CN109909063B - Four-station intelligent iron removal device with metal detector - Google Patents
Four-station intelligent iron removal device with metal detector Download PDFInfo
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- CN109909063B CN109909063B CN201910231057.5A CN201910231057A CN109909063B CN 109909063 B CN109909063 B CN 109909063B CN 201910231057 A CN201910231057 A CN 201910231057A CN 109909063 B CN109909063 B CN 109909063B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 99
- 239000002184 metal Substances 0.000 title claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000007480 spreading Effects 0.000 claims description 69
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Control Of Conveyors (AREA)
Abstract
A four-station intelligent iron removing device with a metal detector belongs to the technical field of iron removing equipment, and relates to an intelligent iron removing device before ore crushing, comprising the metal detector, a control device and a four-station iron remover; the metal detector is located at the position, close to the material, of the upper part of the belt conveyor, the four-station iron remover is supported above the discharging part of the belt conveyor through the supporting frame, targeted fixed-point iron removal can be achieved, power consumption is reduced, the problem that iron is broken through a cone can be avoided, and the service life of equipment is guaranteed.
Description
Technical Field
The invention belongs to the technical field of iron removal equipment, and relates to an intelligent iron removal device before ore crushing.
Background
In the working process of the semi-autogenous mill, small-particle-size steel balls in the mill are continuously discharged along with the stubborn stones, the steel balls are distributed on the stubborn stone conveying belt sporadically, and the steel balls are separated from the steel balls more. The cone crusher is widely applied to the stubborn stone crushing of the SABC grinding process, and is required to ensure that waste steel balls, an excavator and loader bucket teeth are not mixed in ore feeding in order to protect the normal operation of the cone crusher equipment. At the present stage, a hanging type iron removal trolley is mainly used for removing iron from stubborn stones which are crushed and fed. The proportion of magnetite in the ore grinding stubborn stones is larger, and a large amount of magnetite ores are separated together by adopting the iron removal trolley although steel balls or bucket teeth mixed in the stubborn stones can be removed, so that a large amount of magnetite ores are needed to be sorted manually, the labor intensity of operators is increased, meanwhile, the iron removal trolley operates continuously for 24 hours, huge energy consumption is generated, and the production aims of energy conservation and consumption reduction of companies are violated.
Disclosure of Invention
In order to solve the problems, the invention provides the four-station intelligent iron removing device with the metal detector, which can realize targeted fixed-point iron removal, reduce power consumption, avoid the problem that the cone breaks iron and ensure the service life of equipment.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A four-station intelligent iron removing device with a metal detector comprises a metal detector 6, a control device 8 and a four-station iron remover 9; the metal detector 6 is positioned at the position, close to the material, of the middle upper part of the belt conveyor 7, and the four-station iron remover 9 is supported above the discharging part 1 of the belt conveyor 7 through the support frame 2; the control device 8 is connected with the metal detector 6 and the four-station iron remover 9 through data signals to form an interlocking control loop; the four-station iron remover 9 comprises a cross-shaped spreading arm 4, a stepping motor 3, a rotating frame 10 and an electromagnet 5; the electromagnet 5 is respectively arranged at the tail ends of the spreading arms of the cross spreading arms 4, the intersection of the cross spreading arms 4 is opposite to the belt of the belt conveyor 7, one spreading arm of the cross spreading arms 4 is vertical to the belt, the other spreading arm is parallel to the belt, the intersection of the spreading arms is fixed on the rotating frame 10 and is driven to rotate by the stepping motor 3, the rotating frame 10 is provided with contact brushes, the contact brushes are distributed in the area right above the projection of the belt of the rotating frame 10, and the rest areas are not provided with the brushes, namely, when the spreading arms are parallel to the belt, the spreading contacts of the arms are connected with the brushes, so that the spreading arms are in a connection state with the control device 8, and when the spreading arms are vertical to the belt, the spreading contacts of the arms are not contacted with the brushes, so that the spreading arms are in a disconnection state with the control device; the control device 8 is internally provided with a PLC control module and comprises a relay A and a relay B, and the control device 8 receives signals transmitted by the metal detector 6 and respectively controls the start-stop action of the four-station iron remover 9 and the rotation of the stepping motor 3 through the relay A and the relay B.
Further: the data signal connection is a wired data connection or a wireless data connection.
Further: and a metal recovery barrel 11 is arranged right below the electromagnet at the tail end of the arm which is perpendicular to the belt.
The utility model provides a take metal detector's intelligent deironing device of quadruplex position deironing method, the built-in PLC of controlling means 8 sets up as follows:
control setting for the metal detector 6 and the four-station iron remover 9: when the metal detector 6 detects that the iron blocks or alloy steel are contained in the materials conveyed by the belt conveyor 7, a signal is transmitted to the control device 8, a PLC program in the control device 8 controls the relay A to delay to be electrified, the four-station iron remover 9 is started to continuously work for 20-40 seconds, and the four-station iron remover 9 stops in a standby state to wait for the next signal processing after absorbing the iron blocks or alloy steel in the materials; the time for the relay A to be started in a delayed manner=the distance between the metal detector and the iron remover 9 on the cross-shaped expanding arm 4, which is close to the end of the metal detector 6, and the belt speed;
Control settings for the stepper motor 3: when the four-station iron remover 9 sucks iron blocks or alloy steel in the materials and stops entering a standby state, the control device 8 controls the relay B to be electrified through the PLC, and the stepping motor 3 is started to work; and the step motor 3 is controlled by the PLC program to stop after rotating for 90 degrees after being electrified each time.
Beneficial technical effects
1. The invention uses the special metal detector of the belt conveyor as a detection element, can realize targeted fixed-point iron removal, not only reduces the power consumption, but also can avoid the problem that the cone breaks iron and ensure the service life of equipment.
2. The invention adopts a stepping motor to drive the rotating frame to regularly rotate, and the design of four stations of the iron remover better meets the actual condition that metals are irregularly distributed at intervals on the belt, and circularly removes iron.
3. The invention has smaller ore incidental amount in the iron removal process, and greatly reduces the labor intensity of field operators.
4. The whole set of control principle, electric control program and executing components of the electric control system can realize large-scale application, and are simple and feasible to assemble, manufacture and program, and low in manufacturing cost.
Drawings
Fig. 1: the structure of the invention is schematically shown;
Fig. 2: connection diagrams of the present invention;
in the figure, the device comprises a 1-discharging part, a 2-supporting frame, a 3-stepping motor, a 4-cross-shaped expanding arm, a 5-electromagnet, a 6-metal detector, a 7-belt conveyor, an 8-control device, a 9-quadruplex-position iron remover, a 10-rotating frame and a 11-metal recycling bin.
Detailed Description
The invention will be further described with reference to the accompanying drawings and its practical application.
Example 1: as shown in fig. 1 and 2, the four-station intelligent iron removing device with the metal detector comprises a metal detector 6, a control device 8 and a four-station iron remover 9; the metal detector 6 is positioned at the position, close to the material, of the middle upper part of the belt conveyor 7, and the four-station iron remover 9 is supported above the discharging part 1 of the belt conveyor 7 through the support frame 2; the control device 8 is connected with the metal detector 6 and the four-station iron remover 9 through data signals to form an interlocking control loop; the four-station iron remover 9 comprises a cross-shaped spreading arm 4, a stepping motor 3, a rotating frame 10 and an electromagnet 5; the electromagnet 5 is respectively arranged at the tail ends of the spreading arms of the cross spreading arms 4, the intersection of the cross spreading arms 4 is opposite to the belt of the belt conveyor 7, one spreading arm of the cross spreading arms 4 is vertical to the belt, the other spreading arm is parallel to the belt, the intersection of the spreading arms is fixed on the rotating frame 10 and is driven to rotate by the stepping motor 3, the rotating frame 10 is provided with contact brushes, the contact brushes are distributed in the area right above the projection of the belt of the rotating frame 10, and the rest areas are not provided with the brushes, namely, when the spreading arms are parallel to the belt, the spreading contacts of the arms are connected with the brushes, so that the spreading arms are in a connection state with the control device 8, and when the spreading arms are vertical to the belt, the spreading contacts of the arms are not contacted with the brushes, so that the spreading arms are in a disconnection state with the control device; the control device 8 is internally provided with a PLC control system and comprises a relay A and a relay B, and the control device 8 receives signals transmitted by the metal detector 6 and respectively controls the start-stop action of the four-station iron remover 9 and the rotation of the stepping motor 3 through the relay A and the relay B;
the control device 8 is provided with a built-in PLC as follows:
control setting for the metal detector 6 and the four-station iron remover 9: the four-station de-ironing separator 9 is set to be operated for 20 seconds. When the metal detector 6 detects that the iron blocks or alloy steel are contained in the materials conveyed by the belt conveyor 7, a signal is transmitted to the control device 8, a PLC program in the control device 8 controls the relay A to delay to be electrified, the four-station iron remover 9 is started to continuously work for 20 seconds, and the iron blocks or alloy steel in the materials are stopped in a standby state after being sucked to wait for the next signal processing;
control settings for the stepper motor 3: when the four-station iron remover 9 sucks iron blocks or alloy steel in the materials and stops entering a standby state, the control device 8 controls the relay B to be electrified through the PLC, and the stepping motor 3 is started to work; the step motor 3 is controlled by a PLC program to stop after being turned for 90 degrees after being electrified each time;
and a metal recovery barrel 11 is arranged right below the electromagnet at the tail end of the arm which is perpendicular to the belt.
Example 2: as shown in fig. 1 and 2, the four-station intelligent iron removing device with the metal detector comprises a metal detector 6, a control device 8 and a four-station iron remover 9; the metal detector 6 is positioned at the position, close to the material, of the middle upper part of the belt conveyor 7, and the four-station iron remover 9 is supported above the discharging part 1 of the belt conveyor 7 through the support frame 2; the control device 8 is connected with the metal detector 6 and the four-station iron remover 9 through data signals to form an interlocking control loop; the four-station iron remover 9 comprises a cross-shaped spreading arm 4, a stepping motor 3, a rotating frame 10 and an electromagnet 5; the electromagnet 5 is respectively arranged at the tail ends of the spreading arms of the cross spreading arms 4, the intersection of the cross spreading arms 4 is opposite to the belt of the belt conveyor 7, one spreading arm of the cross spreading arms 4 is vertical to the belt, the other spreading arm is parallel to the belt, the intersection of the spreading arms is fixed on the rotating frame 10 and is driven to rotate by the stepping motor 3, the rotating frame 10 is provided with contact brushes, the contact brushes are distributed in the area right above the projection of the belt of the rotating frame 10, and the rest areas are not provided with the brushes, namely, when the spreading arms are parallel to the belt, the spreading contacts of the arms are connected with the brushes, so that the spreading arms are in a connection state with the control device 8, and when the spreading arms are vertical to the belt, the spreading contacts of the arms are not contacted with the brushes, so that the spreading arms are in a disconnection state with the control device; the control device 8 is internally provided with a PLC control system and comprises a relay A and a relay B, and the control device 8 receives signals transmitted by the metal detector 6 and respectively controls the start-stop action of the four-station iron remover 9 and the rotation of the stepping motor 3 through the relay A and the relay B;
the control device 8 is provided with a built-in PLC as follows:
control setting for the metal detector 6 and the four-station iron remover 9: the operating time of the four-station iron remover 9 is set to 30 seconds. When the metal detector 6 detects that the iron blocks or alloy steel are contained in the materials conveyed by the belt conveyor 7, a signal is transmitted to the control device 8, a PLC program in the control device 8 controls the relay A to delay to be electrified, the four-station iron remover 9 is started to continuously work for 30 seconds, and the iron blocks or alloy steel in the materials are stopped in a standby state after being sucked to wait for the next signal processing;
control settings for the stepper motor 3: when the four-station iron remover 9 sucks iron blocks or alloy steel in the materials and stops entering a standby state, the control device 8 controls the relay B to be electrified through the PLC, and the stepping motor 3 is started to work; the step motor 3 is controlled by a PLC program to stop after being turned for 90 degrees after being electrified each time;
and a metal recovery barrel 11 is arranged right below the electromagnet at the tail end of the arm which is perpendicular to the belt.
Example 3: as shown in fig. 1 and 2, the four-station intelligent iron removing device with the metal detector comprises a metal detector 6, a control device 8 and a four-station iron remover 9; the metal detector 6 is positioned at the position, close to the material, of the middle upper part of the belt conveyor 7, and the four-station iron remover 9 is supported above the discharging part 1 of the belt conveyor 7 through the support frame 2; the control device 8 is connected with the metal detector 6 and the four-station iron remover 9 through data signals to form an interlocking control loop; the four-station iron remover 9 comprises a cross-shaped spreading arm 4, a stepping motor 3, a rotating frame 10 and an electromagnet 5; the electromagnet 5 is respectively arranged at the tail ends of the spreading arms of the cross spreading arms 4, the intersection of the cross spreading arms 4 is opposite to the belt of the belt conveyor 7, one spreading arm of the cross spreading arms 4 is vertical to the belt, the other spreading arm is parallel to the belt, the intersection of the spreading arms is fixed on the rotating frame 10 and is driven to rotate by the stepping motor 3, the rotating frame 10 is provided with contact brushes, the contact brushes are distributed in the area right above the projection of the belt of the rotating frame 10, and the rest areas are not provided with the brushes, namely, when the spreading arms are parallel to the belt, the spreading contacts of the arms are connected with the brushes, so that the spreading arms are in a connection state with the control device 8, and when the spreading arms are vertical to the belt, the spreading contacts of the arms are not contacted with the brushes, so that the spreading arms are in a disconnection state with the control device; the control device 8 is internally provided with a PLC control system and comprises a relay A and a relay B, and the control device 8 receives signals transmitted by the metal detector 6 and respectively controls the start-stop action of the four-station iron remover 9 and the rotation of the stepping motor 3 through the relay A and the relay B;
the control device 8 is provided with a built-in PLC as follows:
control setting for the metal detector 6 and the four-station iron remover 9: the operating time of the four-station iron remover 9 was set to 40 seconds. When the metal detector 6 detects that the iron blocks or alloy steel are contained in the materials conveyed by the belt conveyor 7, a signal is transmitted to the control device 8, a PLC program in the control device 8 controls the relay A to delay to be electrified, the four-station iron remover 9 is started to continuously work for 40 seconds, and the iron blocks or alloy steel in the materials are stopped in a standby state after being sucked to wait for the next signal processing;
control settings for the stepper motor 3: when the four-station iron remover 9 sucks iron blocks or alloy steel in the materials and stops entering a standby state, the control device 8 controls the relay B to be electrified through the PLC, and the stepping motor 3 is started to work; the step motor 3 is controlled by a PLC program to stop after being turned for 90 degrees after being electrified each time;
and a metal recovery barrel 11 is arranged right below the electromagnet at the tail end of the arm which is perpendicular to the belt.
Example 4: the data connection as described in embodiments 1,2, 3 is a wired data connection or a wireless data connection; the remainder being identical.
Working principle: when the equipment operates, after scrap iron or alloy steel appears on a conveying belt, the scrap iron or alloy steel passes through a metal detector 6, the metal detector 6 sends a signal and feeds the signal back to a PLC (programmable logic controller) in a control device 8, and the PLC controls a relay A to act according to a manually set delay time, so that a closed loop is formed between the electricity obtained by an electric brush on a four-station iron remover 9 and an electromagnet 5 on a parallel arm of the belt, and iron removal operation is started (the iron removal time can be manually input according to actual working conditions); when the iron removal is finished, the PLC controls the stepping motor 1 to drive the rotating frame 10, the electromagnet after iron removal is rotated by 90 degrees, the electromagnet is rotated to the position above the metal recycling bin 11 to lose electricity, and waste metal falls into the metal recycling bin 11 to realize one-time iron removal operation.
Various modifications and equivalent changes may be made to the present invention without departing from the scope of the invention, and therefore, the present invention is not limited to the specific embodiments disclosed, but includes all embodiments falling within the scope of the appended claims.
Claims (3)
1. The four-station intelligent iron removing device with the metal detector is characterized by comprising the metal detector (6), a control device (8) and a four-station iron remover (9); the metal detector (6) is positioned at the middle upper part of the belt conveyor (7) and close to the position of the material, and the four-station iron remover (9) is supported above the discharging part (1) of the belt conveyor (7) through the support frame (2); the control device (8) is connected with the metal detector (6) and the four-station iron remover (9) through data signals to form an interlocking control loop; the four-station iron remover (9) comprises a cross-shaped spreading arm (4), a stepping motor (3), a rotating frame (10) and an electromagnet (5); the electromagnet (5) is respectively arranged at the tail ends of the spreading arms of the cross spreading arms (4), the cross points of the cross spreading arms (4) are opposite to the belt of the belt conveyor (7), one spreading arm of the cross spreading arms (4) is vertical to the belt, the other spreading arm is parallel to the belt, the cross point of the spreading arms is fixed on the rotating frame (10) and is driven to rotate by the stepping motor (3), the rotating frame (10) is provided with contact brushes, the contact brushes are distributed in the area right above the projection of the belt of the rotating frame (10), and the rest areas are not provided with brushes, namely, when the spreading arms are parallel to the belt, the spreading contacts of the arms are connected with the brushes, so that the spreading arms are in a connection state with the control device (8), and when the spreading arms are vertical to the belt, the spreading contacts of the arms cannot contact with the brushes, so that the arms are in a disconnection state with the control device; the control device (8) is internally provided with a PLC control module and comprises a relay A and a relay B, and the control device (8) receives signals transmitted by the metal detector (6) and respectively controls the start-stop action of the four-station iron remover (9) and the rotation of the stepping motor (3) through the relay A and the relay B;
The control device (8) is provided with the following built-in PLC:
For the control setting of metal detector (6) and quadruplex position ironremover (9): when the metal detector (6) detects that the iron blocks or alloy steel are contained in the materials conveyed by the belt conveyor (7), a signal is transmitted to the control device (8), a PLC program in the control device (8) controls the relay A to delay power-on, the four-station iron remover (9) is started to continuously work for 20-40 seconds, and the four-station iron remover (9) stops in a standby state to wait for the next signal processing after absorbing the iron blocks or alloy steel in the materials; the time of delay starting of the relay A=the distance between the metal detector and the iron remover (9) on the cross-shaped expanding arm (4) close to the end of the metal detector (6)/the belt speed;
for the control setting of the stepper motor (3): when the four-station iron remover (9) sucks iron blocks or alloy steel in the materials and stops entering a standby state, the control device (8) controls the relay B to be electrified through the PLC, and the stepping motor (3) is started to work; and the stepping motor (3) is controlled by a PLC program to stop after being turned for 90 degrees after being electrified each time.
2. The four-station intelligent iron removal device with a metal detector according to claim 1, wherein the data signal connection is a wired data connection or a wireless data connection.
3. The four-station intelligent iron removal device with the metal detector according to any one of claims 1 or 2, wherein a metal recovery barrel (11) is arranged right below an electromagnet at the tail end of the vertical arm of the belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231057.5A CN109909063B (en) | 2019-03-26 | 2019-03-26 | Four-station intelligent iron removal device with metal detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231057.5A CN109909063B (en) | 2019-03-26 | 2019-03-26 | Four-station intelligent iron removal device with metal detector |
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| CN109909063A CN109909063A (en) | 2019-06-21 |
| CN109909063B true CN109909063B (en) | 2024-04-26 |
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| CN109909063A (en) | 2019-06-21 |
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