CN114408658A

CN114408658A - Roll paper cutting mechanism

Info

Publication number: CN114408658A
Application number: CN202210116961.3A
Authority: CN
Inventors: 吴壹点; 孙斌; 吴超
Original assignee: Wenzhou Diancheng Machinery Co ltd
Current assignee: Wenzhou Diancheng Machinery Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-04-29

Abstract

The invention discloses a roll paper cutting mechanism, which comprises a first knife roll and a second knife roll which are sequentially arranged along the advancing direction of paper, wherein a first movable blade and a second movable blade are respectively arranged on the first knife roll and the second knife roll, a first fixed blade and a second fixed blade which are matched with the first movable blade and the second movable blade are respectively arranged above the first knife roll and the second knife roll, the first knife roll is connected with an output shaft of a first servo motor, the second knife roll is connected with an output shaft of a second servo motor, the first movable blade is matched with the first fixed blade to cut off continuous printed paper according to a set printing breadth, the second movable blade is matched with the second fixed blade to cut off breadth blank in the longitudinal direction of the printed paper, the paper cutting device has the advantages that the printed paper can be continuously and synchronously cut into single sheets and blank parts among printing breadth can be cut off, production processes are reduced, and production efficiency is improved.

Description

Roll paper cutting mechanism

Technical Field

The invention relates to the technical field of printing machinery, in particular to a roll paper cutting mechanism.

Background

At present, a roll paper printing machine prints roll paper after uncoiling, and can receive materials in a coiling mode or cut printed paper into single paper for stacking and receiving materials according to the requirements of the subsequent processes after printing; in the prior art, when the printed paper is cut, the paper can be cut only according to the length of a printing breadth, and the blank part between two printing breadths in the longitudinal direction of the printing breadths needs to be cut by an additional paper cutter after the single paper is cut, so that the process is multiple and the operation is troublesome.

Disclosure of Invention

The invention aims to provide a roll paper cutting mechanism which is connected with a discharging end of a printing unit, can synchronously cut a single piece of printed paper and cut off blanks among printing breadth, and solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a roll web cuts mechanism, includes first rotor 1 and the second rotor 2 that sets gradually along paper advancing direction, first rotor 1 with first movable blade 3 and second movable blade 4 have been installed respectively on the second rotor 2, first rotor 1 with second rotor 2 top be provided with respectively with first movable blade 3 with first stationary blade 5 and the second stationary blade 7 of 4 adaptations of second movable blade, first rotor 1 and the output shaft of first servo motor 13, second rotor 2 and the output shaft of second servo motor 14, first movable blade 3 with 5 cooperations of first stationary blade are used for cutting off the continuous paper in printing back according to setting for the printing breadth, second movable blade 4 with 7 cooperations of second stationary blade are used for amputating the vertical blank breadth of printing back paper.

Further, the first fixed blade 5 and the second fixed blade 7 are respectively arranged on a first fixed blade seat 6 and a second fixed blade seat 8, two ends of the first fixed blade seat 6 and two ends of the second fixed blade seat 8 are respectively arranged on a wall plate 16, and two ends of the first knife roller 1 and two ends of the second knife roller 2 are rotatably supported by the wall plate 16.

Further, a guide plate 9 is installed between the first knife roll 1 and the second knife roll 2, one side of the guide plate 9 facing the first knife roll 1 is provided with a bending guide portion 901 which is bent downwards, a feeding end of the bending guide portion 901 is lower than the highest point of the outer circumference of the first knife roll 1, and a discharging end of the bending guide portion 901 is higher than the highest point of the outer circumference of the second knife roll 2.

Furthermore, a paper feeding and conveying mechanism 10 is arranged in front of the feeding end of the first knife roller 1, the discharging end of the second knife roller 2 is connected with a conveying table 11, and a plurality of conveying rollers 15 are arranged on the conveying table 11.

Furthermore, a waste collecting box 12 is arranged below the discharge end of the second knife roller 2.

The invention has the beneficial effects that: the invention provides a roll paper cutting mechanism which is connected at the discharge end of a printing unit, when printed paper is output by the printing unit and is conveyed to a first knife roller and a second knife roller through a paper feeding conveying mechanism, at the moment, the first knife roller rotates a first movable blade away from a first fixed blade under the drive of a first servo motor, the paper passes through a gap between the first movable blade and the first knife roller to advance, when the head of the paper reaches a position between the second movable blade and the second fixed blade, the second knife roller drives the second movable blade to rotate through a cutting edge of a second fixed blade under the drive of a second servo motor to cut off blank paper at the front end in the longitudinal direction of a printing breadth, then the second servo motor drives the second movable blade to continue to rotate to the front position of the second fixed blade and then to pause, the cut waste materials fall into a waste collecting box, and finished paper passes through a gap between the second fixed blade and the second knife roller to reach a conveying platform, and the roller on the conveying platform continues to convey and advance; when the tail end of the front printing breadth reaches a position between the first movable blade and the first fixed blade, the first knife roller drives the first movable blade to rotate through the first fixed blade under the driving of the first servo motor so as to cut off continuous paper into single paper; therefore, finished products cut into single sheets are output by the conveying table, subsequent continuous paper continues to advance under the conveying of the paper feeding conveying mechanism, and blank parts at the front ends of the paper are cut off by the second movable blade and the second fixed blade in a matched mode.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic perspective view of another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a roll paper cutting mechanism includes a first knife roll 1 and a second knife roll 2 sequentially arranged along a paper advancing direction, a first moving blade 3 and a second moving blade 4 are respectively arranged on the first knife roll 1 and the second knife roll 2, a first fixed blade 5 and a second fixed blade 7 adapted to the first moving blade 3 and the second moving blade 4 are respectively arranged above the first knife roll 1 and the second knife roll 2, the first knife roll 1 is connected with an output shaft of a first servo motor 13, the second knife roll 2 is connected with an output shaft of a second servo motor 14, the first moving blade 3 is matched with the first fixed blade 5 to cut off continuous printed paper according to a set printing breadth, and the second moving blade 4 is matched with the second fixed blade 7 to cut off a blank breadth in the longitudinal direction of the printed paper.

Preferably, the first fixed blade 5 and the second fixed blade 7 are respectively installed on the first fixed blade seat 6 and the second fixed blade seat 8, two ends of the first fixed blade seat 6 and the second fixed blade seat 8 are respectively installed on the wall plate 16, and two ends of the first knife roller 1 and two ends of the second knife roller 2 are rotatably supported by the wall plate 16.

Preferably, a guide plate 9 is arranged between the first knife roll 1 and the second knife roll 2, one side of the guide plate 9 facing the first knife roll 1 is provided with a bending guide portion 901 bent downwards, the feed end of the bending guide portion 901 is lower than the highest point of the outer circumference of the first knife roll 1, and the discharge end of the bending guide portion 901 is higher than the highest point of the outer circumference of the second knife roll 2.

Preferably, a paper feeding conveying mechanism 10 is arranged in front of the feeding end of the first knife roller 1, a conveying table 11 is arranged at the discharging end of the second knife roller 2 in a connecting manner, and a plurality of conveying rollers 15 are arranged on the conveying table 11.

Preferably, a waste collecting box 12 is arranged below the discharge end of the second knife roller 2.

The invention provides a roll paper cutting mechanism which is connected at the discharge end of a printing unit, when printed paper is output by the printing unit and is conveyed to a first knife roller 1 and a second knife roller 2 through a paper feed conveying mechanism 10, at the moment, the first knife roller 1 rotates a first movable blade 3 away from a first fixed blade 5 under the drive of a first servo motor 13, the paper passes through a gap between the first movable blade 3 and the first knife roller 1 to advance, when the head of the paper reaches a position between a second movable blade 4 and a second fixed blade 7, the second knife roller 2 drives the second movable blade 4 to rotate through the edge of the second fixed blade 7 under the drive of a second servo motor 14 to cut off blank paper at the front end in the longitudinal direction of a printing breadth, then, the second servo motor 14 drives the second movable blade 4 to continue to rotate to the position in front of the second fixed blade 7 to pause, the cut waste material falls into a waste collecting box 12, and finished paper passes through a gap between the second fixed blade 7 and the second knife roller 2 to reach a conveying platform 11, and is conveyed to advance continuously by the roller 15 on the conveying platform 11; when the tail end of the front printing breadth reaches a position between the first movable blade 3 and the first fixed blade 5, the first knife roller 1 drives the first movable blade 3 to rotate through the first fixed blade 5 under the driving of the first servo motor 13 so as to cut off continuous paper to form single paper; in this way, the finished product cut into single sheets is output by the conveying platform 11, the subsequent continuous paper is conveyed by the paper feeding conveying mechanism 10 to continue to advance, the blank part at the front end of the paper is cut off by the second movable blade 4 and the second fixed blade 7 in a matching way, so that the printed paper can be continuously and synchronously cut into single sheets and the blank between the printed breadth is cut off, the production efficiency is high, and the production processes are reduced

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roll paper cutting mechanism which characterized in that: comprises a first knife roller (1) and a second knife roller (2) which are arranged in sequence along the advancing direction of paper, the first knife roll (1) and the second knife roll (2) are respectively provided with a first movable blade (3) and a second movable blade (4), a first fixed blade (5) and a second fixed blade (7) which are matched with the first movable blade (3) and the second movable blade (4) are respectively arranged above the first knife roller (1) and the second knife roller (2), the first knife roller (1) is connected with an output shaft of a first servo motor (13), the second knife roller (2) is connected with an output shaft of a second servo motor (14), the first movable blade (3) and the first fixed blade (5) are matched for cutting off the continuous printed paper according to the set printing breadth, the second movable blade (4) and the second fixed blade (7) are matched for cutting off a blank breadth of the printed paper in the longitudinal direction.

2. The web cutting mechanism according to claim 1, wherein: first stationary blade (5) with second stationary blade (7) are installed respectively on first stationary blade seat (6) and second stationary blade seat (8), first stationary blade seat (6) with second stationary blade seat (8) both ends are installed respectively on wallboard (16), first rotor (1) with second rotor (2) both ends by wallboard (16) rotate the support.

3. A web cutting mechanism as claimed in claim 1 or 2, wherein: a guide plate (9) is arranged between the first knife roll (1) and the second knife roll (2), one side of the guide plate (9) facing the first knife roll (1) is provided with a bending guide part (901) which is bent downwards, the feeding end of the bending guide part (901) is lower than the highest point of the outer circumference of the first knife roll (1), and the discharging end of the bending guide part (901) is higher than the highest point of the outer circumference of the second knife roll (2).

4. The web cutting mechanism according to claim 1, wherein: a paper feeding conveying mechanism (10) is arranged in front of the feeding end of the first knife roll (1), the discharging end of the second knife roll (2) is connected with a conveying table (11), and a plurality of conveying rollers (15) are arranged on the conveying table (11).

5. The web cutting mechanism according to claim 4, wherein: a waste collecting box (12) is arranged below the discharge end of the second knife roll (2).