CN114670416A - Die and method for extrusion molding of composite plastic profile - Google Patents
Die and method for extrusion molding of composite plastic profile Download PDFInfo
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- CN114670416A CN114670416A CN202210311328.XA CN202210311328A CN114670416A CN 114670416 A CN114670416 A CN 114670416A CN 202210311328 A CN202210311328 A CN 202210311328A CN 114670416 A CN114670416 A CN 114670416A
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- auxiliary
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- composite plastic
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a die and a method for extrusion molding of a composite plastic profile, wherein the die comprises a main feeding section, an auxiliary feeding section, a mixing section, an auxiliary molding section and a shaping section which are sequentially arranged, wherein the main feeding section, the auxiliary feeding section, the mixing section and the auxiliary forming section are connected in sequence, a main feeding area extends from the side surface of the main feeding section, the main feeding section, the auxiliary feeding section, the mixing section and the auxiliary forming section are internally provided with continuous material extrusion channels, a material shaping channel is arranged in the shaping section, the material shaping channel is matched with the material extrusion channel, a main feed inlet is arranged in the main feed area and is communicated with the end part of the material extrusion channel, be provided with air-cooled passageway and water-cooling passageway in the supplementary shaping section, air-cooled passageway intercommunication material is extruded passageway and external, the water-cooling passageway is located outside the air-cooled passageway.
Description
The technical field is as follows:
the invention relates to the technical field of composite plastic molding, in particular to a mold and a method for extrusion molding of a composite plastic profile.
Background art:
the composite plastic profile is usually processed by adopting extrusion molding equipment, wherein an extrusion molding die is an important part of the extrusion molding equipment, and the existing extrusion molding die also has the defects of low molding efficiency, poor cooling effect, inconvenience in die polishing and cleaning and the like.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The invention content is as follows:
the invention aims to provide a die for extrusion molding of a composite plastic profile, thereby overcoming the defects in the prior art.
In order to achieve the purpose, the invention provides a die for extrusion molding of a composite plastic profile, which comprises a main feeding section, an auxiliary feeding section, a material mixing section, an auxiliary molding section and a molding section which are arranged in sequence, wherein the main feeding section, the auxiliary feeding section, the mixing section and the auxiliary forming section are connected in sequence, a main feeding area extends from the side surface of the main feeding section, the main feeding section, the auxiliary feeding section, the mixing section and the auxiliary forming section are internally provided with continuous material extrusion channels, a material shaping channel is arranged in the shaping section, the material shaping channel is matched with the material extrusion channel, a main feed inlet is arranged in the main feed area, the main feed inlet is communicated with the end part of the material extrusion channel, be provided with air-cooled passageway and water-cooling passageway in the supplementary shaping section, air-cooled passageway intercommunication material is extruded passageway and external, the water-cooling passageway is located outside the air-cooled passageway.
And the auxiliary feeding section is provided with an auxiliary feeding hole I and an auxiliary feeding hole II, and the auxiliary feeding hole I and the auxiliary feeding hole II are respectively communicated with the interior of the material extrusion channel.
The main feeding section, the auxiliary feeding section, the mixing section and the auxiliary forming section are of a split structure.
The outer walls of the main feeding section, the auxiliary feeding section and the mixing section are also provided with integrated heating rings, and the heating rings are detachably connected with the outer walls of the main feeding section, the auxiliary feeding section and the mixing section.
The whole main feeding section is of a T-shaped structure, and the main feeding hole is vertical to the first auxiliary feeding hole and the second auxiliary feeding hole.
A method for extrusion molding of a composite plastic profile comprises the following steps:
1) the composite plastic raw material A, the composite plastic raw material B and the composite plastic raw material C are respectively added into the material extrusion channel from the main feed port, the auxiliary feed port I and the auxiliary feed port II, or are all added into the material extrusion channel from the main feed port;
2) in the feeding process, the heating ring works to heat and melt the raw materials A, B and C in the main feeding section and the auxiliary feeding section;
3) uniformly mixing the melted raw material A, the melted raw material B and the melted raw material C in a mixing section, and then guiding the mixture into an auxiliary forming section to extrude a primarily-formed composite plastic profile;
4) introducing cooling air into the air cooling channel and introducing cooling water into the water cooling channel of the auxiliary forming section to carry out primary cooling and forming on the material;
5) and (4) the preliminarily cooled and shaped composite plastic section enters a shaping section and is shaped into a finished product of the composite plastic section.
Compared with the prior art, the invention has the following beneficial effects:
(1) the auxiliary forming section adopts air cooling and water cooling, so that the efficiency of primary cooling and shaping can be improved, the composite plastic with strong fluidity can enter the shaping section for shaping, and the overall processing efficiency can be improved;
(2) the invention adopts split design among multiple sections, which is more convenient for maintenance operations such as cleaning, polishing and the like to the moulds in different sections;
(3) the invention is provided with a plurality of feed inlets, so that a plurality of materials can be fed from different feed inlets respectively according to requirements, thereby avoiding cross contamination among different materials and being more convenient to control the feeding sequence of the materials according to the characteristics among different materials;
description of the drawings:
FIG. 1 is a schematic view of a die for extrusion molding of a composite plastic profile according to the present invention;
the reference signs are: 1-a main feeding section, 11-a main feeding area, 12-a main feeding hole, 2-an auxiliary feeding section, 21-an auxiliary feeding hole I, 22-an auxiliary feeding hole II, 3-a mixing section, 4-an auxiliary forming section, 41-an air cooling channel, 42-a water cooling channel, 5-a material extruding channel, 6-a heating ring, 7-a forming section and 8-a material forming channel.
The specific implementation mode is as follows:
the following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, a mold for extrusion molding of composite plastic profiles comprises a main feeding section 1, an auxiliary feeding section 2, a material mixing section 3, an auxiliary molding section 4 and a shaping section 7 which are sequentially arranged, wherein the main feeding section 1, the auxiliary feeding section 2, the material mixing section 3 and the auxiliary molding section 4 are sequentially connected, a main feeding area 11 extends from the side surface of the main feeding section 1, a continuous material extrusion channel 5 is arranged inside the main feeding section 1, the auxiliary feeding section 2, the material mixing section 3 and the auxiliary molding section 4, a material shaping channel 8 is arranged inside the shaping section 7, the material shaping channel 8 is matched with the material extrusion channel 5, a main feeding hole 12 is arranged inside the main feeding area 11, the main feeding hole 12 is communicated with the end part of the material extrusion channel 5, an air cooling channel 41 and a water cooling channel 42 are arranged inside the auxiliary molding section 4, the air cooling channel 41 is communicated with the material extrusion channel 5 and the outside, the water cooling channel 42 is located outside the air cooling channel 41.
Furthermore, in order to facilitate the respective feeding of different materials, a first auxiliary feeding port 21 and a second auxiliary feeding port 22 are arranged on the first auxiliary feeding section 2, and the first auxiliary feeding port 21 and the second auxiliary feeding port 22 are respectively communicated with the interior of the material extrusion channel 5.
Furthermore, in order to facilitate the disassembly and maintenance of different working sections, the main feeding section 1, the auxiliary feeding section 2, the material mixing section 3 and the auxiliary forming section 4 are of a split structure.
Further, for the stability and the homogeneity that improve the heating, main feeding section 1, vice feeding section 2, 3 outer walls of compounding section still are provided with integral type heating collar 6, be detachable the connection between heating collar 6 and main feeding section 1, vice feeding section 2, the 3 outer walls of compounding section.
Further, in order to improve the symmetrical stability of the whole structure, the whole main feeding section 1 is of a T-shaped structure, and the main feeding hole 12, the first auxiliary feeding hole 21 and the second auxiliary feeding hole 22 are of a vertical structure.
A composite plastic profile extrusion molding method comprises the following steps:
1) the composite plastic raw material A, the composite plastic raw material B and the composite plastic raw material C are respectively added into the material extrusion channel from the main feed port 12, the auxiliary feed port I21 and the auxiliary feed port II 22, the adding sequence of the materials can be respectively controlled according to the characteristics of different materials, and the composite plastic raw material A, the composite plastic raw material B and the composite plastic raw material C can also be added into the material extrusion channel from the main feed port 12;
2) in the feeding process, the heating ring works to heat and melt the raw materials A, B and C in the main feeding section 1 and the auxiliary feeding section 2;
3) uniformly mixing the melted raw material A, the melted raw material B and the melted raw material C in the mixing section 3, and then extruding a primarily-shaped composite plastic profile from the auxiliary forming section 4;
4) cooling air is introduced into the air cooling channel 41 of the auxiliary forming section 4, cooling water is introduced into the water cooling channel 42 to cool and shape the material, and the material is primarily cooled and shaped;
5) the primarily cooled and shaped composite plastic section enters the shaping section 7 and is shaped into a finished product of the composite plastic section.
The split type design is adopted among the multiple sections, so that the maintenance operations such as cleaning, polishing and the like of the molds in different sections are more convenient; the arrangement of the plurality of feed inlets can feed various materials from different feed inlets respectively, so that cross contamination among different materials can be avoided, and the feeding sequence of the materials can be controlled more conveniently according to the characteristics among different materials; (ii) a The auxiliary forming section adopts air cooling matched with water cooling, so that the primary cooling and forming efficiency can be improved, and the subsequent processing is more convenient; the heating collar adopts detachable connection, is more convenient for disassemble the maintenance to the heating collar.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a be used for compound plastic material extrusion moulding's mould which characterized in that: including main feeding section, vice feeding section, mixing section, supplementary shaping section and the design section that sets gradually, wherein main feeding section, vice feeding section, mixing section and supplementary shaping section connect gradually, main feeding section side extension has main feeding district, main feeding section, vice feeding section, mixing section and the inside continuous material that is provided with of supplementary shaping section extrude the passageway, be provided with material design passageway in the design section, material design passageway is extruded the passageway with the material and is supporting, be provided with main feed inlet in the main feeding district, the main feed inlet extrudes the tip intercommunication of passageway with the material, be provided with wind cold channel and water-cooling passageway in the supplementary shaping section, wind cold channel intercommunication material is extruded passageway and external, water-cooling passageway is located beyond the wind cold channel.
2. A die for extrusion molding of composite plastic profiles according to claim 1, characterized in that:
the auxiliary feeding section is also provided with an auxiliary feeding port I and an auxiliary feeding port II, and the auxiliary feeding port I and the auxiliary feeding port II are respectively communicated with the interior of the material extrusion channel.
3. A die for extrusion molding of composite plastic profiles according to claim 1, characterized in that: the main feeding section, the auxiliary feeding section, the mixing section and the auxiliary forming section are of a split structure.
4. A die for extrusion molding of composite plastic profiles according to claim 1, characterized in that: the outer walls of the main feeding section, the auxiliary feeding section and the mixing section are also provided with integrated heating rings, and the heating rings are detachably connected with the outer walls of the main feeding section, the auxiliary feeding section and the mixing section.
5. A die for extrusion molding of composite plastic profiles according to claim 2, characterized in that: the whole main feeding section is of a T-shaped structure, and the main feeding hole is vertical to the first auxiliary feeding hole and the second auxiliary feeding hole.
6. A method for extrusion molding of a composite plastic profile is characterized by comprising the following steps: the method comprises the following steps:
1) the composite plastic raw material A, the composite plastic raw material B and the composite plastic raw material C are respectively added into the material extrusion channel from the main feed port, the auxiliary feed port I and the auxiliary feed port II, or are all added into the material extrusion channel from the main feed port;
2) heating rings work in the feeding process, and the raw materials A, B and C in the main feeding section and the auxiliary feeding section are heated and melted;
3) uniformly mixing the melted raw material A, the melted raw material B and the melted raw material C in a mixing section, and then guiding the mixture into an auxiliary forming section to extrude a primarily-formed composite plastic profile;
4) introducing cooling air into the air cooling channel and introducing cooling water into the water cooling channel of the auxiliary forming section to carry out primary cooling and forming on the material;
5) and (4) the preliminarily cooled and shaped composite plastic profile enters a shaping section and is shaped into a finished product of the composite plastic profile.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111241527X | 2021-10-25 | ||
| CN202111241527.XA CN113752518A (en) | 2021-10-25 | 2021-10-25 | Composite plastic profile extrusion molding die and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114670416A true CN114670416A (en) | 2022-06-28 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111241527.XA Withdrawn CN113752518A (en) | 2021-10-25 | 2021-10-25 | Composite plastic profile extrusion molding die and method |
| CN202210311328.XA Pending CN114670416A (en) | 2021-10-25 | 2022-03-28 | Die and method for extrusion molding of composite plastic profile |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111241527.XA Withdrawn CN113752518A (en) | 2021-10-25 | 2021-10-25 | Composite plastic profile extrusion molding die and method |
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| Country | Link |
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| CN (2) | CN113752518A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500465Y (en) * | 2001-09-24 | 2002-07-17 | 东营公司迅达信息技术有限责任公司 | Mould of extrusion machine for macromolecule polythylene pipeline (material) |
| CN101791844A (en) * | 2010-02-08 | 2010-08-04 | 佛山市南海易乐工程塑料有限公司 | Device and method for manufacturing glass fibre reinforced nylon 66 heat-insulating strips |
| CN102179916A (en) * | 2011-03-30 | 2011-09-14 | 浙江康润机械科技有限公司 | High-efficiency cooling device for pipe extruding mold core |
| CN204955377U (en) * | 2015-08-12 | 2016-01-13 | 安徽省长城汽车内饰件有限责任公司 | Cotton foaming former of pearl |
| CN105799136A (en) * | 2016-04-18 | 2016-07-27 | 黄石市鸿达塑料模具有限责任公司 | Production method and processing mold of PVC co-extrusion stone plastic profiled material |
| CN108274715A (en) * | 2017-01-05 | 2018-07-13 | 黄石市鸿达塑料模具有限责任公司 | Co-extrusion PE wood moulding molds are cooled down twice |
| CN109774005A (en) * | 2019-01-24 | 2019-05-21 | 武汉高正新材料科技有限公司 | A kind of PVDF backboard film forming process |
-
2021
- 2021-10-25 CN CN202111241527.XA patent/CN113752518A/en not_active Withdrawn
-
2022
- 2022-03-28 CN CN202210311328.XA patent/CN114670416A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500465Y (en) * | 2001-09-24 | 2002-07-17 | 东营公司迅达信息技术有限责任公司 | Mould of extrusion machine for macromolecule polythylene pipeline (material) |
| CN101791844A (en) * | 2010-02-08 | 2010-08-04 | 佛山市南海易乐工程塑料有限公司 | Device and method for manufacturing glass fibre reinforced nylon 66 heat-insulating strips |
| CN102179916A (en) * | 2011-03-30 | 2011-09-14 | 浙江康润机械科技有限公司 | High-efficiency cooling device for pipe extruding mold core |
| CN204955377U (en) * | 2015-08-12 | 2016-01-13 | 安徽省长城汽车内饰件有限责任公司 | Cotton foaming former of pearl |
| CN105799136A (en) * | 2016-04-18 | 2016-07-27 | 黄石市鸿达塑料模具有限责任公司 | Production method and processing mold of PVC co-extrusion stone plastic profiled material |
| CN108274715A (en) * | 2017-01-05 | 2018-07-13 | 黄石市鸿达塑料模具有限责任公司 | Co-extrusion PE wood moulding molds are cooled down twice |
| CN109774005A (en) * | 2019-01-24 | 2019-05-21 | 武汉高正新材料科技有限公司 | A kind of PVDF backboard film forming process |
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| Publication number | Publication date |
|---|---|
| CN113752518A (en) | 2021-12-07 |
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