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CN-224220791-U - Plant negative pressure extraction element

CN224220791UCN 224220791 UCN224220791 UCN 224220791UCN-224220791-U

Abstract

The utility model relates to the technical field of plant negative pressure extraction, in particular to a plant negative pressure extraction device which comprises an extraction tank and a mounting cover arranged above the extraction tank, wherein a stirring mechanism and a scraping mechanism for cleaning the extraction tank are arranged in the mounting cover, the stirring mechanism comprises a mounting seat rotatably arranged on the mounting cover, a rotating rod is rotatably arranged in the mounting seat, a rotating frame is rotatably arranged in the mounting seat, the rotating rod penetrates through the rotating frame and is rotatably connected with the rotating frame, a first fluted disc is fixedly sleeved on the rotating rod, a second fluted disc is fixedly sleeved on the rotating frame, a tooth column is rotatably arranged in the mounting seat, bidirectional stirring of raw materials waiting for negative pressure extraction in the extraction tank and crushing treatment of partial large raw materials are realized through the arranged stirring mechanism, and the bidirectional stirring is based on turbulent flow effect of positive and negative rotation alternation, so that the pre-crushing of the raw materials with large particle diameters and efficient dissociation of cell walls are synchronously realized, and the mass transfer rate of active components is improved.

Inventors

  • ZHANG WEIMIN

Assignees

  • 安徽美香源食品科技有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (7)

  1. 1. The plant negative pressure extraction device comprises an extraction tank (1) and a mounting cover (3) arranged above the extraction tank (1), and is characterized in that a mounting frame (2) is fixedly arranged on the extraction tank (1), a bottom cover (4) is sleeved below the extraction tank (1) in a threaded manner, and a stirring mechanism (5) and a scraping mechanism (601) (6) for cleaning the extraction tank (1) are arranged in the mounting cover (3); The stirring mechanism (5) comprises a mounting seat (501) rotatably mounted on a mounting cover (3), a rotating rod (502) is rotatably mounted on the mounting seat (501), a rotating frame (504) is rotatably mounted on the mounting seat (501), the rotating rod (502) penetrates through the rotating frame (504) and is rotatably connected with the rotating frame (504), a first fluted disc (503) is fixedly sleeved on the rotating rod (502), a second fluted disc (505) is fixedly sleeved on the rotating frame (504), a toothed column (506) is rotatably mounted on the mounting seat (501), the first fluted disc (503) and the second fluted disc (505) are distributed on two sides of the toothed column (506), the toothed column (506) is respectively connected with the first fluted disc (503) and the second fluted disc (505) in a meshed mode, a fixed rod (507) is fixedly mounted below the rotating rod (507), a plurality of groups of first crushing blades (508) which are distributed at equal intervals are arranged on the fixed rod (507), a plurality of groups of second crushing blades (510) are fixedly sleeved on the rotating frame (509), the second fluted disc (510) are correspondingly arranged on the first crushing blades (508) and the second crushing blades (608) are correspondingly arranged on the first crushing blades (601) and the scraping blades (601).
  2. 2. The plant negative pressure extraction device according to claim 1, wherein a sliding rod (511) is fixedly arranged in the fixed rod (507), the sliding carriage (509) is in sliding sleeve joint with the sliding rod (511), two groups of symmetrically distributed springs (512) are sleeved on the sliding rod (511), two ends of the two groups of springs (512) are respectively and fixedly connected with the sliding carriage (509) and the fixed rod (507), a cam (513) is rotatably arranged on the fixed rod (507), and the cam (513) is in fit with the sliding carriage (509).
  3. 3. The plant negative pressure extraction device according to claim 1, wherein the scraping mechanism (601) (6) further comprises a mounting rod fixedly mounted on the mounting cover (3), a first telescopic rod (602) is slidably mounted in the mounting rod, a second telescopic rod (603) is slidably mounted in the first telescopic rod (602), and one end, far away from the mounting rod, of the second telescopic rod (603) is fixedly connected with the scraping plate (608).
  4. 4. The plant negative pressure extraction device according to claim 1, wherein the scraper (608) is rotatably provided with a mounting ring (609), the mounting ring (609) is sleeved with a toothed ring (610), the scraper (608) is rotatably provided with a driving wheel (611), the driving wheel (611) is meshed with the toothed ring (610), the mounting ring (609) is fixedly provided with a scraping block (612), and the scraping block (612) is attached to the lower surface of the scraper (608).
  5. 5. A plant negative pressure extraction device according to claim 3, wherein a threaded rod (604) is arranged in the mounting rod, the threaded rod (604) penetrates through the mounting rod and is rotationally connected with the mounting rod through a rolling bearing, a threaded pipe (606) is arranged in the first telescopic rod (602), and the threaded pipe (606) penetrates through the first telescopic rod (602) and is rotationally connected with the first telescopic rod (602) through the rolling bearing.
  6. 6. The plant negative pressure extraction device according to claim 5, wherein the threaded rod (604) penetrates through the first telescopic rod (602) and is in threaded connection with the first telescopic rod (602), and the threaded tube (606) penetrates through the second telescopic rod (603) and is in threaded connection with the second telescopic rod (603).
  7. 7. The plant negative pressure extraction device according to claim 5, wherein the threaded rod (604) is provided with two groups of symmetrically distributed keyways (605), two groups of symmetrically distributed key blocks (607) are arranged in the threaded pipe (606), the key blocks (607) are distributed corresponding to the keyways (605), and the threaded pipe (606) is in sliding sleeve joint with the threaded rod (604) through the key blocks (607).

Description

Plant negative pressure extraction element Technical Field The utility model relates to the technical field of plant negative pressure extraction, in particular to a plant negative pressure extraction device. Background The negative pressure extraction of plants mainly comprises improving extraction efficiency and retaining bioactive components ‌. The negative pressure technology utilizes the strong cavitation and mechanical effect generated by vacuum negative pressure to crush the cell wall at a lower temperature, so as to keep the bioactive components to the maximum extent and avoid the degradation ‌ of the components under the high temperature or high pressure condition, and the technology is particularly suitable for extracting thermosensitive substances such as flavonoid compounds, and can improve the extraction efficiency ‌ under the condition of not damaging the structure of the thermosensitive substances. In the traditional negative pressure extraction process, the extraction tank is mainly based on a static permeation principle or adopts single axial mechanical stirring to realize component separation, the mass transfer rate is limited, the cell wall is difficult to fully break, the fluctuation of the extraction rate of active substances is large, a intractable scaling layer is easily formed on the inner wall of the tank body by high-viscosity extracts (such as pectin, resin and polysaccharide substances), the non-productive time consumption is increased by more than 30% by manual scraping or chemical cleaning after the conventional shutdown, the environmental protection and cost pressure are further increased due to the use of an organic solvent, and the cross contamination risk caused by residues further restricts the continuous production process. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a plant negative pressure extraction device, which solves the problems proposed by the background technology. (II) technical scheme The plant negative pressure extraction device comprises an extraction tank and a mounting cover arranged above the extraction tank, wherein a mounting frame is fixedly arranged on the extraction tank, a bottom cover is sleeved on the lower part of the extraction tank through threads, and a stirring mechanism and a scraping mechanism for cleaning the extraction tank are arranged in the mounting cover; The stirring mechanism comprises a mounting seat which is rotatably mounted on a mounting cover, a rotating rod is rotatably mounted in the mounting seat, a rotating frame is rotatably mounted in the mounting seat, the rotating rod penetrates through the rotating frame and is rotatably connected with the rotating frame, a first fluted disc is fixedly sleeved on the rotating rod, a second fluted disc is fixedly sleeved on the rotating frame, a toothed column is rotatably mounted in the mounting seat, the first fluted disc and the second fluted disc are distributed on two sides of the toothed column, the toothed column is respectively connected with the first fluted disc and the second fluted disc in a meshed manner, a fixing rod is fixedly mounted below the rotating rod, a plurality of groups of first crushing cutters which are distributed at equal intervals are arranged on the fixing rod, a sliding frame is sleeved on the fixing rod in a sliding manner, a plurality of groups of second crushing cutters which are distributed at equal intervals are arranged on the sliding frame are correspondingly arranged with the first crushing cutters, and the scraping mechanism comprises a scraping plate and is arranged in a fit manner with the inner wall of an extraction tank. Preferably, the dead lever internal fixation has the slide bar, and the balladeur train is cup jointed with the slide bar slip, has cup jointed two sets of symmetrically distributed's springs on the slide bar, and the both ends of two sets of springs are respectively with balladeur train and dead lever fixed connection, rotate on the dead lever and install the cam, and the cam sets up with the balladeur train laminating. Preferably, the scraping mechanism further comprises a mounting rod fixedly mounted on the mounting cover, a first telescopic rod is mounted in the mounting rod in a sliding mode, a second telescopic rod is mounted in the first telescopic rod in a sliding mode, and one end, away from the mounting rod, of the second telescopic rod is fixedly connected with the scraping plate. Preferably, the scraper is rotationally provided with a mounting ring, the mounting ring is sleeved with a toothed ring, the scraper is rotationally provided with a driving wheel, the driving wheel is meshed with the toothed ring, the mounting ring is fixedly provided with a scraping block, and the scraping block is attached to the lower surface of the scraper. Preferably, the installation rod is internally provided with a threaded rod, the threaded ro