CN106423726A - Method and device for quantitative coating - Google Patents

Method and device for quantitative coating Download PDF

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Publication number
CN106423726A
CN106423726A CN201610662930.2A CN201610662930A CN106423726A CN 106423726 A CN106423726 A CN 106423726A CN 201610662930 A CN201610662930 A CN 201610662930A CN 106423726 A CN106423726 A CN 106423726A
Authority
CN
China
Prior art keywords
packing element
pressure
medium
venturi nozzle
technique
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610662930.2A
Other languages
Chinese (zh)
Inventor
马丁·路透
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marco Systemanalyse und Entwicklung GmbH
Original Assignee
Marco Systemanalyse und Entwicklung GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marco Systemanalyse und Entwicklung GmbH filed Critical Marco Systemanalyse und Entwicklung GmbH
Publication of CN106423726A publication Critical patent/CN106423726A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1026—Valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
    • B05C11/101—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to weight of a container for liquid or other fluent material; responsive to level of liquid or other fluent material in a container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
    • B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0832—Modular valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
    • F16K31/007—Piezoelectric stacks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
    • G01F19/005—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups for semi-liquid, e.g. fat

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • General Physics & Mathematics (AREA)

Abstract

The invention relates to a method and device for quantitative coating, normal and quantitative coating of a flowable medium in a cartridge can be realized, and dripping can be prevented by the design of the device; the pressure applying by the medium is measured through the method and device, and the pressure is varied with the filling quantity.

Description

Quantitative coating technique and device
Technical field
The present invention relates to a kind of technique and device realizing quantitative gluing for flow media in packing element.
Background technology
The technique of quantitative gluing and device, for example, can be by polyurethane hot melt (so-called PU- PUR), from can-like, note The packing element quantitation gluing of emitter shape or other analogous shapes, the medium in packing element during this will be pressurized.In addition another Equipped with a metering valve, predetermined share (drop) can be extruded from packing element by described metering valve.
Content of the invention
It is a goal of the present invention to provide quantitative coating technique, to improve the dosing starting described vessel form herein Situation, with keep medium, quantitatively output is constant.
The present invention passes through features described below, and especially by the measurement to medium pressure applied, and described pressure Power also can with gluing during in packing element the change of loading and change, to realize this target.
By measuring the pressure suffered by packing element medium, in a more accurate way described pressure is controlled, so that energy Enough it is directed to different size of packing element, or the packing element emptying, the existing loading in packing element is accounted for.For example, right In different size packing element volume, need pressure applied on medium also different.Similarly, if requiring feeding coal to keep Stable, gradually empty with packing element, pressure applied has to mate therewith.
The advantageous embodiment of the present invention can find in specification, accompanying drawing and appended claims item.
Brief description
Fig. 1 is the schematic diagram of quantitative gluing device of the present invention.
Specific embodiment
According to an advantageous embodiment, by blocking the outlet of venturi (Venturi) nozzle, so that pressure passes through The negative port of Venturi nozzle acts on the method on medium, can be so that acting on medium after opening venturi nozzle outlet On pressure (superpressure) be converted into negative pressure, thus in a straightforward manner, make medium blocked by the negative pressure being applied In packing element.But when medium is applied with (just) pressure, because now flow is low, Venturi nozzle will not produce vacuum effect, Only when flow is big, nozzle act just can be intervened.
Another emphasis of the present invention is related to a kind of technique that can be used for flow media in retardance packing element, and this process can be right Medium in packing element applies negative pressure, to prevent medium from overflowing from packing element.The technological principle of similar type is generally well known, and uses Prevent medium from the favorite outer spilling of packing element during suspending gluing.Described technique can be additionally used in when packing element is changed, actual quantification Before glue process, prevent medium from surprisingly overflowing.For making medium controllably be maintained in packing element it is necessary to apply to the medium in packing element Plus the negative pressure of an allowed band relatively narrower.For example, for 30cm3The packing element of volume size and 1 to 1.3g/cm3Jie of density Matter it is desirable to negative pressure is necessary for 8 to 15mbar (depending on surface tension) to make medium be maintained at glue in the case of not water clock In cylinder.If negative pressure is too low, medium can overflow from packing element；If too high, air can be inhaled into packing element.
Another target of the present invention is to improve above-mentioned technique, so that during suspending gluing, or when changing packing element, reliably Prevent medium from overflowing from packing element.
Its solution is to measure the loading in packing element, then low pressure according to needed for the loading setting recording.Pass through Methods described, on the one hand, guarantee all to apply correct negative pressure to full up packing element and almost entirely empty packing element, in case medium water clock Enter in medium with air.It is also possible to when for example taking out the packing element of partially draining, according to loading, select both will not So that medium is overflowed from packing element, also will not admit air into the negative pressure force value of packing element.
The advantageous embodiment of the present invention can find in specification and appended claims.
Existing loading in packing element is recorded using liquid level sensor.Also can additionally or simultaneously, according to from filling completely The medium amount extruded in full packing element is determining the existing loading in packing element.Due to commonly known, quantitative when giving glue every time Can be extruded how many media from packing element；By calculating executed quantitation to glue number of times, you can draw more than existing medium in packing element Amount.
In order to accurately be set according to required negative pressure, if the negative pressure on medium passes through Venturi nozzle Negative port applying, and if required negative pressure is set by measuring the superpressure being applied on Venturi nozzle Put, undoubtedly can bring more benefits.By enabling Venturi nozzle, form one and literary composition at the low-voltage interface of Venturi nozzle The negative pressure that pressure before nozzle in mound is directly proportional.Here for a Venturi nozzle, its supply pressure and negative Ratio between pressure is identical all the time, thus, just can be realized to required negative pressure by measuring the superpressure before Venturi nozzle Accurately set.
It is that superpressure or negative pressure are applied to medium, it is preferred to use be internally integrated manometric pressure-regulating valve.With regard to described The explanation of the pressure-regulating valve with integrated pressure meter, refers to German patent application DE102014101542.8.Due to this patent The content of application is to quote in this application, no longer separately repeats herein.
According to another preferred embodiment, the either superpressure that medium is applied or negative pressure, the Venturi nozzle being used Only one of which, this undoubtedly can bring benefit, because in this case merely with this only one part, you can by simply sealing Stifled venturi nozzle outlet, realizes the conversion from negative pressure to superpressure in packing element.
Another emphasis of the present invention, is related to a device for executing above-mentioned technique.This device is included in a band Put the pressure-regulating valve of device for pressure measurement, one is located above pressure-regulating valve, can apply compressed air in its porch Venturi nozzle, and a packing element interface being connected at Venturi nozzle negative port.Additionally, in venturi nozzle outlet Place is connected to a shutoff valve, and described shutoff valve is one and is used for gathering the device of liquid level in packing element.Then, the liquid according to collection Position, by (electronics) control device come control pressure regulating valve and shutoff valve.
For described device, it is favourable for preserving form in control device, and described form comprises according to packing element liquid level Pressure value.Due to having known the liquid level in packing element by previously described device, this form can be used, be located at venturi by one Pressure before nozzle, through overregulating is continuously generated required negative pressure.Due to also knowing the filling situation of packing element by described device, can To take situation accordingly based upon partly filling or full up filling packing element, constantly correctly set desirable pressure.
Device for measuring liquid level can be arranged in glue by a conductor with Hall element (linear array) and one Magnet in barrel mast plug is constituted.
A kind of device for executing above-mentioned technique described below, refer to the attached drawing 1.This figure is showing of quantitative gluing device It is intended to.
In proportioning device shown in the figure, it is disposed with packing element 12 in packing element support 10, fills in an illustrated embodiment Flow media 14 (as PU- PUR) is about at 60%.It is that medium 14 is applied with pressure or negative pressure, design piston 16 is used for isolating Medium, applied on the upside of piston for air 18, described air can select to carry superpressure or band negative pressure by packing element interface 20.
Reference marker 22 represents optional liquid level sensor, and embodiment shown here includes one and is made up of Hall element Linear array, described linear array played a role jointly with the magnet being arranged in piston 16.Reference marker 24 and 26 is respectively Represent the heater for packing element and the heater for medium channel 28.
Metering valve 30 is connected with medium channel 28, it can be using required dosage by valve actuating mechanism 32.With reference to mark Note 34 represents for device thermoregulator at valve herein.
For make to be capable of at packing element interface 20 can accurate adjustment pressure, devise pressure-regulating valve 36, in this valve Portion is integrated with pressure sensor 38.Described pressure-regulating valve itself also includes an integrated single-chip microcomputer 40, then again by Centre control device 42 controls.By this kind of mode can pressure-regulating valve outlet 44 at output can accurate adjustment superpressure, described Superpressure can be directed at pressure-regulating valve 36 input by pressure feed pipeline 46.
The outlet 44 of pressure-regulating valve 36 then guides the pressure interface 48 of Venturi nozzle 50, the negative port of described nozzle 52 are connected with packing element interface 20.The output end 54 of Venturi nozzle 50 passes through the shutoff valve 56 being manipulated by control device 42, with Pipeline 58 for importing return air is connected.
The operation principle of said apparatus is as follows：
As long as shutoff valve 56 is closed, the air section 18 of packing element 12 is then passed through packing element interface 20 and is adjusted with pressure Valve 36 is connected.Each pressure can accurately be arranged by pressure-regulating valve 36 by control device 42.Pressure can be passed through simultaneously Pressure described in sensor 38 accurate measurement, and be configured on demand according to the liquid level in packing element.
Pass through multiple circulation to glue amount accurately to determine.Above-mentioned pressure can be adjusted again, to keep constant to glue amount.For giving Glue amount depends primarily on the medium of temperature, can change temperature, to keep constant to glue amount.
If either on or off valve 56, in the air section 18 of packing element 12, produce negative pressure, and negative pressure and Venturi nozzle Pressure at 50 entrance 48 is directly proportional.Because the ratio between negative pressure and supply pressure is identical all the time, therefore can corresponding basis It is saved in the form in control device 42, by adjusting the superpressure before Venturi nozzle 50, be continuously generated required low pressure.Due to Control device 42 knows the filling liquid level of packing element, even if also can correctly arrange required low pressure when taking out packing element.
To load new packing element, plug can be first passed through and block its outlet.Thus can first pass through at packing element interface 20 Apply negative pressure, then remove plug.Thus, packing element can be loaded in the case of no any water clock.
If the packing element of partially draining to be taken out, control device 42 equally knows its emptying degree, and can pass through pressure Correspondingly superpressure is adjusted, thus applying negative pressure at regulating valve 36 outlet 44.Thus, can not enter in packing element in no water clock or air Packing element is taken out in the case of portion.
In said apparatus, all pneumatic operated valves are arranged on metering valve 30, thus the flexible pipe quantity when volume is minimum Minimum.Can be in the pre-test pressure of Venturi nozzle 50 by pressure-regulating valve 36, and described pressure can be according to required negative pressure Automatically it is adjusted on demand with current packed height.

Claims (10)

1. a kind of quantitative coating technique, this technique is directed to the flow media in packing element, by Jie in packing element in technical process Matter applies pressure,
It is characterized in that,
Pressure is applied to medium and described pressure is measured, and described pressure with gluing during in packing element loading change Change and change.
2. technique according to claim 1,
It is characterized in that,
Method by blocking venturi nozzle outlet, so that pressure acts on medium by the negative port of Venturi nozzle On.
3. a kind of technique for blocking flow media in packing element, this technical process can apply negative pressure to the medium in packing element, with Prevent medium from overflowing from packing element,
It is characterized in that,
Loading in collection packing element, and negative pressure according to needed for the loading setting being gathered.
4. technique according to claim 3,
It is characterized in that,
Negative pressure is applied to medium by the negative port of Venturi nozzle, and by the superpressure applying is measured on Venturi nozzle To adjust required negative pressure.
5. the technique according to above-mentioned any one claim,
It is characterized in that,
It is that superpressure or negative pressure are applied to medium, employ and be internally integrated manometric pressure-regulating valve.
6. the technique according to above-mentioned any one claim,
It is characterized in that,
Either superpressure or negative pressure are applied to medium, only employs a Venturi nozzle.
7. the technique according to above-mentioned any one claim,
It is characterized in that,
Measure the loading in packing element using liquid level sensor.
8. the technique according to above-mentioned any one claim,
It is characterized in that,
By collection, from packing element, the medium amount of extrusion obtains the loading in packing element.
9. a kind of device for executing the technique described in above-mentioned any one claim is it is characterised in that include：
- the pressure-regulating valve with integrated pressure measurement apparatus (38) (36),
- by pressure-regulating valve (36), the Venturi nozzle (50) of compressed air can be applied at its entrance (48) place,
- be connected to Venturi nozzle (50) negative port (52) place packing element interface (20),
- be connected to Venturi nozzle (50) outlet (54) place shutoff valve (56),
- be used for measuring the device (22) of the interior liquid level of packing element (12), and
- control device (42), can be according to the liquid level being gathered, with control pressure regulating valve (36) and shutoff valve (56).
10. device according to claim 9,
It is characterized in that,
Preserve form in control device (42), include the pressure value according to packing element (12) liquid level in the table.
CN201610662930.2A 2015-08-13 2016-08-11 Method and device for quantitative coating Pending CN106423726A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015113372.5A DE102015113372A1 (en) 2015-08-13 2015-08-13 METHOD AND DEVICE FOR DOSING
DE102015113372.5 2015-08-13

Publications (1)

Publication Number Publication Date
CN106423726A true CN106423726A (en) 2017-02-22

Family

ID=57908084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610662930.2A Pending CN106423726A (en) 2015-08-13 2016-08-11 Method and device for quantitative coating

Country Status (3)

Country Link
KR (1) KR101782870B1 (en)
CN (1) CN106423726A (en)
DE (1) DE102015113372A1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN107202623A (en) * 2017-06-12 2017-09-26 江西联创宏声电子股份有限公司 Glue position detecting device
CN115155953A (en) * 2022-07-13 2022-10-11 吴宪君 Intelligent output and supplement device suitable for viscous fluid and use method thereof

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US4981652A (en) * 1988-03-17 1991-01-01 Ratfisch Instrument Apparatus for continuously measuring the hydrocarbon concentration in a gas flow
JPH06296916A (en) * 1994-01-26 1994-10-25 Shinkawa Ltd Device and method for discharging paste
CN1449345A (en) * 2000-06-30 2003-10-15 部鲁尔科学公司 Disposable syringe dispenser system
CN1385621A (en) * 2001-05-16 2002-12-18 Esec贸易公司 Pressure sensor
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202623A (en) * 2017-06-12 2017-09-26 江西联创宏声电子股份有限公司 Glue position detecting device
CN107202623B (en) * 2017-06-12 2023-09-12 江西联创宏声电子股份有限公司 Glue position detection device
CN115155953A (en) * 2022-07-13 2022-10-11 吴宪君 Intelligent output and supplement device suitable for viscous fluid and use method thereof

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Publication number Publication date
KR101782870B1 (en) 2017-09-28
DE102015113372A1 (en) 2017-02-16
KR20170020279A (en) 2017-02-22

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