Plane gravure press with function of preventing stop of double fed paper

Abstract

The utility model provides a plane gravure press with a function of preventing stop of double fed paper, which comprises a plane gravure press, a paper conveying device is arranged at the input end of the plane gravure press and used for conveying printing paper, a detection device is arranged at one end of the paper conveying device close to the plane gravure press, and the detection device detects the number of the passing printing paper; a stopping device is arranged on one side of the detection device and used for stopping the detected two pieces of overlapped printing paper. A paper discharging device is further arranged in the gravure press, the paper discharging device discharges the blocked double pieces of overlapped printing paper out of the gravure press, the shutdown problem caused by untimely manual treatment is solved, the shutdown time is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flat and concave machine, concretely to a flat and concave machine with double -sided paper feeding and stopping function. BACKGROUND

[0002] The flat and concave machine is an important member in printing equipment, and is widely applied in the field of packaging printing and the like. With the popularization of the electrochemical aluminum stamping technology, the requirement for printing quality is also increasingly improved. In the actual production process, the paper conveying link of the flat and concave machine is crucial, however, the existing flat and concave machine often causes the situation that double papers enter at the same time due to factors such as unaligned paper, electrostatic adsorption or improper equipment adjustment, resulting in printing errors, producing a large number of unqualified products, reducing printing quality and production efficiency, and possibly causing the equipment to be jammed, damaging the equipment, increasing maintenance cost and downtime.

[0003] Chinese patent CN202322667882.4 discloses a flat and concave printing machine multi-paper feeding and stopping device, comprising a printing machine, a conveying device, a detection device and a pressing mechanism, the conveying device comprises a shipping plate, a fixed seat arranged at the end of the shipping plate and a conveying frame, the detection device comprises a bracket arranged on the fixed seat and a detection probe arranged on the bracket, and the pressing mechanism comprises a connecting frame arranged on the fixed seat, a plurality of air cylinders arranged symmetrically on the connecting frame and a pressing block, which can automatically stop multiple papers from feeding in time.

[0004] However, the technical scheme has the following disadvantages: after stopping the paper, manual processing is required to stop the paper, and then the work can continue, if the processing is not timely, the production will be stopped, and the production efficiency will be reduced. SUMMARY

[0005] The utility model aims at the insufficient of prior art, provides a kind of flat and concave machine with double -sided paper feeding and stopping function, by setting detection device, stopping device cooperation paper discharge device, double overlapping printing paper stopped is discharged flat and concave machine, solve the problem of downtime due to manual processing not in time, reduce downtime, improve production efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of flat and concave machine with double -sided paper feeding and stopping function, including flat and concave machine, the input of the flat and concave machine is provided with paper feeding device, for conveying printing paper, the paper feeding device is close to the one end of the flat and concave machine and is provided with detection device, and the detection device detects the number of printing paper passing through;One side of the detection device is provided with stopping device, and the stopping device blocks the double overlapping printing paper detected;The flat and concave machine is also provided with paper discharge device, and the paper discharge device discharges the double overlapping printing paper blocked from the flat and concave machine.

[0007] As improvement, the paper discharging device comprises a paper discharging channel and a movable door; the paper discharging channel is arranged in the flat and concave machine and is communicated with the outside; the top input end of the paper discharging channel is hinged with the movable door, and the movable end of the movable door is close to the cutting and stopping device.

[0008] As improvement, the paper discharging channel is arranged in an inclined mode.

[0009] As improvement, the output end of the paper discharging channel is provided with a paper box.

[0010] As improvement, the movable door is arranged in a closed state, and the movable end of the movable door is lower than the plane where the top input end of the paper discharging channel is located.

[0011] As improvement, the paper feeding device comprises a mounting seat and a paper feeding mechanism; the mounting seat is mounted on the input end of the flat and concave machine; and the paper feeding mechanism is hinged on the mounting seat.

[0012] As improvement, the detection device adopts an infrared sensor or an ultrasonic sensor.

[0013] As improvement, the cutting and stopping device comprises a support, a power member and a cutting and stopping plate; the support is mounted on the mounting seat; the power member is arranged at the bottom of the support; and the cutting and stopping plate is connected with the driving end of the power member.

[0014] The paper discharging device of the utility model has the advantages of high production efficiency, high automation degree, less downtime and high paper utilization rate.

[0015] (1) the utility model discloses a paper discharging device, which can discharge the double overlapping printed paper when cutting and stopping, avoid the downtime caused by cutting and stopping when the artificial is not around the equipment, reduce the downtime, improve the production efficiency and have high automation degree.

[0016] (2) the utility model discloses an inclined paper discharging channel and a paper box, which can assist the overlapping printed paper to fall into the paper box and be collected, and the printed paper can be printed again after being separated, thereby saving the material waste and improving the utilization rate of the printed paper.

[0017] (3) the utility model discloses a movable door arranged in a closed state, and the movable end of the movable door is lower than the plane where the top input end of the paper discharging channel is located, so that the printed paper can smoothly pass through the joint of the movable door and the paper discharging channel when printing normally, and the paper jam phenomenon can be avoided.

[0018] In conclusion, the utility model has the advantages of high production efficiency, high automation degree, less downtime and high paper utilization rate. DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2Schematic view of the active door opening;

[0021] Figure 3 Schematic view of the active door opening;

[0022] Figure 4 Schematic view of the active door opening; Figure 3 Schematic view of the active door opening; Schematic view of the active door opening;

[0023] Schematic view of the active door opening; Figure 5 Schematic view of the active door opening; Schematic view of the active door opening;

[0024] Schematic view of the active door opening; Figure 6 Schematic view of the active door opening; Figure 5 Schematic view of the active door opening.

[0025] 1. flat concave machine; 2. paper feeding device; 21. mounting seat; 22. paper feeding mechanism; 3. detection device; 4. stopping device; 41. support; 42. power piece; 43. stopping plate; 5. paper discharging device; 51. paper discharging channel; 52. active door; 521. active end; 53. paper box. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] Embodiment one

[0029] As Figures 1 to 6As shown, the embodiment provides a flat and concave machine with double-folded paper feeding and stopping function, comprising a flat and concave machine 1, an input end of the flat and concave machine 1 is provided with a paper feeding device 2 for feeding printing paper, the paper feeding device 2 is provided with a detection device 3 near one end of the flat and concave machine 1, the detection device 3 detects the number of printing paper passing through; one side of the detection device 3 is provided with a stopping device 4, the stopping device 4 blocks the detected double-folded printing paper; the flat and concave machine 1 is further provided with a paper discharging device 5, the paper discharging device 5 discharges the blocked double-folded printing paper out of the flat and concave machine 1.

[0030] As shown in the figure, Figure 5 the paper discharging device 5 comprises a paper discharging channel 51 and a movable door 52; the paper discharging channel 51 is opened in the inside of the flat and concave machine 1 and is connected with the outside space; the top input end of the paper discharging channel 51 is hinged with the movable door 52, and the movable end 521 of the movable door 52 is close to the stopping device 4.

[0031] It should be noted that when double-folded printing paper is fed, the detection device 3 detects it, the paper feeding device 2 stops feeding, the stopping device 4 blocks the paper, the movable door 52 rotates to open, the stopping device 4 resets to stop blocking, the paper feeding device 2 continues to feed paper, the double-folded paper enters the paper discharging channel 51, the movable door 52 closes, and the printing work continues.

[0032] As shown in the figure, Figure 3 the paper discharging channel 51 is obliquely arranged.

[0033] The advantage of this arrangement is that it can assist the printing paper entering the paper discharging channel 51 to slide freely, and since the width of the paper discharging channel 51 is greater than that of the printing paper, the paper will not be stuck in the channel, and the oblique sliding can also ensure that the printing paper is not damaged during the falling process, thereby protecting the integrity of the printing paper.

[0034] As shown in the figure, Figure 1 the output end of the paper discharging channel 51 is provided with a paper box 53.

[0035] It is worth mentioning that the printing paper falling from the paper discharging channel 51 is discharged from the body of the flat and concave machine 1 and is concentrated in the paper box 53, so that the subsequent operator can quickly collect and reuse the printing paper when idle, thereby saving the material waste level and improving the utilization rate of the printing paper.

[0036] As shown in the figure, Figure 6 the movable end 521 of the movable door 52 is lower than the plane where the top input end of the paper discharging channel 51 is located in the closed state.

[0037] When printing normally, because of the gap between the contact surfaces and the lower movable end 521, the printing paper can smoothly pass through the joint of the two without being blocked by the front obstacle in the conveying process, effectively avoiding the paper jam phenomenon.

[0038] As shown in Figure 2 The paper feeding device 2 comprises a mounting seat 21 and a paper feeding mechanism 22; the mounting seat 21 is mounted on the input end of the flat and concave machine 1; and the paper feeding mechanism 22 is hinged on the mounting seat 21.

[0039] The advantage of such arrangement is that the paper feeding mechanism 22 can be turned upward to open for maintenance and repair, and the paper feeding mechanism 22 is provided with a paper feeding wheel which feeds the printing paper into the flat and concave machine 1 by friction.

[0040] As shown in Figure 3 The detection device 3 adopts an infrared sensor or an ultrasonic sensor.

[0041] In some embodiments, the ultrasonic sensor is preferred, which judges whether the paper is double overlapped by emitting and receiving ultrasonic signals; the ultrasonic sensor is not affected by different types of paper and has strong resistance to interference factors such as dust, oil stains and light changes.

[0042] As shown in Figure 3 The stopping device 4 comprises a bracket 41, a power member 42 and a stopping plate 43; the bracket 41 is mounted on the mounting seat 21; the power member 42 is arranged at the bottom of the bracket 41; and the stopping plate 43 is connected to the driving end of the power member 42.

[0043] Here, the power member 42 can adopt a pneumatic cylinder, an electric push rod or the like, when the detection device 3 sends a double paper signal, the power member 42 is started to push the stopping plate 43 to press down, so as to block the path of the paper, thereby realizing the stopping function.

[0044] Working steps

[0045] The paper feeding device 2 feeds the printing paper into the flat and concave machine 1 for printing, in the conveying process, when the double overlapped printing paper enters, the detection device detects and sends a signal, the power member 42 drives the stopping plate 43 to press down, the paper feeding device 2 stops conveying, the movable door 52 rotates to open, the stopping device 4 resets to stop blocking, the paper feeding device 2 continues to feed the paper, the double overlapped paper enters the paper discharging channel 51 and falls into the paper box 53, the movable door 52 is closed, and the printing work continues.

[0046] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flat and concave machine with double-fold paper feeding and stopping function, comprising a flat and concave machine (1), wherein an input end of the flat and concave machine (1) is provided with a paper feeding device (2) for feeding printing paper, and characterized in that: the paper feeding device (2) is provided with a detection device (3) near one end of the flat and concave machine (1), which detects the number of printing papers passing through; one side of the detection device (3) is provided with a stopping device (4), which blocks the detected double-fold overlapping printing paper; the flat and concave machine (1) is further provided with a paper discharging device (5), which discharges the blocked double-fold overlapping printing paper out of the flat and concave machine (1). The paper discharging device (5) comprises a paper discharging channel (51) and a movable door (52). The paper discharging channel (51) is opened in the inside of the flat and concave machine (1) and is connected with the outside space. The top input end of the paper discharging channel (51) is hinged with the movable door (52), and the movable end (521) of the movable door (52) is close to the stopping device (4).

2. The flat-bed machine with double sheet protection and paper stop function according to claim 1, wherein The paper discharging channel (51) is arranged obliquely. The output end of the paper discharging channel (51) is provided with a paper box (53). In the closed state of the movable door (52), the movable end (521) is lower than the plane where the top input end of the paper discharging channel (51) is located.

3. The flat-bed machine with double sheet protection and paper stop function according to claim 2, characterized in that, The paper feeding device (2) comprises a mounting seat (21) and a paper feeding mechanism (22).

4. The flat-bed machine with double sheet protection and paper stop function according to claim 3, wherein The mounting seat (21) is mounted on the input end of the flat and concave machine (1).

5. The flat-bed machine with double sheet protection and paper stop function according to claim 2, wherein The paper feeding mechanism (22) is hinged on the mounting seat (21).

6. The flat-bed machine with double sheet protection and paper stop function according to claim 1, wherein The detection device (3) adopts an infrared sensor or an ultrasonic sensor. The stopping device (4) comprises a support (41), a power element (42) and a stopping plate (43). The support (41) is mounted on the mounting seat (21).

7. The flat-bed machine with double sheet protection and paper stop function according to claim 1, wherein The power element (42) is arranged at the bottom of the support (41).

8. The flat-bed machine with double sheet protection and paper stop function according to claim 6, wherein, The stopping plate (43) is connected with the driving end of the power element (42). ​ ​ ​

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