CN209802466U - Metering device - Google Patents
Metering device Download PDFInfo
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- CN209802466U CN209802466U CN201920771329.6U CN201920771329U CN209802466U CN 209802466 U CN209802466 U CN 209802466U CN 201920771329 U CN201920771329 U CN 201920771329U CN 209802466 U CN209802466 U CN 209802466U
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- weighing
- hopper
- metering
- metering device
- conveyer
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Abstract
The utility model discloses a metering device, which comprises a stock bin, a conveyor I, a conveyor II, a rough metering hopper, a fine metering hopper and a controller, the conveyor I is provided with a feed inlet I and a discharge outlet I, the feed inlet I is connected with the storage bin, the discharge port I is connected with the coarse weighing hopper, the conveyor II is provided with a feed port II and a discharge port II, the feed inlet II is connected with the feed bin, the discharge outlet II is connected with the fine weighing hopper, the lower end of the coarse weighing hopper is provided with an adjusting valve I, the lower end of the fine weighing hopper is provided with an adjusting valve II, the coarse weighing hopper is provided with a weighing sensor I, be provided with weighing sensor II on the smart weighing hopper, the range of weighing sensor I is greater than weighing sensor II's range, the utility model provides a pair of metering device, the measurement is accurate, and the precision is high.
Description
Technical Field
The utility model belongs to the technical field of the measurement, concretely relates to metering device.
Background
In the industries of engineering application, feed, chemical fertilizer and the like, large batch of bulk materials need to be measured, and in order to quickly convey the bulk materials and accurately measure the precision, two methods are used for measuring at present: a single large-diameter screw conveyor is adopted to convey bulk materials to a metering hopper for metering, in the whole metering process, rough metering, fine metering and fall estimation are controlled by controlling the opening degree of a hopper door, but the blanking diameter is large, the blanking speed is too fast, rapid material conveying can be met, the blanking amount and the fall value are difficult to control, metering is inaccurate, and the metering error is large. The other is to adopt two sets of screw conveyors to convey the bulk materials to a measuring hopper for metering, for example, patent No. 201420145181.2 discloses a double-screw quantitative feeding device, which adopts a large double-screw conveyor and a small double-screw conveyor for feeding, but two screws are fed into the same measuring hopper, when the large screw and the small screw are simultaneously opened, the two screws are used as fast feeding, after the large screw stops feeding, the small screw continues to feed at a slow speed, the outlet of the feeding is a pipe with the same caliber, when the small screw stops, part of the bulk materials at the outlet still do not enter the measuring hopper, and the metering is finished at the moment, the fall value increases the error value of each metering, the metering precision is not high, and the requirement of high-quality mixed materials can not be met.
in summary, in order to solve the problems of not only fast conveying the materials and improving the efficiency, but also accurately metering and improving the quality of the mixed materials, the technical personnel in the field need to solve the problems.
Disclosure of Invention
In order to solve the problem, the utility model provides a pair of metering device carries fast, save time, and the measurement is accurate, the precision is high.
The utility model adopts the technical proposal that:
A metering device comprises a stock bin, a conveyor I, a conveyor II, a coarse metering hopper, a fine metering hopper and a controller, wherein the input end of the conveyor I is connected with a power mechanism I, the input end of the conveyor II is connected with a power mechanism II, the conveyor I is provided with a feed inlet I and a discharge outlet I, the feed inlet I is connected with the stock bin, the discharge outlet I is connected with the coarse metering hopper, the conveyor II is provided with a feed inlet II and a discharge outlet II, the feed inlet II is connected with the stock bin, the discharge outlet II is connected with the fine metering hopper, the lower end of the coarse metering hopper is provided with a regulating valve I, the lower end of the fine metering hopper is provided with a regulating valve II, the coarse metering hopper is provided with a weighing sensor I, the fine metering hopper is provided with a weighing sensor II, and the range of the weighing sensor I is larger than that of the weighing sensor, power unit I, power unit II, weighing sensor I, weighing sensor II, governing valve I and II equal electric connection director of governing valve.
Further, the conveyor I and the conveyor II are both spiral conveyors, and the diameter of the conveyor I is larger than that of the conveyor II.
Further, the capacity of the coarse weighing hopper is larger than that of the fine weighing hopper.
Furthermore, the regulating valve I and the regulating valve II are electric regulating valves.
Further, power unit I's power supply is motor I, motor I passes through shaft coupling I and is connected with conveyer I, power unit II's power supply is motor II, motor II passes through shaft coupling II and is connected with conveyer II.
Further, the controller is a PLC controller.
Further, discharge gate I with flexonics between the rough metering hopper, discharge gate II with flexonics between the fine metering hopper, rough metering hopper with flexonics between the fine metering hopper.
Furthermore, the precision and the sensitivity of the weighing sensor II are not less than those of the weighing sensor I.
Furthermore, the weighing sensor I and the weighing sensor II are pressure type weighing sensors.
Furthermore, the feed inlet I with be provided with governing valve III between the feed bin, the feed inlet II with be provided with governing valve IV between the feed bin, governing valve III with governing valve IV is electric control valve and equal electric connection director.
The beneficial effects of the utility model reside in that:
1. Reasonable structure, stable and reliable operation, easy implementation and particular suitability for the material conveying and metering with large metering total amount and high precision requirement.
2. The device adopts the weighing sensor of two conveyers and two kinds of different ranges, conveyer I and conveyer II and weighing sensor I and weighing sensor II, and two conveyers can reduce the batching time, and the range of weighing sensor I is greater than the range of weighing sensor II, can improve the measurement accuracy.
3. Two weighing sensors are matched with two weighing hoppers, a rough weighing hopper and a fine weighing hopper to improve the metering precision, the total metering value is the sum of the two weighing hoppers, the fall value of the rough weighing hopper can be compensated by fine metering, and the metering error caused by the fall value of a discharge port I in the metering process is reduced.
4. Flexible connection between thick weighing hopper and the smart weighing hopper, flexible connection between discharge gate I and the thick weighing hopper, flexible connection between discharge gate II and the smart weighing hopper have reduced the metering error that conveyer I and conveyer II caused because of during operation swing interference.
Drawings
FIG. 1 is a schematic view of a structure of a metering device of the present invention
in the figure: 1. a screw conveyor I; 2. a screw conveyor II; 3. a power mechanism I; 31. a motor I; 32. a coupler I; 4. a power mechanism II; 41. a motor II; 42. a coupler II; 5. a feeding hole I; 6. a feed inlet II; 7. a discharge port I; 8. a discharge port II; 9. a pressure type weighing sensor I; 10. a pressure type weighing sensor II; 11. an electric regulating valve I; 12. an electric regulating valve II; 13. a coarse weighing hopper; 14. a fine weighing hopper; 15. a PLC controller; 16. a storage bin; 17. adjusting a valve III; 18. and adjusting a valve IV.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The utility model provides a double helix batching metering device, as shown in fig. 1, including feed bin 16, screw conveyer I1, screw conveyer II 2, rough weighing hopper 13, fine weighing hopper 14 and PLC controller 15, screw conveyer I1 input links to each other with power unit I3, power unit I3's power source motor I31, motor I31 passes through shaft coupling I32 and is connected with screw conveyer I1, screw conveyer I1 upper end is provided with feed inlet I5 and discharge gate I6, feed inlet I5 is connected with feed bin 16, and be provided with governing valve III 17 between feed inlet I5 and the feed bin 16, through sack soft connection between discharge gate I7 and the rough weighing hopper 13, the metering error that I1 during operation swing of screw conveyer disturbed and caused has been reduced, rough weighing hopper 13 lower extreme is provided with electrical control valve I11.
II 2 input ends of screw conveyer link to each other with power unit II 4, the power supply of power unit II 4 is motor II 41, motor II 41 is connected with screw conveyer II 2 through shaft coupling II 42, II 2 upper ends of screw conveyer are provided with feed inlet II 6 and discharge gate II 8, feed inlet II 6 is connected with feed bin 16, and be provided with governing valve IV 18 between feed inlet II 6 and the feed bin 16, through sack flexible coupling between discharge gate II 8 and the smart hopper 14, the metering error that II 2 during operation swing of screw conveyer disturbed and cause has been reduced, smart hopper 14 lower extreme is provided with electrical control valve II 12.
Pressure type weighing sensor I9 is arranged at the upper end of the outer side wall of the coarse weighing hopper 13, the measuring range of the pressure type weighing sensor I9 is 1T, the precision grade is C3 grade, and the minimum weighing value is 0.67 kg. The outer side wall upper end of the fine weighing hopper 14 is provided with a weighing pressure type retransmission sensor II 10, the measuring range of the pressure type retransmission sensor II 10 is 50kg, the precision grade is C3 grade, the minimum weighing value is 16.7g, the diameter of a screw conveyor I1 is larger than that of a screw conveyor II 2, the speed of bulk materials conveyed by the screw conveyor I1 is high, the fine weighing hopper 14 is in soft connection with the coarse weighing hopper 13 through a cloth bag, the capacity of the coarse weighing hopper 13 is larger than that of the fine weighing hopper 14, a power mechanism I3, a power mechanism II 4, a pressure type weighing sensor I9, a pressure type weighing sensor II 10, an electric regulating valve I11, an electric regulating valve II 12, a regulating valve III 17 and a regulating valve IV 18 are all electrically connected with the PLC 15.
When the utility model is used in particular, the PLC 15 automatically sets the quick weighing value of the coarse weighing hopper 13 and the weighing value of the fine weighing hopper 14 according to the target weighing value, the motor I31 is started, the regulating valve III 17 is opened, the powder quickly enters the coarse weighing hopper 13 through the screw conveyor I1, when the numerical value detected by the pressure type weighing sensor I9 reaches the set quick weighing value, the motor I31 stops running, and then the screw conveyor I1 is stopped to prepare materials; after the screw conveyor I1 stops batching, the fall value is a part of the weighing value, namely the weighing value of the rough weighing hopper 13 comprises the weighing value and the fall value when the screw conveyor I1 stops; at the moment, the weighing value of the coarse weighing hopper 13 is fed back to the PLC 15, the PLC 15 adjusts the weighing value of the screw conveyor II 2 according to the set target weighing value, the screw conveyor II 2 is proportioned according to the weighing value of the screw conveyor II 2, the process of calculating the weighing value of the screw conveyor II 2 is very short, and the process is completed after the weighing value of the screw conveyor I1 is stable; when the motor I31 stops operating, the motor II 41 is started simultaneously, the regulating valve IV 18 is opened, materials enter the fine weighing hopper 14 through the screw conveyor II 2, after the weighing value of the fine weighing hopper 14 reaches a target set value, the motor II 41 stops operating, and then the materials of the screw conveyor II 2 are stopped, the electric regulating valve II 12 is opened at the moment, the materials of the fine weighing hopper 14 are discharged into the coarse weighing hopper 13, the materials are fed back to the PLC 15 after the weighing value of the coarse weighing hopper 13 is stabilized, the PLC 15 sends a discharging signal, the coarse weighing hopper 13 discharges materials, and a complete metering process is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a metering device, includes feed bin, conveyer I, conveyer II, thick weighing hopper, smart weighing hopper and controller, I input of conveyer links to each other with power unit I, II inputs of conveyer link to each other its characterized in that with power unit II: be provided with feed inlet I and discharge gate I on the conveyer I, feed inlet I with the feed bin is connected, discharge gate I with rough weighing hopper connects, be provided with feed inlet II and discharge gate II on the conveyer II, feed inlet II with the feed bin is connected, discharge gate II with fine weighing hopper connects, the rough weighing hopper lower extreme is provided with governing valve I, fine weighing hopper lower extreme is provided with governing valve II, be provided with weighing sensor I on the rough weighing hopper, be provided with weighing sensor II on the fine weighing hopper, weighing sensor I's range is greater than weighing sensor II's range, power unit I, power unit II, weighing sensor I, weighing sensor II, governing valve I and II equal electric connection director of governing valve.
2. A metering device according to claim 1 wherein: the conveyor I and the conveyor II are both spiral conveyors, and the diameter of the conveyor I is larger than that of the conveyor II.
3. A metering device according to claim 1 wherein: the capacity of the coarse weighing hopper is larger than that of the fine weighing hopper.
4. A metering device according to claim 1 wherein: the regulating valve I and the regulating valve II are electric regulating valves.
5. A metering device according to claim 1 wherein: the power supply of power unit I is motor I, motor I passes through shaft coupling I and is connected with conveyer I, the power supply of power unit II is motor II, motor II passes through shaft coupling II and is connected with conveyer II.
6. A metering device according to claim 1 wherein: the controller is a PLC controller.
7. A metering device according to claim 1 wherein: the discharge gate I with flexonics between the rough metering hopper, discharge gate II with flexonics between the fine metering hopper, rough metering hopper with flexonics between the fine metering hopper.
8. A metering device according to claim 1 wherein: and the precision and the sensitivity of the weighing sensor II are not less than those of the weighing sensor I.
9. A metering device according to claim 1 wherein: and the weighing sensor I and the weighing sensor II are pressure type weighing sensors.
10. A metering device according to claim 1 wherein: the feed inlet I with be provided with governing valve III between the feed bin, feed inlet II with be provided with governing valve IV between the feed bin, governing valve III with governing valve IV is electric control valve and equal electric connection director.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771329.6U CN209802466U (en) | 2019-05-27 | 2019-05-27 | Metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771329.6U CN209802466U (en) | 2019-05-27 | 2019-05-27 | Metering device |
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| Publication Number | Publication Date |
|---|---|
| CN209802466U true CN209802466U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920771329.6U Active CN209802466U (en) | 2019-05-27 | 2019-05-27 | Metering device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392349A (en) * | 2020-03-27 | 2020-07-10 | 周全红 | Automatic feeding and classifying equipment |
| CN113666143A (en) * | 2021-10-21 | 2021-11-19 | 张家港大塚化学有限公司 | Titanate measurement feeding equipment |
| CN114524293A (en) * | 2022-03-01 | 2022-05-24 | 潍坊萨伯特精密转动设备有限公司 | Catalyst delivery pump |
-
2019
- 2019-05-27 CN CN201920771329.6U patent/CN209802466U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392349A (en) * | 2020-03-27 | 2020-07-10 | 周全红 | Automatic feeding and classifying equipment |
| CN113666143A (en) * | 2021-10-21 | 2021-11-19 | 张家港大塚化学有限公司 | Titanate measurement feeding equipment |
| CN114524293A (en) * | 2022-03-01 | 2022-05-24 | 潍坊萨伯特精密转动设备有限公司 | Catalyst delivery pump |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201203 Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province Patentee after: Xuchang Detong vibration mixing technology Co., Ltd Address before: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province Patentee before: Xuchang Detong Concrete Industry Technology Research Institute Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province Patentee after: Detong Intelligent Technology Co.,Ltd. Address before: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province Patentee before: Xuchang Detong vibration mixing technology Co.,Ltd. |