Plastic film printing machine capable of preventing ink splashing

By setting up a cover plate, ink frame and liquid level indicator mechanism in a plastic film printing machine, the problem of ink splashing on the printing roller is solved, and efficient use of ink and reduced waste is achieved.

CN223085648UActive Publication Date: 2025-07-11ZHIJIANG XINGFA PLASTIC IND CO LTD
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Patent Information

Application Number
CN202422452523.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-07-11
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

During the printing process of plastic film printing press, more ink is stained on the printing roller, and it is easy to splash out when rotating at high speed, resulting in ink waste.

Method used

A plastic film printing machine that is splash-proof ink is designed, including the body, guide roller, printing roller and transition roller. By setting a cover plate, ink frame, liquid level indicator mechanism and liquid level alarm, the ink usage of the printing roller is controlled to reduce ink splashing.

Benefits of technology

It effectively reduces the splashing and waste of ink, ensures the printing effect, avoids too low ink level affecting printing, and improves the efficiency of ink use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223085648U_ABST
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Abstract

The utility model relates to the technical field of plastic film printing, and discloses a plastic film printing machine capable of preventing ink splashing, which comprises a machine body, a guide roller rotationally arranged on the machine body and a printing roller rotationally arranged on the machine body, a first motor used for driving the printing roller and a second motor used for driving the transition roller are arranged on the machine body, the bottom end of the transition roller can be attached to the top end of the printing roller, an ink frame is arranged on the machine body, a cover plate is horizontally arranged at the top end of the ink frame, and a liquid adding hole is formed in the cover plate. The printing ink box has the effect of reducing waste caused by splashing of printing ink.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic film printing, in particular to a plastic film printing machine for preventing ink splashing. Background Art

[0002] Plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, and is used for packaging and as a lamination layer; the coloring process of a plastic film printing machine generally uses a printing roller to complete. The pigment on the printing roller comes from an ink cartridge. The lower end of the printing roller is immersed in the ink. The printing roller rotates to smear the ink on the side wall of the printing roller. A transition roller is also provided above the printing roller, so that the ink can be evenly smeared on the transition roller through the rotation of the printing roller, and then the plastic film is smeared through the transition roller.

[0003] When a plastic film printing machine is in use, since there is a lot of ink on the printing roller, it is easy to cause the ink to splash out during high-speed rotation, resulting in waste of ink. Content of the Utility Model

[0004] The purpose of the utility model is to provide a plastic film printing machine for preventing ink splashing, which has the effect of reducing the waste caused by ink splashing.

[0005] The above technical purpose of the utility model is achieved by the following technical solutions: it includes a machine body, a guiding roller rotatably arranged on the machine body, and a printing roller rotatably arranged on the machine body. A transition roller is horizontally rotatably arranged on the machine body. A first motor for driving the printing roller and a second motor for driving the transition roller are arranged on the machine body. The transition roller is located directly above the printing roller, and the bottom end of the transition roller can be attached to the top end of the printing roller. An ink box is arranged on the machine body. The bottom of the printing roller is located in the ink box. A cover plate is horizontally arranged at the top end of the ink box. The top end of the printing roller movably passes through the cover plate. A liquid adding hole is opened on the cover plate. A liquid level indicating mechanism is arranged in the ink box.

[0006] The further setting of the utility model is: the liquid level indicating mechanism includes a floating block and a first connecting rod vertically arranged at the top end of the floating block. The top of the first connecting rod movably passes through the cover plate. A second connecting rod is horizontally arranged at the top end of the first connecting rod.

[0007] The further setting of the utility model is: a long strip-shaped limiting groove is vertically opened on the machine body. A limiting block matched with the limiting groove is arranged at the end of the second connecting rod.

[0008] The further setting of the utility model is: a liquid level alarm is arranged on the cover plate, and the second connecting rod can be abutted against the liquid level alarm.

[0009] A further setting of the utility model is that an elastic plug block is movably arranged on the liquid adding hole, and the outer wall of the elastic plug block can abut against the inner wall of the liquid adding hole.

[0010] A further setting of the utility model is that a funnel-shaped fixing block is arranged at the top of the elastic plug block, and the bottom end of the fixing block can abut against the liquid adding hole.

[0011] A further setting of the utility model is that a handle is arranged at the top end of the fixing block.

[0012] A further setting of the utility model is that the ink box is made of a transparent material.

[0013] A further setting of the utility model is that a liquid outlet pipe is communicated and arranged on one side of the ink box, and a control valve is arranged on the liquid outlet pipe.

[0014] A further setting of the utility model is that the floating block is a conical shape with a wider bottom and a narrower top.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. By setting a cover plate, an ink box, etc., when printing is required, an appropriate amount of ink is added to the ink box so that the bottom of the printing roller is immersed in the ink. Then, the first motor and the second motor are turned on to drive the printing roller and the transition roller to rotate synchronously. When the printing roller rotates, the ink is smeared on the outer wall of the printing roller, and then the rotating printing roller evenly smears the ink on the outer wall of the transition roller. The plastic film is guided by the guiding roller to pass through the top of the transition roller, and the rotating transition roller prints the ink on the plastic film. Since a cover plate is arranged at the top end of the ink box and only a small part of the top end of the printing roller extends out of the cover plate, the splashing of the ink on the printing roller can be reduced when the printing roller rotates, thereby reducing the waste of ink. In addition, a liquid level indicating mechanism is set to indicate the liquid level of the ink in the ink box, and the worker is reminded to add ink when the ink liquid level is low, so as to avoid the influence of too low ink liquid level on the printing effect.

[0017] 2. By setting a floating block, a first connecting rod, etc., the floating block has a small density and floats on the ink. The first connecting rod movably passes through the cover plate. When the liquid level of the ink drops, the first connecting rod and the second connecting rod drop with the floating block. When the liquid level of the ink rises, the first connecting rod and the second connecting rod rise with the floating block. Therefore, when the second connecting rod drops with the first connecting rod and abuts against the cover plate, it prompts the worker that ink should be added to avoid the influence of too low ink liquid level in the ink box on the printing. By setting a floating block, a first connecting rod, etc., since the ink color is relatively deep and there is a cover plate at the top of the ink box, it is not convenient for the worker to directly observe the liquid level in the ink box. Therefore, the floating block is set to rise and fall with the change of the ink liquid level, so that the worker can judge the height of the ink in the ink box through the height of the second connecting rod and supplement the ink in time. Brief Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 is a schematic structural diagram of an embodiment of a plastic film printing machine with splash-proof ink of the present invention;

[0020] Figure 2 is Figure 1 an enlarged schematic view of A in

[0021] Figure 3 is a schematic cross-sectional structural diagram of an embodiment of a plastic film printing machine with splash-proof ink of the present invention;

[0022] Figure 4 is Figure 3 an enlarged schematic view of B in

[0023] In the figure, 1, machine body; 2, guiding roller; 3, printing roller; 4, transition roller; 5, first motor; 6, second motor; 7, ink box; 8, cover plate; 9, liquid level indicating mechanism; 9a, floating block; 9b, first connecting rod; 10, second connecting rod; 11, limiting groove; 12, limiting block; 13, liquid level alarm; 14, elastic plug block; 15, fixing block; 16, handle; 17, liquid outlet pipe; 18, control valve. Detailed Embodiments

[0024] The following will clearly and completely describe the technical solutions of the present invention in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] The present invention provides a plastic film printing machine with splash-proof ink, as Figures 1 to 4As shown in the figure, it includes a machine body 1, a guiding roller 2 rotatably arranged on the machine body 1, and a printing roller 3 rotatably arranged on the machine body 1. A transition roller 4 is horizontally rotatably arranged on the machine body 1. A first motor 5 for driving the printing roller 3 and a second motor 6 for driving the transition roller 4 are arranged on the machine body 1. The transition roller 4 is located directly above the printing roller 3, and the bottom end of the transition roller 4 can be attached to the top end of the printing roller 3. An ink box 7 is arranged on the machine body 1. The bottom of the printing roller 3 is located inside the ink box 7. A cover plate 8 is horizontally arranged at the top end of the ink box 7. The top end of the printing roller 3 passes through the cover plate 8 movably. A liquid adding hole is formed on the cover plate 8, and a liquid level indicating mechanism 9 is arranged inside the ink box 7.

[0026] Furthermore, the liquid level indicating mechanism 9 includes a floating block 9a and a first connecting rod 9b vertically arranged at the top end of the floating block 9a. The top of the first connecting rod 9b passes through the cover plate 8 movably, and a second connecting rod 10 is horizontally arranged at the top end of the first connecting rod 9b.

[0027] Furthermore, a long strip-shaped limiting groove 11 is vertically formed on the machine body 1, and a limiting block 12 matched with the limiting groove 11 is arranged at the end of the second connecting rod 10.

[0028] Furthermore, a liquid level alarm 13 is arranged on the cover plate 8, and the second connecting rod 10 can be abutted against the liquid level alarm 13.

[0029] Furthermore, an elastic plug block 14 is movably arranged on the liquid adding hole, and the outer wall of the elastic plug block 14 can be abutted against the inner wall of the liquid adding hole.

[0030] Furthermore, a funnel-shaped fixing block 15 is arranged at the top of the elastic plug block 14, and the bottom end of the fixing block 15 can be abutted against the liquid adding hole.

[0031] Furthermore, a handle 16 is arranged at the top end of the fixing block 15.

[0032] Furthermore, the ink box 7 is made of a transparent material.

[0033] Furthermore, a liquid outlet pipe 17 is communicated and arranged on one side of the ink box 7, and a control valve 18 is arranged on the liquid outlet pipe 17.

[0034] Furthermore, the floating block 9a is in a conical shape with a wider bottom and a narrower top.

[0035] When printing is required, an appropriate amount of ink is added to the ink box 7 so that the bottom of the printing roller 3 is immersed in the ink. Then, the first motor 5 and the second motor 6 are turned on to drive the printing roller 3 and the transfer roller 4 to rotate synchronously. When the printing roller 3 rotates, the ink is smeared on the outer wall of the printing roller 3, and then the rotating printing roller 3 evenly smears the ink on the outer wall of the transfer roller 4. The plastic film is guided by the guiding roller 2 to pass over the top of the transfer roller 4, and the rotating transfer roller 4 prints the ink on the plastic film. After that, as the ink is used, the liquid level of the ink in the ink box 7 drops, and the floating block 9a, the first connecting rod 9b, and the second connecting rod 10 drop accordingly. When the second connecting rod 10 drops to touch the liquid level alarm 13, the liquid level alarm 13 sounds to remind the worker to add ink; since a cover plate 8 is provided at the top of the ink box 7 and only a small part of the top of the printing roller 3 protrudes from the cover plate 8, the splashing of the ink on the printing roller 3 can be reduced when the printing roller 3 rotates, thereby reducing the waste of ink; in addition, the liquid level alarm 13, the floating block 9a, etc. are provided to indicate the liquid level of the ink in the ink box 7, and the worker is reminded to add ink when the ink liquid level is low, so as to avoid the ink liquid level being too low and affecting the printing effect.

[0036] By setting the floating block 9a, the first connecting rod 9b, etc., since the ink color is relatively dark and there is a cover plate 8 at the top of the ink box 7, it is not convenient for the worker to directly observe the liquid level in the ink box 7. Therefore, the floating block 9a is set to rise and fall with the change of the ink liquid level, so that the worker can judge the height of the ink in the ink box 7 through the height of the second connecting rod 10 and supplement the ink in time.

[0037] By setting the limit groove 11 and the limit block 12, the connection between the floating block 9a and the machine body 1 is increased, making the lifting process of the floating block 9a more stable. At the same time, when the floating block 9a rises to the limit block 12 touches the top of the limit groove 11, the addition of ink can be stopped, thereby preventing the liquid level in the ink box 7 from being too high and affecting the printing effect.

[0038] By setting the liquid level alarm 13, when the liquid level in the ink box 7 is too low, the second connecting rod 10 drops to touch the liquid level alarm 13, causing the liquid level alarm 13 to sound, reminding the worker to add ink, thereby further improving the recognition of the liquid level in the ink box 7 and avoiding the liquid level in the ink box 7 from being too low.

[0039] By setting the elastic plug block 14, it is possible to prevent external dust from entering the ink box 7 through the liquid adding hole and affecting the printing effect.

[0040] By setting the handle 16 and the fixing block 15, it is possible to ensure a tight connection between the elastic plug block 14 and the liquid adding hole, and it is also convenient to pick up the elastic plug block 14 to add ink.

[0041] It should be noted that the various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the embodiments, reference can be made to each other.

[0042] The above description is only a description of the preferred embodiments of the present invention, and does not limit the scope of the present invention in any way. Any changes and modifications made by those of ordinary skill in the art of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A plastic film printing machine that prevents ink splashing, characterized in that: It includes a machine body (1), a guiding roller (2) rotatably arranged on the machine body (1), and a printing roller (3) rotatably arranged on the machine body (1). A transition roller (4) is horizontally rotatably arranged on the machine body (1). A first motor (5) for driving the printing roller (3) and a second motor (6) for driving the transition roller (4) are arranged on the machine body (1). The transition roller (4) is located directly above the printing roller (3), and the bottom end of the transition roller (4) can be attached to the top end of the printing roller (3). An ink box (7) is arranged on the machine body (1). The bottom of the printing roller (3) is located inside the ink box (7). A cover plate (8) is horizontally arranged at the top end of the ink box (7). The top end of the printing roller (3) passes through the cover plate (8) movably. A liquid adding hole is formed in the cover plate (8), and a liquid level indicating mechanism (9) is arranged inside the ink box (7).

2. The plastic film printing machine for preventing ink splashing according to claim 1, wherein: The liquid level indicating mechanism (9) includes a floating block (9a) and a first connecting rod (9b) vertically arranged at the top end of the floating block (9a). The top of the first connecting rod (9b) passes through the cover plate (8) movably, and a second connecting rod (10) is horizontally arranged at the top end of the first connecting rod (9b).

3. The plastic film printing machine for preventing ink splashing according to claim 2, characterized in that: A long strip-shaped limiting groove (11) is vertically formed in the machine body (1), and a limiting block (12) matched with the limiting groove (11) is arranged at the end of the second connecting rod (10).

4. The plastic film printing machine for preventing ink splashing according to claim 3, wherein: A liquid level alarm (13) is arranged on the cover plate (8), and the second connecting rod (10) can abut against the liquid level alarm (13).

5. A plastic film printing machine for preventing ink splashing according to claim 1, characterized in that: An elastic plug block (14) is movably arranged on the liquid adding hole, and the outer wall of the elastic plug block (14) can abut against the inner wall of the liquid adding hole.

6. The plastic film printing machine for preventing ink splashing according to claim 5, wherein: A funnel-shaped fixing block (15) is arranged at the top of the elastic plug block (14), and the bottom end of the fixing block (15) can abut against the liquid adding hole.

7. A plastic film printing machine for preventing ink splashing according to claim 6, characterized in that: A handle (16) is arranged at the top end of the fixing block (15).

8. A plastic film printing machine for preventing ink splashing according to claim 1, characterized in that: The ink box (7) is made of a transparent material.

9. A plastic film printing machine for preventing ink splashing according to claim 1, characterized in that: A liquid outlet pipe (17) is communicated and arranged on one side of the ink box (7), and a control valve (18) is arranged on the liquid outlet pipe (17).

10. A plastic film printing machine for preventing ink splashing according to claim 2, characterized in that: The floating block (9a) is in a conical shape with a wider bottom and a narrower top.