52results about "Flat surfacing machines" patented technology

The application provides a long-life blade and a crushing milling cutter, which comprises a blade body, the blade body is provided with a mounting groove for mounting to the milling cutter, and a cutting edge is arranged along the outer edge of the blade body, the cutting edge comprises a side edge and a top edge. The side edge comprises at least a first cutting section and a second cutting section. The first cutting section and the second cutting section are arranged adjacently, the first cutting section is arranged close to the top edge, and the second cutting section is arranged away from the top edge. The distance between the outer edge of the first cutting section and the mounting groove is greater than the distance between the outer edge of the second cutting section and the mounting groove. The height difference of the segmented blade edge is designed, so that the blade is first cut by the first cutting section in use, and the second cutting section automatically participates in cutting after the first cutting section is worn, the self-grinding effect is realized, the effective service life of the blade is prolonged, the grinding frequency is reduced, the machining quality is improved, and better economy is achieved.

Rotatable milling head with a clamping device for milling or planing knives, characterized in that the milling or planing knives, viewed from the axis of rotation of the milling head, can be subjected to external pressure.

The invention discloses a secondary three-dimensional recombination integrated preparation method for technical veneers. The method comprises the following steps: cooking, softening, rotatably cutting and drying a log, and then carrying out dyeing and gluing treatment; performing one-time recombination pressing by adopting time sequence linkage control of step heating and gradient pressure applying, and correspondingly starting a pressure applying gradient in each heating stage; the primary wood blank is cut according to a set angle and then subjected to secondary gluing and staggered directional paving, and secondary recombination pressing is carried out; and performing aging treatment in a controlled temperature and humidity environment by adopting periodic pressure reduction-repressing cyclic operation, and slicing to obtain a finished product. According to the method, a staggered reinforced structure is formed through secondary three-dimensional recombination, and time sequence linkage temperature and pressure control and periodic circulation aging are combined, so that the problems of product anisotropy, uneven density, insufficient stress release and the like are effectively solved, and the texture uniformity, mechanical strength and dimensional stability of the technical veneer are remarkably improved.

This utility model discloses a multifunctional four-sided planer with an adjustable cutter shaft structure, specifically relating to the field of four-sided planing technology. It includes a moving mechanism and a cutter shaft mechanism. The cutter shaft mechanism is installed below the moving mechanism, and the moving mechanism includes an X-axis translation component, a Y-axis translation component, and a vertical movement component. The Y-axis translation component is installed below the X-axis translation component, and the vertical movement component is installed below the Y-axis translation component. Through the cooperation of the moving mechanism and the cutter shaft mechanism, multi-angle adjustment of the cutter shaft is achieved, allowing it to plane wood from different angles. This solves the problems of traditional four-sided planers, which can only process wood in straight lines and cannot process dead angles during planing. Furthermore, the four-sided planer with an adjustable cutter shaft structure allows for customized design and personalized processing of wood by adjusting the angle of the cutter shaft.

The utility model discloses an electric tool. The electric tool comprises a main body and a handheld component arranged at the top of the main body, wherein the main body comprises a host shell; the motor, the cutter and the one or more resonant cavities are arranged in the internal space of the main machine shell; wherein the resonant cavity is configured to partially surround the cutter and the motor, and comprises a cavity shell and one or more air inlets formed in the cavity shell; wherein the air inlet is in fluid communication with the interior of the cavity shell; wherein one side face of the air inlet faces the internal space, and the other side face faces the interior of the cavity shell.

The invention discloses a ring-type flaking machine for automatic wood chip processing and transporting, and relates to the technical field of ring-type flaking machines, the ring-type flaking machine comprises a discharging box, a shell communicated with the interior of the discharging box is arranged on the upper portion of one side of the discharging box, and a flaking device is rotationally arranged in the shell; the flaking device is driven to rotate through the flaking driving mechanism installed on the upper portion of the discharging box, flaking operation is achieved, and a finished product discharging opening and a wood chip discharging opening are formed in the two sides of the discharging box respectively. According to the ring-type flaking machine for automatic processing and transportation of the wood chips, through meshing transmission of the worm and the worm gear, linkage of the ring-shaped body and the adjusting gear is matched, and convenient and synchronous adjustment of the angles of all the blades on the ring-shaped cutter head is achieved. The structural design is ingenious, the adjusting process is stable and reliable, each blade does not need to be adjusted independently, the blade angle adjusting efficiency and precision are remarkably improved, and therefore the requirements of different flaking processes can be better met.

The utility model provides a backup plate adjusting mechanism of a wood pattern planer, which comprises a mounting seat, a sliding seat is arranged on the mounting seat, a column rack is slidably matched on the sliding seat in a left-right moving manner, a gear meshed with the column rack is rotatably arranged on the sliding seat, a locking bolt is screwed at the opening and closing position of the rear end of the sliding seat, and the locking bolt is screwed at the opening and closing position of the rear end of the sliding seat. A fixing block is vertically arranged on the end face of the column rack, the fixing block is connected with a backup plate through an adjusting assembly, and the adjusting assembly can adjust the angle and the vertical position of the backup plate. The utility model has the advantages that the angle, the up-down position and the left-right position of the backup plate can be adjusted as required, and the working efficiency is improved.

The application relates to a planing device, which comprises a shell, a moving bottom plate and a static bottom plate arranged at intervals along a first direction, a planing tool arranged between the moving bottom plate and the static bottom plate, a motor for driving the planing tool to rotate, and a circuit board electrically connected with the motor, the shell has a machine cavity and a chip removal cavity which are communicated with the outside, the motor and the circuit board are arranged in the machine cavity, a space where the planing tool is located and the machine cavity are communicated with the chip removal cavity, wherein the first direction is the moving direction of the planing device, and the planing device further comprises a blocking piece arranged between the motor and the circuit board, and a heat conduction piece which is in thermal connection with the circuit board and is in thermal connection with the static bottom plate and / or the shell, and heat at the circuit board can be conducted to the static bottom plate and / or the shell through the heat conduction piece. The above planing device can inhibit the impact of chips on the circuit board while ensuring heat dissipation.

The utility model discloses a blade-replaceable pencil sharpener which comprises a sharpener body and blades, the sharpener body is cylindrical, a sharpener shaft hole is formed in the center of the sharpener body, at least two blade installation parts are arranged on the outer circle face of the sharpener body, and each blade installation part is provided with one blade. The blade mounting part comprises a blade mounting groove, a screw mounting groove, a blade pressing block, a screw mounting hole and a locking screw, the blade comprises a base body part and a cutting part, the blade base body part is arranged in the blade mounting groove, the cutting part is welded and fixed to the blade base body part, and the blade base body part is locked and fixed through the blade pressing block; the blades are provided with the same base body parts, the cutting parts of the blades are divided into two sets in the direction of the center line of the cutter shaft hole, the two sets of cutting parts are staggered in the circumferential direction, and part of cutting edges of the two sets of cutting parts coincide. When one blade of the pencil holder sharpening cutter cannot be used, the blade can be replaced by a new blade to be continuously used, and the use cost of the cutter is effectively reduced.

The utility model relates to the technical field of composite keel processing, in particular to a wooden construction waste splicing device for composite keel production, which comprises adjusting devices arranged in the middles of side plates on two sides of a mounting plate, collecting boxes are arranged on the sides, close to each other, of the two adjusting devices, and limiting blocks are arranged on two sides of a cavity of each collecting box. Limiting blocks are arranged on the collecting box, a collecting pipe used for discharging wood chips is arranged on the collecting box between the limiting blocks, a rotating shaft is arranged on the adjusting device, two planing and milling wheels are arranged at the positions, opposite to the limiting blocks, of the rotating shaft, through arrangement of the planing and milling wheels, the planing and milling wheels are driven by the rotating shaft to machine the surface of the composite keel, and the generated wood chips are directly thrown into a cavity of the collecting box. According to the technical scheme, the collecting boxes are gathered together, flying of wood chips is reduced, the cover plate and the collecting boxes are arranged, the collecting boxes and the cover plate are buckled to form a closed space, overflowing of the wood chips is reduced, and the problem that in the prior art, when a composite keel is polished, the wood chips splash all around is solved.

The present invention relates to a machine-tool structure (10), in particular for milling wooden parts, comprising a frame including: - a bearing plate (11), - a work table (12) resting on said plate and over which the pieces of wood to be milled are intended to be conveyed, - an upper frame (13), - support columns (14) positioned between the bearing plate (11) and the upper frame (13), the machine-tool structure (10) further comprising a tool-holder apron (15) connected to translational drive members (16) positioned between said upper frame (13) and the bearing plate (11) and configured to slidably drive the tool-holder apron (15) between the work table and the upper frame (13).

The utility model provides a wood planing machine baffle plate precision adjusting mechanism, which comprises a material baffle plate, one side of the material baffle plate is provided with two mutually symmetrical support plate assemblies, the support plate assemblies are fixedly connected through an upper bending plate, each support plate assembly is composed of a bent strip-shaped plate, and the upper bending plate is fixedly connected with the material baffle plate. The upper bent plates are fixedly connected to the two bent positions of the supporting plate assemblies, right supporting arms are arranged on the side faces, close to each other, of the supporting plate assemblies respectively, one end of each right supporting arm is rotationally connected with a material baffle through a connecting plate, strip-shaped grooves are formed in the right supporting arms respectively, and a locking rod is arranged between the two supporting plate assemblies. According to the material baffle assembly capable of rapidly adjusting the angle of the baffle, the adjusting speed of the angle of the baffle and the material planing accuracy can be improved when a woodworking flat planer and a woodworking flat planer are used, so that the working efficiency of a user using the woodworking flat planer and the woodworking flat planer is improved, an operator can adjust and use the material baffle assembly conveniently, and the working efficiency is improved. And the automatic control system is more accurate and more labor-saving.

The utility model discloses a quick replacement mechanism of cutter shaft and four surface planer relates to planer technical field, including cutter main part, including, fixed establishment, set up on cutter main part, including set up on the outside base of cutter main part, fixedly connected with connecting block on the base, the movable joint has mounting plate on the connecting block, is equipped with the mounting hole on the mounting plate, is provided with fixed bolt on the mounting plate, the fixed bolt penetrates mounting hole and is connected with connecting block screw thread, fixedly connected with bearing on the mounting plate, the bearing inner ring is provided with cutter shaft subassembly, the cutter main part is set on cutter shaft subassembly. The utility model discloses through fixed establishment can to cutter shaft quick replacement, after butt joint, the fixed plate of setting on the cutter shaft is not easy to rotate, improves the rate of installation, and can carry out dustproof to the bearing used for guiding cutter shaft support, avoids the influence of the entry of swarf and uses.

The invention discloses a planing machine tool height adjusting device and a using method, and belongs to the technical field of planing machines, the planing machine tool height adjusting device comprises a supporting mechanism, a slicing mechanism, a height measuring mechanism and a height adjusting mechanism, the supporting mechanism comprises a machine body, two warning lamps are arranged on the machine body, and the slicing mechanism comprises a first sliding rail, a tool, a moving assembly and driving equipment. The first sliding rail is installed above the machine body, the cutter is installed on the first sliding rail through the moving assembly, the driving device is installed below the machine body, and the driving device is connected with the moving assembly. The height measuring mechanism comprises a motor, two mounting blocks, a fourth guide block and a distance adjusting assembly, the motor is mounted on the side face of the bed body, the output end of the motor is connected with the distance adjusting assembly, the two mounting blocks are slidably mounted on the bed body and connected with the distance adjusting assembly, and the distance adjusting assembly is connected with the fourth guide block; the height adjusting mechanism comprises a vertical rail, a third electric cylinder, two lifting assemblies and a horizontal adjusting assembly, and the vertical rail is fixedly installed on the bed body.

The utility model discloses a telescopic planer tool thickness adjusting device which comprises a mounting frame, adjusting blocks are slidably connected to the inner wall of the mounting frame at equal intervals, the adjusting blocks are attached to the inner wall of the mounting frame, first lead screws are rotatably connected to the interior of the mounting frame at equal intervals, the adjusting blocks are in threaded connection with the first lead screws, and scales are arranged on one side of the mounting frame. An adjusting plate is fixedly connected between the two adjusting blocks; the utility model relates to the technical field of planer tool thickness adjustment, in particular to a telescopic planer tool thickness adjusting device, which realizes the function of adjusting the height of a planer tool in use by arranging a hand wheel, a transmission shaft, a first bevel gear, a second bevel gear, a first screw rod, an adjusting block and an adjusting plate, and can adjust the height of the planer tool so as to control the planing thickness. The use effect of the device is enhanced; and by arranging an adjusting mechanism, a sliding plate, a limiting inserting block, a connecting frame and a locking groove, the function of rapidly disassembling and assembling the planer tool is achieved, maintenance and replacement of the planer tool are facilitated, and the disassembling and assembling efficiency is higher.

The present application relates to an electric planer. The electric planer comprises a machine body provided with a battery mounting structure; a battery assembly comprising a battery and a mounting piece detachably connected with the battery, the mounting piece being detachably connected with the battery mounting structure to arrange the battery on the machine body. The electric planer of the present application has lower manufacturing cost and wider adaptability.

The application provides a bamboo fiber material blind ditch and a manufacturing method thereof, and the manufacturing method is as follows: bamboo fibers after being softened are orderly and / or disorderly wound according to certain rules, contact points of the wound bamboo fibers are bonded by using a bonding agent to form a bamboo wound three-dimensional space pipe body, and the space pipe body is subjected to a space three-dimensional solidification treatment to form the bamboo fiber material blind ditch. The bamboo fiber material blind ditch is used to replace a plastic blind ditch with high energy consumption and high pollution, and is applied to engineering construction, so as to realize development of a new product of 'bamboo instead of plastic' by using natural green bamboo fiber material, reduce pollution of the plastic blind ditch to the environment, achieve the purpose of carbon reduction, and have important social significance and economic value. The bamboo fiber material blind ditch provided by the application is a three-dimensional hollow structure, has good water permeability, has high compressive strength and rigidity, is low in cost, green and environment-friendly, fully meets the requirements of engineering construction, and has wide popularization and application prospects.

The utility model discloses a planing sliding table device for woodworking processing. The planing sliding table device comprises two Y-axis sliding rails, a Y-axis translation frame and an X-axis translation frame, the two Y-axis sliding rails are arranged in parallel in a spaced mode. The Y-axis translation frame comprises two connecting frames, and two parallel X-axis sliding rails arranged at intervals are further connected between the two connecting frames. Each connecting frame is correspondingly connected with one Y-axis sliding rail in a sliding manner; a brake mechanism is further installed on one connecting frame and used for fixedly limiting the Y-axis translation frame to the Y-axis sliding rail. Through ingenious cooperation of the fixing base and the four fixing bottom plates, flexible adjustment can be carried out according to edge trimmers of different specifications, rapid adaptation is achieved, the universality and the application range of equipment are improved, and the cost generated by equipment replacement of a user is reduced.

The utility model discloses a lifting adjusting device for a bottom surface cutter shaft of a four-side planer, which relates to the technical field of wood planers, and comprises a main body component, an operating table, a box body, a cutter shaft body and a collecting port, the box body is fixedly connected to one side of the operating table, the cutter shaft body is positioned in an inner cavity of the box body, the cutter shaft body penetrates through the box body and the operating table, and the collecting port is arranged on the operating table. The collecting opening is formed in the top of the operation table and extends to an inner cavity of the operation table. The adjusting assembly is arranged on one side of the inner cavity of the operation table; the cutter shaft is automatically adjusted to ascend and descend through the adjusting assembly, manual adjustment is not needed, working efficiency can be improved, labor intensity of operators is reduced, the device is particularly suitable for the situation that various plates with different thicknesses exist in the production process, and application in the high-efficiency production environment can be met; and meanwhile, wood chips can be concentrated and gathered in the process of adjusting the cutter shaft every time, cleaning is convenient, and the construction period can be effectively shortened.

The utility model discloses a kind of impact-resistant wear-resistant ring planer fly cutter seat assemblies, belong to ring planer fly cutter seat technical field, including positioning support, the positioning support includes inner ring and outer ring, and tooth slot is opened on the circumference of inner ring and outer ring;Knife plate seat, both ends of the knife plate seat are fixedly connected with gear, and gear is inserted in tooth slot inside, knife blade is installed on the horizontal plane of the knife plate seat, and the top of knife blade is compressed with pressing plate, the knife plate seat, knife blade and pressing plate are fastened with fastening bolt and are penetrated in common. Through the synchronous adaptability adjustment of cutting depth and cutting angle of knife blade, the device can be used, the cutting angle and cutting depth of knife blade are adjusted according to different requirements, so as to reduce the contact impact force of knife blade and wood, and then the impact resistance and wear resistance of knife blade installation are improved, the service life of knife blade is effectively improved.

The present disclosure relates to an auxiliary platform for a wood board milling machine, comprising a platform body, a drive assembly, a dust collection assembly and a positioning assembly. Through the vertical arrangement of horizontal and vertical guide rails and the sliding fit of engagement protrusions / grooves, precise sliding positioning of the platform in the horizontal two-dimensional direction is achieved; the height-adjusting screws and a plurality of optical shafts collaboratively ensure stable lifting; the hollow pipeline, dust suction pipe, and protective curtain work together to efficiently remove milling debris, significantly improving milling accuracy, stability, and the cleanliness of the processing environment.

This invention provides a novel bamboo pallet manufacturing process, relating to the field of pallet processing technology. The novel bamboo pallet manufacturing process includes preliminary treatment, pre-processing, mid-processing, and final assembly. The preliminary treatment includes bamboo cutting, bamboo impaction, and rough milling. Based on the conical shape of the bamboo, the bamboo is cut to the required length and dimensions according to product requirements and specifications. The bamboo segments are then split into pieces, sorted by thickness and width, and the outer green and yellow parts are removed. Through a combination of drying, carbonization, hot pressing, and cold pressing processes, along with subsequent curing treatments, the internal stress of the bamboo is effectively eliminated, significantly reducing its moisture absorption expansion and drying shrinkage rates. The resulting bamboo panels have good flatness and low warping. The pallets made from this process maintain excellent dimensional stability and structural integrity even under complex temperature and humidity environments, extending their service life.

This invention discloses a multi-faceted cutting and rough planing device for bamboo strips, comprising a base. From the input end to the output end, the base is sequentially equipped with a first double-sided processing station, a first upper-sided processing station, a first lower-sided processing station, an upper and lower-sided processing station, a second upper-sided processing station, a second lower-sided processing station, and a second double-sided processing station. Through multiple specific functional stations arranged sequentially along the bamboo strip conveying direction, the bamboo strip can sequentially complete preliminary cutting on both sides, step-by-step and synchronous cutting on both sides, and final fine cutting during a single continuous pass. This invention integrates multiple dispersed processes into a single production line, reducing repetitive positioning and transfer of the bamboo strip during processing, effectively improving processing efficiency and dimensional consistency, and simplifying equipment layout.

The utility model aims to provide bamboo cane feeding equipment, which belongs to the field of forestry machinery and is characterized by comprising a rack, a first-stage horizontal feeding component, a first-stage vertical feeding component, a second-stage horizontal feeding component, a second-stage vertical feeding component, a third-stage feeding component, a bamboo cane separating component, a fourth-stage feeding component and a material returning component. According to the bamboo batten feeding device, bamboo battens are placed on the first-stage horizontal feeding assembly and conveyed by the first-stage horizontal feeding assembly, the crossed or overlapped bamboo battens are divided through the first-stage vertical feeding assembly, a small number of bamboo battens are conveyed to the second-stage horizontal feeding assembly, and then the bamboo battens can be regularly conveyed to the third-stage feeding assembly through the second-stage vertical feeding assembly; and then, single-piece queuing waiting of the materials is achieved through the three-stage feeding assembly and the bamboo strip separating assembly, the feeding empty window period is shortened, the efficiency is improved, and finally the bamboo strips are conveyed to other equipment at the rear end through the four-stage feeding assembly.

The utility model discloses a ram pressurization stabilizing device and a veneer slicer, and relates to the technical field of wood processing equipment, the ram pressurization stabilizing device comprises a pressurization track, a guide shaft, a frame, a guide slide block, a pressurization roller and a pressurization driving part, the pressurization track is fixed on one side of a guide rail and is parallel to the guide rail, the frame is fixed on a ram, the guide shaft is fixed on the frame, and the guide slide block is fixed on the pressurization roller. The guiding sliding block is arranged on the guiding shaft in a sliding mode and can slide up and down along the guiding shaft, the pressurizing rolling wheel is installed on the guiding sliding block and located below the pressurizing track, and the pressurizing driving component is installed on the frame and connected with the guiding sliding block and can provide acting force for driving the guiding sliding block to slide upwards. And acting force is applied to the lower surface of the pressurizing rail through the pressurizing rollers. According to the ram pressurization stabilizing device and the slicing machine, the moving stability of the ram on the guide rail can be improved, and the slicing machining precision is guaranteed.

The utility model relates to the technical field of furniture processing, in particular to a furniture wood planing device which comprises a supporting frame, a platen, a positioning plate, a planer, a first electric sliding rail, a second electric sliding rail, an adjusting assembly and the like. A platen is connected to the supporting frame, a positioning plate is connected to one side of the platen, a planer is installed in the supporting frame, a first electric sliding rail is connected to the positioning plate, a second electric sliding rail is connected to the other side of the platen, and an adjusting assembly is connected to a sliding block of the second electric sliding rail. The first electric sliding rail, the second electric sliding rail and the clamping assembly are arranged, the clamping assembly can fix wood of different shapes, then the wood moves through the first electric sliding rail and the second electric sliding rail, and therefore the wood clamping device can better adapt to the wood of different shapes and sizes, meanwhile, stability and safety in the machining process are guaranteed, and the machining efficiency is improved. Precise positioning can be achieved through fine adjustment, and it is guaranteed that each piece of wood can be subjected to uniform and high-quality planing treatment.

The utility model provides a clamping mechanism for wood processing and slicing, and relates to the technical field of wood processing equipment, the clamping mechanism comprises a machine rod, a positioning device is arranged on one side of a frame plate, the positioning device comprises a plurality of rectangular plates and two shaft rods, one side of one rectangular plate is fixedly connected with a groove drum, and the other side of one rectangular plate is fixedly connected with a plurality of shaft rods. The positioning device comprises a rectangular plate, a groove drum is arranged in the rectangular plate, two oil grooves are formed in the groove drum, hydraulic oil is arranged in the oil grooves, and electric push rods are arranged on the upper side and the lower side of the rectangular plate provided with the groove drum respectively. The clamping rods on the outer surface of the shaft rod are clamped on the surface of wood through deformation force of the coil spring to preliminarily fix the position of the wood, and then the expansion pieces in the groove drum expand outwards to abut against the outer surface of the shaft rod to fix the angle of the shaft rod, so that the wood can be rapidly clamped in a labor-saving mode; and the convenience and practicability of the clamping mechanism in use are improved.

This application relates to the field of surface finishing technology for water-based paint panels used in home furnishing manufacturing, and particularly to a surface finishing process for a smart bionic solid wood straight-grain water-based paint panel with open-grain wood veneer. The surface finishing process includes the following steps: S1 stage: open-grain wood veneer shaping; S2 stage: smart bionic solid wood straight-grain UV primer composite coating, which includes five coating steps; S3 stage: water-based paint topcoat composite coating. This application provides a surface finishing process for a smart bionic solid wood straight-grain water-based paint panel with open-grain wood veneer to solve the problems of cumbersome steps and low production efficiency in existing coating processes.

The utility model discloses a turnover four-side planer cutter shaft which comprises a machine base, a pressing wheel device and a cutter device, wherein the pressing wheel device and the cutter device are movably arranged on the machine base. The machine base is provided with a first vertical driving mechanism used for driving the pressing wheel device to reciprocate in the vertical direction, a horizontal driving mechanism used for driving the tool device to reciprocate in the horizontal direction, and a second vertical driving mechanism used for driving the tool device to reciprocate in the vertical direction. And the turnover driving mechanism is used for driving the cutter device to turn over. The turnover four-side planer cutter shaft has the advantages of being compact in structure, high in machining precision and high in continuous machining capacity, and the product quality and the production efficiency can be effectively improved.

The present application relates to the technical field of planing equipment, and particularly relates to a bamboo integrated material rough planing integrated processing device, which comprises a rack, a conveying frame is arranged on the rack, a conveying mechanism for conveying bamboo is arranged on the top of the rack relative to the position above the conveying frame, a top cover is fixedly connected to the top of the rack, a pair of vertical shafts are rotationally connected to the top end in the top cover relative to the positions on both sides of the conveying frame, and rough planing knives are fixedly connected to the outer walls of the vertical shafts, the expansion mechanism is arranged, when the bamboo production line needs to be expanded, the expansion frame is only needed to be installed on the reserved position of the rack, the expansion planing knives are connected to the rough planing knives on the original equipment through chains, the rapid expansion of the device is realized, the original rough planing knives are used to drive the new expansion planing knives to rotate, the driving unit is saved, a new rough planing line is formed between the original rough planing knives and the expansion planing knives, the installation of a group of planing knives is saved, and the cost and the installation and debugging time are greatly saved.