Paper feeding device for automatic printing of books
Technical Field
The utility model belongs to the technical field of the printing machine, concretely relates to adsorption paper feeding device for automatic printing of books.
Background
Modern printing presses generally consist of mechanisms for plate-setting, inking, stamping, paper transport, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto the paper so as to copy the printed matter identical to that of the printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.
At present, the work of the printing machine still needs manual paper loading, certain labor cost is consumed, the paper feeding efficiency cannot be guaranteed, certain paper feeding frequency cannot be formed, and the printing work efficiency is greatly influenced.
SUMMERY OF THE UTILITY MODEL
At present, the work of the printing machine still needs manual paper loading, certain labor cost is consumed, the paper feeding efficiency cannot be guaranteed, certain paper feeding frequency cannot be formed, and the printing work efficiency is greatly influenced. The utility model provides a adsorption paper feeding device for automatic printing of books, conveyer can carry the paper that piles up in storing the frame to perpendicular carriage in, send the below to the tongs under the perpendicular transport of perpendicular carriage, make the tongs snatch under mechanical tongs PPU's the drive and remove the paper and realize automatic continuous material loading of form advancing.
The utility model provides a following technical scheme: a paper feeding device for automatic printing of books comprises a conveyor, a storage frame, a vertical conveying frame, a mechanical gripper PPU and a gripper, wherein the conveyor is arranged below the storage frame, the storage frame is fixedly arranged on the front side of the vertical conveying frame, and the mechanical gripper PPU is arranged on one side of the vertical conveying frame;
the vertical conveying frame comprises an outer frame body, two motors are fixedly mounted on the rear end face of the outer frame body, the motor is connected with two sets of chain transmission mechanisms in a driving mode, one end of a pin shaft of a chain in each chain transmission mechanism is fixedly connected with a lifting supporting plate, a photoelectric sensor transmitting end and a photoelectric sensor receiving end are respectively and fixedly mounted on the upper sides of the front end face and the rear end face of the outer frame body, a paper feeding groove is formed in the bottom of the front end face of the outer frame body, a paper discharging groove is formed in the top of the rear end face of the outer frame body, the storage frame comprises side plates, the front end face of the rear end fixedly connected with the outer frame body of each side plate is connected with one end of a bin door through a hinge, and the bottom fixedly connected with a bottom plate of each side plate.
The number of the side plates is two, the side plates are oppositely and fixedly installed on the front end face of the outer frame body from left to right, one side plate is rotatably connected with one end of the bin door through a hinge, the upper end face and the lower end face of the side plate and the bin door are parallel and level, and the vertical distance between the bottom ends of the side plate and the bin door and the top face of the conveyor is not more than 2 mm; the paper to be printed can be conveniently placed and stacked on the conveyor on the inner side of the storage rack and conveyed into the vertical conveying rack along with the operation of the conveyor.
One end of the conveyor penetrates through the paper feeding groove and is positioned on the inner side of the outer frame body, and the vertical distance between the top end of the paper feeding groove and the top surface of the conveyor is not more than 5 mm; when the conveyor operates, the paper stacked at the bottom of the storage rack can be transported to the lifting supporting plate by a small amount for subsequent conveying.
The lifting support plates are arranged on the chain of the chain transmission mechanism at equal intervals in an equal sequence, the driving chain wheels and the driven chain wheels in the chain transmission mechanism are arranged up and down, and the two groups of chain transmission mechanisms are adjacently arranged on the inner side of the outer frame body from left to right; but motor intermittent type nature start carries the paper that is carried to on two sets of left and right sides adjacent lifting support boards upwards to fixed point height through chain drive, the snatching of the mechanical tongs PPU of being convenient for.
The lifting supporting plate comprises a transverse plate and a vertical plate, and an included angle between the vertical plate and the transverse plate is 90 degrees; the vertical plate has a limiting effect and prevents paper from sliding down on the transverse plate.
The photoelectric sensor transmitting end and the photoelectric sensor receiving end are obliquely arranged on the front end face and the rear end face of the outer frame body, and the axes of the photoelectric sensor transmitting end and the photoelectric sensor receiving end are collinear; the photoelectric sensor transmitting end and the photoelectric sensor receiving end can detect whether the mechanical gripper PPU completely grips the paper conveyed in the horizontal state at the highest point.
The photoelectric sensor transmitting end and the photoelectric sensor receiving end are electrically connected with a power switch of the motor through a time relay; the time relay can avoid the false alarm caused by the blocking of the light beam at the transmitting end of the photoelectric sensor by the gripper of the mechanical gripper PPU.
The mechanical gripper is characterized in that the gripper is a vacuum chuck and is fixedly arranged at the bottom end of the mechanical gripper PPU; the gripper can absorb the paper conveyed by the vertical conveying frame and convey the paper to the other side of the vertical conveying frame to realize automatic paper feeding.
The utility model has the advantages that: the paper to be printed can be conveniently placed and stacked on the conveyor on the inner side of the storage rack and conveyed into the vertical conveying rack along with the operation of the conveyor; when the conveyor runs, a small amount of paper stacked at the bottom of the storage rack can be conveyed to the lifting supporting plate for subsequent conveying; the motor can be intermittently started, and paper conveyed to two groups of left and right adjacent lifting supporting plates is conveyed upwards to a fixed point height through the chain transmission mechanism, so that the mechanical gripper PPU can be conveniently grabbed; the vertical plate has a limiting effect and prevents paper from sliding off the transverse plate; the photoelectric sensor transmitting end and the photoelectric sensor receiving end can detect whether the mechanical gripper PPU finishes gripping the paper conveyed in the horizontal state at the highest point; the time relay can avoid false alarm caused by the fact that light beams at the transmitting end of the photoelectric sensor are blocked by the hand grip of the mechanical hand grip PPU; the gripper can absorb the paper conveyed by the vertical conveying frame and convey the paper to the other side of the vertical conveying frame to realize automatic paper feeding.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a side cross-sectional view of the conveyor, storage rack, and vertical transport rack of the present invention;
FIG. 5 is a front cross-sectional view of the vertical carrier of the present invention;
FIG. 6 is a front view of the lifting pallet of the present invention;
in the figure: 1. a conveyor; 2. a storage rack; 201. a side plate; 202. a bin gate; 203. a base plate; 3. a vertical conveying frame; 301. an outer frame body; 302. a motor; 303. a chain transmission mechanism; 304. lifting the supporting plate; 3041. a transverse plate; 3042. a vertical plate; 305. a photoelectric sensor receiving end; 306. a photoelectric sensor emitting end; 307. a paper feeding groove; 308. a paper outlet groove; 4. a mechanical gripper PPU; 5. and (4) a hand grip.
Detailed Description
Referring to fig. 1-6, the present invention provides the following technical solutions: a paper feeding device for automatic book printing comprises a conveyor 1, a storage rack 2, a vertical conveying rack 3, a mechanical gripper PPU4 and a gripper 5, wherein the conveyor 1 is arranged below the storage rack 2, the storage rack 2 is fixedly arranged on the front side of the vertical conveying rack 3, and the mechanical gripper PPU4 is arranged on one side of the vertical conveying rack 3;
vertical feed frame 3 includes outer support body 301, the rear end face fixed mounting of outer support body 301 has two motors 302, the motor 302 drive is connected with two sets of chain drive 303, the one end fixedly connected with lifting support plate 304 of the round pin axle of chain among the chain drive 303, the upside of terminal surface is fixed mounting respectively has photoelectric sensor transmitting end 306 and photoelectric sensor receiving terminal 305 around outer support body 301, paper feeding groove 307 has been seted up to the bottom of terminal surface before outer support body 301, paper discharging groove 308 has been seted up at the top of outer support body 301 rear end face, storage frame 2 includes curb plate 201, the preceding terminal surface of the outer support body 301 of rear end fixed connection of curb plate 201, curb plate 201 passes through the one end that the hinge rotates connection door 202, the bottom fixedly connected with bottom plate 203 of curb plate 201.
The number of the side plates 201 is two, the side plates are oppositely and fixedly installed on the front end face of the outer frame body 301 from left to right, one side plate 201 is rotatably connected with one end of the bin door 202 through a hinge, the upper end face and the lower end face of the side plate 201 and the bin door 202 are parallel and level, and the vertical distance between the bottom ends of the side plate 201 and the bin door 202 and the top face of the conveyor 1 is not more than 2 mm; the paper to be printed can be conveniently placed on the conveyor 1 stacked inside the storage rack 2 and conveyed into the vertical conveying rack 3 along with the operation of the conveyor 1.
One end of the conveyor 1 penetrates through a paper feeding groove 307 and is positioned on the inner side of the outer frame body 301, and the vertical distance between the top end of the paper feeding groove 307 and the top surface of the conveyor 1 is not more than 5 mm; the conveyor 1 is operated to allow the sheets stacked on the bottom of the storage shelf 2 to be transported a small amount onto the lifting pallet 304 for subsequent conveyance.
The number of the lifting supporting plates 304 is multiple, the lifting supporting plates are arranged on a chain of the chain transmission mechanism 303 at equal intervals in an equal sequence, a driving chain wheel and a driven chain wheel in the chain transmission mechanism 303 are arranged up and down, and two groups of chain transmission mechanisms 303 are adjacently arranged on the inner side of the outer frame body 301 from left to right; the motor 302 can be intermittently started, and the paper conveyed to two groups of left and right adjacent lifting supporting plates 304 is conveyed upwards to a fixed point height through the chain transmission mechanism 303, so that the mechanical hand PPU4 can be conveniently grabbed.
The lifting supporting plate 304 comprises a transverse plate 3041 and a vertical plate 3042, and an included angle between the vertical plate 3042 and the transverse plate 3041 is 90 degrees; the vertical plate 3042 functions as a stopper to prevent paper from slipping off the horizontal plate 3041.
The photoelectric sensor transmitting end 306 and the photoelectric sensor receiving end 305 are obliquely arranged on the front end surface and the rear end surface of the outer frame body 301, and the axes of the photoelectric sensor transmitting end 306 and the photoelectric sensor receiving end 305 are collinear; the photoelectric sensor emitting end 306 and the photoelectric sensor receiving end 305 can detect whether the mechanical gripper PPU4 has completely gripped the paper sheet conveyed in the horizontal state at the highest point.
The photoelectric sensor transmitting end 306 and the photoelectric sensor receiving end 305 are electrically connected with a power switch of the motor 302 through a time relay; the time relay avoids false alarms due to the beam from the emitter 306 of the photosensor being blocked by the grip of the mechanical grip PPU 4.
The hand grip 5 is a vacuum chuck, and the hand grip 5 is fixedly arranged at the bottom end of the mechanical hand grip PPU 4; the gripper 5 can absorb the paper conveyed by the vertical conveying frame 3 and convey the paper to the other side of the vertical conveying frame 3 to realize automatic paper feeding.
The utility model discloses a theory of operation and use flow: the bin door 202 is opened by rotating, paper to be printed is stacked on the conveyor 1 on the inner side of the side plate 201 in order, then the bin door 202 is closed by rotating, and the bin door 202 and the side plate 201 are locked by using a lockset; then, the operator starts the device, after the conveyor 1 runs, the paper stored at the bottom of the paper pile in the storage rack 2 is conveyed to the two lifting support plates 304 positioned at the rear lower part of the conveyor 1 through the paper feeding groove 307, and the single conveying amount of the paper is related to the conveying speed and the single starting time of the conveyor 1; after the conveyor 1 is paused, the motor 302 is started to move the paper upwards to one side of the paper outlet slot 308 under the conveying of the chain transmission mechanism 303 and the lifting supporting plate 304, at this time, the light beam at the emitting end 306 of the photoelectric sensor is blocked by the paper, then the mechanical gripper PPU4 operates, and the gripper 5 grips a single piece of paper, so that automatic feeding is realized; when all the paper on the lifting pallet 304 on the side of the paper outlet slot 308 is grabbed by the mechanical grabber PPU4, the conveyor 1 is started again to convey the paper to the vertical conveying frame 3, and the automatic paper feeding is realized by such reciprocating.