Roller surface cleaning device of paper machine
By designing a roller surface cleaning device with a scraper and water spray system on the papermaking machine, the problem of material particles and moisture adhering to the surface of the press roller is solved, the surface of the press roller is cleaned, and the drainage and dehydration effects of the pulp are improved.
Patent Information
- Application Number
- CN202422498055.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-16
AI Technical Summary
Material particles and moisture attached to the surface of the paper machine press rollers cause uneven pressure distribution, affecting the drainage and dehydration of the pulp.
A roller surface cleaning device including a scraper and a water spray system is designed. Impurities are scraped off by the scraper and sprayed with a water spray pipe to keep the surface of the press roller clean.
Effectively remove impurities on the surface of the press roll, ensure the smooth surface of the press roll, and improve the drainage and dehydration effect of the pulp.
Smart Images

Figure CN223337870U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paper production, in particular to a roller surface cleaning device for a papermaking machine. Background Art
[0002] A papermaking machine is a general term for a complete set of equipment that is interconnected and used to form pulp into a paper web, including main machines such as the headbox, wire section, press section, drying section, calender, reel, and transmission section, as well as auxiliary systems such as steam, water, vacuum, lubrication, and heat recovery. The press section further dehydrates the formed wet paper sheets by applying pressure; however, when undried paper is pressed by the press rollers, the material particles and moisture on the paper material may adhere to the surface of the paper machine's press mechanism. The adhesion of material particles and moisture will cause unevenness on the surface of the press rollers or other structures, which will lead to uneven pressure distribution in different areas, thereby affecting the drainage and dehydration of the pulp. Utility Model Content
[0003] The purpose of the utility model is to provide a roller surface cleaning device for a papermaking machine to solve the problems raised in the above background technology.
[0004] To achieve the above purpose, the present invention provides the following technical solutions:
[0005] A roller surface cleaning device for a papermaking machine comprises a base, a cleaning mechanism being provided on the top of the base;
[0006] The top end of the fixing plate is fixedly provided with a water spray pipe, and the other end of the water spray pipe is fixedly connected to the top of the left side of the fixing plate.
[0007] As a preferred solution of the present invention, the threads on the upper and lower sides of the double-thread screw surface are arranged in opposite directions, the top end of the double-thread screw is connected to the output end of the driving motor through a coupling, the right ends of the two moving blocks respectively pass through the two limiting sliding grooves, and the left ends of the two connecting plates are respectively fixedly connected to the right sides of the two moving blocks.
[0008] As a preferred solution of the present invention, the two pulleys extend to the interior of the two chutes respectively and are movably connected to the inner walls of the two chutes, and spray ports are equidistantly provided at the bottom of the water spray pipe.
[0009] As a preferred solution of the present invention, an upper pressing roller and a lower pressing roller are arranged between the two scrapers, the upper pressing roller is arranged above the lower pressing roller, the left and right ends of the upper pressing roller are respectively rotatably connected to the side opposite to the fixed shell and the fixed frame, and the left and right ends of the lower pressing roller are respectively rotatably connected to the side opposite to the fixed frame and the fixed shell.
[0010] As a preferred solution of the present invention, a circulation component is provided on the top and the right side of the base, and the circulation component includes a water pump arranged on the right side of the base, the left side of the water pump is fixedly connected to the right side of the base, and the top of the water pump is fixedly connected to a connecting pipe, and the other end of the connecting pipe is fixedly connected to the middle part of the top of the water spray pipe.
[0011] As a preferred solution of the present invention, a water collecting tank is opened in the middle of the top of the base, a filter screen is provided on the top of the inner cavity of the water collecting tank, a water pump is fixedly connected to the side away from the connecting pipe with a water suction pipe, and the other end of the water suction pipe extends to the interior of the water collecting tank.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. In the utility model, two scrapers are in contact with the upper press roll and the lower press roll respectively. As the upper press roll and the lower press roll rotate, the scrapers can scrape off impurities on the surface. At the same time, the water spray pipe and the spray port can spray and clean the upper press roll and the lower press roll to keep the surface of the press roll clean. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural diagram of the utility model;
[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the cleaning mechanism of the present utility model;
[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the base of the utility model.
[0017] In the figure: 1. Base; 2. Cleaning mechanism; 201. Fixed shell; 202. Fixed frame; 203. Double-thread screw; 204. Moving block; 205. Driving motor; 206. Connecting plate; 207. Scraper; 208. Slide; 209. Pulley; 210. Water spray pipe; 211. Spray port; 212. Limiting slide; 3. Upper pressing roller; 4. Lower pressing roller; 5. Circulation component; 501. Water pump; 502. Suction pipe; 503. Connecting pipe; 504. Water collecting tank; 505. Filter plate. DETAILED DESCRIPTION
[0018] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0019] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0022] For examples, see Figure 1 、 Figure 2 , the utility model provides a technical solution:
[0023] A roller surface cleaning device for a papermaking machine includes a base 1, a cleaning mechanism 2 is provided on the top of the base 1, and the cleaning mechanism 2 includes a fixed shell 201 and a fixed frame 202 provided on the left and right sides of the top of the base 1. The bottom of the fixed shell 201 is fixedly connected to the left side of the top of the base 1, and the bottom of the fixed frame 202 is fixedly connected to the right side of the top of the base 1. The inner cavity of the fixed shell 201 is provided with a double-thread screw 203, and the bottom end of the double-thread screw 203 is rotatably connected to the bottom of the inner cavity of the fixed shell 201. The top of the fixed shell 201 is fixedly connected to a drive motor 205. The surface of the double-thread screw 203 is fixedly connected to the bottom of the inner cavity of the fixed shell 201. The upper and lower sides of the fixed housing 201 are threadedly connected with movable blocks 204, and the upper and lower sides of the right side of the fixed housing 201 are symmetrically provided with limiting slide grooves 212. Two connecting plates 206 are provided between the fixed housing 201 and the fixed frame 202. The opposite sides of the two connecting plates 206 are fixedly connected with scrapers 207, and the right ends of the two connecting plates 206 are fixedly connected with pulleys 209. The upper and lower sides of the left side of the fixed frame 202 are symmetrically provided with slide grooves 208. The top of the right side of the fixed housing 201 is fixedly connected with a water pipe 210, and the other end of the water pipe 210 is fixedly connected to the top of the left side of the fixed frame 202.
[0024] like Figure 1 、 Figure 2 As shown, the threads on the upper and lower sides of the surface of the double-thread screw 203 are arranged in opposite directions. The top end of the double-thread screw 203 is connected to the output end of the drive motor 205 through a coupling. The right ends of the two moving blocks 204 respectively pass through the two limiting slides 212. The left ends of the two connecting plates 206 are fixedly connected to the right sides of the two moving blocks 204. The two pulleys 209 extend to the inside of the two slides 208 respectively and are movably connected to the inner walls of the two slides 208. Spray ports 211 are equidistantly arranged at the bottom of the water spray pipe 210. An upper pressing roller 3 and a lower pressing roller 4 are arranged between the two scrapers 207. The upper pressing roller 3 is arranged above the lower pressing roller 4. The left and right ends of the upper pressing roller 3 are respectively rotatably connected to the opposite side of the fixed shell 201 and the fixed frame 202. The left and right ends of the lower pressing roller 4 are respectively rotatably connected to the opposite side of the fixed frame 202 and the fixed shell 201.
[0025] like Figure 1 、 Figure 3 As shown, a circulation component 5 is provided on the top of the base 1 and the right side of the base 1. The circulation component 5 includes a water pump 501 arranged on the right side of the base 1. The left side of the water pump 501 is fixedly connected to the right side of the base 1. The top of the water pump 501 is fixedly connected to a connecting pipe 503. The other end of the connecting pipe 503 is fixedly connected to the middle part of the top of the water spray pipe 210. A water collecting tank 504 is opened in the middle part of the top of the base 1. A filter screen plate 505 is provided on the top of the inner cavity of the water collecting tank 504. The side of the water pump 501 away from the connecting pipe 503 is fixedly connected to a water suction pipe 502. The other end of the water suction pipe 502 extends to the inside of the water collecting tank 504.
[0026] The working process of the utility model is as follows: when in use, the driving motor 205 drives the double-thread screw 203 to rotate, and the two moving blocks 204 move on the surface of the double-thread screw 203 to drive the two scrapers 207 to move closer to the middle, and the two scrapers 207 are in contact with the upper pressing roller 3 and the lower pressing roller 4 respectively. As the upper pressing roller 3 and the lower pressing roller 4 rotate, the scrapers 207 can scrape off the impurities attached to the surface of the upper pressing roller 3 and the lower pressing roller 4. At the same time, the water pump 501 uses the suction pipe 502 and the connecting pipe 503 to extract water from the water collection tank 504, and sprays it on the surface of the upper pressing roller 3 and the lower pressing roller 4 through the water spray pipe 210 and the spray port 211 for flushing, completing the cleaning of the upper pressing roller 3 and the lower pressing roller 4, and the sprayed water enters the interior of the water collection tank 504 through the filter screen 505, and the filter screen 505 can filter impurities and can be reused.
[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A roller surface cleaning device for a paper machine, comprising a base (1), characterized in that: A cleaning mechanism (2) is provided on the top of the base (1); The cleaning mechanism (2) comprises a fixed shell (201) and a fixed frame (202) arranged on the left and right sides of the top of the base (1); the bottom of the fixed shell (201) is fixedly connected to the left side of the top of the base (1); the bottom of the fixed frame (202) is fixedly connected to the right side of the top of the base (1); the inner cavity of the fixed shell (201) is provided with a double-thread screw (203); the bottom end of the double-thread screw (203) is rotatably connected to the bottom of the inner cavity of the fixed shell (201); the top of the fixed shell (201) is fixedly connected to a driving motor (205); and the upper and lower sides of the surface of the double-thread screw (203) are both threadedly connected to moving blocks (204). ), the upper and lower sides of the right side of the fixed shell (201) are symmetrically provided with limited sliding grooves (212), two connecting plates (206) are provided between the fixed shell (201) and the fixed frame (202), the two connecting plates (206) are fixedly connected to the scraper (207) on the opposite sides, the right ends of the two connecting plates (206) are fixedly connected to the pulley (209), the upper and lower sides of the left side of the fixed frame (202) are symmetrically provided with sliding grooves (208), the top of the right side of the fixed shell (201) is fixedly connected to the water spray pipe (210), and the other end of the water spray pipe (210) is fixedly connected to the top of the left side of the fixed frame (202).
2. A roller surface cleaning device for a papermaking machine according to claim 1, characterized in that: The threads on the upper and lower sides of the double-thread screw (203) are arranged oppositely. The top end of the double-thread screw (203) is connected to the output end of the drive motor (205) through a coupling. The right ends of the two moving blocks (204) respectively pass through the two limiting sliding grooves (212). The left ends of the two connecting plates (206) are respectively fixedly connected to the right sides of the two moving blocks (204).
3. The roller surface cleaning device for a papermaking machine according to claim 1, characterized in that: The two pulleys (209) extend to the interior of the two chutes (208) respectively and are movably connected to the inner walls of the two chutes (208). Spraying ports (211) are equidistantly provided at the bottom of the water spray pipe (210).
4. The roller surface cleaning device for a papermaking machine according to claim 1, characterized in that: An upper pressing roller (3) and a lower pressing roller (4) are provided between the two scrapers (207), the upper pressing roller (3) being provided above the lower pressing roller (4), the left and right ends of the upper pressing roller (3) being rotatably connected to the fixed housing (201) and the side opposite to the fixed frame (202), and the left and right ends of the lower pressing roller (4) being rotatably connected to the side opposite to the fixed frame (202) and the fixed housing (201).
5. The roller surface cleaning device for a papermaking machine according to claim 1, characterized in that: A circulation assembly (5) is provided on the top of the base (1) and on the right side of the base (1). The circulation assembly (5) comprises a water pump (501) provided on the right side of the base (1). The left side of the water pump (501) is fixedly connected to the right side of the base (1). A connecting pipe (503) is fixedly connected to the top of the water pump (501). The other end of the connecting pipe (503) is fixedly connected to the middle part of the top of the water spray pipe (210).
6. The roller surface cleaning device for a papermaking machine according to claim 5, characterized in that: A water collecting tank (504) is provided in the middle of the top of the base (1), and a filter screen (505) is provided at the top of the inner cavity of the water collecting tank (504). A water pump (501) is fixedly connected to a water extraction pipe (502) on the side away from the connecting pipe (503), and the other end of the water extraction pipe (502) extends into the interior of the water collecting tank (504).