Auxiliary paper feeding mechanism of printing machine

Abstract

The utility model belongs to the technical field of printing machines, particularly relates to an auxiliary paper feeding mechanism of a printing machine, and aims to solve the problems that in the prior art, common paper is printed by adopting a feeder head to separate and convey paper and taking up one piece of paper through negative-pressure air suction, but when thin paper, particularly Chinese art paper, is used, the negative-pressure air suction often takes up a plurality of pieces of paper through negative-pressure air suction. According to the technical scheme, the paper separating and conveying device comprises a printing machine device, a feeding device and a conveying device, the material guiding plate is installed at an inlet of the printing machine equipment, a hanging rod is installed on the top of the printing machine equipment, a connecting rod is installed on one side of the hanging rod, and a fixing frame is connected to the connecting rod in a sliding mode. The paper feeding device is simple in structure, convenient to use, capable of conveniently blowing, sucking and feeding single paper, capable of preventing paper from being sucked, capable of reducing the failure rate of paper feeding and convenient for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of printing presses, in particular to an auxiliary paper feeding mechanism of a printing press. Background Art

[0002] Printing on thin paper, particularly Xuan paper, has long been challenging due to its exceptional softness and high water absorption. Domestically produced Xuan paper products are primarily hand-printed or thickened machine-made. Chinese printing, one of the four great inventions of the ancient Han Chinese working people, has evolved over thousands of years. It began with woodblock printing in the Sui Dynasty and was further developed and perfected by Bi Sheng in the Song Dynasty, resulting in movable type printing. Xuan paper is a traditional Chinese paper. During the Ming and Qing Dynasties, large quantities of thread-bound books were printed by hand. With the development of modern social science, the texture of Xuan paper, combined with the profound cultural values ​​it carries, has become unmatched by other papers. While offset lithography and rotary printing have enabled large-scale book and periodical production, the thinness and softness of Xuan paper have made it difficult to industrialize on modern printing machinery. In the existing technology, when screen printing is used on Xuan paper, it can only be done by manual paper feeding, with large printing dots, low clarity, and low efficiency. When printing on an offset printing machine or a rotary printing machine, stickers are used, and each piece is pasted on thick paper for printing. This is time-consuming, labor-intensive, and material-intensive, with high costs, and is far from achieving the actual effect of Xuan paper.

[0003] In the prior art, for printing on ordinary paper, a feeder head is used to separate and transport the paper, and a piece of paper is lifted up by negative pressure suction for printing. However, when using thin paper, especially rice paper, negative pressure suction often lifts up multiple sheets of paper, causing the feeder head to fail to separate and transport the paper. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the prior art, when printing ordinary paper, a feeder head is used to separate and transport the paper, and a piece of paper is lifted up by negative pressure suction for printing. However, when thin paper, especially rice paper, is used, the negative pressure suction often lifts up multiple sheets of paper, resulting in failure in the paper separation and transportation using the feeder head. An auxiliary paper feeding mechanism of a printing press is proposed.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An auxiliary paper feeding mechanism of a printing press, comprising:

[0007] printing press equipment;

[0008] A material guide plate is installed at the inlet of the printing press equipment, a hanging rod is installed on the top of the printing press equipment, a connecting rod is installed on one side of the hanging rod, a fixing bracket is slidably connected to the connecting rod, a mounting seat is fixedly installed on the bottom of the fixing bracket, an air outlet is installed at the bottom of the mounting seat, two air guide pipes are installed on one side of the mounting seat, and the two air guide pipes are respectively for air inlet and air outlet, an air outlet is installed on the other side of the mounting seat, a wind shield is installed on the bottom of the mounting seat, and a suction and blowing nozzle structure is installed on one side of the printing press equipment;

[0009] The shaking mechanism is installed at the bottom of the material guide plate and cooperates with the air blowing port.

[0010] Furthermore, a mounting rod is fixedly mounted on the bottom of the mounting seat, and two symmetrically arranged paper pressing rods are fixedly mounted on the bottom end of the mounting rod, and the paper pressing rods cooperate with the material guide plate.

[0011] Furthermore, the shaking mechanism includes a push rod, which is slidably mounted on the material guide plate, and two fixed seats are fixedly mounted on the bottom of the material guide plate, and the same rotating rod is rotatably connected between the two fixed seats, and a motor is fixedly mounted on one of the two fixed seats, and the output shaft of the motor is fixedly connected to the rotating rod, and the rotating rod is transmission-connected to the push rod.

[0012] Furthermore, a cam is fixedly mounted on one end of the rotating rod, and the cam cooperates with the push rod.

[0013] Furthermore, a sliding hole is provided on the material guide plate, the push rod is slidably connected to the sliding hole, and limiting grooves are provided on the inner walls on both sides of the sliding hole. A limiting block is slidably connected in the limiting groove, the limiting block is fixedly connected to the push rod, and a limiting spring is fixedly installed on the top of the limiting block, and the top of the limiting spring is fixedly connected to the inner wall of the limiting groove.

[0014] Furthermore, a screw rod is rotatably connected to the inner side of the fixing frame, and the screw rod is threadedly connected to the connecting rod.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) This solution is provided with an air blowing port and an air outlet, and the paper pressing rod acts to blow the paper, thereby performing suction and blowing loading;

[0017] (2) In this solution, the cam and the push rod cooperate with each other, and the limit spring and the limit block have a reset effect on the push rod, so that the rotating rod can drive the push rod to push the paper, making the paper loose and easy to blow.

[0018] The utility model has a simple structure and is easy to use, can facilitate the blowing and suction feeding of single sheets of paper, and can also prevent adsorption between sheets of paper, thereby reducing the failure rate of paper feeding and being convenient for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of an auxiliary paper feeding mechanism of a printing press proposed by the utility model;

[0020] Figure 2 This is a side structural diagram of a fixing frame of an auxiliary paper feeding mechanism of a printing press proposed by the present invention;

[0021] Figure 3 This is a structural schematic diagram of part A of an auxiliary paper feeding mechanism of a printing press proposed by the present invention.

[0022] In the figure: 1. Printing machine equipment; 2. Material guide plate; 3. Hanging rod; 4. Connecting rod; 5. Fixed frame; 6. Mounting seat; 7. Mounting rod; 8. Paper pressing rod; 9. Air blowing port; 10. Air guide tube; 11. Wind shield; 12. Air outlet; 13. Suction and blowing nozzle structure; 14. Screw; 15. Push rod; 16. Sliding hole; 17. Limiting slot; 18. Limiting block; 19. Limiting spring; 20. Fixed seat; 21. Motor; 22. Cam. DETAILED DESCRIPTION

[0023] The technical solution of this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, rather than all the embodiments.

[0024] Example 1

[0025] Reference Figure 1-Figure 3 , an auxiliary paper feeding mechanism of a printing press, comprising:

[0026] Printing press equipment 1;

[0027] The guide plate 2 is installed at the inlet of the printing machine 1. A hanging rod 3 is installed on the top of the printing machine 1. A connecting rod 4 is installed on one side of the hanging rod 3. A fixing frame 5 is slidably connected to the connecting rod 4. A mounting seat 6 is fixedly installed at the bottom of the fixing frame 5. An air outlet 9 is installed at the bottom of the mounting seat 6. Two air guide tubes 10 are installed on one side of the mounting seat 6. The two air guide tubes 10 are respectively for air inlet and air outlet. An air outlet 12 is installed on the other side of the mounting seat 6. A windshield 11 is installed at the bottom of the mounting seat 6. A suction and blowing nozzle structure 13 is installed on one side of the printing machine 1;

[0028] The shaking mechanism is installed at the bottom of the guide plate 2 and cooperates with the air blowing port 9.

[0029] In this embodiment, a mounting rod 7 is fixedly installed at the bottom of the mounting seat 6, and two symmetrically arranged paper pressing rods 8 are fixedly installed at the bottom end of the mounting rod 7. The paper pressing rods 8 cooperate with the material guide plate 2. The setting of the paper pressing rods 8 can facilitate pressing the paper to prevent it from becoming loose and messy.

[0030] In this embodiment, the shaking mechanism includes a push rod 15, which is slidably mounted on the guide plate 2. Two fixed seats 20 are fixedly mounted on the bottom of the guide plate 2. The two fixed seats 20 are rotatably connected with the same rotating rod. A motor 21 is fixedly mounted on one of the two fixed seats 20. The output shaft of the motor 21 is fixedly connected to the rotating rod, and the rotating rod is transmission-connected to the push rod 15. A cam 22 is fixedly mounted on one end of the rotating rod. The cam 22 cooperates with the push rod 15. The output shaft of the motor 21 drives the rotating rod to rotate. The rotating rod can drive the push rod 15 to move through the cooperation between the cam 22 and the push rod 15, thereby loosening the stacked paper.

[0031] In this embodiment, a sliding hole 16 is provided on the guide plate 2, and the push rod 15 is slidably connected to the sliding hole 16. A limiting groove 17 is provided on the inner walls on both sides of the sliding hole 16. A limiting block 18 is slidably connected in the limiting groove 17. The limiting block 18 is fixedly connected to the push rod 15. A limiting spring 19 is fixedly installed on the top of the limiting block 18. The top of the limiting spring 19 is fixedly connected to the inner wall of the limiting groove 17. The setting of the limiting block 18 and the limiting spring 19 can facilitate the resetting of the push rod 15, thereby facilitating the push rod 15 to move up and down.

[0032] In this embodiment, a screw rod 14 is rotatably connected to the inner side of the fixing frame 5 , and the screw rod 14 is threadedly connected to the connecting rod 4 . The screw rod 14 is threadedly connected to the connecting rod 4 , so that the rotating screw rod 14 can drive the fixing frame 5 to move up and down.

[0033] Working principle: when working, the stacked papers are placed on the guide plate 2, and the upper papers can be blown through the blowing port 9 and the air outlet 12, and the papers are adsorbed into the printing machine equipment 1 through the suction and blowing nozzle structure 13. At the same time, the motor 21 switch is started, and the output shaft of the motor 21 drives the rotating rod to rotate. The rotating rod cooperates with the push rod 15 through the cam 22, so as to drive the push rod 15 to move, and then the stacked papers can be loosened. The setting of the limit block 18 and the limit spring 19 can facilitate the resetting of the push rod 15, so as to facilitate the movement of the push rod 15 up and down. The screw 14 is connected to the connecting rod 4 through a thread, so that the rotating screw 14 can drive the fixing frame 5 to rise and fall.

[0034] Example 2

[0035] The difference between this embodiment and embodiment 1 is that a counter is set at the bottom of the mounting seat 6. The setting of the counter can facilitate counting the used paper, thereby facilitating resource saving and flow opening. All structures in this application can be selected in terms of material and length according to actual usage. The accompanying drawings are all schematic structural diagrams, and the specific actual dimensions can be appropriately adjusted.

[0036] The above is only a preferred specific implementation method of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with this technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, and they should be covered by the protection scope of this embodiment.

Claims

1. An auxiliary paper feeding mechanism of a printing press, characterized in that: include: Printing equipment (1); A material guide plate (2) is installed at the inlet of the printing machine (1); a hanging rod (3) is installed on the top of the printing machine (1); a connecting rod (4) is installed on one side of the hanging rod (3); a fixing frame (5) is slidably connected to the connecting rod (4); a mounting seat (6) is fixedly installed at the bottom of the fixing frame (5); a blowing port (9) is installed at the bottom of the mounting seat (6); two air guide pipes (10) are installed on one side of the mounting seat (6); the two air guide pipes (10) are respectively for air inlet and air outlet; an air outlet (12) is installed on the other side of the mounting seat (6); a wind shield (11) is installed at the bottom of the mounting seat (6); and a suction and blowing nozzle structure (13) is installed on one side of the printing machine (1); The shaking mechanism is installed at the bottom of the material guide plate (2) and cooperates with the air blowing port (9).

2. The auxiliary paper feeding mechanism of a printing press according to claim 1, characterized in that: A mounting rod (7) is fixedly mounted on the bottom of the mounting seat (6), and two symmetrically arranged paper pressing rods (8) are fixedly mounted on the bottom end of the mounting rod (7), and the paper pressing rods (8) cooperate with the material guide plate (2).

3. The auxiliary paper feeding mechanism of a printing press according to claim 1, characterized in that: The shaking mechanism comprises a push rod (15), the push rod (15) is slidably mounted on the material guide plate (2), two fixed seats (20) are fixedly mounted on the bottom of the material guide plate (2), a same rotating rod is rotatably connected between the two fixed seats (20), a motor (21) is fixedly mounted on one of the two fixed seats (20), an output shaft of the motor (21) is fixedly connected to the rotating rod, and the rotating rod is transmission-connected to the push rod (15).

4. The auxiliary paper feeding mechanism of a printing press according to claim 3, characterized in that: A cam (22) is fixedly mounted on one end of the rotating rod, and the cam (22) and the push rod (15) cooperate with each other.

5. The auxiliary paper feeding mechanism of a printing press according to claim 4, characterized in that: The guide plate (2) is provided with a sliding hole (16), the push rod (15) is slidably connected to the sliding hole (16), and limiting grooves (17) are provided on the inner walls on both sides of the sliding hole (16), a limiting block (18) is slidably connected in the limiting groove (17), the limiting block (18) is fixedly connected to the push rod (15), a limiting spring (19) is fixedly installed on the top of the limiting block (18), and the top end of the limiting spring (19) is fixedly connected to the inner wall of the limiting groove (17).

6. The auxiliary paper feeding mechanism of a printing press according to claim 1, characterized in that: A screw rod (14) is rotatably connected to the inner side of the fixing frame (5), and the screw rod (14) is threadedly connected to the connecting rod (4).

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