JP4401030B2 - Coin milling equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a coin milling equipment.
[0002]
[Prior art]
Coin milling equipment that automatically performs milling work by inserting coins, bills, or other money is known. This coin milling machine is equipped with a stone remover that removes foreign matter such as pebbles from brown rice and rice grains that are processed rice, and a rice milling machine that actually performs the rice milling process. In this state, by inserting coins and pressing a whiteness selection button or the like, rice milling is automatically performed, and the milled white rice is discharged into the white rice hopper.
[0003]
As shown in FIGS. 3 and 4, the interior of the building 1, which is a coin milling facility, is divided into a guest room 3 where users can freely come and go with a partition wall 2, and only limited people such as managers and maintenance inspectors. The machine room 4 is inaccessible.
[0004]
The guest room 3 is provided with a loading hopper 5 for allowing the user to input treated rice such as brown rice, and a white rice hopper 6 for discharging and storing the polished white rice, and the operation control panel 7 has a front surface. Although not shown, the operation control panel 7 has a push button for selecting the type of rice, a push button for selecting the degree of whiteness of the rice, and money when there is residual rice. There are provided a lamp for prompting the user to add a lamp, a lamp indicating that the business is in progress, and the like, and control means for controlling the coin milling equipment is provided in the operation control panel 7.
[0005]
As shown in FIGS. 3 to 5, in the machine room 4, a stone remover 8 that removes foreign matters such as stones, a rice mill 9 that actually performs the rice milling process, and a pot that sends the rice bran generated during the rice milling process to a predetermined location. A blower 10 and the like are disposed, and a brown rice from the charging hopper 5 is sent to a stone removal tank 11 disposed at a position directly above the stone removal machine 8, or a foreign object such as stones by the stone removal machine 8. A rice lifting machine 14 for sending the brown rice from which the rice has been removed to the rice milling tank 13 is provided. In addition, as shown in FIG. 5, a net conveyor for removing foreign substances such as straw (such as a net-like body knitted in an endless belt shape with a metal mesh, is rotated in a predetermined direction on the upper part of the rice milling tank 13, etc. Some have a foreign matter such as straw that is caught on the wall 21).
[0006]
In FIG. 5, reference numeral 26 denotes a stone extraction introduction passage that guides the brown rice raised by the tension elevator 12 to the stone removal tank 11, and 27 returns an overflow amount exceeding the upper limit level of the rice milling tank 13 to the stone removal tank 11. 28, a stone discharge chute for discharging foreign matter such as stones separated by the stone remover 8 to a predetermined location, 29 a stone remover shutter provided at the discharge port of the stone removal tank 11, and 30 a stone remover 8 A pulverizer brown rice chute that guides the brown rice separated in step 4 to the rice lifter 14, 31 is a rice milling body portion of the rice milling machine 9, 32 is a white rice discharge cylinder provided at the lower end of the rice milling body portion 31, and 33 is a drive of the rice milling machine 9. A motor 34 is a cyclone that causes the straw generated in the rice mill 9 to flow down to the straw bag or the like through the blower 10 for straw.
[0007]
The stone extraction tank 11 and the polished rice tank 13 are disposed at the brown rice lower limit level position of the tanks 11 and 13, respectively, and the supply operation of the brown rice to the tanks 11 and 13 is started, and the brown rice disappears from the tanks 11 and 13. That is, the stone lowering lower limit level sensor 22 and the rice milling lower limit level sensor 23 for detecting the supply state from the tanks 11 and 13, and the brown rice upper limit level position of each tank 11 and 13 are arranged in the tanks 11 and 13, respectively. A stone extraction upper limit level sensor 24 and a rice milling upper limit level sensor 25 for detecting an overflow state are attached. When a coin milling machine is instructed to drive, the rice milling lower limit level sensor 23 provided in the rice milling tank 13 removes brown rice. At the detected stage, it is determined that the supply of brown rice to the rice milling machine 9 is started, and the rice milling operation in the rice milling machine 9 is started.
[0008]
In addition, the brown rice as the treated rice was put into the loading hopper 5 by the customer, the money was thrown in, and the rice type selection push button or the whiteness selection push button provided on the front surface of the operation control panel 7 was pushed. At that time, the tension elevator 12, the rice mill elevator 14, the stone puncher 8, and the net conveyor 21 are all started to be driven.
[0009]
Generally, in this type of coin rice milling equipment, the stone remover 8 or the rice mill 9 is driven for a predetermined time according to the type of treated rice selected by the user (for example, brown rice or rice bran). It has become. Moreover, in the stone remover 8, since a part of the treated rice remains inside when the stone removal operation is finished, the stone remover 8 is not mixed with the previous treated rice. The remaining rice collecting operation is performed at a predetermined timing, and this remaining rice collecting operation is performed, for example, after finishing the treated rice discharging operation by the normal stone removing operation.
[0010]
As shown in FIGS. 6 to 8, the concrete configuration of the stone remover 8 can be swung in an inclined posture in which one stone removal side is raised and the other brown rice take-out side is lowered. By supplying blown rice as treated rice onto the sorting portion 42 of the screen 41 while blowing air from below to the supported screen 41 having air permeability and swinging the screen 41, the closed state is achieved. Foreign matter such as stones contained in the brown rice and the brown rice are accumulated on the side of the stone outlet 42a, and the brown rice overflowing from the side of the brown rice outlet 42b on the opposite side is discharged. Further, by opening the stone discharge shutter 43 provided at the stone outlet 42a so as to be freely opened and closed, the foreign matter collected on the stone outlet 42a is discharged together with the brown rice.
[0011]
Further, on one side of the screen 41 (upper side in FIG. 8), a remaining rice return passage 43 for discharging the remaining rice remaining on the screen 41 is partitioned by a partition plate 44, and the above-described stone discharge After the operation, the remaining rice discharge shutter 45 that can be opened and closed at a position close to the stone outlet 42 of the partition plate 44 is opened, so that the remaining rice remaining on the sorting unit 42 becomes the remaining rice introduction port 46 and the remaining rice. It is discharged from the remaining rice outlet 43a through the return passage 43. In FIG. 6, 47 is a windmill box, 48 is a windmill, and 49 is a swing motor for swinging the screen 41.
[0012]
As shown in FIGS. 7 and 8A, in the sorting unit 42, a large number of cut-and-raised portions 42c are formed so that air from below is blown obliquely upward near the stone opening 42a. The upper foreign matter and brown rice are configured to move toward the stone outlet 42a. On the other hand, as shown in FIGS. 7 and 8B, in the return passage 43, a large number of cut-and-raised portions 43b are formed so that air from below is blown obliquely upward near the remaining rice outlet 43a. The remaining rice introduced into the rice return passage 43 is actively moved to the remaining rice outlet 43a.
[0013]
Then, after the brown rice is supplied to the screen 41 of the stone remover 8 and the stone removal operation is performed, all the brown rice put into the charging hopper 5 is sent to the stone remover 8 and the stone removal lower limit level sensor 22 is turned off. Then, after a predetermined time, the stone discharge shutter 43 of the stone remover 8 is opened for a predetermined time to discharge foreign matter collected on the stone removal port 42a side, and at the same time the stone discharge shutter 43 of the stone remover 8 is closed. The remaining rice discharge shutter 45 is opened for a certain amount of time, and the remaining rice remaining on the sorting unit 42 is discharged from the remaining rice outlet 43a through the remaining rice introduction port 46 and the remaining rice return passage 43, so that the screen 41 The remaining rice is collected.
[0014]
The rice mill main body 31 constituting the main body of the rice mill 9 has a structure as shown in FIG. A hollow rotating shaft 53 that is rotated through a driving pulley 52 by a driving motor 33 of the rice milling machine 9 is disposed in a main body casing 51 that is disposed in the vertical direction, and a feed roll 54 is disposed above the rotating shaft 53. Further, a milled rice roll 55 having a ridge portion is attached to the lower part of the rotating shaft 53, and the feed roll 54 and the milled rice roll 55 rotate integrally with the rotating shaft 53. Reference numeral 56 denotes a metal net disposed on the outer peripheral side of the feed roll 54 and the rice milling roll 55 to form an outer shell portion of the rice milling chamber 57. The rice cake in the net 56 is passed through a koji discharge part (not shown). The air is sucked together with the air and discharged from the bag blower 10. A supply screw 58 and a supply casing 59 for feeding brown rice from the milled rice tank 13 into the milled rice chamber 57 are disposed on the upper portion of the main casing 51.
[0015]
At the lower end of the main body casing 51, an opening degree regulating member 60 that adjusts the pressure at the time of milling by adjusting the opening degree from the rice milling chamber 57, and between the opening degree regulating member 60 and the rice milling roll 55. A discharge cylinder 61 that guides the white rice discharged from the bottom is fitted to each other so as to be movable up and down. Then, while detecting the load of the milling roll 55 (load in the milled state) from the electric energy of the drive motor 33 that drives the milling roll 55, the opening adjustment motor 62 is operated and the opening arm 63 is interposed. By changing the vertical position of the opening degree regulating member 60, the whiteness control is performed so that rice having a whiteness suitable for the whiteness of the polished rice selected by the user is obtained.
[0016]
9, 64 is an urging spring for urging the opening degree regulating member 60, 67 is an elevating member that is raised and lowered by the opening adjusting motor 62, and 65 is that the elevating member 67 is in the lower limit position. A lower limit position detection switch 66 is an upper limit position detection switch for detecting that the white rice discharge port provided with the opening degree regulating member 60 is in an open state with the elevating member 67 as the upper limit position.
[0017]
It should be noted that the processing capacity of the stone remover 8 is larger than the processing capacity of the rice milling machine 9 so that the rice milling process in the rice milling machine 9 can be stably performed in a predetermined supply state, and further, these processing capacities are higher. Those having a large conveying capacity of the tension elevator 12 and the rice mill elevator 14 are used.
[0018]
[Problems to be solved by the invention]
In this type of coin milling equipment, foreign matter is caught in the discharge port of the stone removal tank 11 provided with the stone removal machine shutter 29 and the surface of the screen 41 of the stone removal machine 8 becomes dirty. Due to the nature of the treated rice, the discharged flow rate of the treated rice from the stone remover 8 may be less than the processing capacity of the rice mill 9, and in this case, the brown rice from the stone remover 8 to the rice mill 9 Supply tends to be interrupted. In this way, if the rice milling process is performed in a state where the supply amount of brown rice to the milled rice main body 31 is extremely small, the rice milling pressure in the rice milling chamber 57 is not stable and may adversely affect the rice milling whiteness. When rice with good whiteness is discharged in a proper supply state, the milling process is terminated. However, as a result, brown rice may remain in the stone remover 8 or the like (this state is controlled by the fact that the brown rice is not detected by the milled rice lower limit level sensor 23 while brown rice is detected by the stone removal lower limit level sensor 22. In this case, the lamp for prompting the addition of money is turned on to prompt the addition of money, but when the user returns as it is, the processing rice that the next user throws in However, it is mixed with the remaining brown rice.
[0019]
In addition, as described above, if the user adds money when prompted to add money, the remaining rice can be processed and recovered by driving the coin milling equipment again. The person will be charged additional money.
[0020]
The present invention solves the above problems, and even when the discharge flow rate of treated rice from the stone remover is less than the suitable treatment flow rate range of the rice mill, it can discharge rice with good whiteness, The purpose is to provide coin milling equipment that can minimize the occurrence of residual rice in the stone removal machine, etc., and does not require the user to pay additional money. It is.
[0021]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 of the present invention detects the flow rate of treated rice from a stone remover to a rice mill in a coin rice mill where a stone remover is arranged upstream of the rice mill. And a control means for delaying and controlling the timing to start driving the rice mill when it detects that the flow rate of the processed rice from the stone remover to the rice mill is small. And
[0022]
With this configuration, if the flow rate of processed rice from the stone remover to the rice mill is reduced and the discharged flow rate of processed rice from the stone remover is less than the suitable processing flow range of the rice mill, the rice mill is driven. Since the timing to start is delayed, before the rice milling machine is driven, a larger amount of processed rice from the stone remover is accumulated in the supply part to the rice milling machine, and as a result, the processed rice to the rice milling machine The supply disruption is minimized.
[0023]
The invention according to claim 2 is the coin rice milling facility according to claim 1, wherein the control means detects by the flow rate detection means that the flow rate of the treated rice from the stone remover to the rice mill is less than a predetermined lower limit value. In addition, it can be set to output as an error state and stop the next milling process.
[0024]
This configuration prevents users from the next time from driving the coin milling machine to perform the milling process in an unstable state where the flow rate of processed rice from the stone remover to the milling machine is extremely low, and mixing with the previous remaining rice. can do.
[0025]
According to a third aspect of the present invention, in the coin polishing apparatus according to the first or second aspect, the stone removal side treated rice detection means for detecting the supply state of the treated rice from the stone removal tank for collecting the treated rice to the stone removal machine; , The processed rice detection means for detecting the supply state of the processed rice from the polished rice tank for storing the processed rice to the rice polishing machine, and the polished rice after detecting that the processed rice has started to be supplied from the stone extraction tank to the stone extraction machine A flow rate detecting means is constituted by a time measuring means for detecting the treated rice moving time until it is detected that the treated rice has started to be supplied from the tank to the rice mill, and the control means is used to remove the stone removal machine based on the treated rice moving time. It is characterized by determining the flow rate of treated rice from the rice to the rice mill.
[0026]
5. The coin milling apparatus according to claim 4, wherein a stone removing machine disposed upstream of the rice milling machine, and a stone removing machine for detecting a supply state of the treated rice to the stone removing machine from a stone removing tank for storing treated rice to the stone removing machine. Side treated rice detecting means, rice mill side treated rice detecting means for detecting the state of supply of treated rice from the rice mill tank for collecting treated rice to the rice mill, and control means, the control means comprising: On the way, supplying the treated rice from the stone removal tank to the stone removal machine by the stone removal side treatment rice detection means while detecting that the supply of the treated rice from the rice polishing tank to the rice polishing machine is stopped by the rice treatment side treatment rice detection means. When it is detected that there is still rice, the rice milling operation by the rice milling machine is temporarily stopped while driving the stone removal machine and the conveying means from the stone removal machine to the rice milling tank. Based on the output of the side processing rice detection means Te, characterized in that to resume the rice operation.
[0027]
According to the above configuration, while detecting that there is no supply of treated rice from the rice mill to the rice mill due to the low flow rate of treated rice from the stone remover to the rice mill, When it is detected that there is still supply of treated rice to the punching machine, the rice milling operation by the rice milling machine is temporarily stopped. At this time, the treated rice supplied to the stone punching machine is stored in the milled rice tank. Therefore, the remaining rice can be minimized by refining the milled rice and milling the treated rice stored in the milled rice tank. In addition, when restarting the rice milling operation, since the determination is based on the output of the stone removal side processed rice detection means and the rice milling side treatment rice detection means, based on the supply state to the stone removal machine and the supply state to the rice mill The rice milling operation can be resumed at an appropriate timing.
[0028]
According to a fifth aspect of the present invention, in the coin rice milling facility according to the fourth aspect, the control means leaves data of the remaining time for driving the rice milling machine when temporarily stopping the rice milling operation by the rice milling machine. When the operation is resumed, control is performed so as to perform the rice milling operation for the remaining time.
[0029]
With this configuration, when the supply of processed rice to the rice mill is interrupted, the rice mill is not driven unnecessarily, and when a predetermined amount of processed rice is to be polished, the flow rate of processed rice from the stone remover to the rice mill Even if there is little, it becomes possible to normally mill rice at the same charge as when the flow rate is normal.
[0030]
According to a sixth aspect of the present invention, in the coin milling equipment according to the fourth or fifth aspect, the control means temporarily stops the rice milling operation by the rice milling machine, and then the output signal from the stone extraction side processed rice detection means When the treated rice detection state is switched to the treated rice non-detected state, when the output signal from the polished rice-side treated rice detection means is switched from the treated rice non-detected state to the treated rice detected state, Rice milling in the case where the output signal from the detection means remains in the treated rice detection state and the output signal from the polished rice side treated rice detection means remains in the treated rice non-detection state after a predetermined time has elapsed. The operation is resumed.
[0031]
With this configuration, when the supply of the treated rice to the rice milling machine is resumed, the rice milling operation can be resumed quickly. When the supply of the treated rice to the stone drilling machine is finished, the stone removal operation and the remaining rice Waiting for the recovery operation, the rice milling operation can be resumed at an appropriate time, and when the output signal from the stone extraction side processing rice detection means or the rice processing side processing rice detection means does not change, the rice polishing operation can be resumed without waiting for a long time. .
[0032]
The invention according to claim 7 is the coin rice milling equipment according to any one of claims 4 to 6, wherein the control means temporarily stops the rice milling operation by the rice milling machine, and then from the stone extraction side treated rice detection means. When the output signal remains in the processed rice detection state and the output signal from the processed rice detection means remains in the processed rice non-detection state for a predetermined time or longer, an error state is output and the next rice polishing It is possible to set so as to stop the processing.
[0033]
This configuration prevents users from the next time from driving the coin milling machine to perform the milling process in an unstable state where the flow rate of processed rice from the stone remover to the milling machine is extremely low, and mixing with the previous remaining rice. can do.
[0034]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a coin rice milling apparatus according to an embodiment of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the component of the function similar to the conventional coin milling equipment, and the description is abbreviate | omitted.
[0035]
The physical components in this coin milling equipment are almost the same as those shown in FIGS. However, the control means (not shown) provided in this coin milling equipment performs a control operation as shown in FIG. That is, the control means of this coin milling equipment includes a stone removal lower limit level sensor 22 as a stone removal side processing rice detection means for detecting the supply state of brown rice from the stone removal tank 11 to the stone removal machine 8, and a rice removal from the rice removal tank 13. Each signal from the milled rice lower limit level sensor 23 as a milled rice processing means for detecting the supply state of the brown rice to the machine 9 is input, and the brown rice is supplied from the stone removal tank 11 to the stone removal machine 8. A timer as a timing means built in the control means for the brown rice movement time (brown rice movement time elapsed when passing through the stone remover 9) from the detection until the brown rice is supplied from the rice mill 13 to the rice mill 9 And detecting the flow rate of brown rice from the stone punching machine 8 to the rice milling machine 9 based on this brown rice movement time, and detecting that the flow rate of brown rice from the stone punching machine 8 to the rice milling machine 9 is small, Rice milling machine And controls the delay the timing for starting driving.
[0036]
More specifically, as shown in FIG. 1, the user puts brown rice into the charging hopper 5 and starts driving the tension elevator 12, the rice lifting elevator 14, the stone remover 8, the net conveyor 21, etc. of the coin milling equipment. After that, whether or not the brown rice put into the charging hopper 5 is raised by the tension elevator 12 and supplied to the stone extraction tank 11 through the stone extraction introduction passage 26 is detected by the stone extraction lower limit level sensor 22 (step). # 1). Then, time measurement is started by a timer from the time when this supply state is detected by the stone extraction lower limit level sensor 22 (step # 2). After that, the brown rice that has reached the stone cutter 8 is subjected to a stone removal process, and the rice lower limit level sensor 23 detects whether or not the brown rice has reached the rice tank 13 through the rice mill elevator 14 (step # 3). When brown rice is detected by the lower limit level sensor 23, the process proceeds from step # 3 to step # 4, and the time measurement by the timer is ended (step # 4).
[0037]
Next, in step # 5, when the measured brown rice movement time is within a preset reference range time (for example, 15 seconds), the process proceeds to step # 6 and the stone remover 8 to the rice mill 9 It is judged that the flow rate of the brown rice to the inside of the reference range is within the reference range, and as a control process regarding the flow rate of the brown rice from the stone remover 8 to the rice milling machine 9, the rice milling machine 9 is immediately started to drive without delaying the timing. Here, as the reference range time, the treated rice such as brown rice is in a normal flow state in the stone removal tank 11 or the stone removal machine 8 (foreign matter is caught in the discharge port of the stone removal tank 11 and becomes clogged, The time range required to pass from the lower end of the stone removal tank 11 to the lower end of the rice milling tank 13 in a state where the surface of the screen 41 of the stone removal machine 8 is not soiled) is set in advance.
[0038]
On the other hand, in step # 5, if the measured brown rice movement time exceeds the preset reference range time and is not more than the allowable upper limit time (for example, 20 seconds), the process proceeds to steps # 7 and # 8. Therefore, it is determined that the flow rate of brown rice from the stone punching machine 8 to the rice milling machine 9 is less than the reference range, and the drive start timing of the rice milling machine 9 is predetermined as a control process regarding the flow rate of brown rice from the stone punching machine 8 to the rice milling machine 9 Is delayed by the first delay time (for example, 30 seconds). Here, as the allowable upper limit time, the flow rate of brown rice that allows the rice milling operation to be performed in the rice mill 9 while the flow state of the treated rice such as brown rice in the stone punching tank 11 and the stone punching machine 8 is poor and small. The allowable upper limit time required to pass from the lower end of the stone extraction tank 11 to the lower end of the milled rice tank 13 corresponding to the case where the value becomes a predetermined lower limit flow rate value is preset.
[0039]
As a result, foreign matter is caught in the discharge port of the stone removal tank 11 and it becomes clogged, the surface of the screen 41 of the stone removal machine 8 becomes dirty, the nature of the treated rice, etc., the treated rice from the stone removal machine 8 Even when the discharge flow rate is lower than the processing capacity of the rice milling machine 9, the timing for starting the rice milling machine 9 is delayed more than usual. A large amount of brown rice from 8 is stored in the milled rice tank 13. As a result, the supply of brown rice to the rice mill 9 can be prevented from being interrupted, the rice milling process can be stably performed, and the brown rice can be prevented from remaining in the stone remover 8 or the like.
[0040]
In step # 5, when the measured brown rice movement time not only exceeds the preset reference range time but also exceeds the allowable upper limit time, step # 7 to step # 9 are performed. Then, it is determined that the flow rate of the brown rice from the stone remover 8 to the rice mill 9 is less than a predetermined lower limit flow rate value. Is delayed by a second delay time (for example, 50 seconds) longer than the first delay time, and is output as an error state (for example, a charging prohibition lamp provided above the charging hopper 6 is turned on. The operating lamp provided on the operation control panel 7 is turned off), and the next milling process is set to be stopped (step # 10).
[0041]
That is, in this case, it is considered that the discharge flow rate of the treated rice from the stone remover 8 is considerably less than the processing capacity of the rice milling machine 9 (a suitable processing flow rate range of the rice milling machine 9). In addition, by further delaying the timing at which the rice milling machine 9 is started to be driven, compared to the case where the timing at which the rice milling machine 9 is not started is delayed, the brown rice from the stone remover 8 is equivalent to the rice milling tank before the rice milling machine 9 starts to be driven. 13 is accumulated more. As a result, the supply of brown rice to the rice mill 9 can be minimized, and the rice milling process can be brought into a stable state.
[0042]
However, in this case, brown rice may remain in the stone remover 8 or the like and may be mixed with the next user's brown rice. Further, the cause of the decrease in the flow rate is not due to the nature of the treated rice, but is due to foreign matter being caught at the discharge port of the stone removal tank 11 or the surface of the screen 41 of the stone removal machine 8 being soiled. It is considered that the flow rate will be the same next time. Accordingly, as described above, the charging prohibition lamp is turned on or the operating lamp provided on the operation control panel 7 is turned off to inform the user that the subsequent rice milling process has been stopped, and the user To prevent brown rice from mixing. In addition, for the administrator and maintenance inspector of the coin milling equipment, for example, the administrator opens the operation control panel 7 and performs a predetermined operation. Is notified via a liquid crystal display or the like. This prompts the administrator or maintenance inspector to clean the discharge port of the stone removal tank 11 or the screen 41, and the administrator or the like performs a reset process by a predetermined push button operation or the like after the cleaning. To the normal sales state where the brown rice flows well to the rice mill 9.
[0043]
Moreover, according to the said structure, as a flow volume detection means which measures the flow volume of the brown rice from the stone remover 8 to the rice milling machine 9, in order to detect the timing which starts a foreign material discharge operation etc., the stone removal minimum provided conventionally Since the level sensor 22 and the rice milling lower limit level sensor 23 provided conventionally for detecting the rice milling start drive timing are used, it is not necessary to provide a separate sensor, and the manufacturing cost can be reduced.
[0044]
In the above-described embodiment, the drive start timing of the rice milling machine 9 is delayed in two stages according to the flow rate of brown rice from the stone remover 8 to the rice milling machine 9, and the case of not delaying the drive start timing is 3 Although the embodiment in the case where conditions are divided into three stages has been described, the present invention is not limited to this. The flow rate of brown rice is detected in more stages, and the delay time of the drive start timing is increased in many stages depending on the conditions. Control may be performed, or conversely, control may be performed only on the presence or absence of a delay in drive start timing.
[0045]
Further, in this coin rice milling equipment, while the rice milling lower limit level sensor 23 detects that brown rice is no longer supplied from the rice milling tank 13 to the rice milling machine 9 during the rice milling process, When it is detected that there is still supply of brown rice from 11 to the stone remover 8, the rice milling operation by the rice mill 9 is temporarily stopped while driving the stone remover 8, the tension elevator 12, and the rice mill elevator 14, Thereafter, based on the outputs of the stone removal lower limit level sensor 22 and the rice milling lower limit level sensor 23, a control operation for resuming the rice milling operation is performed.
[0046]
That is, as shown in FIG. 2, during the milling process, when the milling lower limit level sensor 23 is turned off even if the milling lower limit level sensor 22 is in the ON state, the brown rice only at the location of the milling tank 13. Therefore, while the equipment upstream of the rice milling machine 9 is continuously driven, the rice milling operation by the rice milling machine 9 is temporarily stopped and the rice milling operation time by the rice milling machine 9 is measured. The timer is temporarily stopped (step # 12).
[0047]
In step # 13, when the rice milling lower limit level sensor 23 is switched to ON, it is determined that the brown rice accumulated in the dewatering tank 13 has been supplied to the rice milling machine 9, and immediately the rice milling machine. 9 is resumed (step # 14).
[0048]
In step # 15, when the stone removal lower limit level sensor 22 is switched OFF, it is determined that the brown rice accumulated in the location of the stone removal tank 13 has been discharged onto the stone removal machine 8, and the stone removal operation is performed. The remaining rice collecting operation is performed, and when these operations are completed, the rice milling operation is resumed (steps # 16 and # 14).
[0049]
In this way, the rice milling operation is temporarily stopped until brown rice is collected in the rice milling tank 13, and the rice milling operation is performed when the brown rice is collected or thought to have accumulated in the rice milling tank 13. The rice can be milled satisfactorily and the generation of residual rice in the stone removal tank 13 or the stone removal machine 8 can be minimized.
[0050]
On the other hand, when a predetermined time (for example, 1 minute) has passed since the rice milling machine 9 was stopped without the rice milling lower limit level sensor 23 being turned ON or the stone removal lower limit level sensor 22 being turned OFF. It is determined that the foreign substance is caught in the stone removal tank 13 and becomes extremely clogged, and it is determined that the flow rate of the brown rice from the stone removal machine 8 to the rice milling machine 9 is abnormally reduced, and the process proceeds from step # 17 to step # 18. In this case, an error state is output (for example, a charging prohibition lamp provided above the charging hopper 6 is turned on or a business lamp provided on the operation control panel 7 is turned off), and the next rice milling process is stopped. Set to Then, considering that the state in which the flow rate of the brown rice is abnormally small hardly changes, the rice milling operation is resumed (step # 14). As a result, it is possible to notify the user and the administrator that the subsequent rice milling process has been stopped, and to prevent the user's brown rice from being mixed. The rice milling operation can be resumed.
[0051]
Here, when the rice milling operation is resumed in step # 14, the time measurement by the timer of the rice milling operation time is also resumed, and the rice milling operation for the remaining time is performed. As a result, even when the flow rate of treated rice from the stone remover 5 to the rice milling machine 9 is small to some extent (except when it is extremely small), the rice can be polished normally at the same rate as when the flow rate is normal. In this way, it is possible to prevent the user from being forced to pay an additional fee.
[0052]
In this way, even when the discharged flow rate of treated rice from the stone remover 8 is reduced due to the above-mentioned causes such as foreign matter being caught at the discharge port of the stone removal tank 11, These brown rice can be milled without incurring an additional charge, and it is possible to minimize brown rice from remaining in the stone remover 8 or the like.
[0053]
Also in these controls, since the conventional stone removal lower limit level sensor 22 and the milled rice lower limit level sensor 23 are used, it is not necessary to provide a separate sensor, thereby preventing an increase in manufacturing cost. it can.
[0054]
In the above embodiment, the case of brown rice as the treated rice has been described, but also in the case of a coin milling machine that has a grinder or the like in the previous stage of the stone remover 8 and can input the rice as treated rice. Of course, it is applicable.
[0055]
【The invention's effect】
As described above, according to the present invention, when the flow rate of the processed rice from the stone remover to the rice mill is small, the supply of the processed rice to the rice mill is interrupted by delaying the timing to start driving the rice mill. It can be suppressed to the minimum, and while it can discharge rice with good whiteness, it can prevent brown rice from remaining on the stone remover and the like, improving the reliability of the coin milling equipment.
[0056]
In addition, when it is detected that the flow rate of the treated rice from the stone remover to the rice mill is less than the predetermined lower limit value, it is output as an error state and can be set to stop the next rice milling process. In addition, it is possible to prevent the problem that the previous remaining rice is mixed with the processed rice of the next user, and this also improves the reliability of the coin milling equipment.
[0057]
In addition, the processing state of the processed rice from the stone removal side processing rice detection means for detecting the supply state of the processed rice from the stone extraction tank for storing the processed rice to the stone removal machine, and the supply state of the processed rice from the rice polishing tank for storing the processed rice to the rice polishing machine From the detection of the treated rice detection means for detecting the polished rice and the start of the supply of processed rice from the stone removal tank to the stone removal machine until the detection of the start of supply of processed rice from the rice polishing tank to the rice polishing machine The flow rate detecting means is constituted by the time measuring means for detecting the treated rice moving time, and the control means determines the flow rate of the treated rice from the stone remover to the rice mill based on the treated rice moving time, thereby reducing the production cost. The increase can be suppressed.
[0058]
In addition, during the milling process, the processing from the scouring tank to the scouring machine is detected by the scouring side processing rice detection means while detecting that the processing rice is no longer supplied from the scouring tank to the milling machine. When it is detected that rice is still supplied, the rice milling operation by the rice milling machine is temporarily stopped while driving the conveying means from the stone milling machine to the rice milling tank. By resuming the rice milling operation based on the output of the side processing rice detection means, the remaining rice can be minimized and the reliability of the coin rice milling equipment is improved. And when restarting the rice milling operation, in order to make a determination based on the output of the stone removal side treated rice detection means and the rice polishing side treatment rice detection means, based on the supply state to the stone removal machine and the supply state to the rice mill The rice milling operation can be resumed at an appropriate timing.
[0059]
Furthermore, when the rice milling operation by the rice milling machine is temporarily stopped, the remaining time data for driving the rice milling machine is left, and then the rice milling operation for the remaining time is performed when the rice milling operation is resumed. Even when the flow rate of processed rice from the punching machine to the rice milling machine is small, the rice can be polished normally at the same rate as when the flow rate is normal, and it is possible to prevent the user from being forced to pay an additional fee.
[0060]
In addition, after the rice milling operation by the rice milling machine is temporarily stopped, the output signal from the stone extraction side processed rice detection means is switched from the processed rice detection state to the processed rice non-detection state, and the polished rice side processed rice detection means. When the output signal from the non-processed rice detection state is switched from the processed rice non-detected state to the processed rice detection state, and the output signal from the stone extraction side processed rice detection means remains in the processed rice detection state, the output from the polished rice side processed rice detection means Resume the rice milling operation as quickly as possible while preventing the remaining rice by resuming the rice milling operation when the signal remains in the non-detected state of the processed rice for a predetermined time or more. It is possible to prevent the waiting time for the user from becoming unnecessarily long.
[0061]
Furthermore, after the rice milling operation by the rice milling machine is temporarily stopped, the output signal from the stone extraction side processed rice detection means remains in the processed rice detection state, and the output signal from the rice milling side processed rice detection means remains in the processed rice non-detection state. If the state remains unchanged for a predetermined time or longer, it is output as an error state so that the next milling process can be set to be canceled, so that the next remaining rice remains in the next user's processed rice. Problems such as mixing can be prevented, and this also improves the reliability of the coin milling equipment.
[Brief description of the drawings]
FIG. 1 is a flowchart showing a control operation at the start of rice milling of a coin rice mill according to an embodiment of the present invention.
FIG. 2 is a flowchart showing a control operation during the rice milling of the coin rice milling equipment.
FIG. 3 is a plan view of a coin milling equipment showing a conventional example and an embodiment.
FIG. 4 is a side view of the coin milling equipment.
FIG. 5 is a diagram showing a schematic configuration of the coin milling equipment.
FIG. 6 is a schematic front view of a stone punching machine in the coin milling equipment.
FIG. 7 is a plan view of the screen of the stone remover.
FIGS. 8A and 8B are a schematic cross-sectional view of a sorting portion of the screen and a schematic cross-sectional view of a remaining rice return path, respectively.
FIG. 9 is a sectional view of a rice milling machine main body in the coin rice milling equipment.
[Explanation of symbols]
8 Stone extraction machine
9 Rice milling machine
11 Stone extraction tank
13 Rice milling tank
22 Stone removal lower limit level sensor (stone removal side processing rice detection means)
23 Rice milling lower limit level sensor (Rice processing side rice detection means)

Claims (7)

In coin milling equipment where a stone remover is located upstream from the rice mill, flow detection means for detecting the flow rate of treated rice from the stone remover to the rice mill, and processing from the stone remover to the rice mill by the flow detection means A coin rice milling facility comprising: control means for delaying and controlling the timing of starting to drive the rice mill when it detects that the flow rate of rice is low. When the flow rate detecting means detects that the flow rate of the treated rice from the stone remover to the rice mill is less than a predetermined lower limit value, the control means outputs an error state and stops the next rice milling process. The coin milling equipment according to claim 1, wherein the equipment is settable. Detecting the supply state of the treated rice from the stone removal side processing rice detection means for detecting the supply state of the processed rice from the stone extraction tank for storing the processed rice to the stone removal machine and the supply state of the processed rice from the rice polishing tank for storing the processed rice to the rice polishing machine Processed rice from the detection of the processed rice detection means and the start of the supply of processed rice from the stone removal tank to the stone removal machine until the detection of the start of supply of processed rice from the rice polishing tank to the polishing machine The flow rate detecting means is constituted by time measuring means for detecting the moving time, and the control means determines the flow rate of the treated rice from the stone remover to the rice mill based on the treated rice moving time. Or the coin-milling equipment of 2. A stone remover located upstream from the rice mill, a stone removal side treated rice detection means for detecting the supply state of the treated rice from the stone removal tank that collects treated rice to the stone remover, and the rice mill A rice mill-side treated rice detection means for detecting the supply state of the treated rice from the rice milling tank for collecting the treated rice to the rice mill, and a control means,
While the control means detects that there is no longer any supply of processed rice from the polished rice tank to the polished rice machine by the polished rice processing rice detection means during the polishing process, When it is detected that there is still supply of processed rice to the rice removal machine, the rice milling operation by the rice milling machine is temporarily stopped while driving the conveying means from the stone removal machine and the stone removal machine to the rice milling tank, and then the stone removal side A coin rice milling facility which restarts the rice milling operation based on the outputs of the treated rice detection means and the polished rice processing rice detection means. The control means leaves the data of the remaining time for driving the rice milling machine when temporarily stopping the rice milling operation by the rice milling machine, and then performs the rice milling operation for the remaining time when restarting the rice milling operation thereafter. The coin milling equipment according to claim 4, wherein the equipment is controlled. The control means temporarily stops the rice milling operation by the rice milling machine, and then the case where the output signal from the stone extraction side treated rice detection means switches from the treated rice detection state to the treated rice non-detection state, When the output signal from the detection means switches from the treated rice non-detected state to the treated rice detected state, and the output signal from the stone removal side treated rice detecting means remains in the treated rice detected state from the polished rice side treated rice detecting means 6. The coin-milling equipment according to claim 4, wherein the rice-milling operation is resumed when the state where the output signal remains in the non-detected state of the treated rice after a predetermined time has elapsed. The control means temporarily stops the rice milling operation by the rice milling machine, and then the output signal from the stone removal side treated rice detection means remains in the treated rice detection state, and the output signal from the rice milling side treated rice detection means is not treated rice. It can be set to output as an error state and stop the next rice milling process when the detection state remains for a predetermined time or longer. The described coin milling equipment.

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