JPH03217242A - Grain milling device - Google Patents

Abstract

PURPOSE:To excellently perform rice polishing in a simple structure by forming an inside grain milling chamber around an inside rotary grain milling roll and concentrically forming an outside grain milling chamber around the outer circumference of the inside grain milling chamber and communicating both chambers and enabling pounding and milling in the optimum number of revolutions respectively. CONSTITUTION:An inside grain milling chamber A is formed around an inside rotary grain milling roll 15 by fixing this milling roll 15 to a main shaft 10. An outside rotary grain milling roll 27 is concentrically provided in the outer circumference of the chamber A. An outside grain milling chamber B is formed around the roll 27. Both chambers A, B are mutually communicated. Thereby pounding and milling are enabled in the optimum number of revolutions respectively. Rice polishing is excellently performed by this simple structure.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a grain milling device. (Prior art) Conventionally known Japanese Patent Publication No. 32-8660
Publication No. 64 describes a technique in which water is added (friction) and refined after grinding and polishing. The above is a grinding machine and a friction machine, but the one with a single shaft shape was also produced in the 47th century
It is publicly known as it is described in Publication No.-652. (Problem to be solved by the invention) The former is because the grinding machine and the friction machine are different.
The structure is complex. The latter has a simple structure because it has a uniaxial shape, but the optimum rotational speed of the grinding machine and the friction machine are completely different, but the difference cannot be made. (Purpose of the Invention) Therefore, the present invention has two concentric chambers, each of which can be milled at an optimum rotational speed. (Means for Solving the Problem) Therefore, an inner rotating grain milling roll is fixed to the main shaft, an inner grain milling chamber A is formed around the inner rotating grain milling roll, and a concentric part is formed around the outer periphery of the inner grain milling chamber A. An outer rotating grain milling roll is provided at the outer rotating grain milling roll to form an outer grain milling chamber B around the outer rotating grain milling roll, and both chambers A
B is a grain milling device that communicates with each other. (Example) To explain the structure of the present invention using an example, l is the floor,
2 is the bond frame installed on the floor 1, and 3 is the bone frame that makes up the frame 2. Frame 2 is formed into a box shape using a thin iron plate. A horizontal partition 4 is provided at a lower position within the frame 2, and a transmission chamber 5 is formed in the lower part of the horizontal partition 4. A vertical shaft cylinder 6 is placed in the upper center of the horizontal partition 4 and fixed to the horizontal partition 4 with screws 7. At the upper end of the vertical cylinder 6,
A flange-shaped support base 8 is formed. Inside the vertical cylinder 6 are bearings 9,
A hollow longitudinal main shaft lO is mounted through the shaft 9.

11 is a blowing chamber formed between the main shaft lO and the vertical shaft cylinder 6;
12 is the blowing cylinder attached to the outer periphery of the vertical shaft cylinder 6, 13 is the main shaft 1
This is a blow hole formed at 0. The lower end of the main shaft 10 protrudes below the horizontal partition 4 and fixes the passive pulley l4.
The upper end of the main shaft 10 projects upward from the support base 8, and an inner rotating grain milling roll 15 is attached thereto, and a downward feeding grain feeding roll l6 is attached above it. A delivery roll 17 is provided at the lower end of the inner rotating grain milling roll 15, and a polished rice discharge port 18 is formed at a position facing the delivery roll 17. The inner rotating grain milling roll 15 is surrounded by a milling net 19, and an inner grain milling chamber A is formed between the inner rotating grain milling roll 15 and the milling net 19. The periphery of the downward feeding grain feeding roll l6 is surrounded by a grain feeding tube. Reference numeral 21 denotes a vertical inner cylinder provided on the outside of the milling net l9 and the grain feeding tube. It is inserted into the frame 2 from above, and the lower end of the vertical inner cylinder 2l is placed on the support stand 8, and the support stand 8 is tightened with a screw η. It stops at . The milling net 19 is fitted into the vertical inner cylinder 2l from above, and then the grain feeding cylinder 20 is fitted from above. The upper part of the grain feeding tube is widened in a tapered shape, and a hopper-shaped cap 23 is placed and fixed on the upper end thereof.

The outer periphery of the vertical inner cylinder 2l is cylindrical, and bearings 24, 2 are provided on the outer periphery.
4 is fitted, and the grain frying spiral 25 is fitted to the outer periphery of the bearings 24, 24. A passive pulley 26 is formed at the lower end of the grain lifting spiral δ, and a belt is passed around the passive pulley 26 to form the grain lifting spiral δ.
Rotate. An outer rotating rice milling roll n is attached to the outer periphery of the upper end of the grain-frying spiral rack.

The outer circumference of the outer rotating rice milling roll 27 is made to be approximately the same as the grain frying spiral δ. Therefore, the diameter of the upper end of the grain-frying spiral b, into which the outer rotating rice milling roll 27 is fitted, is made slightly smaller. 29 is a presser plate for the outer rotating rice polishing roll n. The outer periphery of the grain lifting spiral O is surrounded by a vertical outer cylinder (9), and the outer periphery of the outer rotating rice milling roll n is surrounded by a milling net 31. The space between the outer rotary rice milling roll 27 and the milling net 31 becomes the outer grain milling room B.

A supply section g is provided at the bottom of the vertical outer cylinder 30, and a supply gutter 33 is attached to the supply section 32. 34 is a communication tube formed on the upper part of the milling net 3l, 35 is a bran discharge chamber, A is a suction tube, 37 is a bran discharge chamber, the blade is a suction tube, and 39 is a discharge gutter. (Effect) Next, the effect will be described. When the motor rotates the passive pulley 14, it rotates the main shaft 10, the inner rotating grain milling roll 15, the downward feeding grain feeding roll l6, and the sending roll l7, and also rotates the grain lifting spiral and the outer rotating rice milling roll n. Rotate. Next, when the suction machines attached to the suction tube 36 and the suction tube 38 are rotated, the air blown from the inner rotating milled grain roll 15 through the blow tube RA, the blow chamber 11, and the blow hole 13 is transferred to the suction tube 36. The bran discharge chamber 3
7 is suctioned from the suction cylinder blade.

Next, when brown rice is supplied from the supply gutter, it is raised by the grain lifting spiral B, the surface is initially ground and polished by the outer rotating rice milling roll 27, and it flows into the cap N through the connecting tube and is sent downward. The rice is lowered by the grain rolls 16, subjected to finishing friction polishing by the inner rotating grain milling rolls 15, and delivered to the polished rice outlet 18 by the delivery rolls 17, where it is taken out as finished rice.

(Effect) Conventionally known Japanese Patent Publication No. 32-8660/Japanese Patent Publication No. 33
Publication No. 64 describes a technique in which water is added (friction) and refined after grinding and polishing.

The above-mentioned grinding machine and friction machine are different, but a uniaxial type is also known as described in Japanese Patent Publication No. 47-652. In the former case, the grinding machine and the friction machine are different, so
The structure is complex. The latter has a simple structure because it has a uniaxial shape, but even though the optimum rotational speed of the grinding machine and the friction machine are completely different, the difference cannot be made.

However, in the invention, an inner rotating grain milling roll is fixed to the main shaft, an inner grain milling chamber A is formed around the inner rotating grain milling roll, and an outer rotating grain milling chamber A is formed concentrically around the outer periphery of the inner grain milling chamber A. Since it is a grain milling device in which a roll is provided and an outer grain milling chamber B is formed around the outer rotating grain milling roll, and both chambers AB are communicated with each other, the inner rotating grain milling roll and the outer rotating grain milling roll are separated. are able to mill rice well because they can be rotated at optimal rotations, and an inner grain milling chamber A is formed around the inner rotating grain milling roll, and an outer grain milling chamber B is concentrically formed around the outer periphery of the inner grain milling chamber A. Since it is formed, the structure is simple.

[Brief explanation of drawings]

Figure 1 is an overall longitudinal sectional side view. Explanation of symbols

Claims (1)

[Claims] An inner rotating grain milling roll is fixed to the main shaft to form an inner grain milling chamber A around the inner rotating grain milling roll, and an outer rotating grain milling roll is provided concentrically around the outer periphery of the inner grain milling chamber A, and A grain milling device in which an outer grain milling chamber B is formed around a rotating grain milling roll, and both chambers AB are communicated with each other.