CN209727227U - A kind of metering device - Google Patents

A kind of metering device Download PDF

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Publication number
CN209727227U
CN209727227U CN201920771341.7U CN201920771341U CN209727227U CN 209727227 U CN209727227 U CN 209727227U CN 201920771341 U CN201920771341 U CN 201920771341U CN 209727227 U CN209727227 U CN 209727227U
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CN
China
Prior art keywords
regulating valve
weighing hopper
weighing
thick
metering device
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Application number
CN201920771341.7U
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Chinese (zh)
Inventor
张良奇
李冠峰
冯威
于彩娜
孔鲜宁
毛壮壮
李晓军
朱容蓄
胡伟奇
董冠一
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Xuchang Detong Concrete Industry Technology Research Institute Co Ltd
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Xuchang Detong Concrete Industry Technology Research Institute Co Ltd
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Priority to CN201920771341.7U priority Critical patent/CN209727227U/en
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Abstract

The utility model discloses a kind of metering devices, wherein metering device includes feed bin, conveyer, control cabinet, thick weighing hopper, smart weighing hopper, inlet port and outlet port are provided on the conveyer, feed inlet is connected with the feed bin, the discharge port is connected with the smart weighing hopper, and regulating valve I is provided between the discharge port and the smart weighing hopper, the discharge port of the essence weighing hopper is connected with the thick weighing hopper, the essence weighing hopper is embedded in the thick weighing hopper, the essence weighing hopper lower end is provided with regulating valve II, weighing sensor II is provided on the essence weighing hopper, the thick weighing hopper lower end is provided with regulating valve III, weighing sensor I is provided on the thick weighing hopper, the range of the weighing sensor I is greater than the range of the weighing sensor II, frequency converter and controller are provided in the control cabinet, A kind of metering device provided by the utility model, quick and precisely, precision is high for metering.

Description

A kind of metering device
Technical field
The utility model belongs to measuring equipment field, and in particular to a kind of metering device.
Background technique
It needs to measure large batch of balk cargo in industries such as engineer application, feed, chemical fertilizer, in order to fast to balk cargo Speed conveying, measuring accuracy are accurate, are measured at present there are two types of mode: a kind of to use single Large Diameter Pipeline screw conveyor in bulk Material is delivered to weighing hopper and is measured, and in entire metering process, the opening size by control meter hopper door is thick, smart to control Metering and throw evaluation, but blanking bore is big, and blanking velocity is too fast, is able to satisfy quick conveying, but be difficult to control discharge quantity and fall Difference, causes metering inaccuracy, and measurement error is bigger than normal.Another kind is that balk cargo is delivered to metering using two groups of screw conveyors Bucket is measured, as the patent of Patent No. " 201420145181.2 " discloses a kind of double helix dosing device, the dress Though setting using small one and large one double screw conveyor blanking, two spiral blankings are opened simultaneously in same weighing hopper, big minor spiral When, as fast blanking, after king bolt stops blanking, minor spiral continues blanking at a slow speed, and the outlet of blanking is same bore Pipe still has part in bulk material not yet to enter scale hooper, and measure tied at this time when minor spiral stops at feed opening Beam, the drop value increase the error amount measured every time, the not high needs for being unable to satisfy high quality metering of measuring accuracy.
It is those skilled in the art in conclusion improving efficiency and accurately measuring to solve quickly to convey material Member's urgent problem.
Summary of the invention
To solve the above problems, a kind of metering device provided by the utility model, conveying is quick, saves the time, and metering is quasi- Really, precision is high.
The technical scheme adopted by the utility model is
A kind of metering device, including feed bin, conveyer, control cabinet, thick weighing hopper, smart weighing hopper, the conveyer input End is connected to the motor, it is characterised in that: inlet port and outlet port, feed inlet and the feed bin phase are provided on the conveyer Even, the discharge port is connected with the smart weighing hopper, and is provided with regulating valve I between the discharge port and the smart weighing hopper, The discharge port of the essence weighing hopper is connected with the thick weighing hopper, and the essence weighing hopper lower end is provided with regulating valve II, the essence Weighing sensor II is provided on weighing hopper, the thick weighing hopper lower end is provided with regulating valve III, is arranged on the thick weighing hopper There is weighing sensor I, the range of the weighing sensor I is greater than the range of the weighing sensor II, sets in the control cabinet It is equipped with frequency converter and controller, the motor is electrically connected with the frequency converter, and the frequency converter, weighing sensor I, weighing pass Sensor II, regulating valve I, regulating valve II and regulating valve III are electrically connected the controller.
Further, the conveyer is screw conveyor.
Further, the capacity of the thick weighing hopper is greater than the capacity of the smart weighing hopper.
Further, the regulating valve I, the regulating valve II and the regulating valve III are Electronic control regulating valve.
Further, the controller is PLC controller.
Further, it is flexibly connected between the discharge port and the smart weighing hopper.
Further, the accuracy and sensitivity of the weighing sensor II not less than the weighing sensor I precision and Sensitivity.
Further, the weighing sensor I and weighing sensor II are pressure type weighing sensor.
Further, regulating valve IV is provided between the feed inlet and the feed bin, the regulating valve IV is electronic control Regulating valve processed, and the regulating valve IV is electrically connected the controller.
The utility model has the beneficial effects that:
1. structurally reasonable, stable and reliable operation, easy to implement, especially suitable for measuring the object that total amount is big and required precision is high Material conveying metering.
2. completing thick metering and essence metering using a conveyer, structure is simple, high-efficient, and measuring accuracy is high.
3. cooperating two weighing hoppers, and the amount for the weighing sensor I being arranged on thick weighing hopper using two groups of weighing sensors Journey is greater than the range for the weighing sensor II being arranged on smart weighing hopper, and the accuracy and sensitivity of weighing sensor II is not less than described The accuracy and sensitivity of weighing sensor I, improves measuring accuracy, reduces drop error amount.
4. being flexibly connected between the discharge port and the smart weighing hopper, it is dry because swinging when work to reduce the conveyer Measurement error caused by disturbing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of metering device of the utility model
In figure: 1, feed bin;2, screw conveyor;3, motor;4, control cabinet;5, thick weighing hopper;6, smart weighing hopper;7, it adjusts Valve I;8, regulating valve II;9, regulating valve III;10, regulating valve IV;11, pressure type weighing sensor I;12, pressure type weighing and sensing Device II;13, feed inlet;14, discharge port.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
A kind of metering device, as shown in Figure 1, including feed bin 1, screw conveyor 2, control cabinet 4, thick weighing hopper 5, essence metering Bucket 6,2 input terminal of screw conveyor are connected by shaft coupling with motor 3, and 2 upper end of screw conveyor is provided with feed inlet 13 and goes out Material mouth 14, feed inlet 13 are connected with feed bin 1, and regulating valve IV 10 is provided between feed inlet 13 and feed bin 1, discharge port 14 and essence It is flexible coupling between weighing hopper 6 by cloth bag, reduces screw conveyor 2 because of measurement error, discharge port caused by swinging when work Regulating valve I 7 is additionally provided between 14 and smart weighing hopper 6, smart weighing hopper 6 is located at thick 5 top of weighing hopper or smart weighing hopper 6 is embedded in In thick weighing hopper 5, and the discharge port of smart weighing hopper 6 is connected with thick weighing hopper 5, and the capacity of thick weighing hopper 5 is greater than smart weighing hopper 6 Capacity, smart 6 lower end of weighing hopper are provided with regulating valve II 8, and smart 6 lateral wall upper end of weighing hopper is provided with pressure type weighing sensor II 12, thick 5 lower end of weighing hopper is provided with regulating valve III 9, and thick 5 lateral wall upper end of weighing hopper is provided with pressure type weighing sensor I 11, The range of pressure type weighing sensor I 11 is greater than the range of pressure type weighing sensor II 12, pressure type weighing sensor II 12 Accuracy and sensitivity be not less than the accuracy and sensitivity of pressure type weighing sensor I 11, be provided in control cabinet 4 frequency converter with And PLC controller, motor 3 are electrically connected with frequency converter, regulating valve I 7, regulating valve II 8, regulating valve III 9, regulating valve IV 10 are electricity It is dynamic to control to adjust valve, frequency converter, pressure type weighing sensor I 11, pressure type weighing sensor II 12, regulating valve I 7, regulating valve II 8, regulating valve III 9, regulating valve IV 10 are electrically connected PLC controller.
When specifically used, controller sets 6 weighing value of thick 5 rapid weighing value of weighing hopper and smart weighing hopper automatically, opens and adjusts Valve I 7, regulating valve II 8 and regulating valve IV 10 are saved, regulating valve III 9 is closed, starts frequency converter and motor 3, motor 3 drives spiral The quickly feed operating of conveyer 2, material flows into thick weighing hopper 5 through smart weighing hopper 6, is slightly measured, when the metering of thick weighing hopper 5 When value reaches setting value, frequency converter frequency is reduced, and screw conveyor 2 is fed at a slow speed, and regulating valve II 8 is closed at this time, carries out essence Metering, when the variable of smart weighing hopper 6 reaches setting value, frequency converter is out of service, and screw conveyor 2 stops feed, and this When regulating valve I 7 close, controller calculates the general name magnitude of thick weighing hopper 5 and smart weighing hopper 6, when general name magnitude claims with target When magnitude is equal, regulating valve II 8 and regulating valve III 9 are opened, smart weighing hopper 6 and the thick discharging simultaneously of weighing hopper 5, a complete meter Amount process is completed.
The above is only the preferred embodiment of the utility model only, but is not intended to limit the utility model, it is all It is practical new to should be included in this for made any modifications, equivalent replacements, and improvements etc. within the spirit and principles of the utility model Within the protection scope of type.

Claims (9)

1. a kind of metering device, including feed bin, conveyer, control cabinet, thick weighing hopper, smart weighing hopper, the conveyer input terminal It is connected to the motor, it is characterised in that: inlet port and outlet port are provided on the conveyer, feed inlet is connected with the feed bin, The discharge port is connected with the smart weighing hopper, and is provided with regulating valve I between the discharge port and the smart weighing hopper, described The discharge port of smart weighing hopper is connected with the thick weighing hopper, and the essence weighing hopper lower end is provided with regulating valve II, the essence metering Weighing sensor II is provided on bucket, the thick weighing hopper lower end is provided with regulating valve III, is provided with title on the thick weighing hopper Sensor I is retransmitted, the range of the weighing sensor I is greater than the range of the weighing sensor II, is provided in the control cabinet Frequency converter and controller, the motor are electrically connected with the frequency converter, the frequency converter, weighing sensor I, weighing sensor II, regulating valve I, regulating valve II and regulating valve III are electrically connected the controller.
2. a kind of metering device according to claim 1, it is characterised in that: the conveyer is screw conveyor.
3. a kind of metering device according to claim 1, it is characterised in that: the capacity of the thick weighing hopper is greater than the essence The capacity of weighing hopper.
4. a kind of metering device according to claim 1, it is characterised in that: the regulating valve I, the regulating valve II and institute Stating regulating valve III is Electronic control regulating valve.
5. a kind of metering device according to claim 1, it is characterised in that: the controller is PLC controller.
6. a kind of metering device according to claim 1, it is characterised in that: between the discharge port and the smart weighing hopper Flexible connection.
7. a kind of metering device according to claim 1, it is characterised in that: the precision of the weighing sensor II and sensitive Degree is not less than the accuracy and sensitivity of the weighing sensor I.
8. a kind of metering device according to claim 1, it is characterised in that: the weighing sensor I and weighing sensor II is pressure type weighing sensor.
9. a kind of metering device according to claim 1, it is characterised in that: be arranged between the feed inlet and the feed bin There is regulating valve IV, the regulating valve IV is Electronic control regulating valve, and the regulating valve IV is electrically connected the controller.
CN201920771341.7U 2019-05-27 2019-05-27 A kind of metering device Active CN209727227U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920771341.7U CN209727227U (en) 2019-05-27 2019-05-27 A kind of metering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920771341.7U CN209727227U (en) 2019-05-27 2019-05-27 A kind of metering device

Publications (1)

Publication Number Publication Date
CN209727227U true CN209727227U (en) 2019-12-03

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CN (1) CN209727227U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110182608A (en) * 2019-05-27 2019-08-30 许昌德通混凝土产业技术研究院有限公司 Metering device and metering method
CN113245184A (en) * 2021-05-14 2021-08-13 江苏神农灭菌设备股份有限公司 Powder dynamic drying sterilization screening plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110182608A (en) * 2019-05-27 2019-08-30 许昌德通混凝土产业技术研究院有限公司 Metering device and metering method
CN113245184A (en) * 2021-05-14 2021-08-13 江苏神农灭菌设备股份有限公司 Powder dynamic drying sterilization screening plant

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