Blanking mill for grains

Abstract

The utility model relates to the technical field of grain processing equipment, and provides a grain flaking mill aiming at the situation that materials are easy to adhere to the surfaces of rollers of a traditional flaking mill, the grain flaking mill comprises a flaking mill body and a cleaning mechanism; the flaking mill body comprises a rack, and two rollers which are oppositely arranged are rotationally supported in the rack; the cleaning mechanism comprises two cleaning supports arranged in an inner cavity of the rack in a supported mode, scrapers are arranged on the cleaning supports, the scrapers of the two cleaning supports abut against the peripheral faces of the two rollers respectively, and the two ends of each scraper extend to the two ends of the corresponding roller respectively. The device has the effect of conveniently cleaning residual materials on the surface of the roller of the flaking mill.

Description

Technical Field

[0001] This application relates to the field of grain processing equipment, and in particular to a grain rolling mill. Background Technology

[0002] The rolling mill is an important piece of equipment in the grain and oil production process. It mainly uses two counter-rotating rollers to squeeze oilseeds such as soybeans and corn to form flakes and initially extract crude oil.

[0003] In related technologies, since oilseeds and grains usually contain a lot of oil, during the daily use of the rolling mill, some material is easily adhered to the outer circumference of the two rolls, which not only easily causes the rolls to be contaminated, but also affects the rolling of new materials by the subsequent rolls.

[0004] In response to this situation, the current method mainly involves manual cleaning of the roll surface periodically. However, manual cleaning of the rolls requires entering the roll mill, which is inconvenient due to the limited internal space and poses certain safety hazards. Therefore, there is room for improvement. Utility Model Content

[0005] To facilitate the cleaning of raw materials adhering to the surface of the rolling mill rolls, this application provides a grain rolling mill.

[0006] This application provides a grain rolling mill, which adopts the following technical solution:

[0007] A grain rolling mill includes a rolling mill body and a cleaning mechanism; the rolling mill body includes a frame, and two oppositely arranged rolling rollers are rotatably supported inside the frame; the cleaning mechanism includes two cleaning supports supported in the inner cavity of the frame, each cleaning support is provided with a scraper, the scrapers of the two cleaning supports respectively abut against the outer circumferential surface of the two rolling rollers, and the two ends of the scrapers respectively extend to the two ends of the corresponding rolling rollers.

[0008] By adopting the above technical solution, when the rolling mill uses two rollers to squeeze the material, the scraper that abuts against the outer circumference of the rollers can scrape off the material adhering to the outer circumference of the rollers, thus achieving timely cleaning of the outer circumference of the rollers and limiting the residual material on the roller surface. Compared with the traditional method of cleaning by manual periodic cleaning, this effectively reduces the cleaning difficulty of the rolling mill rollers. By extending the scraper to both ends of the corresponding rollers, the cleaning range of the cleaning mechanism is effectively increased, the generation of cleaning dead corners is reduced, and the cleaning mechanism can more comprehensively clean the roller surface.

[0009] Preferably, the two cleaning supports are located at the bottom of the two rollers respectively, and the scraper abuts against the bottom of the corresponding outer peripheral surface of the roller.

[0010] By adopting the above technical solution, and by placing the cleaning support at the bottom of the roll, the material removed by the scraper can fall naturally by gravity and be discharged through the discharge port at the bottom of the frame, reducing the accumulation of residue above the roll.

[0011] Preferably, the cleaning bracket includes a support shaft, the support shaft is connected to a blade holder via a rocker arm, and the scraper is connected to the blade holder via several connectors.

[0012] By adopting the above technical solution, the scraper can be detachably connected to the scraper holder, which facilitates the disassembly and replacement of the scraper after it wears out.

[0013] Preferably, the blade holder includes a first connecting plate and a second connecting plate, and the scraper is located between the first connecting plate and the second connecting plate; the connecting member includes a connecting bolt and a connecting nut, the connecting bolt is sequentially inserted through the first connecting plate, the scraper and the second connecting plate, and the connecting nut is threaded to the tail end of the connecting bolt.

[0014] By adopting the above technical solution, the scraper is clamped and fixed by the first connecting plate and the second connecting plate in conjunction with the connecting bolts and connecting nuts, which limits the scraper from loosening and displacement during the subsequent operation of the rolling mill. At the same time, when the scraper needs to be disassembled and replaced in the future, only the connecting bolts and connecting nuts need to be removed to replace the scraper.

[0015] Preferably, the frame is provided with an elastic drive member corresponding to the support shaft. The elastic drive member is driven to the support shaft and is used to drive the support shaft to drive the scraper to abut against the outer peripheral surface of the corresponding roll.

[0016] By adopting the above technical solution, the elastic drive component provides a continuous driving force to the support shaft, which makes the scraper closely fit the outer surface of the roll, which is conducive to better scraping and cleaning of the material adhering to the outer surface of the roll. At the same time, when the scraper wears out after long-term use, the elastic drive component can drive the support shaft to drive the scraper to continue to abut against the roll surface, ensuring the cleaning effect of the roll.

[0017] Preferably, the frame has a first observation port on each of its opposite sides, and the first observation ports on each of the opposite sides of the frame are respectively opposite to the two rollers. The frame is provided with a first cover plate corresponding to the first observation port, and the first cover plate blocks the first observation port.

[0018] By adopting the above technical solution, the working status of the roll can be observed periodically through the first observation port. When the scraper wears down and affects the cleaning effect of the roll, the roll can be cleaned with the help of the first observation port. The first cover plate is used to block the first observation port to limit the leakage of material through the first observation port during the operation of the rolling mill.

[0019] Preferably, the frame has a second observation port on each of its opposite sides, and the second observation ports on the opposite sides of the frame are respectively positioned opposite to the scrapers of the two cleaning brackets. The frame is provided with a second cover plate corresponding to the second observation port, and the second cover plate blocks the second observation port.

[0020] By adopting the above technical solution, the working status of the pipeline can be observed periodically through the second observation port to ensure that the scraper is always in contact with the outer periphery of the roll. The second cover plate effectively blocks the second observation port, preventing material from leaking out through the second observation port during the operation of the rolling mill.

[0021] Preferably, a cleaning air knife is installed on the side of the first cover plate facing the inner cavity of the frame.

[0022] By adopting the above technical solution, during the operation of the rolling mill, a high-speed airflow can be blown onto the rolls through the cleaning air knife on the first cover plate to further clean the fine materials remaining on the outer circumference of the rolls, which is conducive to cleaning the rolls more thoroughly.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. During the operation of the rolling mill, the material on the surface of the rolling mill rolls can be scraped off in time by the scraper that abuts against the corresponding rolls, thereby realizing automatic cleaning of the rolls and effectively improving the cleaning efficiency of the rolling mill rolls.

[0025] 2. By setting up the elastic drive component, the elastic drive component provides a stable driving force to the support shaft, so that the support shaft drives the scraper to always be in close contact with the outer surface of the roll. This is beneficial for the scraper to better scrape off the material adhering to the outer surface of the roll. At the same time, when the scraper wears out due to long-term use, the elastic drive component can automatically compensate for the gap between the scraper and the roll, so that the scraper can always be in contact with the roll surface.

[0026] 3. By installing a cleaning air knife on the side of the first cover plate facing the inner cavity of the frame, a high-speed airflow can be blown towards the opposite roll to assist in cleaning the roll and limit material adhesion to the roll. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the rolling mill used in Example 1.

[0028] Figure 2 This is a schematic diagram of the connection between the cleaning bracket and the scraper in Embodiment 1.

[0029] Figure 3 This is a schematic diagram of the structure of the elastic drive component used in Embodiment 1.

[0030] Figure 4 This is a schematic diagram illustrating the scraper in Embodiment 1.

[0031] Figure 5 yes Figure 1 Enlarged schematic diagram of part A in the middle.

[0032] Figure 6 This is a schematic diagram of the positional relationship between the first cover plate and the cleaning air knife in Embodiment 2.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Rolling mill body; 11. Frame; 12. Rolls; 13. First observation port; 14. First cover plate; 15. Second observation port; 16. Second cover plate; 2. Cleaning bracket; 21. Support shaft; 211. Connecting rod; 22. Rocker arm; 23. Tool holder; 231. First connecting plate; 232. Second connecting plate; 24. Scraper; 241. Long through hole; 3. Spring telescopic rod; 4. Cleaning air knife. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0036] This application discloses a grain rolling mill.

[0037] Example 1

[0038] A grain rolling mill, as described in the following text. Figure 1 and Figure 2 The system includes a rolling mill body 1 and a cleaning mechanism. The rolling mill body 1 includes a frame 11, within which two opposing rollers 12 are rotatably supported. The frame 11 is also equipped with a rotary drive for driving the two rollers 12 to rotate relative to each other. The cleaning mechanism includes two cleaning supports 2, each equipped with a scraper 24. The blades of the scrapers 24 on the two cleaning supports 2 respectively abut against the outer periphery of the two rollers 12, and both ends of the scrapers 24 extend to the corresponding ends of the rollers 12. When the rolling mill drives the two rollers 12 to rotate relative to each other to roll grain materials via the rotary drive, the scrapers 24 abutting against the outer periphery of the rollers 12 can clean the material adhering to the surface of the rollers 12 in real time.

[0039] Two cleaning frames are located at the bottom of the roller 12, so that the material scraped by the scraper 24 can slide down by its own weight and be discharged through the discharge port at the bottom of the frame 11, thus preventing the material scraped by the scraper 24 from re-adhering to the roller 12.

[0040] The cleaning support 2 includes a support shaft 21 mounted inside the frame 11. Two rocker arms 22 connect the support shaft 21 to blade holders 23 on its outer periphery. Scrapers 24 are connected to the blade holders 23 via several connecting parts. Both scrapers 24 are inclined upwards towards the extrusion gap between the two rollers 12. Furthermore, the straight-line distance between the cutting edges of the two scrapers 24 is less than the straight-line distance between the axes of the two rollers 12.

[0041] Reference Figures 1 to 3 Both ends of the support shaft 21 are rotatably mounted on the frame 11 via bearings, and each end of the support shaft 21 is vertically connected to a connecting rod 211. The frame 11 is provided with an elastic drive component corresponding to the support shaft 21. The elastic drive component is used to drive the support shaft 21 to drive the scraper 24 to abut against the roll 12. The elastic drive component includes a spring telescopic rod 3. Two spring telescopic rods 3 corresponding to the two support shafts 21 are located between the two support shafts 21, and the two spring telescopic rods 3 are arranged opposite to each other. One end of the spring telescopic rod 3 is hinged to the frame 11, and the other end is hinged to the end of the connecting rod 211 away from the support shaft 21. The spring telescopic rod is used to drive the connecting rod 211 to rotate the support shaft 21, thereby causing the scraper 24 on the support shaft 21 to swing upward and press against the surface of the corresponding roll 12. On the one hand, this helps the scraper 24 to better scrape off the material adhering to the surface of the roll 12. On the other hand, when the scraper 24 wears, the spring drive can automatically compensate for the gap between the scraper 24 and the roll 12, so that the scraper 24 can always be in contact with the surface of the roll 12, ensuring the scraping effect of the scraper 24 on the roll 12. In other embodiments, the elastic drive can also be in the form of a cylinder or hydraulic cylinder, etc., and the support shaft 21 is driven to move the scraper 24 to press against the surface of the corresponding roll 12 by adjusting the air pressure or hydraulic pressure.

[0042] Reference Figure 2 The tool holder 23 includes a first connecting plate 231 and a second connecting plate 232. The first connecting plate 231 is connected to the end of the rocker arm 22 away from the corresponding support shaft 21. The first connecting plate 231 and the second connecting plate 232 are arranged opposite to each other. The scraper 24 is located between the first connecting plate 231 and the second connecting plate 232. The connecting parts include a connecting bolt and a connecting nut. The connecting bolt passes through the first connecting plate 231, the scraper 24 and the second connecting plate 232 in sequence. The connecting nut is threaded to the tail end of the connecting bolt and abuts against the second connecting plate 232. This achieves a stable connection of the scraper 24 to the tool holder 23, restricting the scraper 24 from shifting during use. At the same time, it allows the scraper 24 to be detachably connected to the tool holder 23, facilitating disassembly and replacement of the scraper 24 after it is damaged.

[0043] Reference Figure 2 and Figure 4The scraper 24 has a long through hole 241 corresponding to the connecting bolt. The length direction of the long through hole 241 is perpendicular to the length direction of the scraper 24. The position of the scraper 24 can be adjusted according to actual needs through the setting of the long through hole 241.

[0044] Reference Figure 1 and Figure 5 The frame 11 has first observation ports 13 on both sides, which are respectively positioned opposite two rollers 12 inside the frame 11. The first observation ports 13 allow for observation of the cleaning status of the rollers 12 and also assist in cleaning the rollers 12. The frame 11 also has a first cover plate 14 for sealing the first observation ports 13. The outer periphery of the first cover plate 14 is magnetically attached to the inner periphery of the first observation port 13 via a magnetic attractor. During normal operation of the rolling mill, the first cover plate 14 seals the first observation port 13, preventing material leakage from the rolling mill through the first observation port 13.

[0045] The frame 11 has second observation ports 15 on both sides. The second observation ports 15 on both sides of the frame 11 are respectively positioned opposite the scrapers 24 of the two cleaning supports 2. The operation of the scrapers 24 can be observed through the second observation ports 15 so that the scrapers 24 can be replaced in time if they are damaged. The frame 11 is also provided with a second cover plate 16 for sealing the second observation ports 15. The bottom of the second cover plate 16 is hinged to the bottom of the second observation port 15, and the top of the second cover plate 16 is magnetically connected to the frame 11 by a magnetic suction device. During the normal operation of the rolling mill, the second observation ports 15 are sealed by the second cover plate 16 to prevent the material inside the rolling mill body 1 from leaking out through the second observation ports 15.

[0046] The implementation principle of this embodiment is as follows: By supporting a scraper 24 at the bottom of the roll 12 of the rolling mill body 1 and making the scraper 24 abut against the scraper surface; during the subsequent process of the two rolls 12 inside the rolling mill body 1 rotating relative to each other to roll the material, the material adhering to the outer periphery of the roll 12 can be scraped off in time by the scraper 24 abutting against the outer periphery of the roll 12, thereby realizing the automatic cleaning of the roll 12 and making the cleaning of residual material on the outer periphery of the roll 12 simpler and more convenient.

[0047] Example 2

[0048] Reference Figure 6 The difference between Embodiment 2 and Embodiment 1 is that a cleaning air knife 4 is installed on the side of the first cover plate 14 facing the inner cavity of the frame 11. The cleaning air knife 4 is located in the lower region of the first cover plate 14. The cleaning air knife 4 is connected to an external air source through an air pipe.

[0049] Subsequently, a high-speed airflow can be blown towards the opposite roll 12 through the cleaning air knife 4 to remove the small amount of material remaining after cleaning by the scraper 24, further reducing the material residue on the surface of the roll 12 and improving the overall cleaning effect of the roll 12.

[0050] The implementation principle of Example 2 is the same as that of Example 1, so it will not be described again.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A grain rolling mill, characterized in that: The device includes a rolling mill body (1) and a cleaning mechanism; the rolling mill body (1) includes a frame (11), and two oppositely arranged rolls (12) are rotatably supported inside the frame (11); the cleaning mechanism includes two cleaning supports (2) supported in the inner cavity of the frame (11), each of the cleaning supports (2) is provided with a scraper (24), the scrapers (24) of the two cleaning supports (2) respectively abut against the outer circumferential surface of the two rolls (12), and the two ends of the scrapers (24) respectively extend to the two ends of the corresponding rolls (12).

2. A grain rolling mill according to claim 1, characterized in that: The two cleaning supports (2) are located at the bottom of the two rollers (12) respectively, and the scraper (24) abuts against the bottom of the outer peripheral surface of the corresponding roller (12).

3. A grain rolling mill according to claim 2, characterized in that: The cleaning bracket (2) includes a support shaft (21), the support shaft (21) is connected to a blade holder (23) via a rocker arm (22), and the scraper (24) is connected to the blade holder (23) via several connectors.

4. A grain rolling mill according to claim 3, characterized in that: The blade holder (23) includes a first connecting plate (231) and a second connecting plate (232), and the scraper (24) is located between the first connecting plate (231) and the second connecting plate (232); the connecting member includes a connecting bolt and a connecting nut, the connecting bolt is sequentially inserted through the first connecting plate (231), the scraper (24) and the second connecting plate (232), and the connecting nut is threaded to the tail end of the connecting bolt.

5. A grain rolling mill according to claim 3, characterized in that: The frame (11) is provided with an elastic drive member corresponding to the support shaft (21). The elastic drive member is driven to the support shaft (21). The elastic drive member is used to drive the support shaft (21) to drive the scraper (24) to abut against the outer circumferential surface of the corresponding roll (12).

6. A grain rolling mill according to claim 2, characterized in that: The frame (11) has a first observation port (13) on each side. The first observation port (13) on each side of the frame (11) is opposite to the two rollers (12). The frame (11) is provided with a first cover plate (14) corresponding to the first observation port (13). The first cover plate (14) is used to block the first observation port (13).

7. A grain rolling mill according to claim 2, characterized in that: The frame (11) has a second observation port (15) on each side. The second observation port (15) on each side of the frame (11) is respectively positioned opposite to the scraper (24) of the two cleaning brackets (2). The frame (11) is provided with a second cover plate (16) corresponding to the second observation port (15). The second cover plate (16) is used to block the second observation port (15).

8. A grain rolling mill according to claim 6, characterized in that: A cleaning air knife (4) is installed on the side of the first cover plate (14) facing the inner cavity of the frame (11).

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