening wood cutting device 100 of the present invention, which includes a controller 1, a size detection device 2, a conveying device 3, a liquid pushing device 4, a cutting guide pipe 6 and Cutting device 8. The wood cutting device 8 is provided with two groups separated by a partition 5 . The controller 1 is electrically connected to the size detection device 2, the conveying device 3, the liquid pushing device 4, the liquid supply device (not shown), the transmission mechanism 10 and the cutting device 8 respectively, so that the controller 1 is used to coordinate the interactions between the various mechanisms. work, thus forming a streamlined screening, transportation and cutting operation. The size detection device 2 is installed at the input end of the conveying device 3. The size detection device 2 is used to detect the cross-sectional size of the wooden strip 20. The size detection device 2 can be moved. The size detection device 2 is a CCD camera device. The size detection device 2 can By photographing the cross section of the wooden strip 20, the cross-sectional size of the wooden strip 20 is obtained and fed back to the controller 1. The size detection device 2 can be provided in multiple numbers and spaced apart at the input end of the conveying device 3. Of course, , the size detection device 2 can be installed suspended above the conveyor device 3 through the frame, and the manufacturer can adjust it as needed. The size detection device 2 can classify the wooden strips 20 according to the cross-sectional size of the wooden strips 20 and filter them to the corresponding cutting guide pipe 6 for cutting by the corresponding cutting device 8, and set the cutting guide pipe 6 as the target cutting guide pipe. 6. The cutting device 8 corresponding to the target cutting guide pipe 6 corresponds to the cross-sectional size of the wood, that is, the cutting tool 82 of the cutting device 8 is suitable for the wood of the cross-sectional size, so as to filter the wood to the target cutting according to its size. The purpose of the guide pipe 6 is that the conveying device 3 is arranged adjacent to the liquid pushing device 4, and the output end of the conveying device 3 is connected to the input end of the liquid pushing device 4. The information conveying device 3 fed back by the size detection device 2 can transport the wood The strip 20 is transported to the target position at the liquid pushing device 4, that is, the transporting device 3 transports the wooden strip 20 to the side of the liquid pushing device 4 close to the target cutting guide pipe 6, such as a wooden strip 20 near the left in Figure 2 side, another wooden bar 20 is close to the right side, and the wooden bar 20 enters the liquid pushing device 4 and floats on the liquid, so that the position of the wooden bar 20 is adjusted to be close to the side of the target cutting guide pipe 6, and the preliminary position adjustment is completed. The wooden strips 20 wet the outer surface of the wood through liquid and can initially clean the outer surface of the wood during the movement. After the preliminary cleaning of the wood surface, sand and gravel on the wood surface can be prevented from affecting the cutting effect, and the surface can be effectively moistened. This prevents the wood from being too dry and causing cracking during cutting. The cutting effect is excellent and the cutting tool 82 of the cutting device 8 can be effectively protected. The liquid pushing device 4 includes a carrying frame 41, a pool body 42, a liquid pushing mechanism 43 and a liquid supply device. The pool body 42 is installed on the carrying frame 41. The pool body 42 is recessed inward to form a cavity 421 with an upward opening for carrying liquid. , the liquid carried is set to water and other liquids, and the manufacturer can adjust it according to needs. The liquid supply device is connected with the cavity 421, and the liquid supply device can pump liquid into the cavity 421. The liquid supply device (not shown) includes The water inlet pipe, water outlet pipe, pressure pump, liquid circulation device and liquid filter device are combined components. Since the specific structure of the liquid supply device is not the focus of this application, it will not be described here. The cutting guide pipe 6 is provided with at least two All cutting guide pipes 6 are installed at intervals on the side of the cavity 421 away from the conveying device 3. Different cutting guide pipes 6 correspond to different types of cutting devices 8, so that the cutting guide pipes 6 can be used for screening and guidance. , the input end of the cutting guide pipe 6 has a guide assembly 7, and the information fed back by the size detection device 2 allows the wooden strips 20 floating on the cavity 421 to be selectively pushed by the liquid pushing mechanism 43 and guided by the guide assembly 7 Enter any cutting guide pipe 6 to complete final screening and transportation. There is a transmission mechanism 10 in the cutting guide pipe 6. The transmission mechanism 10 can be a conveyor belt device, but is not limited to this. The transmission mechanism 10 is used to transport the incoming wooden strips 20 to the cutting device 8 located at the output end of the cutting guide pipe 6. The cutting device 8 cuts the wooden strips 20. At the same time, the buoyancy of the wood itself on the liquid is utilized, The liquid pushing mechanism 43 can control the movement direction of the wood without requiring a lot of power, which is not only labor-saving, but also flexible in adjustment. It integrates the characteristics of the wood to set up its own unique conveying device 3 and screening device. In addition, the cutting guide pipe 6 can also be set to have different diameters to correspond to different cross-sections of the wooden strips 20, so that the wooden strips 20 can also be further screened. It is understandable that if the humidity of the wooden strips does not exceed 60%, it will not affect its cutting. Generally, soaking for a short period of time will not affect later cutting. More specifically, as follows:

Please refer to Figures 1 to 3. The cavity 421 is a rectangular cavity 421 opened in the pool body 42. The cavity 421 has a front side wall 4211, a right side wall 4212, a rear side wall 4213 and a left side wall 4214 connected in sequence. , the front side wall 4211 and the rear side wall 4213 are arranged oppositely along the direction of the conveying device 3, the left side wall 4214 and the right side wall 4212 are located on both sides of the front side wall 4211, and the left side wall 4214 and the right side wall 4212 are opposite. The liquid pushing mechanism 43 includes a first liquid pushing device 431, a second liquid pushing device 432 and a third liquid pushing device 433. The front side wall 4211 is located on the side of the cavity 421 close to the conveying device 3. The device 431 is installed on the front side wall 4211. The first liquid pushing device 431 is used to push the liquid to the cutting guide pipe 6. The second liquid pushing device 432 is installed on the left side wall 4214. The second liquid pushing device 432 is used to push the liquid to the cutting guide pipe 6. The liquid is pushed to the right side wall 4212. The third liquid pushing device 433 is installed on the right side wall 4212. The third liquid pushing device 433 is used to push the liquid to the left side wall 4214. Through the first liquid pushing device 431 and the second The coordinated work between the liquid pushing device 432 and the third liquid pushing device 433 causes the wood strip 20 floating on the cavity 421 to move to the target cutting guide pipe 6 . Specifically, the first liquid pushing device 431 , the second liquid pushing device 432 and the third liquid pushing device 433 each include a plurality of gas injection devices 434 spaced apart from each other in the cavity 421 , and the gas injection devices 434 are built into the pool body. 42 and has gas injection holes 4341 located on the inner wall of the cavity 421, and the gas injection devices 434 are arranged at equal intervals. In other embodiments, the first liquid pushing device 431 , the second liquid pushing device 432 and the third liquid pushing device 433 may be provided with propeller devices, and the vortices created by the propeller devices are used to push the liquid to move.

Please refer to Figures 1 to 3 and 7. The wood cutting device 100 for automatic size screening of the present invention also includes a camera 11. The camera 11 is installed on the pool body 42. The camera 11 can be suspended in the pool body through an external frame. 42, the camera 11 is electrically connected to the controller 1, and the camera 11 is used to detect the position of the floating wooden strip 20. The camera 11 feeds back the position information of the wooden strip 20 to the controller 1. The controller 1 coordinates the movement between the first liquid pushing device 431, the second liquid pushing device 432 and the third liquid pushing device 433. Since the first liquid pushing device 431. There are multiple second liquid pushing devices 432 and third liquid pushing devices 433. The plurality of first liquid pushing devices 431 are arranged at intervals, the plurality of second liquid pushing devices 432 are arranged at intervals, and the plurality of second liquid pushing devices 432 are arranged at intervals. The third liquid pushing device 433 is arranged at intervals, and utilizes the mutual cooperation between the first liquid pushing device 431, the second liquid pushing device 432 and the third liquid pushing device 433, for example, to control multiple first liquid pushing devices 431. One of them works to control the swing, forward and backward movement, and left and right movement of the wooden bar 20 in conjunction with the image acquired by the camera 11, thereby adjusting the moving position of the wooden bar 20.

Please refer to Figures 1 to 3. The guide assembly 7 includes a left arc-shaped guide piece 71 and a right arc-shaped guide piece 72. The left arc-shaped guide piece 71 is provided on one side of the cutting guide pipe 6, and the left arc-shaped guide piece 71 is provided on the other side of the cutting guide pipe 6. A right arc-shaped guide piece 72 is provided, and the left arc-shaped guide piece 71 and the right arc-shaped guide piece 72 of the adjacent cutting guide pipe 6 are spliced to each other to form a semicircular structure. The bottoms of the left arc-shaped guide piece 71 and the right arc-shaped guide piece 72 are connected to the bottom of the cavity 421, so that they can form a closed cavity 421 together with the left side wall 4214, the right side wall 4212 and the front side wall 4211. Since the left arc-shaped guide piece 71 and the right arc-shaped guide piece 72 have an arc structure, the wooden strip 20 can enter the target position along the arc of the arc structure.

Referring to Figures 1 to 3, the cutting device 8 includes a cutting drive device 83 and a cutting knife 82. The cutting knife 82 is installed at the output end of the cutting driving device 83. The cutting knife 82 rotates under the driving of the cutting driving device 83. The cutting device 8 There are at least two cutting knives 82 each corresponding to a cutting guide pipe 6. The cutting drive devices 83 of all cutting devices 8 are installed on the cutting frame 81. The cutting frame 81 and the carrying frame 41 are spaced apart along the conveying direction of the conveying device 3. The cutting guide pipe 6 is provided with a leakage hole 91 at the leakage gap 9, and a liquid recovery funnel is provided below the leakage hole 91. (not shown), the liquid recovery funnel is connected to a liquid supply device, and the recovered liquid is pumped into the cavity 421 through the liquid supply device. It can be understood that some liquid will pour into the cutting guide pipe 6. When the liquid channel leakage hole 91, the liquid flows through the leakage hole to the liquid recovery funnel located below, and the liquid supply device extracts the liquid collected in the liquid recovery funnel. The liquid is pumped into the cavity 421 through the pump body, thereby forming a circulation device.

Referring to Figures 1 to 6, the conveying device 3 includes a conveying frame 31, a conveying drive device 32, a conveyor belt 33, a front conveying cross bar 34, a rear conveying cross bar 35, a sliding vertical bar 36, a sliding driving device 37 and The fixed vertical rod (not shown in the figure) is installed on the conveyor frame 31, which is adjacent to the bearing frame 41, and the sliding vertical rod 36 is slidably installed on the fixed vertical rod, and the fixed vertical rod corresponds to the sliding vertical rod. The rod 36 is provided with a sliding groove, and the sliding vertical rod 36 is slidably installed on the fixed vertical rod through the sliding groove. The sliding vertical rod 36 moves relative to the fixed vertical rod along the front and rear direction of the conveyor frame 31 (the moving direction is as shown in Figure 5 (direction pointed by arrow A), the sliding driving device 37 is installed on the fixed vertical rod, and the sliding vertical rod 36 is also installed on the output end of the sliding driving device 37. The sliding driving device 37 is a mobile driving device, and the front conveying cross bar 34 One end of the front conveying cross bar 34 is movably connected with the conveying frame body 31, and the other end of the front conveying cross bar 34 is movably connected with one end of the sliding vertical bar 36. Both ends of the front conveying cross bar 34 are respectively connected with the conveying frame body 31 and the sliding body through universal bearings. The vertical bar 36 is connected, one end of the rear conveying cross bar 35 is movably connected with the conveying frame body 31, the other end of the rear conveying cross bar 35 is movably connected with the other end of the sliding vertical bar 36, and the two ends of the rear conveying cross bar 35 pass through the The axial bearings are connected to the conveyor frame body 31 and the sliding vertical bar 36 respectively. The front conveying cross bar 34, the conveying frame body 31, the rear conveying cross bar 35 and the sliding vertical bar 36 together form a deformable parallelogram structure. The conveyor belt 33 Wound between the front conveying crossbar 34 and the rear conveying crossbar 35, the conveyor belt 33 is also provided with a tensioning structure (not shown), the conveyor drive device 32 is installed on the conveyor frame 31, and the conveyor belt 33 is installed on the conveyor drive At the output end of the device 32, the conveyor belt 33 is driven by the conveyor driving device 32, and the sliding vertical rod 36 moves forward and backward under the driving of the sliding driving device 37, and drives the parallelogram structure to deform and drive the wrapped conveyor belt 33. Deformation, through the deformation of the conveyor belt 33 to change the transmission direction of the conveyor device 3, the controller 1 is electrically connected to the slip drive device 37 and the conveyor drive device 32 respectively, and the controller 1 is used to control the slip drive device 37 and the conveyor drive device 32 coordinated operation among them. It can be understood that when the sliding vertical rod 36 moves forward relative to the fixed vertical rod driven by the sliding driving device 37 (as shown in the deformed state in Figure 6 after movement), the sliding vertical rod 36 drives the parallelogram The structure is deformed so that the conveyor belt 33 wrapped around it is arranged diagonally, and the conveyor belt 33 can drive the wooden strip 20 to move closer to the right, as shown in Figure 6 . When the sliding vertical rod 36 moves backward relative to the fixed vertical rod driven by the sliding driving device 37, the sliding vertical rod 36 drives the parallelogram structure to deform and causes the conveyor belt 33 around which it is wound to be arranged diagonally. 33 can drive the wooden bar 20 to move closer to the left.

Please refer to Figure 7. The working process of the automatic size screening wood cutting device 100 of the present invention is as follows:

The size detection device 2 detects the cross-sectional size of the wood and feeds it back to the controller 1. Based on the information fed back by the size detection device 2, the controller 1 decides to transport the wood strips 20 to any cutting guide pipe 6 and sets the cutting guide pipe. 6 is the target cutting guide pipe 6. The cutting device 8 corresponding to the target cutting guide pipe 6 corresponds to the cross-sectional size of the wood, that is, the cutting knife 82 of the cutting device 8 is suitable for the wood of this cross-sectional size, and the conveying device 3 will The wooden strip 20 is transported to the side of the liquid pushing device 4 close to the target cutting guide pipe 6. Specifically, when the target cutting guide pipe 6 is close to the right side, the sliding vertical rod 36 is relatively fixed under the driving of the sliding driving device 37. When the vertical rod moves forward, the sliding vertical rod 36 drives the parallelogram structure to deform and makes the conveyor belt 33 wrapped around it to be arranged diagonally. The conveyor belt 33 can drive the wooden strip 20 to move closer to the right. When the target is to cut the guide pipe When approaching the left side, when the sliding vertical rod 36 moves backward relative to the fixed vertical rod driven by the sliding driving device 37, the sliding vertical rod 36 drives the parallelogram structure to deform and makes the conveyor belt 33 around which it is wound obliquely. After setting, the conveyor belt 33 can drive the wooden bar 20 to move closer to the left, thus forming an adjustment position for subsequent precise position adjustment. The wooden bar 20 enters the liquid pushing device 4 and floats on the liquid, completing the preliminary position adjustment. The strip 20 wets the outer surface of the wood with the liquid and can initially clean the outer surface of the wood;

When the target cutting guide pipe 6 is located on the left side, the third liquid pushing device 433 located on the right side ejects high-pressure gas and pushes the liquid to the left side wall 4214 of the cavity 421 and drives the floating wooden strips 20 close to the left side wall 4214 (Subject to the force of F1 in Figure 2), or when the target cutting guide pipe 6 is located on the right side, the second liquid pushing device 432 located on the left side ejects high-pressure gas and pushes the liquid to the right wall of the cavity 421 4212 and drives the floating wooden strip 20 close to the right wall 4212 (under the force of F2 in Figure 2), the camera 11 obtains the position of the wooden strip 20 and adjusts the wooden strip 20 in real time through the second liquid pushing device 432 or the third liquid pushing device 433. The position of the strip 20 in the left and right direction is such that the wooden strip 20 is facing the target cutting guide pipe 6 (subjected to the forces F3 and F4 in Figure 3). The first liquid pushing device 431 sprays high-pressure gas and pushes the liquid to the target cutting guide pipe. 6. Utilize the buoyancy of the wooden strips 20, the promotion of the liquid pushing mechanism 43 and the guidance of the guide assembly 7 to drive the floating wooden strips 20 into the target cutting guide pipe 6; it can be understood that due to the first liquid pushing device 431 and the second There are multiple liquid pushing devices 432 and third liquid pushing devices 433, so their positions can be accurately adjusted through mutual cooperation. The camera 11 can also adjust its position in real time through the acquired image to reach the target position. The transmission mechanism 10 will The strip 20 is transported from the input end of the target cutting guide pipe 6 to the output end of the target cutting guide pipe 6; the cutting device 8 corresponding to the output end cuts the wooden strip 20. At the same time, some liquid will pour into the cutting guide pipe 6. When the liquid channel leakage hole 91, the liquid flows through the leakage hole 91 to the liquid recovery funnel located below, and the liquid supply device extracts the liquid collected in the liquid recovery funnel. The liquid is pumped into the cavity 421 through the pump body, thereby forming a cycle.

By combining the controller 1, the size detection device 2, the conveying device 3, the liquid pushing device 4, the cutting guide pipe 6 and the cutting device 8, etc., the size detection device 2 is installed at the input end of the conveying device 3, and the size detection device 2 It is used to detect the cross-sectional size of the wooden strips 20. The size detection device 2 can classify the wooden strips 20 according to the cross-sectional size of the wooden strips 20 and filter them to the corresponding cutting guide pipe 6 for cutting by the corresponding cutting device 8. It is assumed that The cutting guide pipe 6 is defined as the target cutting guide pipe 6, and the cutting device 8 corresponding to the target cutting guide pipe 6 corresponds to the cross-sectional size of the wood, that is, the cutting knife 82 of the cutting device 8 is suitable for the wood of the cross-sectional size. , to achieve the purpose of automatically screening the wood size; the output end of the conveying device 3 is connected to the input end of the liquid pushing device 4, and the wood strip 20 can be conveyed to the liquid pushing device 4 through the information conveying device 3 fed back by the size detection device 2 At the target position, the conveying device 3 transports the wooden strip 20 to the side of the liquid pushing device 4 close to the target cutting guide pipe 6. The wooden strip 20 enters the liquid pushing device 4 and floats on the liquid, completing the preliminary position adjustment. 20 After the liquid wets the outer surface of the wood, the outer surface of the wood can be preliminarily cleaned. After the initial cleaning of the wood surface, sand and gravel on the wood surface can be prevented from affecting the cutting effect. Moreover, wetting the surface can effectively prevent the wood from being too dry and causing damage during cutting. The cutting effect is excellent and can effectively protect the cutting tool 82 of the cutting device 8. The liquid pushing device 4 includes a carrying frame 41, a pool body 42, a liquid pushing mechanism 43 and a liquid supply device. The pool body 42 is installed on the bearing On the frame 41, the pool body 42 is recessed inward to form a cavity 421 that opens upward and is used to carry liquid. The liquid supply device is connected to the cavity 421. At least two cutting guide pipes 6 are provided, and all cutting guide pipes 6 are spaced apart. is installed on the side of the cavity 421 away from the conveying device 3. Different cutting guide pipes 6 correspond to different types of cutting devices 8, so that the cutting guide pipe 6 can be used for screening and guidance. The input end of the cutting guide pipe 6 has a guide Component 7 uses the information fed back by the size detection device 2 to allow the wooden strips 20 floating on the cavity 421 to selectively enter any cutting guide pipe 6 under the push of the liquid pushing mechanism 43 and the guidance of the guide component 7, To complete the final screening and transportation, there is a transmission mechanism 10 in the cutting guide pipe 6. The transmission mechanism 10 is used to transport the wood strips 20 to the cutting device 8 located at the output end of the cutting guide pipe 6. It can be understood that the wood itself is used in the liquid The buoyancy effect on the liquid push mechanism 43 allows the liquid pushing mechanism 43 to control the movement direction of the wood without requiring a lot of power. It is not only labor-saving, but also flexible in adjustment. It integrates the characteristics of the wood itself to set up its own unique conveying device 3 and screening device. ; The controller 1 is electrically connected to the size detection device 2, the conveying device 3, the liquid pushing device 4, the liquid supply device, the transmission mechanism 10 and the cutting device 8 respectively, so that the controller 1 is used to coordinate the work between the various mechanisms, thereby forming Assembly-line screening, transportation and cutting operations.

Referring to Figures 1 to 7, the present invention also provides a wood cutting method based on automatic size screening of the wood cutting device 100, which is characterized by including the following steps:

(S1) Establish a wood cutting device 100 for automatic size screening. The wood cutting device 100 for automatic size screening includes a controller 1, a size detection device 2, a conveying device 3, a liquid pushing device 4, a cutting guide pipe 6 and a cutting device 8. The liquid The pushing device 4 includes a carrier 41, a pool body 42, a liquid pushing mechanism 43 and a liquid supply device. The liquid pushing mechanism 43 includes a first liquid pushing device 431, a second liquid pushing device 432 and a third liquid pushing device 433. The pool body 42 Installed on the carrier 41, the pool body 42 is recessed inward to form a cavity 421 that opens upward and is used to carry liquid. The liquid supply device is connected to the cavity 421. At least two cutting guide pipes 6 are provided, and all cutting guide pipes 6 Installed at intervals on the side of the cavity 421 away from the conveying device 3, the input end of the cutting guide pipe 6 has a guide assembly 7, and the cutting guide pipe 6 has a transmission mechanism 10. Each cutting guide pipe 6 corresponds to a model. cutting device 8;

(S2) The size detection device 2 detects the cross-sectional size of the wood and feeds it back to the controller 1. Based on the information fed back by the size detection device 2, the controller 1 decides to transport the wood strip 20 to any cutting guide pipe 6, and sets the The cutting guide pipe 6 is a target cutting guide pipe 6, and the cutting device 8 corresponding to the target cutting guide pipe 6 corresponds to the cross-sectional size of the wood, that is, the cutting knife 82 of the cutting device 8 is suitable for wood of this cross-sectional size, and is transported Device 3 transports the wooden strip 20 to the side of the liquid pushing device 4 close to the target cutting guide pipe 6. The wooden strip 20 enters the liquid pushing device 4 and floats on the liquid, completing the preliminary position adjustment. The wooden strip 20 is wetted by the liquid. The outer surface of wood and can initially clean the outer surface of wood;

(S3) When the target cutting guide pipe 6 is located on the left side, the third liquid pushing device 433 located on the right side ejects high-pressure gas and pushes the liquid to the left side wall 4214 of the cavity 421 and drives the floating wooden strip 20 closer to the left side. side wall 4214, or when the target cutting guide pipe 6 is located on the right side, the second liquid pushing device 432 located on the left side ejects high-pressure gas and pushes the liquid to the right side wall 4212 of the cavity 421 and drives the floating wooden strips 20 is close to the right side wall 4212, the camera 11 obtains the position of the wooden strip 20 and adjusts the position of the wooden strip 20 in the left and right direction through the second liquid pushing device 432 or the third liquid pushing device 433 in real time so that the wooden strip 20 faces the target cutting guide. Pipe 6, the first liquid pushing device 431 sprays high-pressure gas and pushes the liquid to the target cutting guide pipe 6, using the buoyancy of the wooden strip 20, the push of the liquid pushing mechanism 43 and the guidance of the guide assembly 7 to drive the floating wooden strip 20 to enter to the target cutting guide pipe 6; since there are multiple first liquid pushing devices 431, second liquid pushing devices 432 and third liquid pushing devices 433, their positions can be accurately adjusted by cooperating with each other, and the camera 11 can also obtain The image adjusts its position in real time to reach the target position;

(S4) The transmission mechanism 10 transports the wooden strips 20 from the input end of the target cutting guide pipe 6 to the output end of the target cutting guide pipe 6;

(S5) The cutting device 8 corresponding to the output end cuts the wooden strip 20 .

Preferably, in step (S2), the conveying device 3 includes a conveying frame 31, a conveying drive device 32, a conveyor belt 33, a front conveying cross bar 34, a rear conveying cross bar 35, a sliding vertical bar 36, The sliding driving device 37 and the fixed vertical rod are installed on the conveyor frame 31, and the sliding vertical rod 36 is slidably installed on the fixed vertical rod. The sliding driving device 37 is installed on the fixed vertical rod, and the sliding vertical rod 36 is also mounted on the fixed vertical rod. Installed at the output end of the sliding drive device 37, one end of the front conveying cross bar 34 is movably connected to the conveying frame 31, the other end of the front conveying cross bar 34 is connected to one end of the sliding vertical bar 36, and the rear conveying cross bar 35 One end is movably connected to the conveyor frame body 31, the other end of the rear conveyor crossbar 35 is connected to the other end of the sliding vertical bar 36, the front conveyor crossbar 34, the conveyor frame body 31, the rear conveyor crossbar 35 and the sliding vertical bar 36 Together they form a deformable parallelogram structure. The conveyor belt 33 is wound between the front conveyor crossbar 34 and the rear conveyor crossbar 35 . The conveyor drive device 32 is installed on the conveyor frame body 31 . The conveyor belt 33 is installed on the output of the conveyor drive device 32 . end, the conveyor belt 33 is driven by the conveyor driving device 32, and the sliding vertical rod 36 moves forward and backward under the driving of the sliding driving device 37, and drives the parallelogram structure to deform and drives the wrapped conveyor belt 33 to deform. The conveyor belt 33 deforms and changes the transmission direction of the conveyor device 3, that is, the conveyor device 3 conveys the wooden strips 20 to the side of the liquid pushing device 4 close to the target cutting guide pipe 6, and the information fed back by the size detection device 2 makes the strips parallel The quadrilateral structure deforms and forms an oblique transmission device with the conveying direction facing the target cutting guide pipe 6 . Specifically, when the target cutting guide pipe 6 approaches the right side and the sliding vertical rod 36 moves forward relative to the fixed vertical rod driven by the sliding driving device 37, the sliding vertical rod 36 drives the parallelogram structure to deform and causes it to deform. The wrapped conveyor belt 33 is arranged diagonally, and the conveyor belt 33 can drive the wooden strip 20 to move closer to the right side. When the target cutting guide pipe 6 approaches the left side, the sliding vertical rod 36 is driven by the sliding driving device 37 When moving backward relative to the fixed vertical rod, the sliding vertical rod 36 drives the parallelogram structure to deform and causes the conveyor belt 33 wrapped around it to be arranged diagonally. The conveyor belt 33 can drive the wooden strip 20 to move closer to the left, thus forming a Adjust the position to facilitate subsequent precise positioning adjustments.

Preferably, step (S5) also includes: step (S6), establishing a liquid recovery funnel and a liquid supply device, and the liquid in the cutting guide pipe 6 falls to the liquid below through the leak hole in the cutting guide pipe 6 The liquid recovery funnel collects liquid, and the liquid supply device pumps the recovered liquid into the cavity 421 to recover the outflowing liquid.

The above disclosures are only preferred examples of the present invention. Of course, they cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made based on the patent scope of the present invention still fall within the scope of the present invention.

Claims

A wood cutting device with automatic size screening, characterized in that it includes a controller, a size detecting device, a conveying device, a liquid pushing device, a cutting guide pipe and a cutting device, and the size detecting device is installed at the input of the conveying device end, the size detection device is used to detect the cross-sectional size of the wooden strips, the output end of the conveyor device is connected to the input end of the liquid pushing device, and the conveyor device uses the information fed back by the size detection device The wooden strips can be transported to the target position at the liquid pushing device. The liquid pushing device includes a carrying frame, a pool body, a liquid pushing mechanism and a liquid supply device. The pool body is installed on the carrying frame, and the The pool is recessed inwards to form a cavity that opens upward and is used to carry liquid. The liquid supply device is connected with the cavity. There are at least two cutting guide pipes, all of which are spaced apart. Installed on the side of the cavity away from the conveyor device, the input end of the cutting guide pipe has a guide assembly, and the information fed back by the size detection device makes the wooden strips floating on the cavity at the desired position. It selectively enters any of the cutting guide pipes under the push of the liquid pushing mechanism and the guidance of the guide assembly. There is a transmission mechanism in the cutting guide pipe, and the transmission mechanism is used to transport the wood strips to the location where they are located. The cutting device at the output end of the cutting guide pipe; the controller is electrically connected to the size detection device, the conveying device, the liquid pushing device, the liquid supply device, the transmission mechanism and the cutting device respectively.
The wood cutting device with automatic size screening according to claim 1, wherein the cavity has a front side wall, a right side wall, a rear side wall and a left side wall that are connected in sequence, and the front side wall and the The rear side walls are arranged oppositely along the direction of the conveying device, the liquid pushing mechanism includes a first liquid pushing device, a second liquid pushing device and a third liquid pushing device, and the front side wall is located between the cavity Near the side of the conveying device, the first liquid pushing device is installed on the front side wall. The first liquid pushing device is used to push the liquid to the cutting guide pipe. The second liquid pushing device The device is installed on the left side wall, the second liquid pushing device is used to push the liquid to the right side wall, the third liquid pushing device is installed on the right side wall, and the third liquid pushing device is installed on the right side wall. The pushing device is used to push the liquid to the left side wall, and the wooden strips floating on the cavity are moved by the coordinated work between the first liquid pushing device, the second liquid pushing device and the third liquid pushing device. Cut the guide pipe to the target.
The wood cutting device with automatic size screening according to claim 2, wherein the first liquid pushing device, the second liquid pushing device and the third liquid pushing device each include a plurality of spaced apart A gas injection device is provided in the cavity. The gas injection device is built in the pool body and has a gas injection hole located on the inner wall of the cavity.
The wood cutting device with automatic size screening according to claim 2, further comprising a camera, the camera is installed on the pool body, the camera is electrically connected to the controller, and the camera is To detect the position of floating wooden strips.
The wood cutting device with automatic size screening according to claim 1, wherein the guide assembly includes a left arc-shaped guide piece and a right arc-shaped guide piece, and the left arc-shaped guide piece is provided on one side of the cutting guide pipe. The other side of the cutting guide pipe is provided with a right arc-shaped guide piece, and the left arc-shaped guide piece and the right arc-shaped guide piece of the adjacent cutting guide pipe are spliced to each other to form a semicircular structure.
The wood cutting device with automatic size screening according to claim 1, wherein the cutting device includes a cutting drive device and a cutting tool, the cutting tool is installed at the output end of the cutting drive device, and the cutting tool Rotating under the driving of the cutting drive device, at least two of the cutting devices are provided, each of the cutting tools corresponds to one of the cutting guide pipes, and all the cutting devices are installed on the cutting frame, and the cutting frame and the The carrying frames are arranged at intervals along the conveying direction of the conveying device so that a drainage gap is formed between the cutting frame and the carrying frame, and the cutting guide pipe is located correspondingly at the drainage gap. A leak hole is provided, and a liquid recovery funnel is provided below the leak hole. The liquid recovery funnel is connected to the liquid supply device, and the recovered liquid is pumped into the cavity through the liquid supply device.
The wood cutting device with automatic size screening according to claim 1, wherein the conveying device includes a conveying frame body, a conveying drive device, a conveyor belt, a front conveying cross bar, a rear conveying cross bar, and a sliding vertical bar. A sliding driving device and a fixed vertical rod. The fixed vertical rod is installed on the conveyor frame body. The sliding vertical rod is slidably provided on the fixed vertical rod. The sliding driving device is installed on the fixed vertical rod. rod, the sliding vertical rod is also installed on the output end of the sliding driving device, one end of the front conveying cross bar is movably connected to the conveying frame body, and the other end of the front conveying cross bar is connected to the One end of the sliding vertical bar is movably connected, one end of the rear conveying cross bar is movably connected with the conveying frame body, the other end of the rear conveying cross bar is connected with the other end of the sliding vertical bar, and the front The conveying cross bar, the conveying frame body, the rear conveying cross bar and the sliding vertical bar jointly form a deformable parallelogram structure, and the conveyor belt is wound between the front conveying cross bar and the rear conveying cross bar. The conveyor driving device is installed on the conveyor frame body, the conveyor belt is installed on the output end of the conveyor drive device, the conveyor belt is driven by the conveyor drive device, and the sliding vertical rod is on the The sliding drive device moves forward and backward, and drives the parallelogram structure to deform and drives the wrapped conveyor belt to deform. Through the deformation of the conveyor belt, the transmission direction of the conveyor device is changed. The controller is respectively connected with the The sliding driving device and the conveying driving device are electrically connected.
A wood cutting method based on a size automatic screening wood cutting device, characterized in that it includes the following steps:

(S1) Establish a wood cutting device with automatic size screening. The wood cutting device with automatic size screening includes a controller, a size detection device, a conveying device, a liquid pushing device, a cutting guide pipe and a cutting device. The liquid pushing device includes a bearing frame, The pool body, the liquid pushing mechanism and the liquid supply device. The liquid pushing mechanism includes a first liquid pushing device, a second liquid pushing device and a third liquid pushing device. The pool body is installed on the bearing frame. The pool body is recessed to form an opening facing upwards. A cavity for carrying liquid, the liquid supply device is connected with the cavity, and there are at least two cutting guide pipes, and all the cutting guide pipes are installed at intervals on the side of the cavity away from the conveying device, so The input end of the cutting guide pipe has a guide assembly, and the cutting guide pipe has a transmission mechanism;

(S2) The size detection device detects the cross-sectional size of the wood and feeds it back to the controller. Based on the information fed back by the size detection device, the controller decides to transport the wood strips to any cutting guide pipe, and sets the cutting guide pipe to Target cutting guide pipe, the cutting device corresponding to the target cutting guide pipe corresponds to the cross-sectional size of the wood, that is, the cutting knife of the cutting device is suitable for the wood of this cross-sectional size, and the conveying device transports the wood strips Transported to the side of the liquid pushing device close to the target cutting guide pipe, the wooden strips enter the liquid pushing device and float on the liquid to complete the preliminary position adjustment. The wooden strips wet the outer surface of the wood through the liquid and can initially clean the outer surface of the wood. ;

(S3) When the target cutting guide pipe is located on the left side, the third liquid pushing device located on the right side ejects high-pressure gas and pushes the liquid to the left side wall of the cavity and drives the floating wooden strips close to the left side wall, or, When the target cutting guide pipe is located on the right side, the second liquid pushing device located on the left sprays high-pressure gas and pushes the liquid to the right wall of the cavity and drives the floating wooden strips close to the right wall. The camera acquires the image of the wooden strips. position and adjust the position of the wooden strip in the left and right direction in real time through the second liquid pushing device or the third liquid pushing device so that the wooden strip is facing the target cutting guide pipe, and the first liquid pushing device sprays high-pressure gas and pushes the liquid to the target cutting The guide pipe uses the buoyancy of the wooden strips, the push of the liquid pushing mechanism and the guidance of the guide assembly to drive the floating wooden strips into the target cutting guide pipe;

(S4) The transmission mechanism transports the wood strips from the input end of the target cutting guide pipe to the output end of the target cutting guide pipe;

(S5) The cutting device located at the output end cuts the wooden strips.
The wood cutting method according to claim 8, characterized in that, in step (S2),

The conveying device includes a conveying frame body, a conveying drive device, a conveyor belt, a front conveying cross bar, a rear conveying cross bar, a sliding vertical bar, a sliding driving device and a fixed vertical bar. The fixed vertical bar is installed on In the conveyor frame body, the sliding vertical rod is slidably provided on the fixed vertical rod, the sliding driving device is installed on the fixed vertical rod, and the sliding vertical rod is also installed on the sliding driving device. At the output end of the device, one end of the front conveying cross bar is movably connected to the conveying frame body, the other end of the front conveying cross bar is movably connected to one end of the sliding vertical bar, and the rear conveying cross bar is movably connected. One end is movably connected to the conveyor frame body, the other end of the rear conveyor crossbar is connected to the other end of the sliding vertical bar, the front conveyor crossbar, the conveyor frame body, the rear conveyor crossbar and the sliding vertical bar The rods together form a deformable parallelogram structure, the conveyor belt is wound between the front conveyor cross bar and the rear conveyor cross bar, the conveyor driving device is installed on the conveyor frame body, and the conveyor belt is installed At the output end of the conveyor driving device, the conveyor belt is driven by the conveyor drive device, and the sliding vertical rod moves forward and backward under the driving of the sliding driving device, and drives the parallelogram. The structure deforms and drives the wrapped conveyor belt to deform, and the conveyor belt deforms to change the transmission direction of the conveyor device. That is, the conveyor device conveys the wood strips to the side of the liquid pushing device close to the target cutting guide pipe. The information fed back by the size detection device causes the parallelogram structure to deform and form an oblique transmission device with a conveying direction toward the target cutting guide pipe.
The wood cutting method according to claim 8, characterized in that, after step (S5), it further includes:

Step (S6), establish a liquid recovery funnel and a liquid supply device. The liquid in the cutting guide pipe falls through the leak hole at the cutting guide pipe to the liquid recovery funnel located below. The liquid recovery funnel collects the liquid. , the liquid supply device pumps the recovered liquid into the cavity to recover the outflowing liquid.