Device for extracting natural pigment from camellia oleifera leaves and camellia oleifera shells

Abstract

The utility model is applicable to the field of oil tea processing, and provides a device for extracting natural pigment from oil tea leaves and oil tea shells, which comprises an extraction tank and a grinding component, the extraction tank comprises a grinding net and a crushing groove, the grinding component comprises a crushing roller and a plurality of grinding heads, raw materials are added into the extraction tank through an arranged feed port, and the raw materials are fed into the extraction tank. Raw materials are preliminarily crushed through the crushing roller and the crushing groove and fall into the grinding net, an extraction solvent is added into the extraction tank through the liquid inlet, and when the solvent flows through the surfaces of the crushing roller and the crushing groove, the surfaces can be cleaned, and the lubricating effect is achieved; the raw materials attached to the surfaces of the crushing roller and the crushing groove are flushed into the grinding net through the solvent, the crushed raw materials are ground through the rotating grinding head, at the moment, the solvent and the raw materials are mixed, natural pigments are extracted, after full extraction, the solution is discharged through the liquid outlet, and fine residues are filtered out through the filter cotton.

Description

Technical Field

[0001] The utility model belongs to the field of oil tea processing, in particular to a device for extracting natural pigments from oil tea leaves and shells. Background Art

[0002] Natural pigments are compounds with color extracted from plants, animals, or microorganisms found in nature. These pigments are widely used in a variety of fields, including food, cosmetics, pharmaceuticals, and textiles, adding natural color to products.

[0003] Existing natural pigments are usually extracted by extraction. However, the extraction method usually requires the raw materials to be fully crushed and then added with solvent extraction. The two steps are usually performed separately, which usually leads to the loss of pigments, thereby affecting the extraction effect, and at the same time increases the workload, which is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a device for extracting natural pigments from oil tea leaves and shells, aiming to solve the problems raised in the background technology.

[0005] The embodiment of the utility model is achieved as follows: a device for extracting natural pigments from oil tea leaves and shells comprises an extraction tank and a grinding assembly, the extraction tank comprises a lower tank, an upper tank, a grinding net and a crushing trough, the lower end of the lower tank is fixedly provided with a supporting leg, the grinding net is movably installed in the lower tank, the lower end of the lower tank is provided with a discharge port, filter cotton is movably installed in the discharge port, the upper end of the upper tank is fixedly provided with a feed port, the side surface of the upper tank is also provided with a liquid inlet, the crushing trough is fixedly provided on the inner side of the upper tank, and the side surface of the crushing trough is evenly and fixedly provided with multiple auxiliary grooves in a ring shape, the grinding assembly comprises a motor, a rotating shaft, a crushing roller and multiple grinding heads, the motor is fixedly installed in the middle of the upper end of the upper tank, the motor main shaft is fixedly connected to the rotating shaft, the rotating shaft movably passes through the upper tank and is located inside the extraction tank, the crushing roller is installed in the middle of the outer side of the rotating shaft, crushing heads are evenly arranged on the outer side of the crushing roller, and multiple connecting rods are provided at the lower end of the rotating shaft, and the grinding head is fixedly installed at one end of the connecting rod.

[0006] As a further solution of the present invention: a lower connecting plate is fixedly provided at the upper end of the outer side of the lower tank, an upper connecting plate is fixedly provided at the lower end of the outer side of the upper tank, a sealing ring is provided between the lower connecting plate and the upper connecting plate, and connecting parts are provided on the lower connecting plate, the upper connecting plate and the sealing ring.

[0007] As a further solution of the present invention: a mounting ring is fixedly provided on the upper outer end of the grinding screen, a mounting groove is opened on the upper inner end of the lower tank corresponding to the mounting ring, and the mounting ring is movably arranged in the mounting groove.

[0008] As a further solution of the present invention: the crushing groove is configured to be trumpet-shaped, and the auxiliary groove and the side surface of the crushing groove together form a tooth-shaped structure.

[0009] As a further solution of the present invention: the crushing roller is configured as a spindle-shaped structure, and the outer diameter of the lower end of the crushing roller is the same as the inner diameter of the lower end of the crushing trough.

[0010] As a further solution of the present invention: the inner bottom of the grinding mesh is set to a rounded corner, the grinding head is set to a spherical structure, the diameter of the grinding head is adapted to the rounded corner of the bottom of the grinding mesh, micropores are set on the side of the grinding mesh, and the surface of the grinding head is set to a frosted surface.

[0011] As a further solution of the present invention: a plurality of scrapers are fixedly mounted on the lower end of the rotating shaft, and the scrapers are configured as plate-shaped structures.

[0012] The beneficial effects of the present invention are:

[0013] 1. An embodiment of the present invention provides a device for extracting natural pigments from tea leaves and shells. Raw materials are added to the extraction tank through a set feed port, the raw materials are preliminarily crushed by the crushing roller and the crushing trough and fall into the grinding net, and an extraction solvent is added to the extraction tank through the liquid inlet. When the solvent flows through the surface of the crushing roller and the crushing trough, the surface can also be cleaned and lubricated. The solvent will flush the raw materials adhering to the surface of the crushing roller and the crushing trough into the grinding net, and the crushed raw materials are ground by a rotating grinding head. At this time, the solvent mixes with the raw materials and begins to extract the natural pigments. After sufficient extraction, the solution is discharged through the drain port, and the fine residue is filtered out by the filter cotton.

[0014] 2. The embodiment of the present invention provides a device for extracting natural pigments from tea leaves and shells, in which the lower connecting plate, the upper connecting plate and the sealing ring are fixed by the provided connecting parts, and the provided sealing ring improves the sealing effect between the lower tank and the upper tank, thereby reducing the volatilization of the extraction solvent.

[0015] 3. The embodiment of the present invention provides a device for extracting natural pigments from tea leaves and shells. The micropores provided on the surface of the grinding mesh improve the surface roughness of the grinding mesh, making it convenient to grind the raw materials with the grinding head. At the same time, it can also be used as a filter hole for preliminary filtration of the solution.

[0016] 4. The embodiment of the present invention provides a device for extracting natural pigments from tea leaves and shells. Through the provided scraper, the raw materials in the area that cannot be ground at the bottom of the grinding net can be scraped and squeezed into the grindable area, thereby improving the adequacy of grinding and further improving the adequacy of pigment extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1A three-dimensional structural diagram of a device for extracting natural pigments from tea leaves and shells provided in an embodiment of the utility model;

[0018] Figure 2 A partial cross-sectional view of a device for extracting natural pigments from tea leaves and shells provided in an embodiment of the utility model;

[0019] Figure 3 for Figure 2 A in the middle is an enlarged schematic diagram;

[0020] Figure 4 This is a three-dimensional structural diagram of a grinding assembly of a device for extracting natural pigments from oil tea leaves and shells provided in an embodiment of the utility model.

[0021] In the accompanying drawings: extraction tank 1, lower tank 11, supporting leg 111, drain port 112, lower connecting plate 113, mounting groove 114, upper tank 12, feed port 121, liquid inlet 122, upper connecting plate 123, grinding mesh 13, mounting ring 131, filter cotton 14, crushing groove 15, auxiliary groove 151, sealing ring 16, connecting piece 17, grinding assembly 2, motor 21, rotating shaft 22, crushing roller 23, crushing head 231, connecting rod 24, grinding head 25, scraper 26. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0024] like Figures 1 to 4As shown, an embodiment of the present invention provides a device for extracting natural pigments from tea leaves and shells, comprising an extraction tank 1 and a grinding assembly 2, wherein the extraction tank 1 comprises a lower tank 11, an upper tank 12, a grinding net 13 and a crushing groove 15, the lower end of the lower tank 11 is fixedly provided with a supporting leg 111, the grinding net 13 is movably installed in the lower tank 11, the lower end of the lower tank 11 is provided with a drain port 112, a filter cotton 14 is movably installed in the drain port 112, the upper end of the upper tank 12 is fixedly provided with a feed port 121, and the side of the upper tank 12 is also provided with a liquid inlet 122, the crushing groove 15 is fixedly provided on the inner side of the upper tank 12, and the side of the crushing groove 15 is fixedly provided with a plurality of auxiliary grooves 111 evenly distributed in an annular shape. 5l, the grinding assembly 2 includes a motor 2l, a rotating shaft 22, a crushing roller 23 and a plurality of grinding heads 25. The motor 2l is fixedly mounted in the middle of the upper end of the upper tank 12. The main shaft of the motor 2l is fixedly connected to the rotating shaft 22. The rotating shaft 22 movably passes through the upper tank 12 and is located inside the extraction tank 1. The crushing roller 23 is mounted in the middle of the outer side of the rotating shaft 22. Crushing heads 23l are evenly arranged on the outer side of the crushing roller 23. A plurality of connecting rods 24 are provided at the lower end of the rotating shaft 22. The grinding head 25 is fixedly mounted on one end of the connecting rod 24.

[0025] In one embodiment of the present invention, raw materials are added to the extraction tank 1 through the provided feed port 121, the raw materials are preliminarily crushed by the crushing roller 23 and the crushing trough 15 and fall into the grinding net 13, and an extraction solvent is added to the extraction tank 1 through the liquid inlet 122. When the solvent flows through the surface of the crushing roller 23 and the crushing trough 15, the surface can also be cleaned and lubricated. The solvent flushes the raw materials adhering to the surface of the crushing roller 23 and the crushing trough 15 into the grinding net 13, and the crushed raw materials are ground by the rotating grinding head 25. At this time, the solvent mixes with the raw materials and begins to extract the natural pigment. After sufficient extraction, the solution is discharged through the drain port 112, and the fine residue is filtered out by the filter cotton 14.

[0026] like Figure 3 As shown, as another embodiment of the present invention, a lower connecting plate 113 is fixedly provided at the upper end of the outer side of the lower tank 11, an upper connecting plate 123 is fixedly provided at the lower end of the outer side of the upper tank 12, a sealing ring 16 is provided between the lower connecting plate 113 and the upper connecting plate 123, and a connecting piece 17 is provided on the lower connecting plate 113, the upper connecting plate 123 and the sealing ring 16.

[0027] In one embodiment of the present invention, the lower connecting plate 113, the upper connecting plate 123 and the sealing ring 16 are fixed by the provided connecting piece 17, and the provided sealing ring 16 improves the sealing effect between the lower tank 11 and the upper tank 12, thereby reducing the volatilization of the extraction solvent.

[0028] like Figure 3 As shown, as another embodiment of the present invention, the outer upper end of the grinding mesh 13 is fixedly provided with a mounting ring 131, and the lower tank 11 is provided with a mounting groove 114 at the inner upper end corresponding to the mounting ring 131, and the mounting ring 131 is movably arranged in the mounting groove 114.

[0029] In one embodiment of the present invention, the mounting ring 131 is provided and cooperates with the sealing ring 16 to press the mounting ring 131 into the mounting groove 114, thereby facilitating the fixation of the grinding mesh 13 and preventing the grinding mesh 13 from rotating with the grinding head 25 due to friction between the grinding head 25 and the grinding mesh 13.

[0030] like Figure 2 As shown in FIG. 1 , as another embodiment of the present invention, the crushing groove 15 is configured to be trumpet-shaped, and the auxiliary groove 151 and the side surface of the crushing groove 15 together form a tooth-shaped structure.

[0031] In one embodiment of the present invention, the auxiliary groove 151 and the side surface of the crushing groove 15 form a toothed structure, which facilitates the preliminary grinding and crushing of the raw materials by cooperating with the crushing head 231 arranged on the outer side of the crushing roller 23.

[0032] like Figure 2 and Figure 4 As shown in FIG. 1 , as another embodiment of the present invention, the crushing roller 23 is configured as a spindle-shaped structure, and the outer diameter of the lower end of the crushing roller 23 is the same as the inner diameter of the lower end of the crushing trough 15 .

[0033] In one embodiment of the present invention, the raw materials are prevented from piling up on the top of the crushing roller 23 by the inclined surface on the upper part of the crushing roller 23 .

[0034] like Figure 2 and Figure 4 As shown, as another embodiment of the present invention, the inner bottom of the grinding mesh 13 is set to a rounded corner, the grinding head 25 is set to a spherical structure, the diameter of the grinding head 25 is adapted to the rounded corner of the bottom of the grinding mesh 13, the side of the grinding mesh 13 is provided with micropores, and the surface of the grinding head 25 is set to a frosted surface.

[0035] In one embodiment of the present invention, the surface roughness of the grinding mesh 13 is improved by setting micropores on the surface of the grinding mesh 13, which facilitates the grinding of raw materials with the grinding head 25, and can also serve as filter holes for preliminary filtration of the solution.

[0036] like Figure 2 and Figure 4 As shown in FIG. 1 , as another embodiment of the present invention, a plurality of scrapers 26 are fixedly mounted on the lower end of the rotating shaft 22 , and the scrapers 26 are configured as plate-shaped structures.

[0037] In one embodiment of the present invention, the scraper 26 is provided to scrape and squeeze the raw materials in the area that cannot be ground at the bottom of the grinding net 13 into the grindable area, thereby improving the adequacy of grinding and further improving the adequacy of pigment extraction.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0039] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0041] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0042] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A device for extracting natural pigments from oil tea leaves and shells, comprising an extraction tank (1) and a grinding assembly (2), characterized in that: The extraction tank (1) comprises a lower tank (11), an upper tank (12), a grinding net (13) and a crushing groove (15); a supporting leg (111) is fixedly provided at the lower end of the lower tank (11); the grinding net (13) is movably installed in the lower tank (11); a liquid discharge port (112) is provided at the lower end of the lower tank (11); a filter cotton (14) is movably installed in the liquid discharge port (112); a feed port (121) is fixedly provided at the upper end of the upper tank (12); a liquid inlet (122) is also provided on the side of the upper tank (12); the crushing groove (15) is fixedly provided on the inner side of the upper tank (12); and the side of the crushing groove (15) is evenly and fixedly provided with a plurality of ring-shaped holes. The invention relates to a grinding assembly (2) comprising a motor (21), a rotating shaft (22), a crushing roller (23) and a plurality of grinding heads (25). The motor (21) is fixedly mounted in the middle of the upper end of the upper tank (12). The main shaft of the motor (21) is fixedly connected to the rotating shaft (22). The rotating shaft (22) movably passes through the upper tank (12) and is located inside the extraction tank (1). The crushing roller (23) is mounted in the middle of the outer side of the rotating shaft (22). Crushing heads (231) are evenly arranged on the outer side of the crushing roller (23). A plurality of connecting rods (24) are arranged at the lower end of the rotating shaft (22). The grinding head (25) is fixedly mounted on one end of the connecting rod (24).

2. The device for extracting natural pigments from oil tea leaves and shells according to claim 1, characterized in that: A lower connecting plate (113) is fixedly provided at the upper end of the outer side of the lower tank (11), an upper connecting plate (123) is fixedly provided at the lower end of the outer side of the upper tank (12), a sealing ring (16) is provided between the lower connecting plate (113) and the upper connecting plate (123), and a connecting piece (17) is provided on the lower connecting plate (113), the upper connecting plate (123) and the sealing ring (16).

3. The device for extracting natural pigments from oil tea leaves and shells according to claim 1, characterized in that: A mounting ring (131) is fixedly provided at the upper end of the outer side of the grinding net (13); a mounting groove (114) is provided at the upper end of the inner side of the lower tank (11) corresponding to the mounting ring (131); and the mounting ring (131) is movably provided in the mounting groove (114).

4. The device for extracting natural pigments from tea leaves and shells according to claim 1, characterized in that: The crushing groove (15) is configured to be trumpet-shaped, and the auxiliary groove (151) and the side surface of the crushing groove (15) together form a tooth-shaped structure.

5. The device for extracting natural pigments from tea leaves and shells according to claim 4, characterized in that: The crushing roller (23) is configured as a spindle-shaped structure, and the outer diameter of the lower end of the crushing roller (23) is the same as the inner diameter of the lower end of the crushing groove (15).

6. The device for extracting natural pigments from oil tea leaves and shells according to claim 1, characterized in that: The inner bottom of the grinding net (13) is configured as a rounded corner, the grinding head (25) is configured as a spherical structure, the diameter of the grinding head (25) is adapted to the rounded corner of the bottom of the grinding net (13), micropores are configured on the side of the grinding net (13), and the surface of the grinding head (25) is configured as a frosted surface.

7. The device for extracting natural pigments from oil tea leaves and shells according to claim 6, characterized in that: A plurality of scrapers (26) are fixedly mounted on the lower end of the rotating shaft (22), and the scrapers (26) are configured as plate-shaped structures.

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