182 results about "Paper pallet" patented technology

The utility model relates to the technical field of paper trays, in particular to a water storage and absorption type paper fiber tray which comprises a water absorption base of a rectangular frame structure, the water absorption base is used for bearing materials, and the water absorption base comprises a bottom plate, four first folding side plates, four folding corners and four waterproof films. The bottom plate is located among the four first folding side plates, and the folding corners are located between every two adjacent first folding side plates and the bottom plate. The bottom of the water absorption base is not provided with an opening, so that the water absorption base has good liquid storage capacity, when liquid is stored in the water absorption base, the water absorption layer can rapidly solidify a large amount of liquid into gel, the water absorption base is prevented from being soaked in the liquid for a long time, and the water absorption effect is improved. Therefore, the liquid can be solidified into gel, and the situation that the liquid leaks is prevented from occurring.

The invention belongs to the technical field of cable production, and relates to a production device and a production method of a paper-wrapped copper stranded wire. The production device comprises a wrapping device and a control system. A conveying mechanism and a wrapping variable frequency motor are arranged in the wrapping device, the conveying mechanism comprises a paper disc, a tension sensor, a damping motor, a rotating disc, an encoder and a servo motor, the damping motor is installed on a driving shaft of the paper disc, a paper tape is wound on the paper disc, and the paper tape is guided into the copper stranded wire after passing through the rotating disc; the encoder and the servo motor are mounted on the turntable; the tension sensor obtains the actual tension of the paper tape, and the encoder obtains the actual wrapping angle of the paper tape; a camera used for acquiring a wrapping position image is arranged at a paper tape wrapping head, and an actual wrapping result is obtained based on the image; and the control system compares the actual wrapping result with a preset wrapping result, and if the actual wrapping result does not meet the requirement of the preset wrapping result, a regulation and control strategy is started. The problem that wrapping process parameters cannot be adjusted in real time in an existing paper-wrapped copper stranded wire production process is solved.

A new energy automobile driving motor coil insulation paper inserting machine relates to the field of motors, and comprises a support box, the top surface of the support box is connected with a lower plate, an upper plate is arranged above the lower plate, a tool mounting plate is arranged above the upper plate, the top of the tool mounting plate is provided with a rotatable tool mounting table and a paper cutter capable of moving back and forth, and the paper cutter is arranged on the top of the tool mounting plate. A detachable iron core tool is arranged on the tool installation table, a supporting edge is arranged on the periphery of the bottom of the iron core tool, a plurality of paper passing grooves are annularly formed in the supporting edge, each paper passing groove corresponds to a core groove of an iron core, and a flaring block capable of moving left and right and ascending and descending is arranged above the tool installation plate. A paper winding disc and a paper sleeve pre-forming heating structure are arranged in the supporting box, a first-time forming structure is arranged on the top face of the lower plate, a paper feeding structure is arranged between the lower plate and the upper plate, a paper sleeve forming structure is arranged on the top face of the upper plate, and the paper sleeve forming structure is provided with a paper sleeve forming groove. According to the invention, automatic insertion of insulation paper sleeves in all core grooves of the iron core can be realized.

This invention discloses a method, apparatus, equipment, medium, and product for correcting the deviation of tipping paper in a cigarette manufacturing machine, relating to the field of cigarette manufacturing technology. The method includes: determining a first offset information detector for the tipping paper based on the machine's operating data; determining reference contour data for the tipping paper based on the machine's tipping paper baseline and dimensional information; and determining the tipping paper tray to be adjusted and its displacement data based on the offset threshold, the reference contour data, and the measured contour data of the tipping paper; and adjusting the position of the tipping paper tray based on its displacement data to reduce the offset of the tipping paper. This invention adjusts the position of the tipping paper tray based on its offset, thereby changing the paper output range of the tray and correcting the deviation of the tipping paper, thus ensuring cigarette production quality while reducing production costs.

The invention relates to the technical field of composite material winding, and particularly discloses a carbon fiber prepreg winding device which is characterized in that a first driving part can drive a feeding disc to rotate so as to enable the feeding disc to release carbon fiber prepreg with release paper, and a second driving part can drive a paper collecting disc to rotate so as to enable the paper collecting disc to release the release paper. The third driving part can drive the paper collecting disc to rotate so that the release paper can be stripped from the carbon fiber prepreg and collected by the paper collecting disc, the third driving part can drive the material collecting disc to rotate so that the carbon fiber prepreg with the stripped release paper can be wound around the material collecting disc, and the carbon fiber prepreg is in a strip shape. The first driving part, the second driving part and the third driving part are configured to cooperatively rotate in a controlled manner so as to sequentially and continuously execute winding actions of releasing a carbon fiber prepreg with release paper from the feeding disc, stripping the release paper from the prepreg and collecting the release paper by the paper collecting disc, and winding the stripped carbon fiber prepreg onto the material collecting disc; the automation degree and efficiency are improved, and the labor cost is reduced.

The utility model discloses a winding machine initial rolling paper pasting mechanism which comprises a support, an original table fixing shaft is fixedly connected to the upper end of the support, a fixing plate is fixedly connected to the surface of the support, a paper pasting disc is arranged on the outer side of the fixing plate, an auxiliary conveying roller is fixedly connected to the surface of the support, and the auxiliary conveying roller is located on one side of the fixing plate. An auxiliary feeding assembly and a paper pressing and cutting assembly are arranged on the surface of the support, the auxiliary feeding assembly and the paper pressing and cutting assembly are used in cooperation, and the whole action process of the paper pasting structure comprises the steps that a sticker is sucked in a vacuum mode, a transferring air cylinder stretches out, the sticker is prepared through a paper pulling part, and after a paper pasting signal is received, a paper pasting air cylinder presses downwards, breaks vacuum and ascends; the transferring air cylinder shrinks and retreats, the paper pasting air cylinder is pressed downwards, the vacuum suction device and the cutter air cylinder are reset after acting, the clamp air cylinder is opened, the air avoiding air cylinder stretches out to enable the clamp to exit the paper pasting range, the paper pasting air cylinder ascends, the transferring air cylinder stretches out to send the stickers to a to-be-pasted area, and when the paper pasting air cylinder ascends in place, the air avoiding air cylinder shrinks.

The utility model relates to a paper tray lifting combined structure which comprises a paper tray, a walking mechanism and a lifting mechanism, the paper tray is installed on the walking mechanism through the lifting mechanism, the lifting mechanism comprises a lifting rod, a sliding combined part and a base, the base is fixedly installed on the walking mechanism, and the sliding combined part is installed on the lifting rod. The lifting rod is installed on the base through a sliding assembly, and the lifting rod is vertically and movably arranged. The lifting mechanism is reasonable in structural design, a worm and gear lifting machine in the prior art is replaced by the lifting mechanism composed of the lifting rod, the sliding assembly and the base, the assembling precision and the lifting precision are effectively improved, the failure rate is reduced in the equipment running process, and printing equipment runs more smoothly.

The utility model provides a paper plate capable of separating grease, which comprises a paper plate structure, a first oil outlet groove is arranged in a paper plate body, a positioning groove is arranged on the outer wall of the paper plate body, a rotating plate is rotatably connected in the positioning groove, and a second oil outlet groove is arranged in the rotating plate. Through the arrangement of the rotating disc capable of rotating, the rotating disc can drive the second oil outlet groove to be aligned with the first oil outlet groove, and then grease in dishes placed in the paper disc body is discharged through the first oil outlet groove and the second oil outlet groove, so that the grease is prevented from being accumulated in the dishes; and meanwhile, the grease enters the collecting disc to be collected.

The utility model relates to double-station paper disc automatic dispensing equipment which comprises a bottom plate, an XZ moving module is fixedly connected to the bottom plate, a base plate is fixedly connected to a moving table of the XZ moving module, a dispensing device and a vacuum suction cup are fixedly connected to the base plate, positioning seats are fixedly connected to the two sides of the bottom plate, and the positioning seats are fixedly connected to the two sides of the bottom plate. Each positioning seat is provided with a plurality of turnover positioning assemblies, each turnover positioning assembly comprises a positioning rod and an elastic positioning block, each positioning seat is provided with a plurality of storage grooves, the positioning rods and the elastic positioning blocks are all located in the storage grooves, and the positioning rods are provided with insertion holes. The glue dispensing machine has the advantages that the turnover positioning assembly capable of being stored in a turnover mode is arranged, the glue dispensing machine adapts to positioning of paper discs with different diameters, and the glue dispensing machining precision is guaranteed; and the discharging, dispensing and discharging of the paper disc do not need to be stopped, so that the production efficiency is improved.

The utility model provides a coating testing device for a paper molding product. The coating testing device comprises an emulsion storage container, a spray head, a spraying container, a bracket, a paper disc adsorption mechanism and a rotation driving mechanism, the emulsion storage container is connected to the input end of the emulsion conveying pump through a pipeline, the output end of the emulsion conveying pump is connected with the spray head through a pipeline, the spraying container is arranged below the spray head, the rotatable paper disc adsorption mechanism is installed at the bottom of the spraying container, a rotating shaft of the paper disc adsorption mechanism penetrates through the spraying container, and the bottom end of the paper disc adsorption mechanism is connected with the rotation driving mechanism. The test device for the coating of the paper molding product is compact spraying equipment which is specially customized for experiment and process development. By means of the exquisite structure, cost effectiveness, easy operation, environment sustainability and improved production efficiency, an ideal test platform is provided for the coating process in the experiment stage.

An image forming apparatus includes: a tray; a delivery roller; a paper feeding roller; a guide member; a lifting / lowering mechanism; a first detector; and a controller. The controller executes paper feeding processing of feeding a sheet of paper delivered from the tray by rotating the paper feeding roller, executes, during the paper feeding processing, retry processing of resuming the paper feeding processing after stopping the paper feeding processing when the fed sheet of paper is not detected by the first detector, and executes, during the retry processing, lifting and lowering processing of lifting and lowering the tray within a predetermined range after stopping the paper feeding processing and before resuming the paper feeding processing. The predetermined range is a range in which an uppermost sheet of paper placed on the tray can abut on the guide member when the uppermost sheet of paper is delivered by the delivery roller.

The invention relates to the technical field of paper board product equipment, in particular to a cup bottom die cutting forming device. Comprising a mounting frame; the upper mold is fixedly mounted on the mounting frame; the lower die cutter is arranged below the upper die and is driven by a lifting driving device to move up and down; a blade of the lower die cutter comprises a plurality of linear blades arranged in the feeding direction, and the linear blades can divide a raw material paper tape into a plurality of S-shaped paper strips. The winding device can wind the paper strips into paper discs respectively; through the S-shaped arrangement of the cup bottoms, the utilization rate of the paper tape can be improved, more space can be utilized compared with a regular array, and the cost is reduced.

The utility model relates to a paper tray rack and a tipping paper supply device. The paper disc frame comprises a frame body and a paper guiding assembly, and a rotating shaft used for loading tipping paper discs is arranged on the frame body. The paper guide assembly comprises a plurality of paper guide rollers, the paper guide rollers are arranged on the frame body at intervals, the paper guide rollers are used for jointly cooperating to guide tipping paper output by the tipping paper disc out of the paper disc frame, at least one paper guide roller is provided with two limiting rings, and the two limiting rings are arranged at intervals in the axial direction of the paper guide rollers; a limiting groove used for containing tipping paper is formed between the two limiting rings. The paper plate frame can prevent tipping paper from shaking in the axial direction of the paper guide roller in the conveying process, so that the tipping paper output stability of the paper plate frame is improved, the defects that the tipping paper is different in length and the like are overcome, and the quality of cigarette finished products is guaranteed.

The invention relates to a wear-resisting property detection device for a harness wire, and relates to the technical field of wear-resisting property detection. Comprising a machine table, a paper shifting disc, a paper collecting disc, a friction assembly, a clamping mechanism, a tensioning assembly and the like. By arranging the friction assembly capable of adjusting pressure and the clamping mechanism capable of accurately controlling the tensioning degree of the to-be-detected piece, the stability and accuracy of the detection process are ensured. And by introducing a height adjusting assembly and a locking assembly, the adaptability and the operation convenience of the equipment are further improved. The harness wire wear resistance detection device achieves the technical effects of improving the harness wire wear resistance detection precision, enhancing the detection efficiency and ensuring the reliability of the detection result.

The present invention provides a device for dispensing single sheets of paper from a bundle, allowing users to easily obtain a single sheet of paper by operating a handle with one hand, without getting liquid or saliva on their fingers, and even for those with limited dexterity. The device can be installed horizontally or vertically on a wall to suit the installation location. [Solution] A device for dispensing a single sheet of paper, characterized in that a bundle of paper is placed on a paper tray, the top, bottom, left, and right sides of the paper are fixed, and a part of the top surface is further pressed down, and as the handle gear is operated, the meshing gears work in conjunction to rotate the attached rubber roller, and the closely fitted rubber roller and the paper exert frictional force on each other, causing a part of the paper on the top surface to float up, and a single sheet of paper is ejected and made available, and a method for using this device for dispensing a single sheet of paper.

The invention discloses automatic paper tray forming equipment and a forming method, relates to the technical field of paper product forming equipment, and solves the problems that existing paper tray production equipment is low in automation degree and the like. The equipment comprises a first gluing device, a forming mold, a second gluing device and an edge folding device which are sequentially arranged in the conveying direction, and the first gluing device, the forming mold, the second gluing device and the edge folding device work cooperatively with a conveying device arranged in a penetrating mode. The first gluing device is used for gluing four corners of the paperboard at fixed points at intervals; the forming die is used for punch forming, and the glue points are positioned to the connecting area; the second gluing device is used for continuously gluing the edge of the formed paper disc; and the edge folding device is used for folding and folding the edge and pressing the edge into a hollow reinforcing edge. Full-automatic continuous production from paperboards to finished products is achieved, the novel paper tray with the external connecting area and the hollow reinforced edge is specially designed, through reasonable procedure layout, the production efficiency is improved, meanwhile, the forming quality and the structural strength are ensured, and efficient, high-precision and high-stability automatic production is achieved.

The utility model discloses a bobbin paper guiding device and system, and relates to the technical field of tobacco machinery, the bobbin paper guiding device comprises a paper disc contact rod and a clamping adjusting assembly, the clamping adjusting assembly is used for clamping bobbin paper together with the paper disc contact rod, and the clamping adjusting assembly comprises a clamping rod and an electric cylinder; the clamping rod can move relative to the paper disc contact rod, and the movement direction comprises a first direction close to the paper disc contact rod and a second direction away from the paper disc contact rod; the electric cylinder is connected with the clamping rod, the electric cylinder is used for driving the clamping rod to move in the first direction or the second direction, and the clamping force of the clamping rod and the paper disc contact rod for clamping the bobbin paper is adjusted through the electric cylinder. According to the bobbin paper guiding device, movement of the clamping rod is accurately controlled through the electric cylinder, accurate adjustment of bobbin paper clamping force is achieved, paper tape damage or falling caused by improper clamping force is effectively avoided, and stability and reliability of paper guiding are improved.

A laser drilling device for clothing cloth pieces comprises a workbench, a drilling device, a fixing device, a packing paper conveying device and a controller, and the drilling device comprises a first sliding base, a second sliding base, a third sliding base, a laser drilling element, a first hydraulic air cylinder, a second hydraulic air cylinder and a third hydraulic air cylinder. The fixing device comprises a first fixing base and a second fixing base, the first fixing base is provided with a first limiting groove and a material passing groove, the first limiting groove is provided with a first fixing groove, the second fixing base is provided with a second fixing groove, and the material passing groove is provided with a material passing groove. The packing paper conveying device comprises a first paper rolling disc, a first rotating motor, a second paper rolling disc and a second rotating motor, and the controller is electrically connected with the first hydraulic air cylinder, the second hydraulic air cylinder, the third hydraulic air cylinder, the first rotating motor, the second rotating motor and the laser drilling element.

The utility model provides a visual alignment carrier tape paper disc assembling machine, and belongs to the technical field of carrier tape paper disc assembling. Comprising a paper disc feeding machine A, a core shaft mounting machine arranged on one side of the paper disc feeding machine A, a first dispensing mechanism A arranged on the core shaft mounting machine, a paper disc mounting machine B arranged on one side of the core shaft mounting machine, a second dispensing mechanism B arranged on the paper disc mounting machine B, a material receiving machine arranged on one side of the paper disc mounting machine B and a tool belt line arranged on one side of the material receiving machine. The tool belt line is connected with the paper disc feeding machine A and the mandrel installing machine and the paper disc installing machine B. Through the combined action of the paper disc feeding machine A, the core shaft mounting machine, the first dispensing mechanism A, the second dispensing mechanism B, the tool belt line and the material receiving machine, the tape paper discs are mechanically and automatically assembled, manpower can be reduced, the production efficiency is improved, the productivity is improved, and the manufacturing cost is reduced.

An assembly of a stamping device for adhesive labels, comprising: a device body, the lower edges of two ends of which are each provided with an approximately semicircular recess, wherein an upper cover is arranged on the upper side of the device body; a mounting seat disposed in the device body and provided with a pressing portion, wherein a locking recess is provided at two ends of the pressing portion into which a rack is inserted, wherein two sides of the mounting seat are each provided with a positioning recess portion; a mobile base which is fitted onto the pressing portion of the fastening seat and is approximately frame-shaped and whose two sides are each provided with a wall portion extending outwardly in a suitable width, wherein two ends of each wall portion are each provided with a groove; two elastic elements arranged on the corresponding wall portions of the mobile base and each having a substantially continuous, curved shape and whose ends are fixed to the corresponding wall portions of the mobile base, wherein the positioning of the grooves located at the ends of the wall portions causes the upper ends of the elastic elements to abut the corresponding positioning recess portions of the fixing seat; a paper tray inserted into the mobile base and movable up and down along the mobile base, the two ends of the inner edge of which are each provided with a toothed portion, the toothed portions being engageable with the corresponding racks of the mounting seat, and the lower inner edges on two sides of the paper tray being provided with a plurality of horizontally inwardly extending limiting portions; Adhesive labels which are accommodated as a stack in the paper compartment and each comprise a note layer on the top and an adhesive dot layer on the bottom, wherein the adhesive dot layer is provided with a plurality of evenly distributed adhesive dots, wherein the mobile base is moved upwards by pressing the device body so that the paper compartment protrudes from the lower end of the mobile base in order to apply the lowermost adhesive label to an object to be adhered, wherein the already applied adhesive label is separated from the other adhesive labels by the limiting sections, whereby the application of an adhesive label proceeds like stamping.

The utility model relates to the technical field of printers, and discloses a printing device and a printing system, comprising a printer body and a paper tray. Wherein the printer body is provided with a paper discharge port, and the printer body is further provided with a paper supporting groove corresponding to the paper discharge port; the paper supporting disc is detachably installed in the paper supporting groove, and the top face, close to the paper discharging opening, of the paper supporting disc is a paper supporting face. The distance between the paper supporting face and the paper discharging opening in the vertical direction is gradually reduced in the direction from the position close to the paper discharging opening to the position away from the paper discharging opening, and the paper supporting face is arranged to be arc. By arranging the paper tray with a certain thickness, when paper is discharged from the paper discharge port, the contact angle between one side, far away from the paper discharge port, of the paper and the paper supporting surface is reduced, the impact force between the paper and the paper supporting surface is further reduced, the probability of paper jam during paper discharge of the printer is reduced, and the contact angle is smaller, so that the paper discharge efficiency is improved. And the side edges of the paper can be prevented from being folded or abraded due to collision between the paper and the paper supporting surface.

To prevent incorrect setting of paper size based on capability information transmitted from a virtual printer to an OS.SOLUTION: A printer application 170 is configured to execute a step S120 to acquire tray information, paper status information, and tray paper setting information related to a paper tray provided in a printer 200 and a printing paper stored in the paper tray; a step 205; a step S 220; steps S140 and S150 to generate attributes suited to a paper feed environment of the printer 200 according to the tray information, the paper status information, and the tray paper setting information; and a step S160 to output the generated attribute to a CUPS 160.SELECTED DRAWING: Figure 8

The utility model discloses a corrugated board and a paper pallet. A paper pallet comprises a plurality of transverse supporting frames, a plurality of longitudinal supporting frames and a bearing plate. The transverse supporting frame comprises a plurality of transverse foot columns, transverse beams and transverse reinforcing walls. The transverse reinforcing wall extends out of the lower edge of the side wall of the transverse beam and wraps the bottom face and the other side wall of the transverse beam. The longitudinal supporting frame comprises a plurality of longitudinal foot columns, longitudinal beams and longitudinal reinforcing walls. The longitudinal reinforcing wall extends out of the lower edge of the side wall of the longitudinal beam and wraps the bottom face and the other side wall of the longitudinal beam. The longitudinal connecting grooves of the longitudinal supporting frames are clamped on the transverse connecting grooves of the transverse supporting frames, and the longitudinal foot columns and the transverse foot columns comprise tenons which can be combined with mortises of the bearing plate. Corrugated boards forming the paper pallet are also disclosed, the corrugated boards can be assembled into the paper pallet in a simpler mode, and the paper pallet has better bearing capacity.

The utility model discloses a packing machine whole roll paper disc feeding device which comprises a material storage barrel, a supporting frame, a jacking mechanism and a pushing feeding mechanism, the jacking mechanism is installed on the material storage barrel, the supporting frame is fixed to one side of the material storage barrel, the pushing feeding mechanism is installed on the supporting frame, and the pushing feeding mechanism is fixed to the other side of the material storage barrel. The pushing feeding mechanism comprises a second motor, a rotating disc, a swing rod, a first pin shaft, a push rod, a second pin shaft, a pushing plate and a limiting plate, the second motor is fixed to the supporting frame, the rotating disc is fixed to an output shaft of the second motor, the swing rod is arranged on the rotating disc, and one end of the swing rod is rotationally connected with the rotating disc through the first pin shaft; the other end of the swing rod is rotationally connected with a push rod through a second pin shaft, the push rod penetrates through a limiting plate and is slidably connected with the limiting plate, the limiting plate is fixed to the supporting frame, and a material pushing plate is fixed to the front end of the push rod. According to the automatic feeding device, the whole roll of paper disc is automatically fed, manual operation is reduced, and the working efficiency is higher.

A layered paper meal box comprises a paper bowl and a paper plate. The paper bowl includes a surrounding wall having an inner surface, and a flange portion surrounding a top edge of the surrounding wall. And the flange part is provided with a top ring surface. The paper plate comprises a base wall, a surrounding wall extending upwards from the outer periphery of the base wall, and an extending wall connected with the top edge of the surrounding wall. The surrounding wall is provided with a plurality of bottom ends connected to the base wall, a plurality of top ends opposite to the bottom ends and a plurality of abutting edges defined between the bottom ends and the top ends respectively. The top end can abut against the inner edge of the flange part, and the abutting edge makes contact with the inner surface. Through the structural design that the abutting edge and the inner surface make contact with each other and are in close fit, the paper plate is prevented from sliding or rotating on the inner surface of the paper bowl, and the structural stability is high.

The present application discloses a method and device for controlling the remaining amount of a paper roll tail frame for a winder and splicer. By outputting a high-level signal to a first relay, the winder and splicer can be switched from a paper tray acceleration state to a paper tray tail frame consumption reduction state to delay the splicing rate of the winder and splicer; and by counting and processing a clock pulse signal, the winder and splicer can be switched from a paper tray tail frame consumption reduction state to a paper tray acceleration state to resume the splicing process of the paper roll, thereby effectively controlling the remaining amount of the paper roll in the paper tray tail frame and reducing the cost of equipment modification, thereby meeting the production needs of the factory.

The utility model relates to a supporting mechanism for drying paper trays, which aims to solve the technical problem that the drying effect is affected due to the fact that the coverage area of a paper tray blank horizontally placed in a tray is large at present, and comprises a base, a vertical plate, a bottom supporting structure and a side end supporting structure, the bottom end of the vertical plate is fixedly connected with the base; the bottom supporting structure is arranged at the front end of the bottom of the vertical plate; the bottom supporting structure comprises an L-shaped block A, and the L-shaped block A is arranged at the front end of the bottom of the vertical plate; the side end supporting structure is arranged on the vertical plate; the side end supporting structure comprises L-shaped blocks B, and the two L-shaped blocks B are symmetrically arranged on the two sides of the vertical plate; the two L-shaped blocks B and the two L-shaped blocks A form a triangular supporting area. The paper disc blank clamping and positioning device has the advantages that paper disc blanks to be dried are vertically clamped and positioned, the coverage area is reduced, and drying is not affected.

The application discloses a paper feeding mechanism and printing equipment. The paper feeding mechanism comprises a main body, a paper feeding assembly and a limiting assembly. The paper feeding assembly comprises a paper feeding disc and a paper lifting disc. The paper feeding disc is rotationally connected with the main body to form a paper storage cavity. The paper lifting disc can rotate away from the paper feeding disc and drive a guide rod to move away from the paper feeding disc. The limiting assembly comprises a limiting piece and a driving assembly. The limiting piece is used for abutting against the guide rod to block the rotation of the paper lifting disc away from the paper feeding disc. When the paper feeding disc rotates away from the main body, the guide rod is separated from the limiting piece and moves to one side of the limiting piece away from the paper feeding disc. The driving assembly can drive the limiting piece to rotate to one side of the guide rod away from the paper feeding disc and make the limiting piece abut against the guide rod. The driving assembly can also drive the limiting piece to drive the guide rod to move towards the paper feeding disc to drive the paper lifting disc to rotate towards the paper feeding disc. The application realizes the automatic reset of the paper lifting disc and improves the reliability and stability of the paper feeding mechanism.