JPS61171543A - Apparatus for monitoring hulling roll in huller - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a monitoring device for a hulling roll in a hulling device.

(Prior Art) Conventionally, it is known that a fixed roll and a moving roll are provided in a hulling section, and the moving roll is automatically adjusted by an automatic roll gap adjustment device that is operated by a load current with respect to a no-load current. It is.

(Problems to be Solved by the Invention) However, in the above-mentioned method, the moving roll is operated by a load current with respect to a no-load current.
Since the voltage is automatically adjusted by the knotting device, if the voltage drops abnormally, it will be the same as if a load was applied even though there was no load, which could lead to a misjudgment and the moving rolls could spread out.

In this case, the rice will not be hulled and a large amount of unhulled rice will fall. Accidents like this are very common with automated machines, and once an accident occurs, most of the equipment must be disassembled, making it difficult to take countermeasures.

(Means for Solving the Problem) The present invention prevents this problem by providing a fixed roll 2 and a moving roll 3 in the hulling section 1, and the moving roll 3 is operated by a load current as opposed to a no-load current. In a device configured to be automatically adjusted by an automatic roll gap adjustment device.

A hulled product reflecting plate 18 is provided below the fixed roll 2 and the movable roll 3, a piezoelectric sensor 19 is mounted on the hulled rice reflecting plate 18, a display unit 22 is connected to the piezoelectric sensor 19, and a When the roll 2 and the moving roll 3 are abnormally opened and the falling speed of the hulled material is reduced, this is displayed as a monitoring device for the hulling roll in the hulling device.

(Structure) An embodiment of the present invention will be described with reference to the drawings. 1 indicates a hulling section;
Reference numeral 2 denotes a fixed roll installed in the hulling section 1, and 3 a moving roll. The structure is as follows: 4 is a supply hopper at the top of the hulling section 1, 5 is a wind selection section at the bottom of the hulling section 1, 6 is a suction blower, 7 is a first-flavored product receiving trough, and 8 is a second-season product. 9 is the first conveyor, 10 is the second conveyor, 11 is the sorting section, 12 is the grain frying device leading to the sorting section 11, 13 is the paddy rice receiving channel of the sorting section 11, 14 is the returning grain tube, 15 is the return chamber,
16 is a finished rice receiving trough, and 17 is a finished rice take-out tube.

Therefore, a hull-hulled material reflecting plate 18 is attached below between the fixed roll 2 and the moving roll 3.
A piezoelectric sensor 19 is attached to the top surface of. The piezoelectric sensor 19 is connected to a central processing circuit 21 via a delay circuit 20. 22 is a display unit connected to the central processing circuit 21; 23 is a comparator; 24 is an AC/DC converter;
5 is a peak value hold circuit.

(effect) Next, we will discuss the effect.

Since the present invention has the above-mentioned configuration, the unhulled rice introduced from the supply hopper 4 is hulled between the fixed roll 2 and the moving roll 3 in the hulling section 1, and then falls towards the hulled rice reflecting plate 18. ,
After being reflected, the hulled material falls into the wind sorting section 5, where light foreign matter is suctioned and removed by a suction blower 6.
- The first flavored food falls into the first flavored food receiving gutter 7, and the second flavored food falls into the second flavored food receiving gutter 8. -The flavored food that falls into the flavored food receiving gutter 7 is transported horizontally by the first conveyor 9, and is then transferred to the fried grains. The unhulled rice flows into the device 12, is supplied to the sorting section 11 by the grain frying device 12, and is sorted, and the unhulled rice is taken out to the unhulled rice receiving trough 13, returned by the return hoisting tube 14, and then unhulled between the rolls 2 and 3 again. Printed. The brown rice sorted in the sorting section ll is taken out into the finished rice receiving trough 16, flows from the finished rice receiving trough 16 into the finished rice take-out cylinder 17, and then is transferred to the finished rice taking-out cylinder 1.
Packed into bags by 7.

However, since the fixed roll 2 and the moving roll 3 rotate at a considerable speed, the rice hulled by the fixed roll 2 and the moving roll 3 falls at a considerable speed towards the hulled product reflection plate 18, and the paddy is removed. It collides with the piezoelectric sensor 19 on the surface reflective plate 18 and activates it.

Therefore, the pressure is input to the central processing circuit 21 via the delay circuit 20, and compared by the comparator 23. If the pressure is above a certain level, it is determined that the rice is being properly hulled, and the display unit 22 displays the fact.

However, if the voltage drops abnormally due to other causes, the moving roll 3 is configured to be automatically adjusted by an automatic roll gap adjustment device that operates depending on the load current relative to the no-load current. , the moving roll 3 acts to spread it even though it does not have to spread.

Therefore, although there is not much grain between the fixed roll 2 and the moving roll 3, the space between the fixed roll 2 and the moving roll 3 is extremely spread out, and the grain falls in a state similar to a natural fall, so the momentum of the grain colliding with the piezoelectric sensor 19 is significantly weakened. .

Therefore, abnormalities can be monitored using the piezoelectric sensor 19.

(Effects) As mentioned above, conventionally, a fixed roll and a moving roll are provided in the hulling section, and the moving roll is automatically adjusted by an automatic roll gap adjustment device operated by a load current with respect to a no-load current. The configuration is publicly known. However, in the above method, the moving rolls are automatically adjusted by an automatic roll gap adjustment device that operates depending on the load current relative to the no-load current. Since it is the same as if a load was applied even though it is not applied, a misjudgment may occur and the movement roll may widen. In this case, the hulled rice will not be hulled, and the unhulled rice will be
It will fall in large quantities. Accidents like this are very common with automated machines, and once an accident occurs, most of the equipment must be disassembled, making it difficult to take countermeasures.

In the present invention, a fixed roll 2 and a moving roll 3 are provided in the hulling section 1, and the moving roll 3 is configured to be automatically adjusted by an automatic roll gap adjustment device operated by a load current with respect to a no-load current. In the product, a hull-hulled product reflecting plate 18 is provided below the fixed roll 2 and moving roll 3, a piezoelectric sensor 19 is attached on the hull-hulled product reflecting plate 18, and a display section 22 is attached to the piezoelectric sensor 19. A configuration of a monitoring device for a hulling roll in a hulling device which is connected to each other and displays an indication when the fixed roll 2 and the moving roll 3 are abnormally opened and the falling speed of the hulled material is reduced. Therefore, under normal conditions, fixed roll 2 and moving roll 3
Since the rotational speed of is quite high, the rice grains collide with the piezoelectric sensor 19 at a considerable speed and activate it, so that it is inputted to the central processing circuit 21 via the delay circuit 20.
It is compared by the comparator 23 and displayed on the display unit 22, and when the voltage abnormally drops due to other reasons, the moving roll 3 is operated by an automatic roll gap adjustment device that operates based on the load current with respect to the no-load current. Since it is configured to be automatically adjusted by As the grains fall, the momentum of the grains colliding with the piezoelectric sensor 19 is significantly weakened, so that the piezoelectric sensor 19 can monitor abnormalities. .

[Brief explanation of drawings]

FIG. 1 is a block diagram, and FIG. 2 is a sectional view of the hulling device. Explanation of symbols

Claims (1)

[Claims] A fixed roll 2 and a moving roll 3 are provided in the hulling section 1, and the moving roll 3 is configured to be automatically adjusted by an automatic roll gap adjustment device operated by a load current with respect to a no-load current. , a hull-hulling material reflecting plate 18 is provided below the fixed roll 2 and the movable roll 3, a piezoelectric sensor 19 is mounted on the hulling-hulling material reflecting plate 18, a display section 22 is connected to the piezoelectric sensor 19, and the Fixed roll 2
This monitoring device for a hulling roll in a hulling device is configured to display a message to that effect when the moving roll 3 is opened abnormally and the falling speed of the hulled material is reduced.