Paper feeding mechanism of printing machine

Abstract

The paper feeding mechanism of the printing machine comprises a bottom box, a fixing box is installed on the outer wall of the top of the bottom box through bolts, a plurality of fixing shafts are rotationally connected to the interior of the fixing box through bearings, a conveying cylinder is in key connection with the outer wall of one side of each fixing shaft, and a rubber ring is connected to the outer portion of each conveying cylinder in a sleeved mode. The outer wall of one end of each fixing shaft is in key connection with a connecting chain wheel, the connecting chain wheels are located on the outer wall of one side of the fixing box, a driven chain wheel is integrally formed on the outer wall of one side of one connecting chain wheel, and connecting openings are formed in the outer walls of the two sides of the fixing box; according to the paper conveying device, through the arranged connecting chain wheel, the fixing shafts can synchronously rotate in the using process, so that the conveying cylinder and the rubber ring can synchronously rotate, and when paper is conveyed, the situation that the paper is stretched and the surface of the paper is damaged due to the fact that the rotating speeds of the fixing shafts are different can be prevented; and the paper conveying effect is reduced.

Description

Technical Field

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

[0002] Printing usually requires large-scale production to meet the needs of a large number of readers. Printing plants use professional equipment and processes to efficiently complete a large number of printing tasks. In order to improve the continuity of printing, a paper feed mechanism is required to transport paper to the inside of the printing press.

[0003] In the current prior art, when the paper feeding mechanism of a printing press is working, the paper is easily stretched due to the different rotation speeds between the conveying rollers, resulting in wrinkles or damage on the surface of the paper, thereby reducing the paper conveying effect. Therefore, it is necessary to design a paper feeding mechanism of a printing press to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a paper feeding mechanism of a printing press to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paper feeding mechanism of a printing press, comprising a bottom box, a fixed box is installed on the top outer wall of the bottom box by bolts, and a plurality of fixed shafts are rotatably connected to the interior of the fixed box by bearings, a conveying cylinder is keyed on the outer wall of one side of the fixed shaft, and a rubber ring is sleeved on the outside of the conveying cylinder, a connecting sprocket is keyed on the outer wall of one end of the fixed shaft, and the connecting sprocket is located on the outer wall of one side of the fixed box, a driven sprocket is integrally formed on the outer wall of one side of the connecting sprocket, connecting ports are opened on the outer walls of both sides of the fixed box, and guide plates are welded on the outer wall of one side of the connecting port, and limiting plates are installed on the outer walls of both sides of the guide plate by bolts.

[0006] Preferably, a maintenance opening is opened on one side outer wall of the bottom box, and a driving motor is installed inside the maintenance opening by bolts.

[0007] Preferably, the output end of the driving motor is key-connected with a driving sprocket, and the driving sprocket and the driven sprocket are externally sleeved with a transmission chain.

[0008] Preferably, a sealing plate is provided inside the maintenance port, and fixing bolts are provided on an outer wall on one side of the sealing plate.

[0009] Preferably, support legs are welded to the bottom outer walls of the bottom box near the four corners, and rubber pads are bonded to the bottom outer walls of the support legs.

[0010] Preferably, a protective shell is sleeved on one side outer wall of the bottom box and the fixed box, and the protective shell is sleeved on the outside of the driving sprocket and the driven sprocket.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model can make the fixed shaft rotate synchronously during use by setting the connecting sprocket, so that the conveying cylinder and the rubber ring can rotate synchronously. When conveying paper, it can prevent the paper from being stretched due to the different rotation speeds between the fixed shafts, causing damage to the paper surface and reducing the effect of paper conveying.

[0013] 2. The utility model provides a protective shell, which can protect the transmission chain, the driven sprocket, the driving sprocket and pedestrians during use, thereby increasing the service life of the mechanism and improving the safety of the staff when using it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a side structural schematic diagram of the bottom box and the fixed box of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the fixed shaft and the conveying cylinder of the utility model;

[0017] In the figure: 1. bottom box; 2. fixed box; 3. fixed shaft; 4. conveying cylinder; 5. rubber ring; 6. connecting sprocket; 7. connecting port; 8. guide plate; 9. limit plate; 10. driven sprocket; 11. maintenance port; 12. driving sprocket; 13. transmission chain; 14. sealing plate; 15. fixing bolt; 16. supporting leg; 17. rubber pad; 18. protective shell. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example 1: Please refer to Figures 1 to 3The utility model provides a technical solution: a paper feeding mechanism of a printing press, comprising a bottom box 1, a fixed box 2 is installed on the top outer wall of the bottom box 1 by bolts, and the interior of the fixed box 2 is rotatably connected with a plurality of fixed shafts 3 through bearings, a conveying cylinder 4 is keyed on the outer wall of one side of the fixed shaft 3, and a rubber ring 5 is sleeved on the outside of the conveying cylinder 4, a connecting sprocket 6 is keyed on the outer wall of one end of the fixed shaft 3, and the connecting sprocket 6 is located on the outer wall of one side of the fixed box 2, a driven sprocket 10 is integrally formed on the outer wall of one side of the connecting sprocket 6, connecting ports 7 are opened on the outer walls of both sides of the fixed box 2, and guide plates 8 are welded on the outer wall of one side of the connecting port 7, and limit plates 9 are installed on the outer walls of both sides of the guide plate 8 by bolts.

[0020] From the above description, it can be seen that the utility model has the following beneficial effects: by setting the connecting sprocket 6, the fixed shaft 3 can be rotated synchronously during use, so that the conveying tube 4 and the rubber ring 5 can be rotated synchronously, and when conveying paper, it can prevent the fixed shaft 3 from being stretched due to the different rotation speeds, causing damage to the paper surface and reducing the effect of paper conveying.

[0021] Example 2: Please refer to Figures 1 to 3 As shown, on the basis of the first embodiment, the utility model provides a technical solution: a maintenance opening 11 is opened on the outer wall of one side of the bottom box 1, and a driving motor is installed inside the maintenance opening 11 by bolts; the output end of the driving motor is keyed to a driving sprocket 12, and the driving sprocket 12 is used to drive the driven sprocket 10 to rotate when in use, and a transmission chain 13 is sleeved on the outside of the driving sprocket 12 and the driven sprocket 10.

[0022] For further information, see Figures 1 to 3 A sealing plate 14 is provided inside the maintenance port 11, and fixing bolts 15 are provided on the outer wall of one side of the sealing plate 14; support legs 16 are welded near the four corners of the bottom outer wall of the bottom box 1, and the support legs 16 are used to support the bottom box 1, and rubber pads 17 are bonded to the bottom outer walls of the support legs 16.

[0023] For further information, see Figures 1 to 3 A protective shell 18 is sleeved on one side outer wall of the bottom box 1 and the fixed box 2. The protective shell 18 is used to protect the transmission components and the staff, and the protective shell 18 is sleeved on the outside of the driving sprocket 12 and the driven sprocket 10.

[0024] By adopting the above technical solution, the protective shell 18 is set up to protect the transmission chain 13, the driven sprocket 10, the driving sprocket 12 and pedestrians during use, thereby increasing the service life of the mechanism and improving the safety of workers when using it.

[0025] The working principle and use process of the utility model are as follows: during use, the staff first places the paper on the top outer wall of the guide plate 8, and the guide plate 8 and the limit plate 9 can guide the paper, and then the output end of the driving motor is rotated to drive the active sprocket 12 to rotate, and during the rotation of the active sprocket 12, the driven sprocket 10 can be driven to rotate through the transmission chain 13, and during the rotation of the driven sprocket 10, the fixed shaft 3 can be driven to rotate synchronously, and during the synchronous rotation of the fixed shaft 3, the conveying cylinder 4 and the rubber ring 5 can be rotated synchronously, so that the paper can be moved at a uniform speed inside the fixed box 2, which can reduce the stretching of the paper, reduce the wrinkles of the paper, and improve the conveying effect of the paper.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A paper feeding mechanism of a printing press, comprising a bottom box (1), characterized in that: A fixed box (2) is mounted on the top outer wall of the bottom box (1) by bolts, and a plurality of fixed shafts (3) are rotatably connected inside the fixed box (2) by bearings, a conveying cylinder (4) is keyed on the outer wall of one side of the fixed shaft (3), and a rubber ring (5) is sleeved on the outside of the conveying cylinder (4), a connecting sprocket (6) is keyed on the outer wall of one end of the fixed shaft (3), and the connecting sprocket (6) is located on the outer wall of one side of the fixed box (2), a driven sprocket (10) is integrally formed on the outer wall of one side of the connecting sprocket (6), connecting ports (7) are opened on the outer walls of both sides of the fixed box (2), and guide plates (8) are welded on the outer walls of one side of the connecting ports (7), and limit plates (9) are mounted on the outer walls of both sides of the guide plates (8) by bolts.

2. The paper feeding mechanism of a printing press according to claim 1, characterized in that: A maintenance opening (11) is provided on one side outer wall of the bottom box (1), and a driving motor is installed inside the maintenance opening (11) via bolts.

3. The paper feeding mechanism of a printing press according to claim 2, characterized in that: The output end of the driving motor is key-connected to a driving sprocket (12), and the driving sprocket (12) and the driven sprocket (10) are sleeved with a transmission chain (13) on their exteriors.

4. The paper feeding mechanism of a printing press according to claim 3, characterized in that: A sealing plate (14) is provided inside the maintenance opening (11), and fixing bolts (15) are provided on an outer wall on one side of the sealing plate (14).

5. The paper feeding mechanism of a printing press according to claim 1, characterized in that: Support legs (16) are welded to the bottom outer wall of the bottom box (1) near the four corners, and rubber pads (17) are bonded to the bottom outer walls of the support legs (16).

6. The paper feeding mechanism of a printing press according to claim 3, characterized in that: A protective shell (18) is sleeved on one side outer wall of the bottom box (1) and the fixed box (2), and the protective shell (18) is sleeved on the outside of the driving sprocket (12) and the driven sprocket (10).

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