Printing machine with cleaning structure

By designing adjustable ink rollers and press rollers, limiting mechanisms and motor drives in the printing press, the problem that existing printing devices cannot clean the surface of the printing object is solved, achieving high-quality printing effects and convenient ink roller replacement.

CN222742383UActive Publication Date: 2025-04-11KUNMING FUBAO XIANGRUI PACKAGING CO LTD
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Patent Information

Application Number
CN202421449138.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-11
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing printing device cannot clean the surface of the printing object during use, resulting in unqualified printing quality when debris exists, affecting the working quality of the printing device.

Method used

A printing press with a cleaning structure is designed, including an adjustable ink roller and a press roller, equipped with a limiting mechanism and a motor drive, capable of adjusting the distance between the press roller and the ink roller through a screw and a nut, and cleaning the residual ink on the ink roller by a brush head.

Benefits of technology

It realizes effective cleaning of debris during the use of the printing device, improves printing quality, facilitates ink roller replacement, and reduces the impact of printer vibration on printing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of printing equipment, and discloses a printing machine with a cleaning structure, including a mounting frame, grooves are provided on both sides of the mounting frame near the front end, ink rollers are movably arranged in the two grooves, limiting mechanisms are fixedly arranged on both sides of the mounting frame, holes No. 1 are provided on both sides of the mounting frame near the upper end, pressure rollers are movably arranged in the two holes No. 1, fixed rods are fixedly arranged on both sides of the mounting frame near the upper end, screws are threadedly sleeved on one side of the upper ends of the two fixing rods, nuts are threadedly sleeved on the two screws, and pressing blocks are sleeved on both ends of the pressure rollers. In the utility model, the ink roller and the pressure roller rotate to squeeze the paper to print the ink on the ink roller on the paper, and the rotating screw drives the pressing block to move to adjust the distance between the ink roller and the pressure roller according to the thickness of the paper.
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Description

Technical Field

[0001] The utility model relates to the field of printing equipment, in particular to a printing machine with a cleaning structure. Background Art

[0002] A printing press is a machine for printing text and images. Modern printing presses are generally composed of mechanisms such as plate loading, inking, pressing, and paper feeding (including folding).

[0003] In the prior art, the text and images to be printed are generally made into a printing plate and installed on a printing press. Then, ink is applied to the places with text and images on the printing plate manually or by a printing press, and then directly or indirectly transferred to paper or other substrates (such as textiles, metal plates, plastics, leather, wood boards, glass and ceramics), thereby replicating a printed product identical to the printing plate.

[0004] The current printing device cannot clean the surface of the substrate during use. When there are foreign matters on the upper surface of the substrate, the printing quality will be unqualified, which will seriously affect the working quality of the printing device.

[0005] Therefore, the utility model provides a printing machine with a cleaning structure to solve the problems raised in the above background technology. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a printing machine with a cleaning structure, which can adjust the distance between the ink roller and the pressure roller according to the use situation, so as to facilitate the replacement of the ink roller.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printing machine with a cleaning structure, comprising a mounting frame, grooves are provided on both sides of the mounting frame near the front end, ink rollers are movably arranged in the two grooves, limiting mechanisms are fixedly arranged on both sides of the mounting frame, No. 1 holes are provided on both sides of the mounting frame near the upper end, pressure rollers are movably arranged in the two No. 1 holes, fixing rods are fixedly arranged on both sides of the mounting frame near the upper end, screws are threadedly sleeved on one side of the upper ends of the two fixing rods, nuts are threadedly sleeved on the two screws, pressing blocks are sleeved on both ends of the pressure rollers, a No. 1 fixing frame is fixedly arranged on the side of one of the two pressing blocks away from the mounting frame, and a No. 1 motor is fixedly arranged in the No. 1 fixing frame;

[0008] A No. 2 fixing frame is fixedly provided at one end of the ink roller, a No. 2 motor is fixedly provided in the No. 2 fixing frame, a waste trough is embedded in the lower end of the mounting frame, sliding blocks are fixedly provided on both sides of the waste trough, a No. 3 motor is fixedly provided on one side of the mounting frame, a transmission rod is sleeved on the output end of the No. 3 motor, a brush head is fixedly sleeved on the outer side of the transmission rod, connecting blocks are fixedly provided on both sides of the rear end of the mounting frame, and through slots are provided at the ends of the two connecting blocks away from the mounting frame, and paper tubes are movably provided in the two through slots;

[0009] Through the above technical solution, the paper roll is placed on the two through grooves, the paper on the paper roll is pulled into the feed port formed between the ink roller and the pressure roller, and the paper is squeezed through the ink roller and the pressure roller. The ink roller and the pressure roller rotate to print the ink on the ink roller onto the paper.

[0010] Further, the limiting mechanism includes a No. 1 limiting block, a No. 2 limiting block, two No. 1 through holes, two No. 2 through holes and two screws;

[0011] Through the above technical solution, the limiting mechanism prevents the ink roller from being displaced when rotating, thereby affecting the printing quality.

[0012] Further, the two No. 1 through holes are respectively arranged at the front and rear ends of the upper end of the No. 1 limit block, and the two No. 2 through holes are respectively arranged at the front and rear ends of the upper end of the No. 2 limit block, and the No. 1 limit block and the No. 2 limit block correspond vertically to each other in pairs, and the two screws are respectively threadedly sleeved in the corresponding No. 1 through hole and No. 2 through hole;

[0013] Through the above technical scheme, one end of the ink roller enters the limiting mechanism and is placed on the No. 1 limiting block, and the No. 2 limiting block is placed on the upper end surface of the No. 1 limiting block so that the No. 1 limiting block and the No. 2 limiting block correspond vertically to each other up and down, and the two screws are respectively sleeved in the relative No. 1 through hole and No. 2 through hole to complete the limiting of the ink roller to prevent jumping during work and affect the printing quality, and it is also convenient to remove and replace the ink roller.

[0014] Furthermore, one end of the ink roller is embedded in the limiting mechanism, and the other end is sleeved on the output end of the second motor;

[0015] Through the above technical solution, the output end of the motor drives the ink roller to rotate so that the ink on the ink roller is printed on the paper.

[0016] Furthermore, one end of the pressure roller is embedded in a pressure block, and the other end is connected to the output end of the first motor;

[0017] Through the above technical solution, the output end of motor No. 1 drives the pressure roller to rotate, and the pressure roller and the ink roller squeeze the paper to print the ink on the ink roller onto the paper.

[0018] Furthermore, one end of the two screw rods away from the fixing rod is fixedly arranged on the two pressing blocks respectively;

[0019] Through the above technical solution, the adjusting screw drives the pressing block to move up and down, so that the pressing roller moves up and down to adjust the distance between the pressing roller and the ink roller, thereby adjusting the distance according to the thickness of the paper.

[0020] Furthermore, four support columns are fixedly arranged on the lower end surface of the mounting frame, and rubber pads are fixedly arranged on the lower end surfaces of the four support columns;

[0021] Through the above technical solution, when printing is carried out, the four support columns support the installation frame and at the same time transmit the vibration generated by the operation of the printing machine to the rubber pad to reduce the vibration of the printing machine itself, thereby avoiding the impact of the vibration of the printing machine itself on the printing quality.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a printing machine with a cleaning structure, wherein a No. 1 limit block is fixedly arranged at the positions on both sides of the mounting frame, and the screws are removed by rotating the screws to separate the No. 2 limit block from the No. 1 limit block, and one end of the ink roller is placed on the No. 1 limit block, and the No. 2 limit block is placed on the No. 1 limit block, and the screws are rotated and threadedly sleeved in the opposite No. 1 through hole and No. 2 through hole to limit the ink roller, so as to prevent the ink roller from being displaced during the working process and affecting the printing quality, and at the same time, it is convenient to replace the ink roller by picking and writing the ink roller.

[0024] 2. The utility model proposes a printing machine with a cleaning structure, wherein the adjusting screw drives the clamping block to move up and down, thereby causing the pressure roller to move up and down to adjust the distance between the pressure roller and the ink roller, thereby adjusting the distance according to the thickness of the paper; a nut is sleeved on the screw to limit the position of the pressure roller to prevent the pressure roller from jumping up and down during operation and affecting the printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the axial side of the printing press of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the printing machine of the utility model;

[0027] Figure 3 This is an exploded schematic diagram of the limiting mechanism of the utility model;

[0028] Figure 4 It is a schematic side view of the printing of the utility model;

[0029] Figure 5 This is a schematic diagram of the shaft side of the second motor of the utility model.

[0030] Legend:

[0031] 1. Mounting frame; 2. Support column; 3. Rubber pad; 4. Groove; 5. Limiting mechanism; 501. Limiting block No. 1; 502. Limiting block No. 2; 503. Through hole No. 1; 504. Through hole No. 2; 505. Screw; 6. Ink roller; 7. Fixing rod; 8. Screw rod; 9. Nut; 10. Pressing roller; 11. Transmission rod; 12. Brush head; 13. Waste trough; 14. Sliding block; 15. Hole No. 1; 16. Fixed frame No. 1; 17. Motor No. 1; 18. Motor No. 2; 19. Motor No. 3; 20. Connecting block; 21. Paper tube; 22. Fixed frame No. 2; 23. Pressing block; 24. Through groove. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1-5 , the utility model provides an embodiment: a printing machine with a cleaning structure, including a mounting frame 1, grooves 4 are provided on both sides of the mounting frame 1 near the front end, ink rollers 6 are movably arranged in the two grooves 4, limiting mechanisms 5 are fixedly arranged on both sides of the mounting frame 1, No. 1 holes 15 are provided on both sides of the mounting frame 1 near the upper end, and pressure rollers 10 are movably arranged in the two No. 1 holes 15, fixing rods 7 are fixedly arranged on both sides of the mounting frame 1 near the upper end, screw rods 8 are threadedly sleeved on one side of the upper ends of the two fixing rods 7, nuts 9 are threadedly sleeved on the two screws 8, pressing blocks 23 are sleeved on both ends of the pressure roller 10, a No. 1 fixing frame 16 is fixedly arranged on the side of one of the two pressing blocks 23 away from the mounting frame 1, and a No. 1 motor 17 is fixedly arranged in the No. 1 fixing frame 16;

[0034] A No. 2 fixed frame 22 is fixedly provided at one end of the ink roller 6, and a No. 2 motor 18 is fixedly provided in the No. 2 fixed frame 22. A waste trough 13 is embedded in the lower end of the mounting frame 1, and sliding blocks 14 are fixedly provided on both sides of the waste trough 13. A No. 3 motor 19 is fixedly provided on one side of the mounting frame 1, and a transmission rod 11 is sleeved on the output end of the No. 3 motor 19, and a brush head 12 is fixedly sleeved on the outer side of the transmission rod 11. Connecting blocks 20 are fixedly provided on both sides of the rear end of the mounting frame 1, and through grooves 24 are opened at the ends of the two connecting blocks 20 away from the mounting frame 1, and paper tubes 21 are movably provided in the two through grooves 24.

[0035] Place both ends of the ink roller 6 in the groove 4, embed one end of the ink roller 6 into the limiting mechanism 5, place the pressure roller 10 in the No. 1 hole 15, place both ends of the paper tube 21 in the through grooves 24 on the two connecting blocks 20, pull the paper on the paper tube 21 out and extend it into the feed port formed between the ink roller 6 and the pressure roller 10, the ink roller 6 and the pressure roller 10 squeeze the paper and rotate to print the ink on the ink roller 6 on the paper, rotate the screw 8 to drive the pressing block 23 to move, and move the pressure roller 10 to adjust the distance between the ink roller 6 and the pressure roller 10 according to the thickness of the paper, when cleaning the ink roller 6, the No. 3 motor 19 drives the transmission rod 11 to rotate, so that the brush head 12 on the transmission rod 11 contacts the ink roller 6, and the ink roller 6 rotates to contact the brush head 12 to clean the residual ink on the ink roller 6, and the waste generated by cleaning falls into the waste trough 13 due to gravity. When there is too much waste liquid in the waste trough 13, the waste trough 13 can be removed through the sliding block 14 to dump the waste in it.

[0036] The limiting mechanism 5 includes a No. 1 limiting block 501, a No. 2 limiting block 502, two No. 1 through holes 503, two No. 2 through holes 504 and two screws 505; the two No. 1 through holes 503 are respectively arranged at the front and rear ends of the upper end of the No. 1 limiting block 501, and the two No. 2 through holes 504 are respectively arranged at the front and rear ends of the upper end of the No. 2 limiting block 502. The No. 1 limiting block 501 and the No. 2 limiting block 502 correspond vertically in pairs, and the two screws 505 are respectively threadedly sleeved on the opposite No. 1 limiting blocks. Through hole 503 and No. 2 through hole 504; one end of the ink roller 6 is embedded in the limiting mechanism 5, and the other end is sleeved on the output end of the No. 2 motor 18; one end of the pressure roller 10 is embedded in a clamping block 23, and the other end is connected to the output end of the No. 1 motor 17; the ends of the two screws 8 away from the fixing rod 7 are fixedly arranged on the two clamping blocks 23 respectively; four support columns 2 are fixedly arranged on the lower end surface of the mounting frame 1, and rubber pads 3 are fixedly arranged on the lower end surfaces of the four support columns 2.

[0037] The No. 1 limit block 501 is fixedly arranged at the positions on both sides of the mounting frame 1. The screw 505 is rotated to remove the screw 505 to separate the No. 2 limit block 502 from the No. 1 limit block 501. One end of the ink roller 6 is placed on the No. 1 limit block 501, and the No. 2 limit block 502 is placed on the No. 1 limit block 501. The screw 505 is rotated to be threadedly sleeved in the relative No. 1 through hole 503 and No. 2 through hole 504 to limit the ink roller 6 to prevent the ink roller 6 from being displaced during the working process and affecting the printing quality. At the same time, the ink roller 6 is conveniently disassembled and replaced. The adjusting screw 8 drives the clamping block 23 to move up and down, so that the pressure roller 10 moves up and down. The distance between the pressure roller 10 and the ink roller 6 is adjusted dynamically to adjust the distance according to the thickness of the paper. The nut 9 is sleeved on the screw 8 to limit the position of the pressure roller 10 to prevent the pressure roller 10 from jumping up and down during operation and affecting the printing quality. When printing, the four support columns 2 support the mounting frame 1 while transmitting the vibration generated by the printing machine to the rubber pad 3 to reduce the vibration of the printing machine itself, thereby avoiding the impact of the vibration of the printing machine itself on the printing quality. The No. 1 motor 17 drives the pressure roller 10 to rotate, and the No. 2 motor 18 drives the ink roller 6 to rotate. The ink roller 6 and the pressure roller 10 rotate to squeeze the paper to complete the printing.

[0038] Working principle: The ink roller 6 and the pressure roller 10 squeeze and rotate the paper to print the ink on the ink roller 6 on the paper, and the screw 8 is rotated to adjust the distance between the ink roller 6 and the pressure roller 10. The No. 3 motor 19 drives the transmission rod 11 to rotate, so that the brush head 12 contacts the ink roller 6 to brush the residual ink on the ink roller 6.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A printing machine with a cleaning structure, comprising a mounting frame (1), characterized in that: Grooves (4) are provided on both sides of the installation frame (1) near the front end, and ink rollers (6) are movably arranged in the two grooves (4). Limiting mechanisms (5) are fixedly arranged on both sides of the installation frame (1). No. 1 holes (15) are provided on both sides of the installation frame (1) near the upper end, and pressure rollers (10) are movably arranged in the two No. 1 holes (15). Fixed rods (7) are fixedly arranged on both sides of the installation frame (1) near the upper end, and screw rods (8) are threadedly sleeved on one side of the upper ends of the two fixing rods (7). Nuts (9) are threadedly sleeved on the two screw rods (8). Pressing blocks (23) are sleeved on both ends of the pressure roller (10). A No. 1 fixing frame (16) is fixedly arranged on the side of one of the two pressing blocks (23) away from the installation frame (1), and a No. 1 motor (17) is fixedly arranged in the No. 1 fixing frame (16); A No. 2 fixing frame (22) is fixedly provided at one end of the ink roller (6), and a No. 2 motor (18) is fixedly provided in the No. 2 fixing frame (22). A waste trough (13) is embedded in the lower end of the installation frame (1), and sliding blocks (14) are fixedly provided on both sides of the waste trough (13). A No. 3 motor (19) is fixedly provided on one side of the installation frame (1), and a transmission rod (11) is sleeved at the output end of the No. 3 motor (19), and a brush head (12) is fixedly sleeved on the outer side of the transmission rod (11). Connecting blocks (20) are fixedly provided on both sides of the rear end of the installation frame (1), and through grooves (24) are provided at the ends of the two connecting blocks (20) away from the installation frame (1), and paper tubes (21) are movably provided in the two through grooves (24).

2. A printing machine with a cleaning structure according to claim 1, characterized in that: The limiting mechanism (5) comprises a No. 1 limiting block (501), a No. 2 limiting block (502), two No. 1 through holes (503), two No. 2 through holes (504) and two screws (505).

3. A printing machine with a cleaning structure according to claim 2, characterized in that: The two No. 1 through holes (503) are respectively arranged at the front and rear ends of the upper end of the No. 1 limit block (501), and the two No. 2 through holes (504) are respectively arranged at the front and rear ends of the upper end of the No. 2 limit block (502). The No. 1 limit block (501) and the No. 2 limit block (502) correspond vertically to each other in pairs, and the two screws (505) are respectively threadedly sleeved in the corresponding No. 1 through hole (503) and the No. 2 through hole (504).

4. A printing machine with a cleaning structure according to claim 1, characterized in that: One end of the ink roller (6) is embedded in the limiting mechanism (5), and the other end is sleeved on the output end of the second motor (18).

5. A printing machine with a cleaning structure according to claim 1, characterized in that: One end of the pressure roller (10) is embedded in a pressure block (23), and the other end is connected to the output end of the first motor (17).

6. A printing machine with a cleaning structure according to claim 1, characterized in that: One end of the two screw rods (8) away from the fixing rod (7) is fixedly arranged on two pressing blocks (23) respectively.

7. The printing machine with a cleaning structure according to claim 1, characterized in that: Four support columns (2) are fixedly arranged on the lower end surface of the installation frame (1), and rubber pads (3) are fixedly arranged on the lower end surfaces of the four support columns (2).