CN112520477A

CN112520477A - Paper collecting mechanism of printing machine

Info

Publication number: CN112520477A
Application number: CN202011313969.6A
Authority: CN
Inventors: 杨炳海; 张祖江; 熊则宝; 李园杰; 许韶华
Original assignee: Henan Tongyu Printing Co ltd
Current assignee: Henan Yurong Packaging New Materials Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-03-19
Anticipated expiration: 2040-11-21
Also published as: CN112520477B

Abstract

The invention relates to a paper delivery mechanism of a printing machine, which comprises a paper delivery part, a bearing part and a driving part, wherein the paper delivery part comprises a frame body and a roll-over stand, the bearing part comprises a bracket and a telescopic frame, the driving part comprises an air cylinder, a push plate and a driving plate, the driving plate of the driving part can guide a rotating frame of the paper collecting part, a left overturning plate and a right overturning plate of the overturning frame rotate oppositely when the driving part acts, so that the overturned left overturning plate and the overturned right overturning plate form a platform to intercept falling of paper, a paper stack below the platform can be completely pushed and moved rightwards by the push plate, the space at the lower part of the paper collecting part is emptied, a new paper stack is put down when the left overturning plate and the right overturning plate return to a vertical state without stopping, the overturning frame enables the upper part of the paper collecting part to continuously collect paper, the driving part at the lower part of the paper collecting part can intermittently push out the collected paper stack, and the bearing part enables the paper stack to slide leftwards and rightwards and conveniently to be transferred by a forklift.

Description

Paper collecting mechanism of printing machine

Technical Field

The invention relates to the technical field of printing machines, in particular to a paper delivery mechanism of a printing machine.

Background

The modern printing machine is composed of the mechanisms of plate-loading, inking, stamping and paper-feeding (including folding), and its working principle is that the characters and images to be printed are made into printing plate, then the printing plate is loaded on the printing machine, then the ink is coated on the place with characters and images on the printing plate by manual or printing machine, then the printing plate is directly or indirectly transferred onto paper or other printing material (such as textile, metal plate, plastic, leather, wood plate, glass or ceramic) so as to copy the printed matter identical to the printing plate.

The delivery mechanism of the existing printer (such as Heidelberg full-automatic printer or automatic stamping press) mainly adopts an intermittent delivery mechanism, namely: the paper receiving mechanism stops when the paper pile has a certain height after receiving paper, the paper receiving mechanism is reset after the paper pile collected by the paper receiving mechanism is taken down by a forklift, and then the machine is restarted for production, so that the production progress is delayed, the printing machine needs to be operated frequently, and manpower is wasted.

Disclosure of Invention

The invention provides a paper delivery mechanism of a printing machine, aiming at solving the problems that the printing machine cannot continuously deliver paper, production progress is delayed and manpower is wasted, and aiming at improving the paper delivery mechanism to ensure that paper delivery can be continuously carried out without influencing the transfer of a forklift to a paper pile.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a paper receiving mechanism of a printing machine comprises a paper receiving part, a bearing part and a driving part;

the paper collecting part comprises a frame body and a roll-over stand, the frame body comprises a bottom plate, a front vertical plate and a rear vertical plate, the bottom plate is a rectangular plate body, a plurality of strip-shaped through holes penetrating through the upper surface and the lower surface of the bottom plate are arranged on the bottom plate at intervals along the width direction of the bottom plate, the front vertical plate and the rear vertical plate are respectively arranged at the front end and the rear end of the upper surface of the bottom plate, the front vertical plate and the rear vertical plate are parallel and opposite, the left parts and the right parts of the upper ends of the opposite surfaces of the front vertical plate and the rear vertical plate are connected through connecting rods, a guide plate is arranged at the right part of the opposite surface of the front vertical plate and the rear vertical plate, the guide plate comprises an arc-shaped plate and a vertical plate, the arc-shaped plate is an arc-shaped plate body bowed upwards to the right, the upper end of the arc-shaped plate is positioned between the left parts and the connecting rods of the front vertical plate, the front and rear ends of the arc plate and the vertical plate are respectively connected with the opposite surfaces of the front vertical plate and the rear vertical plate, the left and right ends of the opposite surfaces of the front vertical plate and the rear vertical plate are respectively provided with a roll-over stand lower than the lower end of the vertical plate, the roll-over stand comprises a left roll-over stand and a right roll-over stand, the left roll-over stand comprises a left rotary shaft, a left roll-over plate and a left regulating wheel, the left rotary shaft is movably connected between the left ends of the opposite surfaces of the front vertical plate and the rear vertical plate, the side wall of the left rotary shaft is connected with the left roll-over plate arranged between the front vertical plate and the rear vertical plate, the left roll-over plate is a vertical plate body, the lower end of the left roll-over plate is spaced from the upper surface of the bottom plate of the frame body, the left roll-over plate is provided with a plurality of first through grooves in the vertical direction at intervals along the width direction of the left roll-over plate, the first through grooves downwards penetrate, the front end and the rear end of the left rotating shaft are respectively provided with a left adjusting wheel positioned in front of the front vertical plate and behind the rear vertical plate, the lower part of the outer surface of the left adjusting wheel is provided with a left adjusting rod, the left adjusting rod is a rod body vertical to the outer surface of the left adjusting wheel, the right turning frame comprises a right rotating shaft, a right turning plate and a right adjusting wheel, the right rotating shaft is movably connected between the right ends of the opposite surfaces of the front vertical plate and the rear vertical plate, the side wall of the right rotating shaft is connected with the right turning plate arranged between the front vertical plate and the rear vertical plate, the right turning plate is a vertical plate body, a space is arranged between the lower end of the right turning plate and the upper surface of the bottom plate of the frame body, a plurality of second through grooves which are vertically upwards are arranged at intervals along the width direction of the right turning plate are arranged on the right turning plate, the second through grooves downwards penetrate through the bottom surface of, the front end and the rear end of the right rotating shaft are respectively provided with a right adjusting wheel positioned in front of the front vertical plate and behind the rear vertical plate, the upper part of the outer surface of the right adjusting wheel is provided with a right adjusting rod, and the right adjusting rod is a rod body vertical to the outer surface of the right adjusting wheel;

the bearing part comprises a bracket, a tray and a telescopic frame, wherein the bracket is a rectangular plate body provided with supporting legs on the bottom surface, a plurality of third through grooves penetrating through the upper surface and the lower surface of the bracket are arranged on the top surface of the bracket at intervals along the width direction of the bracket, each third through groove left end is close to the left end of the bracket, the right end of each third through groove is close to the right end of the bracket, each third through groove corresponds to the through hole of the bottom plate of the bracket body from top to bottom, eyelet balls are uniformly distributed on the top surface of the bracket outside the third through groove, the lower ends of the left end of the bracket respectively penetrate through the right turnover plate and the left turnover plate are positioned on the left side of the paper collecting part, the right end of the bracket is positioned on the right side of the paper collecting part, the bracket is positioned above the bottom plate of the bracket body, the telescopic frame comprises a lifter and a bearing structure, the lifter is positioned under the bracket body, the top end of the lifter is connected with the, The first vertical plates correspond to the third through grooves and the through holes in the frame body one by one up and down, the height of each first vertical plate is less than or equal to the distance between the upper end of the turnover frame and the bottom surface of the frame body, and a tray is arranged on the right side of the bracket;

the paper collecting device is characterized in that the driving part comprises an air cylinder, a push plate and a driving plate, the air cylinder is positioned on the outer side of the left end of a bracket on the left side of the paper collecting part, an electromagnetic reversing valve is connected to an air inlet pipe of the air cylinder, the output end of the air cylinder faces to the right, the output end of the air cylinder is connected with the push plate positioned between the lower ends of a right turnover plate and the bracket, the push plate is a vertical plate body, a plurality of rectangular and vertical second vertical plates are arranged on the right side surface of the push plate at intervals along the width direction of the push plate, each second vertical plate is in a staggered state with a first vertical plate, the upper end of the push plate is connected with a push rod, the push rod is a vertical rod body, the lower end of the push rod is connected with the upper end of the push plate, the upper end of the push plate is connected with the driving plate, the driving plate is a 'Contraband' shaped plate body with a right opening, the middle, the driving plate is provided with a guide hole which penetrates through the driving plate from front to back, the guide hole comprises a left guide hole and a right guide hole, the left guide hole and the right guide hole both penetrate through the front surface and the back surface of the driving plate from front to back, the left guide hole comprises a horizontal first strip-shaped through hole and a first arc-shaped through hole communicated with the right end of the first strip-shaped through hole, the first strip-shaped through hole and the central axes of the left regulating wheel and the right regulating wheel are positioned on the same plane, the arc of the first arc-shaped through hole is arched upwards rightwards and the right end is downward, the right end of the first arc-shaped through hole is sleeved outside the left regulating rod, the right guide hole comprises a horizontal second strip-shaped through hole and a second arc-shaped through hole communicated with the right end of the second strip-shaped through hole, the second strip-shaped through hole and the central axes of the left regulating wheel and the right regulating, the right end of the second arc-shaped through hole is sleeved outside the right adjusting rod.

Further, the tray is the plate body that has the supporting leg, and the tray is located the bracket right side, and tray left end and bracket right-hand member contact, tray upper surface and bracket upper surface parallel and level, tray upper surface are provided with a plurality of unpowered cylinders, the outer common cover of unpowered cylinder is equipped with the belt, the upper surface of belt and the top parallel and level of bull's eye ball.

Furthermore, the horizontal distances between the left end and the right end of the left guide hole and the horizontal distances between the left end and the right end of the right guide hole are both greater than or equal to the maximum extension length of the cylinder.

Furthermore, the front surface of the front vertical plate and the rear surface of the rear vertical plate are movably connected with a set of limiting wheels, each set of limiting wheels comprises two upper limiting wheels and two lower limiting wheels, and the two upper limiting wheels and the two lower limiting wheels clamp the driving plate in the middle.

Furthermore, each limiting wheel is a wheel body with a groove on the peripheral wall, and the driving plate is clamped between the grooves of the two upper limiting wheels and the two lower limiting wheels.

Furthermore, the sum of the heights of the left turnover plate and the right turnover plate is smaller than or equal to the distance between the left rotating shaft and the right rotating shaft, and the first through groove of the left turnover plate and the second through groove of the right turnover plate are opposite to each other left and right.

Furthermore, the widths of the left guide hole and the right guide hole are consistent, and the widths of the left guide hole and the right guide hole are both larger than the diameters of the left adjusting rod and the right adjusting rod; the left adjusting wheel and the right adjusting wheel are both disc bodies, and the diameters of the left adjusting wheel and the right adjusting wheel are larger than those of the left rotating shaft and the right rotating shaft.

Further, the length of the second vertical plate is greater than that of the frame body, and the maximum extending length of the cylinder is greater than that of the second vertical plate.

Furthermore, a first proximity switch with an upward measuring head is arranged on the upper surface of the bearing plate and located between two adjacent first vertical plates, a second proximity switch with a backward measuring head and penetrating through the front vertical plate is arranged at the lower part of the front vertical plate, the second proximity switch is arranged between the upper surface of the bottom plate of the frame body and the lower surface of the bracket, and when the elevator is contracted to the lowest position, the upper end of each first vertical plate is lower than the second proximity switch; when the elevator ascends to the highest position, the upper surface of the bearing plate is lower than the lower surface of the bottom plate, the first proximity switch is located between the upper surface of the bearing plate and the lower surface of the bottom plate, and the upper end of the first vertical plate is higher than the upper end of the push plate.

Further, the left and right sides of preceding riser is provided with the third proximity switch of arranging left roll-over board lower extreme below and bracket top in respectively and arranges the fourth proximity switch of right roll-over board lower extreme below and bracket top in, and when the output of cylinder withdrawed to the limit, the right-hand member of second riser was located the left end top of bracket, third proximity switch arranges in between second riser right-hand member and the preceding riser left end, the motor of first proximity switch, second proximity switch, third proximity switch, fourth proximity switch, electromagnetic directional valve and lift all connects the controller of printing machine.

Through the technical scheme, the invention has the beneficial effects that:

the roll-over stand of the invention enables the upper part of the paper receiving part to continuously receive paper, the driving part at the lower part of the paper receiving part can intermittently push out the collected paper stack, the upper part of the paper receiving part is in a continuous paper receiving state, the lower part is in a state of separating the paper stack, and the bearing part enables the paper stack to slide left and right and is convenient for a forklift to transfer.

The driving plate of the driving part can guide the rotating frame of the paper collecting part, so that the left overturning plate and the right overturning plate of the overturning frame rotate oppositely when the driving part acts, a platform is formed by the overturned left overturning plate and the overturned right overturning plate to intercept falling of paper, paper piles below the overturned left overturning plate and the overturned right overturning plate can be completely pushed and moved rightwards by the push plate, the space at the lower part of the paper collecting part is emptied, and a new paper pile is put down when the left overturning plate and the right overturning plate return to the vertical state, so that the machine does not need to be stopped, the workload is small, and the production efficiency is improved.

The telescopic frame can support the paper stack when being lifted, prevents the paper stack on the platform from scattering due to overlarge falling height when the left turnover plate and the right turnover plate are recovered to be in a vertical state, and can slowly descend, thereby preventing newly-fallen paper from scattering due to overlarge falling height.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the frame body of the present invention;

FIG. 3 is a front view of the frame of the present invention;

fig. 4 is a schematic view of the structure of the driving plate of the present invention;

FIG. 5 is a schematic structural view of a first upright plate of the push plate of the present invention;

FIG. 6 is a schematic structural view of the telescoping mast of the present invention;

FIG. 7 is a top view of the bracket of the present invention;

fig. 8 is a state diagram of the use of the present invention.

The reference numbers in the drawings are as follows: the frame body is 1, the roll-over stand is 2, the bracket is 3, the tray is 3a, the telescopic frame is 4, the cylinder is 5, the push plate is 6, the second vertical plate is 7, the push rod is 8, the drive plate is 9, the bottom plate is 11, the front vertical plate is 12, the rear vertical plate is 13, the connecting rod is 14, the guide plate is 15, the limiting wheel is 16, the left roll-over stand is 21, the right roll-over stand is 22, the bull eye ball is 32, the elevator is 41, the bearing plate is 42, the first vertical plate is 43, the left guide hole is 91, the right guide hole is 92, the arc-shaped plate is 151, the vertical plate is 152, the left pivot shaft is 211, the left roll-over plate is 212, the left adjusting wheel is 213, the left adjusting rod is 214, the right pivot shaft is 221, the right roll-over plate is 222, the right adjusting wheel is 223, and the right adjusting.

Detailed Description

The invention is further described with reference to the following figures and detailed description:

it should be noted that directional terms used in the following description such as "front", "back", "left", "right", "up", "down", "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 8, a delivery mechanism of a printing press includes a delivery portion, a carrying portion, and a driving portion;

the paper collecting part comprises a frame body 1 and a turning frame 2, the frame body 1 comprises a bottom plate 11, a front vertical plate 12 and a rear vertical plate 13, the bottom plate 11 is a rectangular plate body, a plurality of strip-shaped through holes penetrating through the upper surface and the lower surface of the bottom plate 11 are arranged on the bottom plate 11 at intervals along the width direction of the bottom plate, the front vertical plate 12 and the rear vertical plate 13 are respectively arranged at the front end and the rear end of the upper surface of the bottom plate 11, the front vertical plate 12 and the rear vertical plate 13 are parallel and opposite, the left part and the right part of the upper surface of the front vertical plate 12 and the rear vertical plate 13 which are opposite are connected through a connecting rod 14, a guide plate 15 is arranged at the right part of the surface of the front vertical plate 12 and the right part of the rear vertical plate 13, the guide plate 15 comprises an arc-shaped plate 151 and a vertical plate 152, the arc-shaped plate 151 is an arc-shaped plate body which is arched towards the upper right, the upper end of the, the lower end of the arc plate 151 is connected with a vertical plate 152, the right side surface of the vertical plate 152 is flush with the right side surfaces of the front vertical plate 12 and the rear vertical plate 13, the front and rear ends of the arc plate 151 and the vertical plate 152 are respectively connected with the opposite surfaces of the front vertical plate 12 and the rear vertical plate 13, a turning frame 2 lower than the lower end of the vertical plate 152 is arranged between the left and right ends of the opposite surface of the front vertical plate 12 and the rear vertical plate 13, the turning frame 2 comprises a left turning frame 21 and a right turning frame 22, the left turning frame 21 comprises a left rotating shaft 211, a left turning plate 212 and a left adjusting wheel 213, the left rotating shaft 211 is movably connected between the left ends of the opposite surfaces of the front vertical plate 12 and the rear vertical plate 13, the side wall of the left rotating shaft 211 is connected with the left turning plate 212 arranged between the front vertical plate 12 and the rear vertical plate 13, the left turning plate 212 is a vertical plate body, the lower end of the left turning plate 212 is spaced from the upper surface of the bottom plate 11 of the frame body 1, a plurality of vertical through grooves are, the first through groove penetrates through the bottom surface of the left turnover plate 212 downwards, the front end and the rear end of the left rotary shaft 211 penetrate through the front vertical plate 12 and the rear vertical plate 13 respectively and are located in front of the front vertical plate 12 and behind the rear vertical plate 13, the front end and the rear end of the left rotary shaft 211 are provided with a left adjusting wheel 213 which is located in front of the front vertical plate 12 and behind the rear vertical plate 13 respectively, the lower part of the outer surface of the left adjusting wheel 213 is provided with a left adjusting rod 214, the left adjusting rod 214 is a rod body which is perpendicular to the outer surface of the left adjusting wheel 213, the right turnover frame 22 comprises a right rotary shaft 221, a right turnover plate 222 and a right adjusting wheel 223, the right rotary shaft 221 is movably connected between the right ends of the front vertical plate 12 and the rear vertical plate 13, the side wall of the right rotary shaft 221 is connected with the right turnover plate 222 which is arranged between the front vertical plate 12 and the rear vertical plate 13, and a space is, a plurality of second through grooves which are vertically upward are formed in the right turnover plate 222 at intervals along the width direction of the right turnover plate 222, the second through grooves penetrate through the bottom surface of the right turnover plate 222 downwards, the front end and the rear end of the right turning shaft 221 penetrate through the front vertical plate 12 and the rear vertical plate 13 respectively and are located in front of the front vertical plate 12 and behind the rear vertical plate 13, the front end and the rear end of the right turning shaft 221 are provided with right adjusting wheels 223 located in front of the front vertical plate 12 and behind the rear vertical plate 13 respectively, a right adjusting rod 224 is arranged on the upper portion of the outer surface of the right adjusting wheel 223, and the right adjusting rod 224 is a rod body perpendicular to the outer surface;

the bearing part comprises a bracket 3, a tray and a telescopic frame 4, the bracket 3 is a rectangular plate body with supporting legs arranged on the bottom surface, a plurality of third through grooves penetrating through the upper surface and the lower surface of the bracket 3 are arranged on the top surface of the bracket 3 at intervals along the width direction of the bracket 3, the left end of each third through groove is close to the left end of the bracket 3, the right end of each third through groove is close to the right end of the bracket 3, each third through groove is vertically corresponding to a through hole of the bottom plate of the frame body 1, bull-eye balls 32 are uniformly distributed on the top surface of the bracket 3 outside the third through grooves, the left end of the bracket 3 respectively penetrates through the lower ends of a right turnover plate 222 and a left turnover plate 212 and is positioned on the left side and the right side of the paper collecting part, the bracket 3 is positioned above the bottom plate 11 of the frame body 1, the telescopic frame 4 comprises a lifter 41 and a bearing structure, the lifter 41 is, the bearing structure is a comb-shaped structure consisting of a horizontal rectangular bearing plate 42 and a plurality of vertical rectangular first vertical plates 43 arranged on the upper surface of the bearing plate 42 at intervals along the width direction of the bearing plate 42, the plurality of first vertical plates 43 correspond to the plurality of third through grooves and the through holes in the frame body 1 one by one in an up-down manner, the height of each first vertical plate 43 is less than or equal to the distance between the upper end of the turnover frame 2 and the bottom surface of the frame body 1, and a tray 3a is arranged on the right side of the bracket 3;

the paper collecting device is characterized in that the driving part comprises an air cylinder 5, a push plate 6 and a driving plate 9, the air cylinder 5 is located on the outer side of the left end of a bracket 3 on the left side of the paper collecting part, an electromagnetic reversing valve is connected to an air inlet pipe of the air cylinder 5, the output end of the air cylinder 5 faces the right, the output end of the air cylinder 5 is connected with the push plate 6 located between the lower ends of a right turnover plate 222 and a left turnover plate 212 and the bracket 3, the push plate 6 is a vertical plate body, a plurality of rectangular vertical second vertical plates 7 are arranged on the right side face of the push plate 6 at intervals along the width direction of the push plate 6, each second vertical plate 7 is in a staggered state with a first vertical plate 43, the upper end of the push plate 6 is connected with a push rod 8, the push rod 8 is a vertical rod body, the lower end of the push rod 8 is connected with the upper end of the push plate 6, the upper end, The front end and the rear end of the frame body are respectively positioned in front of a left adjusting wheel and a right adjusting wheel on the front side of the frame body 1 and behind the left adjusting wheel and the right adjusting wheel on the rear side of the frame body 1, guide holes penetrating through the drive plate 9 are arranged on the drive plate 9, the guide holes comprise a left guide hole 91 and a right guide hole 92, the left guide hole 91 and the right guide hole 92 both penetrate through the front surface and the rear surface of the drive plate 9 from front to back, the left guide hole 91 comprises a horizontal first strip-shaped through hole and a first arc-shaped through hole communicated with the right end of the first strip-shaped through hole, the central axes of the first strip-shaped through hole, the left adjusting wheel 213 and the right adjusting wheel 223 are positioned on the same plane, the arc of the first arc-shaped through hole is arched upwards from right and downwards from right, the right end of the first arc-shaped through hole is sleeved outside the left adjusting rod 214, the right guide hole 92 comprises, the second bar-shaped through hole is positioned on the same plane with the central axis of the left adjusting wheel 213 and the central axis of the right adjusting wheel 223, the arc of the second arc-shaped through hole is arched towards the right lower part and the right end is upward, and the right end of the second arc-shaped through hole is sleeved outside the right adjusting rod 224.

Tray 3a is the plate body that has the supporting leg, and tray 3a is located 3 right sides of bracket, and tray 3a left end and the contact of 3 right-hand members of bracket, 3a upper surface of tray and 3 upper surface parallel and level of bracket, 3a upper surface of tray are provided with a plurality of unpowered cylinders, the outer common cover of unpowered cylinder is equipped with the belt, the upper surface of belt and the top parallel and level of bull's eye ball 32.

The horizontal distance between the left end and the right end of the left guide hole 91 and the horizontal distance between the left end and the right end of the right guide hole 92 are both greater than or equal to the maximum extension length of the cylinder 5.

The front surface of the front vertical plate 12 and the rear surface of the rear vertical plate 13 are both movably connected with a set of limiting wheels 16, each set of limiting wheels 16 comprises two upper limiting wheels and two lower limiting wheels, and the two upper limiting wheels and the two lower limiting wheels clamp the drive plate 9 in the middle.

Each limiting wheel 16 is a wheel body with a groove on the peripheral wall, and the driving plate 9 is clamped between the grooves of the two upper limiting wheels and the two lower limiting wheels.

The sum of the heights of the left turnover plate 212 and the right turnover plate 222 is less than or equal to the distance between the left rotating shaft 211 and the right rotating shaft 221, and the first through groove of the left turnover plate 212 and the second through groove of the right turnover plate 222 are opposite to each other left and right.

The widths of the left guide hole 91 and the right guide hole 92 are consistent, and the widths of the left guide hole 91 and the right guide hole 92 are both larger than the diameters of the left adjusting rod 214 and the right adjusting rod 224; the left adjusting wheel 213 and the right adjusting wheel 223 are both disc bodies, and the diameters of the left adjusting wheel 213 and the right adjusting wheel 223 are larger than the diameters of the left rotating shaft 211 and the right rotating shaft 221.

The length of the second vertical plate 7 is greater than that of the frame body 1, and the maximum extending length of the air cylinder 5 is greater than that of the second vertical plate 7.

A first proximity switch with an upward measuring head is arranged on the upper surface of the bearing plate 42 and located between two adjacent first vertical plates 43, a second proximity switch with a rearward measuring head and penetrating through the front vertical plate 12 is arranged at the lower part of the front vertical plate 12, the second proximity switch is arranged between the upper surface of the bottom plate 11 of the frame body 1 and the lower surface of the bracket 3, and when the elevator 41 is retracted to the lowest position, the upper end of each first vertical plate 43 is lower than the second proximity switch; when the elevator 41 rises to the highest position, the upper surface of the bearing plate 42 is lower than the lower surface of the bottom plate 11, the first proximity switch is positioned between the upper surface of the bearing plate 42 and the lower surface of the bottom plate 11, and the upper end of the first vertical plate 43 is higher than the upper end of the push plate 6.

The left and right sides of preceding riser 12 is provided with the third proximity switch of arranging left roll-over board 212 lower extreme below and bracket 3 top in respectively and arranges the fourth proximity switch of right roll-over board 222 lower extreme below and bracket 3 top in, and when the output of cylinder 5 withdrawed to the limit, the right-hand member of second riser 7 was located the left end top of bracket 3, the third proximity switch was arranged in between second riser 7 right-hand member and preceding riser 12 left end, the motor of first proximity switch, second proximity switch, third proximity switch, fourth proximity switch, electromagnetic directional valve and lift 41 all connects the controller of printing machine.

The first proximity switch is a normally open type proximity switch for the fourth proximity switch, and second proximity switch and third proximity switch are normally closed type proximity switch, and first proximity switch, second proximity switch, third proximity switch and fourth proximity switch are E2E-X8MD1-M1G-Z metal magnetism induction sensor, and first riser and second riser are the metal plate body or the surface has posted the metal film, and the lift is DPS500 scissor lift.

When the paper collecting device is used, the guide plate 15 can guide paper conveyed by a printing machine, so that the paper accurately falls at a fixed position in the paper collecting part, the telescopic frame 4 extends upwards to support the paper to form a paper stack, the elevator slowly descends when supporting the paper to prevent the newly fallen paper from scattering due to overlarge falling height, when the telescopic frame descends to the position that the first vertical plate 43 is lower than the second proximity switch, the air cylinder is started, the push plate is pushed out rightwards, when the air cylinder extends rightwards, the driving plate moves rightwards, the left guide hole and the right guide hole on the driving plate respectively guide the left adjusting rod and the right adjusting rod, so that the left adjusting rod and the right adjusting rod drive the left overturning plate and the right overturning plate to overturn oppositely, a horizontal platform is formed after the left overturning plate and the right overturning plate overturn to support the paper conveyed by the printing machine, so that the paper does not fall downwards any more but is concentrated above the platform, and a paper pile is formed above the platform, no paper falls below the platform, the push plate pushes the paper pile below the platform to the right to push out the paper collecting part, when the right end of the second vertical plate extends out of the frame body 1 to shield a fourth proximity switch, the paper pile is pushed to a tray on the right side of the bracket, so that the forklift is convenient to transfer, the cylinder extends to the maximum, the elevator starts to ascend, the cylinder stops when the first proximity switch on the upper surface of the bearing plate ascends to detect the lower surface of the bottom plate of the frame body 1, the cylinder starts to contract, the push plate retreats to the initial position leftwards, the guide plate returns leftwards, the left adjusting rod and the right adjusting rod adjust the left overturning plate and the right overturning plate along with the guide of the left guide hole and the right guide hole, so that the left overturning plate and the right overturning plate are restored to the vertical state from the horizontal state, the paper pile on the platform falls onto the top surface of the bearing structure of the telescopic frame in the process, and when the cylinder, the telescopic frame is slowly descended while supporting the paper collected by the paper collecting part to continue forming a paper stack, and when the telescopic frame descends until the first vertical plate 43 is lower than the second proximity switch, the steps are repeated again and the reciprocating cycle is performed.

The roll-over stand of the invention enables the upper part of the paper receiving part to continuously receive paper, the driving part at the lower part of the paper receiving part can intermittently push out the collected paper stack, the upper part of the paper receiving part is in a continuous paper receiving state, the lower part is in a state of pushing out the paper stack at intervals, and the bearing part enables the paper stack to slide left and right and is convenient for a forklift to transfer.

The driving plate of the driving part can guide the rotating frame of the paper collecting part, so that the left overturning plate and the right overturning plate of the overturning frame rotate oppositely when the driving part acts, a platform is formed by the left overturning plate and the right overturning plate after overturning to intercept the falling of paper, paper piles below the left overturning plate and the right overturning plate after overturning can be completely pushed and moved rightwards by the pushing plate, the space at the lower part of the paper collecting part is emptied, and a new paper pile is put down when the left overturning plate and the right overturning plate return to the vertical state without stopping.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of disclosure without departing from the spirit of the present invention.

Claims

1. A paper receiving mechanism of a printing machine is characterized by comprising a paper receiving part, a bearing part and a driving part;

the paper receiving part comprises a frame body (1) and a turning frame (2), the frame body (1) comprises a bottom plate (11), a front vertical plate (12) and a rear vertical plate (13), the bottom plate (11) is a rectangular plate body, a plurality of strip-shaped through holes penetrating through the upper surface and the lower surface of the bottom plate (11) are arranged on the bottom plate (11) at intervals along the width direction of the bottom plate, the front vertical plate (12) and the rear vertical plate (13) are respectively arranged at the front end and the rear end of the upper surface of the bottom plate (11), the front vertical plate (12) and the rear vertical plate (13) are parallel and opposite, the left part and the right part of the upper surface opposite to the front vertical plate (12) and the rear vertical plate (13) are connected through a connecting rod (14), a guide plate (15) is arranged at the right part of the surface opposite to the front vertical plate (12) and the rear vertical plate (13), the guide plate (15) comprises an arc-shaped plate (151) and a, the upper end of the arc plate (151) is positioned between the connecting rods (14) at the left part and the right part of the front vertical plate (12) and the rear vertical plate (13), the upper end of the arc plate (151) is flush with the upper ends of the front vertical plate (12) and the rear vertical plate (13), the lower end of the arc plate (151) is connected with a vertical plate (152), the right side surface of the vertical plate (152) is flush with the right side surfaces of the front vertical plate (12) and the rear vertical plate (13), the front end and the rear end of the arc plate (151) and the vertical plate (152) are respectively connected with the opposite surfaces of the front vertical plate (12) and the rear vertical plate (13), the turning frames (2) lower than the lower end of the vertical plate (152) are arranged between the left end and the right end of the opposite surfaces of the front vertical plate (12) and the rear vertical plate (13), each turning frame (2) comprises a left turning frame (21) and a right turning frame (22), each left turning frame (21) comprises a left rotating, the left rotating shaft (211) is movably connected between the left ends of the surfaces opposite to the front vertical plate (12) and the rear vertical plate (13), a left turning plate (212) arranged between the front vertical plate (12) and the rear vertical plate (13) is connected to the side wall of the left rotating shaft (211), the left turning plate (212) is a vertical plate body, a space is reserved between the lower end of the left turning plate (212) and the upper surface of the bottom plate (11) of the frame body (1), a plurality of vertical upward first through grooves are arranged on the left turning plate (212) at intervals along the width direction of the left turning plate (212), the first through grooves penetrate through the bottom surface of the left turning plate (212) downwards, the front end and the rear end of the left rotating shaft (211) penetrate through the front vertical plate (12) and the rear vertical plate (13) respectively and are positioned behind the front vertical plate (12) and the rear vertical plate (13), and the front end and the rear end of the left rotating shaft (211) are provided with a left adjusting wheel (213) positioned in front of, the outer surface lower part of the left adjusting wheel (213) is provided with a left adjusting rod (214), the left adjusting rod (214) is a rod body perpendicular to the outer surface of the left adjusting wheel (213), the right turning frame (22) comprises a right rotating shaft (221), a right turning plate (222) and a right adjusting wheel (223), the right rotating shaft (221) is movably connected between the right ends of the surfaces of the front vertical plate (12) and the rear vertical plate (13) which are opposite, the side wall of the right rotating shaft (221) is connected with the right turning plate (222) arranged between the front vertical plate (12) and the rear vertical plate (13), the right turning plate (222) is a vertical plate body, the lower end of the right turning plate (222) is spaced from the upper surface of the bottom plate (11) of the frame body (1), the right turning plate (222) is provided with a plurality of second through grooves in the vertical direction at intervals along the width direction of the right turning plate (222), and the second through grooves penetrate through the bottom surface of the right turning plate (222, the front end and the rear end of the right rotating shaft (221) respectively penetrate through a front vertical plate (12) and a rear vertical plate (13) and are positioned in front of the front vertical plate (12) and behind the rear vertical plate (13), the front end and the rear end of the right rotating shaft (221) are respectively provided with a right adjusting wheel (223) positioned in front of the front vertical plate (12) and behind the rear vertical plate (13), the upper part of the outer surface of the right adjusting wheel (223) is provided with a right adjusting rod (224), and the right adjusting rod (224) is a rod body perpendicular to the outer surface of the right adjusting wheel (223);

the bearing part comprises a bracket (3), a tray and a telescopic frame (4), the bracket (3) is a rectangular plate body with supporting legs arranged on the bottom surface, a plurality of third through grooves penetrating through the upper surface and the lower surface of the bracket (3) are arranged on the top surface of the bracket (3) at intervals along the width direction of the bracket (3), the left end of each third through groove is close to the left end of the bracket (3), the right end of each third through groove is close to the right end of the bracket (3), each third through groove vertically corresponds to a through hole of the bottom plate of the frame body (1), eyelet balls (32) are uniformly distributed on the upper top surface of the bracket (3) outside the third through grooves, the left end of the bracket (3) respectively penetrates through the lower ends of a right turnover plate (222) and a left turnover plate (212) and is positioned on the left side and the right side of the paper receiving part, the bracket (3) is positioned above the bottom plate (11) of the frame body (1), the telescopic frame (4) comprises a, the lifting device is characterized in that the lifter (41) is positioned under the frame body (1), the top end of the lifter (41) is connected with a bearing structure, the bearing structure is a comb-shaped structure formed by a horizontal rectangular bearing plate (42) and a plurality of vertical rectangular first vertical plates (43) which are arranged on the upper surface of the bearing plate (42) at intervals along the width direction of the bearing plate (42), the plurality of first vertical plates (43) correspond to the plurality of third through grooves and the through holes in the frame body (1) up and down one by one, the height of each first vertical plate (43) is less than or equal to the distance between the upper end of the turnover frame (2) and the bottom surface of the frame body (1), and the right side of the bracket (3) is provided with a tray (3 a);

the paper collecting device is characterized in that the driving portion comprises a cylinder (5), a push plate (6) and a driving plate (9), the cylinder (5) is located on the outer side of the left end of a bracket (3) on the left side of the paper collecting portion, an electromagnetic reversing valve is connected to an air inlet pipe of the cylinder (5), the output end of the cylinder (5) faces the right, the output end of the cylinder (5) is connected with the push plate (6) located between the lower end of a right turnover plate (222) and a left turnover plate (212) and the bracket (3), the push plate (6) is a vertical plate body, a plurality of rectangular and vertical second vertical plates (7) are arranged on the right side face of the push plate (6) at intervals along the width direction of the push plate (6), each second vertical plate (7) is in a staggered state with the first vertical plate (43), a push rod (8) is connected to the upper end of the push plate (6), the push rod (8) is a vertical rod, The upper end of the frame is connected with a driving plate (9), the driving plate (9) is an Contraband-shaped plate body with a rightward opening, the middle part of the lower surface of the left end of the driving plate (9) is connected with a push rod (8), the front end and the rear end of the driving plate are respectively positioned in front of a left adjusting wheel and a right adjusting wheel on the front side of the frame body (1) and behind the left adjusting wheel and the right adjusting wheel on the rear side of the frame body (1), guide holes penetrating through the driving plate (9) from front to back are formed in the driving plate (9), each guide hole comprises a left guide hole (91) and a right guide hole (92), the left guide hole (91) and the right guide hole (92) both penetrate through the front surface and the rear surface of the driving plate (9) from front to back, each left guide hole (91) comprises a horizontal first strip-shaped through hole and a first arc-shaped through hole communicated with the right end of the first strip-shaped through hole, and the central, the arc of first arc through-hole is upwards arched to the right side and the right-hand member is downward, and the right-hand member cover of first arc through-hole is outside at left regulation pole (214), right side guiding hole (92) are including the second arc through-hole of horizontally second bar through-hole and second bar through-hole right-hand member intercommunication, second bar through-hole is located the coplanar with the central axis of left regulating wheel (213) and right regulating wheel (223), the arc of second arc through-hole is to right side below arch and the right-hand member upwards, and the right-hand member cover of second arc through-hole is outside at right regulation pole (224).

2. The paper delivery mechanism of a printing machine according to claim 1, characterized in that the tray (3 a) is a plate body with supporting legs, the tray (3 a) is located on the right side of the bracket (3), the left end of the tray (3 a) is in contact with the right end of the bracket (3), the upper surface of the tray (3 a) is flush with the upper surface of the bracket (3), the upper surface of the tray (3 a) is provided with a plurality of unpowered rollers, the unpowered rollers are sleeved with a belt together, and the upper surface of the belt is flush with the top end of the bull's eye ball (32).

3. The delivery mechanism of a printing press according to claim 1, wherein the horizontal distance between the left and right ends of the left guide hole (91) and the horizontal distance between the left and right ends of the right guide hole (92) are each equal to or greater than the maximum extension length of the air cylinder (5).

4. The delivery mechanism of a printing press according to claim 1, wherein a set of limiting wheels (16) is movably connected to both the front surface of the front riser (12) and the rear surface of the rear riser (13), each set of limiting wheels (16) comprising two upper limiting wheels and two lower limiting wheels sandwiching the drive plate (9).

5. A delivery mechanism according to claim 4, characterised in that each of the spacing wheels (16) is a wheel body with a groove in the peripheral wall thereof, and the drive plate (9) is clamped between the grooves of the two upper and lower spacing wheels.

6. The delivery mechanism of a printing press according to claim 1, wherein the sum of the heights of the left and right turn plates (212, 222) is less than or equal to the distance between the left and right rotating shafts (211, 221), and the first through groove of the left turn plate (212) and the second through groove of the right turn plate (222) are opposite to each other.

7. The delivery mechanism of a printing machine according to claim 1, characterised in that the left guide hole (91) and the right guide hole (92) have the same width, the width of the left guide hole (91) and the width of the right guide hole (92) are both larger than the diameter of the left adjustment lever (214) and the right adjustment lever (224); the left adjusting wheel (213) and the right adjusting wheel (223) are both disc bodies, and the diameters of the left adjusting wheel (213) and the right adjusting wheel (223) are larger than the diameters of the left rotating shaft (211) and the right rotating shaft (221).

8. The delivery mechanism of a printing machine according to claim 1, wherein the length of the second upright plate (7) is greater than the length of the frame body (1), and the maximum extension length of the cylinder (5) is greater than the length of the second upright plate (7).

9. The delivery mechanism of a printing machine according to claim 1, wherein the upper surface of the carrying plate (42) has a first proximity switch with an upward measuring head between two adjacent first vertical plates (43), a second proximity switch with a rearward measuring head penetrating through the front vertical plate (12) is arranged at the lower part of the front vertical plate (12), the second proximity switch is arranged between the upper surface of the bottom plate (11) of the frame body (1) and the lower surface of the bracket (3), and when the elevator (41) is retracted to the lowest, the upper end of the first vertical plate (43) is lower than the second proximity switch; when the lifter (41) rises to the highest position, the upper surface of the bearing plate (42) is lower than the lower surface of the bottom plate (11), the first proximity switch is positioned between the upper surface of the bearing plate (42) and the lower surface of the bottom plate (11), and the upper end of the first vertical plate (43) is higher than the upper end of the push plate (6).

10. The delivery mechanism of a printing machine according to claim 9, wherein the left and right sides of the front vertical plate (12) are respectively provided with a third proximity switch disposed below the lower end of the left roll-over plate (212) and above the bracket (3) and a fourth proximity switch disposed below the lower end of the right roll-over plate (222) and above the bracket (3), when the output end of the cylinder (5) retracts to the limit, the right end of the second vertical plate (7) is disposed above the left end of the bracket (3), the third proximity switch is disposed between the right end of the second vertical plate (7) and the left end of the front vertical plate (12), and the motors of the first proximity switch, the second proximity switch, the third proximity switch, the fourth proximity switch, the electromagnetic directional valve and the lifter (41) are all connected to the controller of the printing machine.