CN108407186A - 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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- CN108407186A CN108407186A CN201810284314.7A CN201810284314A CN108407186A CN 108407186 A CN108407186 A CN 108407186A CN 201810284314 A CN201810284314 A CN 201810284314A CN 108407186 A CN108407186 A CN 108407186A
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- plate
- raw materials
- stirring
- reaction
- rotating plate
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Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 26
- 239000004814 polyurethane Substances 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 title claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 123
- 238000003756 stirring Methods 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000005187 foaming Methods 0.000 claims description 107
- 238000000227 grinding Methods 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000006260 foam Substances 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 abstract description 2
- 230000005587 bubbling Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 36
- 239000007788 liquid Substances 0.000 description 21
- 238000002156 mixing Methods 0.000 description 14
- 239000012295 chemical reaction liquid Substances 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention belongs to polyurethane production apparatus field, specifically a kind of polyurethane thermal insulation board foamed system, including foamed pot, stirring module and reaction module；Cover board by hollow rotating shaft rotate on the upper plate of foamed pot；Reaction module is located at the inside of connecting cylinder, and reaction module includes feed pipe, swivel plate and hinge bar, the upper end rotation of the feed pipe mounted on the lower surface of cover board；The outer wall of the feed pipe is hinged on by hinge bar on the inner wall of No. two side plates；The hinge bar is sliding extension bar；The side wall of the feed pipe is equipped with No. three water outlets；Reaction module carries out foamable reaction for the cylinder that is connected to raw material.Present invention is mainly used for thermal insulation material is produced in enormous quantities, the scrap rates of bubble in expanding foam solution can be reduced, the bubbling efficiency of raw material is improved.
Description
Technical Field
The invention belongs to the field of polyurethane production equipment, and particularly relates to a polyurethane insulation board foaming system.
Background
With the shortage of the housing area of modern families, the thin-wall requirement of household refrigerator products is increasingly strong. In the manufacturing process of a refrigerator thin-wall product, the wall thickness of the refrigerator is reduced, so that the heat insulation performance of a foaming layer is poor, the mechanical strength is poor, the foaming raw material flows insufficiently at the corner with a complex structure, and the phenomenon of incomplete filling occurs. The cyclopentane foaming system widely used in the refrigerator at present can not meet the technical requirements of thin-walled products, so that the development of a foaming system with high fluidity, high heat preservation and high strength is imperative.
Some technical schemes of polyurethane foaming equipment also appear in the prior art, for example, a Chinese patent with application number of 201510094396.5 discloses a production foaming equipment of polyurethane sealing strips, and the machine tool uses two stepping motors on the upper part of a pouring head, so that the problem of blockage of a discharging pipe is solved. The material leakage is prevented upwards in the stirring area. The machine tool body is internally provided with the air conditioner, so that the polyurethane can enable the fluidity in the hose pipeline to meet the requirement of the optimal flow quantity under the temperature control, and meanwhile, the requirement of foaming the product in the foaming chamber on temperature foaming is also met. The bottom of the machine tool below the machine tool body is provided with a product foaming chamber, the bottom surface of the foaming chamber is provided with a rolling chain belt type conveying mechanism, a product of a polyurethane sealing strip is poured, after the product enters an F front opening of a temperature control foaming chamber, the product can be quickly foamed and shaped within a certain time under the regulation of temperature control and conveying speed, and the foamed and shaped product is sent out from a rear outlet.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a polyurethane insulation board foaming system which is mainly used for producing insulation materials in a large scale, can improve the uniformity of raw materials and can reduce the breaking rate of bubbles in foaming liquid. The reaction module and the connecting cylinder are matched to reduce the breaking rate of bubbles; the material suction head, the material conveying pipe, the second stirring unit and the connecting cylinder are matched to realize the flowing type uniform mixing of the raw materials; according to the invention, the first stirring device and the second grinding device are matched to further crush and stir the raw materials, so that the foaming efficiency of the raw materials is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a polyurethane insulation board foaming system which comprises a foaming tank, a stirring module and a reaction module; wherein, the structure and principle of the foaming tank are not the innovation of the present case, and are not described herein again; the stirring module is positioned in the foaming tank and comprises a suction head, a conveying pipe, a second stirring unit and a connecting cylinder; the material suction head is fixedly arranged on the outer surface of the connecting cylinder through a material conveying pipe, the material conveying pipe is used for conveying raw materials in the material suction head into the connecting cylinder, the second stirring unit is fixedly arranged on the inner wall of the material conveying pipe through a third connecting rod, and the second stirring unit is used for stirring the raw materials in cooperation with the material conveying pipe; the connecting cylinder comprises a cover plate and a second side plate; the second side plate is fixedly arranged on the lower surface of the cover plate, and the cover plate is rotatably arranged on the upper bottom plate of the foaming tank through a hollow rotating shaft; a second opening is formed in the surface of the second side plate; the reaction module is positioned inside the connecting cylinder and is used for performing foaming reaction on the raw materials in a manner of being matched with the connecting cylinder; when the device works, the motor drives the connecting cylinder to rotate through the hollow rotating shaft, so that reaction raw materials in the foaming tank are collected into the connecting cylinder through the material suction head and the material conveying pipe, and the reaction raw materials in the connecting cylinder flow into the foaming tank again through the second opening and the bottom of the connecting cylinder, so that the reaction raw materials in the foaming tank flow, and the flowing type uniform mixing of the reaction raw materials is realized; meanwhile, the second stirring unit is matched with the material conveying pipe to impact the flowing raw materials, so that the stirring efficiency of the stirring module on the reaction raw materials is improved; the reaction module is used for carrying out foaming reaction on reaction raw materials in the connecting cylinder, and the connecting cylinder is used for creating a closed environment for the foaming reaction, so that the bubbles in the foaming liquid are effectively prevented from being broken; the foaming liquid enters the foaming tank again through the second opening and the bottom of the connecting cylinder, and continuous foaming of the reaction raw materials is further realized.
The second stirring unit comprises a first stirring device and a second grinding device, and the first stirring device is used for stirring the raw materials in the conveying pipe; the second grinding device is used for grinding the raw materials in the conveying pipe; the first stirring device comprises a first mounting box, a first rotating plate, a first supporting rod, a first sliding plate, a first fixing plate, a first folding pipe and a second folding pipe, wherein the first fixing plate is fixedly mounted on the lower surface of the first rotating plate through the first supporting rod; the first sliding plate is slidably arranged on the first supporting rod; the first sliding plate is connected with the first fixing plate through a spring; the first folding tube is used for sealing the spring; the first rotating plate is rotatably arranged in the first mounting box, and a second folding pipe is fixedly arranged between the first rotating plate and the inner wall of the first mounting box; when the material suction head and the material conveying pipe rotate, the reaction raw materials collide with the first sliding plate, and the first sliding plate is matched with the spring and the first fixing plate to generate vibration, so that the reaction raw materials in the material conveying pipe are vibrated, and the efficiency of uniformly mixing the reaction raw materials is improved; the second folding tube is used for preventing the reaction liquid from flowing into the first mounting box; simultaneously, No. two folding tubes self can rotate certain angle, and No. two folding tubes can make the reciprocal rotation of a rotor plate certain angle through cooperating with the mounting box to drive a sliding plate and a fixed plate and make reciprocal rotation motion, and then improved the efficiency that the raw materials mixes in the conveying pipeline.
The second grinding device comprises a second mounting box, a second rotating plate, a second support frame and a second spherical arc grinding cover; the second mounting box and the first mounting box are the same component; the second rotating plate and the first rotating plate are the same component; the second spherical arc type grinding cover is fixedly connected with the second rotating plate through a second supporting frame; a plurality of filtering holes are uniformly formed in the second spherical arc type grinding cover; the internal surface that the cover was ground to No. two spherical arcs type is used for improving No. two spherical arcs type and grinds the area of contact of cover and reaction raw materials for spherical arcs shape, and the conveying pipeline is when rotating, and reaction raw materials and No. two spherical arcs type grind the cover and take place the extrusion to make No. two spherical arcs type grind the left reaction raw materials of cover and be extruded through filtering the hole and discharge, thereby make the granule in the reaction raw materials filtered the hole extrusion breakage, and then improved the efficiency of the mixture of reaction raw materials in the conveying section of thick bamboo.
Preferably, the upper surface of the first sliding plate is uniformly provided with a plurality of impact blocks, and the impact blocks are hemispherical and used for increasing the impact area of the first sliding plate and the reaction raw materials, so that the impact efficiency of the impact blocks on the reaction raw materials is increased; a second impact mechanism is arranged between the impact blocks; the second impact mechanism is used for homogenizing the raw materials in the conveying pipe; the second impact mechanism is used for matching with the impact block to impact the reaction raw materials, so that the mixing and homogenizing efficiency of the reaction raw materials is improved.
Preferably, the second impact mechanism comprises a second impact plate, a second limit plate and a second connecting rod; the second impact plate is hinged with the upper end ball of the second connecting rod; the second limiting plate is used for limiting the second impact plate; the upper surface of the second impact plate is corrugated, and the surface of the second impact plate is corrugated and used for crushing particles existing in reaction raw materials, so that the mixing and homogenizing efficiency of the reaction raw materials is improved.
Preferably, inhale the stub bar and be the cylinder type, inhale the outer end fixed mounting of stub bar and have the drainage cover, the drainage cover is the round platform type, and the drainage cover is used for increasing the efficiency that reaction raw materials flowed into the conveying pipeline in the foaming tank through with inhaling the stub bar cooperation to reaction raw materials's stirring efficiency has been improved.
Preferably, filter fixed mounting has two-way spiral silk in the hole, and two-way spiral silk is arranged in cutting the reaction raw materials who filters in the hole, and two-way spiral silk has certain elasticity simultaneously, and the spiral silk can prevent through the elastic deformation of self that the reaction raw materials from plugging up and filter the hole to the cutting efficiency of filter hole to reaction raw materials has been improved.
Preferably, the reaction module comprises a water supply pipe, a rotation plate and a hinge rod, wherein the upper end of the water supply pipe is rotatably mounted on the lower surface of the cover plate; the outer wall of the water supply pipe is hinged to the inner wall of the second side plate through a hinge rod; the hinged rod is a sliding telescopic rod; a third water outlet is formed in the side wall of the water supply pipe; the rotating plate is uniformly arranged on the outer wall of the water supply pipe from top to bottom; distilled water flows into a water supply pipe through the hollow rotating shaft, water in the water supply pipe flows into the connecting cylinder through a third water outlet, so that reaction raw materials in the connecting cylinder are subjected to foaming reaction, the water supply pipe is matched with the connecting cylinder to effectively prevent bubbles in foaming liquid from being broken and lost, so that the foaming efficiency is improved, the stirring module is used for fully foaming the reaction liquid by exchanging the foaming liquid in the connecting cylinder with the reaction raw materials outside, and the uniformity of the bubbles in the foaming liquid is improved; when the motor drives the connecting cylinder to do intermittent reciprocating rotation through the hollow rotating shaft, the hinged rod enables the water supply pipe to do reciprocating rotation relatively with the connecting cylinder through matching with the connecting cylinder, so that the rotating plate is driven to stir reaction liquid in the connecting cylinder, and the foaming reaction speed is further improved.
Preferably, a plurality of openings of four numbers are formed in the left end and the right end of the rotating plate along the vertical direction, the openings of four numbers are rectangular, a circular table opening penetrating through the rotating plate is formed in the upper surface of the rotating plate, and the stirring blades are fixedly installed in the circular table opening through a support; the fourth opening is used for being matched with the rotating plate to stir the raw materials in the second side plate; the stirring blades are used on the rotating plate
The reaction raw materials of the method are stirred, so that gas generated in the foaming reaction is uniformly dispersed in the reaction liquid, the uniformity of bubbles in the foaming liquid is improved, and the consistency of the content of the bubbles in the foaming liquid is improved.
Preferably, the cross section of the fourth opening is in an inverted V shape, so that the fourth opening is not easily blocked by the raw materials when the fourth opening homogenizes the reaction raw materials; the calibers at the two ends of the fourth opening are larger than the calibers at the center of the fourth opening, so that reaction raw materials can flow into the fourth opening quickly and the raw materials in the fourth opening flow out quickly; the calibers at the two ends of the fourth opening are larger than the calibers at the center of the fourth opening, so that the large-particle raw materials are extruded and crushed by the fourth opening, and the foaming reaction efficiency is improved.
Preferably, a fifth rectangular groove is formed in the center of the inner wall of the lower end of the fourth opening; a fifth vibration block is arranged in the fifth rectangular groove; the fifth vibration block is fixedly arranged in the fifth rectangular groove through a spring; the fifth vibration block is in a pentagonal prism shape; no. five vibrations pieces make uncrushed raw materials pass through No. four openings through with No. five rectangular channel, spring cooperation to effectively prevent that the raw materials from blockking up the condition of No. four openings, and then improved the efficiency that the raw materials mixes.
The invention has the beneficial effects that:
1. the invention relates to a polyurethane insulation board foaming system which comprises a foaming tank, a stirring module and a reaction module; the stirring module is used for carrying out suction-type stirring to the raw materials, and the reaction module is located the inside of stirring module to make the inside foaming liquid of stirring module be difficult for breakage, and then improved the foaming efficiency of whole reaction raw materials in the foaming tank.
2. The polyurethane insulation board foaming system comprises a reaction module, a foaming module and a foaming module, wherein the reaction module comprises a water supply pipe, a rotating plate and a hinge rod; the water supply pipe is used for conveying distilled water to the interior of the connecting cylinder, and the hinged rod is used for enabling the water supply pipe to rotate relative to the connecting cylinder; the rotating plate is used for enabling bubbles of foaming liquid in the connecting cylinder to be uniformly distributed; the hinged rod is matched with the water supply pipe to realize that the water supply pipe can rotate relative to the connecting cylinder, so that reaction raw materials in the connecting cylinder are fully contacted with water; thereby improving the foaming efficiency of the reaction raw materials; hinge bar, delivery pipe have realized through cooperating with the rotor plate that the rotor plate rotates for the connecting cylinder to improve the mixing efficiency of the inside reaction raw materials of connecting cylinder, and then improved the homogeneity of bubble dispersion in the foaming liquid.
3. The polyurethane insulation board foaming system comprises a stirring module, a stirring module and a foaming module, wherein the stirring module comprises a suction head, a conveying pipe, a second stirring unit and a connecting cylinder; the material suction head and the material conveying pipe are matched with the connecting cylinder to carry out flowing type stirring on reaction raw materials in the foaming tank; no. two stirring unit are through strikeing and rolling the raw materials that pass through the conveying pipeline with the conveying pipeline cooperation to improved the broken efficiency of reaction raw materials, and then improved the efficiency of reaction raw materials mixing homogenization.
4. According to the polyurethane insulation board foaming system, the second stirring unit comprises the first stirring device and the second grinding device; the first stirring device is used for carrying out impact type stirring on the reaction raw materials, and the second grinding device is used for further cutting and grinding the reaction raw materials in cooperation with the first stirring device; no. two spherical arc type among the grinder grind the cover and can carry out the rolling formula breakage to reaction raw materials, is equipped with two-way spiral silk in the filtration pore in No. two spherical arc type grind the cover simultaneously to improved the crushing efficiency of filtration pore pair reaction raw materials, and then improved the efficiency of reaction raw materials mixing.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 2;
FIG. 5 is an enlarged view of a portion D of FIG. 2;
FIG. 6 is a partial enlarged view of E in FIG. 5;
FIG. 7 is an enlarged view of a portion F of FIG. 5;
FIG. 8 is a sectional view taken along line G-G of FIG. 7;
FIG. 9 is a sectional view taken along line H-H in FIG. 3;
FIG. 10 is a cross-sectional view J-J of FIG. 9;
in the figure: foaming tank 1, stirring module 2, reaction module 3, suction head 21, material conveying pipe 22, No. two stirring units 23, connecting cylinder 24, No. three connecting rods 231, No. two openings 25, No. one stirring device 4, No. two grinding devices 5, No. one mounting box 41, No. one rotating plate 42, No. one supporting rod 43, No. one sliding plate 45, No. one fixing plate 46, No. one folding pipe 47, No. two folding pipes 48, No. two mounting boxes 51, No. two rotating plates 52, No. two supporting frames 53, No. two spherical arc type grinding covers 54, filtering holes, impact blocks 452, No. two impact mechanisms 6, No. two impact plates 61, No. two limiting plates 62, No. two connecting rods 63, drainage covers 211, bidirectional spiral threads 543, water supply pipe 31, rotating plate 32, hinge rod 33, No. three water outlets 311, No. four openings 321, circular truncated cone 322, No. five rectangular grooves 323, and No. five vibration blocks 324.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 10, the polyurethane insulation board foaming system of the present invention includes a foaming tank 1, a stirring module 2 and a reaction module 3; wherein, the structure and principle of the foaming tank 1 are not the innovation of the present case, and are not described herein again; the stirring module 2 is positioned inside the foaming tank 1, and the stirring module 2 comprises a suction head 21, a material conveying pipe 22, a second stirring unit 23 and a connecting cylinder 24; the suction head 21 is fixedly arranged on the outer surface of the connecting cylinder 24 through the conveying pipe 22, the conveying pipe 22 is used for conveying raw materials in the suction head 21 to the connecting cylinder 24, the second stirring unit 23 is fixedly arranged on the inner wall of the conveying pipe 22 through the third connecting rod 231, and the second stirring unit 23 is used for stirring the raw materials in cooperation with the conveying pipe 22; the connecting cylinder 24 comprises a cover plate and a second side plate; the second side plate is fixedly arranged on the lower surface of the cover plate, and the cover plate is rotatably arranged on the upper bottom plate of the foaming tank 1 through a hollow rotating shaft; a second opening 25 is formed in the surface of the second side plate; the reaction module 3 is positioned inside the connecting cylinder 24, and the reaction module 3 is used for performing foaming reaction on the raw materials in cooperation with the connecting cylinder 24; when the device works, the motor drives the connecting cylinder 24 to rotate through the hollow rotating shaft, so that reaction raw materials in the foaming tank 1 are collected into the connecting cylinder 24 through the material suction head 21 and the material conveying pipe 22, the reaction raw materials in the connecting cylinder 24 flow into the foaming tank 1 again through the second opening 25 and the bottom of the connecting cylinder 24, the reaction raw materials in the foaming tank 1 flow, and the flowing type uniform mixing of the reaction raw materials is further realized; meanwhile, the second stirring unit 23 is matched with the material conveying pipe 22 to impact the flowing raw materials, so that the stirring efficiency of the stirring module 2 on the reaction raw materials is improved; the reaction module 3 is used for carrying out foaming reaction on reaction raw materials in the connecting cylinder 24, and the connecting cylinder 24 is used for creating a closed environment for the foaming reaction, so that the bubbles in the foaming liquid are effectively prevented from being broken; the foaming liquid enters the foaming tank 1 again through the second opening 25 and the bottom of the connecting cylinder 24, and continuous foaming of the reaction raw materials is realized.
The second stirring unit 23 comprises a first stirring device 4 and a second grinding device 5, wherein the first stirring device 4 is used for stirring raw materials in the conveying pipe 22; the second grinding device 5 is used for grinding the raw materials in the conveying pipeline 22; the first stirring device 4 comprises a first mounting box 41, a first rotating plate 42, a first supporting rod 43, a first sliding plate 45, a first fixing plate 46, a first folding pipe 47 and a second folding pipe 48, wherein the first fixing plate 46 is fixedly mounted on the lower surface of the first rotating plate 42 through the first supporting rod 43; the first sliding plate 45 is slidably mounted on the first supporting rod 43; the first sliding plate 45 is connected with the first fixing plate 46 through a spring; the first folding tube 47 is used for sealing the spring; the first rotating plate 42 is rotatably installed in the first installation box 41, and a second folding pipe 48 is fixedly installed between the first rotating plate 42 and the inner wall of the first installation box 41; when the suction head 21 and the material conveying pipe 22 rotate, the reaction raw materials collide with the first sliding plate 45, and the first sliding plate 45 is matched with the spring and the first fixing plate 46 to vibrate, so that the reaction raw materials in the material conveying pipe 22 are vibrated, and the efficiency of uniformly mixing the reaction raw materials is improved; the second folding tube 48 is used for preventing the reaction liquid from flowing into the first mounting box 41; meanwhile, the second folding pipe 48 can rotate by a certain angle, and the second folding pipe 48 can make the first rotating plate 42 rotate in a reciprocating manner by a certain angle through matching with the first mounting box 41, so that the first sliding plate 45 and the first fixing plate 46 are driven to do reciprocating rotation movement, and the efficiency of mixing raw materials in the conveying pipe 22 is improved.
The second grinding device 5 comprises a second mounting box 51, a second rotating plate 52, a second supporting frame 53 and a second spherical arc grinding cover 54; the second mounting box 51 and the first mounting box 41 are the same component; the second rotating plate 52 and the first rotating plate 42 are the same component; the second spherical arc type grinding cover 54 is fixedly connected with the second rotating plate 52 through a second supporting frame 53; a plurality of filtering holes 541 are uniformly arranged in the second spherical arc type grinding cover 54; the internal surface of No. two spherical arc type grinds cover 54 is used for improving No. two spherical arc type and grinds cover 54 and the area of contact of reaction material for the spherical arc, and conveying pipeline 22 is when rotating, and reaction material grinds cover 54 with No. two spherical arc types and takes place the extrusion to make No. two left reaction material of spherical arc type grinding cover 54 extrude the discharge through filtering hole 541, thereby make the granule in the reaction material extrude the breakage by filtering hole 541, and then improved the efficiency of the mixture of reaction material in the conveying feed cylinder.
As an embodiment of the present invention, a plurality of impact blocks 452 are uniformly arranged on the upper surface of the first sliding plate 45, and the impact blocks 452 are hemispherical to increase the impact area between the first sliding plate 45 and the reaction raw material, so that the impact efficiency of the impact blocks 452 on the reaction raw material is increased; a second impact mechanism 6 is arranged between the impact blocks 452; the second striking mechanism 6 is used for homogenizing the raw materials in the feed delivery pipe 22; the second striking mechanism 6 is used for being matched with the striking block 452 to strike the reaction raw materials, so that the mixing and homogenizing efficiency of the reaction raw materials is improved.
As an embodiment of the present invention, the second striking mechanism 6 includes a second striking plate 61, a second limit plate 62, and a second connecting rod 63; the second impact plate 61 is hinged with the upper end ball of the second connecting rod 63; the second limiting plate 62 is used for limiting the second impact plate 61; the upper surface of the second impact plate 61 is corrugated, and the surface of the second impact plate 61 is corrugated for crushing particles existing in the reaction raw materials, so that the mixing and homogenizing efficiency of the reaction raw materials is improved.
As an embodiment of the present invention, the suction head 21 is cylindrical, the outer end of the suction head 21 is fixedly provided with the drainage cover 211, the drainage cover 211 is circular truncated cone-shaped, and the drainage cover 211 is used to increase the efficiency of the reaction raw material in the foam tank 1 flowing into the material conveying pipe 22 by cooperating with the suction head 21, so as to improve the stirring efficiency of the reaction raw material.
In an embodiment of the present invention, the bidirectional spiral wire 543 is fixedly installed in the filtering hole 541, the bidirectional spiral wire 543 is used for cutting the reaction raw material in the filtering hole 541, and the bidirectional spiral wire 543 has a certain elasticity, and the spiral wire can prevent the reaction raw material from blocking the filtering hole 541 by its elastic deformation, thereby improving the efficiency of cutting the reaction raw material by the filtering hole 541.
As an embodiment of the present invention, the reaction module 3 includes a water supply pipe 31, a rotation plate 32, and a hinge rod 33, an upper end of the water supply pipe 31 being rotatably installed at a lower surface of the cover plate; the outer wall of the water supply pipe 31 is hinged on the inner wall of the second side plate through a hinge rod 33; the hinged rod 33 is a sliding telescopic rod; a third water outlet 311 is arranged on the side wall of the water supply pipe 31; the rotation plate 32 is uniformly arranged on the outer wall of the water supply pipe 31 from top to bottom; distilled water flows into the water supply pipe 31 through the hollow rotating shaft, water in the water supply pipe 31 flows into the connecting cylinder 24 through the third water outlet 311, so that a reaction raw material in the connecting cylinder 24 is subjected to foaming reaction, the water supply pipe 31 can effectively prevent bubbles in foaming liquid from being broken and lost through matching with the connecting cylinder 24, so that the foaming efficiency is improved, the stirring module 2 enables the reaction liquid to be fully foamed through exchanging the foaming liquid in the connecting cylinder 24 with an external reaction raw material, and the uniformity of the bubbles in the foaming liquid is improved; when the motor drives the connecting cylinder 24 to perform intermittent reciprocating rotation through the hollow rotating shaft, the hinge rod 33 is matched with the connecting cylinder 24 to enable the water supply pipe 31 to perform reciprocating rotation relatively with the connecting cylinder 24, so that the rotating plate 32 is driven to stir the reaction liquid in the connecting cylinder 24, and the foaming reaction rate is further improved.
As an embodiment of the present invention, a plurality of four-size openings 321 are vertically formed at both left and right ends of the rotating plate 32, the four-size openings 321 are rectangular, a circular table opening 322 penetrating through the rotating plate 32 is formed in the upper surface of the rotating plate 32, and the stirring blade is fixedly mounted in the circular table opening 322 through a bracket; the fourth opening 321 is used for matching with the rotating plate 32 to stir the raw material inside the second side plate; the stirring blades are used for stirring the reaction raw materials above the rotating plate 32, so that gas generated in the foaming reaction is uniformly dispersed in the reaction liquid, the uniformity of bubbles in the foaming liquid is improved, and the consistency of the content of the bubbles in the foaming liquid is improved.
As an embodiment of the present invention, the cross-sectional shape of the fourth opening 321 is Λ -shaped, so that the fourth opening 321 is not easily clogged by the raw material when the fourth opening 321 homogenizes the reaction raw material; the calibers at the two ends of the fourth opening 321 are larger than the calibers at the center of the fourth opening 321, so that reaction raw materials can flow into the fourth opening 321 quickly, and the raw materials in the fourth opening 321 flow out quickly; the calibers at the two ends of the fourth opening 321 are larger than the calibers at the center of the fourth opening 321, so that the large-particle raw material is crushed by the fourth opening 321, and the foaming reaction efficiency is improved.
As an embodiment of the present invention, a fifth rectangular groove 323 is formed in the center of the inner wall of the lower end of the fourth opening 321; a fifth vibration block 324 is arranged in the fifth rectangular groove 323; the fifth vibration block 324 is fixedly arranged in the fifth rectangular groove 323 through a spring; the fifth vibration block 324 is in a pentagonal prism shape; the fifth vibration block 324 is matched with the fifth rectangular groove 323 and the spring to enable uncrushed raw materials to pass through the fourth opening 321, so that the situation that the raw materials block the fourth opening 321 is effectively prevented, and the raw material mixing efficiency is improved.
When the device works, solid reaction raw materials are added into the foaming tank 1, the foaming tank 1 heats and melts the raw materials, and the motor drives the connecting cylinder 24 to intermittently rotate through the hollow rotating shaft; the water supply pipe 31 intermittently rotates with respect to the connection cylinder 24; the reaction raw materials flow into the material conveying pipe 22 through the material suction head 21, the first sliding plate 45 in the material conveying pipe 22 firstly collides and crushes the reaction raw materials, and then the second spherical arc type grinding cover 54 in the material conveying pipe 22 cuts and grinds the reaction raw materials; then the reaction raw material in the material conveying pipe 22 flows into the connecting cylinder 24, the distilled water flows into the water supply pipe 31 through the hollow rotating shaft, the distilled water in the water supply pipe 31 flows into the connecting cylinder 24 through the third water outlet 311, and the distilled water and the reaction raw material in the connecting cylinder 24 carry out foaming reaction; when the water supply pipe 31 intermittently rotates, the rotating plate 32 uniformly mixes the foaming liquid, and then the foaming liquid flows to the foaming tank 1 through the second opening 25 and the bottom of the connecting cylinder 24, and simultaneously the raw material in the foaming tank 1 enters the connecting cylinder 24 again through the suction head 21 and the material conveying pipe 22; and pouring the foaming liquid after the reaction into a mould through a discharge hole of the foaming tank 1 for casting and molding.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A polyurethane insulation board foaming system comprises a foaming tank (1); the method is characterized in that: the device also comprises a stirring module (2) and a reaction module (3); the stirring module (2) is positioned inside the foaming tank (1), and the stirring module (2) comprises a suction head (21), a conveying pipe (22), a second stirring unit (23) and a connecting cylinder (24); the suction head (21) is fixedly arranged on the outer surface of the connecting cylinder (24) through the conveying pipe (22), the conveying pipe (22) is used for conveying raw materials in the suction head (21) to the connecting cylinder (24), the second stirring unit (23) is fixedly arranged on the inner wall of the conveying pipe (22) through the second connecting rod (231), and the second stirring unit (23) is used for stirring the raw materials in cooperation with the conveying pipe (22); the connecting cylinder (24) comprises a cover plate and a second side plate; the second side plate is fixedly arranged on the lower surface of the cover plate, and the cover plate is rotatably arranged on an upper bottom plate of the foaming tank (1) through a hollow rotating shaft; a second opening (25) is formed in the surface of the second side plate; the reaction module (3) is positioned inside the connecting cylinder (24), and the reaction module (3) is used for matching with the connecting cylinder (24) to carry out foaming reaction on the raw materials; wherein,
the reaction module (3) comprises a water supply pipe (31), a rotating plate (32) and a hinge rod (33), wherein the upper end of the water supply pipe (31) is rotatably arranged on the lower surface of the cover plate; the outer wall of the water supply pipe (31) is hinged on the inner wall of the second side plate through a hinge rod (33); the hinged rod (33) is a sliding telescopic rod; a third water outlet (311) is arranged on the side wall of the water supply pipe (31); the rotating plate (32) is uniformly arranged on the outer wall of the water supply pipe (31) from top to bottom;
the left end and the right end of the rotating plate (32) are respectively provided with a plurality of four openings (321) along the vertical direction, the four openings (321) are rectangular, the upper surface of the rotating plate (32) is provided with a circular table opening (322) penetrating through the rotating plate (32), and the stirring blades are fixedly arranged in the circular table openings (322) through a support; the fourth opening (321) is used for stirring the raw materials in the second side plate in cooperation with the rotating plate (32).
2. The polyurethane insulation board foaming system of claim 1, wherein: the cross-sectional shape of No. four opening (321) is Λ font, and the bore at No. four opening (321) both ends department is greater than the bore of No. four opening (321) central point position.
3. The polyurethane insulation board foaming system of claim 2, wherein: a fifth rectangular groove (323) is formed in the center of the inner wall of the lower end of the fourth opening (321); a fifth vibration block (324) is arranged in the fifth rectangular groove (323); the fifth vibration block (324) is fixedly arranged in a fifth rectangular groove (323) through a spring; the five-shaped vibration block (324) is of a pentagonal prism shape.
4. The polyurethane insulation board foaming system of claim 1, wherein: the second stirring unit (23) comprises a first stirring device (4) and a second grinding device (5), and the first stirring device (4) is used for stirring raw materials in the conveying pipe (22); the second grinding device (5) is used for grinding the raw materials in the conveying pipe (22); the first stirring device (4) comprises a first mounting box (41), a first rotating plate (42), a first supporting rod (43), a first sliding plate (45), a first fixing plate (46), a first folding pipe (47) and a second folding pipe (48), wherein the first fixing plate (46) is fixedly mounted on the lower surface of the first rotating plate (42) through the first supporting rod (43); the first sliding plate (45) is slidably arranged on the first supporting rod (43); the first sliding plate (45) is connected with the first fixing plate (46) through a spring; the first folding tube (47) is used for sealing the spring; the first rotating plate (42) is rotatably installed in the first installation box (41), and a second folding pipe (48) is fixedly installed between the inner walls of the first rotating plate (42) and the first installation box (41).
5. The polyurethane insulation board foaming system of claim 4, wherein: the second grinding device (5) comprises a second mounting box (51), a second rotating plate (52), a second supporting frame (53) and a second spherical arc grinding cover (54); the second mounting box (51) and the first mounting box (41) are the same component; the second rotating plate (52) and the first rotating plate (42) are the same component; the second spherical arc type grinding cover (54) is fixedly connected with the second rotating plate (52) through a second supporting frame (53); a plurality of filtering holes (541) are uniformly arranged in the second spherical arc type grinding cover (54).
6. The polyurethane insulation board foaming system of claim 4, wherein: a plurality of impact blocks (452) are uniformly arranged on the upper surface of the first sliding plate (45), the impact blocks (452) are hemispherical, and a second impact mechanism (6) is arranged between the impact blocks (452); the second striking mechanism (6) is used for homogenizing the raw materials in the feed delivery pipe (22).
7. The polyurethane insulation board foaming system of claim 6, wherein: the second impact mechanism (6) comprises a second impact plate (61), a second limit plate (62) and a second connecting rod (63); the second impact plate (61) is hinged with the upper end of the second connecting rod (63) through a ball; the second limiting plate (62) is used for limiting the second impact plate (61); the upper surface of the second impact plate (61) is corrugated.
8. The polyurethane insulation board foaming system of claim 1, wherein: inhale stub bar (21) and be the cylinder type, inhale the outer end fixed mounting of stub bar (21) and have drainage cover (211), drainage cover (211) are the round platform type.
9. The polyurethane insulation board foaming system of claim 5, wherein: and a bidirectional spiral wire (543) is fixedly arranged in the filtering hole (541).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284314.7A CN108407186A (en) | 2018-04-02 | 2018-04-02 | A kind of polyurethane thermal insulation board foamed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284314.7A CN108407186A (en) | 2018-04-02 | 2018-04-02 | A kind of polyurethane thermal insulation board foamed system |
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| CN108407186A true CN108407186A (en) | 2018-08-17 |
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| CN201810284314.7A Pending CN108407186A (en) | 2018-04-02 | 2018-04-02 | A kind of polyurethane thermal insulation board foamed system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203345A (en) * | 2018-10-08 | 2019-01-15 | 林枫 | A kind of polyurethane foam improved process |
| CN109318419A (en) * | 2018-09-10 | 2019-02-12 | 林枫 | A kind of polyurethane foaming equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0751174A1 (en) * | 1995-06-27 | 1997-01-02 | Dow Corning Toray Silicone Company Ltd. | Method for the preparation of silicone foam using gas filled microspheres |
| CN105922496A (en) * | 2016-06-29 | 2016-09-07 | 安徽三彩工贸有限责任公司 | Polyurethane foaming machine stirrer |
| CN105946165A (en) * | 2016-06-29 | 2016-09-21 | 安徽三彩工贸有限责任公司 | Low-pressure foaming equipment |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0751174A1 (en) * | 1995-06-27 | 1997-01-02 | Dow Corning Toray Silicone Company Ltd. | Method for the preparation of silicone foam using gas filled microspheres |
| CN105922496A (en) * | 2016-06-29 | 2016-09-07 | 安徽三彩工贸有限责任公司 | Polyurethane foaming machine stirrer |
| CN105946165A (en) * | 2016-06-29 | 2016-09-21 | 安徽三彩工贸有限责任公司 | Low-pressure foaming equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318419A (en) * | 2018-09-10 | 2019-02-12 | 林枫 | A kind of polyurethane foaming equipment |
| CN109318419B (en) * | 2018-09-10 | 2020-12-18 | 安庆永大体育文化有限公司 | A kind of polyurethane foaming equipment |
| CN109203345A (en) * | 2018-10-08 | 2019-01-15 | 林枫 | A kind of polyurethane foam improved process |
| CN109203345B (en) * | 2018-10-08 | 2020-07-28 | 东营海瑞宝新材料有限公司 | Polyurethane foaming improvement process |
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Application publication date: 20180817 |
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