CN216826436U

CN216826436U - Grinding tool and grinding machine for preparing high-fiber whole soybean milk

Info

Publication number: CN216826436U
Application number: CN202122778910.0U
Authority: CN
Inventors: 王一帆; 王传彭
Original assignee: Douyuanhe Shandong Food And Beverage Co ltd
Current assignee: Douyuanhe Shandong Food And Beverage Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-28
Anticipated expiration: 2031-11-12

Abstract

The application provides a grinding tool and a grinding machine for preparing high-fiber whole soybean milk, which comprise an inner rotor and an outer stator which are coaxially and rotatably connected, wherein the outer surface of the inner rotor is provided with a first grinding tooth, and the inner surface of the outer stator is provided with a second grinding tooth which is matched with the first grinding tooth for grinding; the grinding tool sequentially comprises a rough grinding area, a fine grinding area and an ultra-micro grinding area from top to bottom, and the tooth widths, the tooth depths and the tooth spaces of first grinding teeth and second grinding teeth in the rough grinding area, the fine grinding area and the ultra-micro grinding area are all sequentially reduced. The application provides a grind grinding apparatus, structural design is simple, can be applied to in the whole soybean milk grinder. During the in-service use, can adopt the dry soybean that does not peel or bubble beans as the slurrying raw materials to carry out the mill beans of multistage grinding under higher rotational speed, damage very little to producing the grinding apparatus, greatly reduced manufacturing cost, promote production efficiency and quality, and solved the problem that prior art's soybean milk grinder is difficult to grind the soybean with skin.

Description

Grinding tool and grinding machine for preparing high-fiber whole soybean milk

Technical Field

The application relates to the technical field of food, in particular to a grinding tool and a grinding machine for preparing high-fiber whole soybean milk.

Background

The traditional soybean eating method in China mainly comprises the step of preparing soybean into soybean milk for drinking. The existing soybean milk preparation processes comprise a raw soybean milk method, a cooked soybean milk method and a hot water slurry sleeving method, wherein dry soybeans are required to be soaked and peeled, the soaked soybeans can be softened and easily ground, the peeled soybeans can reduce the content of water insoluble substances and are easily ground, the preparation process is simplified, and the taste of the soybean milk is smooth.

However, the seed coat of soybean contains a large amount of crude fiber and trace elements (such as iron), and the use of dehulled soybean causes a large loss of crude fiber and trace elements, which seriously reduces the utilization rate of soybean nutrients. If the soybean with the peel is adopted as the grinding raw material, a large amount of large-particle pulp residues are generated during grinding, and the existence of a large amount of pulp residues is easy to generate sedimentation in the soybean milk on one hand, so that the stability of the soybean milk is poor, and the taste is seriously influenced by granular sensation caused during drinking; on the other hand, the pulp residue caused by the seed coat is easy to cause the blockage of the soybean milk grinder, particularly, the hardness of the dry soybean which is not soaked is higher, the damage probability of the existing pulping process and the existing pulping machine is higher during grinding, and the service life is seriously influenced.

Chinese patent document CN111919891A provides a grinding process and a soybean milk prepared by the grinding process, in which dried soybeans are peeled and mixed with water to be ground to obtain a slurry and bean dregs, and then the bean dregs are ground for a second time to obtain bean dreg liquid, which is then combined to obtain whole soybean milk.

Chinese patent document CN111296580A provides a method for preparing vegetable protein slurry, which adopts a dynamic ultrahigh pressure technology to treat the slurry, has high cost and great control difficulty, and is difficult to perform industrial mass production.

Therefore, the soybean milk grinding device in the prior art is difficult to grind the skinned soybeans, and obtains soybean milk which fully retains the nutrition of soybean crude fiber and has good sensory quality and storage stability.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application aims to provide a grinding and grinding tool for high-fiber whole soybean milk, and a soybean milk grinder having the same, which can be used to directly grind non-peeled dry soybeans or soaked soybeans to obtain whole soybean milk, and which can exhibit significantly improved sensory quality and storage stability while having a high content of crude fiber.

In one aspect, the present application provides a grinding tool for preparing high fiber whole soybean milk, comprising an inner rotor and an outer stator coaxially rotationally connected, with a grinding gap for grinding skinned soybeans between the inner rotor and the outer stator in a use state;

the outer surface of the inner rotor is provided with first grinding teeth, and the inner surface of the outer stator is provided with second grinding teeth which are matched with the first grinding teeth for grinding;

the grinding tool comprises a rough grinding area, a fine grinding area and an ultra-micro grinding area from top to bottom, wherein the tooth widths, the tooth depths and the tooth spaces of first grinding teeth and second grinding teeth in the rough grinding area, the fine grinding area and the ultra-micro grinding area are all reduced in sequence.

Further, the rough grinding zone comprises a primary grinding zone and a secondary grinding zone, wherein the tooth width, the tooth depth and the tooth spacing of the first grinding tooth and the second grinding tooth in the secondary grinding zone are all smaller than those of the primary grinding zone;

the fine grinding area comprises a third-stage grinding area, and the tooth width, the tooth depth and the tooth space of a first grinding tooth and a second grinding tooth in the third-stage grinding area are smaller than those of the second-stage grinding area;

the ultra-micro grinding area comprises a four-stage grinding area and a five-stage grinding area, wherein the tooth width, the tooth depth and the tooth space of a first grinding tooth and a second grinding tooth in the four-stage grinding area are all smaller than those of the three-stage grinding area, and the tooth width, the tooth depth and the tooth space of the first grinding tooth and the second grinding tooth in the five-stage grinding area are all smaller than those of the four-stage grinding area.

Optionally, the heights of the five grinding zones in the axial direction can be sequentially increased or sequentially decreased, or the heights can be adjusted according to actual requirements. In a preferred embodiment, the five grinding zones are of equal height in the axial direction.

Preferably, after the soybean is ground by the primary grinding area and the secondary grinding area, the particle size of the soybean material is 250-380 μm; after the soybean is ground in the third grinding area, the particle size of the soybean material is 180-200 mu m; after being ground by the four-stage grinding area and the five-stage grinding area, the grain diameter of the soybean material is less than or equal to 100 mu m.

Wherein, set up the one-level grinding district and the second grade grinding district in the corase grinding district, this kind of structure is mainly accomplished and is got into the soybean that the one-level grinding district in the corase grinding district can be ground, can reach the effect of ground when especially using the dry bean, later gets into the further grinding of second grade grinding district again, because the tooth width of second grade grinding district, interval, the three dimension of tooth depth all are less than the first order, the soybean material that gets into this district will be ground more finely, accomplishes the coarse grinding of soybean structure. However, the existing domestic grinding equipment can only grind coarse but not fine, and the other can only grind fine but not coarse, because the grinding tool structure inside the grinding tool for grinding coarse has enough grinding tooth strength, but the structural characteristics of the grinding tool determine that the grinding tool cannot grind fine, the grinding tool for grinding fine cannot grind coarse, particularly dry soybeans, because the grinding tooth is too fine and has insufficient strength, the grinding tooth is quickly ground to be broken when the dry soybeans are ground, and the grinding tool provided by the application can solve the problem of difficulty in grinding the soybeans with skins.

And, the three dimensions of the width, spacing and depth of the grinding teeth in the fine grinding zone are smaller and finer than those in the rough grinding zone, thereby allowing the soybeans to be ground finer in this zone. The superfine grinding area below the fine grinding area is also provided with two-stage grinding teeth which are of a diamond structure, the diamond teeth of the five-stage grinding area are smaller and thinner than the diamond teeth of the four-stage grinding area, the grooves are shallower, soybean fibers are subjected to high-strength cutting and crushing, liquid particles are torn, and the superfine grinding effect is achieved, the soybean milk reaching the area is finer, the particle size is preferably less than or equal to 100 mu m, and more preferably less than or equal to 96 mu m.

Optionally, the five grinding areas can be fixedly arranged by sequentially overlapping grinding discs consisting of the inner rotor and the outer stator with five different grinding tooth shapes, tooth widths, tooth depths and tooth distances according to grinding fineness, and the number of the grinding discs can be continuously overlapped according to requirements; in another embodiment, the first grinding teeth on the outer surface of the inner rotor, which are integrally arranged, may be provided with different tooth shapes, tooth widths, tooth depths and tooth spaces to divide different areas, and in this case, the inner surface of the outer stator and the outer surface of the inner rotor may be provided with grinding teeth capable of being matched with grinding.

Further, the number of the tertiary grinding zones is set to be at least 1.

Further, the number of the three-stage grinding zones is 1-5, preferably 1 or 2 or 3.

Optionally, the size specification (including the tooth width, the tooth depth and the tooth space) of the first grinding tooth of the plurality of tertiary grinding zones may be completely the same, or may be gradually decreased from top to bottom.

In one embodiment, when the number of the three-stage grinding zones is 2 or more, the grinding tool may be divided into an upper part and a lower part at a plurality of three-stage grinding zones, wherein the rough grinding zone and the upper three-stage grinding zone form a grinding table, and the lower three-stage grinding zone and the ultra-micro grinding zone form a grinding table, so that the soybean material can be ground in a way of rough grinding plus fine grinding and fine grinding plus ultra-micro grinding in sequence. Optionally, the two millstones formed at this time can be in the same grinder, that is, the soybean raw material is directly put into the grinder for grinding, and finally discharged; or two grinders can be respectively arranged in the two grinders, and the two grinders are continuously used when in use, namely, the soybean raw material is put into the grinder for coarse grinding and then enters the grinder for ultra-micro grinding for grinding, and finally the pulp cooking material is obtained. The grinding tool thus provided can also achieve the same or better effect when grinding soybean materials.

Furthermore, the first grinding teeth of the first-stage grinding area, the second-stage grinding area and the third-stage grinding area are in inclined strip shapes, and the first grinding teeth of the fourth-stage grinding area and the fifth-stage grinding area are in rhombus shapes;

and the second grinding teeth of the first-stage grinding area to the fifth-stage grinding area are all in an inclined strip shape.

The grinding teeth in the coarse grinding area and the fine grinding area are in strip columnar structures, so that the strength is high, the wear resistance is high, the impact resistance is high, and the service life is long; the grinding teeth of the ultra-micro grinding area are of a diamond-shaped structure, and soybean fibers can be cut and crushed with higher strength.

Further, the strip-shaped inclined directions of the first grinding teeth of the primary grinding area, the secondary grinding area and the tertiary grinding area are opposite to each other;

the strip-shaped inclination directions of the second grinding teeth of the first-stage grinding area to the fifth-stage grinding area are opposite to each other.

Further, the strip-shaped inclined direction of the second grinding tooth is opposite to the strip-shaped inclined direction of the first grinding tooth matched with the second grinding tooth for grinding.

Furthermore, the tooth width of the first grinding tooth in the primary grinding area is 0.1-5 cm, the tooth depth is 0.1-5 cm, and the tooth distance is 0.1-5 cm.

Further, the inner rotor is in a shape of a truncated cone with a thin upper part and a thick lower part.

Furthermore, the inner rotor is also provided with a shaft hole for mounting a motor pivot shaft.

Further, the width of the grinding gap is 0.01-10 mm.

In another aspect, the present application also provides a whole soybean milk grinder including the above grinding tool.

Optionally, the grinding apparatus among the whole soybean milk grinder that this application provided adopts the grinding apparatus that this application provided, spare part among the conventional soybean milk machine among the prior art can all be adopted to other parts.

Optionally, the grinding tool applied to the soymilk grinder may further be provided with a feed port so that the soybeans enter the grinding gap of the grinding tool from the feed port to be ground.

The following beneficial effects can be brought through the application:

1. the application provides a grind grinding apparatus, structural design is simple, can be applied to in the whole soybean milk grinder. In practical use, non-peeled dry soybeans or soaked soybeans can be used as a pulping raw material, and multistage grinding is carried out at a high rotating speed, so that the damage to a production grinding tool is small, the production cost is greatly reduced, the production efficiency and quality are improved, and the problem that the soybean with skin is difficult to grind by a soybean milk grinding device in the prior art is solved;

2. when the grinding tool provided by the application is used for grinding soybeans, the utilization rate of the soybeans is high, seed coats do not need to be removed, the whole process is almost free of slag, the utilization rate of the soybeans can reach over 99.95 percent and can reach 99.98 percent at most;

3. The whole soybean milk prepared by grinding the soybean with the peel by using the grinding tool provided by the application is rich in a large amount of crude fibers, the trophism of the whole soybean milk is improved, the whole soybean milk obtained by grinding by using the grinding tool has superfine particle size, the emulsifying effect is better after subsequent pulp boiling and pulping, the obtained soybean milk is smooth in taste, rich in fragrance and good in stability, and can be stored for a long time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of an abrasive article;

FIG. 2 is a top view of the inner rotor;

FIG. 3 is a top view of the outer stator;

FIG. 4 is a cross-sectional view of an abrasive article;

in the figure: 1. an inner rotor; 101. a first grinding tooth of the primary grinding area; 102. a first grinding tooth of the secondary grinding area; 103. a third-stage grinding area first grinding tooth; 104. a first grinding tooth of the four-stage grinding area; 105. a first grinding tooth of the five-stage grinding area;

2. an outer stator; 201. a first grinding zone is used for grinding the first gear; 202. a second grinding tooth of the secondary grinding area; 203. a third grinding zone is used for grinding the first gear; 204. a second grinding tooth of the four-stage grinding area; 205. a second grinding tooth of the five-stage grinding area;

3. A shaft hole;

4. the gap is ground.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

The above objects, features and advantages of the present application can be more clearly understood and will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Embodiments of the present application provide a grinding mill for high-fiber whole soybean milk, and a soybean milk grinder having the same, which can be used to directly grind non-peeled dry soybeans or soaked soybeans to obtain whole soybean milk, and can exhibit significantly improved sensory quality and storage stability while having a high content of coarse fibers.

The embodiment of figures 1-4 provides an abrasive article. As shown in fig. 1, the grinding tool comprises an inner rotor 1 and an outer stator 2 which are coaxially and rotatably connected.

Wherein, inner rotor 1 is solid column, and its centre of a circle position department is equipped with the axial and runs through the shaft hole 3 of extension, and this shaft hole 3 can be used to install the motor pivotal axis, and when the in-service use, install inner rotor 1 on the motor pivotal axis of soybean milk grinder, after the starter motor, the electrode pivotal axis can drive inner rotor 1 and carry out high-speed pivot.

The outer stator 2 is a hollow cylinder, and is sleeved outside the inner rotor 1 and coaxial with the inner rotor 1 when in use. The principle of rotational grinding after the grinding tool composed of the inner rotor 1 and the outer stator 2 is connected with the pivot motor is well known in the art, and therefore, the detailed description is omitted.

Wherein, for realizing the rotation grinding, the surface of inner rotor 1 has along its radial bellied first gerar grinding, and the internal surface of outer stator 2 is along its radial bellied second gerar grinding to the second gerar grinding can grind with the cooperation of first gerar grinding, and the position that sets up and first gerar grinding phase-match. The grinding tool is characterized in that the whole grinding tool is sequentially divided into three grinding areas, namely a rough grinding area, a fine grinding area and an ultra-micro grinding area from top to bottom, optionally, the three grinding areas can be divided by the tooth width, the tooth depth and the tooth space of a first grinding tooth and a second grinding tooth, wherein the tooth width, the tooth depth and the tooth space of the first grinding tooth and the second grinding tooth in the rough grinding area, the fine grinding area and the ultra-micro grinding area are all sequentially reduced.

As shown in fig. 1 to 3, the rough grinding zone includes a primary grinding zone and a secondary grinding zone, the fine grinding zone includes a tertiary grinding zone, and the ultra-fine grinding zone includes a quaternary grinding zone and a quintuplet grinding zone.

With continued reference to fig. 1-3. The outer surface of the inner rotor 1 in the first-stage grinding area is provided with a first grinding tooth 101 of the first-stage grinding area, the first grinding tooth is in an inclined strip shape, the tooth width is 0.1-5 cm, the tooth depth is 0.1-5 cm, and the tooth distance is 0.1-5 cm; the inner surface of the outer stator 2 in the primary grinding area is provided with a primary grinding area second grinding tooth 201 which is also in an inclined long strip shape, the inclined direction is opposite to the inclined direction of the primary grinding area first grinding tooth 101, and the tooth width, the tooth depth and the tooth space of the primary grinding area second grinding tooth are the same as those of the primary grinding area first grinding tooth 101.

The outer surface of the inner rotor 1 in the secondary grinding area is provided with a first grinding tooth 102 of the secondary grinding area, the second grinding tooth is in an inclined strip shape, the inclination direction of the second grinding tooth is opposite to that of the first grinding tooth 101 of the primary grinding area, and the tooth width, the tooth depth and the tooth space are all smaller than those of the first grinding tooth 101 of the primary grinding area; the inner surface of the outer stator 2 in the secondary grinding area is provided with a secondary grinding area second grinding tooth 202 which is also in an inclined long strip shape, the inclined direction is opposite to the inclined direction of the secondary grinding area first grinding tooth 102, and the tooth width, the tooth depth and the tooth space are the same as those of the secondary grinding area first grinding tooth 102.

Preferably, the particle size of the soybean material after being ground in the primary grinding area and the secondary grinding area is 250-380 μm.

Wherein, set up one-level grinding district and second grade grinding district in the corase grind district, this kind of structure is mainly accomplished and can be ground the soybean that gets into the one-level grinding district in the corase grind district, can reach the effect of ground when especially using the dry bean, later gets into second grade grinding district further grinding again, because the tooth width of second grade grinding district, interval, the three dimensions of tooth depth all are less than first order, and the soybean material that gets into this district will be ground more thinly, accomplishes the coarse grinding of soybean structure. However, the existing domestic grinding equipment can only grind coarse but not fine, and the other can only grind fine but not coarse, because the grinding tool structure inside the grinding tool for grinding coarse has enough grinding tooth strength, but the structural characteristics of the grinding tool determine that the grinding tool cannot grind fine, the grinding tool for grinding fine cannot grind coarse, particularly dry soybeans, because the grinding tooth is too fine and has insufficient strength, the grinding tooth is quickly ground to be broken when the dry soybeans are ground, and the grinding tool provided by the application can solve the problem of difficulty in grinding the soybeans with skins.

With continued reference to fig. 1-3. The outer surface of the inner rotor 1 in the third-stage grinding area is provided with a first grinding tooth 103 of the third-stage grinding area, the first grinding tooth is in an inclined strip shape, the inclination direction of the first grinding tooth is opposite to that of the first grinding tooth 102 of the second-stage grinding area, and the tooth width, the tooth depth and the tooth space are all smaller than those of the first grinding tooth 102 of the second-stage grinding area; the inner surface of the outer stator 2 in the third-stage grinding area is provided with a third-stage grinding area second grinding tooth 203 which is also in an inclined long strip shape, the inclination direction of the third-stage grinding area second grinding tooth is opposite to the inclination direction of the third-stage grinding area first grinding tooth 103, and the tooth width, the tooth depth and the tooth space of the third-stage grinding area second grinding tooth are the same as those of the third-stage grinding area first grinding tooth 103.

Preferably, the particle size of the soybean material after being ground in the third grinding area is 180-200 μm.

Wherein, three dimensions of the tooth width, the interval and the tooth depth of the grinding teeth in the three-stage grinding area in the fine grinding area are smaller and finer than those in the rough grinding area, so that the soybeans are ground to be finer in the area.

With continued reference to fig. 1-3. The outer surface of the inner rotor 1 in the four-stage grinding area is provided with four-stage grinding area first grinding teeth 104 which are uniformly distributed diamond grinding teeth, preferably, the diagonal lengths of the diamond grinding teeth are equal, and the tooth width (which can be understood as the diagonal length of the diamond grinding teeth), the tooth depth and the tooth space are all smaller than the three-stage grinding area first grinding teeth 103; the inner surface of the outer stator 2 in the four-stage grinding area is provided with a four-stage grinding area second grinding tooth 204 which is in an inclined long strip shape, the inclined direction is opposite to the inclined direction of the three-stage grinding area second grinding tooth 203, the tooth width, the tooth depth and the tooth space are smaller than those of the three-stage grinding area second grinding tooth 203, and preferably, the tooth depth and the tooth space are the same as those of the four-stage grinding area first grinding tooth 104.

With continued reference to fig. 1-3. The outer surface of the inner rotor 1 in the five-stage grinding area is provided with five-stage grinding area first grinding teeth 105 which are uniformly distributed rhombic grinding teeth, preferably, the diagonal lengths of the rhombic grinding teeth are equal, and the tooth width (which can be understood as the diagonal length of the rhombic teeth), the tooth depth and the tooth space are smaller than those of the four-stage grinding area first grinding teeth 104; the inner surface of the outer stator 2 in the fifth-stage grinding area is provided with a fifth-stage grinding area second grinding tooth 205 which is in a tilted long strip shape, the tilting direction is opposite to the tilting direction of the fourth-stage grinding area second grinding tooth 204, and the tooth width, the tooth depth and the tooth space are smaller than those of the fourth-stage grinding area second grinding tooth 204, preferably, the tooth depth and the tooth space are the same as those of the fifth-stage grinding area first grinding tooth 105.

Preferably, the particle size of the soy material after grinding in the fourth and fifth grinding stages is 100 μm or less, more preferably 96 μm or less.

The ultra-micro grinding area is also provided with two-stage grinding teeth which are of a diamond structure, the diamond teeth of the five-stage grinding area are smaller and thinner than those of the four-stage grinding area, the grooves are shallower, soybean fibers are cut and crushed in a high-intensity mode, liquid particles are torn, the ultra-fine grinding effect is achieved, and the soybean milk reaching the area is ground to be thinner.

Optionally, the heights of the five grinding zones in the axial direction can be sequentially increased or sequentially decreased, or the heights can be adjusted according to actual requirements. In the preferred embodiment shown in fig. 1-4, the five abrasive zones are of equal height in the axial direction.

Optionally, the five grinding areas are arranged by fixedly arranging grinding discs consisting of the inner rotor and the outer stator with five different tooth shapes, tooth widths, tooth depths and tooth distances according to grinding fineness after the grinding discs are coaxially superposed in sequence, and at this time, the number of the grinding discs can be continuously superposed according to requirements; in another embodiment, the first grinding teeth on the outer surface of the integrally arranged inner rotor may be provided with different tooth shapes, tooth widths, tooth depths and tooth spaces to divide different areas, and in this case, the inner surface of the outer stator and the outer surface of the inner rotor may be provided with grinding teeth capable of being matched with grinding.

In the embodiment shown in fig. 1-4, five grinding zones in the grinding tool are integrally arranged, wherein the number of the three-stage grinding zones is one; in other embodiments, the number of tertiary grinding zones is at least 1, preferably 1 to 5, more preferably 1 or 2 or 3, which are not illustrated in the figures.

Optionally, the size specifications (including the tooth width, the tooth depth and the tooth space) of the first grinding tooth of the plurality of tertiary grinding zones may be identical or may be gradually decreased from top to bottom. In one embodiment, when the number of the three-stage grinding zones is 2 or more, the grinding tool may be divided into upper and lower parts at a plurality of the three-stage grinding zones, wherein the rough grinding zone and the upper three-stage grinding zone form a grinding table, and the lower three-stage grinding zone and the ultra-micro grinding zone form a grinding table, so that the soybean material can be ground in a manner of rough grinding plus fine grinding and fine grinding plus ultra-micro grinding in sequence. Optionally, the two grinding discs formed at this time can be in the same grinder, that is, the soybean raw material is directly put into the grinder for grinding, and finally discharged; or two grinders can be respectively arranged in the two grinders, and the two grinders are continuously used when in use, namely, the soybean raw material is put into the grinder for coarse grinding and then enters the grinder for ultra-micro grinding for grinding, and finally the boiling pulp material is obtained. The grinding tool thus provided can achieve the same or better effect when grinding soybean materials.

The grinding teeth in the coarse grinding area and the fine grinding area are in strip columnar structures, so that the strength is high, the wear resistance is high, the impact resistance is high, and the service life is long; the grinding teeth of the ultra-micro grinding area are of a diamond-shaped structure, and soybean fibers can be cut and crushed with higher strength. The inclined directions of the strip-shaped grinding teeth between the five grinding areas are opposite, so that the grinding tool is combined with high-speed rotation to further provide a shearing force with higher strength while grinding through rotary extrusion, soybean materials are not only ground and ground under the action of the shearing force with high strength, cell droplets are also torn and release a large amount of phospholipid, and the phospholipid is combined with the action of the shearing force to generate an emulsification effect on the soybean slurry, so that a suspension system of the soybean slurry prepared by the obtained soybean materials after a subsequent pulping process is more stable, has no precipitate after long-term storage, good storability, no granular sensation, smoother mouthfeel and strong soybean fragrance.

Referring to fig. 4, there is a grinding gap 4 for grinding the skinned soybeans between the inner rotor 1 and the outer stator 2 in the use state, and the width of the grinding gap 4 is 0.01 to 10mm, preferably 0.05 to 9mm, more preferably 0.02 to 8 mm. In a preferred embodiment, the overall outer shape of the grinding tool is cylindrical, while the inner rotor 1 is in the shape of a truncated cone with a thin upper part and a thick lower part, while the inner surface of the outer stator 2 is preferably in the shape of a truncated cone with a thick upper part and a thin lower part matching the inner rotor 1, while the width of the grinding gap 4 in the radial direction is uniform from the bottom to the top; in another embodiment, the inner surface of the outer stator 2 may be shaped as a rounded truncated cone with a large upper opening and a small lower opening, or may be shaped as a straight cylinder, i.e. the width of the grinding gap 4 in the radial direction gradually increases from the bottom to the top. Fig. 4 is a schematic sectional structure diagram of the preferred embodiment, and details of the grinding of each zone and schematic diagrams of the remaining embodiments are not shown.

Another embodiment of the present application also provides a whole soybean milk grinder including the above grinding mill. Optionally, the grinding tool among the whole soybean milk grinder that this application provided adopts the grinding tool that this application provided, spare part among the conventional soybean milk machine among the prior art can all be adopted to other part, for example grinder shell, driving motor, feed inlet, discharge gate etc..

Optionally, the grinding tool applied to the soymilk grinder may further have a feed opening, so that the soybeans enter the grinding gap 4 of the grinding tool from the feed opening for grinding, which is not illustrated in the figure.

Therefore, the whole soybean milk grinding tool provided by the embodiment is simple in structural design, can be applied to a whole soybean milk grinding machine, can adopt non-peeled dry soybeans or soaked soybeans as a pulping raw material in actual use, and grinds the soybeans by multi-stage grinding at a high rotating speed, so that the damage to the production grinding tool is small, the production cost is greatly reduced, the production efficiency and quality are improved, and the problem that the soybean milk grinding device in the prior art is difficult to grind the soybeans with skins is solved; moreover, when the grinding tool provided by the embodiment is used for grinding soybeans, the utilization rate of the soybeans is high, seed coats do not need to be removed, the whole process almost generates no slag, and the utilization rate of the soybeans can reach over 99.95 percent and can reach 99.98 percent at most; meanwhile, the whole soybean milk prepared by grinding the soybeans with the skins by using the grinding tool provided by the embodiment is rich in a large amount of crude fibers, so that the nutrition of the whole soybean milk is improved, the whole soybean milk obtained by grinding by using the grinding tool has an ultrafine particle size, the emulsifying effect is better after subsequent pulp boiling and pulping, the obtained soybean milk is smooth in taste, rich in fragrance and good in stability, and can be stored for a long time, and the whole soybean milk can be used as a bean product raw material to be prepared into various bean products.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A grinding tool for preparing high-fiber whole soybean milk, which is characterized by comprising an inner rotor and an outer stator which are coaxially and rotationally connected, wherein a grinding gap for grinding the skinned soybeans is arranged between the inner rotor and the outer stator in a use state;

2. The grinding sharpener for producing high fiber whole soybean milk according to claim 1, wherein the rough grinding zone comprises a primary grinding zone and a secondary grinding zone, and wherein the primary grinding zone has a smaller tooth width, a smaller tooth depth and a smaller tooth pitch than the primary grinding zone;

The fine grinding area comprises a third-stage grinding area, and the tooth width, the tooth depth and the tooth spacing of a first grinding tooth and a second grinding tooth in the third-stage grinding area are smaller than those of the second-stage grinding area;

3. The grinding stone for preparing high-fiber whole soybean milk according to claim 2, wherein the number of the tertiary grinding zones is set to at least 1.

4. The grinding tool for preparing high-fiber whole soybean milk according to claim 3, wherein the number of the tertiary grinding zones is 1 to 5.

5. The grinding tool for preparing high-fiber whole soybean milk according to claim 2, wherein the first grinding teeth of the primary, secondary and tertiary grinding zones are in the shape of inclined bars, and the first grinding teeth of the quaternary and quinary grinding zones are in the shape of diamonds;

6. The grinding tool for preparing high-fiber whole soybean milk according to claim 5, wherein the first grinding teeth of the primary, secondary and tertiary grinding zones have the inclination directions opposite to each other;

7. The grinding tool for preparing high-fiber whole soybean milk according to claim 5, wherein the second grinding teeth have a bar-shaped inclination direction opposite to that of the first grinding teeth for cooperative grinding.

8. The grinding tool for preparing high-fiber whole soybean milk according to claim 5, wherein the first grinding teeth of the primary grinding zone have a tooth width of 0.1 to 5cm, a tooth depth of 0.1 to 5cm, and a tooth pitch of 0.1 to 5 cm.

9. The grinding tool for preparing high-fiber whole soybean milk according to claim 1, wherein the inner rotor has a shape of a truncated cone with a thin upper part and a thick lower part; and/or the presence of a gas in the atmosphere,

the inner rotor is also provided with a shaft hole for mounting a pivot shaft of the motor; and/or the presence of a gas in the gas,

The width of the grinding gap is 0.01-10 mm.

10. A whole soybean milk grinder, comprising the grinding stone of any one of claims 1 to 9.