CN215755392U

CN215755392U - Lithography apparatus with paper flattening structure

Info

Publication number: CN215755392U
Application number: CN202122326470.5U
Authority: CN
Inventors: 张启东
Original assignee: Guangzhou Xusheng Printing Co ltd
Current assignee: Guangzhou Xusheng Printing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-08
Anticipated expiration: 2031-09-24

Abstract

The utility model belongs to the technical field of printing, and particularly relates to printing equipment with a paper leveling structure, which comprises a first fixing plate, a second fixing plate and a paper leveling mechanism, wherein the first fixing plate is fixed on the first fixing plate; a group of supporting legs is fixedly connected to the bottom end of the first fixing plate; a conveyor belt is arranged on the first fixing plate; a second fixing plate is fixedly connected to the side wall of the first fixing plate; the second fixing plate is fixedly connected with a motor; the output end of the motor is provided with a first rotating shaft; the first rotating shaft penetrates through the second fixing plate and is fixedly connected with a rotating column; the outer side wall of the rotating column is connected with a group of arc plates through a telescopic assembly; the side ends of the two sides of the arc-shaped plate are fixedly connected with third fixing plates; a leveling roller is fixedly connected between the third fixing plates through a second rotating shaft; the utility model provides a printing device with a paper leveling structure, which aims to solve the problem that printing quality is affected because paper is fed inwards in a production process of a printing machine, but wrinkles are easy to appear in the feeding process due to the nature of the paper.

Description

Lithography apparatus with paper flattening structure

Technical Field

The utility model belongs to the technical field of printing, and particularly relates to printing equipment with a paper leveling structure.

Background

Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, etc.

In the prior art, a printing machine feeds paper inwards in the production process, but due to the nature of the paper, wrinkles are easy to appear in the feeding process, so that the printing quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that paper is fed inwards in the production process of a printing machine, but the printing quality is affected because the paper is easily wrinkled in the feeding process due to the nature of the paper, the utility model provides the printing equipment with the paper leveling structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a printing device with a paper leveling structure, which comprises a first fixing plate; a group of supporting legs is fixedly connected to the bottom end of the first fixing plate; a conveyor belt is arranged on the first fixing plate; a second fixing plate is fixedly connected to the side wall of the first fixing plate; the second fixing plate is fixedly connected with a motor; the output end of the motor is provided with a first rotating shaft; the first rotating shaft penetrates through the second fixing plate and is fixedly connected with a rotating column; the outer side wall of the rotating column is connected with a group of arc plates through a telescopic assembly; the side ends of the two sides of the arc-shaped plate are fixedly connected with third fixing plates; a leveling roller is fixedly connected between the third fixing plates through a second rotating shaft; the rotation direction of motor is opposite with the direction of delivery of conveyer belt, and when the leveling roller contacted through rotating around rotating the post and paper, can carry out the opposite direction promotion of paper to carrying when the pressfitting to the paper this moment, and then had the driving force when flattening to the paper, can effectually avoid the paper fold condition to appear, and then improve printing quality.

Preferably, the telescopic assembly comprises a first fixing column; one end of the first fixing column is fixedly connected to the outer side wall of the rotating column, and the other end of the first fixing column is provided with a first groove; a second fixing column is connected in the first groove in a sliding manner; one end of the second fixing column is fixedly connected to the bottom of the first groove through a spring, and the other end of the second fixing column is fixedly connected to the arc-shaped plate; can be suitable for the paper of different thickness through flexible subassembly, increase equipment's application range.

Preferably, the cross section of the first groove is square; the section of the second fixed column is square; the outer side wall of the second fixing column is attached to the inner side wall of the first groove; the second fixing column is prevented from rotating in the first groove.

Preferably, a first cavity is formed in the arc-shaped plate; a group of air inlets are formed in the side wall of the first cavity close to the leveling roller; the first cavity is communicated with the outside through an air inlet; a pair of exhaust fans symmetrically distributed about the second fixed column is fixedly connected to the side wall, close to the second fixed column, of the arc-shaped plate; the exhaust fan is communicated with the first cavity through a communicating pipe; can carry out the dust absorption to leveling roller surface, guarantee the clean and tidy nature on leveling roller surface.

Preferably, a group of cleaning brushes is fixedly connected to the side wall of the arc-shaped plate close to the leveling roller; the cleaning brush is made of a soft brush; the cleaning brush and the air inlet are arranged in a staggered manner; the cleaning brush can remove impurities firmly adhered to the outer surface of the leveling roller due to pressing, and the cleaning force of the leveling roller is increased.

Preferably, a group of second cavities is formed in the leveling roller; a group of arc-shaped blocks which are uniformly arranged is fixedly connected to the inner wall of the second cavity; a gravity ball is arranged in the second cavity; not only can increase the pressfitting flattening effect to the paper, can also improve the self-cleaning ability of flattening roller.

The utility model has the following beneficial effects:

1. according to the printing equipment with the paper flattening structure, the rotating direction of the motor is opposite to the conveying direction of the conveying belt, when the flattening roller rotates around the rotating column to be in contact with paper, the paper is pressed and pushed in the opposite conveying direction at the same time, and then the paper is flattened and has a pushing force, so that the phenomenon that the paper is wrinkled can be effectively avoided, and the printing quality is improved.

2. According to the printing equipment with the paper leveling structure, when the leveling roller rotates around the second rotating shaft, the gravity ball is always positioned at the lowest end of the second cavity under the action of gravity of the gravity ball, and the gravity ball and the arc blocks collide with each other due to the fact that the group of arc blocks are fixedly connected to the inner wall of the second cavity, so that the leveling roller can be vibrated, the pressing and leveling effects on paper can be improved, and the self-cleaning capability of the leveling roller can be improved.

Drawings

The utility model will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a view from the direction B of FIG. 3;

FIG. 5 is a cross-sectional view of a leveling roll;

FIG. 6 is a drawing of the second embodiment;

in the figure: 1. a first fixing plate; 11. a support leg; 12. a conveyor belt; 13. a second fixing plate; 14. an electric motor; 15. rotating the column; 16. an arc-shaped plate; 17. a third fixing plate; 18. a leveling roller; 2. a first fixed column; 21. a first groove; 22. a second fixed column; 23. a first cavity; 24. an air inlet; 25. an exhaust fan; 26. cleaning a brush; 27. a second cavity; 28. an arc-shaped block; 29. a gravity ball; 3. a rubber layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 5, a printing apparatus with a paper flattening structure according to the present invention includes a first fixing plate 1; a group of supporting legs 11 are fixedly connected to the bottom end of the first fixing plate 1; a conveyor belt 12 is arranged on the first fixing plate 1; a second fixing plate 13 is fixedly connected to the side wall of the first fixing plate 1; a motor 14 is fixedly connected to the second fixing plate 13; the output end of the motor 14 is provided with a first rotating shaft; the first rotating shaft penetrates through the second fixing plate 13 and is fixedly connected with a rotating column 15; the outer side wall of the rotating column 15 is connected with a group of arc-shaped plates 16 through a telescopic assembly; the side ends of the two sides of the arc-shaped plate 16 are fixedly connected with third fixing plates 17; a leveling roller 18 is fixedly connected between the third fixing plates 17 through a second rotating shaft; in the prior art, paper is fed inwards in the production process of a printing machine, but due to the nature of the paper, wrinkles are easy to appear in the feeding process, and the printing quality is influenced, therefore, when the printing machine works, the conveying belt 12 is arranged on the first fixing plate 1, the paper is placed on the conveying belt 12, the paper is conveyed into the feeding port of the printing machine through the conveying belt 12, when the conveying belt 12 conveys the paper, the motor 14 is started, the motor 14 drives the rotating column 15 to rotate through the first rotating shaft, the rotating column 15 drives the arc-shaped plate 16 to rotate through the telescopic assembly, the arc-shaped plate 16 drives the leveling roller 18 to rotate around the rotating column 15, because the rotating direction of the motor 14 is opposite to the conveying direction of the conveying belt 12, when the leveling roller 18 rotates around the rotating column 15 to contact with the paper, the paper is pressed and simultaneously pushed towards the opposite conveying direction, and then have the motive force when flattening to the paper, can effectually avoid the paper fold condition to appear, and then improve printing quality.

The telescopic assembly comprises a first fixing column 2; one end of the first fixing column 2 is fixedly connected to the outer side wall of the rotating column 15, and the other end of the first fixing column is provided with a first groove 21; a second fixing column 22 is connected in the first groove 21 in a sliding manner; one end of the second fixing column 22 is fixedly connected to the bottom of the first groove 21 through a spring, and the other end of the second fixing column is fixedly connected to the arc-shaped plate 16; during operation, when leveling roller 18 and paper contacted, the paper can drive leveling roller 18 to rotate around the second axis of rotation this moment, and leveling roller 18 rotates around rotation post 15 simultaneously, can promote second fixed column 22 to the removal of first recess 21 tank bottom direction this moment, and then increase the pressfitting power to the paper in the promotion process, and can be suitable for the paper of different thickness through flexible subassembly, increase equipment's application range.

The cross section of the first groove 21 is square; the section of the second fixing column 22 is square; the outer side wall of the second fixing column 22 is attached to the inner side wall of the first groove 21; in the working process, when guaranteeing that the second fixing column 22 moves to the bottom of the first groove 21, the arc plate 16 cannot rotate, the cross section of the second fixing column 22 and the first groove 21 is square, and the second fixing column 22 is prevented from rotating in the first groove 21 while the second fixing column 22 is guided.

A first cavity 23 is formed in the arc-shaped plate 16; a group of air inlet holes 24 are formed in the side wall of the first cavity 23 close to the leveling roller 18; the first cavity 23 is communicated with the outside through an air inlet hole 24; a pair of exhaust fans 25 symmetrically distributed about the second fixing column 22 are fixedly connected to the side wall of the arc-shaped plate 16 close to the second fixing column 22; the exhaust fan 25 is communicated with the first cavity 23 through a communicating pipe; when the leveling roller 18 is in contact with a paper sheet in work, the exhaust fan 25 is started at the moment, air is sucked into the first cavity 23 through the air inlet hole 24 by wind power, the outer surface of the leveling roller 18 can be subjected to dust absorption, and the surface tidiness of the leveling roller 18 is guaranteed.

A group of sweeping brushes 26 are fixedly connected to the side wall of the arc-shaped plate 16 close to the leveling roller 18; the cleaning brush 26 is made of a soft brush; the sweeping hairbrush 26 and the air inlet 24 are arranged in a staggered manner; when the leveling roll 18 rotates around the second rotation axis, the cleaning brush 26 cleans the leveling roll 18, and the cleaning brush 26 removes the impurities firmly adhered to the outer surface of the leveling roll 18 due to the press-fit, thereby increasing the cleaning force of the leveling roll 18.

A group of second cavities 27 are formed inside the leveling roller 18; a group of arc-shaped blocks 28 which are uniformly arranged are fixedly connected to the inner wall of the second cavity 27; a gravity ball 29 is arranged in the second cavity 27; when the leveling roller 18 rotates around the second rotating shaft, the gravity ball 29 is always positioned at the lowest end of the second cavity 27 under the action of gravity of the gravity ball 29, and the gravity ball 29 collides with the arc blocks 28 because the inner wall of the second cavity 27 is fixedly connected with the arc blocks 28, so that the leveling roller 18 can be vibrated, the pressing and leveling effects on paper can be improved, and the self-cleaning capability of the leveling roller 18 can be improved.

Example two:

as shown in fig. 6, in a first comparative example, as another embodiment of the present invention, a rubber layer 3 is fixed to the bottom end of the leg 11; during operation, there is rubber layer 3 at 11 bottom rigid couplings of landing leg, and rubber layer 3 has the absorbent function of certain buffering, can effectually avoid external environment to its interference, guarantees leveling roller 18's flattening effect, and then keeps the printing quality of printing machine.

The working principle is as follows: a conveyor belt 12 is arranged on the first fixing plate 1, paper is placed on the conveyor belt 12, the paper is conveyed into a feeding port of the printing machine through the conveyor belt 12, when the conveyor belt 12 conveys paper, the motor 14 is started, the motor 14 drives the rotating column 15 to rotate through the first rotating shaft, the rotating column 15 drives the arc-shaped plate 16 to rotate through the telescopic assembly, the arc-shaped plate 16 drives the leveling roller 18 to rotate around the rotating column 15, because the rotating direction of the motor 14 is opposite to the conveying direction of the conveyor belt 12, when the leveling roller 18 comes into contact with the paper, the paper will drive the leveling roller 18 to rotate about the second rotational axis, meanwhile, the leveling roller 18 rotates around the rotating column 15, the second fixing column 22 is pushed to move towards the bottom of the first groove 21, the paper is pushed to the opposite direction of conveying while being pressed, and therefore the paper is flattened and has a pushing force; when the leveling roll 18 rotates around the second rotation axis, the cleaning brush 26 cleans the leveling roll 18, and the cleaning brush 26 can remove impurities firmly adhered to the outer surface of the leveling roll 18 due to pressing by using the wind power of the exhaust fan 25; when the leveling roller 18 rotates around the second rotating shaft, at this time, because of the gravity action of the gravity ball 29, the gravity ball 29 is always located at the lowest end of the second cavity 27, and because the inner wall of the second cavity 27 is fixedly connected with the group of arc-shaped blocks 28, the gravity ball 29 collides with the arc-shaped blocks 28, the leveling roller 18 can be vibrated, the pressing and leveling effects on paper can be increased, and the self-cleaning capability of the leveling roller 18 can be improved.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A printing apparatus with a paper flattening structure, characterized by comprising a first fixing plate (1); a group of supporting legs (11) are fixedly connected to the bottom end of the first fixing plate (1); a conveyor belt (12) is arranged on the first fixing plate (1); a second fixing plate (13) is fixedly connected to the side wall of the first fixing plate (1); a motor (14) is fixedly connected to the second fixing plate (13); the output end of the motor (14) is provided with a first rotating shaft; the first rotating shaft penetrates through the second fixing plate (13) and is fixedly connected with a rotating column (15); the outer side wall of the rotating column (15) is connected with a group of arc-shaped plates (16) through a telescopic assembly; the side ends of the two sides of the arc-shaped plate (16) are fixedly connected with third fixing plates (17); and a leveling roller (18) is fixedly connected between the third fixing plates (17) through a second rotating shaft.

2. A printing apparatus with a sheet levelling structure according to claim 1, characterized in that the telescopic assembly comprises a first fixed column (2); one end of the first fixing column (2) is fixedly connected to the outer side wall of the rotating column (15), and the other end of the first fixing column is provided with a first groove (21); a second fixing column (22) is connected in the first groove (21) in a sliding manner; one end of the second fixing column (22) is fixedly connected to the bottom of the first groove (21) through a spring, and the other end of the second fixing column is fixedly connected to the arc-shaped plate (16).

3. A printing apparatus with a sheet smoothing structure according to claim 2, wherein the first recess (21) has a square cross section; the cross section of the second fixing column (22) is square; the outer side wall of the second fixing column (22) is attached to the inner side wall of the first groove (21).

4. A printing apparatus with a sheet smoothing structure according to claim 3, wherein said curved plate (16) has a first cavity (23) formed therein; a group of air inlet holes (24) are formed in the side wall of the first cavity (23) close to the leveling roller (18); the first cavity (23) is communicated with the outside through an air inlet hole (24); a pair of exhaust fans (25) which are symmetrically distributed relative to the second fixing column (22) are fixedly connected to the side wall, close to the second fixing column (22), of the arc-shaped plate (16); the exhaust fan (25) is communicated with the first cavity (23) through a communicating pipe.

5. A printing apparatus with a sheet smoothing structure according to claim 4, wherein a set of sweeping brushes (26) is fixed to the side wall of the curved plate (16) close to the smoothing roll (18); the cleaning brush (26) is made of a soft brush; the sweeping hairbrush (26) and the air inlet hole (24) are arranged in a staggered mode.

6. A printing apparatus with a sheet smoothing structure according to claim 5, wherein the smoothing roller (18) has a set of second cavities (27) defined therein; a group of arc blocks (28) which are uniformly arranged are fixedly connected to the inner wall of the second cavity (27); a gravity ball (29) is arranged in the second cavity (27).