Grinding device for millet processing and production
By designing a multi-layer grinding disc and a filter structure, the problem of insufficient grinding in the grinding device is solved, achieving efficient multiple grinding and sieving, and improving the millet crushing efficiency and powder yield.
Patent Information
- Application Number
- CN202520398136.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing grinding equipment has the problem of insufficient grinding when grinding millet, which leads to the need for tedious reprocessing of the insufficiently ground raw materials, resulting in low grinding efficiency.
It adopts a multi-layer grinding disc structure, including a first, second and third grinding disc, combined with a filter screen and a filter box. Through multiple grinding and sieving processes, it achieves thorough grinding. Insufficiently ground particles are directly guided to the third grinding disc for fine grinding, avoiding manual operation.
It improves grinding efficiency, reduces the number of repeated grinding steps, increases powder yield, reduces grinding loss, and achieves more efficient pulverization.
Smart Images

Figure CN223915514U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to millet processing technical field especially, relate to a kind of grinding device for millet processing production. BACKGROUND
[0002] Millet has the efficacy of nourishing yin and blood, strengthening stomach and removing dampness, and is very nutritious, easy to digest and absorb. In addition to being directly heated to make porridge, millet can also be processed by a grinding device for further processing, transportation and consumption of food materials.
[0003] The existing grinding device generally rotates the grinding disc on the grinding disc to gradually grind the millet into fine powder. However, there is a problem of insufficient grinding during the grinding process, resulting in a large number of particles remaining after grinding. The existing processing method generally screens out large particles of millet by installing a filter screen, and then mixes the collected millet into the raw materials for re-grinding. This operation method is cumbersome and has low grinding efficiency.
[0004] The existing grinding device is cumbersome and has low grinding efficiency for re-grinding of insufficiently ground raw materials. SUMMARY
[0005] The utility model solves the problem of the existing grinding device, which is cumbersome and has low grinding efficiency for re-grinding of insufficiently ground raw materials.
[0006] The utility model adopts the technical scheme of providing a grinding device for millet processing production, which includes a tank body. The upper end of the tank body has a feed pipe, and the lower end has a discharge port. A drive motor is provided at the upper end of the tank body. It also includes:
[0007] A first grinding disc is rotatably arranged above the tank body. The drive motor drives the first grinding disc to rotate. The first grinding disc is in the shape of a circular truncated cone, with the smaller end located at the lower end.
[0008] The first grinding disc is in the shape of a funnel and is arranged inside the tank body and around the lower side of the first grinding disc. The feed pipe is in communication with the upper part of the first grinding disc.
[0009] A second grinding disc is in the shape of a circular truncated cone, with the smaller end fixedly arranged at the lower end of the first grinding disc.
[0010] A second grinding disc is arranged inside the tank body and around the upper side of the second grinding disc. The second grinding disc is in communication with the first grinding disc.
[0011] A third grinding disc is arranged at the lower end of the second grinding disc.
[0012] The third grinding disc is arranged in the tank body and sleeved on the lower periphery of the third grinding disc, and the middle part of the lower end of the third grinding disc is provided with a discharging pipe;
[0013] The filter screen is funnel-shaped and located below the second grinding disc, the side with larger opening of the filter screen is located upward and arranged on the side wall of the tank body, and the side with smaller opening is arranged on the upper end of the third grinding disc, and the millet residues on the filter screen slide into the third grinding disc from the filter screen;
[0014] The collecting box is arranged below the tank body and located below the discharging port and below the discharging pipe.
[0015] Further optimization of the technical solution, the third grinding disc has a hemispherical grinding part, the third grinding disc is a hemispherical shell, and the discharging pipe is arranged from the middle part of the discharging port.
[0016] Further optimization of the technical solution, the third grinding disc has a hemispherical grinding part, the third grinding disc is a hemispherical shell, and the discharging pipe is arranged from the middle part of the discharging port.
[0017] The filter box is arranged at the lower end of the discharging pipe and communicates with the discharging pipe, and the filter box is located above the collecting box.
[0018] Further optimization of the technical solution, the filter box is arranged at the lower end of the discharging pipe and communicates with the discharging pipe, and the filter box is located above the collecting box.
[0019] Further optimization of the technical solution, the lower end of the discharging pipe has an outer edge, the upper end of the filter box has a plug-in slot, and the outer edge is slidably plugged into the plug-in slot.
[0020] The beneficial effects of the utility model lie in:
[0021] 1. After screening through the filter screen, the millet which is not fully ground can be screened out and guided to the third grinding disc, and the large particle millet is directly screened under the cooperation of the third grinding disc and the third grinding disc, without manual operation, without mixing into the millet raw material, and the grinding is more sufficient, which is beneficial to improving the grinding efficiency.
[0022] 2. The third grinding disc has small grinding treatment capacity, can perform more fine grinding treatment, has small loss, is strong in pertinence, has higher treatment efficiency, improves the powder production rate, and does not need repeated grinding. DRAWINGS
[0023] Figure 1 The utility model discloses a structure schematic view;
[0024] Figure 2 The utility model discloses a Figure 1 The utility model discloses a structure schematic view;
[0025] Marked description: 1, tank body; 101, feed pipe; 102, discharge port; 103, driving motor; 201, first grinding disc; 202, second grinding disc; 203, third grinding disc; 2031, grinding part; 301, first grinding disc; 302, second grinding disc; 303, third grinding disc; 304, discharge pipe; 3041, outer edge; 4, filter screen; 5, collection box; 6, filter box; 601, plug-in slot. DETAILED DESCRIPTION
[0026] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.
[0027] In order to make the drawing simple, only the part related to the utility model is shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".
[0028] In this article, it is necessary to point out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.
[0029] In addition, in the description of the present application, the terms "first", "second" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.
[0030] As Figures 1-2As shown, a millet processing and production grinding device, including tank body 1, tank body 1 upper end with feed pipe 101, lower end with discharge port 102, tank body 1 upper end is provided with drive motor 103; also includes: first grinding disc 201, rotationally arranged in tank body 1 upper side, drive motor 103 drives first grinding disc 201 to rotate, first grinding disc 201 is circular truncated cone, and the smaller diameter end is located at the lower end; First mill 301, funnel-shaped, arranged in tank body 1 and sleeved on the lower side of the first grinding disc 201 periphery, feed pipe 101 communicates with the upper side of the first mill 301; Second grinding disc 202, second grinding disc 202 is circular truncated cone, and the smaller diameter end is fixedly arranged at the lower end of the first grinding disc 201; Second mill 302, arranged in tank body 1 and sleeved on the upper side of the second grinding disc 202 periphery, second mill 302 communicates with the first mill 301; Third grinding disc 203, arranged at the lower end of the second grinding disc 202; Third mill 303, arranged in tank body 1 and sleeved on the lower side of the third grinding disc 203 periphery, third mill 303 lower end middle part has discharge pipe 304; Filter screen 4, funnel-shaped and located below the second mill 302, the larger opening side of the filter screen 4 is located above and arranged on the side wall of the tank body 1, the smaller opening side is arranged on the upper end of the third mill 303, the millet residue on the filter screen 4 slides to the third mill 303 from the filter screen 4; Collecting box 5, arranged below the tank body 1, and located below the discharge port 102 and below the discharge pipe 304.
[0031] In use, the millet raw material is put into from the upper feed pipe 101, enters the first mill 301, and is ground for the first time when passing between the first grinding disc 201 and the second grinding disc 202, then enters the second mill 302, and is ground for the second time when passing between the second grinding disc 202 and the second mill 302, then falls from the lower side of the second mill 302 to the filter screen 4, and the powder particles qualified fall through the filter screen 4 to the lower discharge port 102 and are collected by the collecting box 5; The millet residue with larger particles is left above the filter screen 4, the filter screen 4 is funnel-shaped and inclined downward, the millet residue with larger particles slides to the third mill 303 under the action of gravity, and is ground into powder after passing through the third grinding disc 203, then falls from the discharge pipe 304 to the lower side and is collected by the collecting box 5.
[0032] The third grinding disc 203 can be finely ground, and the millet entering the third mill 303 is mainly large particles, and the grinding amount is relatively small. The first grinding disc 201 and the second grinding disc 202 can be circular truncated cones and symmetrically arranged up and down, and the three grinding discs are coaxially arranged and driven to rotate by the drive motor 103. The first mill 301 and the second mill 302 are respectively matched with the first grinding disc 201 and the second grinding disc 202 in shape, and are fixed in the tank body 1, and the grinding is more sufficient after two times of grinding.
[0033] The funnel-shaped filter screen 4 is inclined to the middle lower side, the diameter of the lower part of the second grinding disc 302 is larger, the mung bean powder after grinding is diffused and discharged to the periphery, the area of the mung bean powder scattered on the filter screen 4 is large, and local accumulation can be avoided to cause unsmooth filtering, and filtering can be performed during the downward sliding process along the filter screen 4.
[0034] The collecting box 5 can be in the shape of a drawer and can be pulled out from below the tank body 1 to receive the falling mung bean powder through the upper opening.
[0035] Further, the third grinding disc 203 has a semispherical grinding part 2031, and the third grinding disc 303 is a semispherical shell, and the discharge pipe 304 passes through the middle part of the discharge port 102.
[0036] In use, the grinding part 2031 of the third grinding disc 203 can be semispherical, and large-particle mung bean residues are ground in the third grinding disc 303.
[0037] Further, the third grinding disc 203 has a semispherical grinding part 2031, and the third grinding disc 303 is a semispherical shell, and the discharge pipe 304 passes through the middle part of the discharge port 102.
[0038] In use, the filter box 6 is arranged at the lower end of the discharge pipe 304, and the mung bean powder after grinding by the third grinding disc 203 can be screened, so that the residues with still large particles are left in the filter box 6, and the qualified mung bean powder falls into the collecting box 5 below.
[0039] The filter box 6 is inserted at the lower end of the discharge pipe 304, which is convenient for disassembly, and the third grinding is mainly for grinding large-particle mung bean residues, so that the grinding is more sufficient, and the finally left residues with unqualified particle size are very few. However, when batch grinding is performed, the filter box 6 needs to process the residues left inside, and the detachable arrangement facilitates the disassembly of the filter box 6 for residue processing.
[0040] Further, the lower end of the discharge pipe 304 has an outer edge 3041, and the upper end of the filter box 6 has an insertion slot 601, and the outer edge 3041 is slidably inserted into the insertion slot 601.
[0041] In use, the outer edge 3041 at the lower end of the discharge pipe 304 is inserted into the insertion slot 601 at the upper end of the filter box 6, so that the position of the filter box 6 is limited up and down, the filter box 6 is in communication with the discharge pipe 304 for screening, and when the filter box 6 needs to be disassembled, it can be disconnected by horizontal sliding, which is convenient for disassembly.
[0042] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.
Claims
1. A milling device for millet processing, comprising a tank (1), wherein the upper end of the tank (1) has a feed pipe (101) and the lower end has a discharge port (102), and a drive motor (103) is provided at the upper end of the tank (1); characterized in that, Also includes: The first grinding disc (201) is rotatably disposed above the tank body (1). The drive motor (103) drives the first grinding disc (201) to rotate. The first grinding disc (201) is frustum-shaped, and the end with the smaller diameter is located at the lower end. The first grinding disc (301) is funnel-shaped and is disposed inside the tank (1) and sleeved on the lower periphery of the first grinding disc (201). The feed pipe (101) is connected to the top of the first grinding disc (301). The second grinding disc (202) is frustum-shaped, and the end with the smaller diameter is fixedly disposed at the lower end of the first grinding disc (201); The second grinding disc (302) is disposed inside the tank (1) and sleeved on the upper periphery of the second grinding disc (202), and the second grinding disc (302) is connected to the first grinding disc (301); The third grinding disc (203) is disposed at the lower end of the second grinding disc (202); The third grinding disc (303) is disposed inside the tank (1) and sleeved on the lower periphery of the third grinding disc (203). The lower middle part of the third grinding disc (303) has a discharge pipe (304). The filter screen (4) is funnel-shaped and located below the second grinding disc (302). The side with the larger opening of the filter screen (4) is located at the top and is set on the side wall of the tank (1), while the side with the smaller opening is set at the upper end of the third grinding disc (303). The millet residue on the filter screen (4) slides from the filter screen (4) into the third grinding disc (303). The collection box (5) is located below the tank body (1) and below the discharge port (102) and the discharge pipe (304).
2. The milling device for millet processing according to claim 1, characterized in that, The third grinding disc (203) has a hemispherical grinding part (2031), the third grinding disc (303) is a hemispherical shell, and the discharge pipe (304) extends out from the middle of the discharge port (102).
3. The milling device for millet processing according to claim 2, characterized in that, Also includes: A filter box (6) is located at the lower end of the discharge pipe (304) and is connected to the discharge pipe (304). The filter box (6) is located above the collection box (5).
4. The milling device for millet processing according to claim 3, characterized in that, The filter box (6) is inserted into the lower end of the discharge pipe (304), and the filter box (6) is located below the discharge port (102).
5. A milling device for millet processing according to claim 4, characterized in that, The discharge pipe (304) has an outer edge (3041) at its lower end, and the filter box (6) has an insertion groove (601) at its upper end. The outer edge (3041) is slidably inserted into the insertion groove (601).