CN220773451U - Automatic control system for mixing material field - Google Patents
Automatic control system for mixing material field Download PDFInfo
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- CN220773451U CN220773451U CN202322569169.6U CN202322569169U CN220773451U CN 220773451 U CN220773451 U CN 220773451U CN 202322569169 U CN202322569169 U CN 202322569169U CN 220773451 U CN220773451 U CN 220773451U
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- 238000002156 mixing Methods 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model belongs to the field of mixing material field control, and particularly discloses an automatic mixing material field control system, which comprises a bin and a control mechanism, wherein a feeder is arranged below each bin, a discharge hole of each bin is connected with a feed hole of the feeder, an automatic vibrator is arranged at the discharge hole of the feeder, an electronic belt scale is arranged below the discharge hole of the feeder, a first conveying belt conveyor is arranged below the electronic belt scale, discharge ends of all the electronic belt scales are positioned above the first conveying belt conveyor, a mixing machine is arranged at the discharge end of the first conveying belt conveyor, a second conveying belt conveyor is arranged below the discharge hole of the mixing machine, and a discharge bin is arranged at the discharge end of the second conveying belt conveyor; the feeder, the electronic belt scale, the automatic vibrator, the first conveying belt conveyor, the second conveying belt conveyor and the mixing machine are all electrically connected with the control mechanism. The utility model can realize full-automatic control of the mixing material field, improves the mixing efficiency and saves the labor cost. The utility model is suitable for mixing materials and evenly mixing.
Description
Technical Field
The utility model belongs to the field of mixing material field control, and particularly relates to an automatic mixing material field control system.
Background
In the industries of food, steel, petroleum and the like, a batching link plays an important role, and the quality of a batching process directly influences the quality of a product.
Chinese patent publication No. CN102519566B, dosing control system, discloses a dosing control system comprising: the device comprises an adjustable speed disc batching scale positioned at the outlet of the last ore tank along the material flow direction, a disc feeder positioned at the outlet of other similar ore tanks, a batching large belt positioned under the adjustable speed disc batching scale and the disc feeder, and a metering scale arranged on the batching large belt, wherein the metering scale is positioned between the last ore tank and the other similar ore tanks along the material flow direction. The batching control system in this patent can't realize mixing the full automatic control of stock ground, and the high humidity of viscidity powder material is difficult for dropping from the ore deposit groove exit, appears the condition of putty easily.
Disclosure of Invention
The utility model aims to provide an automatic control system for a mixing material field, so as to realize full-automatic control of the mixing material field, improve mixing efficiency, save labor cost and avoid the condition of material blockage.
The technical method adopted by the utility model for achieving the purpose is as follows:
the automatic control system for the mixing material field comprises a plurality of bins and a control mechanism, wherein the bins and the control mechanism are arranged side by side, a feeder is arranged below each bin, a discharge hole of each bin is connected with a feed inlet of the feeder, an automatic vibrator is arranged at the discharge hole of the feeder, an electronic belt scale is arranged below the discharge hole of the feeder, a first conveying belt conveyor is arranged below the electronic belt scale, discharge ends of all the electronic belt scales are located above the first conveying belt conveyor, a mixing machine is arranged at the discharge end of the first conveying belt conveyor, a second conveying belt conveyor is arranged below the discharge hole of the mixing machine, and a discharge bin is arranged at the discharge end of the second conveying belt conveyor; the feeder, the electronic belt scale, the automatic vibrator, the first conveying belt conveyor, the second conveying belt conveyor and the mixing machine are all electrically connected with the control mechanism.
As a limitation: a material level gauge is arranged in the discharging bin and is electrically connected with the control mechanism.
As a limitation: the system also comprises a frequency converter, and the control mechanism is electrically connected with the feeder through the frequency converter.
As a limitation: the system also comprises an alarm, and the control mechanism is electrically connected with the alarm.
As a limitation: the system also comprises a first scram switch and a second scram switch, wherein the first scram switch is electrically connected with the control mechanism, and controls the feeder, the electronic belt scale, the automatic vibrator, the first conveying belt conveyor, the second conveying belt conveyor and the mixing machine to stop running through the control mechanism; the second scram switch is electrically connected with the control mechanism, and the second scram switch controls the feeder, the electronic belt scale, the automatic vibrator and the first conveying belt conveyor to stop running through the control mechanism.
As a further definition: the control mechanism comprises a PLC controller and an upper computer for inputting control instructions and control parameters into the PLC controller, the PLC controller is electrically connected with an electric control device in the system, and the PLC controller is electrically connected with the upper computer.
By adopting the scheme, compared with the prior art, the utility model has the following beneficial effects:
according to the automatic control system for the mixing material field, provided by the utility model, the full-automatic control of the mixing material field is realized by arranging the storage bin, the feeder, the electronic belt scale, the first conveying belt conveyor, the mixing machine, the second conveying belt conveyor and the control mechanism, so that the mixing efficiency is improved, and the labor cost is saved; by arranging the automatic vibrator at the discharge port of the feeder, the blanking of materials is facilitated, and the condition of blocking is avoided; the material level gauge is arranged in the discharging bin, so that the automatic control equipment is stopped after the discharging bin is full; the frequency converter is arranged, and the control mechanism adjusts the frequency converter through a PID control method so as to control the feeders, so that the feeding amount of each feeder is at a set value, and the closed-loop automatic control function is realized; by arranging the alarm, when the system fails or is abnormal, the alarm reminding is carried out, so that operation and maintenance personnel can conveniently maintain the system; by setting the first emergency stop switch and the second emergency stop switch, the emergency stop operation of the system is convenient when an emergency occurs; the control mechanism comprises a PLC controller and an upper computer, and a control instruction and a control parameter are input into the PLC controller through the upper computer, so that full-automatic control of the mixing plant is realized.
The utility model is suitable for mixing materials and evenly mixing.
Drawings
The utility model will be described in more detail below with reference to the accompanying drawings and specific examples.
FIG. 1 is a block diagram of an automatic control system for a mixing plant according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a system for controlling a mixing plant according to an embodiment of the present utility model;
in the figure: 1. a feeder; 2. an automatic vibrator; 3. an electronic belt scale; 4. a first conveyor belt; 5. a mixing machine; 6. a second conveyor belt; 7. a discharging bin; 8. a level gauge.
Detailed Description
The utility model is further described below in connection with the embodiments, but it will be understood by those skilled in the art that the utility model is not limited to the following embodiments, and any modifications and equivalent changes based on the specific embodiments of the utility model are within the scope of the claims.
Embodiment an automatic control system for a mixing material field
The automatic control system of the mixing material field comprises a plurality of feed bins, a control mechanism, a first scram switch, a second scram switch and an alarm which are arranged side by side, wherein a feeder 1 is arranged below each feed bin, a discharge port of each feed bin is connected with a feed inlet of the feeder 1, an automatic vibrator 2 is arranged at the discharge port of the feeder 1, an electronic belt scale 3 is arranged below the discharge port of the feeder 1, a first conveying belt conveyor 4 is arranged below the electronic belt scale 3, discharge ends of all the electronic belt scales 3 are arranged above the first conveying belt conveyor 4, a mixing machine 5 is arranged at the discharge end of the first conveying belt conveyor 4, a second conveying belt conveyor 6 is arranged below the discharge port of the mixing machine 5, a discharge bin 7 is arranged at the discharge end of the second conveying belt conveyor 6, and a material level meter 8 is arranged in the discharge bin 7; the control mechanism comprises a PLC controller and an upper computer for inputting control instructions and control parameters into the PLC controller, wherein the feeder 1 is electrically connected with the PLC controller through a frequency converter, the electronic belt scale 3, the automatic vibrator 2, the first conveying belt conveyor 4, the second conveying belt conveyor 6, the mixing machine 5, the material level meter 8, the first scram switch, the second scram switch and the alarm are electrically connected with the PLC controller, the first scram switch controls the feeder 1, the electronic belt scale 3, the automatic vibrator 2, the first conveying belt conveyor 4, the second conveying belt conveyor 6 and the mixing machine 5 to stop running through the control mechanism, and the second scram switch controls the feeder 1, the electronic belt scale 3, the automatic vibrator 2 and the first conveying belt conveyor 4 to stop running through the PLC controller; the PLC is electrically connected with the upper computer, the control mode of the upper computer comprises a manual control mode, an automatic control mode and a maintenance mode, and each electric control device in the system is independently managed in the manual control mode, can be started to run or stop by a single machine and is limited by a safety interlocking program arranged in the PLC; each electric control device in the system in the automatic control mode automatically controls according to an automatic control program set in a PLC controller, and the PLC controller adjusts a frequency converter through a PID control method so as to control the feeder 1, so that the feeding amount of the feeder 1 is a set value; each electric control device in the system is independently managed in the maintenance mode, can be started to operate or stop singly, and is not limited by a safety interlocking program arranged in the PLC.
The PID control method comprises the following steps:
set Y r For the set value of the blanking amount per second of the feeder 1, Y is the actual value of the blanking amount per second of the feeder 1, e=y r Y is the blanking deviation of the feeder 1 per second, and if the PID control output is u (t)
Wherein k is p 、T i 、T d Respectively proportional coefficient, integral time constant and differential time constant, by adjusting k p 、T i 、T d The PID control output can be changed to obtain good control effect.
In the embodiment, a PLC controller adopts Siemens 300PLC, a feeder 1 adopts a disc feeder 1, a mixer 5 adopts a stirrer, a level gauge 8 adopts a rotation-resisting level gauge 8, and an alarm is an audible and visual alarm; in this embodiment, the number of feeders 1 and electronic belt scales 3 is 10.
When the automatic control system of the blending material field works, an operator can select a control mode of an upper computer according to the needs, when the operator selects a manual mode, the feeder 1, the electronic belt scale 3, the automatic vibrator 2, the first conveyor belt 4, the second conveyor belt 6 and the blending machine 5 are independently managed, can be started and run or stopped singly, and are limited by a safety interlocking program set in the PLC controller, the feeder 1 cannot be started when the electronic belt scale 3 is not started, the electronic belt scale 3 cannot be started when the first conveyor belt 4 is not started, the first conveyor belt 4 cannot be started when the blending machine 5 is not started, and the blending machine 5 cannot be started when the second conveyor belt 6 is not started; when an operator selects an overhaul mode, the feeder 1, the electronic belt scale 3, the automatic vibrator 2, the first conveying belt conveyor 4, the second conveying belt conveyor 6 and the mixing machine 5 are independently managed, can be started to run or stop singly, and are not limited by a safety interlocking program arranged in the PLC; when an operator selects an automatic control mode, all the equipment performs self-checking, whether fault signals of the equipment are triggered or not is checked, if the fault signals are triggered, the PLC controller controls the alarm to perform fault alarm, and if the fault signals are not triggered, the PLC controller controls the second conveyor belt 6 to start for 30 seconds; after the motor frequency of the second conveyor belt machine 6 is larger than 45Hz, the PLC controller controls the mixing machine 5 and the first conveyor belt machine 4 to start for 20s; after the motor frequency of the first conveying belt conveyor 4 is larger than 45Hz, starting the No. 1 feeder 1 and the corresponding electronic belt scale 3, and starting the No. 2 feeder 1 and the corresponding electronic belt scale 3 at intervals of 3s until all the feeders 1 and the corresponding electronic belt scales 3 are started; the method comprises the steps that materials in a bin enter a feeder 1, the feeder 1 is fed to an electronic belt scale 3 for weighing, when the feeding amount fed back to a PLC (programmable logic controller) by the feeder 1 is smaller than a set feeding amount, the PLC increases the frequency of the feeder 1, if the feeding amount of the feeder 1 is still smaller than the set feeding amount after the frequency of the feeder 1 is larger than 45Hz, the PLC controls an automatic vibrator 2 to start, and if the feeding amount of the feeder 1 is still smaller than the set feeding amount, the PLC controls an alarm to perform empty alarm; the materials are conveyed to a first conveying belt conveyor 4 through an electronic belt scale 3, conveyed to a mixing machine 5 through the first conveying belt conveyor 4 and uniformly mixed, and conveyed to a discharging bin 7 through a second conveying belt conveyor 6; when the material level meter 8 detects that the discharging bin 7 is full, the PLC controls the alarm to carry out full warning, controls the No. 1 feeder 1 to stop, controls the corresponding electronic belt scale 3 to stop at intervals of 3s, controls the No. 2 feeder 1 to stop at intervals of 1s, controls the corresponding electronic belt scale 3 to stop at intervals of 3s, and so on until the No. 10 feeder 1 and the corresponding electronic belt scale 3 stop, then waits for 5s to control the first conveyor 4 to stop, and then waits for 40s to control the mixing machine 5 and the second conveyor 6 to stop; when emergency stop equipment is needed, the first emergency stop switch is started to control the feeder 1, the electronic belt scale 3, the automatic vibrator 2, the first conveying belt conveyor 4, the second conveying belt conveyor 6 and the mixing machine 5 to stop running, and the second emergency stop switch is started to control the feeder 1, the electronic belt scale 3, the automatic vibrator 2 and the first conveying belt conveyor 4 to stop running.
Claims (6)
1. The automatic control system for the mixing material field comprises a plurality of feed bins which are arranged side by side, and is characterized by further comprising a control mechanism, wherein a feeder is arranged below each feed bin, a discharge port of each feed bin is connected with a feed port of the feeder, an automatic vibrator is arranged at the discharge port of the feeder, an electronic belt scale is arranged below the discharge port of the feeder, a first conveying belt conveyor is arranged below the electronic belt scale, discharge ends of all the electronic belt scales are all positioned above the first conveying belt conveyor, a mixing machine is arranged at the discharge end of the first conveying belt conveyor, a second conveying belt conveyor is arranged below the discharge port of the mixing machine, and a discharging bin is arranged at the discharge end of the second conveying belt conveyor; the feeder, the electronic belt scale, the automatic vibrator, the first conveying belt conveyor, the second conveying belt conveyor and the mixing machine are all electrically connected with the control mechanism.
2. The automatic control system of a mixing yard according to claim 1, wherein a level gauge is disposed in the unloading bin, and the level gauge is electrically connected with the control mechanism.
3. The automated blending yard control system of claim 1, further comprising a frequency converter, wherein the control mechanism is electrically coupled to the feeder via the frequency converter.
4. The automated blending yard control system of claim 1, further comprising an alarm, wherein the control mechanism is electrically coupled to the alarm.
5. The automatic blending yard control system of claim 1, further comprising a first scram switch and a second scram switch, the first scram switch electrically connected to the control mechanism, the first scram switch controlling the feeder, the electronic belt scale, the automatic vibrator, the first conveyor belt, the second conveyor belt and the blending machine to stop operating via the control mechanism; the second scram switch is electrically connected with the control mechanism, and the second scram switch controls the feeder, the electronic belt scale, the automatic vibrator and the first conveying belt conveyor to stop running through the control mechanism.
6. The automatic control system of a mixing plant according to any one of claims 1 to 5, wherein the control mechanism comprises a PLC controller and an upper computer for inputting control instructions and control parameters into the PLC controller, the PLC controller is electrically connected to an electronic control device in the system, and the PLC controller is electrically connected to the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322569169.6U CN220773451U (en) | 2023-09-21 | 2023-09-21 | Automatic control system for mixing material field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322569169.6U CN220773451U (en) | 2023-09-21 | 2023-09-21 | Automatic control system for mixing material field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220773451U true CN220773451U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322569169.6U Active CN220773451U (en) | 2023-09-21 | 2023-09-21 | Automatic control system for mixing material field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220773451U (en) |
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2023
- 2023-09-21 CN CN202322569169.6U patent/CN220773451U/en active Active
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