CN103149064B - Method for automatically adjusting division ratio and division stroke in preparation process of ore sample through weighing - Google Patents
Method for automatically adjusting division ratio and division stroke in preparation process of ore sample through weighing Download PDFInfo
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- CN103149064B CN103149064B CN201310055014.9A CN201310055014A CN103149064B CN 103149064 B CN103149064 B CN 103149064B CN 201310055014 A CN201310055014 A CN 201310055014A CN 103149064 B CN103149064 B CN 103149064B
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Abstract
A method for automatically adjusting the division ratio and the division stroke in the preparation process of an ore sample through weighing is characterized in that the method comprises the following steps: 1, weighing: weighing the ore sample in a hopper, and importing the weighed mass data of the ore sample to a programmable controller through a weighing sensor; 2, calculation programming of the programmable controller: calculating by the programmable controller according to the weighed mass data of the ore sample in step 1 to obtain the division ratio which is the ratio of a residual sample mass to a material mass; and 3, controlling the division stroke. The method has the following advantages: 1, the automatic adjustment of the division ratio and the division stroke of a division device by the programmable controller according to the mass data of the ore sample by weighing the material substitutes artificial calculation and adjustment, and the sample preparation is representative; 2, the division precision is high, the division deviation is small, and the influences of artificial factors are avoided; 3, the working efficiency is improved, the preparation time of the sample is shortened, and the labor intensity of a worker is mitigated; and 4, the method can be combined with other sample preparation programs to realize an unattended combined automation purpose.
Description
Technical field
The present invention relates to the preparation method of ore sample, particularly relate to a kind of utilization and weigh and automatically regulate the method for the when division stroke of division in ore sample preparation process.
Background technology
Ore sample preparation needs the material obtaining designated size and definite quality, the material obtaining definite quality uses division equipment to obtain at present, existing division method uses division equipment to carry out division, the division ratio of division equipment mainly uses manual shift, manual shift mainly carries out manual adjustments by the graduation indication of the division ratio preset on reduction device, owing to needing the quality of material of sample preparation different, for obtaining representative sample, need the material of sample preparation after weighing, artificial calculating division ratio, the reduction device of manual shift division equipment reaches division ratio again, and manual shift division stroke is consistent with material feed opening range of size, the material of sample preparation is needed to carry out division again.It is large to there is error in manual shift, causes division deviation large, and when needs regulate division ratio and division stroke, equipment of need opening regulates, and there is hidden danger and ineffective problem; Weigh in addition, division ratio regulates, the work of pan feeding can not be carried out simultaneously, there is working link many, the sample preparation time is long, the problem that labor intensity of operating staff is large, and cannot realize the object of sample preparation each program unmanned associating robotization.
Summary of the invention
The object of the present invention is to provide a kind of utilization to weigh automatically to regulate the method for the when division stroke of division in ore sample preparation process, it automatically regulates division when division stroke.Thus realize the object of sample preparation each program unmanned associating robotization
The present invention adopts following devices to realize: hopper, LOAD CELLS, Programmable Logic Controller (PLC), stepper motor driver, conveyer, automatic reduction device, abandon sample gathering-device, keep sample gathering-device, stepper motor, Timing Belt, division gear regulating device, decelerating step motor, hopper is connected with LOAD CELLS, LOAD CELLS connects Programmable Logic Controller by communication line, Programmable Logic Controller connects stepper motor driver by communication line, stepper motor driver connects stepper motor and decelerating step motor by cable, it is characterized in that method step is as follows:
1) weigh: weigh to ore sample in hopper, the ore sample qualitative data after weighing imports Programmable Logic Controller by LOAD CELLS; Ore sample enters conveyer by discharging opening, then enters feed opening, and automatic reduction device is established in feed opening lower end, and automatic reduction device has and keeps sample gathering-device and abandon sample gathering-device;
2) Programmable Logic Controller calculation and programming: according to step 1 provide weigh after ore sample qualitative data, division ratio is calculated by keep sample quality and quality of material by Programmable Logic Controller, calculated to keep sample by opening size fixing bottom division ratio and feed opening and collect the opening size of opening, the opening size data transformations collecting opening that keeps sample is become control signal by Programmable Logic Controller, stepper motor driver is sent to by communication line, stepper motor driver controls decelerating step motor by cable and drives the division gear regulating device of automatic reduction device to move, keeping sample of being connected with division gear regulating device is collected opening and is carried out opening or reducing, the opening size collecting opening that makes to keep sample increases or reduces, thus make to keep sample and collect opening and be accurately positioned, reach the division ratio set by Programmable Logic Controller calculates,
3) control of division stroke: Programmable Logic Controller is collected according to keeping sample the opening size opening size of opening and the bottom of feed opening fixed and calculated the reciprocating stroke of opening keeping sample and collect opening, the data transformations calculated becomes control signal to be sent to stepper motor driver by communication line, stepper motor driver drives the stroke of Timing Belt to carry out the change increasing or reduce by cable control step motor, and the reciprocating stroke range of opening that making keeps sample collects opening is identical with the opening size scope that the bottom of feed opening is fixed.
Technique effect of the present invention is: 1, weigh to material, is automatically regulated by Programmable Logic Controller according to ore sample qualitative data to the division ratio of reduction device, division stroke, and replace manually carrying out calculating and regulating, sample preparation is representative; 3, division precision is high, and division deviation is little, avoids the impact of human factor; 4, increase work efficiency, shorten the sample preparation time, alleviate labor intensity of operating staff; 5, can combine with other sample preparation procedure, realize the object of unmanned associating robotization.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
Fig. 2 is automatic reduction device structural representation of the present invention.
In the drawings, 1, hopper 2, discharging opening 3, LOAD CELLS 4, Programmable Logic Controller (PLC) 5, communication line 6, stepper motor driver 7, conveyer 8, feed opening 9, automatically reduction device 10, abandon sample gathering-device 11, the gathering-device 12 that keeps sample, cable 13, stepper motor 14, Timing Belt 15, keep sample and collect opening 16, division gear regulating device 17, decelerating step motor.
Embodiment
As Fig. 1, shown in Fig. 2, the present invention adopts following devices to realize: hopper 1, LOAD CELLS 3, Programmable Logic Controller 4, stepper motor driver 6, conveyer 7, automatic reduction device 9, abandon sample gathering-device 10, keep sample gathering-device 11, stepper motor 13, Timing Belt 14, division gear regulating device 16, decelerating step motor 17, hopper 1 is connected with LOAD CELLS 3, LOAD CELLS 3 connects Programmable Logic Controller 4 by communication line 5, Programmable Logic Controller 4 connects stepper motor driver 6 by communication line 5, stepper motor driver 6 connects stepper motor 13 and decelerating step motor 17 by cable 12, method step of the present invention is as follows
1) weigh: weigh to ore sample in hopper 1, the ore sample qualitative data after weighing imports Programmable Logic Controller 4 by LOAD CELLS 3; Ore sample enters conveyer 7 by discharging opening 2, then enters feed opening 8, and automatic reduction device 9 is established in feed opening lower end, and automatic reduction device has and keeps sample gathering-device 11 and abandon sample gathering-device 10;
2) Programmable Logic Controller calculation and programming: according to step 1 provide weigh after ore sample qualitative data, division ratio is calculated by keep sample quality and quality of material by Programmable Logic Controller 4, calculated to keep sample by opening size fixing bottom division ratio and feed opening 8 and collect the opening size of opening 15, the opening size data transformations collecting opening that keeps sample becomes control signal to be sent to stepper motor driver 6 by communication line 5 by Programmable Logic Controller, stepper motor driver controls decelerating step motor 17 by cable 12 and drives the division gear regulating device 16 of automatic reduction device 9 to move, keeping sample of being connected with division gear regulating device 16 is collected opening 15 and is carried out opening or reducing, the opening size collecting opening 15 that makes to keep sample increases or reduces, thus make to keep sample and collect opening 15 and be accurately positioned, reach the division ratio set by Programmable Logic Controller calculates,
3) control of division stroke: Programmable Logic Controller 4 is collected by keeping sample the opening size opening size of opening 15 and the bottom of feed opening 8 fixed and calculated the reciprocating stroke of opening keeping sample and collect opening 15, the data transformations calculated becomes control signal to be sent to stepper motor driver 6 by communication line 5, stepper motor driver drives the stroke of Timing Belt 14 to carry out the change increasing or reduce by cable 12 control step motor 13, and the reciprocating stroke range of opening that making keeps sample collects opening 15 is identical with the opening size scope that the bottom of feed opening 8 is fixed.
Present invention achieves the method automatically regulating division when division stroke by weighing, the object of the material of representative definite quality is obtained when reaching each sample preparation, and automatically regulate the method for division when division stroke can combine with other sample preparation procedure by weighing, to the associating robotization realizing each program of sample preparation, significant.
Claims (1)
1. a utilization is weighed and is automatically regulated the method for the when division stroke of division in ore sample preparation process, the method adopts following devices to realize: hopper, LOAD CELLS, Programmable Logic Controller (PLC), stepper motor driver, conveyer, automatic reduction device, abandon sample gathering-device, keep sample gathering-device, stepper motor, Timing Belt, division gear regulating device, decelerating step motor, hopper is connected with LOAD CELLS, LOAD CELLS connects Programmable Logic Controller by communication line, Programmable Logic Controller connects stepper motor driver by communication line, stepper motor driver connects stepper motor and decelerating step motor by cable, it is characterized in that method step is as follows:
1) weigh: weigh to ore sample in hopper, the ore sample qualitative data after weighing imports Programmable Logic Controller by LOAD CELLS; Ore sample enters conveyer by discharging opening, then enters feed opening, and automatic reduction device is established in feed opening lower end, and automatic reduction device has and keeps sample gathering-device and abandon sample gathering-device;
2) Programmable Logic Controller calculation and programming: according to step 1 provide weigh after ore sample qualitative data, division ratio is gone out by ore sample Mass Calculation before keep sample quality and division by Programmable Logic Controller, calculated to keep sample by opening size fixing bottom division ratio and feed opening and collect the opening size of opening, the opening size data transformations collecting opening that keeps sample is become control signal by Programmable Logic Controller, stepper motor driver is sent to by communication line, stepper motor driver controls decelerating step motor by cable and drives the division gear regulating device of automatic reduction device to move, keeping sample of being connected with division gear regulating device is collected opening and is carried out opening or reducing, the opening size collecting opening that makes to keep sample increases or reduces, thus make to keep sample and collect opening and be accurately positioned, reach the division ratio set by Programmable Logic Controller calculates,
3) control of division stroke: Programmable Logic Controller is collected according to keeping sample the opening size opening size of opening and the bottom of feed opening fixed and calculated the reciprocating stroke of opening keeping sample and collect opening, the data transformations calculated becomes control signal to be sent to stepper motor driver by communication line, stepper motor driver drives the stroke of Timing Belt to carry out the change increasing or reduce by cable control step motor, and the reciprocating stroke range of opening that making keeps sample collects opening is identical with the opening size scope that the bottom of feed opening is fixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310055014.9A CN103149064B (en) | 2013-02-21 | 2013-02-21 | Method for automatically adjusting division ratio and division stroke in preparation process of ore sample through weighing |
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| CN201310055014.9A CN103149064B (en) | 2013-02-21 | 2013-02-21 | Method for automatically adjusting division ratio and division stroke in preparation process of ore sample through weighing |
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| CN103149064B true CN103149064B (en) | 2015-02-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109141994B (en) * | 2017-06-16 | 2024-02-13 | 江西光明智能科技有限公司 | Automatic combined sample preparation device |
| CN110658050B (en) * | 2019-10-15 | 2022-04-19 | 镇江市科瑞制样设备有限公司 | Self-adaptive mixing division method for multi-mineral characteristic |
| CN113776911A (en) * | 2021-09-15 | 2021-12-10 | 镇江市科瑞制样设备有限公司 | Intelligent control method of sampling machine with self-adaptive division opening and speed |
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| DE10325453B4 (en) * | 2003-06-05 | 2006-12-21 | Herzog Maschinenfabrik Gmbh & Co | Method and device for dividing bulk material samples |
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| CN2427746Y (en) * | 2000-03-24 | 2001-04-25 | 周亮渠 | Automatic sample making machine for coal |
| CN101382475A (en) * | 2007-09-04 | 2009-03-11 | 范金泉 | Full automatic mineral sampling and sample-preparing system in set and mineral sampling and sample-preparing method thereof |
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Address after: 330000 No. 666, science and technology Avenue, private science park, Jiangxi, Nanchang Patentee after: JIANGXI GUANGMING INTELLIGENT TECHNOLOGY CO., LTD. Address before: 330000 No. 666, science and technology Avenue, private science park, Jiangxi, Nanchang Patentee before: Nanchang Guangming Lab Assay Equipment Co., Ltd. |