Automatic control system and control method of rice hulling and milling combined machine

Abstract

The invention discloses an automatic control system of a rice hulling and milling combination machine, which comprises a rice hulling and milling combination machine body, a PLC and an electromagnetic valve, the rice hulling and milling combination machine body comprises a rice huller, a first elevator, a second elevator, a stone and impurity removing machine, a gravity sieve and a rice milling machine, the side surface of the first elevator is provided with a feed port, and the side surface of the second elevator is provided with a discharge port; the top of the second elevator is provided with a distributor communicated with the second elevator, the second elevator is communicated with the gravity screen and the rice huller, the stone and impurity removing machine is communicated with the first elevator and the second elevator, the gravity screen is communicated with the rice milling machine and the second elevator, the distributor is communicated with the rice huller, and the stone and impurity removing machine is communicated with the stone and impurity removing machine. The feeding port, the gravity screen and the rice mill are respectively provided with a sensor, the distributor and the rice mill are respectively provided with an air cylinder for driving the distributor and the rice mill to operate, and the gravity screen is provided with an air cylinder. According to the invention, multiple functions and automatic control are integrated, the functions are diversified, and automatic control can be realized.

Description

Technical Field

[0001] The invention belongs to the field of grain machinery, and in particular relates to an automatic control system and a control method for a rice husking and milling combined rice machine. Background Art

[0002] With the development of the times, rice husker and milling combination machines are becoming more and more popular among consumers. However, the existing rice husker and milling combination machines generally only integrate the functions of husker and milling, and the functions are still not comprehensive enough. At the same time, no matter how many functions are integrated into the existing combination rice machines, it is difficult to achieve automatic control. Therefore, a rice husker and milling combination machine that integrates multiple functions and automatic control is needed to meet the needs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an automatic control system and control method for a rice husking and milling combined rice machine in view of the deficiencies of the above-mentioned prior art, which integrates multiple functions and automatic control, has diverse functions and can be automatically controlled, and fully meets existing needs.

[0004] The technical scheme adopted by the present invention is: an automatic control system for a rice husker and milling combined rice machine, comprising a rice husker and milling combined rice machine body, a PLC and a solenoid valve, wherein the rice husker and milling combined rice machine body comprises a rice husker, a first elevator, a second elevator, a stone and impurity remover, a gravity screen and a rice milling machine, a feed port is provided on the side of the first elevator near the bottom, a distributor connected thereto is provided on the top of the second elevator, the second elevator is respectively connected to the gravity screen and the rice husker, the stone and impurity remover is respectively connected to the first elevator and the second elevator, the gravity screen is respectively connected to the rice milling machine and the second elevator, the distributor is connected to the rice husker, sensors are respectively provided on the feed port, the gravity screen and the rice milling machine, cylinders for driving the distributor and the rice milling machine are respectively provided on the distributor and the rice milling machine, cylinders for controlling the gravity screen to open or close the passages between the gravity screen and the rice milling machine and the second elevator are respectively provided on the gravity screen, the PLC is respectively electrically connected to the sensor and the solenoid valve, and the solenoid valve is electrically connected to the cylinder.

[0005] In one of the embodiments, a start switch is further included, and the start switch is electrically connected to the PLC.

[0006] In one of the embodiments, a display screen is also included, and the display screen is electrically connected to the PLC.

[0007] In one embodiment, the gravity screen includes a rice outlet and a brown rice outlet, and sensors are respectively provided above the rice outlet and the brown rice outlet.

[0008] In one embodiment, two cylinders are arranged on the gravity screen and are used to open or close the passage with the rice mill and the second elevator respectively.

[0009] In one embodiment, the number of the solenoid valves is consistent with the number of the cylinders, each solenoid valve is electrically connected to the PLC, and each solenoid valve is connected to each cylinder respectively.

[0010] The present invention also discloses an automatic control method for a rice husker and milling combined machine, which is realized by the automatic control system of the rice husker and milling combined machine, and comprises the following steps:

[0011] Step 1, turn on the start switch, set the dividing line value between brown rice and paddy, PLC and each sensor are started, when the sensor arranged on the feed port detects paddy, enter step 2, when the sensor of the brown rice outlet on the gravity screen detects no logistics, enter step 5, when the sensor of the brown rice outlet on the gravity screen detects brown rice, enter step 6;

[0012] Step 2: PLC controls the first hoist and the stone and impurity remover to work. The stone and impurity remover removes stones and impurities from the rice and discharges them. The second hoist transports the rice to the rice husker, and then enters step 3.

[0013] Step 3: PLC controls the rice husker to husk the rice. The husked brown rice and a small amount of rice enter the gravity screen through the second elevator and enter step 4;

[0014] Step 4: PLC controls the gravity screen and drives the gravity screen to screen the brown rice and paddy. When the boundary between brown rice and paddy reaches the set value, PLC controls the cylinder on the gravity screen through the solenoid valve to operate, and the paddy enters the second elevator and enters step 5. The brown rice enters the rice mill and enters step 6.

[0015] Step 5: PLC closes the cylinder of the gravity screen through the solenoid valve and drives the cylinder on the distributor to operate. The distributor works, and the rice enters the rice husker through the distributor. Repeat steps 3 to 4.

[0016] Step 6: PLC controls the operation of the cylinder on the rice milling machine through the solenoid valve, thereby driving the rice milling machine to work and polish the brown rice.

[0017] The beneficial effects of the present invention are:

[0018] 1. It integrates multiple mechanisms and functions to fully meet the various needs of rice processing;

[0019] 2. All mechanisms are interconnected and work through sensor detection and PLC control, which can be automatically controlled and have a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the first hoist of the present invention;

[0022] Figure 3 This is a schematic diagram of the gravity screen sensor arrangement of the present invention;

[0023] Figure 4 This is a schematic diagram of the arrangement of the gravity screen cylinder of the present invention;

[0024] Figure 5 This is a schematic diagram of the cylinder arrangement of the rice mill of the present invention;

[0025] Figure 6 This is a schematic diagram of the solenoid valve arrangement of the rice mill of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the distributor of the present invention.

[0027] In the figure: 1. main body of rice husker and milling machine; 2. PLC; 3. sensor; 4. solenoid valve; 5. cylinder; 6. start switch; 7. display screen; 101. rice husker; 102. first elevator; 103. second elevator; 104. gravity screen; 105. rice mill; 106. stone and impurity remover; 107. material distributor; 1021. feed inlet. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] like Figure 1-Figure 7 As shown, an automatic control system for a rice husking and milling combination rice machine comprises a rice husking and milling combination rice machine body 1, a PLC 2 and a solenoid valve 4. The rice husking and milling combination rice machine body 1 comprises a rice husking machine 101, a first elevator 102, a second elevator 103, a stone removing and impurity removing machine 106, a gravity screen 104 and a rice milling machine 105. A feed inlet 1021 is provided on the side of the first elevator 102 near the bottom, a material distributor 107 is provided on the top of the second elevator 103 and is connected thereto, the second elevator 103 is connected to the gravity screen 104 and the rice husking machine 101 respectively, the stone removing and impurity removing machine 106 is connected to the first elevator 102 and the second elevator 105 respectively. 03, the gravity screen 104 is connected with the rice milling machine 105 and the second elevator 103 respectively, the divider 107 is connected with the rice husker 101, the feed inlet 1021, the gravity screen 104 and the rice milling machine 105 are respectively provided with a sensor 3, the divider 107 and the rice milling machine 105 are respectively provided with a cylinder 5 for driving the divider 107 and the rice milling machine 105 to operate, the gravity screen 104 is provided with a cylinder 5 for controlling the opening or closing of the passage between the gravity screen 104 and the rice milling machine 105 and the second elevator 103 respectively, the PLC2 is electrically connected with the sensor 3 and the solenoid valve 4 respectively, and the solenoid valve 4 is electrically connected with the cylinder 5.

[0030] In this embodiment, a start switch 6 is also included, and the start switch 6 is electrically connected to the PLC 2.

[0031] In this embodiment, a display screen 7 is also included, and the display screen 7 is electrically connected to the PLC2.

[0032] In this embodiment, the gravity screen 104 includes a rice outlet and a brown rice outlet, and sensors 3 are respectively provided above the rice outlet and the brown rice outlet.

[0033] In this embodiment, two cylinders 5 are arranged on the gravity screen 104 and are used to open or close the passages with the rice mill 105 and the second elevator 103 respectively.

[0034] In this embodiment, the number of the solenoid valves 4 is consistent with the number of the cylinders 5 , each solenoid valve 4 is electrically connected to the PLC 2 , and each solenoid valve 4 is connected to each cylinder 5 respectively.

[0035] The present invention also discloses an automatic control method for a rice husker and milling combined machine, which is realized by the automatic control system of the rice husker and milling combined machine, and comprises the following steps:

[0036] Step 1, turn on the start switch 6, set the dividing line value between brown rice and paddy, PLC2 and each sensor 3 are started, when the sensor 3 arranged on the feed port 1021 detects paddy, enter step 2, when the sensor 3 of the brown rice outlet on the gravity screen 104 detects no logistics, enter step 5, when the sensor 3 of the brown rice outlet on the gravity screen 104 detects brown rice, enter step 6;

[0037] Step 2: PLC2 controls the first hoist 102 and the stone and impurity remover 106 to work. The stone and impurity remover 106 removes stones and impurities from the rice and discharges them. The second hoist 103 transports the rice to the rice husker 101, and then enters step 3;

[0038] Step 3: PLC2 controls the rice husker 101 to husk the rice. The husked brown rice and a small amount of rice enter the gravity screen 104 through the second elevator 103, and then enters step 4;

[0039] Step 4: PLC2 controls the gravity screen 104 and drives the gravity screen 104 to work, and screens the brown rice and paddy. When the boundary between brown rice and paddy reaches the set value, PLC2 controls the cylinder 5 on the gravity screen 104 to operate through the solenoid valve 4, and the paddy enters the second elevator 103, and enters step 5. The brown rice enters the rice mill 105, and enters step 6.

[0040] Step 5, PLC2 closes the cylinder 5 of the gravity screen 104 through the solenoid valve 4 and drives the cylinder 5 on the distributor 107 to operate, the distributor 107 works, and the rice enters the rice husker 101 through the distributor 107, and repeats steps 3 to 4;

[0041] Step 6: PLC2 controls the cylinder 5 on the rice milling machine 105 to operate through the solenoid valve 4, thereby driving the rice milling machine 105 to work and polish the brown rice.

[0042] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An automatic control system for a rice husking and milling combined rice machine, characterized in that: The invention comprises a rice husking and milling combined machine body (1), a PLC (2) and a solenoid valve (4); the rice husking and milling combined machine body (1) comprises a rice husking machine (101), a first elevator (102), a second elevator (103), a stone removing and impurity removing machine (106), a gravity screen (104) and a rice mill (105); a feeding port (1021) is provided on the side of the first elevator (102) near the bottom; a material distributor (107) is provided on the top of the second elevator (103) and is connected to the second elevator (103); the second elevator (103) is connected to the gravity screen (104) and the rice husking machine (101) respectively; the stone removing and impurity removing machine (106) is connected to the first elevator (102) and the second elevator (103) respectively; the gravity screen (1021) is provided to the first elevator (102) and the second elevator (103) respectively; 4) are respectively connected to the rice milling machine (105) and the second elevator (103), the distributor (107) is connected to the rice husker (101), the feed port (1021), the gravity screen (104) and the rice milling machine (105) are respectively provided with sensors (3), the distributor (107) and the rice milling machine (105) are respectively provided with cylinders (5) for driving the distributor (107) and the rice milling machine (105) to operate, the gravity screen (104) is provided with cylinders (5) for respectively controlling the opening or closing of the passages between the gravity screen (104) and the rice milling machine (105) and the second elevator (103), the PLC (2) is respectively electrically connected to the sensor (3) and the solenoid valve (4), and the solenoid valve (4) is electrically connected to the cylinder (5).

2. The automatic control system of a rice husking and milling combined rice machine according to claim 1, characterized in that: It also includes a start switch (6), which is electrically connected to the PLC (2).

3. The automatic control system of a rice husking and milling combined rice machine according to claim 1, characterized in that: It also comprises a display screen (7), wherein the display screen (7) is electrically connected to the PLC (2).

4. An automatic control system for a rice husking and milling combined rice machine according to claim 1, 2 or 3, characterized in that: The gravity screen (104) comprises a rice outlet and a brown rice outlet, and sensors (3) are respectively provided above the rice outlet and the brown rice outlet.

5. The automatic control system of the rice husking and milling combined rice machine according to claim 4, characterized in that: There are two cylinders (5) arranged on the gravity screen (104) and they are used to open or close the passages with the rice mill (105) and the second elevator (103) respectively.

6. The automatic control system of the rice husking and milling combined machine according to claim 5, characterized in that: The number of the solenoid valves (4) is consistent with the number of the cylinders (5), each solenoid valve (4) is electrically connected to the PLC (2), and each solenoid valve (4) is respectively connected to each cylinder (5).

7. An automatic control method for a rice husker and milling machine, which is implemented by the automatic control system for a rice husker and milling machine according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: Turn on the start switch (6), set the dividing line value between brown rice and paddy, start the PLC (2) and each sensor (3), when the sensor (3) arranged on the feed port (1021) detects paddy, enter step 2, when the sensor (3) of the brown rice outlet on the gravity screen (104) detects no logistics, enter step 5, when the sensor (3) of the brown rice outlet on the gravity screen (104) detects brown rice, enter step 6; Step 2: PLC (2) controls the first elevator (102) and the stone and impurity remover (106) to operate, the stone and impurity remover (106) removes stones and impurities from the rice and discharges them, and the second elevator (103) transports the rice to the rice husker (101), and then proceeds to step 3; Step 3: PLC (2) controls the rice husker (101) to husk the rice, and the husked brown rice and a small amount of rice enter the gravity screen (104) through the second elevator (103), and then proceeds to step 4; Step 4: PLC (2) controls the gravity screen (104) and drives the gravity screen (104) to work, and screens the brown rice and paddy. When the boundary between the brown rice and paddy reaches the set value, PLC (2) controls the cylinder (5) on the gravity screen (104) to operate through the electromagnetic valve (4), and the paddy enters the second elevator (103), and the process proceeds to step 5. The brown rice enters the rice mill (105), and the process proceeds to step 6. Step 5, PLC (2) closes the cylinder (5) of the gravity screen (104) through the solenoid valve (4) and drives the cylinder (5) on the distributor (107) to operate, the distributor (107) works, and the rice enters the rice husker (101) through the distributor (107), and steps 3 to 4 are repeated; Step 6: The PLC (2) controls the operation of the cylinder (5) on the rice milling machine (105) through the solenoid valve (4), thereby driving the rice milling machine (105) to work and polish the brown rice.

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