CN108422616A - A kind of polyurethane thermal insulation board foamed system - Google Patents
A kind of polyurethane thermal insulation board foamed system Download PDFInfo
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- CN108422616A CN108422616A CN201810252853.2A CN201810252853A CN108422616A CN 108422616 A CN108422616 A CN 108422616A CN 201810252853 A CN201810252853 A CN 201810252853A CN 108422616 A CN108422616 A CN 108422616A
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- plate
- foaming
- agitating
- raw material
- mixing chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention belongs to polyurethane production equipment technical field, specifically a kind of polyurethane thermal insulation board foamed system, including agitating unit, water control unit and foamed cell, agitating unit include mixing chamber, cartridge heater, four agitating plates, rotating bar and motor；Mixing chamber is cylinder type, and being equipped with No.1 on the left of the upper surface of mixing chamber is open, and cartridge heater is installed with inside mixing chamber；Agitating plate there are four being set in cylinder type cartridge heater；For being stirred to raw material, water control unit foams to raw material by coordinating with foamed cell agitating unit；Air pressure balance plate in water control unit is fixedly connected by No.1 solenoid valve, No.1 pressure gauge and No.1 opening, and the right side of air pressure balance plate is connected by No. three solenoid valves with the external world.Present invention is mainly used for foaming to reactant in polyurethane heat-insulation board production technology, the uniformity of raw material can be improved, raw material foaming can be made abundant, improve the bubbling efficiency of raw material.
Description
Technical field
The invention belongs to polyurethane production equipment technical field, specifically a kind of polyurethane thermal insulation board foamed system.
Background technology
As Modern Family living space is nervous, domestic refrigerator product to be thinning demand increasingly strong.In refrigerator thin-walled
In the manufacturing process of product, due to refrigerator wall thickness reduction, foaming layer heat-insulating property is caused to be deteriorated, mechanical strength variation, in structure
Complicated edge foaming raw material insufficient flow occurs filling unreal phenomenon.And the widely used pentamethylene of current refrigerator institute
Foaming system cannot meet the technical need for being thinning product, therefore develop the foaming of high fluidity, high heat insulating ability, high intensity
System is imperative.
Also occur the technical solution of some polyurethane foaming equipments in the prior art, such as application No. is
201510094396.5 Chinese patent discloses a kind of production foaming machine of polyurethane weatherstrip, and above-mentioned lathe is pouring
Two stepper motors in head top, solve the obstructing problem of discharge nozzle.The setting of upward material leak-proof in stirring area.It is above-mentioned
Installation air-conditioning in lathe body, the requirement for making polyurethane that the mobility in hoseline be made to reach optimal flow amount under temperature control, together
When also supply foaming chamber product temperature foaming requirement.Above-mentioned lathe bottom below lathe bed is equipped with product foaming chamber, foaming chamber
Bottom surface installation rolls link conveyor structure, the product of cast polyurethane sealing strip, and product enters import before the F of temperature control foaming chamber
After, product in the case where temperature control and conveying speed are adjusted, within the regular hour can foaming and setting quickly, sent out from rear exit
The product of foaming foams to polyurethane weatherstrip although the technical solution can be realized, the technical solution is only
It can solve the problems, such as that discharging blockage, the technical solution cannot be sufficiently stirred raw material, raw material and water can not be made
The bubbling efficiency for coming into full contact with to influence raw material, makes the invention be restricted.
Invention content
In order to make up for the deficiencies of the prior art, the present invention proposes a kind of polyurethane thermal insulation board foamed system, master of the present invention
It is used in polyurethane heat-insulation board production technology foam to reactant, the uniformity of raw material can be improved, raw material can be made
Foaming is abundant.The present invention makes raw material carry out foamable reaction by foamed cell and agitating unit cooperation, and the present invention passes through water control
Unit coordinates to control the steam pressure in foaming storehouse with foamed cell；Improve the bubbling efficiency of raw material.
The technical solution adopted by the present invention to solve the technical problems is：A kind of polyurethane thermal insulation board hair of the present invention
Bubble system, including agitating unit, water control unit and foamed cell, the agitating unit include mixing chamber, cartridge heater, four stirrings
Plate, rotating bar and motor；The mixing chamber is cylinder type, and being equipped with No.1 on the left of the upper surface of mixing chamber is open, inside mixing chamber
It is installed with cartridge heater；Agitating plate there are four being set in the cylinder type cartridge heater；Four agitating plates by rotating bar with
The shaft of motor is fixedly connected；It is water storehouse between the outer wall of the cartridge heater and the inner wall of mixing chamber；The water control unit packet
Include air pressure balance plate, No.1 solenoid valve, No.1 pressure gauge, No. three solenoid valves；No.1 solenoid valve with No.1 pressure gauge by coordinating
Carry out the water vapour pressure in control pressure balance plate；When the steam pressure in storehouse of foaming is greater than the set value, by opening No. three
To make, the steam in foaming storehouse passes through air pressure balance plate to solenoid valve and No. three solenoid valves are discharged to the external world；The air pressure balance plate is fixed
Mounted on the lower surface of mixing chamber；The air pressure balance plate is open fixed connect by No.1 solenoid valve, No.1 pressure gauge and No.1
It connects, the right side of air pressure balance plate is connected by No. three solenoid valves with the external world；The foamed cell include foaming storehouse, foaming mechanisms,
No. two solenoid valves and No. two pressure gauges are equipped with foaming mechanisms, No. two solenoid valves and No. two pressure gauges, foaming machine in the foaming storehouse
Structure is used for No. two opening direction spraying water vapors, and vapor reacts generation carbon dioxide with the raw material of thawing and raw material can be completed
Foaming；The foaming mechanisms is connected by No. two solenoid valves and No. two pressure gauges with No.1 opening；The agitating unit for pair
Raw material is stirred, and water control unit foams to raw material by coordinating with foamed cell；
Raw material is transported to by No.1 feed inlet in cartridge heater, is then fed No.1 and is closed；Cartridge heater carries out raw material
Heating, motor drive agitating plate to be stirred raw material by rotating bar；Under the action of cartridge heater, the distilled water in water storehouse
Evaporation, open No.1 solenoid valve make vapor pass through air pressure balance plate enter foaming cylinder in, to foaming cylinder preheat；Then
Opening No. two solenoid valves makes vapor pass through foaming mechanisms towards No. two opening sprinklings, and then the control door of No. two openings is beaten
It opens, the raw material melted in cartridge heater is flowed by No. two openings in foaming storehouse；The storehouse lower plate that foams is equipped with discharge port, discharging
Mouth is equipped with automatically-controlled door, and automatically-controlled door is used to control the folding of discharge port；Under the action of foaming mechanisms, it is anti-that foaming occurs for raw material
It answers.Foam and be equipped with No. three air gauges in storehouse, No. three air gauges are used to detect the atmospheric pressure value in foaming storehouse, No. three air gauges by with
No. three solenoid valve cooperations can stablize the air pressure in foaming storehouse so that the bubbles volume melted in raw material is controllable.
Preferably, the lower surface center of the air pressure balance plate is equipped with No. two openings through mixing chamber lower plate；
No. two openings are transported to for the thawing object of raw material in cartridge heater in foaming storehouse, and No. two openings are equipped with automatically-controlled door, and automatically-controlled door is used
In the closure of No. two openings of control；No. two openings are circle, and the lower end of No. two openings is equipped with draining plate；The draining plate
Upper surface is equipped with multiple liquid outlets for being through to draining plate；Liquid outlet is used to make the thawing object above draining plate to disperse to flow to foaming
In storehouse, for increasing the contact area melted between object and vapor, the efficiency for melting object foaming is improved.
Preferably, four agitating plates are same component, and agitating plate is rectangular slab, and the cross sectional shape of agitating plate is circle
Arc；No. four openings are staggeredly disposed on the agitating plate, No. four openings are rectangle, and No. four openings are equipped with drain machine
Structure, the urethane raw after thawing is more sticky, and the effect of scheduled stirring is not achieved using common stirring rod, and agitating plate is
Rectangular slab is conducive to the stirring of raw material after melting, and multiple No. four openings is staggeredly disposed on agitating plate, for making agitating plate two
It can mutually be merged between the thawing object of side, improve stirring efficiency, drain mechanism is used for the thawing object phase in No. four openings
Mutually collision, to improve the efficiency melted object and be stirred.
Preferably, the drain mechanism includes two pieces of liquid separatnig plates and confluence mechanism；Liquid separatnig plate and confluence mechanism are fixedly mounted
In No. four mouths, liquid separatnig plate is by coordinating the stirring for accelerating raw material with confluence mechanism；The liquid separatnig plate is cuboid template；
Liquid separatnig plate and confluence mechanism interlaced arrangement are separated into three sides when the raw material after thawing is open by No. four by two pieces of liquid separatnig plates
To the thawing object after separation contacts with each other to form twice direction under the action of confluence mechanism, is melting object lane change and is converging again
During collection, melts object and also carrying out mutual collision；Liquid separatnig plate is melted by being further improved with confluence mechanism cooperation
The stirring efficiency of compound.
Preferably, the confluence mechanism includes liquid-dividing head, metal folding pipe and closed plate；The liquid-dividing head is stretched by sliding
Contracting bar is fixedly mounted in closed plate；The outer layer of the sliding extension bar is cased with spring；The metal folding pipe is located at sliding and stretches
The outer layer of contracting bar；One end of metal folding pipe is fixedly connected with closed plate, and the other end of metal folding pipe is fixed with liquid-dividing head to be connected
It connects；The cross sectional shape of the liquid-dividing head is semicircle.Melting when object passes through confluence mechanism can collide with liquid-dividing head, sliding extension bar
By coordinating with spring so that liquid-dividing head generates concussion, the concussion that liquid-dividing head generates can act on thawing object, further increase
Melt the mixing efficiency of object.
Preferably, the air pressure balance plate includes No.1 upper plate, No.1 side plate and No.1 lower plate；Bottom in the No.1
Plate is fixedly mounted on by No.1 side plate on No.1 lower plate；The upper surface of the No.1 lower plate, which is uniformly provided with, multiple runs through one
The through-hole of number lower plate, spiral plate is installed between No.1 upper plate and No.1 lower plate；The left side of the No.1 side plate
Equipped with No.1 air admission hole；The right side of the No.1 side plate is equipped with No. two air admission holes；Spiral plate is used for air pressure balance intralamellar part
Vapor plays the role of dredging, to improve the uniformity of air pressure balance intralamellar part vapor.
Preferably, the foaming mechanisms includes mounting bracket, No. two air inlet pipe, gas storage storehouse and nozzle；The gas storage storehouse passes through
Mounting bracket is fixedly mounted on the side plate in foaming storehouse, and the left-hand face in gas storage storehouse is equipped with No. three air inlets, No. three air inlets and two
The right end of number air inlet pipe is fixedly connected；The nozzle is connected by No. four pipes with gas storage storehouse；The upper surface of the nozzle is equipped with spray
Hole；Nozzle is used to the thawing raw material flowed down in No. two openings carrying out vapor sprinkling, to improve the atomization effect for melting raw material
Rate.
Preferably, it is installed with taper spray column above the spray orifice；Vapor in spray orifice is sprayed onto hair by spray column
It steeps in storehouse；Meanwhile the raw material melted in No. two openings can wander the upper surface to nozzle, to which spray orifice can be blocked；Taper spray column
For preventing the raw material after melting from blocking spray orifice when the upper surface of nozzle is flowed.
The beneficial effects of the invention are as follows：
1. a kind of polyurethane thermal insulation board foamed system of the present invention, foam device of the present invention includes that stirring is single
Member, water control unit and foamed cell；Agitating unit is used to carry out heating stirring to reaction raw materials, and water control unit is set to agitating unit
Outer layer, water control unit makes the raw material in agitating unit be heated evenly by coordinating with agitating unit, while in water control unit
Distillation water evaporation, the vapor in water control unit is delivered in foaming storehouse, and steam ambient is created for foaming storehouse；Foamed cell is logical
It crosses and the raw material after stirring can fully be foamed with agitating unit cooperation, improve the adequacy of raw material foaming.
2. a kind of polyurethane thermal insulation board foamed system of the present invention, foamed cell of the present invention includes foaming machine
Structure, foaming storehouse, No. two solenoid valves and No. two pressure gauges；The foaming storehouse is for providing closed foaming environment；The foaming mechanisms
For conveying vapor into foaming storehouse；No. two solenoid valves and No. two pressure gauges coordinate to control the steam in foaming mechanisms
Pressure, to keep the water vapour pressure sprayed in foaming mechanisms controllable, so as to control the severe degree of foamable reaction.
3. a kind of polyurethane thermal insulation board foamed system of the present invention, interlaced arrangement has four in agitating plate of the present invention
Number opening is equipped with drain mechanism in No. four openings, and drain mechanism is used to the thawing object in No. four openings carrying out mixing, drain
Mechanism includes two pieces of liquid separatnig plates and confluence mechanism, and two pieces of liquid separatnig plates are used to carry out being separated into three to the thawing object in No. four openings
Road, confluence mechanism are used to the thawing object of three separation converging into twice melting liquid again；Drain mechanism with liquid separatnig plate by matching
It shares and is mixed again in the thawing object in No. four openings, further improve the stirring efficiency of agitating plate.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is the partial enlarged view of C in Fig. 1；
Fig. 5 is the D-D sectional views of Fig. 1；
Fig. 6 is the partial enlarged view of E in Fig. 3；
In figure：Agitating unit 1, water control unit 2, foamed cell 3, mixing chamber 11, cartridge heater 12, agitating plate 13, rotating bar
14, motor 15, water storehouse 4, air pressure balance plate 21, No.1 solenoid valve 22,23, No. three solenoid valves 24 of No.1 pressure gauge, foaming storehouse
34, the opening of the solenoid valve 32, two of foaming mechanisms 31, two pressure gauge 33, two 111,112, No. four openings 131 of draining plate, lead
Liquid mechanism 132, liquid separatnig plate 133, confluence mechanism 134, liquid-dividing head 135, metal folding pipe 136, closed plate 137, sliding extension bar
138, spiral plate 211,311, No. two air inlet pipe 312 of mounting bracket, gas storage storehouse 313, nozzle 314, taper spray column 316, No.1 charging
Mouth 318, discharge port 319.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figures 1 to 6, a kind of polyurethane thermal insulation board foamed system of the present invention, the technique are filled using foaming
Set, the foam device includes agitating unit 1, water control unit 2 and foamed cell 3, the agitating unit 1 include mixing chamber 11,
12, four agitating plates 13 of cartridge heater, rotating bar 14 and motor 15；The mixing chamber 11 is cylinder type, the upper surface of mixing chamber 11
Left side is open equipped with No.1, and cartridge heater 12 is installed with inside mixing chamber 11；There are four being set in the cylinder type cartridge heater 12
Agitating plate 13；Four agitating plates 13 are fixedly connected by rotating bar 14 with the shaft of motor 15；Outside the cartridge heater 12
It is water storehouse 4 between wall and the inner wall of mixing chamber 11；The water control unit 2 includes air pressure balance plate 21, No.1 solenoid valve 22, one
Number 23, No. three solenoid valves 24 of pressure gauge；No.1 solenoid valve 22 with No.1 pressure gauge 23 by coordinating come control pressure balance plate 21
In water vapour pressure；When the steam pressure in storehouse 34 of foaming is greater than the set value, make hair by opening No. three solenoid valves 24
Steam in bubble storehouse 34 is discharged to the external world by air pressure balance plate 21 and No. three solenoid valves 24；The air pressure balance plate 21 is fixedly mounted
In the lower surface of mixing chamber 11；The air pressure balance plate 21 is open solid by No.1 solenoid valve 22, No.1 pressure gauge 23 and No.1
Fixed connection, the right side of air pressure balance plate 21 is connected by No. three solenoid valves 24 with the external world；The foamed cell 3 includes foaming storehouse
34,31, No. two solenoid valves 32 of foaming mechanisms and No. two pressure gauges 33, the foaming storehouse 34 is interior to be equipped with 31, No. two electricity of foaming mechanisms
Magnet valve 32 and No. two pressure gauges 33, foaming mechanisms 31 are used for No. two 111 direction spraying water vapors of opening, the original of vapor and thawing
Material reaction generates the foaming that raw material can be completed in carbon dioxide；The foaming mechanisms 31 passes through No. two solenoid valves 32 and No. two pressure
Table 33 is connected with No.1 opening；The agitating unit 1 is for being stirred raw material, and water control unit 2 with foamed cell 3 by matching
It closes to foam to raw material；
Raw material is transported to by No.1 feed inlet 318 in cartridge heater 12, is then closed No.1 charging 318；Cartridge heater 12
Raw material is heated, motor 15 drives agitating plate 13 to be stirred raw material by rotating bar 14；In the effect of cartridge heater 12
Under, the distillation water evaporation in water storehouse 4 opens No.1 solenoid valve 22 vapor is made to pass through air pressure balance plate 21 and enters foaming cylinder
In, foaming cylinder is preheated；Then opening No. two solenoid valves 32 makes vapor pass through foaming mechanisms 31 towards No. two openings 111
It sprays, then the control door at No. two openings 111 is opened, and the raw material melted in cartridge heater 12 is flowed by No. two openings 111
In foaming storehouse 34；34 lower plate of storehouse that foams is equipped with discharge port 319, and discharge port 319 is equipped with automatically-controlled door, and automatically-controlled door is for controlling
The folding of discharge port 319；Under the action of foaming mechanisms 31, foamable reaction occurs for raw material.Foaming is equipped with No. three air pressures in storehouse 34
Table, No. three air gauges are used to detect the atmospheric pressure value in foaming storehouse 34, and No. three air gauges can by coordinating with No. three solenoid valves 24
Stablize the air pressure in foaming storehouse 34 so that the bubbles volume melted in raw material is controllable.
As one embodiment of the present invention, the lower surface center of the air pressure balance plate 21 is equipped with through stirring
No. two openings 111 of 11 lower plate of storehouse；No. two openings 111 are transported to foaming storehouse 34 for the thawing object of raw material in cartridge heater 12
In, No. two openings 111 are equipped with automatically-controlled door, and automatically-controlled door is used to control the closure of No. two openings 111；No. two openings 111 are
The lower end of circle, No. two openings 111 is equipped with draining plate 112；The upper surface of the draining plate 112 is through to draining plate equipped with multiple
112 liquid outlet；Liquid outlet is used to make the thawing object dispersion of 112 top of draining plate to flow in foaming storehouse 34, melts for increasing
Contact area between object and vapor improves the efficiency for melting object foaming.
As one embodiment of the present invention, four agitating plates 13 are same component, and agitating plate 13 is rectangle
The cross sectional shape of plate, agitating plate 13 is arc-shaped；No. four openings 131 are staggeredly disposed on the agitating plate 13, described No. four are opened
Mouth 131 is rectangle, and No. four openings 131 are equipped with drain mechanism 132, and the urethane raw after thawing is more sticky, using common
Stirring rod the effect of scheduled stirring is not achieved, agitating plate 13 is the stirring that rectangular slab is conducive to raw material after melting, stirring
It is staggeredly disposed with multiple No. four openings 131 on plate 13, can mutually merge, carry between the thawing object for making 13 both sides of agitating plate
High stirring efficiency, drain mechanism 132 are used to mutually collide the thawing object in No. four openings 131, melt object quilt to improve
The efficiency of stirring.
As one embodiment of the present invention, the drain mechanism 132 includes two pieces of liquid separatnig plates 133 and confluence mechanism
134；Liquid separatnig plate 133 and confluence mechanism 134 are fixedly mounted in No. four mouths, and liquid separatnig plate 133 is shared by matching with confluence mechanism 134
In the stirring for accelerating raw material；The liquid separatnig plate 133 is cuboid template；134 interlaced arrangement of liquid separatnig plate 133 and confluence mechanism, melts
By being separated into three directions by two pieces of liquid separatnig plates 133 when No. four openings 131, the thawing object after separation is converging raw material after change
It contacts with each other to form twice direction under the action of mechanism 134, during melting object lane change and collecting again, melts object and also exist
Carry out mutual collision；Liquid separatnig plate 133 further improves the stirring efficiency for melting object by coordinating with confluence mechanism 134.
As one embodiment of the present invention, the confluence mechanism 134 includes liquid-dividing head 135,136 and of metal folding pipe
Closed plate 137；The liquid-dividing head 135 is fixedly mounted on by sliding extension bar 138 in closed plate 137；The sliding extension bar
138 outer layer is cased with spring；The metal folding pipe 136 is located at the outer layer of sliding extension bar 138；The one of metal folding pipe 136
End is fixedly connected with closed plate 137, and the other end of metal folding pipe 136 is fixedly connected with liquid-dividing head 135；The liquid-dividing head 135
Cross sectional shape be semicircle.Melt object by can be collided with liquid-dividing head 135 when confluence mechanism 134, sliding extension bar 138 passes through
Coordinate with spring so that liquid-dividing head 135 generates concussion, the concussion that liquid-dividing head 135 generates can act on thawing object, further carry
The high mixing efficiency for melting object.
As one embodiment of the present invention, the air pressure balance plate 21 includes No.1 upper plate, No.1 side plate and one
Number lower plate；The No.1 upper plate is fixedly mounted on by No.1 side plate on No.1 lower plate；The No.1 lower plate it is upper
Surface is uniformly provided with multiple through-holes through No.1 lower plate, and spiral is installed between No.1 upper plate and No.1 lower plate
Plate 211；The left side of the No.1 side plate is equipped with No.1 air admission hole；The right side of the No.1 side plate is equipped with No. two air admission holes；Spiral
Plate 211 to the vapor inside air pressure balance plate 21 for playing the role of dredging, to improve 21 internal water of air pressure balance plate
The uniformity of steam.
As one embodiment of the present invention, the foaming mechanisms 31 includes 311, No. two air inlet pipe 312 of mounting bracket, storage
Gas storehouse 313 and nozzle 314；The gas storage storehouse 313 is fixedly mounted on by mounting bracket 311 on the side plate in foaming storehouse 34, gas storage storehouse
313 left-hand face is equipped with No. three air inlets, and No. three air inlets are fixedly connected with the right end of No. two air inlet pipe 312；The nozzle
314 are connected by No. four pipes with gas storage storehouse 313；The upper surface of the nozzle 314 is equipped with spray orifice 315；Nozzle 314 is used for No. two
The thawing raw material flowed down in opening 111 carries out vapor sprinkling, to improve the nebulization efficiency for melting raw material.
As one embodiment of the present invention, 315 top of the spray orifice is installed with taper spray column 316；Spray orifice 315
In vapor by spray column be sprayed onto foaming storehouse 34 in；Meanwhile the raw material melted in No. two openings 111 can be wandered to nozzle
314 upper surface, to which spray orifice 315 can be blocked；Taper spray column 316 is used to prevent the raw material after thawing in the upper table of nozzle 314
Surface current blocks spray orifice 315 when dynamic.
When work, distilled water is transported to by water inlet 317 in water storehouse 4, is then closed water inlet 317；Raw material
It is transported in cartridge heater 12 by No.1 feed inlet 318, then closes No.1 charging 318；Cartridge heater 12 adds raw material
Heat, motor 15 drive agitating plate 13 to be stirred raw material by rotating bar 14；Under the action of cartridge heater 12, in water storehouse 4
Distillation water evaporation, open No.1 solenoid valve 22 vapor made to enter air pressure by No.1 opening, hose, No.1 air gauge and put down
It weighs in plate 21, the vapor in air pressure balance plate 21 is entered by through-hole in foaming storehouse 34, the heating device in storehouse 34 of foaming
In running order, then opening No. two solenoid valves 32 makes vapor pass through No.1 opening, hose, No. two pressure gauges 33, two
Air inlet pipe 312, gas storage storehouse 313, nozzle 314 and taper spray column 316 are towards No. two 111 sprinklings of opening, then at No. two openings 111
Control door open, the raw material melted in cartridge heater 12 is flowed by No. two openings 111 in foaming storehouse 34, in taper spray column
Under the action of 316, foamable reaction occurs for raw material, and the expanding foam solution after reaction is delivered to moulding by casting in grinding tool by discharge port 319.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
1. a kind of polyurethane thermal insulation board foamed system, it is characterised in that：It is single including agitating unit (1), water control unit (2) and foaming
First (3), the agitating unit (1) includes mixing chamber (11), cartridge heater (12), four agitating plates (13), rotating bar (14) and electricity
Machine (15)；The mixing chamber (11) is cylinder type, and being equipped with No.1 on the left of the upper surface of mixing chamber (11) is open, in mixing chamber (11)
Portion is installed with cartridge heater (12)；Agitating plate (13) there are four being set in the cylinder type cartridge heater (12)；Four stirrings
Plate (13) is fixedly connected by rotating bar (14) with the shaft of motor (15)；The outer wall and mixing chamber (11) of the cartridge heater (12)
Inner wall between be water storehouse (4)；Wherein,
The water control unit (2) includes air pressure balance plate (21), No.1 solenoid valve (22), No.1 pressure gauge (23), No. three electromagnetism
Valve (24)；The air pressure balance plate (21) is fixedly mounted on the lower surface of mixing chamber (11)；The air pressure balance plate (21) passes through
No.1 solenoid valve (22), No.1 pressure gauge (23) are fixedly connected with No.1 opening, and the right side of air pressure balance plate (21) passes through No. three
Solenoid valve (24) is connected with the external world；The foamed cell (3) includes foaming storehouse (34), foaming mechanisms (31), No. two solenoid valves
(32) and No. two pressure gauges (33), the foaming storehouse (34) are interior equipped with foaming mechanisms (31), No. two solenoid valves (32) and No. two pressures
Power table (33), the foaming mechanisms (31) are connected by No. two solenoid valves (32) and No. two pressure gauges (33) with No.1 opening；Institute
Agitating unit (1) is stated for being stirred to raw material, water control unit (2) carries out raw material by coordinating with foamed cell (3)
Foaming.
2. a kind of polyurethane thermal insulation board foamed system according to claim 1, it is characterised in that：The air pressure balance plate
(21) lower surface center is equipped with No. two openings (111) through mixing chamber (11) lower plate；No. two openings (111)
Lower end for circle, No. two openings (111) is equipped with draining plate (112)；The upper surface of the draining plate (112) is equipped with multiple run through
To the liquid outlet of draining plate (112).
3. a kind of polyurethane thermal insulation board foamed system according to claim 1, it is characterised in that：Four agitating plates
(13) it is same component, agitating plate (13) is rectangular slab, and the cross sectional shape of agitating plate (13) is arc-shaped；The agitating plate
(13) No. four openings (131) are staggeredly disposed on, No. four openings (131) are rectangle, and No. four openings (131) are equipped with drain
Mechanism (132).
4. a kind of polyurethane thermal insulation board foamed system according to claim 3, it is characterised in that：The drain mechanism
(132) include two pieces of liquid separatnig plates (133) and confluence mechanism (134)；Liquid separatnig plate (133) and confluence mechanism (134) are fixedly mounted on
In No. four mouths, liquid separatnig plate (133) is by coordinating the stirring for accelerating raw material with confluence mechanism (134)；The liquid separatnig plate (133)
For cuboid template.
5. a kind of polyurethane thermal insulation board foamed system according to claim 4, it is characterised in that：The confluence mechanism
(134) include liquid-dividing head (135), metal folding pipe (136) and closed plate (137)；The liquid-dividing head (135) passes through sliding extension
Bar (138) is fixedly mounted in closed plate (137)；The outer layer of the sliding extension bar (138) is cased with spring；The metal folding
Pipe (136) is located at the outer layer of sliding extension bar (138)；One end of metal folding pipe (136) is fixedly connected with closed plate (137),
The other end of metal folding pipe (136) is fixedly connected with liquid-dividing head (135)；The cross sectional shape of the liquid-dividing head (135) is semicircle
Shape.
6. a kind of polyurethane thermal insulation board foamed system according to claim 2, it is characterised in that：The air pressure balance plate
(21) include No.1 upper plate, No.1 side plate and No.1 lower plate；The No.1 upper plate is fixedly mounted on by No.1 side plate
On No.1 lower plate；The upper surface of the No.1 lower plate is uniformly provided with multiple through-holes through No.1 lower plate, bottom in No.1
Spiral plate (211) is installed between plate and No.1 lower plate；The left side of the No.1 side plate is equipped with No.1 air admission hole；It is described
The right side of No.1 side plate is equipped with No. two air admission holes.
7. a kind of polyurethane thermal insulation board foamed system according to claim 1, it is characterised in that：The foaming mechanisms (31)
Including mounting bracket (311), No. two air inlet pipe (312), gas storage storehouse (313) and nozzle (314)；The gas storage storehouse (313) passes through peace
(311) to be shelved to be fixedly mounted on the side plate of foaming storehouse (34), the left-hand face of gas storage storehouse (313) is equipped with No. three air inlets, and three
Number air inlet is fixedly connected with the right end of No. two air inlet pipe (312)；The nozzle (314) passes through No. four pipes and gas storage storehouse (313)
It is connected；The upper surface of the nozzle (314) is equipped with spray orifice (315).
8. a kind of polyurethane thermal insulation board foamed system according to claim 7, it is characterised in that：On the spray orifice (315)
Side is installed with taper spray column (316).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252853.2A CN108422616B (en) | 2018-03-26 | 2018-03-26 | Polyurethane insulation board foaming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252853.2A CN108422616B (en) | 2018-03-26 | 2018-03-26 | Polyurethane insulation board foaming system |
Publications (2)
| Publication Number | Publication Date |
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| CN108422616A true CN108422616A (en) | 2018-08-21 |
| CN108422616B CN108422616B (en) | 2020-01-07 |
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ID=63159712
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810252853.2A Active CN108422616B (en) | 2018-03-26 | 2018-03-26 | Polyurethane insulation board foaming system |
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| Country | Link |
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| CN (1) | CN108422616B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111483105A (en) * | 2020-04-23 | 2020-08-04 | 合肥荣丰包装制品有限公司 | EPS foam material forming device and process |
| CN113601113A (en) * | 2021-08-05 | 2021-11-05 | 冷联科技(南京)有限公司 | Preparation method and preparation device of energy storage plate |
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| JP2017030179A (en) * | 2015-07-30 | 2017-02-09 | 有限会社三宝金型製作所 | Die for expanded resin molded body |
| CN107803966A (en) * | 2017-11-06 | 2018-03-16 | 无锡龙博机械有限公司 | A kind of polyurethane foaming machine for rolling screen door processing |
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| CN106042252A (en) * | 2016-07-04 | 2016-10-26 | 安徽斯威达建材科技有限公司 | Full-automatic foam pre-generating machine |
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| CN109318422A (en) * | 2018-09-03 | 2019-02-12 | 嘉善欣达胶业有限公司 | A kind of Flock Adhesive foam device |
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| CN111483105A (en) * | 2020-04-23 | 2020-08-04 | 合肥荣丰包装制品有限公司 | EPS foam material forming device and process |
| CN111483105B (en) * | 2020-04-23 | 2021-09-24 | 合肥荣丰包装制品有限公司 | EPS foam material forming device and process |
| CN113601113A (en) * | 2021-08-05 | 2021-11-05 | 冷联科技(南京)有限公司 | Preparation method and preparation device of energy storage plate |
| CN113601113B (en) * | 2021-08-05 | 2022-05-27 | 冷联科技(南京)有限公司 | Preparation method and preparation device of energy storage plate |
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|---|---|
| CN108422616B (en) | 2020-01-07 |
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