CN208359160U - Polyurethane mixing equipment high-precision measuring device - Google Patents
Polyurethane mixing equipment high-precision measuring device Download PDFInfo
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- CN208359160U CN208359160U CN201820883361.9U CN201820883361U CN208359160U CN 208359160 U CN208359160 U CN 208359160U CN 201820883361 U CN201820883361 U CN 201820883361U CN 208359160 U CN208359160 U CN 208359160U
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- cylinder barrel
- controlled valve
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- metering cylinder
- mixing equipment
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Abstract
The utility model relates to polyurethane mixing equipment fields, more particularly to a kind of polyurethane mixing equipment high-precision measuring device, the difference is that: it includes the auxiliary material metering cylinder system measured to auxiliary material and the metering valve group for controlling mixing tank charging, and metering valve group includes: main charging electrically-controlled valve, finishing material electrically-controlled valve and adjustable throttling；The main charging electrically-controlled valve and finishing material electrically-controlled valve are connected in parallel, and one end that the two is connected in parallel is connected with the outlet end of auxiliary material metering cylinder system, and the other end is connected with the arrival end of mixing tank；The adjustable throttling is series at finishing material electrically-controlled valve for adjusting the charging rate of finishing material electrically-controlled valve.The utility model ensure that charging rate, improve measuring accuracy.
Description
Technical field
The utility model relates to polyurethane mixing equipment field more particularly to a kind of polyurethane mixing equipment high-precision measurings
Device.
Background technique
Currently, with the fast development of current China's polyurethane industries among others, to urethane raw in mixing every kind of auxiliary material
Measuring accuracy require it is higher and higher, how on mixing equipment, be able to achieve it is accurate, stable, efficiently control various component raw materials
Measuring accuracy, be need to arrive at present solve technological difficulties；
Previous mixing equipment is to be carried out by electronic scale and proportioning valve or flowmeter to the various micro auxiliary materials in raw material
Metering, since the measuring accuracy of electronic scale is often affected by the external environment larger such as extraneous vibration, environment temperature, wet
Degree etc., be easy to cause electronic scale measuring accuracy unstable in process of production, measures especially for the auxiliary material of accuracy to 1g, one
As the resolution ratio of electronic scale be extremely difficult to, even if in the industrial production, workshop condition is also difficult full using the electronic scale of day sane level
Foot requires；Using the metering of flowmeter, can by pipeline air and material viscosity, density variation and change, flowmeter
Often there is deviation in show value and actual metered value, to influence mixing precision；By both the above metering method to poly- ammonia
Micro auxiliary material in ester raw material is measured, and can all have that measuring accuracy is unstable, is blended the urethane raw come in this way and is matched
It is more inaccurate than often, to influence the foaming effect of raw material, cause a large amount of wastage of material；
In consideration of it, to overcome the above technological deficiency, providing a kind of polyurethane mixing equipment high-precision measuring device becomes this
Field urgent problem to be solved.
Summary of the invention
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of polyurethane mixing equipment high-precision meter
Device is measured, ensure that charging rate, and improve measuring accuracy.
In order to solve the above technical problems, the technical solution of the utility model are as follows: polyurethane mixing equipment high-precision measuring dress
It sets, the difference is that: it includes the auxiliary material metering cylinder system measured to auxiliary material and the meter for controlling mixing tank charging
Valve group is measured, metering valve group includes: main charging electrically-controlled valve, finishing material electrically-controlled valve and adjustable throttling；The main charging electrically-controlled valve and
Finishing material electrically-controlled valve is connected in parallel, and one end that the two is connected in parallel is connected with the outlet end of auxiliary material metering cylinder system, the other end
It connects with the arrival end of mixing tank；The adjustable throttling is series at finishing material electrically-controlled valve for adjusting adding for finishing material electrically-controlled valve
Expect speed.
By above scheme, auxiliary material metering cylinder system include: the multiple cylinder barrel inlet valves for being connected to auxiliary material holding vessel,
It is connected to the multiple metering cylinder barrels, the Ventilated cap at the top of metering cylinder barrel and the liquid for controlling feed supplement height of cylinder barrel inlet valve
Bit switch, for measuring liquid level variation to obtain differential pressure pickup that auxiliary material calculates the weight, be connected to metering cylinder barrel bottom
The blowing pipeline of outlet end is connected to the test that metering cylinder barrel outlet at bottom end is used for Accurate Calibration differential pressure pickup detection parameters
Valve.
By above scheme, one end that the main charging electrically-controlled valve and finishing material electrically-controlled valve are connected in parallel is connected by blowing pipeline
It is connected to metering cylinder barrel outlet at bottom end.
By above scheme, the cylinder of the metering cylinder barrel is cylindrical shape, and bottom is pyramidal structure.
By above scheme, the multiple metering cylinder barrel height is identical.
By above scheme, the metering cylinder barrel height is 800~1200mm.
By above scheme, the metering cylinder barrel has the diameter of different size.
By above scheme, the diameter of the metering cylinder barrel is respectively 32,50,65,80,100,250mm.
By above scheme, the utility model is passed using main charging electrically-controlled valve, finishing material electrically-controlled valve, adjustable throttling and pressure difference
Sensor matches, and is that main charging electrically-controlled valve and finishing material electrically-controlled valve open simultaneously when starting charging, feeds adding near setting
When expecting weight, main charging electrically-controlled valve is closed, finishing material electrically-controlled valve is kept it turning on, and automatically controlled by adjustable throttling adjusting finishing material
The charging rate of valve realizes accurate charging；The utility model both can guarantee charging rate, can also realize accurate charging；Each component
Raw material is stable, accurately and accurately measures and mixes, and blends the urethane raw proportion speed come, and foaming effect is good.
Detailed description of the invention
Fig. 1 is the utility model embodiment overall structure diagram；
Fig. 2 is part A enlarged structure schematic diagram in Fig. 1；
Fig. 3 is part B enlarged structure schematic diagram in Fig. 1；
Fig. 4 is the overall structure diagram of polyurethane mixing equipment；
Wherein: 1- auxiliary material measures cylinder system, and (101- cylinder barrel inlet valve, 102- measure cylinder barrel, 103- Ventilated cap, 104- liquid
Bit switch, 105- differential pressure pickup, 106- blowing pipeline, 107- test valve), 2- metering valve group (the main charging electrically-controlled valve of 201-,
202- finishing material electrically-controlled valve, 203- adjustable throttling), 3- auxiliary material holding vessel, 4- mixing tank.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically
Embodiment is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only used to solve
The utility model is released, is not used to limit the utility model.
Hereinafter, many aspects of the utility model will be more fully understood with reference to attached drawing.Component in attached drawing may not
It is drawn to scale.Alternatively, it is preferred that emphasis is clearly demonstrate the component of the utility model.In addition, several views in the accompanying drawings
In figure, identical appended drawing reference indicates corresponding part.
Word " exemplary " as used herein or " illustrative " expression are used as example, example or explanation.It retouches herein
Stating any embodiment for " exemplary " or " illustrative " to be not necessarily to be construed as is preferred relative to other embodiment or has
Benefit.All embodiments described below are illustrative embodiments, and providing these illustrative embodiments is to make
Those skilled in the art are obtained to make and use embodiment of the disclosure and be expected to be not intended to limit the scope of the present disclosure, the disclosure
Range is defined by the claims.In other embodiments, well known feature and method is described in detail so as not to obscure this
Utility model.For purpose described herein, term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal" and
Its derivative words is related by the utility model oriented with such as Fig. 1.Moreover, have no intent to by above technical field, background technique,
Any theoretical limitation expressed or implied provided in summary of the invention or detailed description below.It should also be clear that being shown in the accompanying drawings
It is that the utility model limited in the following claims is conceived with specific device described in following discussion book and process
Simple examples embodiment.Therefore, specific size relevant to presently disclosed embodiment and other physical features should not be by
It is construed as limiting, unless claims are separately clearly stated.
Please refer to figs. 1 to 4, and the utility model is a kind of polyurethane mixing equipment high-precision measuring device comprising: it is right
The auxiliary material metering cylinder system 1 and control the metering valve group 2 that mixing tank 4 feeds that auxiliary material is measured, the metering valve group 2 is wrapped
It includes: main charging electrically-controlled valve 201, finishing material electrically-controlled valve 202 and adjustable throttling 203；The main charging electrically-controlled valve 201 and finishing material
Electrically-controlled valve 202 is connected in parallel, and the outlet end of one end that the two is connected in parallel and auxiliary material metering cylinder system 1 connect, the other end and
The arrival end of mixing tank 4 is connected；It is automatically controlled for adjusting finishing material that the adjustable throttling 203 is series at finishing material electrically-controlled valve 202
The charging rate of valve 202；
Auxiliary material metering cylinder system 1 includes: the multiple cylinder barrel inlet valves 101 for being connected to auxiliary material holding vessel 3, is connected to cylinder barrel
Inlet valve 101 and bottom are cylindric multiple metering cylinder barrels 102 of pyramidal structure, set on the ventilative of 102 top of metering cylinder barrel
Cap 103 and liquid-level switch 104 for controlling feed supplement height are calculated the weight with obtaining auxiliary material for measuring liquid level variation
Differential pressure pickup 105, the blowing pipeline 106 for being connected to metering 102 outlet at bottom end of cylinder barrel are connected to metering 102 bottom of cylinder barrel
Outlet end is used for the test valve 107 of 105 detection parameters of Accurate Calibration differential pressure pickup；According to every kind of auxiliary material in mixture recipes
Ratio and addition weight, metering 102 diameter of cylinder barrel will be different, and therefore, multiple 102 height of metering cylinder barrel are identical, highly be
800~1200mm；And there is the diameter of a variety of different sizes, in the utility model embodiment, metering 102 height of cylinder barrel is
1000mm, diameter are respectively 32,50,65,80,100,250mm；The auxiliary material measured in cylinder barrel 102 is added by gravity to mixing tank 4
Material, metering cylinder barrel 102 are full of always raw material at work, and when the every amalgamation batch raw material of system, auxiliary material is put into certain weight and arrives
After mixing tank 4, cylinder barrel inlet valve 101 can be automatically opened, supplements raw material, the supplement height of each raw material passes through liquid-level switch 104
Control, when auxiliary material in auxiliary material holding vessel 3 from when adding in metering cylinder barrel 102, the liquid-level switch 104 at top senses signal,
Cylinder barrel inlet valve 101 is automatically closed, metering cylinder barrel 102 fills raw material, waits next batch mixing blowing；It measures in cylinder barrel 102
Raw material liquid level by high-precision differential pressure pickup 105 measure, differential pressure pickup 105 use gravity principle, to measure
Measure the liquid level variation in cylinder barrel 102, when sensor measurement to the liquid level of metering cylinder barrel 102 change, can
It is transferred to electric-control system PLC by 4-20mA signal, PLC can measure the straight of cylinder barrel 102 automatically by the material density of setting
Diameter, to calculate the charge weight of every kind of raw material；The gravity detection parameters of differential pressure pickup 105 can be by being mounted on metering cylinder barrel
The test valve 107 of 102 bottoms releases certain raw material, after being weighed, reduces weight with the raw material that differential pressure pickup 105 detects
It compares, realizes Accurate Calibration；
Metering 2 one end of valve group is connect with auxiliary material metering cylinder system 1, and the other end is connect with mixing tank 4；Measure valve group 2
Main charging electrically-controlled valve 201, finishing material electrically-controlled valve 202 and adjustable throttling 203, are mainly used for cooperating essence with differential pressure pickup 105
Really control the precision to feed every time to mixing tank 4；One end that main charging electrically-controlled valve 201 and finishing material electrically-controlled valve 202 are connected in parallel
It is connected to metering 102 outlet at bottom end of cylinder barrel by blowing pipeline 106, it is first when feeding every time from metering cylinder barrel 102 into mixing
Former head's charging electrically-controlled valve 201 and finishing material electrically-controlled valve 202 open simultaneously, the rapid loading into mixing tank 4, when charge weight is close
When the charge weight of setting, at this point, main charging electrically-controlled valve 201 is closed, finishing material electrically-controlled valve 202 kept it turning on, at this time plus
Material speed can be adjusted by adjustable throttling 203, realize accurate charging；Since the viscosity of different material, density have differences,
Flow velocity also can be different, and the regulated value of throttle valve can also have any different, and after a certain auxiliary material charging precision regulates, can keep
It is constant；
The advantages of the utility model are as follows: the utility model is using main charging electrically-controlled valve 201, finishing material electrically-controlled valve 202, adjustable
Throttle valve 203 is matched with differential pressure pickup 105, instead of the electronic scale or flowmeter in previous mixing equipment, avoid because
Electronic scale caused by extraneous vibration, environment temperature, humidity etc. or the problem that flowmeter accuracy is unstable and resolution ratio is inadequate；
The metering valve group 2 of the utility model is that main charging electrically-controlled valve 201 and finishing material electrically-controlled valve 202 open simultaneously when starting charging,
Charging closes main charging electrically-controlled valve 201 when the charge weight of setting, and finishing material electrically-controlled valve 202 is kept it turning on, and passing through can
Flow regulating valve 203 adjusts the charging rate of finishing material electrically-controlled valve 202, realizes accurate charging；The utility model both can guarantee charging
Speed can also realize accurate charging；Each component raw material is stable, accurately and accurately mixes, and blends the urethane raw come and match
Than accurate, foaming effect is good.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as belonging to
In the protection scope of the utility model.
Claims (8)
1. polyurethane mixing equipment high-precision measuring device, characterized in that it comprises:
The auxiliary material measured to auxiliary material measures cylinder system；
Control the metering valve group of mixing tank charging comprising: main charging electrically-controlled valve, finishing material electrically-controlled valve and adjustable throttling；Institute
It states main charging electrically-controlled valve and finishing material electrically-controlled valve is connected in parallel, one end that the two is connected in parallel and auxiliary material measure going out for cylinder system
The series connection of mouth end, the other end are connected with the arrival end of mixing tank；The adjustable throttling is series at finishing material electrically-controlled valve for adjusting
The charging rate of finishing material electrically-controlled valve.
2. polyurethane mixing equipment high-precision measuring device according to claim 1, it is characterised in that: the auxiliary material metering
Cylinder system include: the multiple cylinder barrel inlet valves for being connected to auxiliary material holding vessel, the multiple metering cylinder barrels for being connected to cylinder barrel inlet valve,
Ventilated cap at the top of metering cylinder barrel and the liquid-level switch for controlling feed supplement height change for measuring liquid level to obtain
Auxiliary material calculate the weight differential pressure pickup, be connected to metering cylinder barrel outlet at bottom end blowing pipeline, be connected to metering cylinder barrel
Outlet at bottom end is used for the test valve of Accurate Calibration differential pressure pickup detection parameters.
3. polyurethane mixing equipment high-precision measuring device according to claim 2, it is characterised in that: the main charging electricity
One end that control valve and finishing material electrically-controlled valve are connected in parallel is connected to metering cylinder barrel outlet at bottom end by blowing pipeline.
4. polyurethane mixing equipment high-precision measuring device according to claim 2, it is characterised in that: the metering cylinder barrel
Cylinder be cylindrical shape, bottom be pyramidal structure.
5. polyurethane mixing equipment high-precision measuring device according to claim 2, it is characterised in that: the multiple metering
Cylinder barrel height is identical.
6. polyurethane mixing equipment high-precision measuring device according to claim 5, it is characterised in that: the metering cylinder barrel
Height is 800~1200mm.
7. polyurethane mixing equipment high-precision measuring device according to claim 5, it is characterised in that: the metering cylinder barrel
Diameter with different size.
8. polyurethane mixing equipment high-precision measuring device according to claim 7, it is characterised in that: the metering cylinder barrel
Diameter be respectively 32,50,65,80,100,250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820883361.9U CN208359160U (en) | 2018-06-08 | 2018-06-08 | Polyurethane mixing equipment high-precision measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820883361.9U CN208359160U (en) | 2018-06-08 | 2018-06-08 | Polyurethane mixing equipment high-precision measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208359160U true CN208359160U (en) | 2019-01-11 |
Family
ID=64928118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820883361.9U Active CN208359160U (en) | 2018-06-08 | 2018-06-08 | Polyurethane mixing equipment high-precision measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208359160U (en) |
-
2018
- 2018-06-08 CN CN201820883361.9U patent/CN208359160U/en active Active
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