Deviation correcting device for color press

Abstract

A deviation rectifying device for a color press comprises a base and a mounting groove, the mounting groove is machined in the inner side of the base and fixedly connected with a mounting frame through bolts, the inner wall of the mounting frame is rotationally connected with a transmission belt roller, the side end of a transmission belt wheel is fixedly connected with an output shaft of a servo motor, and the side end of the transmission belt wheel is fixedly connected with a transmission shaft of the servo motor. And the outer wall of the servo motor is fixedly connected with the mounting frame. A belt on a transmission belt wheel is driven by a servo motor to move, and the single-layer printing medium is in contact with a round rod and the belt and is in contact with the round rod and a semicircular rod, so that the single-layer printing medium is relatively uniform and smooth in the conveying process; and a distance sensor at the center position of the mounting frame can also monitor the distance between the printing medium and the belt, an electric telescopic rod is controlled in time to drive the distance between a limiting plate and the belt to be adjusted, the flatness of the surface of the single-layer printing medium is guaranteed, the flatness difference of the printing medium in the conveying process is reduced, and the printing quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of web correction technology for color printing machines, and in particular to a web correction device for color printing machines. Background Technology

[0002] A color printer is a digital inkjet printing device that uses ultraviolet light to cure ink and print images or text directly onto the surfaces of different types of objects, such as paper, plastic, metal, and ceramics. A color printer generally includes a conveying device and a printing device.

[0003] For example, a web guiding device for a color printer, disclosed in publication number "CN221067572U," solves the problem of poor print quality when printing on uneven media surfaces, as existing web guiding devices for color printers sometimes use such devices. This is achieved by incorporating a protective coating mechanism and a steel ball bearing plate positioned directly above the conveyor belt. The steel ball bearing plate contains several freely rolling steel balls. When the conveyor belt transports the printing media, the lower ends of the rolling steel balls contact the surface of the printing media. As the printing media moves along the conveyor belt, the lower ends of the rolling steel balls rub against the surface of the printing media, leveling the surface and maintaining relative flatness. However, considering that the distance between the steel ball bearing plate and the conveyor belt in existing web guiding devices for color printers needs to be manually adjusted by turning screws, the uniformity of the printing media thickness cannot be guaranteed during media feeding. Therefore, differences in the flatness of the printing media between the steel ball bearing plate and the conveyor belt affect the printing effect. Summary of the Invention

[0004] This invention aims to solve the problems existing in the prior art by providing a correction device for a color printing machine, which reduces the flatness difference of the printing medium during transportation and improves the printing quality.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows:

[0006] Design a web guiding device for a color printing machine, including a base and a mounting groove. The mounting groove is machined on the inner side of the base and is fixedly connected to a mounting frame by bolts. The inner wall of the mounting frame is rotatably connected to a transmission belt roller. The side end of the transmission belt roller is fixedly connected to the output shaft of a servo motor. The outer wall of the servo motor is fixedly connected to the mounting frame. A web guiding mechanism is connected to the upper end of the base.

[0007] Further improvements include a support frame, the lower end of which is fixedly connected to a base, the outer wall of which is slidably connected to a baffle, and the upper end of which is threadedly connected to a fixing bolt.

[0008] To further improve the design, the inner wall of the baffle is machined with an opening, and the lower end of the support frame is connected to a limit mechanism.

[0009] Further improvements include a limiting mechanism comprising an electric telescopic rod, the upper end of which is fixedly connected to a support frame, the output end of which is fixedly connected to a limiting plate, and the inner wall of the limiting plate being rotatably connected to a round rod.

[0010] To further improve the system, a distance sensor is installed on the outside of the mounting bracket, and the output end of the distance sensor is electrically connected to the electric telescopic rod.

[0011] To further improve the design, the outer wall of the transmission belt roller is rotatably connected to the belt.

[0012] Further improvements include a fixed connection between the inner side of the base and the semi-circular rod, and a slidable connection between the outer wall of the semi-circular rod and the baffle.

[0013] The beneficial effects of this utility model are as follows: This utility model uses a servo motor to drive the belt on the transmission pulley, resulting in contact between the single-layer printing medium and the round rod and belt, as well as between the single-layer printing medium and the round and semi-circular rods. This ensures that the single-layer printing medium is relatively uniform and flat during transportation. The distance sensor at the center of the mounting frame also monitors the distance between the single-layer printing medium and the belt, and promptly controls the electric telescopic rod to adjust the distance between the limiting plate and the belt, ensuring the flatness of the printing medium surface, reducing the flatness difference of the printing medium during transportation, and improving the printing quality. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0015] Figure 2 for Figure 1 A frontal sectional view;

[0016] Figure 3 for Figure 1 Enlarged schematic diagram of the mounting bracket;

[0017] Figure 4 for Figure 2 Enlarged sectional view of part A in the middle:

[0018] Figure 5 for Figure 2 Enlarged sectional view of section B:

[0019] Figure 6 for Figure 1 Enlarged cross-sectional view of the center correction mechanism.

[0020] Explanation of reference numerals in the attached drawings: 1. Base, 2. Mounting slot, 3. Mounting bracket, 4. Drive belt roller, 5. Servo motor, 6. Correction mechanism, 601. Support frame, 602. Baffle, 603. Fixing bolt, 7. Opening, 8. Limiting mechanism, 801. Electric telescopic rod, 802. Limiting plate, 803. Round rod, 9. Distance sensor, 10. Belt, 11. Semi-circular rod. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] See attached document Figure 1-6 In this embodiment, a correction device for a color printing machine includes a base 1 and a mounting groove 2. The mounting groove 2 is machined on the inner side of the base 1. The mounting groove 2 is fixedly connected to the mounting frame 3 by bolts. The inner wall of the mounting frame 3 is rotatably connected to the transmission belt roller 4. The outer wall of the transmission belt roller 4 is rotatably connected to the belt 5. The side end of the transmission belt pulley 4 is fixedly connected to the output shaft of the servo motor 5. The model of the servo motor 5 is determined according to actual needs and can meet the working requirements. The outer wall of the servo motor 5 is fixedly connected to the mounting frame 3. A correction mechanism 6 is connected to the upper end of the base 1.

[0023] The correction mechanism 6 includes a support frame 601. By pushing the baffle 602 to slide on the support frame 601, the width of the baffle 602 is the same as the width of the printing medium, thereby correcting the inside of the baffle 602. The lower end of the support frame 601 is fixedly connected to the base 1, the outer wall of the support frame 601 is slidably connected to the baffle 602, and the upper end of the baffle 602 is threadedly connected to the fixing bolt 603.

[0024] The servo motor 5 drives the belt 10 on the transmission pulley 4 to move. The single-layer printing medium is in contact with the round rod 803 and the belt 10, and the single-layer printing medium is in contact with the round rod 803 and the semi-circular rod 11. This ensures that the printing medium is relatively uniform and flat during transportation. The distance sensor 9 at the center of the mounting bracket 3 also monitors the distance between the printing medium and the belt 10, and controls the electric telescopic rod 801 to adjust the distance between the limit plate 802 and the belt 10 in a timely manner. This ensures the flatness of the single-layer printing medium surface, reduces the flatness difference of the single-layer printing medium during transportation, and improves the printing quality.

[0025] The inner wall of the baffle 602 is machined with an opening 7, which allows the limiting plate 802 to move up and down. The lower end of the support frame 601 is connected to the limiting mechanism 8, which includes an electric telescopic rod 801. The upper end of the electric telescopic rod 801 is fixedly connected to the support frame 601, and the output end of the electric telescopic rod 801 is fixedly connected to the limiting plate 802. The inner wall of the limiting plate 802 is rotatably connected to the round rod 803. A distance sensor 9 is installed on the outer side of the mounting frame 3. The distance sensor 9 is a Banner Q4X series (sub-millimeter precision). The output end of the distance sensor 9 is electrically connected to the electric telescopic rod 801. The outer wall of the transmission belt roller 4 is rotatably connected to the belt 10. The inner side of the base 1 is fixedly connected to the semi-circular rod 11, which is made of Babbitt alloy and has a very smooth surface. The outer wall of the semi-circular rod 11 is slidably connected to the baffle 602.

[0026] Working principle:

[0027] By placing the base 1 at the front of the inkjet printer, and manually pushing the baffle 602 to slide on the support frame 601 according to the width of the printing medium (paper, plastic, etc.), the width of the baffle 602 is the same as the width of the printing medium. Finally, the fixing bolt 603 is screwed into the upper end of the baffle 602 and the support frame 601 to achieve a fixed position between the baffle 602 and the support frame 601, so that the baffle 602 can limit and correct the printing medium.

[0028] Place the single-layer printing medium on both sides onto the surface between the two baffles 602. Connect the external power supply to the electric telescopic rod 801. The electric telescopic rod 801 starts working, driving the limiting plate 802 downward. Simultaneously, connect the external power supply to the servo motor 5. The servo motor 5 starts working, driving the belt 10 on the transmission pulley 4 to move. The belt 10 moves the single-layer printing medium to contact the round rod 803 at the lower end of the limiting plate 802. The printing medium, the round rod 803, and the belt 10 interact with each other. The contact between the printing medium and the round rod 803 and the semi-circular rod 11 ensures that the single-layer printing medium enters the inkjet printer for printing in a more uniform and flat manner, thus improving the printing quality. The single-layer printing medium is gradually conveyed by the belt 10 into the inlet of the printer for inkjet printing. At the same time, the distance sensor 9 installed at the center of the mounting bracket 3 monitors the distance between the printing medium and the belt 10 and controls the electric telescopic rod 801 to adjust the distance between the limit plate 802 and the belt 10, ensuring the flatness of the single-layer printing medium surface.

[0029] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A deviation rectifying device for a color printer, comprising a base (1) and a mounting groove (2), the inner side of the base (1) being processed with the mounting groove (2), characterized in that: The mounting groove (2) is fixedly connected with the mounting frame (3) by bolts, the inner wall of the mounting frame (3) is rotatably connected with the transmission belt roller (4), the side end of the transmission belt roller (4) is fixedly connected with the output shaft of the servo motor (5), the outer wall of the servo motor (5) is fixedly connected with the mounting frame (3), and the upper end of the base (1) is connected with the deviation rectifying mechanism (6).

2. The deviation rectifying device for the color printer according to claim 1, wherein: The deviation rectifying mechanism (6) comprises a supporting frame (601), the lower end of the supporting frame (601) is fixedly connected with the base (1), the outer wall of the supporting frame (601) is slidably connected with the baffle (602), and the upper end of the baffle (602) is threadedly connected with the fixing bolt (603).

3. The deviation rectifying device for the color printer according to claim 2, wherein: An opening (7) is formed in the inner wall of the baffle (602), and the lower end of the supporting frame (601) is connected with the limiting mechanism (8).

4. The deviation rectifying device for the color printer according to claim 3, wherein: The limiting mechanism (8) comprises an electric telescopic rod (801), the upper end of the electric telescopic rod (801) is fixedly connected with the supporting frame (601), the output end of the electric telescopic rod (801) is fixedly connected with the limiting plate (802), and the inner wall of the limiting plate (802) is rotatably connected with the round rod (803).

5. The deviation rectifying device for the color printer according to claim 1, wherein: A distance sensor (9) is mounted on the outer side of the mounting frame (3), and the output end of the distance sensor (9) is electrically connected with the electric telescopic rod (801).

6. The deviation rectifying device for the color printer according to claim 4, wherein: The outer wall of the transmission belt roller (4) is rotatably connected with the belt (10).

7. The deviation rectifying device for the color printer according to claim 4, wherein: The inner side of the base (1) is fixedly connected with the semicircular rod (11), and the outer wall of the semicircular rod (11) is slidably connected with the baffle (602).

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