Three-roll universal ink scraping device

Abstract

This utility model discloses a universal scraper for a three-roll mill, relating to the field of ink manufacturing technology. It scrapes away ink from the end of the rollers to alleviate ink splatter. The device includes a mounting cylinder, a connecting column, a first bolt, and a second bolt. The mounting cylinder comprises a first cylinder and a second cylinder connected to each other. The first cylinder has a first threaded post with its axis parallel to the axis of the first cylinder. The second cylinder has a through hole, a first threaded hole, and a second threaded hole with its axis perpendicular to both the axes of the first and second cylinders. One end of the connecting column extends into the through hole, and the other end has a scraper. The first bolt is threaded into the first threaded hole and is used to abut and limit the connection with the end of the connecting column. The second bolt is threaded into the second threaded hole and is used to abut against the outer peripheral wall of the connecting column to press it tightly.

Description

Technical Field

[0001] This utility model relates to the field of ink manufacturing technology, and in particular to a universal scraping device for a three-roll mill. Background Technology

[0002] The main tasks of the three-roll mill are grinding, dispersing, and homogenizing. Its mission is to mix the solid particles (such as pigments) and liquids (such as resins, solvents, and other binders) in the ink to an extremely uniform degree, and to completely break down pigment agglomerates to achieve very small particle sizes. Finally, the finely ground ink adheres to the third, fastest-moving roller and is scraped off by a doctor blade, resulting in a very fine and uniform finished ink.

[0003] For existing three-roll mills, the ink is squeezed to the ends of the rollers due to the mutual grinding between the rollers. Some of the ink will stick to the ends of the rollers. Because of the need to leave room for rotation, this position does not contact other rollers. The ink at this position is not ground sufficiently, and ink splattering occurs. Due to the high speed of the roller rotation, ink is also easily splashed out, resulting in waste and increasing the number of times the ink is ground. Utility Model Content

[0004] This invention aims to solve the technical problems existing in the prior art. To this end, this invention proposes a universal scraper for a three-roller mill, capable of scraping off ink from the ends of the rollers to alleviate ink splattering.

[0005] A three-roller universal doctor blade device according to an embodiment of the present invention includes:

[0006] The mounting cylinder includes a first cylinder and a second cylinder connected to each other. The axis of the first cylinder is perpendicular to the axis of the second cylinder. The first cylinder is provided with a first threaded post, the axis of which is parallel to the axis of the first cylinder. The first threaded post is used for threaded connection to the threaded hole of the side frame of the three-roll mill. The second cylinder is provided with a through hole. The first cylinder is provided with a first threaded hole communicating with the through hole. The axis of the through hole and the axis of the first threaded hole are parallel to the axis of the second cylinder. The first cylinder is also provided with a second threaded hole, the axis of which is perpendicular to the axis of the first cylinder and the axis of the second cylinder.

[0007] The connecting post has one end extending into the through hole and the other end equipped with a scraper;

[0008] The first bolt is threadedly connected to the first threaded hole, and a nut is provided on the outer periphery of the first bolt. The first bolt is used to abut and limit the end of the connecting column.

[0009] The second bolt is threaded into the second threaded hole. The second bolt is used to abut against the outer peripheral wall of the connecting post to press the connecting post tight.

[0010] The universal scraper device for a three-roll mill according to this embodiment of the present invention has at least the following beneficial effects: By setting up a universal scraper device, ink can be scraped from the end of the roller. After being scraped off, the ink drips into the ink collection tank of the three-roll mill. Furthermore, the scraper blade of the universal scraper device can rotate around the axis of the second cylinder or move linearly along the axis of the second cylinder, thereby adjusting its position and enabling it to scrape ink from the roller 1 in different postures. This universal scraper device, through the ingenious combination of linear and rotational dual adjustment mechanisms, endows the scraper blade with multi-degree-of-freedom adjustment capabilities, allowing it to adapt to various working conditions in the optimal posture, achieving precise, efficient, and clean scraping of ink from the end of the roller.

[0011] In some embodiments, the end of the connecting column is provided with a flat plate, and the scraper is connected to the flat plate by a third bolt.

[0012] In some embodiments, the plate and the connecting post are connected by welding.

[0013] In some embodiments, the first cylinder and the second cylinder are connected by welding.

[0014] In some embodiments, the surface of the scraper is provided with a chrome plating layer.

[0015] In some embodiments, the first cylinder and the first threaded post are connected by welding.

[0016] In some embodiments, the mounting cylinder is L-shaped.

[0017] In some embodiments, the outer diameter of the first bolt is larger than the outer diameter of the second bolt.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of a three-roll mill according to some embodiments of the present invention;

[0021] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3This is a schematic diagram of the structure of the universal doctor blade and roller of a three-roller mill according to some embodiments of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the universal doctor blade device for a three-roller mill according to some embodiments of the present invention;

[0024] Figure 5 This is an exploded view of the universal doctor blade device for a three-roller mill according to some embodiments of the present invention;

[0025] Figure 6 This is a cross-sectional view of a three-roller universal scraper device according to some embodiments of the present invention.

[0026] Figure label:

[0027] Roller 1, side frame 2, threaded hole 3;

[0028] Mounting cylinder 100, first cylinder body 110, first threaded hole 111, second threaded hole 112, second cylinder body 120, first threaded post 121, through hole 122;

[0029] Connecting column 200, scraper 210, plate 220;

[0030] The first bolt is 300, and the nut is 310.

[0031] The second bolt is 400;

[0032] The third bolt is 500. Detailed Implementation

[0033] Reference Figure 4 As shown in the figure, a universal scraper for a three-roll mill, according to an embodiment of the present invention, includes a mounting cylinder 100, a connecting column 200, a first bolt 300, and a second bolt 400. This device aims to efficiently remove ink accumulated on the end face of the three-roll mill rollers, preventing it from overflowing and contaminating the equipment or affecting product quality, and guiding the scraped ink to a recovery tank, thus achieving clean production and material conservation.

[0034] Reference Figures 4 to 6As shown, the mounting cylinder 100 is L-shaped and includes a first cylinder 110 and a second cylinder 120 connected to each other. The first cylinder 110 and the second cylinder 120 are connected by welding. The axis of the first cylinder 110 is perpendicular to the axis of the second cylinder 120. The first cylinder 110 is provided with a first threaded post 121, and the first cylinder 110 and the first threaded post 121 are connected by welding. The axis of the first threaded post 121 is parallel to the axis of the first cylinder 110. The first threaded post 121 is used for threaded connection to the threaded hole 3 of the side frame 2 of the three-roll mill. The second cylinder 120 is provided with a through hole 122. The first cylinder 110 is provided with a first threaded hole 111 communicating with the through hole 122. The axis of the through hole 122 and the axis of the first threaded hole 111 are parallel to the axis of the second cylinder 120, respectively. The first cylinder 110 is also provided with a second threaded hole 112. The axis of the second threaded hole 112 is perpendicular to the axis of the first cylinder 110 and the axis of the second cylinder 120. One end of the connecting post 200 extends into the through hole 122, and the other end is provided with a scraper 210, which abuts against the end position of the roller. The first bolt 300 is threaded into the first threaded hole 111. A nut 310 is also provided on the outer periphery of the first bolt 300. The first bolt 300 is used to abut against the end of the connecting column 200, thereby limiting the movement of the connecting column 200. Rotating the first bolt 300 allows for fine adjustment of the distance between the scraper 210 and the roller 1. Tightening the nut 310 locks the position of the first bolt 300, preventing it from loosening. The second bolt 400 is threaded into the second threaded hole 112. The second bolt 400 abuts against the outer peripheral wall of the connecting column 200 to press and fix the connecting column 200. After loosening the second bolt 400, the connecting column 200 can rotate around the axis of the second cylinder 120 to adjust its posture and position.

[0035] This embodiment, by setting up a universal scraper, can achieve ink scraping at the end of the roller. After the ink is scraped off, it drips into the ink collection tank of the three-roll mill. Furthermore, the scraper blade 210 of the universal scraper can rotate around the axis of the second cylinder 120, and can also move linearly along the axis of the second cylinder 120 (e.g., ...). Figure 4 (As indicated by the arrow), thereby adjusting the position to scrape ink off the roller 1 in different postures. This universal scraping device, through the ingenious combination of linear and rotational dual adjustment mechanisms, gives the scraper 2 more than 10 degrees of freedom, enabling it to adapt to various working conditions in the best posture, and achieving precise, efficient, and clean scraping of ink off the end of the roller.

[0036] This embodiment also provides a three-roll mill, including the aforementioned universal doctor blade device. The universal doctor blade device is installed on the three-roll mill, as described above. Figures 1 to 3 As shown, the side frame 2 is located on both sides of the roller 1. The side frame 2 is provided with threaded holes 3, and the first threaded post 121 is threadedly connected to the threaded holes 3.

[0037] Reference Figure 5 As shown, in some embodiments, the end of the connecting post 200 is provided with a flat plate 220, which is connected to the connecting post 200 by welding. The scraper 210 is connected to the flat plate 220 by a third bolt 500. When the scraper 210 is worn, it can be easily replaced without replacing the entire assembly. Only the bolt needs to be removed to quickly replace the new blade, which greatly reduces maintenance costs and downtime.

[0038] In some embodiments, the surface of the scraper 210 is provided with a chrome-plated layer, which has high hardness and can improve the life of the scraper 210.

[0039] In some embodiments, the outer diameter of the first bolt 300 is larger than the outer diameter of the second bolt 400, which can reduce the space occupied. In terms of structural layout, the diameter of the first adjusting bolt is usually larger than that of the second locking bolt. This design ensures sufficient strength in the critical adjustment axis while also optimizing the overall structure, making it more compact and avoiding occupying too much operating space.

[0040] Examples of the embodiments described above are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described above with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0041] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0043] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0044] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A universal doctor blade for a three-roll mill, characterized in that, include: The mounting cylinder includes a first cylinder and a second cylinder connected to each other. The axis of the first cylinder is perpendicular to the axis of the second cylinder. The first cylinder is provided with a first threaded post, the axis of which is parallel to the axis of the first cylinder. The first threaded post is used for threaded connection to the threaded hole of the side frame of the three-roll mill. The second cylinder is provided with a through hole. The first cylinder is provided with a first threaded hole communicating with the through hole. The axis of the through hole and the axis of the first threaded hole are parallel to the axis of the second cylinder. The first cylinder is also provided with a second threaded hole, the axis of which is perpendicular to the axis of the first cylinder and the axis of the second cylinder. The connecting post has one end extending into the through hole and the other end equipped with a scraper; The first bolt is threadedly connected to the first threaded hole, and a nut is provided on the outer periphery of the first bolt. The first bolt is used to abut and limit the end of the connecting column. The second bolt is threaded into the second threaded hole. The second bolt is used to abut against the outer peripheral wall of the connecting post to press the connecting post tight.

2. The universal doctor blade device for a three-roller mill according to claim 1, characterized in that, The end of the connecting column is provided with a flat plate, and the scraper is connected to the flat plate by a third bolt.

3. The universal doctor blade device for a three-roller mill according to claim 2, characterized in that, The plate and the connecting column are connected by welding.

4. The universal doctor blade device for a three-roller mill according to claim 1, characterized in that, The first cylinder and the second cylinder are connected by welding.

5. The universal doctor blade device for a three-roll mill according to claim 1, characterized in that, The surface of the scraper is coated with a chrome layer.

6. The universal doctor blade device for a three-roller mill according to claim 1, characterized in that, The first cylinder and the first threaded post are connected by welding.

7. The universal doctor blade device for a three-roller mill according to claim 1, characterized in that, The mounting cylinder is L-shaped.

8. The universal doctor blade device for a three-roll mill according to claim 1, characterized in that, The outer diameter of the first bolt is larger than the outer diameter of the second bolt.

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