28results about How to "Cut off" patented technology

The invention provides a cylindrical lithium battery. The sum of the areas of all second holes of a positive collector plate in the cylindrical lithium battery is 0.9-1.5 times of the area of a first hole, a fusing groove is formed in a tail body part of the positive collector plate, and the minimum sectional area S2 of the tail body part at the position of the fusing groove is 45%-65% of the overall sectional area S1 of the tail body part; a negative collector plate in the cylindrical lithium battery is provided with a heightening platform with a flat surface, the diameter D8 of the heightening platform is 28%-38% of the diameter D7 of the negative collector plate, and the height difference H4 between the surface of the heightening platform and the surface of the first side is 18%-30% of the thickness T4 of the negative collector plate. By reasonably designing the necking part, the positive collector plate and the negative collector plate, the cylindrical lithium battery disclosed by the invention is balanced in multiple aspects of liquid injection performance, safety, weldability and the like, and the battery performance can be improved.

The invention provides a cylindrical lithium battery. A first hole and second holes are formed in a plate body part of a positive collector plate in the cylindrical lithium battery, the diameter of each second hole is 25%-35% of the diameter of the plate body part, the sum of the areas of all the second holes is 0.9-1.5 times of the area of the first hole, and a fusing groove is formed in a tail body part of the positive collector plate. The distance between the center position of the fusing groove and the end, away from the disc body part, of the tail body part is 68%-78% of the length of the tail body part, and the minimum sectional area S2 of the tail body part in the fusing groove is 45%-65% of the overall sectional area S1 of the tail body part. According to the cylindrical lithium battery, the disc body part and the tail body part of the positive collector disc are reasonably designed, so that the cylindrical lithium battery is balanced in the aspects of safety, liquid injection performance, weldability and the like.

The invention provides a cylindrical lithium battery. A necking groove is formed in a shell in the cylindrical lithium battery, the height H2 of the necking groove is 0.1%-1% of the height H1 of the shell, and the depth H3 of the necking groove in the radial direction is 5%-10% of the outer diameter D1 of the shell; the sum of the areas of all second holes of a positive collector plate in the cylindrical lithium battery is 0.9-1.5 times of the area of a first hole, a fusing groove is formed in a tail body part of the positive collector plate, and the distance between the center position of the fusing groove and the end, away from a plate body part, of the tail body part is 68-78% of the length of the tail body part; the minimum sectional area S2 of the tail body part at the position of the fusing groove is 45%-65% of the overall sectional area S1 of the tail body part; the negative collector plate in the cylindrical lithium battery is provided with a heightening platform with a flat surface, and the flatness of the surface of the heightening platform is 0.01-0.05 mm. By reasonably designing the necking part, the positive collector plate and the negative collector plate, the cylindrical lithium battery disclosed by the invention is balanced in multiple aspects of liquid injection performance, safety, weldability and the like, and the battery performance can be improved.

The invention belongs to the technical field of pipe fitting machining, and particularly relates to a cutting machine for plastic pipe fitting machining, which comprises a workbench, a mounting frame, a disc and a fixing seat, the mounting frame is fixedly mounted on the workbench, the disc is fixed on the mounting frame, a through hole is formed in the disc, an annular rail coaxial with the disc is fixed on the disc, and the fixing seat is fixed on the annular rail. A rotating seat is arranged on the annular rail in a sliding fit mode, a cutting mechanism used for cutting a plastic pipe fitting is arranged on the rotating seat, and a crown gear ring coaxial with the disc is further fixed to the disc; and the fixed seat is arranged on the mounting frame in a sliding manner. A plastic pipe fitting can be cut from the two sides, bending deformation caused by one-way stress of the plastic pipe fitting is avoided, the cutting efficiency of the plastic pipe fitting is effectively improved, the plastic pipe fitting is annularly cut through the two sets of cutting assemblies, the cutting assemblies only need to move by the distance larger than the thickness of the pipe wall, and then the pipe fitting can be cut off; and the cutting efficiency can be further improved.

A semiconductor structure and a forming method thereof, the method comprising: forming an initial gate on surfaces of a plurality of composite layers, the initial gate also being in a first opening, the initial gate being parallel to a second direction, and the initial gate having an isolation groove therein, the isolation groove being between two adjacent composite layers, and a bottom of the isolation groove exposing a substrate; forming a first isolation material layer on surfaces of the initial gate and in the isolation groove; forming a third opening in the first isolation material layer, the third opening exposing the initial gate at top portions of the plurality of composite layers; forming a second gate material layer on surfaces of the first isolation material layer and in the third opening; planarizing the first isolation material layer, the initial gate and the second gate material layer until a top surface of an insulating wall is exposed, to form a first gate with the initial gate, a second isolation layer with the first isolation material layer, and a second gate with the second gate material layer, the second isolation layer being formed by a self-alignment process, improving quality of the second isolation layer.

The present invention discloses a medical suture heat curing automatic cutting machine, which belongs to the technical field of textile machinery. The medical suture heat curing automatic cutting machine includes a frame, a tension wire release device, a heating curing device, a traction length fixing device and a cutting device. The tension wire release device is installed on one side of the frame, and the tension wire release device includes a wire drum; the heating curing device includes a heating block; the traction length fixing device includes a linear module, a movable finger cylinder and a fixed finger cylinder, and the linear module is slidably connected to the movable finger cylinder; the cutting device includes a blade. The present invention can accurately cut out sutures of the same length, and the cutting process does not require manual participation, will not cause suture contamination, saves a lot of labor costs, can realize continuous automatic cutting, and is highly efficient; the suture fracture after cutting will harden, will not be loose and unable to thread, and there is no need to cut off the loose sutures in the later stage, threading is convenient, and waste of sutures is avoided.

The utility model relates to the technical field of transmission cases, and discloses a transmission case capable of switching the number of output power ports, which comprises a front shell and a rear shell, and the rear shell is arranged on the right side of the front shell; an oil cylinder assembly is arranged on the top of the front shell, an output gear sleeve is arranged on the left side of the front shell, a clutch gear sleeve attached to the front shell is arranged on the left side of the rear shell, an output shaft is rotationally connected to the right side of the rear shell, a shifting fork is arranged on the top of the clutch gear sleeve, and a clutch is arranged on the right side of the clutch gear sleeve. The clutch gear sleeve and the shifting fork are attached to the output gear sleeve. According to the transmission case capable of switching the number of the output power ports, through transmission of the output shaft and the rolling bearing, the output gear sleeve and the clutch gear sleeve are driven to achieve the function of switching the number of the output power ports, the number of the output power ports can be adjusted according to actual requirements, the flexibility and applicability of equipment are improved, and meanwhile, by means of control of the oil cylinder assembly and the shifting fork, the transmission efficiency is improved. Power transmission and cut-off are achieved, operation is easy and convenient, and response is rapid.

The utility model relates to the technical field of BOSA optical devices, and discloses a BOSA optical device bending and cutting device which comprises a workbench, a U-shaped frame is fixedly connected to one side of the top of the workbench, rotating shafts are fixedly connected to the middles of the two sides of the inner wall of the U-shaped frame, a same rotating square block is rotationally connected between the two rotating shafts, a plurality of pin inserting holes are formed in the middle of the rotating square block, and a plurality of pin inserting holes are formed in the middle of the rotating square block. T-shaped sliding grooves are formed in the two sides of the end, close to the inner side of the U-shaped frame, of the rotating square block correspondingly, T-shaped blocks are slidably connected into the two T-shaped sliding grooves correspondingly, the same cutter is fixedly connected to one sides of the two T-shaped blocks, cylindrical protruding blocks are fixedly connected to the two ends of the cutter correspondingly, and special-shaped holes are formed in the two sides of the U-shaped frame correspondingly. The two cylindrical protruding blocks are connected into the adjacent special-shaped holes in a sliding mode respectively. According to the pin bending and cutting device, bending and cutting of pins of a BOSA optical device can be achieved through stretching and retracting of one electric telescopic rod, convenience and rapidness are achieved, the production cost is low, and equipment popularization is facilitated.

The invention discloses a water-fluorine linkage air conditioning system, which comprises a first refrigerant circulation loop, a second refrigerant circulation loop, a third refrigerant circulation loop, a fourth refrigerant circulation loop, a fifth refrigerant circulation loop, a sixth refrigerant circulation loop, a fifth refrigerant circulation loop and a sixth refrigerant circulation loop, and is characterized in that the first refrigerant circulation loop is formed by connecting a compressor, an outdoor heat exchanger, a first throttling device and an indoor heat exchanger; a second refrigerant circulation circuit that circulates a refrigerant in a refrigerant circulation circuit formed by connecting a compressor, a water-fluorine heat exchanger, a second throttle device, and an evaporator; a first water circulation circuit that circulates water in a water circulation circuit formed by passing through the first use-side end and the water-fluorine heat exchanger; a second water circulation circuit that circulates water in a water circulation circuit formed by passing through the second use-side end and the water-fluorine heat exchanger; the tail end of the second use side is arranged on the air outlet side of the indoor heat exchanger. The air conditioning system can realize dehumidification without cooling, and is high in reliability and low in energy consumption.

The application discloses a cosmetic needle assembling mechanism, which comprises a rack, a first feeding mechanism arranged on the rack, a needle pulling mechanism arranged on one side of the first feeding mechanism, a bottle body conveying mechanism arranged on one side of the needle pulling mechanism, a needle tip detection mechanism arranged on the other side of the needle pulling mechanism, a rotating disc assembly arranged on one side of the needle tip detection mechanism, a first clamping jaw mechanism arranged on the rotating disc assembly in a circumferential direction, a threading mechanism, a sponge threading mechanism, a stirring mechanism for stirring the needle head wire, a detection mechanism for detecting the needle cover assembly, which are sequentially arranged on the rotating disc assembly in a circumferential direction, and a cover inserting assembly arranged at the tail end of the bottle body conveying mechanism. The first feeding mechanism, the needle pulling mechanism, the bottle body conveying mechanism, the needle tip detection mechanism, the rotating disc assembly, the threading mechanism, the sponge threading mechanism, the stirring mechanism, the detection mechanism and the cover inserting assembly are integrated on the rack, so that the automatic process of the cosmetic needle assembling is realized.

The utility model provides a steel toecap rubber strip conveying and cutting device which comprises a bottom plate. The top face of the bottom plate is fixedly connected with a workbench, a first conveying assembly is installed at one end of the top face of the workbench, a second conveying assembly is installed on the top face of the workbench and located above the first conveying assembly, and a cutting assembly is installed on the top face of the workbench and located on one side of the first conveying assembly. The cutting-off assembly comprises a Y-shaped frame and a bent rod, the Y-shaped frame and the bent rod are fixedly connected to the top face of the workbench, a U-shaped limiting block is fixedly connected to the top face of the Y-shaped frame, a cutter groove is formed in the bottom face of the U-shaped limiting block, and an arc-shaped lower pressing piece is fixedly connected to one end of an inner cavity of the U-shaped limiting block. And the bottom surface of the bent rod is fixedly connected with a downward pressing pneumatic rod. According to the rubber strip cutting device, through mutual cooperation of the first conveying assembly, the second conveying assembly, the cutting assembly, the intercepting and discharging assembly and the feeding assembly, coiled rubber strips can be cut into rubber strips with the same length.

The utility model provides a surgical operation device applied to transverse carpal ligament cutting, relates to the technical field of medical instruments, and solves the technical problems that tissues in a carpal canal cannot be monitored in real time and the tissues in the carpal canal are possibly damaged due to sliding cutting of a bush-hook in the prior art. The device comprises a handle, an endoscope assembly, a driving assembly and a catheter assembly, the rear half section of the catheter assembly is installed in the handle, the front half section of the catheter assembly penetrates through the front end of the handle, one end of the endoscope assembly is installed at the rear end of the handle, the other end of the endoscope assembly penetrates through the catheter assembly, and the driving assembly is installed on the handle. One end of the driving assembly is connected to the front end of the handle, and the other end of the driving assembly penetrates through the front half section of the catheter assembly.

The utility model relates to the technical field of medium-frequency induction heating technology metal smelting, and particularly discloses a contactor auxiliary starting device for an electric induction furnace, which comprises a rectifying circuit, a switch follow current circuit, a vacuum contactor control circuit, a starting feedback voltage detection circuit and a running state indication circuit, the input end of the rectifying circuit is electrically connected to a workshop power supply grid, and the rectifying circuit is electrically connected with the switch follow current circuit; the vacuum contactor control circuit is powered by a workshop control power supply VCC1, and the vacuum contactor control circuit is electrically connected with the switch follow current circuit; and the starting feedback voltage detection circuit is electrically connected with the vacuum contactor control circuit and is in signal connection with the post-stage circuit. According to the invention, the conduction time of the fly-wheel diode can be delayed when the electric induction furnace is started, so that the resonant load can obtain enough excitation energy at the initial stage of oscillation establishment, and after oscillation is stable, the fly-wheel diode plays a role again, so that the influence on oscillation establishment caused by premature conduction of the fly-wheel diode is avoided.

The utility model discloses a continuous fiber's shearing mechanism relates to 3D printing technical field, including the connecting frame, driving element, transmission element and shearing element, one side of connecting frame is used for connecting the print head, and the nozzle of print head is used for extruding continuous fiber composite material wire material, driving element installs on connecting frame, and driving element is connected the mounting end of shearing element through transmission element, and the shearing end of shearing element is close to the setting of nozzle, and shearing element is used for cutting off the continuous fiber composite material wire material of nozzle extrusion. The utility model discloses simple structure, and improves the reliability of continuous fiber reinforced composite material wire material shearing.

The application provides a film strip processing device and a film laying device. The film strip processing device comprises a film releasing part, a pressing and cutting part and a film pulling part arranged in sequence along a first direction, wherein the film releasing part is configured to release a plurality of film strips synchronously; the film pulling part is configured to move along the first direction to clamp the plurality of film strips from the film releasing part and pull the film strips away from the film releasing part along the first direction; the pressing and cutting part is configured to press and cut the plurality of pulled film strips, and the cutting position of the film strip is located on the side of the pressing position away from the film pulling part, so as to obtain a plurality of film strip segments with a predetermined length between the pressing and cutting part and the film pulling part; the pressing and cutting part and the film pulling part are further configured to lay the plurality of film strip segments to a predetermined position. The film strip processing device of the application cooperates the pressing and cutting part and the film pulling part to pull out a plurality of film strips from the film releasing part and then cut the film strips, so as to obtain a plurality of film strip segments to be laid and lay the plurality of film strip segments to the predetermined position, thereby realizing the simultaneous laying of a plurality of film strips and improving the film laying efficiency.

The invention discloses a dual-mode fragrant-flowered garlic harvesting and bundling device. The device comprises a rack, and a grain lifting module, a conveying module, a control module, a bundling module, a wheel set advancing module and a harvesting module which are assembled on the rack; the grain lifting module is used for carding fragrant-flowered garlic; the wheel set advancing module is used for controlling movement and steering of the rack; the harvesting module is used for cutting leeks; the conveying module is used for connecting the harvesting module and the bundling module; the bundling module is used for bundling Chinese chives; the control module is assembled at the rear end of the bundling module and the left part of the rack; the wheel set advancing module enables the device to flexibly move and steer in different terrains and environments; the operability and the application range of the machine are greatly improved; through the grain lifting module, the conveying module and the bundling module, the machine can adapt to different Chinese chive growth states and harvesting requirements, and the stability and efficiency of Chinese chives in the conveying process are ensured; in addition, automatic tightening, bundling and cutting of the Chinese chives are achieved.

The invention relates to a roller type paper bag continuous feeding device for fruit bagging, which comprises a mounting block, a paper bag reel mounting block, a paper bag reel, a conveying assembly and a paper bag cutting assembly, one side of the mounting block is communicated with the paper bag reel mounting block, the paper bag reel is mounted in the paper bag reel mounting block, and a plurality of paper bags are wound on the paper bag reel; the conveying assembly and the paper bag cutting assembly are mounted in the mounting block, a paper bag outlet is formed in the mounting block, one side of the conveying assembly is provided with the paper bag outlet, and the other side is provided with the paper bag cutting assembly. Paper bags enter the conveying assembly from the side, provided with the paper bag cutting assembly, of the conveying assembly, and the paper bag conveying assembly sends out the paper bags from a paper bag outlet. Compared with the prior art, the fruit bagging machine has the advantages that continuous and automatic feeding in fruit bagging operation is achieved; an existing independent distributed feeding mode of single fruit bags is changed, the paper bags are sequentially connected end to end through the plastic sealing strips, the multiple paper bags are rolled into a barrel shape, feeding is conducted in cooperation with the feeding device, and the feeding device has the advantages of being simple and efficient in movement, high in stability and the like.

The present invention discloses a full-automatic buckle machine for file bags, belonging to the technical field of office supplies manufacturing equipment. This equipment includes a frame, a feeding device, a conveying device, a first buttoning device, a turning device, a second buttoning device and an electrical control system. The feeding device realizes the automatic single-piece separation and feeding of file bags through the cooperation of an inclined vibrating bin and a vacuum suction cup. The conveying device uses a chain conveyor belt in cooperation with a height-limiting strip to ensure the precise conveying of file bags between workstations. The first buttoning device integrates a bag-supporting mechanism and a buttoning mechanism, and automatically rivets a rope-blocking piece and a hollow rivet after forming a support inside the bag body. The turning device realizes the attitude conversion of the file bag through a servo-driven turning frame. The second buttoning device completes buttoning at the sealing part, synchronously rivets the wire rope and automatically cuts it by a tangent component. The present invention realizes the full-process automation of file bags from bag-body buttoning, sealing buttoning to wire feeding and cutting, without manual intervention.

The utility model discloses a DC high-power switching power supply which comprises a machine body, a circuit board is arranged at the bottom of an inner cavity of the machine body, a wire is arranged on the outer wall of the machine body in a penetrating mode, a null line of the wire is connected with a cathode wiring point of the circuit board, and a wiring block is welded to an anode wiring point of the circuit board. A sensor, a controller and an electric push rod are installed in an inner cavity of the machine body, the sensor is electrically connected with the controller, the controller is electrically connected with the electric push rod, the movable end of the electric push rod is connected with an ejector rod, the ejector rod is connected with a live wire of the wire, and one end of the ejector rod can make contact with the wiring block. The utility model relates to the technical field of switching power supplies, a DC high-power switching power supply realizes the circuit cutting between a lead and a circuit board through the detection of a sensor, the control signal transmission of a controller and the driving of an electric push rod, so that the DC high-power switching power supply realizes the circuit cutting under the condition that the temperature of a cooling fan cannot be controlled, and the service life of the DC high-power switching power supply is prolonged. And the DC high-power switching power supply is prevented from dangers during use.

This invention relates to a core barrel hammer system for improving core separation and extraction. Specifically, it uses a ring-shaped rotating body equipped with a digging hammer to form a core. By using a pair of grabs installed on the rotating body, the bottom of the core can be cut off and easily pulled out from the ground in a clamped state, thereby significantly improving work efficiency.

The present application relates to carbon fiber composite material automatic laying equipment technical field, especially in kind of carbon fiber laying equipment.Its structure includes fixed base plate, pressure regulating part fixedly installed on the right side of the upper end of fixed base plate, carbon fiber feeding disc arranged on the left side edge of fixed base plate, front feeding wheel installed on the surface of fixed base plate and arranged close to pressure regulating part, servo feeding mechanism with differential compensation function located behind front feeding wheel, laying and cutting total bearing located on the rear side of servo feeding mechanism.It solves the technical problems of split cutting, broken wire, low cutting precision and poor adaptability of existing equipment, and integrates the cutting seam cutting device, which integrates the shallow cutting seam structure and the full cutting structure in the same driving frame, with high equipment integration and compact layout, solving the problems of split arrangement, large space occupation and poor process connection of traditional cutting mechanism, greatly improving the continuity and stability of laying and cutting process.

The utility model relates to the technical field of production equipment, and provides a granulator with a discharging structure, which comprises a shell, a plurality of support rods I fixedly connected to the outer surface of the top of the shell, a hydraulic cylinder fixedly connected to the outer surfaces of the tops of the plurality of support rods I, a telescopic rod, a discharging mechanism and a discharging mechanism, the outer surface of the bottom of the telescopic rod is fixedly connected with a pressing block, the outer surface of the top of the pressing block is fixedly connected with two sliding rods, the outer surface of the shell is fixedly connected with two second supporting rods, the sides, away from the shell, of the two second supporting rods are fixedly connected with a supporting plate, and the top of the supporting plate is fixedly connected with a motor. And a rotating shaft I is arranged on the outer surface of the motor through an output shaft, so that only one device is needed to extrude, cut off and cool raw materials at the same time, the occupied area is reduced, the capital investment in the initial stage of factory building is reduced, meanwhile, excessive water resource waste is avoided, the production cost is reduced, and the working environment of staff is protected.

The utility model relates to the technical field of geomembrane processing, and provides an automatic geomembrane roll material feeding and cutting device which comprises a cutting assembly and a driving assembly. The cutting assembly comprises a first air cylinder and a second air cylinder, a first tool apron and a second tool apron are fixedly installed at the output end of the first air cylinder and the output end of the second air cylinder correspondingly, and a first cutter and a second cutter are fixedly installed on the opposite sides of the first tool apron and the second tool apron correspondingly. One side of the first tool apron and one side of the second tool apron are fixedly connected with a guide block; the geomembrane cutting device has the advantages that the tool nose at the longitudinal lower end of the first cutter can directly pierce a geomembrane to form an initial crevasse, and notch deformation caused by uneven jacking force distribution is reduced; the inclined blade face of the second cutter is matched, the two cutters are driven by the two-way lead screw to synchronously cut off from the middle to the two sides, notch deformation caused by uneven distribution of initial jacking force of the blades is avoided, double-cutter cutting is adopted, the cutting stroke is only half of that of a single cutter, and the cutting-off and resetting time is remarkably shortened.

The application relates to an end air supply module, an air conditioner and a data center. The end air supply module comprises a shell, an outer frame, a fan component and a baffle component. The shell has an independent cavity, a mounting port and a track for component operation, the track being formed on at least one opposite side of the shell. The outer frame is mounted on the outer side of the shell and is used for providing support for the shell. The baffle component is slidably assembled with the outer frame. In an initial state, the baffle component is located on both sides of the fan component, and part of the baffle component is rotationally connected with the fan component. In a fan damage state, the baffle component is configured to slide to the mounting port and cover the mounting port, and the fan component is configured to move along with the baffle component and be displaced from a position covering the mounting port to the independent cavity.

The invention relates to the technical field of wire harness stripping, in particular to a high-speed wire harness aluminum foil stripping method and system based on ultrasonic flaw detection, and the method comprises the steps: receiving a wire stripping instruction, and determining a to-be-stripped high-speed wire harness and a wire stripping machine based on the wire stripping instruction, an aluminum foil self-compensation sound velocity and an outer insulating layer self-compensation sound velocity are measured and calculated by using an ultrasonic speed measurement module, an aluminum foil sample and an outer insulating layer sample, and the synchronized ultrasonic distance measurement module is used for carrying out ultrasonic detection on the high-speed wire harness to be stripped to obtain the flight time of the outer insulating layer and the flight time of the aluminum foil layer; and calculating a first calculation frequency and a second calculation frequency by using the initial depth of the outer insulating layer, the initial depth of the aluminum foil layer and the end depth of the aluminum foil layer, setting a safety distance according to the section of the cut aluminum foil layer and the cutting head, controlling the wire stripping machine to remove the outer insulating layer and the aluminum foil layer after controlling the cutting head to return the safety distance, and realizing aluminum foil stripping of the high-speed wire harness. According to the invention, high-speed wire harness aluminum foil stripping based on ultrasonic flaw detection can be realized.

The present invention provides a wire harness cutting and stripping mechanism, comprising a cutting and stripping seat, wherein a sliding cutting block A and a cutting block B are provided on the cutting and stripping seat, and cutting blocks A and B are provided with relative cutting knives, and the cutting drive controls the sliding of cutting blocks A and B. The advantages of the present invention are: replacing manual wire cutting with an automated mechanism, saving labor costs; the cutting knife has high efficiency and can quickly cut the wire; the wire cutting surface is flat and the cutting quality is high; multiple cutting knives are provided, one for use and multiple for backup, and the cutting knives can be quickly replaced after being worn.

The utility model discloses an acrylic plate laminating device, which relates to the field of acrylic plate production and comprises a bottom plate, a turntable for driving an acrylic plate to rotate is mounted on one side of the end face of the bottom plate, a loop bar is fixed on the other side of the top end of the bottom plate, and a roll type protective film for supplying the protective film is sleeved on the outer wall of the loop bar. A moving plate slidably connected with the end face of the bottom plate is mounted between the roll-type protective film and the rotary disc, and a fusing part used for fusing the protective film is arranged at the end of the inner side of the moving plate. According to the acrylic plate laminating machine, the rotary table and the dust removal roller are arranged, the efficiency of laminating an acrylic plate is greatly improved in a rotary laminating mode, efficient dust removal can be carried out on the acrylic plate before laminating, and the laminating quality is improved.