Paper auxiliary pressing mechanism for printing machine

By designing a paper-assisted pressing mechanism on the printing press, the problem of dust and fiber impurities on the paper surface affecting the smoothness of paper feeding is solved by using fixing components and pressing components. This achieves stable paper pressing and cleaning, and improves the quality of printed products.

CN223702015UActive Publication Date: 2025-12-23SHANGHAI SEAVIEW PRINTING CO LTD
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Patent Information

Application Number
CN202520256860.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-23
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The paper feeding mechanism of existing printing presses lacks a cleaning mechanism, which causes dust and fiber impurities on the paper surface to easily adhere to the paper feeding rollers, affecting the pressing and paper feeding smoothness.

Method used

A paper-assisted pressing mechanism was designed, comprising a fixing component and a pressing component. The fixing component is connected to a connecting rod via a clamp and a clamping groove. The pressing component uses a pressing wheel and a brush wheel to press the paper and clean the paper surface, respectively. The pressing plate and the brush wheel are made of nitrile rubber to improve wear resistance and cleaning effect.

Benefits of technology

It achieves stable paper compression and cleaning, improves the smoothness of paper feeding and the quality of printed materials, eliminates static electricity on the paper surface, and maintains the stability of the paper.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of printing equipment, and discloses an auxiliary paper pressing mechanism for a printing machine, which comprises a base, a driving shaft is arranged in the center of the base, a driving belt is arranged on the outer side of the driving shaft, and a placing plate is fixedly connected to the center of the base. According to the auxiliary paper pressing mechanism for the printing machine, when the pressing force is adjusted, a pressing bolt is rotated to move along an adjusting sleeve, an inserting rod is inserted into an adjusting hole, the bottom of the pressing bolt makes contact with a pressing piece, the downward pressing force of the pressing piece is increased along with the penetration of the pressing bolt, the pressing force of a pressing wheel on paper is improved, and the paper pressing force is adjusted. The pressing wheel presses the paper on the driving belt, the second pressing assembly and the first pressing assembly are in the same adjusting mode, the pressing force of the brush wheel is adjusted, the brush wheel can clean the surface of the paper, meanwhile, static electricity on the surface of the paper can be eliminated, the stability of the paper and the quality of printed matter can be kept, and the paper conveying fluency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, concretely is a paper auxiliary compression mechanism for printing machine. BACKGROUND

[0002] The printing machine is usually composed of plate mounting, ink coating, impression and paper feeding mechanism, and its working principle is that the printing plate of text and image to be printed is prepared first, then the printing plate is installed on the printing machine, then the printing machine coats the ink on the part of text and image on the printing plate, finally the ink is directly or indirectly transferred to the paper or other printing materials, thereby copying the same printing product as the printing plate.

[0003] The utility model discloses a paper feeding mechanism of printing machine, the paper feeding mechanism of printing machine has the advantages of adapting to different specifications paper, improves the paper suction effect, but the paper feeding mechanism of printing machine does not set up the cleaning mechanism that cooperates with the fixing part, can not clean the dust, fiber and other impurities on the surface of paper, and the surface of paper feeding roller is easy to adsorb dust fiber and other impurities after long -term use, thereby influence compression and paper feeding fluency. SUMMARY

[0004] The utility model discloses a paper auxiliary compression mechanism for printing machine, which effectively solves the problems in the prior art.

[0005] The utility model employs the technical scheme that a paper auxiliary compression mechanism for printing machine, including the base, the base center is provided with the drive shaft, the drive shaft outside is provided with the drive belt, the base center is fixedly connected with the placing plate, the base upper end is fixedly connected with the support, the support inner side is fixedly connected with the connecting rod, the connecting rod below is provided with the mounting rod, the mounting rod outside is provided with the fixed assembly, the compression assembly no. 1 and the compression assembly no. 2, the compression assembly no. 1 right side is provided with the compression wheel, the compression assembly no. 2 right side is provided with the brush wheel.

[0006] The fixed assembly includes a clamp seat, a clamp groove, a fixed sleeve, a connecting frame, a top pipe, a hand screw bolt and a compression piece, the clamp seat upper end is provided with the clamp groove, the clamp seat front end is provided with the fixed sleeve, the fixed sleeve upper end is fixedly connected with the connecting frame, the connecting frame rear end is fixedly connected with the top pipe, the top pipe upper end is provided with the hand screw bolt, and the hand screw bolt lower end is fixedly connected with the compression piece.

[0007] Preferably, the hand screw bolt and the top pipe are threadedly connected, and the clamp groove is matched with the connecting rod.

[0008] By the technical scheme, the two fixing assemblies are installed at two ends of the mounting rod when the mounting rod and the connecting rod are assembled, the mounting rod is inserted into the clamping seat and the fixed sleeve, the clamping groove is combined with the connecting rod, and the hand screw bolt is rotated until the pressing piece and the clamping groove lock the connecting rod, so that the installation mode is simple and the transverse position of the mounting rod on the connecting rod is convenient to adjust.

[0009] Preferably, the mounting rod is fixedly connected with the connecting rod through the fixing assembly, and the pressing piece is made of nitrile rubber.

[0010] By the technical scheme, the pressing piece is made of nitrile rubber, has strong wear resistance and long service life.

[0011] Preferably, the pressing assembly one comprises a pipe seat, a connecting block, a rotating rod, a pressing piece, an adjusting hole, a hand screw bolt two, an adjusting sleeve, a pressing bolt and a plug rod, the connecting block is fixedly connected to the right side of the pipe seat, the rotating rod is fixedly connected to the lower end of the connecting block, the pressing piece is rotatably connected to the outer side of the rotating rod, the adjusting hole is formed in the upper end of the pressing piece, the pipe seat is provided with the hand screw bolt two at the upper end, the pipe seat is provided with the adjusting sleeve at the right side, the pressing bolt is threadedly connected to the upper end of the adjusting sleeve, and the plug rod is arranged at the lower end of the pressing bolt.

[0012] By the technical scheme, the pressing assembly one is arranged, the pressing force can be adjusted, the paper is pressed when the paper is conveyed, and the smoothness of paper conveying is improved.

[0013] Preferably, the rear end of the pressing piece is rotatably connected with a pressing wheel, the pressing bolt corresponds to the adjusting hole, and the adjusting hole is matched with the plug rod.

[0014] By the technical scheme, when the pressing force is adjusted, the pressing bolt is moved along the adjusting sleeve by rotating the pressing bolt, the plug rod is inserted into the adjusting hole, the bottom of the pressing bolt is in contact with the pressing piece, the pressing force of the pressing piece increases downward with the deepening of the pressing bolt, the pressing force of the pressing wheel on the paper is improved, and the pressing wheel presses the paper on the driving belt, which is very practical.

[0015] Preferably, the pipe seat and the mounting rod are in sliding connection, and the hand screw bolt two and the pipe seat are in threaded connection.

[0016] By the technical scheme, the pipe seat is arranged, the pipe seat and the mounting rod are in sliding connection when the pressing assembly one is installed, the hand screw bolt two locks the mounting rod after the mounting rod is rotated to the appropriate position, so that the pressing assembly one and the mounting rod are locked, and the installation speed is fast.

[0017] Preferably, the pressing assembly two is symmetrical to the pressing assembly one in structure, the brush wheel is arranged in front of the pressing wheel, and the pressing wheel corresponds to the driving belt.

[0018] Through the technical scheme, the pressing assembly two is arranged, and has the same adjusting mode as the pressing assembly one to adjust the pressing force of the brush wheel, the brush wheel can clean the surface of the paper, remove dust, fibers and other impurities, and can help eliminate static electricity on the surface of the paper, and help maintain the stability of the paper and the quality of the printed matter.

[0019] Compared with the prior art, the paper auxiliary pressing mechanism for the printing machine has the following beneficial effects:

[0020] 1. The paper auxiliary pressing mechanism for the printing machine is provided with a fixing assembly, two fixing assemblies are installed at both ends of the mounting rod when the mounting rod and the connecting rod are assembled, the mounting rod is inserted into the clamping seat and the fixed tube sleeve, the clamping groove and the connecting rod are adaptively combined, the hand screw bolt is rotated until the pressing piece and the clamping groove lock the connecting rod, and the mounting mode is simple and the transverse position of the mounting rod on the connecting rod is convenient to adjust.

[0021] 2. The paper auxiliary pressing mechanism for the printing machine is provided with a pressing assembly one, when the pressing force is adjusted, the pressing bolt is rotated to move along the adjusting sleeve, the inserting rod is inserted into the adjusting hole, the bottom of the pressing bolt is in contact with the pressing piece, the downward pressing force of the pressing piece is increased with the deepening of the pressing bolt, the pressing force of the pressing wheel on the paper is improved, the pressing wheel presses the paper on the driving belt, and it is very practical, the pressing assembly two is arranged, and has the same adjusting mode as the pressing assembly one to adjust the pressing force of the brush wheel, the brush wheel can clean the surface of the paper, remove dust, fibers and other impurities, and can help eliminate static electricity on the surface of the paper, and help maintain the stability of the paper and the quality of the printed matter, and improve the smoothness of paper conveying. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is a split structure schematic view of the utility model;

[0024] Figure 3 It is a fixed assembly enlarged structure schematic view of the utility model;

[0025] Figure 4 It is a pressing assembly one enlarged structure schematic view of the utility model;

[0026] Figure 5 It is a pressing assembly two enlarged structure schematic view of the utility model.

[0027] The components are as follows: 1. Base; 2. Drive shaft; 3. Drive belt; 4. Placement plate; 5. Support; 6. Connecting rod; 7. Mounting rod; 8. Fixing assembly; 801. Clamp; 802. Clamping groove; 803. Fixing pipe sleeve; 804. Connecting frame; 805. Top pipe; 806. Hand-tightening bolt one; 807. Pressure plate; 9. Pressure assembly one; 901. Pipe seat; 902. Connecting block; 903. Rotating rod; 904. Pressure plate; 905. Adjusting hole; 906. Hand-tightening bolt two; 907. Adjusting sleeve; 908. Pressure bolt; 909. Insert rod; 10. Pressure wheel; 11. Pressure assembly two; 12. Brush wheel. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1: As Figures 1-5 As shown, the present invention provides a paper auxiliary pressing mechanism for a printing press, including a base 1, a drive shaft 2 at the center of the base 1, a drive belt 3 on the outside of the drive shaft 2, a placement plate 4 fixedly connected to the center of the base 1, a support 5 fixedly connected to the upper end of the base 1, a connecting rod 6 fixedly connected to the inside of the support 5, an installation rod 7 below the connecting rod 6, a fixing component 8, a pressing component 1 9 and a pressing component 2 11 on the outside of the installation rod 7, a pressing wheel 10 on the right side of the pressing component 1 9, and a brush wheel 12 on the right side of the pressing component 2 11.

[0030] The fixing component 8 includes a clamp 801, a clamping groove 802, a fixing sleeve 803, a connecting frame 804, a jacking pipe 805, a hand-tightening bolt 806, and a clamping plate 807. The clamp 801 has a clamping groove 802 at its upper end, and a fixing sleeve 803 is provided at the front end of the clamp 801. The connecting frame 804 is fixedly connected to the upper end of the fixing sleeve 803, and the jacking pipe 805 is fixedly connected to the rear end of the connecting frame 804. A hand-tightening bolt 806 is provided at the upper end of the jacking pipe 805, and a clamping plate 807 is fixedly connected to the lower end of the hand-tightening bolt 806.

[0031] Specifically, the hand-tightening bolt 806 is threadedly connected to the jacking pipe 805, and the clamping groove 802 is adapted to the connecting rod 6. The advantage is that a fixing component 8 is provided. When assembling the mounting rod 7 and the connecting rod 6, the two fixing components 8 are installed at both ends of the mounting rod 7. The mounting rod 7 is inserted into the clamping seat 801 and the fixing sleeve 803. The clamping groove 802 is adapted to the connecting rod 6, and the hand-tightening bolt 806 is rotated until the clamping plate 807 and the clamping groove 802 lock the connecting rod 6. The installation method is simple and facilitates adjustment of the lateral position of the mounting rod 7 on the connecting rod 6.

[0032] Specifically, the mounting rod 7 is fixedly connected to the connecting rod 6 via the fixing assembly 8, and the clamping plate 807 is made of nitrile rubber. The advantage is that the clamping plate 807, made of nitrile rubber, has high wear resistance and a long service life.

[0033] Specifically, the clamping assembly 9 includes a tube seat 901, a connecting block 902, a rotating rod 903, a pressure plate 904, an adjusting hole 905, a second hand-tightening bolt 906, an adjusting sleeve 907, a clamping bolt 908, and an insert rod 909. The connecting block 902 is fixedly connected to the right side of the tube seat 901. The rotating rod 903 is fixedly connected to the lower end of the connecting block 902. The pressure plate 904 is rotatably connected to the outer side of the rotating rod 903. The upper end of the pressure plate 904 has an adjusting hole 905. The second hand-tightening bolt 906 is located at the upper end of the tube seat 901. The adjusting sleeve 907 is located on the right side of the tube seat 901. The upper end of the adjusting sleeve 907 is threadedly connected to the clamping bolt 908. The lower end of the clamping bolt 908 has an insert rod 909. The advantage is that the clamping assembly 9 allows for adjustment of the clamping force, applying pressure to the paper during feeding and improving the smoothness of paper feeding.

[0034] Example 2: Figures 2-5 As shown, this is an improvement on the previous embodiment.

[0035] Specifically, a clamping wheel 10 is rotatably connected to the rear end of the pressure plate 904, and a clamping bolt 908 corresponds to an adjusting hole 905, which is adapted to an insert rod 909. The advantage is that when adjusting the clamping force, rotating the clamping bolt 908 causes it to move along the adjusting sleeve 907, and the insert rod 909 is inserted into the adjusting hole 905. The bottom of the clamping bolt 908 contacts the pressure plate 904. As the clamping bolt 908 goes deeper, the downward clamping force of the pressure plate 904 increases, increasing the clamping force of the clamping wheel 10 on the paper. The clamping wheel 10 presses the paper firmly onto the drive belt 3, which is very practical.

[0036] Specific, pipe seat 901 with mounting rod 7 for sliding connection, hand screw bolt two 906 with pipe seat 901 for threaded connection.The advantage is that the pipe seat 901 is provided, and the pipe seat 901 is connected with the mounting rod 7 in sliding mode when the compression assembly one 9 is installed, and the mounting rod 7 is locked after the appropriate position is reached by rotating the hand screw bolt two 906, so that the compression assembly one 9 and the mounting rod 7 are locked, and the installation speed is fast.

[0037] Specific, the structure of the compression assembly two 11 and the compression assembly one 9 is symmetrical and same, the brush wheel 12 is arranged in front of the compression wheel 10, and the compression wheel 10 corresponds to the driving belt 3.The advantage is that the compression assembly two 11 is provided, and the same adjustment mode as the compression assembly one 9 is used to adjust the compression degree of the brush wheel 12, the brush wheel 12 can clean the surface of the paper, remove dust, fibers and other impurities, and help eliminate static electricity on the surface of the paper, which is helpful to maintain the stability of the paper and the quality of the printed matter.

[0038] Working principle: when in use, two fixed assemblies 8 are installed at both ends of the mounting rod 7, the mounting rod 7 is inserted into the clamping seat 801 and the fixed sleeve 803, the clamping groove 802 is combined with the connecting rod 6, the hand screw bolt one 806 is rotated until the compression piece 807 and the clamping groove 802 lock the connecting rod 6, the installation mode is simple, the transverse position of the mounting rod 7 on the connecting rod 6 is convenient to adjust, the pipe seat 901 is connected with the mounting rod 7 in sliding mode when the compression assembly one 9 is installed, the mounting rod 7 is locked after the appropriate position is reached by rotating the hand screw bolt two 906, so that the compression assembly one 9 and the mounting rod 7 are locked, the installation speed is fast, when the compression degree is adjusted, the compression bolt 908 is rotated to move along the adjusting sleeve 907, the inserting rod 909 is inserted into the adjusting hole 905, the bottom of the compression bolt 908 is in contact with the pressing piece 904, and the downward compression degree of the pressing piece 904 increases with the deepening of the compression bolt 908, so that the compression degree of the compression wheel 10 on the paper is improved, the compression wheel 10 compresses the paper on the driving belt 3, which is very practical, the compression assembly two 11 and the compression assembly one 9 have the same adjustment mode, the compression degree of the brush wheel 12 is adjusted, the brush wheel 12 can clean the surface of the paper, remove dust, fibers and other impurities, and help eliminate static electricity on the surface of the paper, which is helpful to maintain the stability of the paper and the quality of the printed matter, and improve the smoothness of paper conveying.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A paper auxiliary hold-down mechanism for a printing press, comprising a base (1), characterized in that: The base (1) is provided with a driving shaft (2) in the center, the outer side of the driving shaft (2) is provided with a driving belt (3), the base (1) is fixedly connected with a placing plate (4) in the center, the upper end of the base (1) is fixedly connected with a support (5), the inner side of the support (5) is fixedly connected with a connecting rod (6), the lower side of the connecting rod (6) is provided with a mounting rod (7), the outer side of the mounting rod (7) is provided with a fixing assembly (8), a pressing assembly (9) and a pressing assembly (11), the right side of the pressing assembly (9) is provided with a pressing wheel (10), the right side of the pressing assembly (11) is provided with a brush wheel (12). The fixing assembly (8) comprises a clamping seat (801), a clamping groove (802), a fixed pipe sleeve (803), a connecting frame (804), a top pipe (805), a hand screw bolt (806) and a pressing piece (807), the upper end of the clamping seat (801) is provided with a clamping groove (802), the front end of the clamping seat (801) is provided with a fixed pipe sleeve (803), the upper end of the fixed pipe sleeve (803) is fixedly connected with a connecting frame (804), the rear end of the connecting frame (804) is fixedly connected with a top pipe (805), the upper end of the top pipe (805) is provided with a hand screw bolt (806), and the lower end of the hand screw bolt (806) is fixedly connected with a pressing piece (807).

2. A paper assist hold down mechanism for a printing press as claimed in claim 1, wherein: The hand screw bolt (806) and the top pipe (805) are in threaded connection, and the clamping groove (802) is matched with the connecting rod (6).

3. A paper assist hold down mechanism for a printing press as claimed in claim 1, wherein: The mounting rod (7) is fixedly connected with the connecting rod (6) through the fixing assembly (8), and the pressing piece (807) is made of nitrile rubber.

4. A paper assist hold down mechanism for a printing press as claimed in claim 1, wherein: The pressing assembly (9) comprises a pipe seat (901), a connecting block (902), a rotating rod (903), a pressing piece (904), an adjusting hole (905), a hand screw bolt (906), an adjusting sleeve (907), a pressing bolt (908) and a plug rod (909), the right side of the pipe seat (901) is fixedly connected with a connecting block (902), the lower end of the connecting block (902) is fixedly connected with a rotating rod (903), the outer side of the rotating rod (903) is rotatably connected with a pressing piece (904), the upper end of the pressing piece (904) is provided with an adjusting hole (905), the upper end of the pipe seat (901) is provided with a hand screw bolt (906), the right side of the pipe seat (901) is provided with an adjusting sleeve (907), the upper end of the adjusting sleeve (907) is in threaded connection with a pressing bolt (908), and the lower end of the pressing bolt (908) is provided with a plug rod (909).

5. A paper assist hold down mechanism for a printing press according to claim 4 wherein: The rear end of the pressing piece (904) is rotatably connected with a pressing wheel (10), the pressing bolt (908) corresponds to the adjusting hole (905), and the adjusting hole (905) is matched with the plug rod (909).

6. A paper assist hold down mechanism for a printing press according to claim 5 wherein: The pipe seat (901) is in sliding connection with the mounting rod (7), and the hand screw bolt (906) is in threaded connection with the pipe seat (901).

7. A paper assist hold down mechanism for a printing press as claimed in claim 1, wherein: The pressing assembly (11) is symmetrical with the pressing assembly (9), the brush wheel (12) is arranged in front of the pressing wheel (10), and the pressing wheel (10) corresponds to the driving belt (3).

Citation Information

Patent Citations

  • Paper feed mechanism of printing machine

    CN206552882U