CN112610896A - Macro-micro quantitative feeding device for high-viscosity trace components on lining - Google Patents
Macro-micro quantitative feeding device for high-viscosity trace components on lining Download PDFInfo
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- CN112610896A CN112610896A CN202011457952.8A CN202011457952A CN112610896A CN 112610896 A CN112610896 A CN 112610896A CN 202011457952 A CN202011457952 A CN 202011457952A CN 112610896 A CN112610896 A CN 112610896A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
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Abstract
The invention relates to a macro-micro quantitative feeding device for high-viscosity trace components on a lining, which comprises a high-precision balance, a feeding container, a pipeline conveying system, a control system, a balancing weight and a carrier seat, wherein the feeding container, the pipeline conveying system, the control system, the balancing weight and the carrier seat are arranged on the high-precision balance; the pipeline conveying system is used for conveying the high-viscosity liquid pumped out of the feeding container to a corresponding position; the control system is used for adjusting the working states of the valve and the pump body according to the state requirements; the balancing weight is used for balancing the weight on the whole carrier seat to ensure the position of the mass center. The invention can ensure high-precision delivery of high-viscosity trace components, has wide application range and has smaller size.
Description
Technical Field
The invention relates to a servo quantitative conveying mechanism, in particular to a macro-micro quantitative feeding device for high-viscosity trace components on a lining.
Background
At present, the fine feed of the high-viscosity trace component of the lining is mainly applied to the aspects of industrial production and process treatment of the lining of the solid rocket engine. Designed for continuous delivery of water and discrete volume aqueous solutions, solvents, methanol, oils, lubricants, adhesives, inks and paints, and other high viscosity liquids. Quantitative handling of high viscosity liquids is difficult and faces many problems.
Firstly, the output quantity of the trace amount of the high-viscosity liquid cannot be accurately obtained by a single measurement mode; secondly, due to the micro-high viscosity, the loss is large, and the resolution and the precision are low; thirdly, a minute amount of liquid cannot be accurately discharged.
The current feeding device cannot meet the accurate requirement of trace liquid output and cannot meet more and more adaptive scenes.
Disclosure of Invention
The technical problem of the invention is solved: in view of the above problems, the present invention provides a macro-micro quantitative feeding device for high viscosity trace components in a liner, which can realize high-speed quantitative feeding of trace high viscosity liquid, is suitable for various occasions, and has high practical value.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dosing device for a high viscosity micro component of a liner comprising: a high-precision balance, a feeding container, a pipeline conveying system, a control system, a balancing weight and a carrier seat which are arranged on the high-precision balance,
the pipeline conveying system, the control system and the balancing weight are arranged on the periphery of the carrier seat, the feeding container is arranged in the middle of the carrier seat, and the feeding container, the pipeline conveying system, the control system, the balancing weight and the carrier seat are all arranged on the high-precision balance for weighing;
the pipeline conveying system is used for conveying the high-viscosity liquid pumped out of the feeding container to a corresponding position;
the control system is used for adjusting the working states of the valve and the pump body according to the state requirements;
the balancing weight is used for balancing the weight on the whole carrier seat to ensure the position of the mass center;
the feed vessel is maintained open to the outside atmosphere by means of a scavenging valve.
Furthermore, the pipeline conveying system comprises a precision motor, a speed reducer, a micro gear pump, a one-way valve, an overflow valve, a pump flow valve block, a direct-acting electromagnetic valve, a feeding valve block, a high-precision flowmeter, a two-position three-way electromagnetic valve, a scavenging valve, an injection needle and a micro injection needle,
the precision motor, the reducer and the micro gear pump are connected through a pump flow valve block; the one-way valve, the overflow valve and the direct-acting electromagnetic valve are connected, and the overflow liquid can flow back to the feeding container through the cooperation with the backflow channel of the pump flow valve block.
Furthermore, a liquid pumping and refluxing system is composed of a feeding container, a precision motor, a reducer, a micro gear pump, a one-way valve, an overflow valve and a pump flow valve block,
the precise motor, the speed reducer, the micro gear pump, the one-way valve and the overflow valve work through the control system, liquid is firstly pumped out of the feeding container, then enters the one-way valve and the overflow valve through one channel of the pump flow valve block and is continuously transported backwards, and the liquid flows back to the feeding container through the other channel of the pump flow valve block after passing through the overflow valve.
Furthermore, the high-precision flow meter is connected with the direct-acting electromagnetic valve above through a pipeline and is connected with the two-position three-way electromagnetic valve behind, so that high-precision flow monitoring of flowing liquid is realized.
Further, two three way solenoid valve pass through the pipeline and link to each other with preceding high accuracy flowmeter, link to each other with syringe needle and the microinjection needle at back, the liquid that flows out high accuracy flowmeter realizes the switching of big or small flow through two three way solenoid valve, and large-traffic inflow syringe needle, the microinjection needle is flowed in to the low flow, realizes the accurate control of flow.
Further, the control system comprises a driver, a communication module, a valve control module, a sensor module and a power supply module,
after the material signal is sent out, the driver drives the motor and the valve through the control system to execute corresponding actions, and data receipt and feedback are respectively carried out through the sensor module and the communication module;
the driver is used for adjusting the working state of the precision motor,
the valve control module realizes the adjustment of the valve through the signal intercommunication with the communication module, the sensor module comprises a flow sensor and a weight sensor, and the sensor module is connected with the communication module and the power supply module to measure the flow and the weight.
Further, the sensor module and the communication module form a detection module for accurate detection of flow and weight, the flow sensor carries out accurate detection on flowing liquid through the high-precision flowmeter, and the weight sensor carries out differential weighing on the whole weight of the feeding container, the pipeline conveying system, the control system, the balancing weight and the carrier seat arranged on the weight sensor through the high-precision balance.
Furthermore, the high-precision balance, the feeding container, the pipeline conveying system, the control system, the balancing weight and the carrier seat which are arranged on the high-precision balance form a weight detection system, and the balancing weight on the carrier seat is used for balancing the weight on the high-precision balance to change the position of the center of gravity, so that the high-precision balance is in a balanced state.
Furthermore, the scavenging valve and the pipeline connected with the atmosphere and the feeding container form a scavenging system, and the scavenging valve can be controlled to be opened and closed in the non-working stage, so that the air pressure is ensured to be communicated with the atmosphere in the working process.
Furthermore, the high-precision flowmeter and the two-position three-way electromagnetic valve are used for receiving liquid flowing out of the direct-acting electromagnetic valve, the high-precision flowmeter can perform high-precision flow measurement, and the output flow is controlled through the feeding valve block.
The invention has the advantages and positive effects that:
(1) the servo quantitative conveying mechanism is matched with the high-precision electronic balance, and the feeding amount is accurately controlled by adopting on-line real-time feedback; the precise measurement of the high-precision flowmeter in the middle of the pipeline conveying system is combined with the high-precision differential weight detection of the electronic balance, so that the detection precision is improved, and the loss caused by the high viscosity characteristic of the liquid is reduced;
(2) the injection needle and the micro injection needle can realize large-flow output at the beginning stage and subsequent micro compensation by the accurate control of the two-position three-way electromagnetic valve, thereby further realizing the precision and reliability of quantitative output;
(3) the high-precision motor and the micro gear pump can select proper output parameters according to output quantification, and the high-precision micro pump covers the flow range of 0.048-288 ml/min, is suitable for micro conveying in most occasions and has smaller size;
(4) the invention can realize high-progress quantitative feeding of trace high-viscosity liquid, is suitable for various occasions, and has higher practical value.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is an isometric view of the present invention FIG. 1;
FIG. 3 is an isometric view of the present invention;
FIG. 4 is an isometric view of the present invention FIG. 3;
FIG. 5 is a front view of the present invention;
fig. 6 is an enlarged view of fig. 5 at point i.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present invention provides a quantitative feeding device for high viscosity microelements in a liner, which comprises a high precision balance 5, a feeding container 3, a pipeline conveying system 1, a control system 6, a balancing weight 2 and a carrier seat 4, wherein the feeding container 3, the pipeline conveying system 1, the control system 6 and the balancing weight 2 are arranged on the high precision balance 5, the pipeline conveying system 1, the control system 6 and the balancing weight 2 are arranged around the carrier seat 4, the feeding container 3 is arranged in the middle of the carrier seat 4, and the feeding container 3, the pipeline conveying system 1, the control system 6, the balancing weight 2 and the carrier seat 4 are all arranged on the high precision balance 5 for weighing; the pipeline conveying system 1 is used for conveying high-viscosity liquid pumped from a feeding container 3 to a corresponding position;
the control system 6 is used for adjusting the working states of the valve and the pump body according to the state requirements; the balancing weight 2 is used for balancing the weight on the whole carrier seat 4 to ensure the position of the mass center; the scavenging valve 20 is used for maintaining the feed container 3 to be communicated with the outside atmosphere, so that the pressure in the feed container 3 is communicated with the atmosphere in the whole working process, the working state is not isolated from the outside, and the influence on the quality due to long-time contact with the outside is avoided.
As shown in fig. 1, the pipeline transportation system 1 includes a precision motor 11, a reducer 12, a micro gear pump 13, a one-way valve 14, an overflow valve 15, a pump flow valve block 17, a direct-acting solenoid valve 16, a feeding valve block 18, a high-precision flow meter 19, a two-position three-way solenoid valve 21, a scavenging valve 20, an injection needle 22 and a micro injection needle 23, wherein the precision motor 11, the reducer 12 and the micro gear pump 13 are connected through the pump flow valve block 17; the check valve 14, the overflow valve 15 and the direct-acting electromagnetic valve 16 are connected and matched with a return channel of a pump flow valve block 17, so that overflowed liquid can flow back to the feeding container 3;
the high-precision flow meter 19 and the two-position three-way electromagnetic valve 21 receive liquid flowing out of the direct-acting electromagnetic valve 16, the high-precision flow meter 19 can carry out high-precision flow measurement, and the feeding valve block 18 controls the output flow to be respectively connected with the injection needle 22 and the micro-injection needle 23 so as to realize large-flow quick output and trace allowance compensation to realize accurate quantitative output.
As shown in fig. 2, the liquid pumping and returning system includes a feeding container 3, a precision motor 11, a reducer 12, a micro gear pump 13, a check valve 14, an overflow valve 15 and a pump flow valve block 17, and the control system 6 enables the precision motor 11, the reducer 12, the micro gear pump 13, the check valve 14 and the overflow valve 15 to work, so that liquid is pumped out from the feeding container 3 first, enters the check valve 14 and the overflow valve 15 through one channel of the pump flow valve block 17 and is transported backwards continuously, when liquid flows back to the feeding container 3 from the overflow valve 15 through the other channel of the pump flow valve block 17, the liquid can be returned to the feeding container when the work is stopped and the liquid overflows, and the recycling is realized.
As shown in fig. 3, the high-precision flow meter 19 is connected to the upper direct-acting solenoid valve 16 through a pipeline and is connected to the rear two-position three-way solenoid valve 21, and the high-precision flow meter 19 can perform high-precision flow monitoring on the liquid flowing through.
As shown in fig. 3, the two-position three-way electromagnetic valve 21 is connected to the front high-precision flowmeter 19 through a pipeline, and is connected to the rear injection needle 22 and the micro-injection needle 23, so that the liquid flowing out of the high-precision flowmeter 19 is switched between a large flow and a small flow through the two-position three-way electromagnetic valve 21, the large flow flows into the injection needle 22, the small flow flows into the micro-injection needle 23, and the precise control of the flow is realized.
As shown in fig. 4, the control system 6 includes a driver 61, a communication module 62, a valve control module 63, a sensor module 64, and a power module 65, after the material signal is sent, the control system 6 enables the driver 61 to drive the motor and the valve to execute corresponding actions, and the communication module 62 and the sensor module 64 perform data receipt and feedback. The driver 61 is used for adjusting the working state of the precision motor 11, the valve control module 63 is used for adjusting the valve through signal communication with the communication module 62, and the sensor module 64 comprises a flow sensor and a weight sensor which are connected with the communication module 62 and the power module 65 for measuring the flow and the weight.
As shown in fig. 1, the detection module includes accurate detection of flow and weight, the flow detection module carries out accurate detection to the liquid that flows through high-precision flowmeter 19, and the weight detection module, through high-precision balance 5, is used for carrying out the difference weighing to its holistic weight to feeding container 3, pipe-line conveying system 1, control system 6, balancing weight 2 and carrier seat 4 that set up above that.
As shown in fig. 1, the weight detecting system includes a high-precision balance 5, and a feeding container 3, a pipeline conveying system 1, a control system 6, a balancing weight 2, and a carrier base 4 disposed thereon. The balancing weight 2 on the carrier seat 4 is used for balancing the weight on the high-precision balance 5, changing the position of the center of gravity and being in a balanced state.
As shown in fig. 5-6, the ventilation system comprises a ventilation valve 20 and a pipeline connected with the atmosphere and the feeding container 3, the ventilation system comprises the feeding container 3, the precision motor 11, the reducer 12, the micro gear pump 13, the one-way valve 14, the overflow valve 15 and the pump flow valve block 17 in the liquid extraction and backflow system, the liquid extraction and backflow are realized through the modules, the air pressure can be ensured to be communicated with the atmosphere in the working process by controlling the on-off of the ventilation valve 20, and the quality can not be influenced by too long contact time with the air in the non-working stage.
The working principle of the invention is as follows:
the invention provides a quantitative feeding device for high-viscosity trace components on a lining, which enables corresponding motors and valves to realize certain actions through the receiving and processing of signals by a control system, and realizes the trace quantitative feeding of high-viscosity liquid. The pipeline conveying system is used for conveying the high-viscosity liquid pumped out of the feeding container to a corresponding position, and the overflowed liquid is driven to return to the feeding container through the overflow valve and the pump flow valve; a high-precision flow detector is arranged in the middle of the pipeline, and accurate trace quantitative output is realized through the mutual matching of flow detection and a high-precision balance; wherein the balancing weight is used for balancing the weight on the whole carrier seat to ensure the position of the mass center; the scavenging valve is used for maintaining the feed container to be communicated with the outside atmosphere, so that the pressure in the feed container is communicated with the atmosphere in the whole working process, the working state is not isolated from the outside, and the influence on quality due to long-time contact with the outside is avoided. The high precision micro pump covers a flow range of 0.048-288 ml/min. The micropump belongs to high-precision low-pulsation fluid, can be used for micro-delivery, and enables the product to have a wide viscosity application range and a small size.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A dosing device for high viscosity micro-ingredients in a liner, comprising: a high-precision balance (5), a feeding container (3) arranged on the high-precision balance (5), a pipeline conveying system (1), a control system (6), a balancing weight (2) and a carrier seat (4),
the pipeline conveying system (1), the control system (6) and the balancing weight (2) are arranged on the periphery of the carrier seat (4), the feeding container (3) is arranged in the middle of the carrier seat (4), and the feeding container (3), the pipeline conveying system (1), the control system (6), the balancing weight (2) and the carrier seat (4) are all arranged on the high-precision balance (5) for weighing;
the pipeline conveying system (1) is used for conveying the high-viscosity liquid pumped from the feeding container (3) to a corresponding position;
the control system (6) is used for adjusting the working states of the valve and the pump body according to the state requirements;
the balancing weight (2) is used for balancing the weight on the whole carrier seat (4) to ensure the position of the mass center;
the feed vessel (3) is maintained open to the outside atmosphere by means of a scavenging valve (20).
2. The dosing device for high viscosity micro components in a liner according to claim 1, wherein the pipe conveying system (1) comprises a precision motor (11), a reducer (12), a micro gear pump (13), a one-way valve (14), an overflow valve (15), a pump flow valve block (17), a direct-acting solenoid valve (16), a feeding valve block (18), a high precision flow meter (19), a two-position three-way solenoid valve (21), a scavenging valve (20), an injection needle (22) and a micro injection needle (23),
the precision motor (11), the reducer (12) and the micro gear pump (13) are connected through a pump flow valve block (17); the one-way valve (14), the overflow valve (15) and the direct-acting electromagnetic valve (16) are connected, and the overflow liquid can flow back to the feeding container (3) through the cooperation with a return channel of a pump flow valve block (17).
3. The dosing device for high viscosity microelements in a liner according to claim 2, characterized in that the feeding container (3), the precision motor (11), the reducer (12), the micro gear pump (13), the one-way valve (14), the overflow valve (15) and the pump flow valve block (17) constitute a liquid pumping and refluxing system,
through a control system (6), a precision motor (11), a speed reducer (12), a micro gear pump (13), a one-way valve (14) and an overflow valve (15) work, liquid is firstly pumped out from a feeding container (3), then enters the one-way valve (14) and the overflow valve (15) through one channel of a pump flow valve block (17), and is continuously transported backwards, and after passing through the overflow valve (15), the liquid flows back to the feeding container (3) through the other channel of the pump flow valve block (17).
4. The device for dosing high-viscosity microcomponents in a liner as claimed in claim 2, characterized in that a high-precision flowmeter (19) is connected by means of a pipe to the upper direct-acting solenoid valve (16) and to the latter two-position three-way solenoid valve (21) for the purpose of monitoring the flow of the liquid flowing through with high precision.
5. The dosing device for high-viscosity trace components in the lining of claim 2, wherein a two-position three-way electromagnetic valve (21) is connected with a front high-precision flowmeter (19) through a pipeline and is connected with a rear injection needle (22) and a trace injection needle (23), the liquid flowing out of the high-precision flowmeter (19) is switched in large and small flow through the two-position three-way electromagnetic valve (21), the large flow flows into the injection needle (22), the small flow flows into the trace injection needle (23), and the precise control of the flow is realized.
6. The dosing device of high viscosity micro components in liners according to claim 1, wherein the control system (6) comprises a driver (61), a communication module (62), a valve control module (63), a sensor module (64) and a power module (65),
after the material signal is sent out, the driver (61) drives the motor and the valve through the control system (6) to execute corresponding actions, and a sensor module (64) and a communication module (62) are used for respectively receiving and feeding back data;
the driver (61) is used for adjusting the working state of the precision motor (11),
the valve control module (63) realizes the adjustment of the valve through the signal intercommunication with the communication module (62),
the sensor module (64) comprises a flow sensor and a weight sensor, and the sensor module (64) is connected with the communication module (62) and the power supply module (65) to measure the flow and the weight.
7. A dosing device for high viscosity micro-ingredients of a liner according to claim 6,
sensor module (64) and communication module (62) constitute detection module for the accurate detection of flow and weight, flow sensor carries out accurate detection to the liquid that flows through high accuracy flowmeter (19), and weighing transducer passes through high accuracy balance (5), carries out the difference to the holistic weight of feed container (3), pipeline conveying system (1), control system (6), balancing weight (2) and carrier seat (4) that set up above that and weighs.
8. The quantitative feeding device for high-viscosity micro-components on a liner according to claim 7, wherein the high-precision balance (5) and the feeding container (3), the pipeline conveying system (1), the control system (6), the balancing weight (2) and the carrier seat (4) arranged on the high-precision balance form a weight detection system, and the balancing weight (2) on the carrier seat (4) is used for balancing the weight on the high-precision balance (5) to change the position of the center of gravity, so that the high-precision balance (5) is in a balanced state.
9. A dosing device for high viscosity microcomponents in accordance with claim 3, characterized in that the scavenging valve (20) and the conduits connected to the atmosphere and to the dosing container (3) form a scavenging system, which is closed during operation by opening and closing the scavenging valve (20) so as to ensure that the gas pressure is vented to the atmosphere during operation.
10. The apparatus for quantitatively feeding high viscosity trace components to the liners of claim 2, wherein the high precision flow meter (19) and the two-position three-way solenoid valve (21) receive the liquid flowing out from the direct-acting solenoid valve (16), the high precision flow meter (19) can perform high precision flow measurement, and the magnitude of the output flow is controlled by the feeding valve block (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011457952.8A CN112610896B (en) | 2020-12-10 | 2020-12-10 | Macro-micro quantitative feeding device for high-viscosity trace components on lining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011457952.8A CN112610896B (en) | 2020-12-10 | 2020-12-10 | Macro-micro quantitative feeding device for high-viscosity trace components on lining |
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| CN112610896A true CN112610896A (en) | 2021-04-06 |
| CN112610896B CN112610896B (en) | 2022-04-12 |
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| CN102464291A (en) * | 2010-11-17 | 2012-05-23 | 北京航天发射技术研究所 | Ground direct and quantitative filling system and method |
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| US20130032244A1 (en) * | 2011-08-02 | 2013-02-07 | Dedoes Industries, Inc. | Paint formulation and dispensing apparatus |
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