CN115805115A - Intelligent milling equipment - Google Patents

Abstract

The object of the present invention is to provide a milling apparatus which quickly reaches an optimum steady state at an early stage. The invention specifically provides intelligent milling equipment, which comprises a milling device and a control device, and is characterized in that a main roller driving mechanism is a motor, a discharging mechanism is provided with a milling cavity discharging component for discharging, the milling cavity discharging component is provided with different opening degrees, and the control device comprises: an opening degree current value storage part for storing different grinding current values and opening degrees corresponding to the grinding current values; a current setting section for setting a current value to be used in the grinding process as a current set current value; a retrieval acquisition part used for retrieving the opening current value storage part according to the current set current value and acquiring the opening corresponding to the current set current value; and the discharging control part controls the discharging mechanism by taking the opening degree as the initial opening degree of the grinding treatment.

Description

Intelligent milling equipment

Technical Field

The invention belongs to the field of grain processing machinery, and particularly relates to intelligent milling equipment for milling grains.

Background

In the grain processing process, milling treatment is often required, for example, grains are subjected to chaff removal to form brown rice, and the brown rice is subjected to milling to remove skin layers, embryos and the like to form polished rice.

In the prior art, all the operating parameters of the milling equipment are fixed values when the processing is started; after a period of processing, an operator samples and analyzes, and then adjusts parameters according to the analysis result, and the manual judgment and adjustment mode not only consumes manpower, but also has the possibility of influencing the product quality due to errors.

In addition, in order to realize automatic control, some devices which perform feedback adjustment in real time through automatic detection and detection results exist in the prior art. However, the feedback regulation means require a period of gradual regulation to steady state during the initial period of operation of the plant, during which the obtained cereal product is generally of unsatisfactory quality and needs to be discarded or reprocessed, so that the overall efficiency remains insufficient.

Disclosure of Invention

In order to solve the problems, the invention provides a grinding device which can quickly reach the optimal stable state in the early treatment stage, and adopts the following technical scheme:

the invention provides intelligent milling equipment, which is used for milling grains and comprises: the milling device is used for milling the grains; and a control device, be used for controlling the process of milling, wherein the device of milling has main cylinder, drive main cylinder pivoted main cylinder actuating mechanism, the abrasive band that is driven by main cylinder, thereby hold cereal and with the abrasive band cooperation realize a plurality of whitening chambers that mill and carry out the discharge mechanism of ejection of compact to the cereal after the whitening chamber is milled, a serial communication port, main cylinder actuating mechanism is the motor, discharge mechanism has the chamber ejection of compact subassembly of milling that is arranged in carrying out the ejection of compact to the material in the whitening chamber, this chamber ejection of compact subassembly of milling has the opening aperture corresponding with different ejection of compact flow, a control device includes: an opening current value storage part for storing different grinding current values and opening openings corresponding to the grinding current values when the main roller driving mechanism drives the main roller to grind; a current setting section for setting a current value to be used in the grinding process as a current set current value; a retrieval acquisition part used for retrieving the opening current value storage part according to the current set current value and acquiring the opening corresponding to the current set current value; and the discharging control part controls the discharging mechanism by taking at least the opening degree as the initial opening degree of the grinding treatment.

The above intelligent milling device provided by the present invention may further have the technical features, wherein the control device further comprises: a picture storage part for storing a current value setting picture; an input display part for displaying a current value setting picture so as to enable an operator to input a current value for grinding treatment, and a grinding current acquisition part for acquiring the current value input by the operator and setting the input current value as the current set current value.

In addition, the above-mentioned intelligent milling device provided by the present invention may further have a technical feature that the control device further comprises: a standard current value storage unit for storing standard milling current values corresponding to different grain varieties; a picture storage part for storing a milling variety selection picture; and an input display unit for displaying a milled variety selection screen and displaying the grain varieties in the standard current storage unit on the milled variety selection screen so as to allow an operator to select one of the grain varieties as a current milled variety, wherein the current setting unit acquires a standard milling current value corresponding to the current milled variety from the standard current storage unit according to the selection of the operator and sets the acquired standard milling current value as a current setting current value.

The intelligent grinding equipment provided by the invention can also have the technical characteristics that the control device further comprises a grinding current value acquisition part which is used for acquiring the current grinding current value in real time according to the working current value of the main roller driving mechanism in the grinding process, and the discharging control part also controls the opening degree of the discharging mechanism in real time according to the magnitude relation between the current grinding current value and the current set current value in the grinding process.

Further, in the above intelligent grinding device, the control device may further include a current recording storage portion and an opening and closing value updating portion, the current recording storage portion is configured to record a current grinding current value and a corresponding opening degree in each grinding process; the opening/closing value updating section updates the stored content of the opening/closing current value storing section based on the record in the current record storing section.

In addition, in the above-mentioned intelligent milling apparatus, the milling current value obtaining part may further include an idle current value storage unit, a current value obtaining unit, and a milling current value calculating unit, the current value obtaining unit obtains a current of the idle start of the main drum driving mechanism as an idle current value, the idle current value storage unit stores the idle current value, the current value obtaining unit obtains a current working current value of the main drum driving mechanism, and the milling current value calculating part subtracts the current working current value from the idle current value to obtain the current milling current value.

The intelligent milling equipment provided by the invention can also have the technical characteristics that the milling cavity discharging component is provided with an outlet part arranged at the lower end in the milling chamber, a rotating plate rotatably arranged in the outlet part and a stirring part capable of pushing the rotating plate to rotate, and the opening degree is the angle between the rotating plate and the outlet part.

Further, among the above-mentioned intelligence equipment of milling, wherein, discharge mechanism can also include ejection of compact adjusting part, thereby has and to promote to dial the carousel that the piece rotated the angle that changes the rotor plate and drive this carousel pivoted driving piece, thereby ejection of compact control portion rotates through control driving piece drive carousel and changes the opening aperture between rotor plate and the export department.

Furthermore, in the above-mentioned intelligent grinding equipment, the driving piece can be the motor, ejection of compact adjusting part still has the coupling and the push rod of connecting driving piece and carousel and sets up proximity switch one and proximity switch two near the carousel, and proximity switch one and proximity switch two's position respectively with the position of rotor plate complete laminating exit portion, rotor plate apart from the position of exit portion farthest, the opening aperture obtains according to proximity switch one and proximity switch two's signal of telecommunication.

In addition, in the intelligent milling equipment provided by the invention, the discharging mechanism can comprise a plurality of discharging valves arranged at the lower end of the whitening chamber, the discharging valves are electric control valves, and the opening degree is the opening angle of the electric control valves.

Action and Effect of the invention

According to the intelligent grinding equipment provided by the invention, because the opening current value storage part stores different grinding currents and corresponding opening degrees, when grains need to be ground under a certain grinding current, the required grinding current can be set as the current set current through the current setting part, and the discharging mechanism is directly controlled to be the corresponding opening degree through the discharging control part, so that the process of repeatedly and automatically adjusting the opening degree to reach the required grinding current before reaching a balanced state is omitted, and the grinding device can work under the required grinding current at the beginning to reach an ideal working state.

Drawings

Fig. 1 is a block diagram of an intelligent milling device according to a first embodiment of the present invention;

fig. 2 is a side view structural diagram of an intelligent milling device according to a first embodiment of the invention;

fig. 3 is a perspective structural view of an intelligent milling device according to a first embodiment of the invention;

FIG. 4 is a top view of a milling apparatus according to a first embodiment of the present invention;

FIG. 5 is a block diagram of a whitening chamber according to a first embodiment of the present invention;

figure 6 is a perspective view of a grinding chamber discharge assembly in accordance with an embodiment of the present invention;

FIG. 7 is a perspective view of the whitening chamber and the discharge adjusting assembly in accordance with the embodiment of the present invention;

FIG. 8 is a sectional structure view of the whitening chamber and the discharging adjustment assembly in a matched state according to the embodiment of the present invention;

fig. 9 is a flowchart illustrating the operation of the intelligent milling device according to the first embodiment of the present invention;

fig. 10 is a block diagram of an intelligent milling device according to a second embodiment of the present invention.

Reference numerals: an intelligent milling apparatus 100; a milling device 10; a frame 11; a base 111; a column 112; a main drum 12; a main cylinder 121; a main drum shaft 122; a tension roller 13; an abrasive belt 14; a whitening chamber 15; a milling chamber 151; a discharge channel 152; a feed port 153; a discharge port 154; a discharge conduit 16; a bran discharge passage 17; a fan 18; a stock bin 2; a main drum driving mechanism 3; a feeding mechanism 4; a discharging mechanism 5; a discharge mount 50; an outlet portion 51; a rotating plate 52; a restoring member 53; a toggle member 54; a turntable 55; the notch 55a; a coupling 56; a driving member 57; a push rod 58; a proximity switch one 59; a second proximity switch 60; a control device 20; an input display unit 21; an opening current value storage unit 22; a standard current value storage unit 23; a screen storage unit 24; a current setting unit 25; a search acquisition unit 26; a grinding current value acquisition unit 27; a comparison determination unit 28; a discharge control unit 29; an operation switch 30; a total control section 31; a current recording storage unit 32; an opening/closing value update unit 33.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

< example one >

The embodiment provides intelligent grinding equipment for grinding grains.

Fig. 1 is a block diagram of an intelligent milling device according to a first embodiment of the present invention, and fig. 2 is a side view of the intelligent milling device according to the first embodiment of the present invention.

As shown in fig. 1 and 2, the intelligent milling apparatus 100 includes a milling device 10 and a control device 20. The milling device 10 comprises a milling mechanism 1, a bin 2, a main roller driving mechanism 3, a feeding mechanism 4 and a discharging mechanism 5. The silo 2 is arranged above the grinding device and is fixed by a support structure such as a support frame or a support column (not shown in the support structure diagram).

Fig. 3 is a perspective view of a milling apparatus according to a first embodiment of the present invention, and the structures below the bin 2 and the platform 200 are omitted in fig. 3.

As shown in fig. 1-3, the grinding mechanism 1 comprises a frame 11, a main drum 12, a tensioning drum 13, a sanding belt 14 and a plurality of whitening chambers 15.

Fig. 4 is a top view of the milling apparatus according to the first embodiment of the present invention, and fig. 4 omits the bin 2, the feeding mechanism 4, and the whitening chamber 15.

As shown in fig. 2 to 4, the frame 11 has a base 111, a pillar 112, and a top cover 113.

The base 111 has a rectangular plate shape and supports the entire milling device 10.

As shown in fig. 2, in the present embodiment, the milling apparatus 10 is disposed on a platform 200 higher than the ground in the production shop, so that the base 111 is placed on the upper surface of the platform 200.

The number of the upright posts 112 is two, each of which is a hollow columnar structure with an approximately rectangular cross section, and the upright posts are arranged on the base 11 and respectively located at two adjacent corner positions of the base 111.

A top cover 113 spans the top ends of the two uprights 112, covering the two uprights 112 (this top cover 113 is not shown in fig. 4).

The main drum 12 includes a main cylinder 121 having a cylindrical shape and a main drum shaft 122. The main cylinder 121 is cylindrical, is arranged at the top of the discharging mounting table 50, extends in the vertical direction, and has an end surface parallel to the horizontal plane.

The main drum shaft 122 is inserted through the axis of the main drum 121 and is fixedly connected to the main drum 12.

In this embodiment, the main roller driving mechanism 3 is a motor with an adjustable rotation speed, and an output end of the main roller driving mechanism is fixedly connected to the main roller shaft 122, and can drive the main roller shaft 122 to rotate, so as to drive the main roller body 21 to rotate.

The tension drum 13 is provided at a position on one side of the main drum 12 with its axis line substantially parallel to the axis line of the main drum 12.

The abrasive belt 14 is sleeved outside the main cylinder 121 of the main roller 12 and the tension roller 13, and the outer surface of the abrasive belt is a rough surface for contacting with grains to grind the grains. In addition, a belt deflection adjusting device can be further disposed at the tensioning roller 13 to prevent the belt from shifting, and the specific structure and working principle thereof can adopt the patent CN 202021909873.1 previously applied by the applicant, which is not described herein again.

As shown in fig. 2 and 3, the feeding mechanism 4 is disposed at the top of the main cylinder 121, has a truncated cone shape with a small top and a large bottom, and has a plurality of feeding passages partitioned by partition plates; the top of the feeding mechanism 4 is connected with the bin 2 through a feeding pipeline, so that the grains in the bin 2 can enter the feeding mechanism 4 and are divided into multiple paths by a feeding path. In this embodiment, a feeding valve (not shown) is provided at a position where the feeding mechanism 4 is connected to the feeding pipe.

A plurality of whitening chambers 15 which are uniformly arranged along the circumferential direction and are close to the abrasive belt 14 are arranged on the outer side of the abrasive belt 14 on the circumferential surface of the main cylinder 121. In this embodiment, the number of the whitening chambers 15 and the number of the feeding paths are 12, and each whitening chamber 15 corresponds to one feeding path.

Fig. 5 is a structural view of a whitening chamber according to a first embodiment of the present invention.

As shown in fig. 5, the whitening chamber 15 is used for containing grains and grinding the grains in cooperation with the abrasive belt 14, and has a grinding chamber 151, a discharge passage 152, a feed inlet 153 and a discharge outlet 154.

The grinding chamber 151 is a channel structure extending in the vertical direction and has three plates connected in series, the cross section of the structure formed by the three plates is trapezoidal, and the longer bottom of the trapezoid is an opening facing the abrasive belt 14, so that the opening can be matched with the abrasive belt 14. The bottom of the milling chamber 151 is the milling opening and the top is the milling chamber inlet.

The discharge channel 152 is provided at the bottom of the grinding chamber 151, and its upper end communicates with the bottom end of the grinding chamber 151. Meanwhile, the discharging channel 152 is obliquely arranged relative to the milling chamber 151, that is, the length direction of the discharging channel 152 and the length direction of the milling chamber 151 form an included angle with each other, and the included angle is an obtuse angle.

The feed port 153 is provided at the top of the grinding chamber 151 with the upper portion communicating with the bottom end of the corresponding feed passage and the lower portion communicating with the top end of the grinding chamber 151.

The discharge port 154 is disposed at the bottom of the discharge channel 152 and is communicated with the bottom end of the discharge channel 152.

In this embodiment, the discharging mechanism 5 is used for discharging the milled grains in the whitening chamber 15, and includes a plurality of milling chamber discharging components, a discharging adjusting component, and a discharging mounting table 50 for accommodating the milling chamber discharging components and the discharging adjusting component. Wherein, ejection of compact mount table 50 sets up on base 111, is the hollow column of the circular arc that the radian is greater than 60 for the cross section, and the quantity of the chamber ejection of compact subassembly of milling is the same with whitening chamber 15, all is 12, and respectively with whitening chamber 15 corresponding.

Figure 6 is a perspective view of a grinding chamber discharge assembly in accordance with an embodiment of the present invention.

As shown in figure 6, in the present embodiment, each milling chamber outfeed assembly comprises an outlet portion 51, a rotating plate 52, a return member 53 and a toggle member 54.

The outlet part 51 is formed in a rectangular frame shape and is provided at a lower end position in the whitening chamber 15, and an upper part thereof is communicated with the grinding chamber 151 and a lower part thereof is communicated with the discharging passage 152.

The rotating plate 52 is a flat plate rotatable about a horizontal axis, and has a rotating end rotatably mounted in the outlet portion 51 and a free end opposite to the rotating end. Specifically, the rotating end is rotatably mounted in the outlet portion 51 at a position near the inner wall by a pin.

The return member 53 is a torsion spring mounted on the pin of the rotating plate 52, which provides the rotating plate 52 with a spring force that urges the rotating plate 52 against the outlet portion 51.

The toggle member 54 is disposed below the rotating plate 52 on a side close to the rotating end, and the toggle member 54 can contact with the lower surface of the rotating plate 52 and push the rotating plate 72 to rotate in a direction close to the edge of the outlet portion 51.

Fig. 7 is a perspective view of the whitening chamber and the discharge adjustment assembly in accordance with the embodiment of the present invention, and fig. 7 shows a state in which one of the whitening chambers 15 is engaged with the discharge adjustment assembly. FIG. 8 is a sectional view of the whitening chamber and the discharging adjustment assembly in a matched state in the embodiment of the invention.

As shown in fig. 7 and 8, the discharging adjustment assembly comprises a rotating disc 55, a coupling 56, a push rod 58, a first proximity switch 59, a second proximity switch 60 and a driving element 57.

The turntable 55 is mounted at the bottom of the main drum 12 with its axis coinciding with the axis of the main drum 121. The edge of the dial 55 is provided with a plurality of notches 55a, and each notch 55a corresponds to the position of the dial 54 and is fitted with the dial 54.

When the rotary disc 55 rotates clockwise or counterclockwise, the toggle piece 54 can be pushed to move to the left or right in fig. 9, so as to increase or decrease the angle formed between the rotating plate 52 and the outlet portion 51, and increase or decrease the opening formed therebetween, so that the flow rate of grain flowing out from the whitening chamber 151 is increased or decreased. Namely, the function of adjusting the discharge flow rate can be achieved.

A coupling 56 is fixedly coupled to the bottom of the turntable 55 and extends downwardly from the bottom surface of the turntable 55.

A push rod 58 is disposed at one side of the coupling 56 and connected to the coupling 56, and the push rod 58 can push the coupling 56 to swing in the horizontal direction, so as to drive the rotating disc 55 to rotate clockwise or counterclockwise in the horizontal plane.

The driving member 57 is a motor, electrically connected to the control device 20, and can be controlled by the control device 20 to drive the push rod 58 to move, and further drive the coupling 56 to move. Specifically, a stepping motor may be employed to constitute the driving member 57.

The first proximity switch 59 is arranged below the rotating disc 55, corresponds to the position of the coupling 56 when the rotating plate 52 is completely attached to the outlet part 51 (i.e. the opening between the rotating plate and the coupling is closed), and can sense the distance between the coupling 56 and the first proximity switch and generate a corresponding electric signal. Since the opening between the rotating plate 52 and the outlet portion 51 actually forms an opening for the flow of the grains out of the grinding chamber 151, the opening formed between the rotating plate 52 and the outlet portion 51 will be referred to as a grinding opening hereinafter for the convenience of description.

The proximity switch two 60 is disposed below the rotary disc 55 corresponding to the position of the coupling 56 when the rotating plate 52 is farthest from the outlet 51 (i.e. the milling opening is fully opened), and is capable of sensing the distance between the coupling and the coupling 56 and generating a corresponding electric signal.

That is, the positions of the first proximity switch 59 and the second proximity switch 60 correspond to the starting point and the ending point of the stroke of the rotating plate 52 from the complete closing to the complete opening, and the current position of the coupling 56 and the rotation degree of the rotating disc 55 can be analyzed and judged according to the electric signals of the two, so as to obtain the opening and closing degree of the milling opening and perform feedback control according to the opening and closing degree. The opening degree of the milling opening is hereinafter referred to as the opening degree, which is obtained by integrating the signals of the first proximity switch 59 and the second proximity switch 60, and can be expressed as a percentage between the current stroke of the rotating plate 52 and the stroke of the rotating plate 52 in the fully opened state.

The discharge mounting table 50 is provided therein with a plurality of discharge passages (not shown) 12, which are circumferentially distributed and correspond to the respective whitening chambers 15. Each discharge passage is approximately tubular and has an upper end communicating with the lower end of the outlet portion 51, so that the grains in the whitening chamber 151 can flow downwardly through the outlet portion 51 into the discharge passage. The discharging pipe 16 is further arranged below the discharging mounting table 50, and the lower end of each discharging channel is communicated with the discharging pipe 16, so that the milled grains in the whitening chamber 15 can be converged into the discharging pipe 16 and then flow out through the discharging pipe 16.

As shown in fig. 1, the control device 20 includes an input display unit 21, an opening current value storage unit 22, a standard current value storage unit 23, a screen storage unit 24, a current setting unit 25, a search acquisition unit 26, a milling current value acquisition unit 27, a comparison determination unit 28, a discharge control unit 29, an operation switch 30, and a general control unit 31.

The input display unit 21 is a touch display screen for human-computer interaction operation by an operator.

The opening current value storage unit 22 stores different grinding current values and opening openings corresponding to the respective grinding current values when the main drum driving mechanism 3 drives the main drum to perform the grinding process.

In the milling device 10 of the present embodiment, after the main drum driving mechanism 3 drives the main drum 12 to rotate, the main drum 12 further drives the abrasive belt 14 to move to mill the grains in each whitening chamber 15, during the process, the real-time operating current of the main drum driving mechanism 3, especially the operating current (i.e. milling current) value after removing the idle current portion, can accurately reflect the load condition during the milling operation, and the load condition corresponds to the milling degree of the grains, therefore, the milling current value can be directly used as the index for determining the milling degree of the grains. In addition, the opening degree of the discharging mechanism 5 is related to the discharging flow rate of the grains under the condition that other conditions are not changed, and the discharging flow rate of the grains determines the actual retention time of the grains in the whitening chamber 15 and accordingly determines the actual grinding degree of the grains, so that the opening degree is in positive correlation with the grinding current value; due to the difference between the actual component conditions and the actual working environments of the respective milling devices 10, such a positive correlation is not completely consistent, and the corresponding relationship between different milling current values and different opening degrees can be obtained in a manner of pre-testing at the factory. The opening degree current value storage unit 22 stores such different milling current values in association with the opening degrees, and for example, when the milling current value is 5V, the corresponding opening degree is 60%, and the current value of "5V" is stored in association with the opening degree of "60%".

The standard current value storage unit 23 stores different types of grinding materials and corresponding standard current values. In particular, the milled varieties include a plurality of grain varieties as well as different grain varieties corresponding to the same grain variety. For example, the milled varieties may include glutinous rice, indica rice, japonica rice, brown rice, wheat, and the like; the standard current value is an optimal grinding current value corresponding to each grinding variety, and the corresponding optimal grinding current value can be obtained by using the intelligent grinding equipment 100 of the present embodiment to perform actual tests on different grinding varieties, and then recorded and stored when the equipment is shipped from a factory.

The screen storage unit 24 stores human-computer interaction screens for displaying the input display unit 21, including a current value setting screen, a milling type selection screen, and a milling state display screen. The current value setting screen is used for allowing a user to input a set current value required by the current grinding, and the set current value can be obtained by an operator according to experience in the actual use process. The milling grade selection screen is used to display the milling grade stored in the standard current value storage section 24 so as to allow the operator to select the current milling grade that needs to be milled. The milling state display picture is used for displaying information such as the current milling current value and the like in the milling process. The screen storage unit 24 may store one operation selection screen for allowing the operator to select the operation for setting the current value or selecting the milling variety at the time of power-on, and the input display unit 21 may display the current value setting screen or the milling variety selection screen after the operator selects the operation.

The current setting section 25 is used to set a milling current value used in the milling process, i.e., a current set current value. The current set current value is mainly used at the initial stage of the milling process. Specifically, at the beginning of milling, the inlet valve of the inlet means 4 is opened to allow the grains to flow into and fill the respective whitening chambers 15; then, the main roller driving mechanism 3 is operated to initially grind the grains charged into the respective whitening chambers 15, and then the discharge mechanism 5 opens a certain grinding opening (i.e., initial opening) to discharge the initially ground grains. The current set current value is used for enabling the main roller driving mechanism 3 to work under the current set current value in the initial grinding process, and the initial opening degree of the initial opening of the discharging mechanism 5 is also carried out according to the current set current value.

In the present embodiment, the current setting unit 25 sets the current setting current value in two ways: when an operator directly inputs a current value through a current setting picture, directly setting the input current value as a current setting current value; when the operator selects the mill product through the mill product selection screen, the standard current value retrieved by the retrieval obtaining unit 26 is set as the current set current value.

The search acquisition unit 26 is used to search and acquire the opening degree and the standard current value. The method specifically comprises the following steps: after the operator selects the milling variety through the milling variety selection screen, the standard current value storage unit 23 is searched to obtain the standard current value corresponding to the selected milling variety; after the current setting current value is set in the current setting unit 25, the opening current value storage unit 22 is searched to obtain the opening corresponding to the current setting current value.

The grinding current value acquisition section 27 includes a current value acquisition unit 271, a no-load current value storage unit 272, and a grinding current value calculation unit 273.

Wherein, the present current value obtaining unit 271 is configured to obtain the present operating current value of the main drum driving mechanism 3 during the operation. In the present embodiment, the present current value acquiring unit 271 is provided in the inverter of the motor constituting the main drum driving mechanism 3, thereby directly acquiring the present operating current value.

The idle current value storage unit 272 stores an idle current value. In this embodiment, the idle current value storage unit 272 is a temporary storage unit, after the apparatus is powered on, the main drum driving mechanism 3 is operated for a short time (for example, 3s to 5 s) before the initial milling starts (i.e., before the feeding valve is opened), which is equivalent to operating in an idle state without grains for a short time, the current operating current value (which may be an average value of the current operating current value in the period) of the main drum driving mechanism 3 acquired by the current value acquisition unit 271 in this period is an idle current value, and the idle current value storage unit 272 temporarily stores the idle current value.

The milling current value calculating unit 273 is used for calculating the milling current value. Specifically, the milling current value calculating unit 273 subtracts the idle current value stored in the idle current value storage unit 272 from the current working current value obtained by the current value obtaining unit 271 at different times during the milling process, i.e., obtains the current milling current value at different times.

The comparison determination part 28 is used for comparing and determining the current milling current value and the current set current value, so as to obtain whether the current milling current value is greater than, less than or equal to the current set current value. Here, the judgment criterion of the equality may be approximately equal to, for example, the present milling current value is considered to be equal to within ± 5% of the present set current value.

The discharge control unit 29 controls the opening of the discharge mechanism 5 to change the discharge flow rate. That is, the discharge control unit 29 controls the operation of the driving member 57 so that the driving member 57 rotates the turntable 55 via the coupling 56 and the push rod 58, and the dial member 54 moves accordingly to change the angle between the rotating plate 52 and the outlet portion 51, thereby changing the opening degree and thus changing the discharge flow rate of each whitening chamber 15. In the present embodiment, the control operation of the discharge control unit 29 includes a control operation at the end of initial grinding and a control operation during grinding.

Wherein, the control action at the end of the initial grinding is as follows: after the initial grinding is finished, the discharge control unit 29 controls the initial opening degree of the discharge mechanism 5 after the initial grinding is finished to the opening degree corresponding to the current set current value acquired by the search acquisition unit 26, and in a normal case, once the initial opening degree is reached, the grinding current correspondingly reaches the corresponding grinding current (for example, the current value set by the operator or the standard current value acquired by the search acquisition unit 26), so that the grinding device 10 can operate in an optimal state after the initial grinding is finished.

The control action in the grinding process is as follows: when the comparison judgment part 27 judges that the current milling current value is smaller than the standard current value, the discharging control part 29 controls the discharging mechanism 5 to reduce the opening degree; when the comparison determination unit 27 determines that the current milling current value is larger than the standard current value, the discharge control unit 29 controls the discharge mechanism 5 to increase the opening degree.

The run switch 30 is used to allow the operator to press to begin the milling process. For example, when the operator inputs the grain into the hopper 2 (for example, inputs the grain into the hopper 2 by another device such as a grain elevator) after the current value is set by the current setting screen input or the milled product is selected by the milled product selection screen, the operator may operate the operation switch 30 again to start the operation of the device. The operation switch 30 may be specifically a physical button switch, or may be a virtual display switch provided in the input display unit 21; when the operator presses the physical button switch or clicks the virtual display switch, an operation start signal is generated accordingly. Similarly, during the milling operation, when the operator presses the physical button switch or clicks the virtual display switch, an operation stop signal is generated accordingly.

The overall control unit 31 is used for performing coordinated control on the operations of the components in the control device 20 and controlling the operations of the main drum driving mechanism 3 and the feed valve, and may be an industrial personal computer or a control chip, etc. installed with a predetermined control program. In addition, in this embodiment, an infrared sensor is further disposed at the feeding valve for sensing whether there is any grain in the hopper 2, when the grain is sensed, it indicates that there is any grain in the hopper 2 and the grain still flows into each whitening chamber 15 through the feeding valve, and when the grain is not sensed, it indicates that there is no grain in the hopper 2, and the milling process can be ended.

The operation of the intelligent milling apparatus 100 of the present embodiment is explained below with reference to the accompanying drawings.

Fig. 9 is a flowchart illustrating the operation of the intelligent milling device according to the first embodiment of the present invention. As shown in fig. 9, when a batch of grains needs to be milled, the intelligent milling apparatus 100 of the present embodiment has the following operation flow.

In step S1, the input display unit 21 displays an operation selection screen to allow the operator to select a current setting operation or a milling type selection operation, and when the operator selects the current setting operation, the process proceeds to step S2, and when the operator selects the milling type selection operation, the process proceeds to step S3.

In step S2, the input display unit 21 displays a current setting operation screen to allow the operator to input the milling current to be set, and the process proceeds to step S4 after the operator finishes the input.

In step S3, the input display unit 21 displays a milling variety selection screen to allow the operator to select a milling variety to be milled, and the process proceeds to step S5 after the operator selects the milling variety.

In step S4, the current setting unit 25 sets the current value input by the operator as the current set current value, and the process proceeds to step S7.

In step S5, the search acquisition unit 26 searches the standard current value storage unit 23 for the standard current value corresponding to the selected mill product based on the selection result of the operator, and the process proceeds to step S6.

In step S6, the current setting unit 25 sets the standard current value retrieved by the retrieval unit 26 in step S5 as the current set current value, and then the process proceeds to step S7.

In step S7, the search acquiring unit 26 searches the opening current value storage unit 22 for the opening corresponding to the current set current value, and the process proceeds to step S8.

In step S8, the general control unit 31 determines whether or not an operation start signal is received, and controls the feed valve to open when the operation start signal is received, so that the grains enter each whitening chamber 15 from the hopper 2, and then the process goes to step S9.

In step S9, the main control unit 31 controls the main roller driving mechanism 3 to start working, so that the main roller driving mechanism 3 drives the main roller 12 to rotate and drives the abrasive belt 14 to move, thereby initially grinding the grains in the whitening chamber 15, and then the step S10 is performed.

In step S10, after determining whether the predetermined initial milling time (10S in this embodiment) has been continuously reached, the flow proceeds to step S11 if yes.

In step S11, the discharge control unit 29 controls the discharge mechanism 5 to open the grinding opening according to the opening degree retrieved by the retrieval obtaining unit 25 in step S7, and then the process proceeds to step S12.

In step S12, the grinding current value obtaining section 27 obtains the current grinding current value of the main drum driving mechanism 3 in real time, and then proceeds to step S13.

In step S13, the comparison determination portion 28 determines the magnitude relationship between the current grinding current value and the current setting current value, and when the current grinding current value is greater than the current setting current value, the step S14 is performed, when the current grinding current value is less than the current setting current value, the step S15 is performed, and when the current grinding current value is equal to the current setting current value, the step S16 is performed.

In step S14, the discharge control unit 29 controls the discharge mechanism 5 to increase the opening degree, and then the process returns to step S12.

In step S15, the discharge control unit 29 controls the discharge mechanism 5 to decrease the opening degree, and then returns to step S12.

In step S16, the general control part 31 determines whether the operation should be stopped, that is, once the operation stop signal from the operation switch 30 is received or the infrared sensor at the feed valve does not sense the grain, the operation should be stopped, and then the process goes to step S17.

In step S17, the master control unit 31 controls the milling device 20 to enter a stop operation stage, which includes: controlling the discharging mechanism 5 to be closed, controlling the main roller driving mechanism 3 to continuously run for 5s and then stop running (which is equivalent to fully grinding the grains at the end stage), controlling the discharging mechanism 5 to adjust the opening degree to the maximum degree so that all the grains in the whitening chamber 15 can flow out, and then entering the ending state.

Effects and effects of the embodiments

According to the intelligent milling equipment provided by the embodiment, because the opening current value storage part stores different milling currents and corresponding opening degrees, when grains need to be milled under a certain milling current, the required milling current can be set as the current set current through the current setting part, and the discharging mechanism is directly controlled to be the corresponding opening degree through the discharging control part, so that the process of repeatedly and automatically adjusting the opening degree in order to reach the required milling current before reaching a balance state is omitted, the milling device can work under the required milling current at the beginning, and an ideal working state is reached.

In the embodiment, since the standard current value storage section stores different types of mill products and their corresponding standard current values, even if the operator does not know how to set the current values, the search acquisition section may retrieve and acquire the corresponding standard current values from the standard current storage section by selecting the types of mill products, and the current value setting section may directly set the retrieved standard current values as the current set current values.

In addition, after a period of use, as the grinding time of the abrasive belt increases, performance changes occur, and there may be a case where a grinding variety with no standard current value is recorded during grinding, and therefore the standard current value may not be suitable for the current grinding process. In this embodiment, because the current value setting screen is provided, an operator can manually adjust the milling current value according to the recent actual operation condition of the device and then directly input the milling current value, so the intelligent milling device of this embodiment is not only suitable for a scene of automatically acquiring the set current value, but also suitable for a scene of directly setting the milling current value as required by the operator.

In the embodiment, the grinding current value acquisition part can acquire the actual grinding current value in the grinding process in real time, the comparison judgment part can judge the relation between the grinding current value and the current set current value, and the discharge control part can correspondingly adjust the opening degree of the discharge mechanism according to the judgment result, so that the actual grinding current value can be stabilized at the current set current value in the grinding process, and grains can be ground in an ideal state in the whole process.

Furthermore, because discharge mechanism has adopted carousel and has dialled a complex form, consequently can realize that a carousel just drives in step a plurality of pieces of dialling, lets the opening of milling of each whitening chamber can the synchronization adjustment, can prevent to appear adjusting the condition inconsistent, the inhomogeneous quality between each whitening chamber.

< modification example one >

This modification is a modification of the first embodiment.

The intelligent grinding apparatus 100 of the present modification has the same configuration as the intelligent grinding apparatus 100 of the first embodiment, except that the opening degree current value storage unit 22 stores the opening degree and the corresponding grinding current value, and also stores the corresponding grinding type. For example, in the test process of milling the brown rice, when the milling current value is 5V, the corresponding opening degree is 60%, and the current value of "5V" is stored corresponding to the opening degree of "60%" and the milled variety of "brown rice"; for another example, in the process of performing a milling test on japonica rice, when the milling current value is 5V, the corresponding opening degree is 55%, and the current value of "5V" is stored in correspondence with the opening degree of "55%" and the milled variety of "japonica rice".

Accordingly, when the search acquiring unit 25 searches for the opening corresponding to the current set current value, it is also necessary to search for the opening corresponding to the current milled item based on the current milled item, that is, the opening corresponding to the milled item and the current milled item, where the milled current value is the same as the current set current value. Specifically, when the operator selects the mill variety through the mill variety selection screen, the current mill variety is the selected mill variety; when the operator inputs the set current value through the current setting screen, the input display part can display a milling variety selection area in the current setting screen so as to enable the operator to select the current milling variety.

< example II >

In this embodiment, the same components as those in the first embodiment are given the same reference numerals and the same description thereof is omitted.

Fig. 10 is a block diagram of an intelligent milling device according to a second embodiment of the present invention.

As shown in fig. 10, the intelligent milling device 300 of the present embodiment is different from the first embodiment mainly in that the control device 20 further includes a current recording storage unit 32 and an opening/closing value updating unit 33.

The current recording storage unit 32 is used for storing and recording the actual milling current and the corresponding opening degree in each milling process. Specifically, each time the comparison and determination unit 28 determines that the current milling current value is not equal to the current set current value and the discharge control unit 29 performs a corresponding adjustment, the comparison and determination unit 28 determines that the current milling current value is equal to the current set current value again, which indicates that the opening degree after the adjustment can reach the corresponding milling current value. At this time, the overall control unit 31 controls the current recording and storing unit 32 to store the adjusted opening degree and the actual milling current value in association with each other.

The opening/closing value update unit 33 is configured to further narrow the content stored in the opening/closing current value storage unit 22 based on the record in the current recording/storing unit 32. Specifically, as the usage time of the entire apparatus increases, the correspondence relationship between the opening degree and the milling current value that can be caused by the opening degree changes slightly, and the opening and closing value updating section 33 updates the opening degree values corresponding to the milling current values in the opening degree current value storage section 22 to the average value of the opening degrees after the adjustment of the last several times, based on the adjusted opening degrees and the milling current values in the last several times of milling processes stored in the current record storage section 32. The updating process of the opening/closing value updating unit 33 may be performed after each grinding operation is completed or before each grinding operation is started, so that the discharge control unit 29 may control the discharge mechanism 5 by using the updated opening degree for the next grinding operation or during the next grinding operation.

In this embodiment, the current recording storage unit 32 is used to record the actual milling current and the corresponding opening during each milling process, and the opening value updating unit 33 is used to update the opening value corresponding to the milling current, so that even if the hardware state of the device changes, the initial opening of the discharging mechanism 5 after the initial milling can be ensured to generate the required milling current, thereby achieving the ideal milling effect.

< modification example two >

The second modification is a modification of the second embodiment.

The intelligent grinding apparatus 300 of the present modification has the same configuration as the intelligent grinding apparatus 300 of the second embodiment, except that the opening degree current value storage unit 22 stores the opening degree and the corresponding grinding current value, and also stores the corresponding grinding type. That is, the configuration of the data stored in the opening current value storage unit 22 in the present modification is the same as that in the first modification. Meanwhile, the process of acquiring the opening degree value by the search acquisition unit 25 is also the same as in the first modification, and will not be described again.

The above embodiments are intended to illustrate the scope of the present invention, but the scope of the present invention is not limited to the scope described in the above embodiments.

For example, in the first and second embodiments, the rotating disc is matched with the stirring member, and the driving member drives the rotating disc to rotate so as to drive the stirring member to move and change the angle of the rotating plate, thereby changing the angle of the grinding opening to adjust the discharging flow rate. In the invention, the discharging component of the milling cavity can be simplified into a single electric control valve (namely, the angle of the rotating plate is changed directly by combining the stepping motor and the transmission component), so that the discharging adjusting component can be cancelled, and the processing control part directly sends corresponding electric signals to each electric control valve simultaneously so as to change the angle of the electric control valve, namely change the opening degree of the opening. Meanwhile, in the structure, the opening degree can also be expressed by percentage of the opening angle of the electric control valve in different opening states and in a full opening state.

In the first and second embodiments, the comparison determination portion determines that the current milling current value is approximately equal to the standard current value, and the standard current value is a constant value. In the present invention, the standard current value may also be directly stored in the form of a numerical range, and the range is not limited to ± 5%, and may be a larger or smaller range.

In addition, as an alternative to the update method of the opening degree value update unit in the second embodiment, the opening degree value update unit may use an average value of opening degree values corresponding to the same milling current value in the last several milling processes as the opening degree value corresponding to the milling current value. As an alternative to the current recording and storing unit in the second embodiment, the current recording and storing unit may record the current milling current value and the opening degree value at intervals during the milling process.

Claims (10)

1. An intelligent milling apparatus for milling grain, comprising:

a milling device for milling the grain; and a control device for controlling the milling process, wherein the milling device is provided with a main roller, a main roller driving mechanism for driving the main roller to rotate, an abrasive belt driven by the main roller, a plurality of whitening chambers for accommodating the grains and matching with the abrasive belt so as to realize milling, and a discharging mechanism for discharging the grains milled in the whitening chambers,

it is characterized in that the preparation method is characterized in that,

the main roller driving mechanism is a motor,

the discharging mechanism is provided with a grinding cavity discharging component for discharging the materials in the whitening chamber, the grinding cavity discharging component is provided with opening degrees corresponding to different discharging flow rates,

the control device includes:

an opening current value storage unit for storing different grinding current values and the opening openings corresponding to the respective grinding current values when the main drum driving mechanism drives the main drum to perform grinding processing;

a current setting section for setting a current value to be used in the grinding process as a current set current value;

a retrieval obtaining part, configured to retrieve the opening current value storage part according to the current set current value, and obtain the opening corresponding to the current set current value;

and the discharging control part controls the discharging mechanism by taking the opening degree as the initial opening degree of the grinding treatment.

2. The intelligent milling apparatus of claim 1, wherein:

wherein the control device further comprises:

a picture storage part for storing a current value setting picture;

an input display part for displaying the current value setting picture so as to allow an operator to input a current value for performing a milling process,

the milling current obtaining part obtains the current value input by the operator and sets the input current value as the current set current value.

3. The intelligent milling apparatus of claim 1, wherein:

wherein the control device further comprises:

a standard current value storage unit for storing different grain varieties and standard milling current values corresponding to the respective grain varieties;

a picture storage part for storing a milling variety selection picture;

an input display part for displaying the milling variety selection picture and displaying the grain varieties in the standard current storage part in the milling variety selection picture so as to allow an operator to select one as a current milling variety,

the current setting part acquires the standard grinding current value corresponding to the current grinding variety from the standard current storage part according to the selection of the operator, and sets the acquired standard grinding current value as the current set current value.

4. The intelligent milling apparatus of claim 1, wherein:

wherein, the control device also comprises a grinding current value acquisition part which is used for acquiring the current grinding current value in real time according to the working current value of the main roller driving mechanism in the grinding process,

the discharging control part is used for controlling the opening degree of the discharging mechanism in real time according to the magnitude relation between the current grinding current value and the current set current value in the grinding process.

5. The intelligent milling apparatus of claim 4, wherein:

wherein the control device also comprises a current recording storage part and an opening and closing value updating part,

the current recording storage part is used for recording the current grinding current value and the corresponding opening degree in each grinding process;

the opening and closing value updating part is used for updating the storage content of the opening degree current value storage part according to the record in the current record storage part.

6. The intelligent milling apparatus of claim 4, wherein:

wherein the milling current value acquiring part comprises a no-load current value storage unit, a current value acquiring unit and a milling current value calculating unit,

the current value obtaining unit obtains the current of no-load starting of the main roller driving mechanism as a no-load current value,

the no-load current value storage unit stores the no-load current value,

the current value obtaining unit obtains a current working current value of the main roller driving mechanism,

the grinding current value calculation part subtracts the current working current value and the no-load current value to obtain the current grinding current value.

7. The intelligent milling apparatus of claim 1, wherein:

wherein the milling cavity discharging component is provided with an outlet part arranged at the lower end in the milling chamber, a rotating plate rotatably arranged in the outlet part and a stirring part capable of pushing the rotating plate to rotate,

the opening degree is an angle between the rotating plate and the outlet portion.

8. The intelligent milling apparatus of claim 7, wherein:

wherein the discharging mechanism also comprises a discharging adjusting component which is provided with a turntable and a driving piece, the turntable can push the stirring piece to rotate so as to change the angle of the rotating plate, the driving piece drives the turntable to rotate,

the discharging control part controls the driving part to drive the turntable to rotate so as to change the opening degree between the rotating plate and the outlet part.

9. The intelligent milling apparatus of claim 8, wherein:

wherein the driving part is a motor,

the discharging adjusting component is also provided with a coupling and a push rod which are connected with the driving piece and the rotary disc, and a proximity switch I and a proximity switch II which are arranged near the rotary disc,

the positions of the proximity switch I and the proximity switch II respectively correspond to the position where the rotating plate is completely attached to the outlet part and the position where the rotating plate is farthest away from the outlet part,

the opening degree is obtained according to electric signals of the first proximity switch and the second proximity switch.

10. The intelligent milling apparatus of claim 1, wherein:

wherein the discharging mechanism comprises a plurality of discharging valves arranged at the lower end of the whitening chamber, the discharging valves are electric control valves,

the opening degree is the opening angle of the electric control valve.

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