CN212855972U

CN212855972U - Millet grinds powder device

Info

Publication number: CN212855972U
Application number: CN202021474368.9U
Authority: CN
Inventors: 梁志昕; 宗成伟; 宗良; 刘团结
Original assignee: Shandong Baijiaxing Agricultural Technology Co ltd
Current assignee: Shandong Baijiaxing Agricultural Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-02
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a millet milling device, which comprises a pulverizing box body and a pulverizing mechanism. A feeding channel is fixed at the central position of the top of the pulverizing box body, a discharge port is arranged at the bottom end of the pulverizing box body, and a pulverizing mechanism is provided. It includes a drive shaft that is inserted at the top of the feeding channel and is rotatably connected to the feeding channel, a pulverizing roller and a motor that are sleeved on the bottom end of the driving shaft and are fixedly connected to the driving shaft, and the bottom end of the driving shaft is fixed with a lead screw. The upper sleeve is provided with a grinding disc that matches with it, and the crushing box is provided with a screening mechanism horizontally below the screw rod. Carry out sufficient milling to make the material more fully milled, and screen the milled material through the screening mechanism, and return the screened large particles to the feeding channel through the collection device to pass through the grinding mechanism for grinding again. grinding, thereby improving the grinding effect and grinding efficiency.

Description

Millet grinds powder device

Technical Field

The utility model relates to a cereal device technical field that mills specifically is a millet grinds powder device.

Background

Millet is also called millet, northern called millet, and millet is husked to be millet with small grain size of about 1 mm. Millet is one of the oldest cultivated crops in the world, originates from the river basin of the Chinese yellow river, and is a main food crop ancient in the Chinese. Millet has drought tolerance and various varieties, is commonly called millet with five colors, and has various colors such as white, red, yellow, black, orange, purple and the like.

The milling device is a device for milling materials into required powdery particles, and millet flour needs to be milled in the production and processing process. A milling device is required in the process of processing the millet flour. Whereas conventional mills are manual mills, which grind material primarily by the interaction of two grinding discs. This results in a low milling efficiency and a poor milling result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a millet grinds powder device in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a millet flour grinding device comprises a grinding box body and a flour grinding mechanism, wherein a feeding channel is fixed at the central position of the top of the grinding box body, the bottom of the feeding channel is communicated with the grinding box body, a discharge hole is formed in the bottom end of the grinding box body, the flour grinding mechanism comprises a driving shaft, a grinding roller and a motor, the driving shaft is inserted into the top of the feeding channel and is rotatably connected with the feeding channel, the grinding roller is sleeved at the bottom end of the driving shaft and is fixedly connected with the driving shaft, the motor is connected with the top end of the driving shaft through a coupler, first grinding teeth are uniformly distributed on the surface of the grinding roller along the length direction of the first grinding roller, second grinding teeth matched with the first grinding teeth are uniformly distributed on the inner wall of the bottom end of the feeding channel, a screw rod coaxial with the driving shaft is fixed at the bottom end of the driving shaft through the coupler, the bottom end of the screw, and grind the powder dish and can follow the length direction of lead screw and move up and down in the inside of smashing the box, the inside below level that is located the lead screw of smashing the box is equipped with screening mechanism, screening mechanism includes fixed frame and fixes the filter screen in fixed frame, and the filter screen slope sets up, the lateral wall that the pan feeding passageway is located crushing roller top is equipped with the feed inlet.

Preferably, the top ends of the powder grinding disc and the grinding roller are spherical surfaces.

Preferably, the inclination angle of the filter screen is 40-50 degrees.

Preferably, smash the box and be equipped with collection device on being located the lateral wall of the lower end of filter screen, collection device includes that collecting box, one end are connected the other end with the collecting box top and are passed the lateral wall of smashing the box and stretch into the connecting pipe one on the filter screen lower extreme, fix on pan feeding passageway lateral wall inhale the material pump and one end and the inside intercommunication other end of collecting box bottom and inhale the connecting pipe two that the material pump input is connected, inhale the inside that the output of material pump stretched into the pan feeding passageway, and inhale the top that the end that stretches into of material pump is located crushing roller.

Preferably, the distance from the side wall of the crushing roller to the inner wall of the feeding channel is a first crushing gap, the distance from the side wall of the powder grinding disc to the inner wall of the crushing box body is a second crushing gap, and the second crushing gap is smaller than the first crushing gap.

Preferably, the bottom end face of the powder grinding disc is evenly hinged with connecting rods, and the other end of each connecting rod is hinged on the filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a flour milling mechanism realizes successively taking transverse shearing mode and vertical shearing mode to fully mill the material, makes the material mill more fully, then sieves the material after will milling through screening mechanism to get back to the pan feeding passageway through collection device with the large granule after screening and mill through milling mechanism again, and then improved the effect of milling and efficiency of milling.

(2) The utility model discloses in the bottom face of powder grinding dish evenly articulates there is the connecting rod, and the other end of every connecting rod articulates on the filter screen, and the in-process that powder grinding dish reciprocated along the lead screw drives and to shake about can driving the filter screen through the connecting rod to can prevent that the mesh on the filter screen from being blockked up, also be favorable to falling on the lower of filter screen of the big material landing of granule on the filter screen simultaneously to serve, so that the large granule material after the screening passes through connecting pipe one and gets into to the collection incasement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure A-A of FIG. 1;

fig. 3 is a structural sectional view of the sieving mechanism.

In the figure: 1. a crushing box body; 2. a feeding channel; 3. grinding a powder disc; 4. a crushing roller; 5. a first crushing gap; 6. a second crushing gap; 7. a drive shaft; 8. a screw rod; 9. a motor; 10. a screening mechanism; 1001. a fixed frame; 1002. a filter screen; 11. a feed inlet; 12. a discharge port; 13. a connecting rod; 14. a collection box; 15. a first connecting pipe; 16. a suction pump; 17. and a second connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a millet flour grinding device comprises a grinding box body 1 and a flour grinding mechanism, wherein a feeding channel 2 is fixed at the central position of the top of the grinding box body 1, the bottom of the feeding channel 2 is communicated with the grinding box body 1, a discharge hole 12 is formed in the bottom end of the grinding box body 1, the flour grinding mechanism comprises a driving shaft 7 which is inserted into the top of the feeding channel 2 and is rotatably connected with the feeding channel 2, a grinding roller 4 which is sleeved at the bottom end of the driving shaft 7 and is fixedly connected with the driving shaft 7, and a motor 9 which is connected with the top end of the driving shaft 7 through a coupler, first grinding teeth are uniformly distributed on the surface of the grinding roller 4 along the length direction of the grinding roller, second grinding teeth matched with the first grinding teeth are uniformly distributed on the inner wall of the bottom end of the feeding channel 2, a screw rod 8 which is coaxial with the driving shaft 7 is fixed at the bottom end of the driving shaft 7 through the coupler, the cover is equipped with the powder dish 3 of grinding rather than the looks adaptation on the lead screw 8, and grinds powder dish 3 and can follow lead screw 8 length direction and remove in the inside upper and lower of smashing box 1, the below level that smashes box 1 inside and be located lead screw 8 is equipped with screening mechanism 10, screening mechanism 10 includes fixed frame 1001 and fixes the filter screen 1002 in fixed frame 1001, and the slope of filter screen 1002 sets up, the lateral wall that pan feeding passageway 2 is located crushing roller 4 top is equipped with feed inlet 11.

Further, the top ends of the powder grinding disc 3 and the crushing roller 4 are spherical surfaces, so that the materials slide to the edges of the powder grinding disc 3 and the crushing roller 4 along the upper ends of the powder grinding disc 3 and the crushing roller 4 respectively, and the subsequent materials sequentially fall into the first crushing gap 5 and the second crushing gap 6 respectively.

Further, the inclination angle of the filter screen 1002 is 40-50 degrees, so that the material with larger particles after being crushed falls onto the filter screen 1002, and the material particles slide to the lower end of the filter screen 1002 through the inclined filter screen 1002, so that the material particles can be collected in the following process.

Furthermore, the outer side wall of the crushing box body 1, which is located at the lower end of the filter screen 1002, is provided with a collecting device, the collecting device comprises a collecting box 14, a first connecting pipe 15, one end of which is connected with the top of the collecting box 14 and the other end of which penetrates through the side wall of the crushing box body 1 and extends into the lower end of the filter screen 1002, a material suction pump 16 fixed on the outer side wall of the feeding channel 2, and a second connecting pipe 17, one end of which is communicated with the inside of the bottom end of the collecting box 14 and the other end of which is connected with the input end of the material suction pump 16, the output end of the material suction pump 16 extends into the feeding channel 2, the extending end of the material suction pump 16 is located above the crushing roller 4, and large-.

Further, the distance of the lateral wall of crushing roller 4 to the inner wall of pan feeding passageway 2 is first crushing clearance 5, the distance of the lateral wall of grinding dish 3 to the inner wall of smashing box 1 is second crushing clearance 6, and second crushing clearance 6 is less than first crushing clearance 5, and the material enters into first crushing clearance 5 earlier and carries out coarse crushing back and enters into second crushing clearance 6 again and carry out fine crushing to the material powder of being more thin.

Further, the even articulated connecting rod 13 that has of bottom face of powder grinding dish 3, and the other end of every connecting rod 13 articulates on filter screen 1002, and powder grinding dish 3 drives through connecting rod 13 and can drive filter screen 1002 shake from top to bottom along the in-process that lead screw 8 reciprocated to can prevent that the mesh on the filter screen 1002 from being blockked up, also be favorable to falling on the filter screen 1002 big material landing of granule to the lower of filter screen 1002 simultaneously on, so that the large granule material after the screening enters into in collection box 14 through connecting pipe 15.

The working principle is as follows: when the crushing device is used, an external power supply is switched on, a starting motor 9 drives a driving shaft 7 and a screw rod 8 to rotate in a positive and reverse alternating mode together, then materials enter a feeding channel 2 through a feeding hole 11 and fall into a first crushing gap 5, the materials are subjected to transverse shearing force under the matching of a first crushing tooth on a crushing roller 4 and a second crushing tooth on the inner wall of the feeding channel 2 and are subjected to primary crushing, the materials subjected to primary crushing fall into a crushing box body 1, the upper end of a powder grinding disc 3 on the powder grinding disc falls into a second crushing gap 6 along the spherical surface of the powder grinding disc 3, the materials are subjected to longitudinal shearing force and are crushed under the matching of the longitudinal shearing force and the inner wall of the crushing box body 1 in the process that the powder grinding disc 3 moves up and down along the screw rod 8, the crushed materials are sieved by a filter screen 1002 on a sieving mechanism 10 along the second crushing gap 6, the material that the granule is little passes filter screen 1002 and falls into the bottom of smashing box 1, and the material that the granule is big falls into on the filter screen 1002 of slope to the landing then gets into collection box 14 through connecting pipe 15 to the lower end of filter screen 1002, finally carries through suction pump 16 and smashes in the pan feeding passageway 2 again, thereby improves the powder effect of grinding to the material.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a millet grinds powder device, is including smashing box (1) and grinding mechanism, its characterized in that: a feeding channel (2) is fixed at the central position of the top of the crushing box body (1), the bottom of the feeding channel (2) is communicated with the crushing box body (1), a discharge hole (12) is formed in the bottom end of the crushing box body (1), the grinding mechanism comprises a driving shaft (7) which is inserted into the top of the feeding channel (2) and is rotatably connected with the feeding channel (2), a grinding roller (4) which is sleeved at the bottom end of the driving shaft (7) and is fixedly connected with the driving shaft (7) and a motor (9) which is connected with the top end of the driving shaft (7) through a coupler, first grinding teeth are uniformly distributed on the surface of the grinding roller (4) along the length direction of the grinding roller, second grinding teeth matched with the first grinding teeth are uniformly distributed on the inner wall of the bottom end of the feeding channel (2), and a screw rod (8) coaxial with the driving shaft is fixed at the bottom end of the driving shaft, and the bottom of lead screw (8) extends to the inside of smashing box (1), the cover is equipped with the powder dish of grinding (3) rather than the looks adaptation on lead screw (8), and grinds the length direction that powder dish (3) can follow lead screw (8) and move on the inside of smashing box (1) upper and lower, the inside below level that is located lead screw (8) of smashing box (1) is equipped with screening mechanism (10), screening mechanism (10) are including fixed frame (1001) and fix filter screen (1002) in fixed frame (1001), and filter screen (1002) slope sets up, the lateral wall that pan feeding passageway (2) are located crushing roller (4) top is equipped with feed inlet (11).

2. The millet grinding apparatus according to claim 1, wherein: the top ends of the powder grinding disc (3) and the crushing roller (4) are spherical surfaces.

3. The millet grinding apparatus according to claim 1, wherein: the inclination angle of the filter screen (1002) is 40-50 degrees.

4. The millet grinding apparatus according to claim 1 or 3, wherein: the outer side wall of the lower end of the filter screen (1002) of the crushing box body (1) is provided with a collecting device, the collecting device comprises a collecting box (14), a first connecting pipe (15) with one end connected with the top of the collecting box (14) and the other end penetrating through the side wall of the crushing box body (1) and extending into the lower end of the filter screen (1002), a suction pump (16) fixed on the outer side wall of the feeding channel (2) and a second connecting pipe (17) with one end communicated with the inside of the bottom end of the collecting box (14) and the other end connected with the input end of the suction pump (16), the output end of the suction pump (16) extends into the inside of the feeding channel (2), and the extending end of the suction pump (16) is located above the crushing roller (4).

5. The millet grinding apparatus according to claim 1, wherein: the distance of the lateral wall of crushing roller (4) to the inner wall of pan feeding passageway (2) is first crushing clearance (5), the distance of the lateral wall of grinding dish (3) to the inner wall of smashing box (1) is second crushing clearance (6), and second crushing clearance (6) are less than first crushing clearance (5).

6. The millet grinding apparatus according to claim 1, wherein: the bottom end face of the powder grinding disc (3) is evenly hinged with connecting rods (13), and the other end of each connecting rod (13) is hinged to the filter screen (1002).