Scraper adjusting mechanism

Abstract

The utility model relates to the technical field of scraper adjustment, and discloses a scraper adjusting mechanism which comprises a main frame, an extrusion assembly is installed on the inner wall of the main frame and used for extruding paper, a cleaning assembly is installed on the inner wall of the main frame and used for cleaning water and paper pulp on the extrusion assembly, and the cleaning assembly comprises a connecting frame. The connecting frame is rotatably mounted on the inner wall of the main frame, a mounting frame is fixedly connected to the side wall of the connecting frame, and a two-way threaded rod is rotatably connected to the top of the mounting frame; according to the scraper adjusting mechanism, by means of threaded connection between the two-way threaded rod and the sliding plate, when the two-way threaded rod rotates, the distance between the roller scraping knife and the lower pressing roller is adjusted, water stains and paper pulp on the side wall of the lower pressing roller can be conveniently cleaned through the roller scraping knife when the lower pressing roller rotates, and when too much paper pulp is attached to the side wall of the roller scraping knife, the connecting frame can be rotated; and the roller scraping knife at the bottom of the connecting frame rotates to the position below the lower pressing roller, and the lower pressing roller continues to be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to scraper adjusting technical field, concretely is a scraper adjusting mechanism. BACKGROUND

[0002] The paper machine is a machine, and its work is to change the paper pulp into paper. The screened paper pulp is transported to the paper machine, and is usually called the wet end. The wet end is the starting part of the paper machine, wherein the paper pulp is distributed on a moving surface with a grid to form the initial structure of the paper. In the wet end, the water in the paper pulp is removed by using a squeezing roller and a water absorption device to form a layer of wet paper. When the paper is squeezed by the squeezing roller, part of the water remains on the roller. At this time, the scraper is needed to remove the water from the roller. The paper machine press roll scraper water removal device is a key component of the wet end of the paper machine. It is used to remove excess water from the wet paper after the paper pulp is squeezed. The paper machine press roll scraper water removal device is disclosed in the publication number CN221837327U. It belongs to the field of papermaking technology. It comprises a base, a pair of symmetrical fixed frames fixedly connected to the top of the base, and a lifting mechanism arranged outside the fixed frames. The lifting mechanism comprises a threaded rod and a connecting block. The connecting block is threadedly connected to the outer wall of the threaded rod. A connecting plate is fixedly connected to the outer side wall of the connecting block. An inner plate is fixedly connected to the inner side wall of the connecting plate. An adjusting assembly is fixedly connected to the top of the inner plate. The adjusting assembly comprises an electric push rod and a rotating column. The paper machine press roll scraper water removal device adjusts the height of the scraper by the cooperation of the motor, the threaded rod, the connecting block, the connecting plate, the sliding rod, the sliding block and the inner plate. It can more accurately adjust the distance and angle between the scraper and the lower roller by cooperating with the fixed block, the connecting column, the electric push rod, the rotating column and the scraper.

[0003] The above-mentioned scheme has the following disadvantages: after the scraper cleans the lower pressure roller, the paper pulp and water on the surface of the lower pressure roller will adhere to the surface of the scraper. After a long time of use, a large amount of paper pulp will adhere to the surface of the scraper. At this time, the scraper not only cannot clean the surface of the lower pressure roller, but also will cause secondary pollution to the surface of the lower pressure roller. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a scraper adjusting mechanism, which has the advantages of facilitating the replacement and cleaning of the scraper, and avoids the problem of the scraper surface adhering to a large amount of paper pulp to pollute the lower pressure roller.

[0005] To achieve the purpose of facilitating the replacement and cleaning of the scraper, the utility model provides the following technical scheme:

[0006] A scraper adjusting mechanism, comprising a main frame, an extrusion assembly is mounted on the inner wall of the main frame, the extrusion assembly is used for extruding paper, a cleaning assembly is mounted on the inner wall of the main frame, the cleaning assembly is used for cleaning water and pulp on the extrusion assembly, further comprising:

[0007] The cleaning assembly comprises a connecting frame rotatably mounted on the inner wall of the main frame, a mounting frame fixedly connected to the side wall of the connecting frame, a two-way threaded rod rotatably connected to the top of the mounting frame, a sliding plate threadedly connected to the side wall of the two-way threaded rod located in the inner cavity of the connecting frame, a scraper roller fixedly connected to the side wall of the sliding plate, a servo motor fixedly connected to the side wall of the main frame, a rotating shaft fixedly connected to the output end of the servo motor, and the rotating shaft is fixedly connected to the connecting frame.

[0008] According to some embodiments, the side wall of the main frame is rotatably connected to a rotating column, the end of the rotating column is fixedly connected to a sleeve plate, the inner wall of the sleeve plate is slidably connected to a scraper plate, a spring is fixedly connected between the scraper plate and the sleeve plate, and the side wall of the two-way threaded rod and the rotating column is threadedly connected to a nut for fixing the two-way threaded rod and the rotating column.

[0009] According to some embodiments, the extrusion assembly comprises a lower pressing roller rotatably mounted on the inner wall of the main frame, and the lower pressing roller is located above the scraper roller, the side wall of the main frame is fixedly connected to a hydraulic assembly, the end of the hydraulic assembly is rotatably connected to an upper pressing roller located above the lower pressing roller, and the side wall of the scraper roller and the side wall of the scraper plate are both provided in an inclined shape.

[0010] Advantages

[0011] The scraper adjusting mechanism has the following advantages:

[0012] (1) The scraper adjusting mechanism utilizes the threaded connection between the two-way threaded rod and the sliding plate, so that when the two-way threaded rod rotates, the distance between the scraper roller and the lower pressing roller is adjusted, which facilitates the cleaning of water stains and pulp on the side wall of the lower pressing roller when the lower pressing roller rotates, and when the pulp attached to the side wall of the scraper roller is too much, the connecting frame can be rotated so that the scraper roller at the bottom of the connecting frame rotates below the lower pressing roller, and the lower pressing roller can be continuously cleaned.

[0013] (2) The scraper adjusting mechanism adjusts the position of the sleeve plate through the rotating column to adjust the angle of the scraper plate, so that the connecting frame drives the scraper roller to rotate, and under the elastic force of the spring, the scraper plate will always adhere to the side wall of the scraper roller, and the scraper plate will clean the pulp attached to the side wall of the scraper roller as the scraper roller rotates, so that the scraper roller can be repeatedly used without stopping. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The structure of the device is shown in the drawing;

[0015] Figure 2It is a structure schematic view of the cleaning assembly of the utility model.

[0016] Figure 3 It is a structure schematic view (front view) of the cleaning assembly of the utility model.

[0017] Figure 4 It is a structure schematic view (side view) of the device of the utility model.

[0018] In the figure: 1, main frame; 2, extrusion assembly; 201, lower pressing roller; 202, hydraulic assembly; 203, upper pressing roller; 3, cleaning assembly; 301, connecting frame; 302, mounting frame; 303, bidirectional threaded rod; 304, sliding plate; 305, scraping roller cutter; 306, servo motor; 307, rotating shaft; 4, rotating column; 401, cover plate; 402, scraper; 403, spring; 404, nut. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Referring to Figures 1-4 A scraping knife adjusting mechanism, comprising a main frame 1, a extrusion assembly 2 is installed on the inner wall of the main frame 1, the extrusion assembly 2 is used for extruding paper, a cleaning assembly 3 is installed on the inner wall of the main frame 1, the cleaning assembly 3 is used for cleaning water and paper pulp on the extrusion assembly 2, further comprising:

[0021] The cleaning assembly 3 comprises a connecting frame 301, the connecting frame 301 is rotatably installed on the inner wall of the main frame 1, the side wall of the connecting frame 301 is fixedly connected with a mounting frame 302, the top of the mounting frame 302 is rotatably connected with a bidirectional threaded rod 303, the inner cavity of the connecting frame 301 is fixedly connected with a sliding plate 304 on the two sides of the bidirectional threaded rod 303, and the side wall of the sliding plate 304 is fixedly connected with a scraping roller cutter 305;

[0022] The side wall of the main frame 1 is fixedly connected with a servo motor 306, the output end of the servo motor 306 is fixedly connected with a rotating shaft 307, and the rotating shaft 307 is fixedly connected with the connecting frame 301;

[0023] It should be noted that: rotating the two-way threaded rod 303 at the top of the rotating mounting frame 302, using the threaded connection between the two-way threaded rod 303 and the sliding plate 304, when the two-way threaded rod 303 rotates, the sliding plate 304 will simultaneously move away or approach on the two-way threaded rod 303, thereby adjusting the length of the scraper knife 305 extending to the outside of the connecting frame 301, facilitating the adjustment of the distance between the scraper knife 305 and the lower pressing roller 201, facilitating the rotation of the lower pressing roller 201, and the scraper knife 305 cleaning the water stains and pulp on the side wall of the lower pressing roller 201. When the pulp attached to the side wall of the scraper knife 305 is too much, the servo motor 306 can drive the rotating shaft 307 to rotate, so as to drive the connecting frame 301 to rotate, and the scraper knife 305 at the bottom of the connecting frame 301 rotates to the lower side of the lower pressing roller 201, continuing to clean the lower pressing roller 201.

[0024] Referring to Figures 1-4 , the side wall of the main frame 1 is rotatably connected with a rotating column 4, and the end of the rotating column 4 is fixedly connected with a sleeve plate 401;

[0025] The inner wall of the sleeve plate 401 is slidably connected with a scraper plate 402, and the scraper plate 402 and the sleeve plate 401 are fixedly connected with a spring 403;

[0026] The side wall of the two-way threaded rod 303 and the rotating column 4 is threadedly connected with a nut 404, and the nut 404 is used to fix the two-way threaded rod 303 and the rotating column 4;

[0027] It should be noted that: the position of the sleeve plate 401 can be adjusted by the rotating column 4, so as to adjust the angle of the scraper plate 402, so that the connecting frame 301 drives the scraper knife 305 to rotate. When the scraper knife 305 rotates, the scraper plate 402 will always adhere to the side wall of the scraper knife 305 under the action of the elastic force of the spring 403, and the scraper plate 402 rotates with the scraper knife 305, cleaning the pulp attached to the side wall of the scraper knife 305. Thus, the scraper knife 305 can be repeatedly used without stopping.

[0028] Referring to Figures 1-4 , the extrusion assembly 2 comprises a lower pressing roller 201, which is rotatably installed on the inner wall of the main frame 1, and the lower pressing roller 201 is located above the scraper knife 305;

[0029] The side wall of the main frame 1 is fixedly connected with a hydraulic assembly 202, and the end of the hydraulic assembly 202 located above the lower pressing roller 201 is rotatably connected with an upper pressing roller 203;

[0030] The side wall of the scraper knife 305 and the side wall of the scraper plate 402 are both inclined;

[0031] It should be noted that: the distance between the upper pressing roller 203 and the lower pressing roller 201 can be adjusted by the hydraulic assembly 202, so as to facilitate the extrusion of the paper between the lower pressing roller 201 and the upper pressing roller 203, and to facilitate the water removal.

[0032] Operation mode: the distance between the upper press roller 203 and the lower press roller 201 can be adjusted by the hydraulic assembly 202, so as to extrude the paper between the lower press roller 201 and the upper press roller 203, remove water, rotate the two-way threaded rod 303 at the top of the mounting frame 302, and utilize the threaded connection between the two-way threaded rod 303 and the sliding plate 304, so that the sliding plate 304 is away from or close to the two-way threaded rod 303 when the two-way threaded rod 303 rotates, thereby adjusting the length of the extension of the doctor blade 305 to the outside of the connecting frame 301, adjusting the distance between the doctor blade 305 and the lower press roller 201, and facilitating the doctor blade 305 to clean the water stains and pulp on the side wall of the lower press roller 201 when the lower press roller 201 rotates; when the pulp attached to the side wall of the doctor blade 305 is too much, the rotating shaft 307 can be driven by the servo motor 306 to rotate the connecting frame 301, so that the doctor blade 305 at the bottom of the connecting frame 301 rotates below the lower press roller 201, and the lower press roller 201 is continuously cleaned;

[0033] The position of the sleeve plate 401 can be adjusted by rotating the column 4, so as to adjust the angle of the scraper plate 402, rotate the connecting frame 301 to drive the doctor blade 305, and the scraper plate 402 is always attached to the side wall of the doctor blade 305 under the elastic force of the spring 403 when the doctor blade 305 rotates, and the scraper plate 402 rotates with the doctor blade 305 to clean the pulp attached to the side wall of the doctor blade 305, so that the doctor blade 305 can be repeatedly used without shutdown.

[0034] 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 the 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 doctor adjustment mechanism comprising a main frame (1), characterised in that: The inner wall of the main frame (1) is provided with an extrusion assembly (2) for extruding paper, and the inner wall of the main frame (1) is provided with a cleaning assembly (3) for cleaning water and pulp on the extrusion assembly (2), and further comprising: The cleaning assembly (3) comprises a connecting frame (301) rotatably installed on the inner wall of the main frame (1), and the side wall of the connecting frame (301) is fixedly connected with a mounting frame (302), and the top of the mounting frame (302) is rotatably connected with a bidirectional threaded rod (303), and the two side walls of the bidirectional threaded rod (303) located in the inner cavity of the connecting frame (301) are threadedly connected with sliding plates (304), and the side wall of the sliding plate (304) is fixedly connected with a scraper knife (305).

2. A doctor adjustment mechanism according to claim 1, wherein: The side wall of the main frame (1) is fixedly connected with a servo motor (306), the output end of the servo motor (306) is fixedly connected with a rotating shaft (307), and the rotating shaft (307) is fixedly connected with the connecting frame (301).

3. A doctor adjustment mechanism according to claim 2, wherein: The side wall of the main frame (1) is rotatably connected with a rotating column (4), and the end of the rotating column (4) is fixedly connected with a sleeve plate (401).

4. A doctor adjustment mechanism according to claim 3, wherein: The inner wall of the sleeve plate (401) is slidably connected with a scraper (402), and the spring (403) is fixedly connected between the scraper (402) and the sleeve plate (401).

5. A doctor adjustment mechanism according to claim 4, wherein: The side wall of the bidirectional threaded rod (303) and the rotating column (4) is threadedly connected with a nut (404), and the nut (404) is used for fixing the bidirectional threaded rod (303) and the rotating column (4).

6. A doctor adjustment mechanism according to claim 5, wherein: The extrusion assembly (2) comprises a lower pressing roller (201) rotatably installed on the inner wall of the main frame (1), and the lower pressing roller (201) is located above the scraper knife (305).

7. A doctor adjustment mechanism according to claim 6, wherein: The side wall of the main frame (1) is fixedly connected with a hydraulic assembly (202), and the end of the hydraulic assembly (202) is rotatably connected with an upper pressing roller (203) above the lower pressing roller (201).

8. A doctor adjustment mechanism according to claim 7, wherein: The side walls of the scraper knife (305) and the scraper (402) are both inclined.

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