阅读说明：本技术 一种逆翻转给纸机构及其工作方法 (Reverse-overturning paper feeding mechanism and working method thereof ) 是由 关召辉 陈立军 杨忠 于 2019-10-15 设计创作，主要内容包括：本发明公开了一种逆翻转给纸机构及其工作方法,包括有分纸部和递纸部共同构成的入纸部、输纸部、堆纸部、上挡纸部、整体调整部、下推纸部、翻转部、上推纸部、收纸部,输纸部连接在入纸部前方,堆纸部衔接在输纸部前面,堆纸部前面设置有上挡纸部,上挡纸部的下方设置有整体调整部,下推纸部设置在输纸部和堆纸部下方,翻转部的后面与堆纸部相连接,翻转部的前面连接有上推纸部,在上推纸部下面设置有收纸部,本发明具有纸张的自动检测、自动翻转功能,可实现自动识别纸张状态和自动逆翻转给纸,自动化程度高,可完全替代人工翻纸,既可以做为独立的自动逆翻转功能的给纸设备,也可与模切机等进行灵活的联机而组合成具有不同功能的印刷包装机械。(The invention discloses a reverse-turning paper feeding mechanism and a working method thereof, and the reverse-turning paper feeding mechanism comprises a paper feeding part, a paper conveying part, a paper stacking part, an upper paper blocking part, an integral adjusting part, a lower paper pushing part, a turning part, an upper paper pushing part and a paper collecting part which are jointly formed by a paper separating part and a paper conveying part, wherein the paper conveying part is connected in front of the paper feeding part, the paper stacking part is spliced in front of the paper conveying part, the upper paper blocking part is arranged in front of the paper stacking part, the integral adjusting part is arranged below the upper paper blocking part, the lower paper pushing part is arranged below the paper conveying part and the paper stacking part, the back of the turning part is connected with the paper stacking part, the upper paper pushing part is connected in front of the turning part, and the paper collecting part is arranged below the upper paper pushing part. The machine can also be flexibly combined with a die cutting machine and the like to form a printing and packaging machine with different functions.)

1. A reverse-turning paper feeding mechanism comprises a paper separating part provided with a paper separating suction nozzle and a paper identification system, and a paper feeding part (1) formed by the paper conveying part provided with the paper conveying suction nozzle, and is characterized by further comprising a paper conveying part (2), a paper stacking part (3), an upper paper blocking part (4), an integral adjusting part (5), a lower paper pushing part (6), a turning part (7), an upper paper pushing part (8) and a paper collecting part (9), wherein the paper conveying part (2) is connected in front of the paper feeding part (1), the paper stacking part (3) is connected in front of the paper conveying part (2), the upper paper blocking part (4) is arranged in front of the paper stacking part (3), the integral adjusting part (5) is arranged below the upper paper blocking part (4), the lower paper pushing part (6) is arranged below the paper conveying part (2) and the paper stacking part (3), the back of the turning part (7) is connected with the paper stacking part (3), the upper paper pushing part (8) is connected in front of the turning part (7), a paper receiving part (9) is arranged under the paper pushing part (8).

2. A working method of a reverse-turning paper feeding mechanism is characterized by comprising the following steps:

when the identification system of the paper feeding part (1) detects that the paper does not need to be turned according to the process requirements, the paper is conveyed to the paper conveying part (2) by the paper conveying part, then the paper conveying part (2) conveys the paper to the paper stacking part (3), the paper in the state is collected into stacks together by the paper stacking part (3), at the moment, the upper paper blocking part (4) is positioned at the front end of the paper advancing direction and plays a role in aligning the front end of the paper, the paper is continuously conveyed to the turning part (7) by the lower paper pushing part (6), the upper paper pushing part (8) directly pushes the paper away from a gap of the turning part (7) and directly into a die-cutting machine with a paper feeding head, or the paper pushing part (9) is stacked into stacks, and then the stacks of the paper are conveyed into the die-cutting machine with the paper feeding head;

when the recognition system detects the state change of paper, namely when the paper needs to be turned over according to the process requirements, the paper separating part and the paper delivering part stop paper conveying action, the paper needing to be turned over is conveyed to the paper stacking part (3) by the paper conveying part (2) to be accumulated into a stack, meanwhile, the paper is aligned by the upper paper blocking part (4), then the paper is pushed into the turning mechanism of the turning part (7) by the lower paper pushing part (6), the pushed stack of paper is clamped by the turning mechanism to be turned over for 180 degrees, finally, the turned stack of paper is directly pushed into a die cutting machine with a paper feeding head by the upper paper pushing part (8), or the stack of paper is pushed into a stack by the paper collecting part (9), then the stack of paper is conveyed into the die cutting machine with the paper feeding head, namely, one working cycle is completed, and then the next working cycle is restarted.

Technical Field

The invention relates to a printing and packaging machine and a working method thereof, in particular to a reverse turnover paper feeding structure and a working method thereof, belonging to the field of printing and packaging machines.

Background

At present, all papers with front and back surfaces pasted by all paper pasting machines in China can be subjected to die cutting only through the airing process, but the paper often generates bending deformation with different degrees in the airing process and can seriously influence the paper feeding work of the die cutting machine, so that the papers need to be stacked in a stacking manner and in a stacking manner through manpower or a paper turnover machine, and the bending degree in the airing process is reduced through mutual offset of deformation; however, in the process of die cutting of paper, it is required that paper sent by a paper feeding system must have a consistent paper surface orientation, and may be right side up or reverse side up, and according to the process, it is necessary to turn over the paper with the reverse side (i.e. the side opposite to the side that needs to be up, and may be right side of the paper or reverse side of the paper) up again, that is, reverse side, by hand or using a turnover machine before die cutting of the paper, so that the right and reverse orientations of all the paper are consistent, and then the paper can enter a paper feeding system of a die cutting machine and be conveyed to the next process by the paper feeding system, so that the defects of large workload of manual paper turning and low working efficiency exist.

Disclosure of Invention

The invention aims to overcome the defects of the background technology and provides a reverse turning paper feeding mechanism which is matched with a turning machine and a die cutting machine, automatically identifies paper feeding mechanisms according to types, sizes and positive and negative states of different papers and automatically determines paper turning actions according to identification results and a working method thereof.

The invention adopts the technical scheme that the reverse-overturning paper feeding mechanism comprises a paper separating part provided with a paper separating suction nozzle and a paper identification system, and a paper feeding part jointly formed by the paper conveying part provided with the paper conveying suction nozzle, and is characterized by further comprising a paper conveying part, a paper stacking part, an upper paper blocking part, an integral adjusting part, a lower paper pushing part, an overturning part, an upper paper pushing part and a paper collecting part, wherein the paper conveying part is connected in front of the paper feeding part, the paper stacking part is connected in front of the paper conveying part, the upper paper blocking part is arranged in front of the paper stacking part, the integral adjusting part is arranged below the upper paper blocking part, the lower paper pushing part is arranged below the paper conveying part and the paper stacking part, the back of the overturning part is connected with the paper stacking part, the upper paper pushing part is connected in front of the overturning part, and the paper collecting part is arranged below the upper paper pushing part.

The paper separating part and the paper transferring part in the paper feeding part can be of an integrated structure or a split structure, and the paper separating part and the paper transferring part adopt the split structure so as to be beneficial to adjusting the paper identification system at the optimal position.

The paper separating part can move back and forth through the front and back adjusting power and the linear moving device.

The paper identification system arranged on the paper separating part comprises a dynamic or static image quick identification device and accessories thereof, and is used for detecting the state of paper in real time in the paper conveying process, and making corresponding actions according to signals through relevant procedures instructed by a control system to complete the work of the station.

The paper conveying part is used for conveying paper sheets to the paper stacking part one by one.

The paper stacking part is used for accumulating the input paper into a pile.

The paper pushing-down part pushes the paper accumulated by the paper stacking part into the overturning part.

The upper paper blocking part is used for blocking the paper conveyed by the paper conveying part and preventing the paper from moving forwards continuously.

The overall adjustment unit is used for mechanism adjustment when necessary.

The turning part can directly send the paper on the front side to the next procedure from the paper pushing part according to the identification information of the front side and the back side of the paper, or send the paper on the back side to the next procedure from the paper pushing part after turning the paper by 180 degrees through the turning mechanism.

The paper pushing-up part pushes the paper sent to the turning part into a die cutting machine with a paper feeding head, or pushes the paper receiving part to stack the paper into a pile, and then sends the whole pile of paper into the die cutting machine with the paper feeding head.

The working method of the invention is as follows: the paper stacked in the positive and negative states of the turnover machine or the manual stacking is automatically detected and identified by the identification system to automatically complete a series of closely linked works such as paper conveying, paper pushing, paper stacking, turnover, paper collection and the like, so that the paper to be turned is turned over to enable the paper to face in the same direction and then conveyed to a die-cutting machine, or the paper which does not need to be turned over is collected into a stack and then conveyed to the die-cutting machine.

The automatic reverse turning paper feeding device integrates the functions of automatic detection and automatic turning of paper, can realize automatic identification of the state of the paper and automatic reverse turning paper feeding, has high automation degree and comprehensive functions, can completely replace the procedures of manual paper turning and paper stacking, saves manpower, improves the working efficiency and the stability of continuous work, can be used as independent paper feeding equipment with the function of automatic reverse turning, and can also be flexibly connected with a die cutting machine and the like to form printing and packaging machinery with different functions.

Drawings

FIG. 1 is a side view of a single stack sheet feeding structure without a sheet receiving portion according to the present invention;

FIG. 2 is a top view of a single stack sheet feeding structure without a sheet receiving portion according to the present invention;

FIGS. 1 and 2 show that the paper fed to the turning part is directly pushed into a die cutting machine with a paper feeding head by a paper pushing-up part;

FIG. 3 is a side view of the present invention with a paper delivery;

FIG. 4 is a plan view of the present invention with a paper delivery portion;

fig. 3 and 4 show that the paper fed to the turnover part is pushed by the paper pushing part to the paper receiving part to be stacked, and then the whole stack of paper is fed into a die cutting machine with a paper feeding head.

In the figure: 1 paper feeding part, 2 paper conveying part, 3 paper stacking part, 4 paper upper blocking part, 5 integral adjusting part, 6 paper pushing part, 7 turning part, 8 paper upper pushing part and 9 paper delivery part

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a reverse-turning paper feeding mechanism includes a paper separating portion provided with a paper separating nozzle and a paper identifying system, and a paper feeding portion 1 formed by a paper transferring portion provided with a paper transferring nozzle, and is characterized by further including a paper conveying portion 2, a paper stacking portion 3, an upper paper blocking portion 4, an integral adjusting portion 5, a lower paper pushing portion 6, a turning portion 7, an upper paper pushing portion 8, and a paper collecting portion 9, wherein the paper conveying portion 2 is connected in front of the paper feeding portion 1, the paper stacking portion 3 is connected in front of the paper conveying portion 2, the upper paper blocking portion 4 is arranged in front of the paper stacking portion 3, the integral adjusting portion 5 is arranged below the upper paper blocking portion 4, the lower paper pushing portion 6 is arranged below the paper conveying portion 2 and the paper stacking portion 3, the rear of the turning portion 7 is connected with the paper stacking portion 3, the upper paper pushing portion 8 is connected in front of the turning portion 7, and the paper collecting portion 9 is arranged below the upper paper pushing portion.

The paper separating part and the paper transferring part in the paper feeding part 1 can be of an integrated structure or a split structure, and the paper separating part and the paper transferring part adopt the split structure so as to be beneficial to adjusting the paper identification system at the optimal position.

The paper separating part can move back and forth through the front and back adjusting power and the linear moving device.

The paper identification system arranged on the paper separating part comprises a dynamic or static image quick identification device and accessories thereof, and is used for detecting the state of paper in real time in the paper conveying process, and making corresponding actions according to signals through relevant procedures instructed by a control system to complete the work of the station.

Before the paper transferring machine works, the paper transferring suction nozzle in the paper feeding part 1 is fixed in an area with relatively small paper deformation, so that the influence of the paper deformation on the paper transferring action and the paper transferring continuity is reduced, and the working efficiency of paper transferring is ensured; then, according to the size of the paper width on the paper stack, adjusting the front and back positions of the recognition system on the paper splitting part through the front and back adjusting power and the linear moving mechanism so as to ensure the optimal recognition position of the recognition system; when the machine starts to work, the recognition system of the paper feeding part 1 can quickly detect different states of the front side and the back side of the paper according to the paper output from the paper stack by the paper feeding head;

the working method of the invention is characterized by comprising the following steps:

when the identification system of the paper feeding part 1 detects that the paper does not need to be turned according to the process requirements, the paper is conveyed to the paper conveying part 2 by the paper conveying part, then the paper conveying part 2 conveys the paper to the paper stacking part 3, the paper in the state is collected into a stack at the paper stacking part 3, at the moment, the upper paper blocking part 4 is positioned at the front end of the paper advancing direction and plays a role in aligning the front end of the paper, the paper is continuously pushed to the turning part 7 by the lower paper pushing part 6, the upper paper pushing part 8 directly pushes the paper away from the gap of the turning part 7 and directly pushes the paper into a die cutting machine with a paper feeding head as shown in figures 1 and 2, or pushes the paper collecting part 9 to be stacked into a stack as shown in figures 3 and 4, and then the whole stack of paper is sent into the die cutting machine with the paper feeding head;

when the recognition system detects the state change of the paper, namely, when the paper needing to be turned over according to the process requirement is detected, the paper separating part and the paper delivering part stop the paper delivering action, the paper needing to be turned over is delivered to the paper stacking part 3 by the paper delivering part 2 to be accumulated into a stack, meanwhile, the paper is aligned by the upper paper blocking part 4, then the paper is pushed into the turning mechanism of the turning part 7 by the lower paper pushing part 6, the turning mechanism clamps the pushed stack of paper to be turned over for 180 degrees, finally, the turned stack of paper is pushed into a die cutting machine with a paper feeding head by the upper paper pushing part 8 directly as shown in figures 1 and 2, or the stack of paper is pushed into the die cutting machine with the paper feeding head as shown in figures 3 and 4 to be stacked into the stack by the paper collecting part 9, then the whole stack of paper is delivered into the die cutting machine with the paper feeding head, namely, one work cycle is completed, and then the next work cycle.