JPH0757322B2 - Friction milling machine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a friction-cutting type grain mill that feeds grains from one end of a grain mill, mills them, and discharges them from the other end.

[Prior Art] A conventional friction cutting type grain refiner will be described with reference to FIG. Sign
Reference numeral 40 denotes a friction cutting type grain refiner, in which a spiral rotator 43 is provided at the bottom of a main shaft 42 rotatably provided in a standing hexagonal porous wall bran removal white polishing pipe 41, and a two-row stirring projection 44 is provided at the top. Friction grain trochanter provided
Axle each 45. The grain is supplied to the spiral rotator 43 from the grain supply part 48 provided on one side wall of the machine frame 47 through the grain feeding trough 46, and the spiral rotator 43 causes the grain to be fed to the grain refinement chamber 49. In the grain chamber 49, the grain is refined by the polishing action generated by the rotation of the friction grain trochanter 45, and the grain refined is discharged from the discharge port 50 through the discharge gutter 51 to the outside of the machine.

However, in the conventional friction-cutting type grain refiner as described above, the number of the stirring protrusions 44 of the friction grain trochanter 45 in the circumferential direction is a divisor (2 : 6), the pressure in the grain refining chamber 49 was constant, and there was a problem that the bran removal action was weak.

[Problems to be solved by the invention]

An object of the present invention is to solve the above problems and to provide a friction cutting type grain refiner capable of performing a polishing action and a strong bran removal polishing action in the same grain refining chamber.

[Means for solving problems]

In order to achieve this object, the present invention has the following configuration.

A spiral trochanter and a friction grain trochanter having a stirring projection and a blowhole are axially mounted on a main shaft rotatably provided in a porous wall bran removal grain polishing barrel, One end of the grain refining chamber, whose main parts are and, is connected to the grain supply unit, and the other end is connected to the grain discharge unit to form a friction cutting type grain mill. Then, the number of stirring projections of the friction grain trochanter in the circumferential direction is the common divisor of the angular number of the porous wall bran removal white tube on the supply side and the non-promise of the angular number of the porous wall bran removal white tube on the discharge side. Forming into numbers.

[Work]

The grain supplied to the spiral trochanter from the grain supply unit of the friction cutting type grain refiner is sent by the spiral trochanter and is a fine grain mainly composed of a perforated-wall debracing white barrel and a friction fine grain trochanter. She is licked in the room. The refined grain is discharged from the grain discharge part and sent to the next step. And, since the number of stirring protrusions of the friction grain trochanter on the discharge side is formed to be a non-common divisor of the number of angles of the porous wall bran removal white barrel, the grain is strongly removed on the discharge side of the grain chamber. Receives bran polishing action.

〔Example〕

Embodiments of the present invention will be described with reference to the drawings. First
The figure is a side cross-sectional view of the friction-cutting type grain mill, FIG. 2 is a partially cutaway side view of the friction grain milling trochanter, and FIG. FIG. 4 is a plan sectional view showing the above state.

Reference numeral 1 is a friction cutting type grain refiner, in which a spiral trochanter 4 is provided at the bottom of a main shaft 3 rotatably provided in an upright standing porous wall bran-removing white barrel 2 and a friction grain trochanter 5 is provided at the top. Axle. The lower part of the grain refining chamber 6 which has the porous wall debranching whitening barrel 2 and the friction grain trochanter 5 as main parts is connected to the grain supply part 7 and the upper part is connected to the grain discharge part 8, respectively. The motor pulley 10 of the main motor 9 and the pulley 12 provided on the upper portion of the intermediate shaft 11 are connected by the V belt 13, and the pulley 14 provided on the lower portion of the intermediate shaft 11 is connected by the V belt 16 via the tension pulley 15. It is connected to the pulley 17 of the main shaft 3.

The grain discharge unit 8 is provided with a resistance plate 19 connected to an automatic resistance adjusting device 18 that regulates the grains discharged from the grain discharge unit 8. The resistance plate 19 is connected to the tooth shaft 21 via the lever 20,
Reference numeral 21 is linked to a forward / reverse rotation electric motor 22. When the tooth shaft 21 is horizontally moved by the forward / reverse rotation electric motor 22, the lever 20 is rotated around the resistance plate shaft 23, and the resistance plate 19 is rotated toward and away from the grain discharging unit 8. A drain gutter 24 is provided so as to be connected to the grain discharge part 8, and a discharge gutter 25 is connected to the flow gutter 24.

A supply hopper 26 is connected to a grain supply device 27, and a pulley 30 attached to a conveyor shaft 29 around which a spiral body 28 is wound, and an electric motor
The pulley 32 of 31 is connected by a V-belt 33, and the grain feeding device 27 is connected to the grain feeding unit 7.

As shown in FIG. 2 and FIG. 3, the number of the stirring projections 34 of the friction grain trochanter 5 is the divisor of the number of angles (hexagonal in the present embodiment) of the porous wall bran removal whitening tube 2 on the grain supply side. The grain discharge side is formed in a non-divisor (four lines in this embodiment) of the porous wall debriding and polishing white tube 2 (in this embodiment, two lines). A large number of ventilation holes 35 are formed in the main shaft 3, and the main shaft 3 is connected to a blower device 36. Reference numeral 37 is a blast hole provided in the friction grain trochanter 5, and the bran removing chamber 38 communicates with a cyclone (not shown) or the like via a bran removing duct 39.

Next, the operation of the above configuration will be described. The grain is sent to the grain supply device 27 of the friction cutting type grain refiner 1 via the supply hopper 26. Main motor 9 for driving main shaft 3 and grain supply device
When the electric motor 31 that drives the 27 is activated, the grain becomes a spiral.
The spiral trochanter 4 supplies the spiral trochanter 4 by 28, and the spiral trochanter 4 pumps it to the grain mill 6.

In the grain refinery chamber 6, the grain refinement chamber 6 is subjected to the polishing action caused by the rotation of the friction grain refinement trochanter 5, and at that time, the grain discharging side of the grain refinement chamber 6 performs the polishing action together with the polishing action. That is, as shown in FIG. 3, the number of the stirring protrusions 34 is a non-divisor (4: 6) with respect to the number of corners of the porous wall bran-cleaning white cylinder 2, so that the pressure is 6 A in the grain chamber 6 The pressure state becomes unbalanced such that the pressure becomes maximum and the pressure becomes minimum in 6B. Therefore, the flow of grains is activated, and a strong bran-polishing action is performed by the bran-blasting blown from the blower 36 through the ventilation port 35 and the jet 37. Dust such as bran generated by the polishing action in the grain refining chamber 6 is discharged into the bran removing chamber 38 from the through hole of the porous wall bran removing whitening pipe 2, and the bran duct 39 is used to collect cyclones (not shown) such as cyclones. Sent to the device.

The grain that has been polished and polished reaches the grain discharge unit 8 and is prevented from flowing out by the resistance plate 19 of the automatic resistance adjusting device 18, and the resistance plate 19
By changing the suppression of, the accuracy of swelling is adjusted. Then, the grain flows out against the resistance plate 19 and flows down the gutter 24 and the discharge gutter.
After 25, it is discharged out of the machine.

In addition, in the present embodiment, the present invention is applied to the vertical-axis type friction-cutting type grain refiner, but it may be applied to the horizontal-axis type friction-cutting type grain refiner.

Further, in the present embodiment, two stirring projections are added to the grain discharge side of the integrated fine grain trochanter to form four lines, but the friction fine grain trochanter supply side and discharge side are divided into two. Then, each may be provided with a stirring protrusion to be integrally formed. That is, for example, in the case where the number of corners of the porous wall debranching whitening cylinder is octagonal, the stirring projections on the supply side are formed in four rows and the stirring projections on the discharge side are formed in five rows.

〔The invention's effect〕

According to the friction cutting type grain refiner in the present invention, the number of stirring protrusions of the friction grain trochanter in the circumferential direction, the supply side to the divisor of the angular number of the multi-walled rice bran removal mill, and the discharge side to the porous side. Since it is configured to form a non-subdivision of the number of horns of the wall bran-polishing white cylinder, it is possible to perform a powerful bran-polishing action as well as a polishing action in the same grain chamber, and there is no need to install a polishing device separately. Cost reduction is possible.

[Brief description of drawings]

FIG. 1 is a side sectional view of a friction-cutting type grain mill according to the present invention, FIG. 2 is a partially cutaway side view of a friction grain mill trochanter, and FIG. 3 is a friction grain trochanter and porous wall bran. FIG. 4 is a side sectional view showing a conventional example, and FIG. 4 is a side sectional view showing a state with a polishing tube. 1 ... Friction cutting type grain refiner, 2 ... Porous-wall removing bran refiner, 3
…… Spindle, 4 …… Spiral trochanter, 5 …… Frictional grain trochanter, 6…
… Grain chamber, 7 …… Grain supply unit, 8 …… Grain discharge unit, 9…
… Main motor, 10 …… Motor pulley, 11 …… Intermediate shaft,
12 …… Pulley, 13 …… V belt, 14 …… Pulley, 15
...... Tension pulley, 16 …… V belt, 17 …… Pulley, 18 …… Automatic resistance adjustment device, 19 …… Resistance plate, 20 ……
Lever, 21 ... Tooth shaft, 22 ... Forward / reverse rotation motor, 23 ... Resistance plate shaft, 24 ... Downflow gutter, 25 ... Discharge gutter, 26 ... Supply hopper, 27 ... Grain supply device, 28 ...... Helix, 29 …… Conveyor shaft, 30 …… Pulley, 31 …… Motor, 32 …… Pulley, 33 …… V belt, 34 …… Stirring projection, 35 …… Ventilation port,
36 …… Blower, 37 …… Blowhole, 38 …… Bran removing room, 39 ……
Debranching duct, 40 …… Friction cutting type grain milling machine, 41 …… Multi-walled debranching whitening barrel, 42 …… Spindle, 43 …… Spiral trochanter, 44 …… Stirring projection, 45 …… Friction grain milling machine Child, 46 …… Grain trough, 47 …… Machine frame,
48 …… Grain supply unit, 49 …… Grain chamber, 50 …… Discharge port, 51…
… Discharge gutter.

Claims (1)

[Claims] 1. A multi-walled bran-removing white tube comprising a spiral rotator, which is rotatably provided in a multi-walled bran-removing white tube, and a friction grain trochanter having a stirring projection and a blowhole. In the friction cutting type grain mill, one end of the grain refining room having a main part of the friction grain and rubbed grain is connected to the grain supply part, and the other end is connected to the grain discharge part, respectively.
The number of stirring protrusions in the frictional grain trochanter in the circumferential direction is set to the divisor of the angle of the porous wall debranching whitening tube on the supply side and to the non-subdivision of the angle of the porous wall debranching whitening tube on the discharge side. A friction cutting type grain mill characterized by being formed.