Flour milling device for flour production
By combining the advantages of steel roller mill and stone mill in the flour production grinding device, initial grinding and bran removal treatment were performed first, and then thorough grinding was solved, and the nutritional value loss and tradition caused by the high rotation speed of steel roller mill is solved. The problem of poor separation of stone-milled skin core improves the quality and taste of the flour.
Patent Information
- Application Number
- CN202420807473.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing steel roller mills have a high rotation speed and high temperature that lead to serious loss of nutritional value in wheat, while traditional stone mills have problems with poor skin core separation.
Design a flour production and grinding device, first perform preliminary grinding of wheat particles through a slow-down steel roller mill, and install risk control equipment at the bottom for de-brand treatment. Finally, complete grinding is completed by using a stone mill, combining the two Advantages: overcome the problems of high rotation speed and poor separation of leather core.
It effectively improves the taste and quality of the flour after grinding, not only retains the nutritional value of wheat, but also solves the problem of poor skin core separation in traditional stone mills.
Smart Images
Figure CN222287453U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of grain processing, in particular to a flour production and grinding device. Background Art
[0002] Flour is a powdery substance made from wheat. It is obtained by effectively grinding wheat particles with the help of grinding equipment. The main equipment used in the flour production process is steel roller mill and traditional stone mill for grinding.
[0003] The steel roller mill uses the rolling pressure between the steel roller and the grinding ring to squeeze and grind the wheat particles, thereby completing the grinding of the wheat particles; the upper and lower stone millstones of the traditional stone mill are engraved with regular grooves. During grinding, the hard surface of the millstones in the grooves is used to rub and crush the wheat particles, thereby completing the grinding of the wheat particles.
[0004] The steel roller mill has a fast rotation speed and a high grinding temperature, which seriously damages the nutritional value of wheat and the grinding fineness and appearance are poor; while the traditional stone mill has a slow rotation speed and a low grinding temperature, so the flour ground has better fineness and appearance, but there is a problem of poor skin-core separation. Therefore, a flour production and grinding device is proposed to address the above problems. Utility Model Content
[0005] In order to make up for the shortcomings of the existing technology, the utility model proposes a flour production grinding device in view of the fact that the steel roller mill has a fast rotation speed and a high temperature, which seriously damages the nutritional value of wheat, and the traditional stone mill has the problem of poor skin-core separation.
[0006] The technical solution adopted by the utility model to solve the technical problem is a flour production and grinding device, comprising a general support frame, a base is provided on the general support frame, a discharge chamber is installed on the base, a grinding chamber is installed at the top port position of the discharge chamber, an annular groove is opened from top to bottom on the inner wall of the grinding chamber, the coarse filter is fixed at the connection between the grinding chamber and the discharge chamber, a motor chamber is assembled at the central circular opening of the coarse filter, a rotary column motor is installed in the motor chamber, a rotary column is installed on the output shaft of the rotary column motor, a rotating groove is opened on the outer side wall of the rotary column, and the grinding roller is sleeved on the rotary column. The grinding roller cooperates with the annular groove on the inner wall of the grinding chamber, a scraper brush is installed on the bottom side wall of the rotating column, and the scraper brush acts on the top side of the coarse filter screen, and a wind control chamber is installed on the top side of the general support frame, and the top port of the wind control chamber is connected with the bottom conical port of the discharge chamber, and a bending channel is provided in the wind control chamber, and a blower and a blower motor are installed on the top side of the general support frame, wherein a driving pulley is installed on the output shaft of the blower motor, and a matching pulley is installed at one end of the fan shaft of the blower, and the driving pulley and the matching pulley are connected by belt transmission. The air outlet of the blower is communicated with the bottom of the bending channel in the wind control chamber, a discharge port is provided at the top of the bending channel in the wind control chamber, a bran outlet pipe is connected to the discharge port, the grinding disc support frame is arranged directly below the general support frame, a lower grinding disc is installed on the top side of the grinding disc support frame, a rod hole is provided in the middle position of the lower grinding disc, an upward annular groove is provided at the edge of the lower grinding disc, a stone mill motor support frame is installed at the bottom of the grinding disc support frame, a stone mill motor is installed on the stone mill motor support frame, an upper grinding disc rotating shaft is installed on the output shaft of the stone mill motor, and the upper grinding disc rotating shaft passes through The rod hole of the lower grinding disc is provided, and the upper grinding disc is installed on the output end of the upper grinding disc rotating shaft. A feed port is provided at the eccentric position of the upper grinding disc, and a feed pipe is connected to the feed port. A grinding disc scraper brush for cleaning the annular groove is installed on the outer wall of the upper grinding disc. An upper grinding disc rotating shaft is installed at the center of the upper grinding disc, and the upper grinding disc rotating shaft passes through the center of the lower grinding disc. The lower grinding disc is fixed on the grinding disc supporting frame, a stone mill motor is provided at the bottom end of the upper grinding disc rotating shaft, and a stone mill motor supporting frame is fixed to the bottom of the stone mill motor. A discharge port is provided at the bottom of the annular groove of the lower grinding disc, and a discharge pipe is connected to the discharge port.
[0007] Preferably, a scraper brush is installed at the bottom of the rotating column, and the scraper brush acts on the top of the coarse filter screen, which can effectively prevent material clogging and perform preliminary filtration of impurities in the material.
[0008] Preferably, the bottom of the discharge chamber is connected to the air separation chamber, and a bran discharge pipe and a blower are respectively installed on both sides of the air separation chamber, which can effectively remove the bran separated by the preliminary grinding of wheat.
[0009] Preferably, an annular groove is provided on the inner side of the upper grinding disc, and an annular filter screen is installed inside the lower grinding disc, so that the flour can be fully ground in the stone mill and the flour that meets the grinding requirements can be screened out.
[0010] Preferably, the top of the rotating column in the grinding chamber is configured to be conical to facilitate material feeding.
[0011] Preferably, a grinding disc scraper brush is installed on the side of the upper grinding disc, and the bottom of the grinding disc scraper brush contacts the groove of the lower grinding disc, which can automatically sweep the flour ground by the stone mill into the discharge port opened in the groove of the lower stone mill.
[0012] The utility model is beneficial in that:
[0013] The utility model provides a flour production and grinding device, which uses a steel roller mill after speed reduction adjustment to initially grind wheat particles, installs a wind control device at the bottom to remove bran, and finally uses a stone mill to complete the thorough grinding of wheat. The advantages of the steel roller mill's good shelling effect are combined with the advantages of the traditional stone mill's low temperature and good grinding fineness during grinding, overcoming the problems of the steel roller mill's high speed and high temperature during grinding, which seriously damages the nutritional value of wheat, and the traditional stone mill's poor skin-core separation, effectively improving the taste and quality of the flour obtained after grinding. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0015] Figure 1 It is a cross-sectional schematic diagram of a flour production milling device;
[0016] Figure 2 This is a schematic diagram of the structure of a flour milling device;
[0017] Figure 3 It is a schematic diagram of the structure of the grinding chamber in the flour production milling device;
[0018] Figure 4 This is a schematic diagram of the internal structure of a grinding chamber in a flour production mill;
[0019] Legend:
[0020] 1. Grinding chamber; 2. Grinding roller; 3. Rotating column; 4. Scraping brush; 5. Coarse filter; 6. Rotating column motor; 7. Motor chamber; 8. Discharging chamber; 9. Wind control chamber; 10. Blower; 11. Blower motor; 12. Bran discharging pipe; 13. Feeding pipe; 14. Annular filter; 15. Upper grinding disc; 16. Grinding disc scraping brush; 17. Lower grinding disc; 18. Upper grinding disc rotating shaft; 19. Grinding disc supporting frame; 20. Discharging pipe; 21. Stone mill motor supporting frame; 22. Stone mill motor; 23. Main supporting frame; 24. Belt; 25. Driving pulley; 26. Matching pulley. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-3 As shown, a flour production and grinding device comprises a main support frame 23, on which a base is provided, characterized in that: a discharge chamber 8 is installed on the base, a grinding chamber 1 is installed at the top port of the discharge chamber 8, an annular groove is opened on the inner wall of the grinding chamber 1 from top to bottom, the coarse filter 5 is fixed at the connection between the grinding chamber 1 and the discharge chamber 8, a motor chamber 7 is assembled at the central circular opening of the coarse filter 5, a rotary column motor 6 is installed in the motor chamber 7, a rotary column 3 is installed on the output shaft of the rotary column motor 6, a rotating groove is opened on the outer side wall of the rotary column 3, the grinding roller 2 is mounted in the rotating groove of the rotary column 3, and the grinding roller 2 cooperates with the annular groove on the inner wall of the grinding chamber 1, a scraper brush 4 is installed on the bottom side wall of the rotary column 3, and the scraper brush 4 acts on the top side surface of the coarse filter 5.
[0023] During operation, a rotating column 3 is installed at the center of the grinding chamber 1 and starts to rotate under the drive of the motor. A grinding roller 2 is installed on the rotating column 3, and a grinding block corresponding to the grinding roller 2 is arranged on the grinding wall of the grinding chamber 1 to grind the wheat. The scraper brush 4 installed under the rotating column 3 rotates with the rotating column 3 to make the ground wheat flour quickly pass through the coarse filter 5 installed at the top of the discharge port.
[0024] Furthermore, a wind control chamber 9 is installed on the top side of the main support frame 23, and the top port of the wind control chamber 9 is connected to the bottom conical port of the discharge chamber 8. A bending channel is provided in the wind control chamber 9, and a blower 10 and a blower motor 11 are installed on the top side surface of the main support frame 23, wherein a driving pulley 25 is installed on the output shaft of the blower motor 11, and a matching pulley 26 is installed at one end of the fan blade shaft of the blower 10, and the driving pulley 25 and the matching pulley 26 are connected by a belt 24. The air outlet of the blower 10 is connected to the bottom of the bending channel in the wind control chamber 9, and a discharge port is opened at the top of the bending channel of the wind control chamber 9, and a bran discharge pipe 12 is connected to the discharge port.
[0025] During operation, in order to remove bran, the active pulley 25 is driven by the blower motor 11 to transmit power to the matching pulley 26 through the belt 24. The matching pulley 26 rotates to drive the fan shaft of the blower 10 to rotate to generate wind force. The wind force enters the wind control chamber 9 to blow the bran out from the bran outlet pipe 12 to separate the bran.
[0026] The wind control chamber 9 is connected to the feed pipe 13 of the upper grinding disc 15, an upper grinding disc rotating shaft 18 is installed at the center of the upper grinding disc 15, the upper grinding disc rotating shaft 18 passes through the center of the lower grinding disc 17, the lower grinding disc 17 is fixed on the grinding disc support frame 19, a stone mill motor 22 is arranged at the bottom end of the upper grinding disc rotating shaft 18, a stone mill motor support frame 21 is fixed to the bottom of the stone mill motor 22, a grinding disc scraper brush 16 is installed on the side of the upper grinding disc 15, the bottom of the grinding disc scraper brush 16 is in contact with the groove of the lower grinding disc 17, a discharge port is opened in the groove of the lower grinding disc 17, and the discharge port is connected to the discharge pipe 20.
[0027] During operation, in order to further grind the flour, the stone mill motor 22 drives the upper grinding disc shaft 18 to rotate and drive the upper grinding disc 15 to rotate, while the lower grinding disc 17 is fixed. In order to ensure the grinding quality of the flour, an annular filter 14 is installed inside the lower grinding disc, and a corresponding annular groove is opened on the upper grinding disc 15. The grinding disc scraping brush 16 installed on the side of the upper grinding disc 15 rotates with the rotation of the upper grinding disc 15, sweeping the flour that has been ground and entered the groove of the lower grinding disc 17 into the discharge port opened in the groove, so that the flour flows out from the discharge pipe 20.
[0028] Working principle: wheat particles enter the grinding chamber 1 from the top of the grinding chamber 1 through the conical structure on the top of the rotating column 3. Driven by the motor, the rotating column 3 rotates to drive the grinding roller 2 installed on the rotating column to rotate and perform preliminary grinding of the wheat particles. The wheat flour after grinding enters the discharge chamber 8, and the impurity particles in the wheat flour are removed through the coarse filter 5. The wheat flour passing through the coarse filter 5 enters the wind control chamber 9. The blower motor 11 drives the blower 10 to send wind into the wind control chamber 9. With the help of wind, the bran in the wheat flour is blown into the bran discharge pipe 12. Due to the effect of gravity, the wheat flour enters the stone mill from the feed pipe 13 at the upper end of the upper grinding disc 15 for further grinding. The wheat flour with grinding quality reaching the standard enters the groove of the lower grinding disc 17 through the annular filter 14, and is swept into the discharge port opened in the groove under the action of the grinding disc scraper brush 16, and flows out from the discharge pipe 20 connected to the bottom of the discharge port.
[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A flour production and grinding device, comprising a main support frame (23), wherein a base is provided on the main support frame (23), characterized in that: A discharge chamber (8) is installed on the base, a grinding chamber (1) is installed at the top port position of the discharge chamber (8), an annular groove is opened on the inner wall of the grinding chamber (1) from top to bottom, a coarse filter (5) is fixed at the connection between the grinding chamber (1) and the discharge chamber (8), a motor chamber (7) is installed at the central circular opening of the coarse filter (5), a rotary column motor (6) is installed in the motor chamber (7), a rotary column (3) is installed on the output shaft of the rotary column motor (6), a rotating groove is opened on the outer wall of the rotary column (3), a grinding roller (2) is mounted in the rotating groove of the rotary column (3), and the grinding roller (2) cooperates with the annular groove on the inner wall of the grinding chamber (1), a scraper brush (4) is installed on the bottom side wall of the rotary column (3), and the scraper brush (4) acts on the top side surface of the coarse filter (5).
2. A flour production and grinding device according to claim 1, characterized in that: A wind control chamber (9) is installed on the top side of the main support frame (23), the top port of the wind control chamber (9) is connected to the bottom conical port of the discharge chamber (8), a bending channel is provided in the wind control chamber (9), and a blower (10) and a blower motor (11) are installed on the top side of the main support frame (23), wherein a driving pulley (25) is installed on the output shaft of the blower motor (11), and a matching pulley (26) is installed on one end of the fan blade shaft of the blower (10), and the driving pulley (25) and the matching pulley (26) are connected to each other through a belt (24).
3. A flour production and grinding device according to claim 1, characterized in that: The air outlet of the blower (10) is in communication with the bottom of the curved channel in the wind control chamber (9); a discharge port is provided at the top of the curved channel of the wind control chamber (9); and a bran discharge pipe (12) is connected to the discharge port.
4. A flour production and grinding device according to claim 1, characterized in that: A grinding disc support frame (19) is arranged directly below the main support frame (23); a lower grinding disc (17) is arranged on the top side of the grinding disc support frame (19); a rod hole is provided in the middle of the lower grinding disc (17); an upward annular groove is provided at the edge of the lower grinding disc (17); a stone mill motor support frame (21) is installed at the bottom of the grinding disc support frame (19); a stone mill motor (22) is installed on the stone mill motor support frame (21); an upper grinding disc rotating shaft (18) is installed on the output shaft of the stone mill motor (22); the upper grinding disc rotating shaft (18) passes through the rod hole of the lower grinding disc; and an upper grinding disc (15) is installed on the output end of the upper grinding disc rotating shaft (18).
5. A flour production and grinding device according to claim 4, characterized in that: A feed inlet is provided at an eccentric position of the upper grinding disc (15), to which a feed pipe (13) is connected. A grinding disc scraping brush (16) for cleaning the annular groove is installed on the outer wall of the upper grinding disc (15).
6. A flour production and grinding device according to claim 5, characterized in that: An upper grinding disc rotating shaft (18) is installed at the center of the upper grinding disc (15), and the upper grinding disc rotating shaft (18) passes through the center of the lower grinding disc (17). The lower grinding disc (17) is fixed on a grinding disc support frame (19). A stone mill motor (22) is arranged at the bottom end of the upper grinding disc rotating shaft (18), and a stone mill motor support frame (21) is fixed at the bottom of the stone mill motor (22).
7. A flour production and grinding device according to claim 6, characterized in that: A discharge port is provided at the bottom of the annular groove of the lower grinding disc (17), and a discharge pipe (20) is connected to the discharge port.