CN207318511U - A kind of automatic textile quantitative chemical analysis instrument - Google Patents

A kind of automatic textile quantitative chemical analysis instrument Download PDF

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Publication number
CN207318511U
CN207318511U CN201721323411.XU CN201721323411U CN207318511U CN 207318511 U CN207318511 U CN 207318511U CN 201721323411 U CN201721323411 U CN 201721323411U CN 207318511 U CN207318511 U CN 207318511U
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outlet
chemical analysis
control unit
quantitative chemical
crucible
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不公告发明人
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Sunwise (beijing) Instrument Manufacturing Co Ltd
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Sunwise (beijing) Instrument Manufacturing Co Ltd
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Abstract

It the utility model is related to textile quantitative chemical analysis technical field, and in particular to a kind of automatic textile quantitative chemical analysis instrument.The automatic textile quantitative chemical analysis instrument is by stent, liquid storage container, dissolve vessel, metering pump, solenoid valve, electric linear slide unit, agitating paddle, stepper motor, filter crucible, bottle,suction, vacuum pump and control unit composition, realize the feed liquor needed for automatic textile fiber quantitative chemical analysis experiment, stirring, dissolving, heated constant temperature, the operation such as filtering, solve conventional textile quantitative chemical analysis and rely on manual operation, process is cumbersome, test period is grown, operating personnel's multiple-contact is poisonous, the chemicals of harm such as be corrosive, it is unfavorable to operator's health, the qualification of operating personnel influences the problems such as big to the accuracy and repeatability of experiment.

Description

A kind of automatic textile quantitative chemical analysis instrument
Technical field
It the utility model is related to the quantitative analysis tech field of textile, more particularly to a kind of automatic textile quantitative chemical Analyzer, is tested for textile quantitative chemical analysis.
Background technology
Textile quantitative chemical analysis standard defines the method for carrying out quantitative chemical analysis to fibre blend.All these fibres The test procedure of mixture quantitative analysis standard is tieed up by following partly or entirely operating process sequential selection as defined in standard It is composed:Pre-treatment, feed liquor, heated constant temperature, stirring, dissolving, filtering, dry, weigh, calculating.At present, these operating process In major part be all to be manually completed by operating personnel, have the following disadvantages:Process is cumbersome, test period length;Operating personnel are more Secondary contact is poisonous, corrosivity, volatile chemicals, unfavorable to operator's health;The qualification of operating personnel is to examination The influence of the accuracy and repeatability tested is big.
The content of the invention
The utility model be intended to overcome manually carry out textile quantitative analysis experiment there are the shortcomings that, there is provided it is a kind of from Dynamic textile quantitative chemical analysis instrument.
The automatic textile quantitative chemical analysis instrument of the utility model includes stent, liquid storage container, dissolving vessel, metering Pump, solenoid valve, electric linear slide unit, agitating paddle, stepper motor, filter crucible, bottle,suction, vacuum pump and control unit.
Liquid storage container is no less than 2, is placed on stent, for storing the solvent and water that carry out experiment and use;Store molten Preferred 3.3 material of borosilicate glass of liquid storage container of agent, same liquid storage container storage textile quantitative analysis can be used to commonly use Acetone, sulfuric acid, weak aqua ammonia, hypochlorite solutions.
Each liquid storage container passes through pipeline phase at least provided with an entrance at top and the outlet in bottom, outlet at bottom After connection solenoid valve, metering pump and inlet tube, make liquid injection dissolving vessel.Pipeline and solenoid valve preferably polytetrafluoroethylene material Matter, can resistant to acetone, sulfuric acid, weak aqua ammonia, hypochlorite solutions these common textile quantitative chemical analysis reagents;For Green This place that should not use the connection of hard polyethylene pipeline of connector, can use the silica gel hose of interior coating tetrafluoroethylene to connect, Meet to the corrosion resistance of pipeline and the double requirements of flexibility.
Electric linear slide unit is driven by stepper motor or servomotor, and equipped with Zero-point switch, the repeatable accuracy of position is better than 0.01mm;Stepper motor is such as used, stepper motor driver need to be coordinated to use, is such as driven using servomotor, servo need to be coordinated Electric machine controller uses.
Vacuum pump is connected with bottle,suction, forms Suction filtration device, the fluorine rubber-pipe of the preferred vacuum-resistant of pipeline of connection.
Dissolving vessel are fixed on stent, and dissolving at the top of vessel has a bellmouth entrance, and two outlets are arranged at bottom, the One outlet at bottom is circle, concentric with bellmouth entrance, connects conical pipe first, and spherical frosted connector is exchanged in then connection As the outlet of first outlet at bottom, easy to being connected and sealed with the filter crucible for exchanging spherical frosted connector, Filter crucible and the bottle,suction of Suction filtration device are connected by pipeline again;It is attached that second outlet at bottom is located at first outlet at bottom Closely, this outlet is closed using sintering sand core, the top surface of sintered filter core is concordant with the bottom interior wall of dissolving vessel, then by this Outlet is drawn, and can be connected this outlet with solenoid valve by pipeline, the opening and closing for controlling this to export, then passes through pipe Road is connected to the bottle,suction of Suction filtration device;Dissolving vessel can use chuck to design, and the bottom of chuck is equipped with entrance, the top of chuck Equipped with outlet, constant temperature body lotion can be passed through, meet experiment dissolving tank dissolving is filled in liquid and sample mixture heating, constant temperature It is required that.
Dissolve preferred 3.3 material of borosilicate glass of vessel, can resistant to acetone, sulfuric acid, weak aqua ammonia, hypochlorite solutions these Common textile quantitative chemical analysis reagent.
Agitating paddle is made of agitating shaft, blade, babinet, bearing, spring, conical plug, taper stopper rod;The paddle of 2 or more Leaf is vertically installed at the bottom of box, rounded equal portion;The babinet of agitating paddle can block the bottom of dissolving vessel during stirring Portion's entrance, such design, can play the role of necessarily preventing the volatile liquid volatilization in dissolving vessel.
Taper stopper rod is connected with bearing, is placed in babinet, conical plug is together lifted with agitating paddle, and such design can be protected Demonstrate,prove the conical plug remains stationary when agitating shaft drives body pivot, being connected on taper stopper rod.The preferred needle thrust bearing of bearing, Compared to the bearing of other species, while meeting that bearing needs bear radial load and axial thrust, box volume can be reduced; Spring is equipped between the top of taper stopper rod and babinet, compared to the design of no spring, there are three advantages:First advantage be The requirement to electric linear slide unit position repeatability is reduced, second advantage is conical plug is applied first outlet at bottom Pressure excursion reduce, the 3rd advantage be can avoid conical pipe because electric linear slide unit position repeat row problem apply Excessive pressure damage is added to dissolve the conical pipe of vessel.
All parts preferably polytetrafluoroethylene materials in addition to bearing of agitating paddle, can resistant to acetone, sulfuric acid, dilute ammonia These common language textile quantitative chemical analysis reagents of water, hypochlorite solutions;Bearing is placed in babinet, will not be immersed in molten In the liquid for solving vessel, babinet also has certain leakproofness, can slow down the liquid in dissolving vessel to the corrosiveness of bearing, can Select the bearing of stainless steel;If it is desired to more preferable anticorrosive property is obtained, the bearing of optional ceramic material.
Agitating paddle is fixed on the stent of sliding block, can be lifted with sliding block;Stepper motor is by shaft coupling and stirs axis connection, Agitating paddle is driven to rotate.
The entrance of filter crucible to exchange spherical frosted joint design, change the shuttle by the mutual of the first outlet at bottom with dissolving vessel The outlet of shape frosted connector is connected and sealed.
Filter crucible divides into crucible holder, is tightly connected between filter crucible and crucible holder using O-ring, crucible holder bottom is set One outlet, is connected with the bottle,suction of Suction filtration device, preferred Green's connector design is exported, easy to connect;Crucible holder is installed on crucible On seat support, therebetween equipped with spring, spring, which applies filter crucible, to upward pressure, and ensures filter crucible and dissolving vessel The spherical frosted connector of exchange between leakproofness;First of dissolving vessel can be opened, be closed to conical plug with agitating paddle ascending, descending Outlet at bottom.
Control unit includes controller, relay, analog input/output module, digital quantity input/output module, string Row communication interface, switch power module.
Control unit is connected with the metering pump with serial line interface by serial line interface, control metering pump injection dissolving vessel The flow and volume of middle liquid, by the cooperation with solenoid valve, can control the species of liquid in injection dissolving vessel, realize experiment The automatic feed liquor operation needed.
Control unit can be according to experiment needs, by controlling electric linear slide unit that agitating paddle is raised or lowered to specific bit Put, conical plug is turned on and off first outlet at bottom for dissolving vessel.
Control unit can according to experiment needs, by control agitating paddle drive motor start or stop to dissolving vessel in Liquid carry out automatic stirring operation;Using stepper motor and servomotor driving agitating paddle, it is easy to accurately control agitating paddle Rotating speed, meet requirement of the experiment to stirring intensity.
Control unit can rise agitating paddle, rise conical plug, open first bottom of dissolving vessel according to experiment needs Portion exports, and then opens vacuum pump, carries out filter operation automatically.
Control unit can decline agitating paddle, decline conical plug, will dissolve first bottom of vessel according to experiment needs Exit seal, while by controlling unlatching or the pass of the solenoid valve being connected with dissolving second outlet at bottom outlet of vessel Close, repeatedly " feed liquor-dissolving-filtering " operation is carried out to the textile samples in dissolving vessel, meets test requirements document.
The automatic textile fiber quantitative chemical analysis instrument can realize automatic textile fiber quantitative chemical analysis experiment The operation such as required feed liquor, stirring, dissolving, heated constant temperature, filtering, solves conventional textile fiber quantitative chemical analysis and relies on Manual operation, process is cumbersome, test period length, and the chemicals for the harm such as operating personnel's multiple-contact is poisonous, is corrosive is right Operator's health is unfavorable, and the qualification of operating personnel influences the problems such as big to the accuracy and repeatability of experiment.
Brief description of the drawings
Fig. 1 is the structure diagram and embodiment schematic diagram of the utility model.
Embodiment
Below in conjunction with the accompanying drawings and one of which implements example and the technical solution of the utility model is expanded on further.
A kind of automatic textile fiber quantitative chemical analysis instrument is the utility model is related to, for textile fiber quantitative chemical Analysis experiment.
The automatic textile quantitative chemical analysis instrument of the present embodiment is mainly by stent(1), solvent bottle(101), water bottle (201), agitating paddle, dissolving tank(12), diaphragm pump(100), solenoid valve, electric linear slide unit(2), stepper motor(26), filtering Crucible(15), bottle,suction(21), vacuum pump(20)And control unit(27)Composition.
Solvent bottle(101)And water bottle(201)It is respectively used to solvent and water that storage experiment is used;Solvent bottle(101)And water Bottle(201)There are a top entry and outlet at bottom;Solvent bottle(101)Outlet at bottom polytetrafluoroethylene (PTFE) is scribbled by inner wall Silicone tube and polytetrafluoroethylene (PTFE) pipe fitting connect solenoid valve in succession(102)And diaphragm pump(100), inlet tube(10), make solvent Inject dissolving tank(12);Water bottle(201)Outlet at bottom the silicone tube and polytetrafluoroethylene (PTFE) of polytetrafluoroethylene (PTFE) are scribbled by inner wall Pipe fitting connects solenoid valve in succession(102)And diaphragm pump(100), inlet tube(10), water is injected dissolving tank(12).
Electric linear slide unit(2)Using stepper motor motor(26)Driving, with the travel switch for being useful for positioned zero point, position The repeatable accuracy put is better than 0.01mm, can meet dissolving tank(12)The requirement of the leakproofness of outlet at bottom 1.
Vacuum pump(20)And bottle,suction(21)Connected by vacuum-resistant fluorine rubber-pipe, form Suction filtration device.
Dissolving tank(12)Pressed from both sides by dissolving tank(11)It is fixed on stent(1)On, dissolving tank(12)Top have a loudspeaker Two outlets are arranged at shape entrance, bottom, are respectively outlet at bottom 1 and outlet at bottom 2;Outlet at bottom 1 is circle, with bellmouth entrance It is concentric, cone mill sandpipe is connected, reconnects the outlet for exchanging spherical frosted connector as outlet at bottom 1;Outlet at bottom 1 Outlet(14)To exchange frosted joint design, with the filter crucible with the spherical frosted connector of exchange(15)Carry out sealing company Connect, then the bottle,suction of Suction filtration device is connected to by vacuum-resistant fluorine rubber-pipe(21);Dissolving tank(12)Outlet at bottom 2 positioned at the Near one outlet at bottom, this outlet is closed using sintered glass filter core, top surface and the dissolving vessel of sintered glass filter core Bottom interior wall it is concordant, then by this outlet draw, the outlet of outlet at bottom 2(13)Designed using Green's connector, by this Outlet passes through interior coating tetrafluoroethylene silica gel hose and polytetrafluoroethylene (PTFE) pipeline and solenoid valve(19)Connection, can control dissolving tank (12)Second outlet at bottom opening and closing, then be connected to by pipeline the bottle,suction of Suction filtration device(21);Dissolving tank (12)Outside designed using chuck, the bottom of chuck is equipped with the chuck inlet using the design of Green's connector(22), chuck Top is equipped with the chuck liquid outlet using the design of Green's connector(23), constant temperature body lotion can be passed through, meets experiment to sample heating-perseverance The requirement of temperature.
Dissolving tank(12)For 3.3 material of borosilicate glass, can resistant to acetone, sulfuric acid, weak aqua ammonia, hypochlorite solutions these Common textile quantitative chemical analysis reagent.
Agitating paddle is by agitating shaft(25), blade(8), babinet(5), needle thrust bearing(7), spring(6), taper frosted plug (24), taper frosted stopper rod(9)Composition;3 identical blades are vertically installed at babinet(5)Bottom, rounded equal portion;Agitating paddle Babinet(5)During stirring, dissolving tank is just blocked(12)Entrance, can play certain preventing dissolving tank(12)In The effect of volatile liquid volatilization.
Taper frosted stopper rod(9)With needle thrust bearing(7)Connection, is placed in babinet(5)In, make taper frosted plug(24)With Agitating paddle together rises or falls, and can also ensure in agitating shaft(25)Drive babinet(5)During rotation, taper frosted stopper rod is connected in (9)On taper frosted plug(24)Remains stationary;Taper frosted stopper rod(9)Top and babinet(5)Between be equipped with spring(18); Taper frosted plug(24)Specified altitude assignment position is together raised or lowered to agitating paddle, dissolving tank can be turned on and off(12) One outlet at bottom.
Agitating paddle removes needle thrust bearing(7)Outside all parts select polytetrafluoroethylene (PTFE) material, needle roller pushes away Power bearing(7)Using stainless steel.
Agitating paddle is fixed on sliding block(3)Electric machine support(4)On, it can be lifted with sliding block;Stepper motor(26)Pass through shaft coupling Device and agitating shaft(25)Connection, driving agitating paddle rotate.
Filter crucible(15)Divide into crucible holder(16), it is tightly connected using O-ring therebetween, crucible holder(16)Bottom is set One Green's connector exports, and passes through the fluorine rubber-pipe and bottle,suction of vacuum-resistant(21)Connection.
Crucible holder(16)Installed in crucible seat support(17)On, therebetween equipped with spring, ensure filter crucible(15)With Dissolving tank(12)The spherical frosted connector of exchange between leakproofness.
Control unit(27)Including controller, relay, analog input/output module, digital quantity input/output mould Block, serial communication interface, switch power module.
Diaphragm pump has serial communication interface, control unit and diaphragm pump(100)Connected by serial communication interface, can basis Experiment needs, and coordinates solenoid valve(102)、(202), to dissolving tank(12)With the specified liquid of specified flow injection designated volume Body.
The typical textile quantitative chemical analysis experiment process carried out using the present embodiment is as follows:
1) dissolving tank is installed(12)And filter crucible(15), in solvent bottle(101), water bottle(201)In be respectively charged into experiment Required solvent and water;
2) control unit(27)Control electric linear slide unit(2)Agitating paddle is declined specified altitude assignment, make taper frosted plug (24)By dissolving tank(12)Primary outlet sealing
3) from dissolving tank(12)Top entry be put into textile sample;
4) control unit(27)Open solenoid valve(102), then open diaphragm pump(100)Solvent is injected in being filled to dissolving, Untill volume until injecting solvent meets standard requirement, diaphragm pump is closed(100);
5) control unit(27)Open stepper motor(26)Agitating paddle is driven to fill dissolving(12)In solvent and sample into Row stirring;
6) stirring after a certain period of time, is stopped;
7) static certain time;
8) control unit(27)Open solenoid valve(19), while open vacuum pump(20), carry out suction filtration operation;
9) control unit(27)Close solenoid valve(19), close vacuum pump(20);
10) step 4-9 is repeated twice;
11) control unit(27)Control electric linear slide unit(2)Agitating paddle is risen to specified altitude assignment, open dissolving tank (12)Primary outlet;
12) control unit(27)Open vacuum pump(20), vacuum pump is closed after a certain period of time(20);
13) control unit(27)Open solenoid valve(202), open diaphragm pump(100)Filled to dissolving(12)Middle injection is certain The water of volume, cleans sample, closes diaphragm pump(100);
14) step 12-13 is repeated three times;
15) filter crucible equipped with remaining sample, other operations as defined in carry out standard are removed;
16) off-test.
Next, remove the filter crucible equipped with residual sample(15)Other operations of carry out standard requirement.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: It can still modify the technical solution described in foregoing embodiments, or which part technical characteristic be carried out same Deng replacement;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology The spirit and scope of scheme.

Claims (3)

1. a kind of automatic textile quantitative chemical analysis instrument, including stent, liquid storage container, dissolving vessel, metering pump, solenoid valve, Electric linear slide unit, agitating paddle, stepper motor, filter crucible, bottle,suction, vacuum pump and control unit;It is characterized in that liquid storage Container is no less than 2, is placed on stent, for storing solvent and water;Each liquid storage container is at least provided with entering at top Mouthful and connect solenoid valve, metering pump, inlet tube in succession by pipeline in the outlet of bottom, outlet at bottom, liquid is injected molten Solve inside vessel;Electric linear slide unit is driven by stepper motor or servomotor, with the travel switch for being useful for positioned zero point;
Dissolving vessel are fixed on stent, and dissolving at the top of vessel has a bellmouth entrance, and two outlets, dissolvers are arranged at bottom First outlet at bottom of ware is circle, concentric with bellmouth entrance, connects conical pipe first, and frosted ball is exchanged in then connection Outlet of the shape connector as primary outlet;Second outlet at bottom of vessel is dissolved near first outlet at bottom, This outlet is closed using sintering sand core, the top surface of sintered filter core is concordant with the bottom interior wall for dissolving vessel, then this is gone out Mouth is drawn, and is connected the outlet of second outlet at bottom with solenoid valve by pipeline, the opening and closing for controlling this to export, It is connected to bottle,suction;Agitating paddle is made of agitating shaft, blade, babinet, bearing, spring, conical plug, taper stopper rod, 2 or with On blade be installed on the bottom of box, rounded equal portion, taper stopper rod is connected with bearing, is placed in babinet, makes conical plug with stirring Mix paddle together to lift, can also ensure the conical plug remains stationary when agitating shaft drives body pivot, being connected on taper stopper rod, cone Spring is equipped between the top of shape stopper rod and babinet;Agitating paddle is fixed on sliding block, is lifted with sliding block, and stepper motor passes through connection Axis device and stirring axis connection, driving agitating paddle rotate;Conical plug can be opened with agitating paddle ascending, descending, close the first of dissolving vessel A outlet;The entrance of filter crucible can be connected and sealed to exchange spherical frosted joint design with dissolving vessel;
Filter crucible divides into crucible holder, and crucible holder is installed on crucible seat support, and spring, crucible are equipped between crucible holder and crucible Seat bottom sets an outlet, is connected in succession with solenoid valve and bottle,suction by pipeline;Vacuum pump is connected with bottle,suction, and composition filters dress Put;
Control unit is connected with the metering pump with serial communication interface, is needed to control the flow and body of conveying liquid according to experiment Product;
Stepper motor is connected to control unit, and control unit needs to control rotating speed of agitator according to experiment;Electric linear slide unit Stepper motor or servomotor are connected to, and control unit can need to control electric linear slide unit to be raised or lowered to finger according to experiment Fixed height;
All solenoid valves are connected to control unit, need control solenoid valve to be turned on and off according to experiment by control unit.
A kind of 2. automatic textile quantitative chemical analysis instrument according to claim 1, it is characterised in that:The electric linear The positional repeatability of slide unit is better than 0.01mm.
3. a kind of automatic textile quantitative chemical analysis instrument according to claim 1, its feature with:Described control unit Including controller, relay, analog input/output module, digital quantity input/output module, serial communication interface, switch electricity Source module.
CN201721323411.XU 2017-10-16 2017-10-16 A kind of automatic textile quantitative chemical analysis instrument Active CN207318511U (en)

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Application Number Priority Date Filing Date Title
CN201721323411.XU CN207318511U (en) 2017-10-16 2017-10-16 A kind of automatic textile quantitative chemical analysis instrument

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507445A (en) * 2018-11-29 2019-03-22 苏州长光华医生物医学工程有限公司 The pump valve control method of Full-automatic chemiluminescence immunoassay analysis meter, apparatus and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507445A (en) * 2018-11-29 2019-03-22 苏州长光华医生物医学工程有限公司 The pump valve control method of Full-automatic chemiluminescence immunoassay analysis meter, apparatus and system

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