CN211808401U - Paper anti-falling device for printing machine - Google Patents

Abstract

The utility model discloses an anti-dropping device for paper used in a printing machine, which relates to the technical field of printing machines. In order to solve the problem that when the existing printing machine is printing, the paper will move on a conveying mechanism due to other factors such as wind force due to no device fixing. and drop, thereby affecting subsequent printing jobs. The top of the transmission mechanism is provided with a base, the bottom surface of the base is provided with a rolling wheel, the base is rotatably connected to the transmission mechanism through the rolling wheel, and eight rolling wheels are provided, and the upper surface of the base is provided with a mounting seat, so The interior of the mounting seat is fixedly connected with a fixing seat, a hydraulic cylinder is installed on the front end surface of the fixing seat, a first connecting rod is fixedly connected to one end of the hydraulic rod of the hydraulic cylinder, and one end of the hydraulic cylinder is located at the end of the fixing seat. One side is connected with a moving plate, the rear end surface of the moving plate and the first connecting rod are rotatably connected through a pin shaft, and there are two first connecting rods.

Description

A kind of paper anti-drop device for printing press

technical field

The utility model relates to the technical field of printing machines, in particular to an anti-dropping device for paper used in printing machines.

Background technique

Modern printing machines are generally composed of plates, inking, embossing, paper feeding and other mechanisms. Its working principle is: first, the text and images to be printed are made into printing plates, installed on the printing machine, and then manually or by the printing machine. The ink is applied to the place where the text and images are on the printing plate, and then directly or indirectly transferred to the paper or other substrate to reproduce the same print as the printing plate.

When the existing printing press is printing, because the paper is not fixed by the device, the paper will move and fall on the conveying mechanism due to other factors such as wind, thus affecting the subsequent printing work; therefore, it does not meet the existing demand, and we A paper drop prevention device for a printing press is proposed.

Utility model content

The purpose of this utility model is to provide a paper anti-dropping device for a printing press, so as to solve the problem that when the existing printing press proposed in the above-mentioned background art is printing, the paper is not fixed by the device and will cause the paper to be in the conveying mechanism due to other factors such as wind force. The problem of moving and falling on, thus affecting subsequent printing jobs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a paper anti-dropping device for a printing press, comprising a transmission mechanism, a base is arranged above the transmission mechanism, and a scroll wheel is arranged on the bottom surface of the base, and the base passes through the transmission mechanism. The rolling wheel is rotatably connected with the transmission mechanism, and there are eight rolling wheels. The upper surface of the base is provided with a mounting seat, the interior of the mounting seat is fixedly connected with a fixed seat, and a hydraulic cylinder is installed on the front end surface of the fixed seat. One end of the hydraulic rod of the hydraulic cylinder is fixedly connected with a first connecting rod, one end of the hydraulic cylinder is connected with a moving plate on the side of the fixed seat, and the rear end surface of the moving plate and the first connecting rod pass through a pin shaft Rotationally connected, and there are two first connecting rods, one end of the first connecting rod away from the hydraulic cylinder is provided with a first movable sleeve, and one end of the two first connecting rods away from the hydraulic cylinder is connected with the first movable sleeve. Through the rotational connection of the pin shaft, the inside of the first movable sleeve is fixedly provided with an active rod, the active rod and the fixed seat are rotatably connected through a bearing, the outer wall of the active rod and the fixed plate are rotatably connected through a bearing, and the active rod is rotatably connected. One end extends to the outside of the fixed plate, the fixed plate is fixedly connected to the fixed seat through the fixed rod, the outer wall of one end of the active rod away from the fixed seat is fixedly provided with a second movable sleeve, and a second movable sleeve is fixed on the outer wall of the front end surface of the second movable sleeve. The side and the second connecting rod are rotatably connected by a pin shaft, and one side of the rear end surface of the second movable sleeve is provided with a third connecting rod, and the third connecting rod and the second movable sleeve are rotatably connected through a pin shaft, and the fixed plate A first fixing column is fixed above the front end surface, a second fixing column is arranged below the first fixing column, a third movable sleeve is rotatably connected to the outer wall of the first fixing column, and the third movable sleeve is One side of the front end surface of the second connecting rod is rotatably connected to the second connecting rod through a pin shaft, a fourth movable sleeve is rotatably connected to the outer wall of the second fixed column, and one side of the rear end surface of the fourth movable sleeve is connected to the third connecting rod. The first clamping block is fixedly connected to one end of the third movable sleeve through the rotational connection of the pin shaft, and the second clamping block is fixedly connected to one end of the fourth movable sleeve.

Preferably, sponge pads are provided on the opposite inner walls of the first clamping block and the second clamping block.

Preferably, the upper surface of the fixed seat is provided with a support seat.

Preferably, an inner wall of one side of the fixing plate is provided with a placement groove.

Preferably, the rear end surface of the moving plate is provided with a sliding block, the sliding block is fixedly connected with the moving plate, and there are two sliding blocks.

Preferably, the front end surface of the fixed seat is provided with a sliding groove, and there are two sliding grooves, and both of the sliding grooves are slidably connected with the sliding block.

Compared with the prior art, the beneficial effects of the present utility model are:

In the utility model, by activating the hydraulic cylinder, the hydraulic cylinder drives the hydraulic rod to expand and contract so as to drive the moving plate to move upward. When the moving plate moves upward, the first connecting rod on the moving plate also moves upward. The sleeve is fixedly connected by the pin, so the first link will push the first movable sleeve to rotate counterclockwise. When the first movable sleeve rotates counterclockwise, since the first movable sleeve is fixedly connected with the active rod, the active rod will also follow the Rotate counterclockwise, when the active rod rotates counterclockwise, the second movable sleeve will also rotate counterclockwise. When the second movable sleeve rotates counterclockwise, the second connecting rod on the side of the second movable sleeve moves down, so that the first The second link drives the third movable sleeve to rotate counterclockwise on the first fixed column, and the first clamping block on the other side of the third movable sleeve is upward. When the first movable sleeve rotates counterclockwise, the other The third connecting rod on the side moves upward, thereby driving the fourth movable sleeve to rotate clockwise on the second fixed column, so that the second clamping block on one side of the fourth movable sleeve is downward, so that the first clamping block and the second clamping block are moved downward. The second clamping block is in an open state, and then the paper is neatly placed between the placement slots, and then the hydraulic cylinder is closed, the hydraulic shaft is retracted, and the first clamping block and the second clamping block are clamped to each other, thereby fixing the paper. , to prevent the paper from moving and falling from the conveying mechanism due to other factors such as wind force when the printing press is printing, because the paper is not fixed by the device, which will affect the subsequent printing work. By setting the sponge pad, the first clamping block and the second clamping block can be avoided. The clamping block presses the paper out of the clamp, which affects the appearance.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the side view structure schematic diagram of the utility model;

FIG. 3 is a schematic diagram of the structure of the fixed seat of the present invention;

4 is a schematic diagram of a partially enlarged structure at place A of the present utility model;

In the figure: 1. Transmission mechanism; 2. Base; 3. Rolling wheel; 4. Mounting seat; 5. Fixed seat; 6. Hydraulic cylinder; 7. Moving plate; 8. First connecting rod; 9. First movable sleeve ; 10, active rod; 11, fixed plate; 12, the second movable sleeve; 13, the second connecting rod; 14, the third movable sleeve; 15, the first clamping block; 16, the third connecting rod; 17, the first Four movable sleeves; 18, the second clamping block; 19, the sponge pad; 20, the support seat; 21, the placement groove; 22, the sliding block; 23, the sliding groove; 24, the fixed rod; 25, the first fixed column; 26 , the second fixed column.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Please refer to FIGS. 1-4 , an embodiment provided by the present invention: a paper anti-dropping device for a printing press, comprising a conveying mechanism 1 , a base 2 is arranged above the conveying mechanism 1 , and the bottom surface of the base 2 is provided with rolling Wheel 3, the base 2 is rotatably connected with the transmission mechanism 1 through the rolling wheel 3, and the rolling wheel 3 is provided with eight, the upper surface of the base 2 is provided with a mounting seat 4, and the interior of the mounting seat 4 is fixedly connected with a fixed seat 5, the fixed seat A hydraulic cylinder 6 is installed on the front end surface of the The end surface is connected with the first connecting rod 8 through a pin shaft, and by setting the moving plate 7, only one hydraulic cylinder 6 can move the two first connecting rods 8, thereby saving costs, and the first connecting rod 8 is provided with Two, one end of the first connecting rod 8 away from the hydraulic cylinder 6 is provided with a first movable sleeve 9, and one end of the two first connecting rods 8 away from the hydraulic cylinder 6 is connected with the first movable sleeve 9 through a pin shaft. An active rod 10 is fixed inside the movable sleeve 9, the active rod 10 and the fixed seat 5 are rotatably connected through a bearing, the outer wall of the active rod 10 and the fixed plate 11 are rotatably connected through a bearing, and one end of the active rod 10 extends to the end of the fixed plate 11. Externally, the fixed plate 11 is fixedly connected with the fixed seat 5 through the fixed rod 24, the outer wall of the end of the active rod 10 away from the fixed seat 5 is fixedly provided with a second movable sleeve 12, and one side of the front end of the second movable sleeve 12 is connected to the second movable sleeve 12. The rod 13 is rotatably connected by a pin shaft, a third connecting rod 16 is provided on one side of the rear end surface of the second movable sleeve 12, and the third connecting rod 16 and the second movable sleeve 12 are rotatably connected by a pin shaft. A first fixing column 25 is fixedly arranged above, a second fixing column 26 is arranged below the first fixing column 25 , a third movable sleeve 14 is rotatably connected to the outer wall of the first fixing column 25 , and the front end surface of the third movable sleeve 14 One side of the second connecting rod 13 is rotatably connected with the second connecting rod 13 through the pin shaft, the outer wall of the second fixing column 26 is rotatably connected with a fourth movable sleeve 17, and one side of the rear end surface of the fourth movable sleeve 17 is connected with the third connecting rod 16 through a pin One end of the third movable sleeve 14 is fixedly connected with the first clamping block 15, and one end of the fourth movable sleeve 17 is fixedly connected with the second clamping block 18, through the first clamping block 15 and the second clamping block The blocks 18 are clamped to each other to fix the paper, preventing the paper from moving and falling on the conveying mechanism 1 due to wind force and other factors when the printing press is printing, because the paper is not fixed by the device, which affects the subsequent printing work.

Further, the inner walls of the first clamping block 15 and the second clamping block 18 opposite to each other are provided with sponge pads 19. By setting the sponge pads 19, the paper can be prevented from being clamped and fixed by the first clamping block 15 and the second clamping block 18. When the paper is pressed, it will cause embossing on the paper, which will affect the appearance.

Further, the upper surface of the fixed seat 5 is provided with a support seat 20. After printing, the hydraulic cylinder 6 is opened, and the first clamping block 15 and the second clamping block 18 are loosened, so that when the printed paper is taken out, the slot 21 is placed. The paper inside is supported by the support base 20 to prevent the paper from falling.

Further, the inner wall of one side of the fixing plate 11 is provided with a placement slot 21 . When starting the printing work, the paper is placed in the placement slot 21 , and then the paper is fixed by the first clamping block 15 and the second clamping block 18 .

Further, the rear end surface of the moving plate 7 is provided with a sliding block 22, the sliding block 22 is fixedly connected with the moving plate 7, and two sliding blocks 22 are provided. , to improve the stability of the sliding cooperation between the moving plate 7 and the sliding groove 23 .

Further, the front end surface of the fixed seat 5 is provided with sliding grooves 23, and two sliding grooves 23 are provided. Both sliding grooves 23 are slidably connected with the sliding block 22. The plate 7 moves more smoothly on the fixed seat 5 .

Working principle: When in use, the hydraulic cylinder 6 is activated, and the hydraulic cylinder 6 drives the hydraulic rod to expand and contract to drive the moving plate 7 to move upward. When the moving plate 7 moves upward, the first link 8 on the moving plate 7 also moves upward. The first connecting rod 8 is fixedly connected with the first movable sleeve 9 through the pin shaft, so the first connecting rod 8 will push the first movable sleeve 9 to rotate counterclockwise. 9 is fixedly connected with the active rod 10, so the active rod 10 also rotates counterclockwise. When the active rod 10 rotates counterclockwise, the second movable sleeve 12 also rotates counterclockwise, and the second movable sleeve 12 rotates counterclockwise. , the second connecting rod 13 on the side of the second movable sleeve 12 moves downward, so that the second connecting rod 13 drives the third movable sleeve 14 to rotate counterclockwise on the first fixed column 25 , and the third movable sleeve 14 rotates counterclockwise. The first clamping block 15 on one side is upward, and when the first movable sleeve 9 rotates counterclockwise, the third connecting rod 16 on the other side of the first movable sleeve 9 moves upward, thereby driving the fourth movable sleeve 17 on the second fixed column. 26 is rotated clockwise, so that the second clamping block 18 on the side of the fourth movable sleeve 17 is downward, so that the first clamping block 15 and the second clamping block 18 are in an open state, and then the paper is neatly placed on the Place between the grooves 21, then close the hydraulic cylinder 6, the hydraulic shaft retracts, the first clamping block 15 and the second clamping block 18 clamp each other, thereby fixing the paper, and then the roller 3 is used to place the device on the conveying mechanism. 1 to move up to perform printing, open the hydraulic cylinder 6 after printing, release the first clamping block 15 and the second clamping block 18, so that the printed paper is taken out, and then the paper in the placing slot 21 is supported by the support seat 20, After taking out the printed paper, close the hydraulic cylinder 6 to continue the printing work.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. A printing machine is with paper anti falling device, includes transport mechanism (1), its characterized in that: a base (2) is arranged above the conveying mechanism (1), rolling wheels (3) are arranged on the bottom surface of the base (2), the base (2) is rotatably connected with the conveying mechanism (1) through the rolling wheels (3), eight rolling wheels (3) are arranged, a mounting seat (4) is arranged on the upper surface of the base (2), a fixing seat (5) is fixedly connected inside the mounting seat (4), a hydraulic cylinder (6) is installed on the front end face of the fixing seat (5), a first connecting rod (8) is fixedly connected to one end of a hydraulic rod of the hydraulic cylinder (6), a movable plate (7) is connected to one end of the hydraulic cylinder (6) and one side of the hydraulic cylinder (6) located on the fixing seat (5), the rear end face of the movable plate (7) is rotatably connected with the first connecting rod (8) through a pin shaft, two first connecting rods (8) are arranged, a first movable sleeve (9) is arranged at one end, far away from the hydraulic cylinder (6), of, one end of the first connecting rod (8) far away from the hydraulic cylinder (6) is rotatably connected with the first movable sleeve (9) through a pin shaft, a driving rod (10) is fixedly arranged inside the first movable sleeve (9), the driving rod (10) is rotatably connected with the fixed seat (5) through a bearing, the outer wall of the driving rod (10) is rotatably connected with the fixed plate (11) through a bearing, one end of the driving rod (10) extends to the outside of the fixed plate (11), the fixed plate (11) is fixedly connected with the fixed seat (5) through a fixed rod (24), a second movable sleeve (12) is fixedly arranged on the outer wall of one end of the driving rod (10) far away from the fixed seat (5), one side of the front end face of the second movable sleeve (12) is rotatably connected with the second connecting rod (13) through a pin shaft, and a third connecting rod (16) is arranged on one side of the rear end face of the second movable sleeve (12), the third connecting rod (16) is rotationally connected with the second movable sleeve (12) through a pin shaft, a first fixing column (25) is fixedly arranged above the front end face of the fixed plate (11), a second fixed column (26) is arranged below the first fixed column (25), a third movable sleeve (14) is rotatably connected to the outer wall of the first fixed column (25), one side of the front end surface of the third movable sleeve (14) is rotationally connected with the second connecting rod (13) through a pin shaft, a fourth movable sleeve (17) is rotatably connected on the outer wall of the second fixed column (26), one side of the rear end surface of the fourth movable sleeve (17) is rotationally connected with the third connecting rod (16) through a pin shaft, one end of the third movable sleeve (14) is fixedly connected with a first clamping block (15), one end of the fourth movable sleeve (17) is fixedly connected with a second clamping block (18).

2. A printing press sheet drop prevention device according to claim 1, characterized in that: sponge pads (19) are arranged on the inner walls of the first clamping block (15) and the second clamping block (18) which face each other.

3. A printing press sheet drop prevention device according to claim 1, characterized in that: the upper surface of the fixed seat (5) is provided with a supporting seat (20).

4. A printing press sheet drop prevention device according to claim 1, characterized in that: a placing groove (21) is arranged on the inner wall of one side of the fixing plate (11).

5. A printing press sheet drop prevention device according to claim 1, characterized in that: the rear end face of moving plate (7) is provided with sliding block (22), sliding block (22) and moving plate (7) fixed connection, and sliding block (22) are provided with two.

6. A printing press sheet drop prevention device according to claim 1, characterized in that: sliding tray (23) have been seted up to the preceding terminal surface of fixing base (5), and sliding tray (23) are provided with two, two sliding tray (23) all with sliding block (22) sliding connection.

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