CN112520477B

CN112520477B - Paper collecting mechanism of printing machine

Info

Publication number: CN112520477B
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: 2023-03-10
Anticipated expiration: 2040-11-21
Also published as: CN112520477A

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 turnover frame, 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 delivery part, a left turnover plate and a right turnover plate of the turnover frame rotate oppositely when the driving part acts, so that the turnover left plate and the turnover right plate form a platform for intercepting falling of paper, a paper pile below the platform can be completely pushed and moved rightwards by the push plate, a space at the lower part of the paper delivery part is emptied, a new paper pile is put down when the turnover left turnover plate and the right turnover plate return to a vertical state, the turnover frame does not need to stop, the upper part of the paper delivery part can continuously deliver paper, the driving part at the lower part of the paper delivery part can intermittently push out the collected paper pile, and the bearing part can enable the paper pile to slide leftwards and conveniently transfer 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 current printing machine (like Heidelberg full-automatic printing machine or automatic impression machine) mainly adopts intermittent type delivery mechanism, promptly: 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 delivery mechanism of a printing machine comprises a paper delivery 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 opposite upper 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 connecting rods at the left parts and the right parts of the front vertical plate and the arc-shaped plate, the upper end of the arc-shaped plate is parallel and level with the upper ends of the front vertical plate and the rear vertical plate, the lower end of the arc-shaped plate is connected with the vertical plate, the left turnover plate is a vertical plate body, a space is reserved between the lower end of the left turnover plate and the upper surface of the bottom plate of the frame body, a plurality of first vertical upward through grooves are arranged on the left turnover plate at intervals along the width direction of the left turnover plate, and the first through grooves penetrate through the bottom surface of the left turnover plate downwards, the front end of a left rotating shaft penetrates through a front vertical plate and is positioned in front of the front vertical plate, the rear end of the left rotating shaft penetrates through a rear vertical plate and is positioned in rear of the rear vertical plate, left adjusting wheels which are positioned in front of the front vertical plate and behind the rear vertical plate are respectively arranged at the front end and the rear end of the left rotating shaft, a left adjusting rod is arranged at the lower part of the outer surface of the left adjusting wheel and is a rod body perpendicular to the outer surface of the left adjusting wheel, a right rotating shaft, a right overturning plate and a right adjusting wheel are arranged on the front end and the rear end of the left rotating shaft, the right rotating shaft is movably connected between the front vertical plate and the right end of the right rotating shaft, the right overturning plate is arranged between the front vertical plate and the rear vertical plate and is a vertical plate body, a space is reserved between the lower end of the right overturning plate and the upper surface of a bottom plate of a frame body, a plurality of second through grooves which are vertically upward are arranged on the right overturning plate at intervals along the width direction of the right overturning plate, the second through grooves penetrate through the bottom surface of the right rotating shaft and penetrate through the front vertical plate, the front end and the front end of the front vertical plate and the right adjusting rod body are respectively arranged on the right adjusting rod body, and the front adjusting rod body, and the rear adjusting rod body are arranged on the front of the right adjusting wheel, and rear adjusting rod body;

the paper collecting device comprises a paper collecting part, a bearing part and a support part, wherein the bearing part comprises a bracket, a tray and a telescopic frame, the bracket is a rectangular plate body, the bottom surface of the rectangular plate body is provided with support legs, 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, the left end of each third through groove 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 is vertically corresponding to a through hole of a bottom plate of a frame body, bull-eye balls are uniformly distributed on the top surface of the bracket outside the third through grooves, the left end of the bracket penetrates through the lower end of a right turnover plate and the lower end of the left turnover plate, the left end of the bracket is positioned on the left side and the right end of the paper collecting part, the bracket is positioned above the bottom plate of the frame body, the telescopic frame comprises a lifter and a bearing structure, the lifter is positioned under the frame, the top end of the lifter is connected with the bearing structure, the bearing plate is a horizontal rectangular bearing plate and the upper surface of the bearing plate and the first vertical rectangular plate and the first vertical plate are arranged on the bracket at intervals along the width direction, the through holes, the through grooves, the upper surface of the bracket is less than the through holes of the bracket, and the bracket, the vertical plate, the distance between the first vertical plate is less than the through holes;

the driving part comprises an air cylinder, a push plate and a driving plate, the air cylinder is positioned outside the left end of a bracket on the left side of the paper collecting part, an air inlet pipe of the air cylinder is connected with an electromagnetic directional valve, 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 a left turnover plate and the bracket, the push plate is a vertical plate body, the right side surface of the push plate is provided with a plurality of rectangular and vertical second vertical plates at intervals along the width direction of the push plate, each second vertical plate is in a staggered state with the first vertical plate, the upper end of the push plate is connected with a push rod which 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 'problem 21274', the opening of the driving plate is connected with the middle part of the lower surface of the left end of the push rod, and the front and back ends of the left adjusting wheel and the right adjusting wheel which are respectively positioned on the front side of the frame body, and the back side of the left adjusting wheel and the right adjusting wheel, 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 first horizontal bar-shaped through hole and a first arc-shaped through hole communicated with the right end of the first bar-shaped through hole, the first bar-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 second horizontal bar-shaped through hole and a second arc-shaped through hole communicated with the right end of the second bar-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 second arc-shaped through hole is arched towards the lower right side, the right end of the second arc-shaped through hole is upward, and the right end of the second arc-shaped through hole is sleeved outside the right adjusting rod.

Furtherly, the tray is the plate body that has the supporting leg, and the tray is located the bracket right side, tray left end and bracket right-hand member contact, tray upper surface and bracket upper surface parallel and level, and the tray upper surface is 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.

Furthermore, 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, prevent 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, slowly descend the elevator, and prevent 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 view of the frame 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 construction of the drive 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 figures are: 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 rod is 224.

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 paper delivery mechanism of a printing press includes a paper 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 in the front-back direction, the front vertical plate 12 and the rear vertical plate 13 are connected between the left part and the right part of the upper surface of the front vertical plate 12 and the rear vertical plate 13, the right part of the surface of the front vertical plate 12 and the right part of the rear vertical plate 13 is provided with a guide plate 15, the guide plate 15 comprises an arc plate 151 and a vertical plate 152, the arc plate 151 is an arc plate body arched to the upper right side, the upper end of the arc plate 151 is positioned between the left part of the front vertical plate 12 and the rear vertical plate 13 and a connecting rod 14 of the right part, the front vertical plate 13, the upper end of the arc 151 and the front vertical plate 151 is flush with the upper end of the left vertical plate 12 and the rear vertical plate 13, the left vertical plate, the lower end of the left vertical plate 211 is connected with a left vertical plate 211, the turning frame 2, the turning frame 11, the left vertical plate 211 and the left vertical plate 211 of the turning frame 2, the turning frame 2 is connected with the left vertical plate 211, the turning frame 2, the left vertical plate 211 and the turning frame 11, the left vertical plate 211, the left vertical plate 13, the turning frame 2 is connected between the left vertical plate 211 and the left vertical plate 211, the turning frame 13, the left vertical plate 211 and the turning frame 13, the turning frame 2, the left vertical plate 211 and the turning frame 2, the turning frame are connected between the left vertical plate 211 and the left turning frame 11, a plurality of first through grooves which are vertically upward 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 of the left turning shaft 211 penetrates through the front vertical plate 12 and is positioned in front of the front vertical plate 12, the rear end of the left turning shaft 211 penetrates through the rear vertical plate 13 and is positioned behind the rear vertical plate 13, the front end and the rear end of the left turning shaft 211 are respectively provided with a left adjusting wheel 213 which is positioned in front of the front vertical plate 12 and behind the rear vertical plate 13, 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 vertical 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 opposite surfaces of the front vertical plate 12 and the rear vertical plate 13, the side wall of the right rotating shaft 221 is connected with a 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, a space is formed between the lower end of the right turning plate 222 and the upper surface of the bottom plate 11 of the frame body 1, a plurality of second through grooves which are vertically upward are arranged on the right turning plate 222 at intervals along the width direction of the right turning plate 222, the second through grooves downwards penetrate through the bottom surface of the right turning plate 222, the front end of the right rotating shaft 221 penetrates through the front vertical plate 12 and is positioned in front of the front vertical plate 12, the rear end of the right rotating shaft 221 penetrates through the rear vertical plate 13 and is positioned 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 vertical 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 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 passes through the lower end of the right turnover plate 222 and the lower end of the left turnover plate 212, the left end of the bracket 3 is positioned at the left side of the paper collecting part, and the right end of the bracket 3 is positioned at 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 an elevator 41 and a bearing structure, the elevator 41 is positioned under the frame body 1, the top end of the elevator 41 is connected with the 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 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 on the frame body 1 up and down one by one, the height of the first vertical plates 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 3a;

the driving part comprises an air cylinder 5, a push plate 6 and a driving plate 9, the air cylinder 5 is positioned at the outer side of the left end of the 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 positioned between the lower ends of the right turnover plate 222 and the 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 surface 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, 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 is connected with the driving plate 9, and the driving plate 9 is a plate body with an opening facing the right, "\74742128; the middle part of the lower surface of the left end of the driving plate 9 is connected with the push rod 8, the front and back ends of the push rod are respectively positioned in front of the left regulating wheel and the right regulating wheel on the front side of the frame body 1 and behind the left regulating wheel and the right regulating wheel on the back side of the frame body 1, the driving plate 9 is provided with guide holes which penetrate through the driving plate 9 from front to back, 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 and back surfaces of the driving 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 first strip-shaped through hole and the central axes of the left regulating wheel 213 and the right regulating wheel 223 are positioned on the same plane, the arc of the first arc-shaped through hole is arched upwards to the right and downwards to the right end, the right end of the first arc-shaped through hole is sleeved outside the left regulating rod 214, the right guide hole 92 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, the central axis of the left adjusting wheel 213 and the central axis of the right adjusting wheel 223 are located on the same plane, the arc of the second arc-shaped through hole arches towards the lower right side, the right end of the second arc-shaped through hole 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 smaller 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 is opposite to the second through groove of the right turnover plate 222 in the left-right direction.

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 second riser 7 is greater than the length of support body 1, and the maximum length of stretching out of cylinder 5 is greater than the length of second riser 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 backward 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.

First proximity switch is that fourth proximity switch is open proximity switch in usual, and second proximity switch and third proximity switch are closed proximity switch in usual, and first proximity switch, second proximity switch, third proximity switch and fourth proximity switch are E2E-X8MD1-M1G-Z metal magnetism inductive 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 falling 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 drive plate moves rightwards, the left guide hole and the right guide hole in the drive 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 turnover plate and the right turnover plate to turn over oppositely, a horizontal platform is formed after the left turnover plate and the right turnover plate turn over, the paper conveyed by the printing machine is supported, the paper does not fall downwards any more, but is concentrated above the platform, and a paper stack is formed above the platform, no paper falls below the platform, the paper stack below the platform is pushed out to the right by the push plate to the paper receiving part, when the right end of the second vertical plate extends out of the frame body 1 to shield the fourth proximity switch, the paper stack is pushed onto the tray on the right side of the bracket, so that the transfer of the forklift is facilitated, 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 detects 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, and the paper stack on the platform falls onto the top surface of the bearing structure of the telescopic frame in the process, when the cylinder contracts to the right end of the second vertical plate and does not shield the third proximity switch, the telescopic frame supports paper collected by the paper collecting part to continuously form a paper stack and slowly descends, and when the telescopic frame descends to the position where the first vertical plate 43 is lower than the second proximity switch, the steps are repeated again and the reciprocating cycle is carried out.

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 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.

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 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 in the front and rear directions, the front vertical plate (12) and the rear vertical plate (13) are connected between the left end and the right end through a connecting rod (14), a guide plate (15) is arranged at the right end 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 vertical plate (152), the arc-shaped plate (151) is an arc-shaped plate body which rises to the right side, the upper end is positioned between the left end and the right end of the arc-shaped plate (151) and the connecting rod (151) and the rear vertical plate (13), the lower end of the arc-shaped plate (151) and the vertical plate (151) are connected with the lower end of the vertical plate (13), the front end and the rear end of the arc-shaped plate (151) and the vertical plate (152) are respectively connected with the opposite surfaces of a front vertical plate (12) and a rear vertical plate (13), a turning frame (2) lower than the lower end of the vertical plate (152) is arranged between the left end and the right end 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 arranged between the upper surface of the bottom plate (11) of the frame body (1) and the upper surface of the bottom plate (11) along the left turning plate (211), a plurality of left turning grooves (211) are arranged at intervals, the left turning plate (211) and are arranged on the front end and the rear end of the left turning plate (211), the front vertical plate (13), the left turning plate (211), the front vertical plate (211), a plurality of the first through grooves (13) are arranged behind the first through grooves (13) and are arranged at intervals, the left turning plate (211), the front and back both ends of left side pivot (211) are provided with left regulation wheel (213) that are located preceding riser (12) the place ahead and back riser (13) rear respectively, the surface lower part of left side regulation wheel (213) is provided with left regulation pole (214), left side regulation pole (214) are the body of rod of perpendicular to left side regulation wheel (213) surface, right side roll-over stand (22) is including right pivot (221), right side returning face plate (222) and right regulation wheel (223), right side pivot (221) swing joint is between the relative surperficial right-hand member of preceding riser (12) and back riser (13), be connected with right returning face plate (222) of arranging between preceding riser (12) and back riser (13) on the lateral wall of right side pivot (221), right side returning face plate (222) are vertical plate body, have the interval between bottom plate (11) upper surface of right side returning face plate (222) lower extreme and support body (1), right side returning face plate (222) are last along right side riser (222) width direction interval and are provided with a plurality of straight ascending second through groove, second returning face plate (221) is located the front and right side riser (13) rear (13) the front and back riser (13) rear and is located behind front riser (12) the front riser (221), front riser (13) rear riser (221) the front and right side returning face plate (13) rear are provided with the front riser (221) rear bottom surface of right side riser (13) that the front side returning face plate (221) are provided with the front side riser (13) rear 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 vertical 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), 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), eyelet 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) penetrates through the lower end of a right turnover plate (222) and the lower end of a left turnover plate (212), the left end of the bracket (3) is positioned on the left side of the paper receiving part, the right side of the rectangular paper receiving 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 positioned above the vertical plate (43) and a plurality of the through grooves which are arranged on the first through holes and a plurality of the first through grooves which are arranged on the first through plate (42), the height of the 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 (3 a) 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 positioned outside 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) positioned 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 and vertical second vertical plates (7) are arranged on the right side surface 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), 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 of the push plate (8) is connected with a drive plate (9), the drive plate (9) is a V-212749-shaped plate body with a right opening, the middle part of the lower surface of the left end of the drive plate (9) is connected with the push rod (8), the front end and the rear end of the drive plate are respectively positioned in front of the left regulating wheel and the right regulating wheel on the front side of the frame body (1) and behind the left regulating wheel and the right regulating wheel on the rear side of the frame body (1), and the drive plate (9) is provided with a guide hole which penetrates through the drive plate (9) from front to rear, the guiding hole includes left guiding hole (91) and right guiding hole (92), left side guiding hole (91) and right guiding hole (92) are by the front and back surface that runs through drive plate (9) backward in the forward direction, left side guiding hole (91) include the first arc through-hole of the first bar through-hole of horizontally and first bar through-hole right-hand member intercommunication, first bar through-hole is located the coplanar with the central axis of left regulating wheel (213) and right regulating wheel (223), 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 regulating lever (214), right side guiding hole (92) include 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 upwards arched to the right side below and the right-hand member, and the right-hand member cover of second arc through-hand member is outside at right side arc regulating lever (224).

2. The delivery mechanism of a printing press according to claim 1, wherein 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 eyelet 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 each of the front surface of the front riser (12) and the rear surface of the rear riser (13), each set of limiting wheels (16) including two upper limiting wheels and two lower limiting wheels, the two upper limiting wheels and the 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 press according to claim 1, wherein the left and right guide holes (91, 92) have the same width, and the width of each of the left and right guide holes (91, 92) is larger than the diameter of each of the left and right adjustment bars (214, 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 base plate (11), the first proximity switch is positioned between the upper surface of the bearing plate (42) and the lower surface of the base 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.