Paper pressing device for printing machine
By introducing a combined structure of hydraulic rod, gear rod, rotary rod and servo motor into the paper pressing device for printing press, the offset and limit problems during paper loading are solved, and the stability and accuracy of paper are achieved.
Patent Information
- Application Number
- CN202421056467.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The paper pressing device used in existing printing presses can easily lead to paper offset when loading, and it is impossible to effectively limit paper of different sizes.
A paper pressing device including a hydraulic rod, a gear rod, a rotary rod and a servo motor is designed. Through the telescopic structure of the hydraulic rod and the adjustment of the gear lever, the limit of papers of different sizes is achieved; the rotating rod and pressing roll prevent the paper from floating and offsetting on the conveyor belt.
It effectively prevents paper from being offset during loading, ensures the stability and accuracy of paper, and is suitable for paper of different sizes.
Smart Images
Figure CN222498007U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paper printing, in particular to a paper pressing device for a printing machine. Background Art
[0002] In the field of paper printing technology, the paper pressing device will press the paper against the printing cylinder or printing plate to prevent the paper from shaking or shifting during the printing process. At the same time, the paper pressing device can also provide a certain amount of pressure and friction to enable the ink to be evenly transferred to the paper, improving the printing effect.
[0003] A paper pressing device for a printing press can stably fix paper at a corresponding position of the printing press during the printing process, so that the paper can be better fed to the corresponding position, prevent the paper from moving or shaking during the printing process, and ensure the accuracy and stability of printing, so as to achieve the desired effect.
[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. When the paper pressing device is loading the printing press, when the air suction port sucks the paper onto the conveyor belt, the paper is sucked up and put down by the air suction port, and the paper floats briefly and is prone to deviation on the conveyor belt; 2. When the paper pressing device is placing papers of different sizes, because there are no levers on both sides of the paper pressing device, the paper cannot be limited, and the paper is prone to deviation when loading. Utility Model Content
[0005] The utility model aims to provide a paper pressing device for a printing press, so as to solve the problems in the above background technology that the paper is easily offset during feeding and the paper of different sizes cannot be limited. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a paper pressing device for a printing machine comprises a body, a body base is installed at the bottom of the body, a hydraulic rod is installed at the middle part of the upper end of the body base, the upper end of the hydraulic rod is attached to a placing table, the upper end of the placing table is provided with a gear rod, the upper end of the gear rod is attached to a telescopic rod, a servo motor is installed on one side of the body, a gear is attached to one side of the servo motor, a rotating rod is connected to one side of the gear, a clamp is installed on one side of the rotating rod, a pressing roller is installed on one end of the clamp, a slide rail is installed on the rear side of the bottom of the body, a moving block is provided inside the slide rail, an air port base is installed on one side of the moving block, an air cylinder is installed on the bottom of the air port base, an air suction port is attached to the bottom of the air cylinder, a pressing base is installed on the front side of the bottom of the body, a pneumatic rod is connected to the bottom of the pressing base, and a pressing head is attached to the bottom of the pneumatic rod.
[0006] Further preferably, the placement table forms a telescopic structure through a machine body base and a hydraulic rod.
[0007] Further preferably, the gear bars are installed symmetrically about the transverse center line of the placement table.
[0008] Further preferably, the pressing roller forms a rotating structure through a rotating rod.
[0009] Further preferably, the air intake port forms a sliding structure through cooperation between a slide rail and a moving block.
[0010] Further preferably, the pressing heads are installed symmetrically about a transverse center line of the pressing base.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] In the utility model, by adding a pressing roller and a rotating rod, when the suction port sucks the paper for loading, when the suction places the paper on the conveyor belt, the rotating rod will rotate the pressing roller, and the pressing roller will press the paper on the conveyor belt to prevent the paper from floating and deviating when the suction port places the paper.
[0013] In the utility model, by adding a shift lever, when pressing papers of different sizes, the shift lever can be moved, and the papers of different sizes can be limited, so as to prevent the papers from being offset and misplaced when pressing during feeding. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0016] Figure 3 This is a rear view structural diagram of the utility model;
[0017] In the figure: 1. machine body; 2. machine body base; 3. hydraulic rod; 4. placing table; 5. gear lever; 6. telescopic rod; 7. servo motor; 8. gear; 9. rotating rod; 10. clamp; 11. pressing roller; 12. slide rail; 13. moving block; 14. air port base; 15. air cylinder; 16. air inlet; 17. pressing base; 18. pneumatic rod; 19. pressing head. 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 technical personnel in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figures 1 to 3 The utility model provides a technical solution: a paper pressing device for a printing machine, comprising a machine body 1, a machine base 2 is installed at the bottom of the machine body 1, a hydraulic rod 3 is installed at the middle of the upper end of the machine base 2, a placing table 4 is attached to the upper end of the hydraulic rod 3, a gear 5 is provided at the upper end of the placing table 4, a telescopic rod 6 is attached to the upper end of the gear 5, a servo motor 7 is installed on one side of the machine body 1, a gear 8 is attached to one side of the servo motor 7, a rotating rod 9 is connected to one side of the gear 8, and a rotating rod 9 is installed on one side of the rotating rod 9 A clamper 10 is installed, a pressing roller 11 is installed at one end of the clamper 10, a slide rail 12 is installed on the bottom rear side of the body 1, a moving block 13 is provided inside the slide rail 12, an air port base 14 is installed on one side of the moving block 13, an air cylinder 15 is installed at the bottom of the air port base 14, an air inlet 16 is attached to the bottom of the air cylinder 15, a pressing base 17 is installed on the bottom front side of the body 1, a pneumatic rod 18 is connected to the bottom of the pressing base 17, and a pressing head 19 is attached to the bottom of the pneumatic rod 18.
[0020] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the placement table 4 forms a telescopic structure through the body base 2 and the hydraulic rod 3; by installing the hydraulic rod 3 at the bottom of the placement table 4, the paper pressing device is used to feed the printing machine, and the hydraulic rod 3 is telescopic to lift the placement table 4 to prevent the situation that the paper cannot be loaded due to being too high during loading.
[0021] In this embodiment, Figure 1 and Figure 2 As shown, the levers 5 are installed symmetrically about the transverse center line of the placement table 4; by installing the levers 5 on the upper end of the placement table 4, when the paper pressing device presses papers of different sizes, the levers 5 are adjusted to limit the positions of papers of different sizes, thereby preventing the papers from being offset during loading.
[0022] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the pressing roller 11 forms a rotating structure through the rotating rod 9; by installing the pressing roller 11 on one side of the rotating rod 9, when the suction port 16 sucks up the paper and places it on the conveyor belt, the rotating rod 9 rotates the pressing roller 11 to press the paper on the conveyor belt to prevent it from floating and deviating when placed.
[0023] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the air intake port 16 forms a sliding structure through the cooperation of the slide rail 12 and the moving block 13; by installing the air intake port 16 at the bottom of the slide rail 12, the air intake port 16 sucks up the paper during loading, and then slides through the moving block 13 to place the paper on the conveyor belt for loading.
[0024] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the pressing heads 19 are installed symmetrically about the horizontal center line of the pressing base 17; by installing the pressing head 19 at the bottom of the pressing base 17, the pressing head 19 can press downward when the suction port 16 sucks the paper, pressing the second paper to prevent the second paper from being taken away by the first paper.
[0025] The use method and advantages of the utility model: When the paper pressing device is used, the working process is as follows:
[0026] like Figure 1 , Figure 2 and Figure 3 As shown, first place the paper on the placement table 4, then adjust the lever 5 on the placement table 4 to limit the paper of different sizes on the placement table 4 to prevent deviation when pressing, then the hydraulic rod 3 will lift the placement table 4, the suction port 16 will suck up the paper, and then the suction port 16 will slide on the slide rail 12 through the moving block 13 to place the paper on the feeding conveyor belt, the rotating rod 9 will rotate, driving the pressing roller 11 to rotate, pressing the paper on the conveyor belt to prevent the paper from floating and deviating when placed, and then the pneumatic rod 18 will drive the pressing head 19 to extend and retract, so that the pressing head 19 presses downward to press the second paper to prevent the second paper from being taken away when the first paper is sucked up by the suction port 16.
[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A paper pressing device for a printing press, comprising a body (1), characterized in that: The bottom of the machine body (1) is provided with a machine base (2), the middle part of the upper end of the machine base (2) is provided with a hydraulic rod (3), the upper end of the hydraulic rod (3) is attached to a placement table (4), the upper end of the placement table (4) is provided with a gear (5), the upper end of the gear (5) is attached to a telescopic rod (6), a servo motor (7) is provided on one side of the machine body (1), a gear (8) is attached to one side of the servo motor (7), a rotating rod (9) is connected to one side of the gear (8), a clamp (10) is provided on one side of the rotating rod (9), and the clamp (10) is provided on one side of the clamp (10). ) is installed with a pressing roller (11) at one end, a slide rail (12) is installed at the rear side of the bottom of the body (1), a moving block (13) is provided inside the slide rail (12), an air outlet base (14) is installed on one side of the moving block (13), an air cylinder (15) is installed at the bottom of the air outlet base (14), an air inlet (16) is attached to the bottom of the air cylinder (15), a pressing base (17) is installed at the front side of the bottom of the body (1), a pneumatic rod (18) is connected to the bottom of the pressing base (17), and a pressing head (19) is attached to the bottom of the pneumatic rod (18).
2. A paper pressing device for a printing press according to claim 1, characterized in that: The placement platform (4) forms a telescopic structure through a machine body base (2) and a hydraulic rod (3).
3. The paper pressing device for a printing press according to claim 1, characterized in that: The gear bars (5) are symmetrically installed with respect to the transverse center line of the placement platform (4).
4. The paper pressing device for a printing press according to claim 1, characterized in that: The pressing roller (11) forms a rotating structure through a rotating rod (9).
5. The paper pressing device for a printing press according to claim 1, characterized in that: The air intake port (16) forms a sliding structure through the cooperation of the slide rail (12) and the moving block (13).
6. The paper pressing device for a printing press according to claim 1, characterized in that: The pressing heads (19) are symmetrically installed about the transverse center line of the pressing base (17).