CN111559043A - Multi-component foaming machine system for sandwich board production line - Google Patents
Multi-component foaming machine system for sandwich board production line Download PDFInfo
- Publication number
- CN111559043A CN111559043A CN202010489519.6A CN202010489519A CN111559043A CN 111559043 A CN111559043 A CN 111559043A CN 202010489519 A CN202010489519 A CN 202010489519A CN 111559043 A CN111559043 A CN 111559043A
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- CN
- China
- Prior art keywords
- foaming agent
- injection
- communicated
- injection channel
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005187 foaming Methods 0.000 title claims abstract description 11
- 239000004088 foaming agent Substances 0.000 claims abstract description 60
- 238000002347 injection Methods 0.000 claims abstract description 58
- 239000007924 injection Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000011148 porous material Substances 0.000 claims abstract description 19
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 6
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- -1 phenolic aldehyde Chemical class 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
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
- B29C44/3446—Feeding the blowing agent
Landscapes
- Nozzles (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a multi-component foaming machine system for a sandwich board production line, which comprises a transverse mixing pipe, wherein the mixing pipe consists of an injection section, a contraction section, a throat part and an expansion section, a black material feeding hole is formed in the lower part of the injection section, an injection head is arranged in the injection section, a main body of the injection head sequentially comprises a white material injection channel, a first mixing cavity, a central hole and a second mixing cavity which are communicated with each other from front to back, the diameter of the rear part of the first mixing cavity is gradually reduced, and the diameter of the front part of the second mixing cavity is gradually increased; the circumference of the front part of the white material injection channel is provided with a foaming agent feeding cavity, the circumference of the rear part of the white material injection channel is provided with more than 6 foaming agent injection pore channels in a surrounding manner, the front ends of the foaming agent injection pore channels are communicated with the foaming agent feeding cavity, and the rear ends of the foaming agent injection pore channels are communicated with the first mixing cavity; the upper and lower sides of the central hole are symmetrically provided with an upper injection channel and a lower injection channel, the rear ends of the upper and lower injection channels are symmetrically distributed in a splayed shape and are communicated with the second mixing cavity, and the system enables black materials, white materials and foaming agents to be fully mixed.
Description
Technical Field
The invention relates to a multi-component foaming machine system for a sandwich board production line.
Background
As is well known, in the field of buildings, a large number of exterior wall external thermal insulation materials are continuously available for realizing emission reduction and energy conservation, and particularly, phenolic aldehyde and polyurethane boards are widely applied to exterior walls of buildings due to good thermal insulation performance, good physical stability and cost performance of the phenolic aldehyde and polyurethane boards. At present, main raw materials for production generally comprise a black material, a white material (formed by mixing a combined polyether polyol, a catalyst, silicone oil, a flame retardant and a foam stabilizer) and a foaming agent, the main raw materials are injected into a mold through an injection gun head of a high-pressure foaming machine, under a certain temperature condition, polyisocyanate (isocyanate (-NCO)) and combined polyether (hydroxyl (-OH)) are subjected to chemical reaction under the action of the catalyst to generate polyurethane, and a large amount of heat is released at the same time.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides a multi-component foaming machine system for a sandwich board production line.
The technical scheme is as follows: the invention provides a multi-component foaming machine system for a sandwich board production line, which comprises a transverse mixing pipe, a black material storage tank, a foaming agent storage tank and a white material storage tank, wherein the mixing pipe consists of a spraying section, a contraction section, a throat part and an expansion section which are communicated in sequence from front to back; the periphery of the front part of the white material injection channel is provided with a foaming agent feeding cavity, the periphery of the rear part of the white material injection channel is provided with more than 6 foaming agent injection pore channels in a surrounding manner, the front ends of the foaming agent injection pore channels are communicated with the foaming agent feeding cavity, and the rear ends of the foaming agent injection pore channels are communicated with the first mixing cavity; the upper side and the lower side of the central hole are symmetrically provided with an upper injection channel and a lower injection channel, the front ends of the upper injection channel and the lower injection channel are communicated with the first mixing cavity and respectively correspond to one foaming agent injection pore channel in the foaming agent injection pore channels, and the rear ends of the upper injection channel and the lower injection channel are symmetrically distributed in a splayed shape and are communicated with the second mixing cavity; the foaming agent storage tank is connected with a foaming agent feeding cavity through a foaming agent high-pressure pump.
Preferably, a black material mass flowmeter is further arranged between the black material storage tank and the black material high-pressure pump, a white material mass flowmeter is further arranged between the white material storage tank and the white material high-pressure pump, and a foaming agent mass flowmeter is further arranged between the foaming agent storage tank and the foaming agent high-pressure pump.
Preferably, the contraction section and the expansion section are of a revolution body structure.
Preferably, the spray head is arranged coaxially with the spray section.
Preferably, the wall of the mixing pipe is of a sandwich structure.
Preferably, the blowing agent feeding cavity is an annular cavity.
Has the advantages that: according to the invention, white materials and foaming agents are premixed in the injection head, the foaming agents enter the first mixing cavity through 8 foaming agent injection pore passages circumferentially arranged, the input fluid of the foaming agents is changed from single-point input to multi-point input, in addition, the foaming agents and the white materials entering the first mixing cavity are sprayed out at high speed through the central hole due to the fact that the diameter of the rear part of the first mixing cavity is gradually reduced and the diameter of the second mixing cavity is gradually increased, the foaming agents and the white materials are fully mixed, then the white materials and the foaming agents are blown into fan surfaces under the action of the upper injection channel and the lower injection channel on two sides, the coverage area of the mixing pipe sprayed by the white materials and the foaming agents is increased, the white materials and the foaming agents are suddenly diffused after entering the throat part of the mixing pipe, and the black.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view a-a of fig. 1.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Referring to fig. 1, a multi-component foaming machine system for a sandwich board production line comprises a transverse mixing pipe 1, a black material storage tank 2, a foaming agent storage tank 3 and a white material storage tank 4, wherein the mixing pipe 1 consists of a spraying section 111, a contraction section 112, a throat 113 and an expansion section 114 which are communicated with each other from front to back in sequence, and preferably, the contraction section 112 and the expansion section 114 are of a revolving body structure; the lower part of the jetting section 111 is provided with a black material feeding hole 115, a jetting head is arranged in the jetting section, preferably, the jetting head and the jetting section are coaxially arranged, a main body of the jetting head sequentially comprises a white material jetting channel 11, a first mixing cavity 12, a central hole 13 and a second mixing cavity 14 which are communicated with each other from front to back, the diameter of the rear part of the first mixing cavity 12 is gradually reduced, and the diameter of the front part of the second mixing cavity 14 is gradually increased; the circumference of the front part of the white material injection channel 11 is provided with a foaming agent feeding cavity 15, the circumference of the rear part is provided with 8 foaming agent injection pore channels 16 in a surrounding way, the front ends of the foaming agent injection pore channels 16 are communicated with the foaming agent feeding cavity, and the rear ends of the foaming agent injection pore channels 16 are communicated with the first mixing cavity 12; the upper side and the lower side of the central hole are symmetrically provided with an upper injection channel 17 and a lower injection channel 18, the front ends of the upper injection channel and the lower injection channel are communicated with the first mixing cavity 12 and respectively correspond to one foaming agent injection pore channel in the foaming agent injection pore channel, and the rear ends of the upper injection channel and the lower injection channel are symmetrically distributed in a splayed shape and are communicated with the second mixing cavity 14; the black material storage tank 2 is connected with a black material feeding hole 115 through a black material high-pressure pump, the white material storage tank 4 is connected with the white material injection channel 11 through a white material high-pressure pump, and the foaming agent storage tank 4 is connected with a foaming agent feeding cavity 15 through a foaming agent high-pressure pump. Preferably, a black material mass flow meter 5 is further arranged between the black material storage tank 2 and the black material high-pressure pump, a white material mass flow meter 6 is further arranged between the white material storage tank 4 and the white material high-pressure pump, and a foaming agent mass flow meter 7 is further arranged between the foaming agent storage tank 3 and the foaming agent high-pressure pump.
In order to realize the temperature control of the mixing pipe, preferably, the pipe wall of the mixing pipe is of a sandwich structure. Preferably, the blowing agent feeding cavity is an annular cavity.
The outlet of the spray head consists of three circular holes with different diameters, wherein the foaming agent is sprayed out from the circular holes at two sides at high speed and is converged at the front end of the spray head to form strong convection airflow, and the premixed white material and the foaming agent sprayed out from the central hole instantaneously change the shape under the action of the strong convection airflow and change the solid cone shape into a sector.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A multi-component foaming machine system for a sandwich board production line is characterized by comprising a transverse mixing pipe, a black material storage tank, a foaming agent storage tank and a white material storage tank, wherein the mixing pipe sequentially consists of a spraying section, a contraction section, a throat part and an expansion section which are communicated from front to back; the periphery of the front part of the white material injection channel is provided with a foaming agent feeding cavity, the periphery of the rear part of the white material injection channel is provided with more than 6 foaming agent injection pore channels in a surrounding manner, the front ends of the foaming agent injection pore channels are communicated with the foaming agent feeding cavity, and the rear ends of the foaming agent injection pore channels are communicated with the first mixing cavity; the upper side and the lower side of the central hole are symmetrically provided with an upper injection channel and a lower injection channel, the front ends of the upper injection channel and the lower injection channel are communicated with the first mixing cavity and respectively correspond to one foaming agent injection pore channel in the foaming agent injection pore channels, and the rear ends of the upper injection channel and the lower injection channel are symmetrically distributed in a splayed shape and are communicated with the second mixing cavity; the foaming agent storage tank is connected with a foaming agent feeding cavity through a foaming agent high-pressure pump.
2. The multi-component foaming machine system for the sandwich board production line according to claim 1, wherein a black material mass flow meter is further arranged between the black material storage tank and the black material high-pressure pump, a white material mass flow meter is further arranged between the white material storage tank and the white material high-pressure pump, and a foaming agent mass flow meter is further arranged between the foaming agent storage tank and the foaming agent high-pressure pump.
3. The multi-component foaming machine system for a sandwich panel production line according to claim 1, wherein the wall of the mixing pipe is of a sandwich structure.
4. The multi-component foam maker system for a sandwich panel production line as claimed in claim 1, wherein the spray head is disposed coaxially with the spray section.
5. The system of claim 1, wherein the contracting section and the expanding section are of a revolving structure.
6. The system of claim 1, wherein the blowing agent feed chamber is an annular chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489519.6A CN111559043A (en) | 2020-06-02 | 2020-06-02 | Multi-component foaming machine system for sandwich board production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489519.6A CN111559043A (en) | 2020-06-02 | 2020-06-02 | Multi-component foaming machine system for sandwich board production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111559043A true CN111559043A (en) | 2020-08-21 |
Family
ID=72068402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010489519.6A Pending CN111559043A (en) | 2020-06-02 | 2020-06-02 | Multi-component foaming machine system for sandwich board production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111559043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619004A (en) * | 2021-07-14 | 2021-11-09 | 王锐 | Polyurethane insulation board raw material mixing processing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787198A (en) * | 2010-01-19 | 2010-07-28 | 刘军华 | Composite heat-insulating material and preparation method and device for the preparation method |
| CN102848484A (en) * | 2012-09-10 | 2013-01-02 | 多维联合集团有限公司 | Multi-component foaming machine system used in coreboard production line, and controlling method thereof |
| CN204380882U (en) * | 2014-12-17 | 2015-06-10 | 南京西普环保科技有限公司 | A kind of shower nozzle of denitration spray gun |
| CN205097445U (en) * | 2015-11-17 | 2016-03-23 | 哈尔滨市合众聚氨酯制品有限公司 | Multi -functional mixing head of high pressure |
| CN105451956A (en) * | 2013-08-02 | 2016-03-30 | 耐克创新有限合伙公司 | Method for producing thermoplastic foamed article and thermoplastic foamed article |
-
2020
- 2020-06-02 CN CN202010489519.6A patent/CN111559043A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787198A (en) * | 2010-01-19 | 2010-07-28 | 刘军华 | Composite heat-insulating material and preparation method and device for the preparation method |
| CN102848484A (en) * | 2012-09-10 | 2013-01-02 | 多维联合集团有限公司 | Multi-component foaming machine system used in coreboard production line, and controlling method thereof |
| CN105451956A (en) * | 2013-08-02 | 2016-03-30 | 耐克创新有限合伙公司 | Method for producing thermoplastic foamed article and thermoplastic foamed article |
| CN204380882U (en) * | 2014-12-17 | 2015-06-10 | 南京西普环保科技有限公司 | A kind of shower nozzle of denitration spray gun |
| CN205097445U (en) * | 2015-11-17 | 2016-03-23 | 哈尔滨市合众聚氨酯制品有限公司 | Multi -functional mixing head of high pressure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619004A (en) * | 2021-07-14 | 2021-11-09 | 王锐 | Polyurethane insulation board raw material mixing processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200821 |
|
| RJ01 | Rejection of invention patent application after publication |