152results about "Feeding devices" patented technology

The invention belongs to the technical field of wood sawing, and particularly relates to wood sawing and segmenting equipment based on papermaking raw materials and an operation method thereof.The wood sawing and segmenting equipment comprises a base, a sliding plate is slidably connected to the top of the base, two supports are fixedly connected to the top of the sliding plate, and a supporting plate is rotatably connected between the two supports; according to the wood sawing and segmenting equipment based on the papermaking raw materials and the operation method of the wood sawing and segmenting equipment, a hydraulic cylinder controls a guide wheel to be pushed upwards, one side of a supporting plate tilts upwards, then a chain is in an inclined state, and after the chain tilts, logs slide downwards under the action of gravity and then are attached to a push plate; when the logs are conveyed upwards in an inclined mode, a third motor controls a cam to rotate, the cam is matched with a square groove, a chain swings left and right, the supported logs can be corrected through swinging of the chain, and the situation that the logs cannot be corrected due to the fact that the friction force between the logs and the chain is too large after the logs are inclined is avoided.

The utility model discloses an automatic timber saw cutting device which comprises a machine base, a saw cutting device, a saw cutting device, a saw cutting device, a saw cutting device and a saw cutting device. The straightening assembly comprises two positioning seats and a positioning seat driving part, and the two positioning seats are arranged on the machine base in a spaced mode and can get close to or get away from each other in the Y-axis direction; the two positioning seats are formed in a positioning area when being far away from each other; the positioning seat driving part is used for driving the two positioning seats to get close to each other or get away from each other; the two positioning seats are each provided with a positioning piece and a positioning piece driving piece, and the positioning pieces are rotationally connected with the positioning seats and lock a workpiece when the two positioning seats get close to each other; the positioning piece driving piece comprises a first driving piece and a second driving piece, the first driving piece is used for driving the positioning piece to rotate after the positioning piece locks the workpiece, and the second driving piece is used for driving the positioning piece to move in the X-axis direction after the workpiece rotates so as to straighten the workpiece. The workpieces are automatically straightened through the straightening assembly, and production is more automatic.

The utility model discloses a wood cutting machine. The wood cutting machine comprises a rack, a driving rotating shaft, a cutting blade, a clamping limiting assembly and a cutting positioning assembly. The clamping limiting assembly comprises a pair of material pushing sliding rails, a front baffle is assembled above the pair of material pushing sliding rails in a sliding mode, a rear baffle is assembled on the side, close to the cutting blade, of the front baffle, and a plurality of evenly-distributed connecting threaded rods are connected between the front baffle and the rear baffle in a threaded mode. The cutting positioning assembly comprises a positioning baffle, a supporting connecting rod is inserted into the lower portion of the positioning baffle, a threaded sliding block is fixedly connected to the lower portion of the supporting connecting rod, and a threaded rod is in threaded connection with the interior of the threaded sliding block. According to the wood cutting machine, through the arrangement of corresponding structures, auxiliary limiting and cutting control can be conducted on wood to be cut according to actual needs, the wood cutting process of the wood cutting machine is simplified, the consistency of the cutting size of the wood cutting machine is guaranteed, and the cutting efficiency is improved. And the use safety of the wood cutting machine is improved.

The utility model provides wooden door and door pocket fine cutting equipment and a saw carriage structure thereof.The wooden door and door pocket fine cutting equipment comprises a shell, the upper side face of the shell is provided with a machining face, and the machining face is provided with a cutter groove and a negative pressure area; the saw blade unit is arranged in the shell; the saw blade unit comprises a longitudinal cutter set and a lifting assembly, the longitudinal cutter set corresponds to the cutter groove, and the lifting assembly is in driving connection with the longitudinal cutter set; and the negative pressure unit is connected with the negative pressure area and is used for enabling the negative pressure area to be in a negative pressure state. According to the saw carriage structure, the negative pressure area can be used for carrying out negative pressure adsorption and fixation on a plate on the machining face, and the plate is prevented from deviating in the cutting process; and the longitudinal cutter set is driven by the lifting assembly to ascend and expose the cutter groove to cut the plate, and descends into the shell when working is not needed, so that operation accidents caused by the fact that the longitudinal cutter set is exposed outside are avoided, and safety and reliability are achieved.

The utility model belongs to the field of wood squaring, and particularly relates to numerical control equipment for four-edge squaring. The device comprises a lathe bed, a cutting device, a machining platform and a conveying device, the cutting device is slidably connected to the upper portion of the lathe bed, the machining platform is fixedly connected to the middle of the lathe bed, and the conveying device is installed on the machining platform; the cutting device comprises a front-end saw, a rear-end saw and a side saw, the front-end saw, the rear-end saw and the side saw are connected to the lathe bed in a sliding mode and located on the machining platform, and a plate is arranged on the machining platform. The device has the advantages that the automation degree is high, automatic conveying and feeding and automatic positioning can be achieved, the four edges of a plate can be machined at a time through the four cutting saws, and efficiency is improved.

The utility model discloses a wide wood bamboo board high-precision vertical fragmentation device, which comprises a frame and a fragmentation mechanism arranged on the frame, the fragmentation mechanism comprises a transmission belt, a hold-down mechanism and a saw blade, the transmission belt is vertically arranged so that the transmission surface faces the side surface, and the hold-down mechanism is arranged on the transmission belt. The saw blade is arranged in front of the conveying belt in parallel and is used for cutting and slicing conveyed materials when moving up and down, the two groups of pressing mechanisms are respectively arranged in front of the conveying belt relative to the front sequence and the rear sequence of the saw blade, and the pressing mechanisms are matched with the conveying belt to clamp and limit the materials and convey the materials when the conveying belt runs. According to the utility model, uniform thickness and high surface precision of sliced wood-bamboo plates are ensured; the processing efficiency is improved, the labor intensity is reduced, the manufacturing cost is reduced for enterprises, meanwhile, the processing precision of the sliced wide-width wood-bamboo boards is guaranteed, and the defective rate is reduced.

The invention relates to the technical field of woodworking saw machinery, in particular to a rear feeding numerical control cut-to-size saw and a control method. The cut-to-size saw comprises a machine table which is provided with a material pressing device and a saw cutting device; the feeding device comprises a rack, a lifting table, a first push plate mechanism, a second push plate mechanism and a labeling mechanism; the rack is provided with a feeding cavity and a conveying channel. The lifting table is used for lifting the stacked plates to the level of the conveying channel; the second plate pushing mechanism is used for pushing the lifted plates to the conveying channel; the first push plate mechanism comprises a first cross beam, a first motor, a first magnetic grid positioning structure, a plurality of clamp assemblies distributed side by side and a lifting assembly used for driving the clamp assemblies to ascend and descend. According to the scheme, through automatic feeding of the lifting table, cooperative transferring of the first plate pushing mechanism and the second plate pushing mechanism and a lifting avoiding mechanism of the clamp assembly, synchronous operation is combined with the labeling mechanism, continuous sawing pretreatment of multiple plates is achieved, the standby time is remarkably shortened, the production efficiency and the cutting precision are improved, and manual dependence is reduced.

The utility model discloses an air floating platform which comprises an air floating table and a machine table, the air floating table is communicated and connected with the machine table, the air floating table comprises a table plate, a floating table frame, a supporting column, a supporting plate, an air blower, a sound insulation cover and an air supply pipe, the table plate is installed at the upper end of the floating table frame in a covering mode, the table plate and the floating table frame form a cavity, and a plurality of vent holes penetrating through the table plate are formed in the table plate. The ventilation hole is communicated with the cavity, the floating platform frame is connected with the cavity, the supporting column is installed on one side of the lower end of the floating platform frame, the supporting plate is fixedly connected with the supporting column, the supporting plate is installed on the supporting column, the sound insulation cover is fixedly installed on the supporting plate, the sound insulation cover is provided with a containing cavity, the air blower is installed in the containing cavity, and the air blower is communicated with the air supply pipe. And the air supply pipe is communicated with the chamber. The device is simple in structure, low in cost, easy to maintain and convenient to operate and move, and does not generate large noise.

The application belongs to the technical field of wood sawing, in particular to a wood sawing and segmenting equipment for papermaking raw materials and an operation method thereof, which comprises a base, a sliding plate slidingly connected to the top of the base, two supports fixedly connected to the top of the sliding plate, and a support plate rotatably connected between the two supports; the wood sawing and segmenting equipment for papermaking raw materials and the operation method thereof are provided, the guide wheel is pushed upward by the hydraulic cylinder, one side of the support plate is raised upward, and then the chain is in an inclined state; after the chain is inclined, the log slides downward under the action of gravity, and then is attached to the push plate; the inclined log can be corrected by the push plate; when the log is inclined upward and conveyed, the cam is rotated by the third motor, the chain swings left and right through the cooperation of the cam and the square groove, the log can be corrected through the swinging of the chain, and the log can be prevented from being inclined and unable to be corrected due to excessive friction with the chain.

The utility model discloses a wood bamboo board edge cutting mechanism which comprises a positioning mechanism, a conveying mechanism and an edge cutting mechanism, the positioning mechanism comprises a plurality of groups of pressing rolling wheels, the conveying mechanism comprises a conveying belt, the plurality of groups of pressing rolling wheels are arranged above the conveying belt at intervals, and the pressing rolling wheels are controlled by a driving part to ascend and descend. The materials are positioned and conveyed in cooperation with the conveying belt when descending to abut against the materials; the edge cutting mechanism comprises two pairs of circular saw blades, the two pairs of circular saw blades are arranged on the front side and the rear side of the conveying belt at intervals, the distance between the front pair of circular saw blades is larger than that between the rear pair of circular saw blades, and therefore when the conveying belt conveys materials to pass through the two pairs of circular saw blades, the front pair of circular saw blades conduct fixed-width trimming on the outer edges of the materials, and the rear pair of circular saw blades conduct accurate edge cutting on the materials. According to the edge cutting device, effective positioning of the wood and bamboo boards is achieved through the positioning mechanism, the edge cutting stability is improved, secondary edge cutting is conducted through the two pairs of circular saw blades, and the edge cutting precision is improved.

The utility model discloses a control system of a rear feeding double-pushing-handle computer cut-to-size saw with a rotating plate device, and the computer cut-to-size saw comprises a cutting device, a pressing device, a work clamp feeding device, a pushing device, a stopping device and the rotating plate device, the control system comprises a cutting device control unit, a material pressing device control unit, a work clamp feeding device control unit, a material pushing device control unit, a stopping device control unit and a plate rotating device control unit. The cutting device control unit, the material pressing device control unit, the work clamp feeding device control unit, the material pushing device control unit, the stopping device control unit and the plate rotating device control unit correspondingly control the cutting device, the material pressing device, the work clamp feeding device, the material pushing device, the stopping device and the plate rotating device respectively. Therefore, automatic plate rotating design is achieved, manual plate rotating is not needed, the manual plate rotating time is shortened, and the machining efficiency is improved.

A lumber cutting and delivery system for use in assembling trusses on a truss table includes a saw for cutting a piece of material into pieces of a truss. A trunk conveyor system receives the pieces cut from the saw. The trunk conveyor system has a first conveying element to transport the pieces over a distance in a travel direction and an ejector for discharging the pieces from the first conveying element in a first discharge direction. A branch conveyor system is configured to receive the pieces discharged from the trunk conveyor system in the first discharge direction. The branch conveyor system has a main conveying element to transport the pieces.

The log cutting and continuous drying type integrated machining equipment comprises a shell, a cutting machining assembly is arranged on the left side of the shell, the cutting machining assembly is used for cutting and machining logs, and a feeding port used in cooperation with the cutting machining assembly is formed in the left side of the shell; and a sealing connection assembly is arranged on the shell. The cutting machining assembly, the adsorption transfer assembly, the preheating assembly and the drying assembly are integrated on the same shell, logs are automatically adsorbed and transferred into the shell by the adsorption transfer assembly after being cut by the cutting machining assembly, are preheated by the preheating assembly and then are conveyed to the drying assembly to be dried, manual transfer is not needed in the whole machining process, and the machining efficiency is improved. And the transfer pause link of split operation is eliminated, assembly line continuous operation of cutting, transfer, preheating and drying is achieved, and the overall production efficiency of log processing is greatly improved.

The utility model belongs to the field of numerical control sawing machines, and particularly relates to a numerical control sawing machine feeding device which comprises a workbench, two lead screws are arranged on the front side and the rear side of the top end of the workbench, the surfaces of the lead screws are in threaded connection with sliding sleeves, lubricating assemblies are arranged at the bottoms of the sliding sleeves, and anti-blocking assemblies are arranged on the side faces of the sliding sleeves. In the feeding process, the arc-shaped plate can make contact with the protruding block periodically, at the moment, the spray pipe can spray lubricating oil to the surface of the lead screw, the effect of periodically lubricating the lead screw is achieved, at the moment, the sliding sleeve moves on the surface of the lead screw, the blocking condition cannot occur, noise cannot occur, and the service life of the lead screw is prolonged. In addition, in the feeding process, an air pump can spray air flow to the surface of the lead screw through an air pipe, the air flow blows away battens possibly attached to the surface of the lead screw, the situation that the sliding sleeve makes contact with the battens when moving, the battens move into the sliding sleeve is avoided, and then the situation that the sliding sleeve is blocked when moving is avoided.

A cutting device of an edge banding machine is provided, and the edge banding machine includes a conveying mechanism configured to convey a board along a first direction. The cutting device includes a base, a cutting assembly, at least one abutting assembly and a first moving mechanism. The cutting assembly includes a seat, at least one blade and a driving motor. The at least one blade is disposed on the seat and includes a plurality of cutting teeth, and each of the plurality of cutting teeth includes a first edge portion and a second edge portion, and each said second edge portion is disposed on a side of one said first edge portion and has an arcuate surface. The at least one blade is drivable to move in a second direction lateral to the first direction by the first moving mechanism.

The intelligent multi-blade saw relates to the technical field of multi-blade saws and comprises a supporting frame, a supporting plate and a conveying belt, the supporting frame is located at the output end of the conveying belt, the supporting plate is located at the upper end of the supporting frame, and the side, away from the conveying belt, of the supporting plate is rotationally connected with the supporting frame; a second rotating block is rotationally connected to the side, away from the first rotating block, of the interior of the supporting frame, a driving piece for driving the first rotating block to rotate is arranged at the lower end of the supporting frame, a plurality of saw blades are arranged between the first rotating block and the second rotating block, connecting assemblies are arranged on the saw blades, and every two adjacent saw blades are connected through the corresponding connecting assemblies; the two saw blades with the farthest distance are connected with the first rotating block and the second rotating block through connecting assemblies correspondingly, the upper ends of the saw blades penetrate through the supporting plate, a collecting box for collecting wood chippings is arranged in the supporting frame, and a dust suction assembly is arranged at the upper end of the supporting frame. The saw blade replacing device has the effect of improving the saw blade replacing efficiency and the surrounding environment quality.

The edge cleaning sawing machine comprises a feeding assembly, a material conveying assembly and a sawing assembly which are sequentially connected, and a visual recognition system and a deviation rectifying assembly are arranged on the material conveying assembly; the sawing assembly comprises two or more sets of sawing moving assemblies arranged in the material moving direction, each sawing moving assembly comprises a long-shaft motor, a saw blade installed at the output end of the long-shaft motor and a lead screw transmission structure, and the lead screw transmission structure is used for driving the long-shaft motor on the lead screw transmission structure to move in the axis direction of the long-shaft motor; material clamping is carried out on the left side and the right side of a wood board in a butt-clamping mode, the thickness span of the wood board is large, and clamping of wood boards with different thicknesses is adapted; the saw blade can be accurately controlled to move to the set cutting position through driving of the servo motor, the saw blade can be changed at will, and front and back wood boards of different specifications can be cut in respective optimal forms.

The utility model relates to the technical field of feeding devices, in particular to a circular sawing machine feeding device which comprises a fixing assembly arranged on an operation table top of a circular sawing machine and a driving assembly used for driving the fixing assembly to move in the cutting direction of the circular sawing machine, the fixing assembly comprises a clamping piece and a guiding piece, the clamping piece is used for clamping one end of a wood plate, and the guiding piece is used for guiding the wood plate to move in the cutting direction of the circular sawing machine. The clamping piece further comprises a power piece, and the power piece is used for driving the clamping piece to move so that the other end of the wood board can abut against the guiding piece in a sliding mode. Through the arrangement of the fixing assembly, the wood board can be well fixed on the fixing assembly, so that in the process that the driving assembly drives the clamping piece to drive the wood board to be fed, the wood board is not prone to inclining, and the situation that the cutting end face is rough and uneven when the wood board is cut can be well avoided.

This utility model discloses an energy-saving band saw for wood processing, relating to the field of wood processing technology. The energy-saving band saw for wood processing includes: a worktable for placing wood planks; a housing fixedly mounted on the worktable; two transmission discs rotatably mounted inside the housing, the two transmission discs being in the same vertical direction; and a saw blade, driven by the two transmission discs, passing through the worktable. This energy-saving band saw is specifically designed for wood processing. The transmission discs drive a first bevel gear meshing with a transmission shaft to rotate, which in turn drives a pusher wheel connected to a second bevel gear to rotate, achieving automatic feeding during the wood cutting process and effectively improving processing efficiency. Furthermore, the drive motor simultaneously drives both the transmission discs and the pusher wheel, reducing the number of drive components and thus lowering energy consumption.

The invention belongs to the technical field of cutting processing, and particularly relates to automatic processing equipment for efficiently cutting cork sheets, which comprises a workbench, a first electric push rod fixedly arranged at the top of a frame body, a supporting block arranged in the frame body, a frame arranged at the bottom of the supporting block, and an adjusting mechanism arranged in the supporting block and used for adjusting the position of the frame. A supporting shaft is rotationally arranged in the supporting frame, a circular saw used for machining the cork wood sheet is fixedly arranged on the supporting shaft, and a power mechanism used for driving the circular saw to rotate is arranged on the supporting frame. According to the automatic processing equipment for efficiently cutting the softwood thin plates, different softwood thin plates can be conveniently and rapidly prepared through a threaded rod and a circular saw, a servo motor works to drive the threaded rod to rotate, the position of a sliding block can be adjusted, the position of the circular saw is adjusted through a frame, and after the circular saw is adjusted to a preset position, the softwood thin plates are vertically cut and processed; and the softwood sheets with different sizes can be conveniently and rapidly processed and prepared, and the flexibility and the working efficiency are improved.

This invention discloses an integrated wood transport and cutting machine, comprising a chassis, wheels, a storage box, a lifting and rotating mechanism, a connecting seat, a motor, a driving gear, an end cover, a driven gear, a movable seat, and a clamping and cutting mechanism. This invention features a reasonable and simple structure, low production cost, and convenient installation. The motor, through the driving and driven gears, drives the movable seat to rotate, ensuring the clamping and cutting mechanism is aligned with the wood material, allowing the clamping claws to hold the wood. The motor, through the driven gear, drives a double-ended screw to rotate, causing two movable blocks to move outwards or inwards. This movement of the movable blocks, via slots, drives the clamping claws to move laterally, enabling the wood to be clamped and moved by a set of claws. This satisfies the need for rapid cutting of wood at different locations, thus improving the convenience of wood cutting.

The invention discloses an automatic bamboo tube sectioning device for bamboo chopstick processing, and relates to the technical field of automatic bamboo tube sectioning, the automatic bamboo tube sectioning device comprises a conveying part, a lifting pressing part is arranged above the conveying part, a tube cutting part used for cutting bamboo into bamboo tubes is arranged on the side of the lifting pressing part, and a discharging part is arranged on the side, away from the conveying part, of the tube cutting part. In order to solve the problems, the automatic bamboo tube section cutting device for bamboo chopstick processing is provided, automatic conveying, pressing, cutting and discharging systems can be achieved, the mechanical operation use requirement in the bamboo tube section cutting process is met, the conveying part is arranged, bamboo conveying operation can be conducted, the lifting pressing part is arranged, and the bamboo tube section cutting device is convenient to use. According to the bamboo cutting device, auxiliary pressing operation is carried out when bamboos are conveyed to a designated position, deviation in the bamboo sawing process is avoided, the barrel cutting part is arranged, the bamboos can be sawed off and cut and segmented into bamboo tubes, the discharging part is arranged and used for discharging the cut bamboo tubes, and a cutting station is vacated for follow-up cutting-off operation.

This invention relates to the field of wooden pallet technology, specifically to a mildew-resistant and pressure-resistant wooden pallet and its manufacturing process. The pallet includes a base, a belt conveyor at the upper end of the base, and upper frames on the upper ends of both the front and rear sides of the base. A support frame is installed on the lower right side of the upper frame, and a height detection component is installed through the middle of the support frame. A rotating component is connected to the lower external end of the height detection component. A cutting component is installed in the middle of the lower end of the upper frame, and a coating component is installed on the lower left side of the upper frame. Compared to existing wooden pallets and their manufacturing processes, this application has an excessive height removal function, which can remove excessively tall products, allowing workers to readjust them. This prevents direct cutting by equipment from damaging the entire upper surface and avoiding waste due to excessive cutting thickness. This application ensures the mildew-resistant effect of the wooden pallet through the application of mildew-resistant paint to the upper surface and drying treatment.

The present application relates to a kind of intelligent edge sawing machine plate cutting mode switching mode, before wood is transported to visual scanning area, the length of wood is detected;According to the length of wood, corresponding delay time is set;After the wood is transported to the most front deviation roller in visual scanning area, start timing, after reaching delay time, deviation roller stops conveying;Visual identification system acquires the surface image of wood in detection area, and the preset cutting line between the maximum cutting width of two inner contour curves is calculated;According to the deviation distance between preset cutting line and actual cutting line, different delay time is set for different length of wood board, the stop position of wood board is different, customers can process shorter wood board, improve the yield of wood, improve production benefit;Mobile wood board is once in place, only deviation is carried out once, mobile precision is increased, the service life of mobile module is increased, and the use frequency of camera and industrial computer is reduced.

Sawmill plant for cutting up round timber (14), comprising a plurality of processing stations (16, 18, 20, 22), a conveyor system (24), and a control unit (26) configured to control the plurality of processing stations (16, 18, 20, 22) and the conveyor system (24) to cut up a round timber (14) with a defined sequence (12) of processing steps, wherein the plurality of processing stations (16, 18, 20, 22) comprises a first double circular saw (16) and a first double band saw (18), wherein the first double circular saw (16) has a first circular saw blade (42) with a first axis of rotation (44) and a second circular saw blade (46) with a second axis of rotation (48) arranged parallel to the first axis of rotation (44), such that there is a gap between the first circular saw blade (42) and the second circular saw blade (46) a first defined gap (50) remains,wherein the first double band saw (18) has a first band saw blade (56) with a first saw line (60) and a second band saw blade (58) with a second saw line (62) which is arranged parallel to the first saw line (60), so that a second defined space (64) remains between the first saw line (60) and the second saw line (62), wherein the first and the second axes of rotation (44, 48) are arranged parallel to the first and the second saw lines (60, 62), and wherein the conveying system (24) is configured to guide the log (14) or a saw product (32) produced from the log (14) through the first space (50) relative to the first double circular saw (16) and further through the second space (64) relative to the first double band saw (18).

The utility model belongs to the field of wood tray processing, and provides a wood board fixed-length cutting device which comprises a machine table, a top frame is upwards arranged on the machine table, a left cutting frame and a right cutting frame are arranged on the machine table, the left cutting frame is fixedly installed, the right cutting frame is installed in a sliding mode, a cutting disc is arranged on the cutting frames in a rotating mode, and the cutting disc is arranged on the machine table. A driven wheel is arranged on a shaft rod of the cutting disc, a cutting motor used for driving the driven wheel to rotate is arranged below the cutting frame, and a pair of front conveying wheels and a pair of rear conveying wheels are rotationally arranged on the cutting frame. When the device is used for cutting a wood board, firstly, the two ends of the wood board are placed on the left discharging position and the right discharging position according to requirements, the feeding mechanism drives the conveying belt to rotate forwards at the same time, the wood board moves towards the cutting discs, the two ends of the wood board are cut through the left cutting disc and the right cutting disc at the same time, and the cut wood board is discharged from the front end of the machine table; and the blocking seat returns to the initial position, the conveying belt stops rotating, and then the worker feeds the next wood board to the discharging position to wait for cutting.

The utility model discloses a cut-to-size saw with an automatic feeding structure, which relates to the technical field of cut-to-size saws and comprises a mounting seat and a saw body, the saw body is arranged on the inner side of the mounting seat, the middle of the saw body is in threaded connection with a threaded hole in a mounting rod through a locking bolt, and a driving motor is mounted at one end of the mounting seat through a connecting bolt. According to the cut-to-size saw with the automatic feeding structure, an electric push rod and a feeding push plate are adopted for pushing plates to achieve single continuous pushing and cutting of the plates, safety is higher, through adjustable arrangement of a baffle, the stacked plates can be limited, the plates are prevented from toppling over, and adding of the plates is facilitated; according to the panel saw with the automatic feeding structure, the size of the discharging opening can be adjusted according to the thickness of a panel, so that the feeding requirements of the panels with different thicknesses are met, and the panel saw with the automatic feeding structure solves the problem that when a worker pushes the panel to be close to a saw blade to cut the panel, the risk is still large in the using process.

Regarding a board cutting device that cuts intermediate workpieces from a long workpiece, the technical challenge was to develop a workpiece feeding and retraction device that can push the long workpiece to the cutting position while slightly retracting the remaining long workpiece, and a board cutting device that applies this device. [Solution] The workpiece feeding and returning device 2 of the present invention comprises a traveling beam, a lifting frame supported by the traveling beam and shifted up and down by a lifting shift cylinder 36, and an extrusion chuck unit 5 supported by the lifting frame. The extrusion chuck unit 5 comprises an extrusion plate 51 that is supported by a unit support arm 44 of the lifting frame and can protrude forward, a chuck plate 55 that is movable in the vertical direction, and a lower pressing claw 54 provided below the chuck plate 55. The lifting frame is characterized in that a biasing means S is provided between the lifting frame and the traveling beam to slightly raise the lifting frame when the pressure of the lifting shift cylinder 36 is released.

The utility model discloses an automatic cutting machine for chopstick sheets. The automatic cutting machine comprises a machine table, a material table, a cutting device, a feeding device, a feeding system, a discharging system and a control module. The feeding bin is fixed above the machine table, the bottom of the feeding bin is provided with a first telescopic execution part and a second telescopic execution part which are used for supporting the bottommost layer of sheet stock and laterally pressing the second layer of sheet stock at the bottom respectively during stretching out, and the control module controls the first telescopic execution part and the second telescopic execution part to be matched to stretch out and draw back to achieve sheet stock falling one by one. The feeding mechanism comprises a width positioning device and a material ejecting device. The width positioning device limits the Y-direction position and the cutting angle of sheet materials through two sets of lead screw motors. The material jacking device comprises a material jacking actuator and a double-layer material jacking assembly, the double-layer material jacking assembly enables an upper-layer top plate and a lower-layer top plate to move relatively in the Y direction through an adjusting gear, and the corresponding layers of sheet materials are independently jacked and pushed to achieve layered accurate positioning. The full-automatic cutting machine achieves automation in the whole process from feeding, cutting to discharging, is high in working efficiency and high in control precision, and ensures consistency of finished products.