Grain grinding equipment
By designing a rotatable material separation mechanism and grinding mechanism, the problem of single milling methods of existing equipment is solved, and processing and full grinding of multiple particle sizes is achieved, efficiency and quality are improved, and costs are reduced.
Patent Information
- Application Number
- CN202421592626.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The existing grain milling equipment has a single milling method and cannot meet different production needs, resulting in high processing costs, cumbersome operations, and a waste of labor costs.
A grain milling device including a rotatable feeding mechanism and a grinding mechanism is designed. The material separation mechanism realizes processing of various grain sizes through the combination of gears and sector gears; the grinding mechanism realizes full grinding of grains through the design of stirring dragons and arc-shaped grooves.
The equipment can simultaneously process the grains into different particle sizes, improve work efficiency, and improve processing quality through sufficient grinding and reduce labor costs.
Smart Images

Figure CN222816936U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of grinding equipment, in particular to grain grinding equipment. Background Art
[0002] Cereals cover a wide range, including rice, wheat, millet, soybeans and other grains, mainly plant seeds and fruits. They are the traditional staple food of many Asian people. Cereals do not only refer to the seeds of grass plants. To be more precise, in my country they can be roughly divided into cereals, beans and potatoes, among which corn belongs to cereals. The processing of corn requires many steps such as peeling, drying, threshing and grinding, among which grinding is an indispensable processing procedure.
[0003] Most of the existing grain grinding equipment uses grinding rollers or grinding discs for grinding. The grinding method is relatively single and cannot meet different production needs. Corn can be processed into different states such as corn grits and corn flour. The corn grain sizes in different states are also different. According to the different grain sizes after processing, the corn needs to be processed in different machines. The processing cost is high, the operation is cumbersome, and labor costs are wasted. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a grain grinding device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A grain grinding device comprises a grinding box, wherein the top of the grinding box is provided with a feeding port, a first grinding chamber and a second grinding chamber are provided in the grinding box, a feeding port is provided at the bottom of the first grinding chamber and the second grinding chamber, a rotatable material dividing mechanism is provided at the lower end of the feeding port, the material dividing mechanism comprises a rotatable material dividing plate, a rotatable grinding mechanism is provided in the first grinding chamber, and the grinding mechanism comprises a rotatable first grinding disk.
[0007] Preferably, a rotatable material dividing plate is provided in the first grinding chamber, a first bracket is fixedly connected to the outer wall of the grinding box, a first motor is fixedly connected to the first bracket, a first gear, a second gear, a third gear and a fourth gear are rotatably provided on the outer wall of the grinding box, and an output shaft of the first motor is fixedly connected to the rotating shaft of the first gear;
[0008] The first gear and the second gear are meshed, the third gear and the fourth gear are meshed, the second gear is provided with a first sector gear fixedly connected, the first sector gear is provided with a second sector gear fixedly connected, the first sector gear is meshed with the third gear, the second sector gear is meshed with the fourth gear, and the rotating shaft of the third gear is fixedly connected to the rotating shaft of the dividing plate.
[0009] Preferably, a symmetrically distributed first baffle is fixedly provided in the first grinding chamber, a material distribution port is opened between the first grinding chamber and the second grinding chamber, a fixedly connected guide plate is provided on the side wall of the first baffle at the material distribution port, rotatable grinding rollers are symmetrically provided in the second grinding chamber, a fixedly connected second motor is installed on the outside of the second grinding chamber, and the output shaft of the second motor is fixedly connected to the rotating shaft of the grinding roller.
[0010] Preferably, a fixedly connected second baffle is provided in the first grinding chamber, a protective cover is provided on the side wall of the second baffle, a rotatable grinding mechanism is provided between the first baffle and the second baffle away from the material distribution port, a fixedly connected second bracket is provided in the first grinding chamber, a fixedly connected second grinding disc is provided on the second bracket, and a rotatable first grinding disc is provided on the second grinding disc.
[0011] Preferably, a fixedly connected sleeve is provided between the first baffle and the second baffle away from the material distribution port, the sleeve is located below the first baffle, a rotatable agitator is provided in the sleeve, the first grinding disc is located below the agitator, a fixedly connected rotating shaft is provided at the top center of the first grinding disc, and a fixedly connected first bevel gear is provided on the rotating shaft.
[0012] Preferably, a third motor is fixedly installed on the outer wall of the grinding box, and a second bevel gear is fixedly connected at the output end of the third motor. The first bevel gear is meshed with the second bevel gear, and synchronous wheels are provided on the top of the agitator and the rotating shaft. A synchronous belt is sleeved between the two synchronous wheels, and the synchronous belt is located in the protective cover.
[0013] Preferably, an arc-shaped groove is provided on the top of the first grinding disc, and evenly distributed circular holes are provided in the arc-shaped groove. A fixedly connected filter screen is provided at the discharge port, and the filter screen is located below the grinding roller and the second grinding disc.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. In the utility model, a rotatable material distribution mechanism is provided to speed up the work efficiency. The rotation of the first motor drives the first gear to rotate, and the second gear also rotates accordingly. The rotation of the second gear drives the first sector gear and the second sector gear to rotate. When the first sector gear is engaged with the third gear, the third gear also rotates accordingly. After the first sector gear is disengaged from the third gear, the second sector gear is engaged with the fourth gear, and the fourth gear also rotates accordingly, driving the third gear to rotate in the opposite direction. The reciprocating third gear drives the material distribution plate to rotate reciprocatingly, so that the grains can be processed into different particle sizes at the same time, thereby improving the work efficiency.
[0016] 2. In the utility model, the grinding mechanism is provided to make the grains more fully ground. The grains flow from the auger into the arc groove, and then flow from the circular hole into the first grinding disc. The first grinding disc rotates on the second grinding disc to grind the grains into powder. At the same time, the auger makes the grains discharge more evenly, so that the grains are ground more evenly in the first grinding disc, and the quality after processing is higher. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a grain milling device proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of a grain milling device proposed by the utility model;
[0019] Figure 3 A side view of a grain milling device proposed by the utility model;
[0020] Figure 4 This is a partial structural diagram of the material dispensing mechanism in the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the grinding mechanism in the utility model;
[0022] In the figure: 1. grinding box; 2. material distribution mechanism; 3. first baffle; 4. guide plate; 5. grinding roller; 6. second motor; 7. second baffle; 8. grinding mechanism; 11. feeding port; 12. discharging port; 13. first grinding chamber; 14. second grinding chamber; 15. first bracket; 21. material distribution plate; 22. first motor; 23. first gear; 24. second gear; 25. first sector gear; 26. second sector gear; 27. third gear; 28. fourth gear; 81. protective cover; 82. sleeve; 83. agitator; 84. first grinding disc; 85. rotating shaft; 86. second bracket; 87. second grinding disc; 841. arc groove; 842. circular hole; 851. first bevel gear; 852. second bevel gear; 853. third motor; 854. synchronous belt. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] Reference Figure 1-5A grain grinding device, the grinding device includes a grinding box 1, a feeding port 11 is provided on the top of the grinding box 1, a first grinding chamber 13 and a second grinding chamber 14 are provided in the grinding box 1, a discharge port 12 is provided at the bottom of the first grinding chamber 13 and the second grinding chamber 14, a rotatable dividing mechanism 2 is provided at the lower end of the feeding port 11, the dividing mechanism 2 includes a dividing plate 21, a rotatable dividing plate 21 is provided in the first grinding chamber 13, a first fixedly connected bracket 15 is provided on the outer wall of the grinding box 1, a first fixedly connected first motor 22 is installed on the first bracket 15, and a rotatable first gear 23, a second gear 24, a third gear 27 and a fourth gear 28 are provided on the outer wall of the grinding box 1.
[0025] The output shaft of the first motor 22 is fixedly connected to the rotating shaft of the first gear 23, the first gear 23 is meshed with the second gear 24, the third gear 27 is meshed with the fourth gear 28, the rotation of the first motor 22 drives the first gear 23 to rotate, and the second gear 24 also rotates accordingly, the second gear 24 is provided with a fixedly connected first sector gear 25, the first sector gear 25 is provided with a fixedly connected second sector gear 26, the first sector gear 25 is meshed with the third gear 27, and the second sector gear 26 is meshed with the fourth gear 28.
[0026] The rotating shaft of the third gear 27 is fixedly connected to the rotating shaft of the dividing plate 21, and the rotation of the second gear 24 drives the first sector gear 25 and the second sector gear 26 to rotate. When the first sector gear 25 is engaged with the third gear 27, the third gear 27 also rotates accordingly. After the first sector gear 25 and the third gear 27 are disengaged, the second sector gear 26 is engaged with the fourth gear 28, and the fourth gear 28 also rotates accordingly, driving the third gear 27 to rotate in the opposite direction. The reciprocating third gear 27 drives the dividing plate 21 to rotate reciprocatingly.
[0027] A symmetrically distributed first baffle 3 is fixedly provided in the first grinding chamber 13, a material distribution port is opened between the first grinding chamber 13 and the second grinding chamber 14, a fixedly connected guide plate 4 is provided on the side wall of the first baffle 3 at the material distribution port, a rotatable grinding roller 5 is symmetrically provided in the second grinding chamber 14, a fixedly connected second motor 6 is installed outside the second grinding chamber 14, the output shaft of the second motor 6 is fixedly connected to the rotating shaft of the grinding roller 5, and the rotation of the second motor 6 drives the grinding roller 5 to rotate.
[0028] A fixedly connected second baffle 7 is provided in the first grinding chamber 13, a protective cover 81 is provided on the side wall of the second baffle 7, a rotatable grinding mechanism 8 is provided between the first baffle 3 and the second baffle 7 away from the material distribution port, the grinding mechanism 8 includes a first grinding disc 84, a fixedly connected second bracket 86 is provided in the first grinding chamber 13, a fixedly connected second grinding disc 87 is provided on the second bracket 86, a rotatable first grinding disc 84 is provided on the second grinding disc 87, and the first grinding disc 84 rotates to grind the grains into powder.
[0029] A fixedly connected sleeve 82 is provided between the first baffle 3 and the second baffle 7 away from the material distribution port. The sleeve 82 is located below the first baffle 3. A rotatable augers 83 is provided in the sleeve 82. The first grinding disc 84 is located below the augers 83. Grains flow from the augers 83 into the first grinding disc 84. A fixedly connected rotating shaft 85 is provided at the top center of the first grinding disc 84. A fixedly connected first bevel gear 851 is provided on the rotating shaft 85.
[0030] A third motor 853 is fixedly installed on the outer wall of the grinding box 1. A second bevel gear 852 is fixedly connected to the output end of the third motor 853. The first bevel gear 851 is meshed with the second bevel gear 852. Synchronous wheels are provided on the top of the agitator 83 and the rotating shaft 85. A synchronous belt 854 is sleeved between the two synchronous wheels. The rotation of the third motor 853 drives the first grinding disc 84 to rotate, and the agitator 83 also rotates accordingly. The synchronous belt 854 is located in the protective cover 81.
[0031] An arc groove 841 is provided on the top of the first grinding disc 84, and evenly distributed circular holes 842 are provided in the arc groove 841. Grains flow into the arc groove 841 from the agitator 83, and then flow into the first grinding disc 84 from the circular holes 842 to be ground into powder. A fixedly connected filter screen 9 is provided at the discharge port 12, and the filter screen 9 is located below the grinding roller 5 and the second grinding disc 87.
[0032] In the utility model, when it is actually used, the first motor 22 is started, and the grains are poured into the grinding box 1 from the feeding port 11. The rotation of the first motor 22 drives the first gear 23 to rotate, and the second gear 24 also rotates accordingly. The rotation of the second gear 24 drives the first sector gear 25 and the second sector gear 26 to rotate. When the first sector gear 25 is meshed with the third gear 27, the third gear 27 also rotates accordingly. After the first sector gear 25 is disengaged from the third gear 27, the second sector gear 26 is meshed with the fourth gear 28, and the fourth gear 28 also rotates accordingly, driving the third gear 27 to rotate in the opposite direction. The reciprocating third gear 27 drives the dividing plate 21 to rotate reciprocatingly, and the grains can enter the first grinding bin 13 and the second grinding bin 14 respectively.
[0033] When grains need to be processed into different states, such as corn, part of the corn enters the second grinding chamber 14 and is ground into corn grits by the grinding roller 5, and part of the corn enters the first grinding chamber 13, flows into the arc groove 841 from the agitator 83, and then flows into the first grinding disc 84 from the circular hole 842. The first grinding disc 84 and the second grinding disc 87 grind the corn into powder, and the corn grits and corn powder are filtered through the filter 9 respectively and then flow out from the discharge port 12. The grinding equipment can process grains into different states at the same time, and the processing efficiency is faster.
[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A grain grinding device, comprising a grinding box (1), characterized in that: The grinding box (1) is provided with an inlet (11) at the top, a first grinding chamber (13) and a second grinding chamber (14) are provided in the grinding box (1), and a discharge port (12) is provided at the bottom of the first grinding chamber (13) and the second grinding chamber (14). A rotatable material distribution mechanism (2) is provided at the lower end of the inlet (11), and the material distribution mechanism (2) includes a rotatable material distribution plate (21). A rotatable grinding mechanism (8) is provided in the first grinding chamber (13), and the grinding mechanism (8) includes a rotatable first grinding disc (84).
2. A grain milling device according to claim 1, characterized in that: A rotatable material distribution plate (21) is provided in the first grinding chamber (13); a first bracket (15) is fixedly connected to the outer wall of the grinding box (1); a first motor (22) is fixedly installed on the first bracket (15); a rotatable first gear (23), a second gear (24), a third gear (27) and a fourth gear (28) are provided on the outer wall of the grinding box (1); an output shaft of the first motor (22) is fixedly connected to the rotating shaft of the first gear (23); The first gear (23) is meshed with the second gear (24), the third gear (27) is meshed with the fourth gear (28), the second gear (24) is provided with a first sector gear (25) fixedly connected thereto, the first sector gear (25) is provided with a second sector gear (26) fixedly connected thereto, the first sector gear (25) is meshed with the third gear (27), the second sector gear (26) is meshed with the fourth gear (28), and the rotating shaft of the third gear (27) is fixedly connected to the rotating shaft of the material dividing plate (21).
3. A grain grinding device according to claim 2, characterized in that: A symmetrically distributed first baffle (3) is fixedly arranged in the first grinding chamber (13); a material distribution opening is provided between the first grinding chamber (13) and the second grinding chamber (14); a fixedly connected guide plate (4) is provided on the side wall of the first baffle (3) at the material distribution opening; rotatable grinding rollers (5) are symmetrically arranged in the second grinding chamber (14); a fixedly connected second motor (6) is installed outside the second grinding chamber (14); and an output shaft of the second motor (6) is fixedly connected to a rotating shaft of the grinding roller (5).
4. A grain milling device according to claim 3, characterized in that: A fixedly connected second baffle (7) is provided in the first grinding chamber (13), a protective cover (81) is provided on the side wall of the second baffle (7), a rotatable grinding mechanism (8) is provided between the first baffle (3) and the second baffle (7) away from the material distribution port, a fixedly connected second bracket (86) is provided in the first grinding chamber (13), a fixedly connected second grinding disc (87) is provided on the second bracket (86), and a rotatable first grinding disc (84) is provided on the second grinding disc (87).
5. A grain milling device according to claim 4, characterized in that: A sleeve (82) is fixedly connected between the first baffle (3) and the second baffle (7) at a position far from the material distribution port. The sleeve (82) is located below the first baffle (3). A rotatable augers (83) is arranged in the sleeve (82). A first grinding disc (84) is located below the augers (83). A rotating shaft (85) is fixedly connected at the center of the top of the first grinding disc (84). A first bevel gear (851) is fixedly connected to the rotating shaft (85).
6. A grain milling device according to claim 5, characterized in that: The outer wall of the grinding box (1) is mounted with a third motor (853) which is fixedly connected. The output end of the third motor (853) is provided with a second bevel gear (852) which is fixedly connected. The first bevel gear (851) is meshed with the second bevel gear (852). The agitator (83) and the top of the rotating shaft (85) are both provided with synchronous wheels. A synchronous belt (854) is sleeved between the two synchronous wheels. The synchronous belt (854) is located in the protective cover (81).
7. A grain milling device according to claim 6, characterized in that: The first grinding disc (84) is provided with an arc-shaped groove (841) on the top, and evenly distributed circular holes (842) are provided in the arc-shaped groove (841). A fixedly connected filter screen (9) is provided at the discharge port (12), and the filter screen (9) is located below the grinding roller (5) and the second grinding disc (87).
Citation Information
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