CN206587629U - polyurethane production device - Google Patents

Abstract

The utility model is related to technical field of high polymer material preparation, more particularly, to a kind of polyurethane production device；Including the central processing unit being successively set on from the bottom to top on mounting bracket, the electronic pouring scale, the mixing tank and multiple feed units, the electronic pouring scale is set corresponding to the discharge nozzle；The feed unit includes feeding pipe, pneumatic diaphragm pump, raw material buffer tank and the precision metering pump set gradually from left to right, and the electronic pouring scale, each pneumatic diaphragm pump and each precision metering pump are electrically connected with the central processing unit respectively；Pass through the mixing tank being arranged in device case and the feed unit, and the electronic pouring scale of described device case lower end is arranged on, there is error, mixing device the exposure easy technical problem for mixing debris in atmosphere to solve human metering feeding quantity present in prior art.

Description

Polyurethane production device

Technical field

The utility model is related to technical field of high polymer material preparation, more particularly, to a kind of polyurethane production device.

Background technology

Pouring-type heat-insulation aluminum section be by polyurethane adiabatic gum inside and outside two parts of aluminium section bar are bonded to an entirety and Formed, so as to reach heat-insulated purpose.Polyurethane adiabatic gum is by two kinds of components i.e. isocyanates and modified polyether polyols After alcohol is mixed according to a certain percentage, high molecular polymer obtained from curing reaction is crosslinked；But, this pouring-type heat-insulation Production process of aluminium section is very high to parameter requests such as the product stability of polyurethane adiabatic gum, moisture, hardening times, this Require that production equipment, the technological level of polyurethane adiabatic gum are very high, simultaneously because being adopted in the polyurethane adiabatic gum formula Catalyst is easily influenceed by moisture in raw material and other micro constitutents, so that when causing the solidification of polyurethane adiabatic gum product Between influenceed and unstable by Storage period, storage condition, to client using causing trouble.

And in the prior art, for heat-insulation aluminum section with the production of polyurethane adiabatic gum mostly using the side of hand stock Method raw material is added to according to a certain percentage in reactor be well mixed after again by manual cleaning, packaging.This batch (-type) side Although method have it is simple to operate, still there are many shortcomings in it：(1) production system is open, the artificial loading time Long, the time is long in atmosphere for material exposure, especially when damp and hot weather is produced, the moisture in easy absorption air, artificial In operating process, toward the debris such as sweat are artificially introduced in material finished product can be caused unqualified unavoidably；(2) completely using artificial meter , easily there is metering mistake, causes to feed intake wrong in amount；(3) equipment investment is big, it is necessary to large-size reactor and build large-scale behaviour Make platform；(4) low production efficiency, finished product is laid in meet customer order needs in advance.

Therefore, the utility model is badly in need of providing a kind of new polyurethane production device regarding to the issue above.

Utility model content

The purpose of this utility model is a kind of new polyurethane production device of offer, passes through the institute being arranged in device case Mixing tank and the feed unit are stated, and is arranged on the electronic pouring scale of described device case lower end, to solve in the prior art The technical problem of debris is easily mixed in atmosphere and there is error, mixing device exposure in the human metering feeding quantity of presence.

A kind of polyurethane production device that the utility model is provided, including be successively set on from the bottom to top on mounting bracket Central processor, electronic pouring scale, mixing tank and the multiple feed units connected with the charging aperture of the mixing tank, the mixing tank Be provided with filling stop valve on discharge nozzle, the electronic pouring scale is set corresponding to the discharge nozzle, the electronic pouring scale with Pail pack accommodation space is provided between the discharge nozzle；The feed unit includes feeding pipe, the gas set gradually from left to right Dynamic membrane pump, raw material buffer tank and precision metering pump, the outlet of the feeding pipe and the inlet communication of the pneumatic diaphragm pump, institute The outlet for stating pneumatic diaphragm pump connected with the import of the raw material buffer tank by the first feed pipe, and the raw material buffer tank goes out Mouth is connected with the import of the precision metering pump by the second feed pipe, and the outlet of multiple precision metering pumps is entered by the 3rd Expects pipe is parallel on one-level feed pipe, and the outlet of the one-level feed pipe is connected with the charging aperture of the mixing tank；Each described Be provided with metering stop valve on three feed pipes, the electronic pouring scale, the filling stop valve, each metering stop valve, Each pneumatic diaphragm pump and each precision metering pump are electrically connected with the central processing unit respectively.

Further, it has been arranged side by side in the mixing tank between multiple mixing chambers, mixing chamber described in adjacent two and has been provided with gear Plate, each baffle plate is set parallel to the axis of the mixing tank, and mixing mechanism is provided with each mixing chamber；It is each described The charging aperture of mixing chamber is connected by sub-feed tube with the one-level feed pipe respectively, and each sub-feed tube is arranged in parallel, each described Sub-material stop valve is provided with sub-feed tube；The discharging opening of each mixing chamber is provided with the discharge nozzle, each discharging It is provided with to correspond respectively below the filling stop valve, each discharge nozzle on pipe and is provided with the electronic pouring scale； Each sub-material stop valve is electrically connected with the central processing unit respectively.

Further, the bottom of the mounting bracket is provided with universal wheel.

Further, it is provided with observation window on the side wall of the mixing tank.

Further, it is provided with observation window on the side wall of each mixing chamber.

Further, probe tube is connected with by one-in-and-two-out triple valve on each discharge nozzle；The one-in-and-two-out The charging aperture of triple valve is connected with the feed end of the discharge nozzle, a discharging opening of the one-in-and-two-out triple valve with it is described go out The discharge end connection of expects pipe, another discharging opening is connected with the charging aperture of the probe tube, and sampling is provided with the probe tube Stop valve.

Further, it is provided with alarm, each raw material buffer tank and is all provided with each raw material caching tank wall Material position inductor is equipped with, the material position inductor and the alarm are electrically connected with the central processing unit respectively.

The utility model also provides a kind of polyurethane production line, including as above any polyurethane production device.

The utility model has following progress compared with prior art：

1st, the utility model uses the central processing unit, the institute for including being successively set on from the bottom to top on the mounting bracket The multiple feed units stated electronic pouring scale, the mixing tank and connected with the charging aperture of the mixing tank, the batch mixing The filling stop valve is provided with the discharge nozzle of tank, the electronic pouring scale is set corresponding to the discharge nozzle, described filling The design of pail pack accommodation space is provided between electronic scale and the discharge nozzle；The gas can be controlled by the central processing unit The rate of pumping of dynamic membrane pump, the rate of pumping of the precision metering pump, and then control what is be fed into the raw material buffer tank Speed and the feeding speed into the mixing tank, are fed using the precision metering pump into the mixing tank, compared with manual weighing Charging is accurate, error is small；Set, placed on the electronic pouring scale corresponding to the discharge nozzle using the electronic pouring scale Pail pack, the polyurethane liquid material that the batch mixing in-tank mixing is completed directly can be filled into pail pack, and the electronic pouring scale is not The quality of polyurethane liquid material in the disconnected metering pail pack, when reaching filling weight, the filling stop valve is closed, filling work People's sealed packing pail is to complete filling work, mixes the polyurethane liquid material completed without artificial filling, it is to avoid the impurity such as sweat enters Enter in pail pack, influence the quality of the polyurethane liquid material；And weighed by the electronic pouring scale and load poly- in every barrel of pail pack The weight of urethane liquid material, makes filling weight more accurate, error small.

2nd, the utility model is used to be arranged side by side between multiple mixing chambers, mixing chamber described in adjacent two in the mixing tank and set Baffle plate is equipped with, each baffle plate is set parallel to the axis of the mixing tank, and mixing mechanism is provided with each mixing chamber； The charging aperture of each mixing chamber is connected by sub-feed tube with the one-level feed pipe respectively, and each sub-feed tube is arranged in parallel, Sub-material stop valve is provided with each sub-feed tube；The discharging opening of each mixing chamber is provided with the discharge nozzle, each institute State and the filling stop valve is provided with discharge nozzle, corresponded respectively below each discharge nozzle and be provided with the filling electricity Sub- scale；The design that each sub-material stop valve is electrically connected with the central processing unit respectively；Can be respectively into each mixing chamber Raw material is pumped into, each mixing chamber carries out liquid material mixing simultaneously；The poly- ammonia of same materials proportioning can be carried out in each mixing chamber The mixing of ester liquid material, the polyurethane liquid material of different ratios of raw materials can be also mixed respectively；When the polyurethane for carrying out same materials proportioning When liquid material is mixed, the mixing chamber that the design of multiple mixing chambers is big compared with one is compared, and a small amount of liquid material is mixed respectively, Mixing velocity is fast, and mixing is more abundant；When carrying out the polyurethane liquid material mixing of different ratios of raw materials, in each mixing chamber It can respectively be mixed, not interfere with each other, while producing the polyurethane liquid material of different ratios of raw materials.

3rd, the utility model is provided with the design of the universal wheel using the bottom of the mounting bracket；Make the utility model can Moved according to the distance of raw material, save pipeline, and disappear when apart from raw material entering to save the pneumatic diaphragm pump pumping raw material The resource of consumption.

4th, the utility model is using the design that the observation window is provided with the side wall of the mixing tank；Can Real Time Observation institute State the state that mixing liquid material is carried out in mixing tank.

5th, the utility model uses and is connected with probe tube by the one-in-and-two-out triple valve on each discharge nozzle；Institute The charging aperture for stating one-in-and-two-out triple valve is connected with the feed end of the discharge nozzle, a discharging of the one-in-and-two-out triple valve Mouth is connected with the discharge end of the discharge nozzle, and another discharging opening is connected with the charging aperture of the probe tube, on the probe tube It is provided with the design of the sampling stop valve；The polyurethane liquid material in the mixing tank can be sampled by the probe tube and carried out Detection.

6th, the utility model on each raw material caching tank wall using the alarm is provided with, and each raw material delays Deposit and the material position inductor is provided with tank, the material position inductor and the alarm are electric with the central processing unit respectively The design of connection；The amount of raw material in the raw material buffer tank can be sensed by the material position inductor, when the raw material buffer tank Interior liquid material it is excessive when can and alarm, when preventing that the charging rate of the raw material buffer tank is more than discharging speed, during production one end Between after, raw material accumulates excessive, the raw material buffer tank of emerging in the raw material buffer tank.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation (sectional view) of the utility model embodiment one；

Fig. 2 is electrical equipment connection diagram (block diagram) of the present utility model；

Fig. 3 is the structural representation (sectional view) of the utility model embodiment two；

Fig. 4 is the structural representation of the utility model embodiment two.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Referring to shown in Fig. 1, Fig. 2, a kind of polyurethane production device that the present embodiment is provided, including set gradually from the bottom to top Central processing unit 2, electronic pouring scale 3, mixing tank 4 on mounting bracket 1 and connected with the charging aperture of the mixing tank it is multiple enter Filling stop valve 402 is provided with material unit A, the discharge nozzle 401 of the mixing tank, the electronic pouring scale corresponds to described Discharge nozzle is set, and pail pack accommodation space 311 is provided between the electronic pouring scale and the discharge nozzle；Wherein, the charging Unit includes feeding pipe 501, pneumatic diaphragm pump 502, raw material buffer tank 503 and the precision metering pump set gradually from left to right 504, outlet and the inlet communication of the pneumatic diaphragm pump of the feeding pipe, the outlet of the pneumatic diaphragm pump and the raw material The import of buffer tank is connected by the first feed pipe 505, and the outlet of the raw material buffer tank leads to the delicate metering pump inlet Cross the second feed pipe 506 to connect, the outlet of multiple precision metering pumps is parallel to one-level feed pipe by the 3rd feed pipe 507 On 508, the outlet of the one-level feed pipe is connected with the charging aperture 403 of the mixing tank；The one-level feed pipe is entered by master Expects pipe 511 is connected with the charging aperture of the mixing tank；Metering stop valve 509 is provided with each 3rd feed pipe, it is described Electronic pouring scale, the filling stop valve, each metering stop valve, each pneumatic diaphragm pump and each precision metering pump It is connected respectively with the central processing unit by electric wire 510.

The utility model, which is used, to be included being successively set on the central processing unit on the mounting bracket from the bottom to top, described Electronic pouring scale, the mixing tank and the multiple feed units connected with the charging aperture of the mixing tank, the mixing tank Discharge nozzle on be provided with the filling stop valve, the electronic pouring scale is set corresponding to the discharge nozzle, the filling electricity The design of pail pack accommodation space is provided between sub- scale and the discharge nozzle；It can be controlled by the central processing unit described pneumatic The rate of pumping of membrane pump, the rate of pumping of the precision metering pump, and then control the speed that is fed into the raw material buffer tank Degree and the feeding speed into the mixing tank, are fed using the precision metering pump into the mixing tank, compared with manual weighing plus Material is accurate, error is small；Set using the electronic pouring scale corresponding to the discharge nozzle, bag is placed on the electronic pouring scale Barrelling, the polyurethane liquid material that the batch mixing in-tank mixing is completed directly can be filled into pail pack, and the electronic pouring scale is continuous The quality of polyurethane liquid material in the pail pack is measured, when reaching filling weight, the filling stop valve is closed, filling workman Sealed packing pail is to complete filling work, mixes the polyurethane liquid material completed without artificial filling, it is to avoid the impurity such as sweat enters In pail pack, the quality of the polyurethane liquid material is influenceed；And weighed by the electronic pouring scale and load poly- ammonia in every barrel of pail pack The weight of ester liquid material, makes filling weight more accurate, error small.

Shown in Figure 1, the bottom of mounting bracket described in the present embodiment is provided with universal wheel 101.Pacify described in the present embodiment The bottom shelved is provided with four universal wheels, naturally it is also possible to select to set in the mounting bracket bottom according to actual needs Three, five or multiple universal wheels, the quantity of the universal wheel are more, are arranged at the batch mixing on the mounting bracket Tank, the batch mixing unit are more stable, no longer excessively repeat herein.

The utility model is provided with the design of the universal wheel using the bottom of the mounting bracket；Make the utility model can root Moved according to the distance of raw material, save pipeline, and consumed when apart from raw material entering to save the pneumatic diaphragm pump pumping raw material Resource.

It is shown in Figure 1, it is provided with observation window 405 on the side wall of mixing tank described in the present embodiment.

The utility model is using the design that the observation window is provided with the side wall of the mixing tank；Can be described in Real Time Observation The state of mixing liquid material is carried out in mixing tank.

It is shown in Figure 1, sampling is connected with by one-in-and-two-out triple valve 411 on discharge nozzle 401 described in the present embodiment Pipe 412；The charging aperture of the one-in-and-two-out triple valve is connected with the feed end of the discharge nozzle, the one-in-and-two-out triple valve One discharging opening is connected with the discharge end of the discharge nozzle, and another discharging opening is connected with the charging aperture of the probe tube, described Sampling stop valve 413 is provided with probe tube.

The utility model uses and is connected with probe tube by the one-in-and-two-out triple valve on each discharge nozzle；It is described The charging aperture of one-in-and-two-out triple valve is connected with the feed end of the discharge nozzle, a discharging opening of the one-in-and-two-out triple valve Connect, another discharging opening is connected with the charging aperture of the probe tube, set on the probe tube with the discharge end of the discharge nozzle It is equipped with the design of the sampling stop valve；The polyurethane liquid material sampling in the mixing tank can be examined by the probe tube Survey.

Referring to shown in Fig. 1, Fig. 2, alarm 531 is provided with each raw material caching tank wall in the present embodiment, respectively Be provided with material position inductor 532 in the raw material buffer tank, the material position inductor and the alarm respectively with it is described in Central processor is connected by the electric wire.

The utility model on each raw material caching tank wall using the alarm is provided with, and each raw material is cached The material position inductor is provided with tank, the material position inductor and the alarm are electrically connected with the central processing unit respectively The design connect；The amount of raw material in the raw material buffer tank can be sensed by the material position inductor, when in the raw material buffer tank Liquid material it is excessive when can and alarm, prevent the raw material buffer tank charging rate be more than discharging speed when, produce one end time Afterwards, raw material accumulates excessive in the raw material buffer tank, the raw material buffer tank of emerging.

A kind of polyurethane production line that the present embodiment is provided, including polyurethane production device as described above.

Central processing unit described in the present embodiment is the FX-8300 type processors of AMD brands, naturally it is also possible to selected The Pentium G4400 type processors of Intel brands；The pneumatic diaphragm pump is Ingersoll-rand brand ARO type pneumatic diaphragm pumps, certainly The S type pneumatic diaphragm pumps of SANDPIPER brands can also be selected；The precision metering pump is the high brand MS1C1650Q type meters of match Measure pump, naturally it is also possible to select 59 dosing pumps of Galileo brand；The one-in-and-two-out triple valve is golden magnetic brand 2W-160-15 Type magnetic valve；The metering stop valve, the filling stop valve and the sampling stop valve are SNS brand 4V220-08 types Magnetic valve；The material position inductor is Huo Yu brand MK-136 type fluid level transmitters, naturally it is also possible to select the type of Seiko brand 136 Fluid level transmitter；The alarm is that brand TGSG-06B type audible-visual annunciators are preced with day；The listed center processing herein Device, the pneumatic diaphragm pump, the precision metering pump, the one-in-and-two-out triple valve, the metering stop valve, described filling section Only the brand and model of valve and the sampling stop valve, the material position inductor and the alarm are only its selectable brand And model, its brand and model are not defined, no longer excessively repeated herein.

The process that the polyurethane production device provided with application the utility model carries out polyurethane production is said below It is bright：

The charging aperture of each feeding pipe is connected with urethane raw discharging opening respectively, is controlled by the central processing unit The pneumatic diaphragm pump pumps raw material into the urethane raw buffer tank, and the precision metering pump is by the raw material buffer tank In urethane raw be pumped in the mixing tank and mixed, after urethane raw mixing, the filling stop valve opening, Raw material in the mixing tank enters in pail pack, electronic pouring after polyurethane liquid material reaches packaging quality in pail pack Scale sends quality signal to the central processing unit, and the central processing unit is connected to the backward filling magnetic valve hair of quality signal Shutdown signal is sent, the filling closed electromagnetic valve is controlled, filling workman seals to pail pack.

Embodiment two：

Polyurethane production device in the present embodiment is the improvement on the basis of embodiment one, the skill disclosed in embodiment one Art content not repeated description, the disclosure of embodiment one falls within the present embodiment disclosure.

Referring to multiple mixing chambers 601, phase shown in Fig. 2, Fig. 3, Fig. 4, have been arranged side by side in mixing tank 6 described in the present embodiment Baffle plate 602 is provided between mixing chamber described in neighbour two, each baffle plate is set parallel to the axis of the mixing tank, each batch mixing Interior is provided with mixing mechanism 603；The charging aperture 611 of each mixing chamber is grading by sub-feed tube 612 and described one respectively Expects pipe 613 is connected, and each sub-feed tube is arranged in parallel, and sub-material stop valve 614 is provided with each sub-feed tube；It is each described mixed The discharging opening 621 of material room, which is provided with the discharge nozzle 622, each discharge nozzle, is provided with filling stop valve 623, each institute State to correspond respectively below discharge nozzle and be provided with the electronic pouring scale 631；Each electronic pouring scale, each described filling section Only valve and each sub-material stop valve are connected with the central processing unit by electric wire 641 respectively.

The utility model is used to be arranged side by side in the mixing tank between multiple mixing chambers, mixing chamber described in adjacent two and set There is baffle plate, each baffle plate is set parallel to the axis of the mixing tank, and mixing mechanism is provided with each mixing chamber；Respectively The charging aperture of the mixing chamber is connected by sub-feed tube with the one-level feed pipe respectively, and each sub-feed tube is arranged in parallel, respectively Sub-material stop valve is provided with the sub-feed tube；The discharging opening of each mixing chamber is provided with the discharge nozzle, each described It is provided with to correspond respectively below filling stop valve, each discharge nozzle on discharge nozzle and is provided with the electronic pouring scale； What each electronic pouring scale, each filling stop valve and each sub-material stop valve were electrically connected with the central processing unit Design；Raw material can be pumped into each mixing chamber respectively, each mixing chamber carries out liquid material mixing simultaneously；Each mixing chamber The mixing of the interior polyurethane liquid material for carrying out same materials proportioning, the polyurethane liquid material of different ratios of raw materials can be also mixed respectively； When carrying out the polyurethane liquid material mixing of same materials proportioning, the designs of the multiple mixing chambers mixing chamber phase big compared with one Than, a small amount of liquid material is mixed respectively, mixing velocity is fast, and mixing is more abundant；When gathering for progress different ratios of raw materials When urethane liquid material is mixed, it can respectively be mixed, not interfere with each other in each mixing chamber, while producing the poly- of different ratios of raw materials Urethane liquid material.

Referring to shown in Fig. 3, Fig. 4, observation window 651 is provided with the side wall of each mixing chamber in the present embodiment.

Referring to shown in Fig. 3, Fig. 4, connected in the present embodiment on each discharge nozzle 622 by one-in-and-two-out triple valve 651 It is connected to probe tube 652；The charging aperture of the one-in-and-two-out triple valve is connected with the feed end of the discharge nozzle, the one-in-and-two-out One discharging opening of triple valve is connected with the discharge end of the discharge nozzle, and the charging aperture of another discharging opening and the probe tube connects It is logical, sampling stop valve 653 is provided with the probe tube.

Sub-material stop valve described in the present embodiment is SNS brand 4V220-08 type magnetic valves, and the listed sub-material is cut herein Only the brand and model of valve are only the selectable brand of sub-material stop valve and model, its brand and model are not limited It is fixed, no longer excessively repeat herein.

Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of polyurethane production device, it is characterised in that including the center processing being successively set on from the bottom to top on mounting bracket Device, electronic pouring scale, mixing tank and the multiple feed units connected with the charging aperture of the mixing tank, the discharge nozzle of the mixing tank On be provided with filling stop valve, the electronic pouring scale is set corresponding to the discharge nozzle, the electronic pouring scale with it is described go out Pail pack accommodation space is provided between expects pipe；The feed unit includes feeding pipe, the pneumatic diaphragm set gradually from left to right Pump, raw material buffer tank and precision metering pump, the outlet of the feeding pipe and the inlet communication of the pneumatic diaphragm pump, it is described pneumatic The outlet of membrane pump is connected with the import of the raw material buffer tank by the first feed pipe, the outlet of the raw material buffer tank and institute The import for stating precision metering pump is connected by the second feed pipe, the outlets of multiple precision metering pumps by the 3rd feed pipe simultaneously It is coupled on one-level feed pipe, the outlet of the one-level feed pipe is connected with the charging aperture of the mixing tank；Each 3rd charging It is provided with metering stop valve on pipe, it is the electronic pouring scale, the filling stop valve, the metering stop valve, described pneumatic Membrane pump and the precision metering pump are electrically connected with the central processing unit respectively.

2. polyurethane production device according to claim 1, it is characterised in that be arranged side by side in the mixing tank multiple mixed Expect to be provided with baffle plate between room, mixing chamber described in adjacent two, each baffle plate is set parallel to the axis of the mixing tank, it is each described Mixing mechanism is provided with mixing chamber；The charging aperture of each mixing chamber is connected by sub-feed tube and the one-level feed pipe respectively Logical, each sub-feed tube is arranged in parallel, and sub-material stop valve is provided with each sub-feed tube；The discharging opening of each mixing chamber It is provided with the discharge nozzle, each discharge nozzle and is provided with the filling stop valve, below each discharge nozzle respectively One-to-one corresponding is provided with the electronic pouring scale；Each sub-material stop valve is electrically connected with the central processing unit respectively.

3. polyurethane production device according to claim 2, it is characterised in that the bottom of the mounting bracket is provided with universal Wheel.

4. polyurethane production device according to claim 1, it is characterised in that be provided with observation on the side wall of the mixing tank Window.

5. polyurethane production device according to claim 3, it is characterised in that be provided with the side wall of each mixing chamber Observation window.

6. polyurethane production device according to claim 2, it is characterised in that pass through one-in-and-two-out on each discharge nozzle Triple valve is connected with probe tube；The charging aperture of the one-in-and-two-out triple valve is connected with the feed end of the discharge nozzle, and described one Enter two discharging openings for going out triple valve to connect with the discharge end of the discharge nozzle, another discharging opening enters with the probe tube Material mouth is connected, and sampling stop valve is provided with the probe tube.

7. polyurethane production device according to claim 5, it is characterised in that pass through one-in-and-two-out on each discharge nozzle Triple valve is connected with probe tube；The charging aperture of the one-in-and-two-out triple valve is connected with the feed end of the discharge nozzle, and described one Enter two discharging openings for going out triple valve to connect with the discharge end of the discharge nozzle, another discharging opening enters with the probe tube Material mouth is connected, and sampling stop valve is provided with the probe tube.

8. polyurethane production device according to claim 6, it is characterised in that is respectively provided with each raw material caching tank wall Have and material position inductor is provided with alarm, each raw material buffer tank, material position inductor and the alarm difference Electrically connected with the central processing unit.

9. the polyurethane production device according to claim 7, it is characterised in that be all provided with each raw material caching tank wall It is equipped with alarm, each raw material buffer tank and is provided with material position inductor, the material position inductor and the alarm point Do not electrically connected with the central processing unit.

10. a kind of polyurethane production line, it is characterised in that filled including the polyurethane production as described in any in claim 8 or 9 Put.