CN111099283A - Positioning blanking system and method of raw material rotary belt conveyor - Google Patents
Positioning blanking system and method of raw material rotary belt conveyor Download PDFInfo
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- CN111099283A CN111099283A CN201911417210.XA CN201911417210A CN111099283A CN 111099283 A CN111099283 A CN 111099283A CN 201911417210 A CN201911417210 A CN 201911417210A CN 111099283 A CN111099283 A CN 111099283A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
Abstract
The invention provides a positioning blanking system and a method of a raw material rotary belt conveyor, which relate to the technical field of raw material blanking control and comprise the following steps: the blanking platform is circumferentially provided with an annular rotating track, and a plurality of bins are arranged on the outer side of the rotating track; one end of the rotary belt conveyor is fixed at the circle center position of the rotary track through a supporting rotating shaft, and the other end of the rotary belt conveyor is driven by a driving motor to rotate along the rotary track so as to convey the raw materials to the feeding hole of each bin; the rotary position sensor is linked with the support rotating shaft and is provided with a plurality of gears corresponding to the bins, the corresponding gears are triggered when the rotary belt conveyor rotates to the bin position, and a sensing signal containing a preset gear number of the gears is output; and the control module is used for controlling the driving motor to drive the rotary belt conveyor to rotate to the position corresponding to the target bin along the rotary track according to the sensing signal, the total number of the bins of the bin and the bin number of the target bin. The invention has the advantages of accurate blanking control, low cost, stability and high efficiency.
Description
Technical Field
The invention relates to the technical field of raw material blanking control, in particular to a positioning blanking system and a positioning blanking method of a raw material rotary belt conveyor.
Background
In a raw material system, accurate weighing and batching are the premise for producing high-quality glass, and accurate and stable blanking control is the guarantee of weighing and batching. The traditional shifting rod limit switch or proximity switch control position is commonly used to current unloading rotary belt conveyor, and shifting rod limit switch is very easily damaged because of mechanical reason, and proximity switch all seriously influences the efficiency of unloading control because can receive metal dust to influence difficult long-time stable positioning. Meanwhile, the product price and the later maintenance cost are fully considered by the adopted control element.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a control system for positioning and discharging of a raw material rotary belt conveyor, which specifically comprises the following steps:
the blanking device comprises a blanking platform, wherein an annular rotating track is circumferentially arranged on the blanking platform, a plurality of bins are arranged on the outer side of the rotating track, and bin numbers are arranged on each bin according to a preset sequence;
one end of the rotary belt conveyor is fixed at the circle center position of the rotary track through a supporting rotating shaft, and the other end of the rotary belt conveyor is driven by a driving motor to rotate along the rotary track so as to convey the raw materials to the feeding hole of each bin;
the rotary position sensor is linked with the supporting rotating shaft, is provided with a plurality of gears corresponding to the bins, and is used for triggering the corresponding gears when the rotary belt conveyor rotates to the bin positions and outputting a sensing signal containing a preset gear number of the gears;
and the control module is respectively connected with the driving motor and the rotary position sensor and used for controlling the driving motor to drive the rotary belt conveyor to rotate to the position corresponding to the target bin along the rotary track according to the sensing signal, the total number of the bins and the bin number of the target bin.
Preferably, an included angle between each gear of the rotational position sensor corresponds to an included angle between each bin.
Preferably, the control module specifically includes:
the data storage unit is used for storing a corresponding relation table between the bin numbers and the preset gear numbers and the total number of the bins;
the data receiving unit is used for receiving and outputting an external blanking instruction containing a target bin number of a target bin;
the data processing unit is respectively connected with the data storage unit and the data receiving unit and used for retrieving in the corresponding relation table according to the preset gear number contained in the blanking instruction and the sensing signal to obtain the stock bin number where the rotary belt conveyor is located currently and recording the stock bin number as the current stock bin number;
and the data control unit is respectively connected with the data storage unit and the data processing unit and used for generating corresponding control instructions according to the total number of the bins, the target bin number and the current bin number and controlling the driving motor to drive the rotary belt conveyor to rotate to the position corresponding to the target bin along the rotary track.
Preferably, the control module further comprises a human-computer interaction unit connected to the data receiving unit and used for an operator to input the blanking instruction.
A control method for positioning and blanking of a raw material rotary belt conveyor is applied to any one of the control systems for positioning and blanking of the raw material rotary belt conveyor, and a corresponding relation table between each bin number and each preset gear number is pre-stored in the control system;
the control method specifically comprises the following steps:
step S1, the control system receives an external blanking instruction containing a target bin number of a target bin;
step S2, the control system searches in the corresponding relation table according to the blanking instruction and the preset gear number contained in the sensing signal to obtain the bin number where the rotary belt conveyor is currently located and record the bin number as the current bin number;
and step S3, the control system generates a corresponding control instruction according to the total number of the bins, the target bin number and the current bin number, and controls the driving motor to drive the rotary belt conveyor to rotate to a position corresponding to the target bin along the rotary track.
Preferably, the preset sequence is that the bin numbers corresponding to the bins are continuously arranged from small to large along the counterclockwise direction of the rotating track.
Preferably, the step S3 specifically includes:
step S31, the control system subtracts the current bin number from the target bin number to obtain a difference value between the target bin number and the current bin number and a numerical sign associated with the difference value;
step S32, the control system determines according to the numerical value symbol:
if the numerical value symbol is positive, go to step S33;
if the numerical value sign is negative, go to step S36;
step S33, the control system compares the corresponding difference value with a preset difference threshold value:
if the difference is not less than the difference threshold, go to step S34;
if the difference is less than the difference threshold, then go to step S35;
step S34, the control system generates a corresponding first control instruction, controls the driving motor to drive the rotating belt conveyor to rotate along the rotating track to a position corresponding to the target bin, and then exits;
step S35, the control system generates a corresponding second control instruction, controls the driving motor to drive the rotating belt conveyor to rotate along the rotating track to a position corresponding to the target bin, and then exits;
step S36, the control system compares the corresponding difference value with a preset difference threshold value:
if the difference is not smaller than the difference threshold, returning to the step S35;
if the difference is smaller than the difference threshold, the process returns to step S34.
Preferably, the step S34 specifically includes:
step S341, the control system generates a corresponding first control instruction to control the driving motor to drive the rotating belt conveyor to rotate clockwise along the rotating track;
step S342, the control system detects in real time whether a first sensing signal including the preset gear number corresponding to the target bin number of the target bin is received or not in the process that the rotary belt conveyor rotates clockwise, and controls the driving motor to stop when the first sensing signal is received, and the rotary belt conveyor stops at the target bin and conveys the raw material to the feed port of the target bin;
preferably, the step S35 specifically includes:
step S351, the control system generates a corresponding second control instruction to control the driving motor to drive the rotary belt conveyor to rotate along the rotary track anticlockwise;
step S352, the control system detects whether a second sensing signal including the preset gear number corresponding to the target bin number of the target bin is received in real time during the counterclockwise rotation of the rotary belt conveyor, and controls the driving motor to stop when the second sensing signal is received, and the rotary belt conveyor stops at the target bin and conveys the raw material to the target bin.
Preferably, the difference threshold is obtained by processing according to the following formula:
wherein N' is used to represent the difference threshold and N is used to represent the total number of bins.
The technical scheme has the following advantages or beneficial effects:
1) the position of the bin can be accurately identified, and the rotary belt conveyor can be controlled to accurately align to the feed opening of the target bin through the shortest path, so that the method is stable and efficient;
2) the rotary position sensor is provided with the feed opening of the position principle bin, so that the rotary position sensor is not influenced by dust, is not easy to damage, and has long maintenance period and low cost.
Drawings
FIG. 1 is a top view of a blanking platform according to a preferred embodiment of the present invention;
FIG. 2 is a side view of a rotating belt conveyor in a preferred embodiment of the invention;
FIG. 3 is a schematic diagram illustrating the arrangement of the gears of the rotational position sensor according to the preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a control system for positioning and discharging a material rotating belt conveyor according to a preferred embodiment of the present invention;
FIG. 5 is a flow chart illustrating a method for controlling the positioning and feeding of a material rotating belt conveyor according to a preferred embodiment of the present invention;
FIG. 6 is a sub-flowchart of a method for controlling the positioning and feeding of a material rotating belt conveyor according to a preferred embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a control system controlling the clockwise rotation of the rotary belt conveyor according to the preferred embodiment of the present invention;
FIG. 8 is a schematic flow chart of the control system controlling the counterclockwise rotation of the rotary belt conveyor according to the preferred embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In a preferred embodiment of the present invention, based on the above problems in the prior art, there is provided a control system for positioning and discharging of a material rotating belt conveyor, as shown in fig. 1 to 4, specifically comprising:
the blanking device comprises a blanking platform 1, wherein an annular rotating track 2 is circumferentially arranged on the blanking platform 1, a plurality of bins 3 are arranged on the outer side of the rotating track 2, and bin numbers are arranged on each bin 3 according to a preset sequence;
one end of the rotary belt conveyor 4 is fixed at the circle center position of the rotary rail 2 through a supporting rotating shaft 5, and the other end of the rotary belt conveyor 4 is driven by a driving motor 6 to rotate along the rotary rail 2 so as to convey the raw materials to the feeding hole of each bin;
the rotary position sensor 7 is linked with the support rotating shaft 5, is provided with a plurality of gears 71 corresponding to the bins 3, and is used for triggering the corresponding gears 71 when the rotary belt conveyor 4 rotates to the positions of the bins 3 and outputting a sensing signal containing a preset gear number of the gears 71;
and the control module 8 is respectively connected with the driving motor 6 and the rotary position sensor 7 and used for controlling the driving motor 6 to drive the rotary belt conveyor 4 to rotate to the position corresponding to the target bin along the rotary track 2 according to the sensing signal, the total number of the bins of the bin and the bin number of the target bin.
Specifically, in this embodiment, the control module 8 is preferably a PLC controller, and performs precise positioning and blanking by controlling the rotating belt conveyor. According to the invention, the bin is positioned by adopting the rotary position sensor 7, the gear number of the rotary position sensor 7 is consistent with the number of the bins, and the rotary belt conveyor 4 is aligned with the feed opening of the bins when the rotary position sensor 7 sends a signal due to the installation angle. Through the difference between the target bin number and the current bin number, the PLC controller can control the rotary belt conveyor 4 to rotate clockwise or anticlockwise so as to reach the blanking port of the designated bin 3 through the shortest path. The rotary position sensor 7 is preferably an XCKMR rotary limit switch, is low in cost, stable and efficient in control, and suitable for the situation that the total number of the bins is more than or equal to two, and the rotary belt conveyor 4 is adopted to position blanking.
More specifically, the number of the gear positions of the rotational position sensor 7 is determined based on the total number of the bins. And the included angle between the adjacent gears is equal to the included angle between the circle center position of the rotating track 2 where the supporting rotating shaft 5 is located and the connecting line of the central points of the feed openings of the feed bins 3, and the included angle between the adjacent gears is consistent with the included angle between the adjacent feed bins. And the rotating position sensor 7 is fixedly arranged at the circle center position of the rotating track 2 where the supporting rotating shaft 5 is positioned, so that a corresponding sensing signal is triggered when the axial direction of the rotating belt conveyor 4 is aligned with the central point of the feed opening.
More specifically, the driving motor 6 is preferably a traveling reduction motor, and more preferably, the driving motor 6 is configured to drive the rotary belt conveyor 4 to rotate in the clockwise direction of the rotary rail 2 when the driving motor 6 rotates in the normal direction, and to drive the rotary belt conveyor 4 to rotate in the counterclockwise direction of the rotary rail 2 when the driving motor 6 rotates in the reverse direction. The preset bin numbers of the bins 3 are preferably arranged in a continuous manner from small to large in the counterclockwise direction. Setting the number of a target bin of the target bin as n, and setting the number of the current bin of the bin 3 corresponding to the current position of the rotary belt conveyor 4 as n0When n > n0And n0When the absolute value of the difference between the two is not less than a number difference threshold, controlling the driving motor 6 to rotate forward to drive the rotary belt conveyor 4 to rotate clockwise along the rotary track 2 to a target bin number n of the target bin and stop; when n > n0And n0When the absolute value of the difference between the two is smaller than a number difference threshold, controlling the driving motor 6 to rotate reversely to drive the rotary belt conveyor 4 to rotate anticlockwise along the rotary track 2 to a target bin number n of the target bin and stop; when n < n0And n0When the absolute value of the difference between the two is not less than a number difference threshold, controlling the driving motor 6 to rotate reversely to drive the rotary belt conveyor 4 to rotate anticlockwise along the rotary track 2 to a target bin number n of the target bin and stop; when n < n0And n0When the absolute value of the difference between the two is smaller than a serial number difference threshold value, the driving motor 6 is controlled to rotate forwards to drive the rotary belt conveyor 4 to rotate clockwise along the rotary track 2 to the target storage binStops at the target bin number n. The target bin number n is the current bin number n in the next operation process0And the process is repeated to realize accurate control of blanking.
In a preferred embodiment of the present invention, the preset bin numbers corresponding to the bins 3 are arranged in a continuous manner from small to large along the counterclockwise direction of the rotating track 2.
In the preferred embodiment of the invention, the angle between the gears of the rotary position sensor 7 corresponds to the angle between the silos 3.
In a preferred embodiment of the present invention, the control module 8 specifically includes:
the data storage unit 81 is used for storing a corresponding relation table between each bin number and each preset gear number and the total number of the bins of the bin;
the data receiving unit 82 is used for receiving and outputting an external blanking instruction containing a target bin number of a target bin;
the data processing unit 83 is respectively connected with the data storage unit 81 and the data receiving unit 82, and is used for searching in the corresponding relation table according to preset gear numbers contained in the blanking instruction and the sensing signal to obtain a bin number where the rotary belt conveyor 4 is located currently and recording the bin number as the current bin number;
and the data control unit 84 is respectively connected with the data storage unit 81 and the data processing unit 83, and is configured to generate a corresponding control instruction according to the total number of the bins, the target bin number and the current bin number, and control the driving motor 6 to drive the rotary belt conveyor 4 to rotate to a position corresponding to the target bin along the rotary track 2.
In the preferred embodiment of the present invention, the control module 8 further includes a human-computer interaction unit 85 connected to the data receiving unit 82 for the operator to input the blanking command.
A control method for positioning and blanking of a raw material rotary belt conveyor is applied to any one control system for positioning and blanking of the raw material rotary belt conveyor, and a corresponding relation table between each bin number and each preset gear number is pre-stored in the control system;
as shown in fig. 5, the control method specifically includes the following steps:
step S1, the control system receives an external blanking instruction containing the target bin number of the target bin;
step S2, the control system searches in the corresponding relation table according to preset gear numbers contained in the blanking instruction and the sensing signal to obtain the bin number of the rotary belt conveyor and record the bin number as the current bin number;
and step S3, the control system generates a corresponding control instruction according to the total number of the bins, the target bin number and the current bin number, and controls the driving motor to drive the rotary belt conveyor to rotate to the position corresponding to the target bin along the rotary track.
In a preferred embodiment of the present invention, the preset sequence is that the bin numbers corresponding to the bins are arranged in a sequence from small to large along the counterclockwise direction of the rotating track.
In a preferred embodiment of the present invention, as shown in fig. 6, step S3 specifically includes:
step S31, the control system subtracts the current bin number from the target bin number to obtain the difference value between the target bin number and the current bin number and the numerical value symbol related to the difference value;
step S32, the control system makes a judgment according to the numerical sign:
if the numerical value is positive, go to step S33;
if the sign of the numerical value is negative, go to step S36;
step S33, the control system compares the corresponding difference with a preset difference threshold:
if the difference is not less than the difference threshold, go to step S34;
if the difference is less than the difference threshold, then go to step S35;
step S34, the control system generates a corresponding first control instruction, controls the driving motor to drive the rotary belt conveyor to rotate to a position corresponding to the target bin along the rotary track, and then quits;
step S35, the control system generates a corresponding second control instruction, controls the driving motor to drive the rotary belt conveyor to rotate to a position corresponding to the target bin along the rotary track, and then quits;
step S36, the control system compares the corresponding difference with a preset difference threshold:
if the difference is not less than the difference threshold, returning to step S35;
if the difference is smaller than the difference threshold, the process returns to step S34.
In a preferred embodiment of the present invention, as shown in fig. 7, step S34 specifically includes:
step S341, the control system generates a corresponding first control instruction to control the driving motor to drive the rotary belt conveyor to rotate clockwise along the rotary track;
step S342, the control system detects in real time whether a first sensing signal containing a preset gear number corresponding to the target bin number of the target bin is received in the process that the rotary belt conveyor rotates clockwise, and controls the driving motor to stop when the first sensing signal is received, and the rotary belt conveyor stops at the target bin and conveys the raw material to the feed inlet of the target bin.
In a preferred embodiment of the present invention, as shown in fig. 8, step S35 specifically includes:
step S351, the control system generates a corresponding second control instruction to control the driving motor to drive the rotary belt conveyor to rotate anticlockwise along the rotary track;
step S352, the control system detects whether a second sensing signal including a preset gear number corresponding to the target bin number of the target bin is received in real time during the counterclockwise rotation of the rotary belt conveyor, and controls the driving motor to stop when the second sensing signal is received, and the rotary belt conveyor stops at the target bin and conveys the raw material to the target bin.
In a preferred embodiment of the present invention, the difference threshold is obtained by processing according to the following formula:
wherein, N' is used for representing the difference threshold value, and N is used for representing the total number of bins.
In a preferred embodiment of the present invention, as shown in fig. 1 to 3, the control system and method for positioning and discharging the raw material rotating belt conveyor of the present invention are applied to a discharging platform 1 having 4 bins. First, a rotary position sensor 7 having four shift stages 71 is selected according to the total number of bins 4. The blanking platform 1 is used as a coordinate system, each stock bin 3 is arranged on a 45-degree extension line of each quadrant of the blanking platform 1, and the included angle between four gears 71 of the corresponding rotary position sensor 7 is 90 degrees.
Corresponding to the position of the feed opening of the silo in fig. 1, the rotating position sensor 7 is horizontally rotated by 45 degrees and installed at a rotating central point, that is, the position of the center of the rotating track 2 where the supporting rotating shaft 5 is located, so that the rotating belt conveyor 4 triggers a sensing signal of the rotating position sensor 7 when pointing to the feed opening of the corresponding silo 3.
By adjusting the wiring sequence of the traveling reduction motor of the rotary belt conveyor 4, it is determined that the rotary belt conveyor 4 rotates clockwise when the PLC controller gives a forward rotation instruction, and that the rotary belt conveyor 4 rotates counterclockwise when the PLC controller gives a reverse rotation instruction.
The preset bin numbers of the bins are respectively ①, ②, ③ and ④, and the total number N of the bins is 4.
The target bin number of the target bin is set to be ①, namely n is 1, the current position of the rotary belt conveyor 4 is assumed to be ④, namely n 04. Since n < n0And the judgment condition of the following formula 1 is met, so the PLC controls the traveling speed reduction motor of the rotary belt conveyor 4 to rotate reversely, the conveyor rotates anticlockwise along the rotary track, the conveyor stops when running to the feed opening of the bin No. ①, and the conveyor reaches the feed opening of the target bin, and the subsequent feeding operation can be carried out.
If the target bin is set to ③, that is, n is equal to 3, the current position of the rotary belt conveyor 4 is the position of the target bin,i.e. the feed opening of bin No. ①, n 01. Since n > n0And the judgment condition of the formula 1 is met, so that the PLC controls the traveling speed reducing motor of the conveyor to rotate forwards, the conveyor rotates clockwise along the rotating track, stops at the discharge opening of the bin No. ③ and reaches the discharge opening of the target bin, and the subsequent discharging operation can be carried out.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a control system of rotatory belt conveyor location unloading of raw materials which characterized in that specifically includes:
the blanking device comprises a blanking platform, wherein an annular rotating track is circumferentially arranged on the blanking platform, a plurality of bins are arranged on the outer side of the rotating track, and bin numbers are arranged on each bin according to a preset sequence;
one end of the rotary belt conveyor is fixed at the circle center position of the rotary track through a supporting rotating shaft, and the other end of the rotary belt conveyor is driven by a driving motor to rotate along the rotary track so as to convey the raw materials to the feeding hole of each bin;
the rotary position sensor is linked with the supporting rotating shaft, is provided with a plurality of gears corresponding to the bins, and is used for triggering the corresponding gears when the rotary belt conveyor rotates to the bin positions and outputting a sensing signal containing a preset gear number of the gears;
and the control module is respectively connected with the driving motor and the rotary position sensor and used for controlling the driving motor to drive the rotary belt conveyor to rotate to the position corresponding to the target bin along the rotary track according to the sensing signal, the total number of the bins and the bin number of the target bin.
2. The system for controlling positioning and discharging of a raw material rotary belt conveyor according to claim 1, wherein an included angle between each gear of the rotary position sensor corresponds to an included angle between each bin.
3. The control system for positioning and discharging of the raw material rotary belt conveyor according to claim 1, wherein the control module specifically comprises:
the data storage unit is used for storing a corresponding relation table between the bin numbers and the preset gear numbers and the total number of the bins;
the data receiving unit is used for receiving and outputting an external blanking instruction containing a target bin number of a target bin;
the data processing unit is respectively connected with the data storage unit and the data receiving unit and used for retrieving in the corresponding relation table according to the preset gear number contained in the blanking instruction and the sensing signal to obtain the stock bin number where the rotary belt conveyor is located currently and recording the stock bin number as the current stock bin number;
and the data control unit is respectively connected with the data storage unit and the data processing unit and used for generating corresponding control instructions according to the total number of the bins, the target bin number and the current bin number and controlling the driving motor to drive the rotary belt conveyor to rotate to the position corresponding to the target bin along the rotary track.
4. The system for controlling positioning and discharging of a material rotating belt conveyor according to claim 3, wherein the control module further comprises a human-machine interaction unit connected to the data receiving unit for an operator to input the discharging instruction.
5. A control method for positioning and blanking of a raw material rotary belt conveyor is characterized by being applied to the control system for positioning and blanking of the raw material rotary belt conveyor as claimed in any one of claims 1 to 4, wherein a corresponding relation table between each bin number and each preset gear number is prestored in the control system;
the control method specifically comprises the following steps:
step S1, the control system receives an external blanking instruction containing a target bin number of a target bin;
step S2, the control system searches in the corresponding relation table according to the blanking instruction and the preset gear number contained in the sensing signal to obtain the bin number where the rotary belt conveyor is currently located and record the bin number as the current bin number;
and step S3, the control system generates a corresponding control instruction according to the total number of the bins, the target bin number and the current bin number, and controls the driving motor to drive the rotary belt conveyor to rotate to a position corresponding to the target bin along the rotary track.
6. The method for controlling positioning blanking of the raw material rotary belt conveyor according to claim 5, wherein the preset sequence is that the numbers of the bins corresponding to the bins are arranged in a sequence from small to large along the counterclockwise direction of the rotary track.
7. The method for controlling positioning and discharging of a raw material rotary belt conveyor according to claim 6, wherein the step S3 specifically includes:
step S31, the control system subtracts the current bin number from the target bin number to obtain a difference value between the target bin number and the current bin number and a numerical sign associated with the difference value;
step S32, the control system determines according to the numerical value symbol:
if the numerical value symbol is positive, go to step S33;
if the numerical value sign is negative, go to step S36;
step S33, the control system compares the corresponding difference value with a preset difference threshold value:
if the difference is not less than the difference threshold, go to step S34;
if the difference is less than the difference threshold, then go to step S35;
step S34, the control system generates a corresponding first control instruction, controls the driving motor to drive the rotating belt conveyor to rotate along the rotating track to a position corresponding to the target bin, and then exits;
step S35, the control system generates a corresponding second control instruction, controls the driving motor to drive the rotating belt conveyor to rotate along the rotating track to a position corresponding to the target bin, and then exits;
step S36, the control system compares the corresponding difference value with a preset difference threshold value:
if the difference is not smaller than the difference threshold, returning to the step S35;
if the difference is smaller than the difference threshold, the process returns to step S34.
8. The method for controlling positioning and discharging of a raw material rotary belt conveyor according to claim 7, wherein the step S34 specifically includes:
step S341, the control system generates a corresponding first control instruction to control the driving motor to drive the rotating belt conveyor to rotate clockwise along the rotating track;
step S342, the control system detects in real time whether a first sensing signal containing the preset gear number corresponding to the target bin number of the target bin is received in the process that the rotary belt conveyor rotates clockwise, and controls the driving motor to stop when receiving the first sensing signal, and the rotary belt conveyor stops at the target bin and conveys the raw material to the feed inlet of the target bin.
9. The method for controlling positioning and discharging of a raw material rotary belt conveyor according to claim 7, wherein the step S35 specifically includes:
step S351, the control system generates a corresponding second control instruction to control the driving motor to drive the rotary belt conveyor to rotate along the rotary track anticlockwise;
step S352, the control system detects whether a second sensing signal including the preset gear number corresponding to the target bin number of the target bin is received in real time during the counterclockwise rotation of the rotary belt conveyor, and controls the driving motor to stop when the second sensing signal is received, and the rotary belt conveyor stops at the target bin and conveys the raw material to the target bin.
10. The system for controlling positioning blanking of a rotary belt conveyor for raw materials as claimed in claim 5, wherein said difference threshold is obtained by processing according to the following formula:
wherein N' is used to represent the difference threshold and N is used to represent the total number of bins.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112591484A (en) * | 2020-12-14 | 2021-04-02 | 江西和美陶瓷有限公司 | Uniform powder feeding device and feeding method thereof |
| CN114100492A (en) * | 2021-10-18 | 2022-03-01 | 唐山钢铁集团微尔自动化有限公司 | Control method for synchronous alignment of material flow points of sintering multi-row batching bins |
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| CN114100492B (en) * | 2021-10-18 | 2023-08-25 | 唐山钢铁集团微尔自动化有限公司 | Control method for synchronous alignment of material flow points of sintering multi-row proportioning bins |
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