CN105346046A - Double-layer co-extrusion core mold - Google Patents
Double-layer co-extrusion core mold Download PDFInfo
- Publication number
- CN105346046A CN105346046A CN201510880424.6A CN201510880424A CN105346046A CN 105346046 A CN105346046 A CN 105346046A CN 201510880424 A CN201510880424 A CN 201510880424A CN 105346046 A CN105346046 A CN 105346046A
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- China
- Prior art keywords
- communicated
- core
- double
- layer coextrusion
- layer
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Classifications
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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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a double-layer co-extrusion core mold and belongs to the field of co-extrusion molds. The double-layer co-extrusion core mold comprises a mold base, a support plate, a convergence plate and a mouth mold plate, wherein the mold base, the support plate, the convergence plate and the mouth mold plate are arranged in sequence. Core holes and internal flow holes are formed in the mold base, the support plate, the convergence plate and the mouth mold plate respectively. The core holes are combined and communicated to form a core channel, and the internal flow holes are combined and communicated to form an internal flow channel. One end of the internal flow channel is communicated with an inner-layer material feed inlet formed in the base, and the other end of the internal flow channel is communicated and combined with the core channel and extends to form an external flow channel. A first external flow hole and a second external flow hole are formed in the convergence plate and the mouth mold plate respectively. The first external flow hole and the second external flow hole are communicated to form an external flow channel. One end of the external flow channel is communicated with an outer-layer material feed inlet formed in the convergence plate, and the other end of the external flow channel is communicated with an extrusion cavity. According to the double-layer co-extrusion core mold, inner-layer materials and outer-layer materials are injected in the internal flow channel and the external flow channel respectively, the outer-layer materials and the inner-layer materials are subjected to co-extrusion with the extrusion cavity so that the outer-layer materials and the inner-layer materials can be co-extruded on a core in a layered mode, and thus double-layer co-extrusion is achieved; in addition, the double-layer co-extrusion core mold is simple in structure and convenient to operate.
Description
Technical field
The present invention relates to extrusion die technical field, be specifically related to a kind of core double-layer coextrusion mould.
Background technology
Occur the wood be made up of polyethylene to mould the co-extruding mould of layer co-extrusion on core in the market, thus formed that constitutionally stable wood is moulded, metallic core means, thus improve intensity and the carrying dynamics that series products moulded by wood.But, be only that wood is moulded Rotating fields and can not be met the growing demand in market, therefore a kind of mould molding present stage problem demanding prompt solution realizing double layer material co-extrusion be provided.
Summary of the invention
The object of the invention is to overcome above-mentioned technical deficiency, propose a kind of core double-layer coextrusion mould, solve individual layer wood in prior art and mould the technical problem of the technical problem of structure.
For reaching above-mentioned technical purpose, technical scheme of the present invention provides a kind of core double-layer coextrusion mould, comprise the die holder, supporting plate, cylinder manifold, the mouth template that set gradually, cored hole and interior discharge orifice is equipped with in described die holder, supporting plate, cylinder manifold, mouth template, described cored hole and interior discharge orifice combine respectively to be communicated with and form core passage and inner flow passage, and described inner flow passage one end is communicated with the interior layered material charging aperture be located on die holder, the other end and core channel connection collaborate and extend to form extruding die cavity; Described cylinder manifold and mouth template are respectively equipped with the first outflow opening and the second outflow opening, described first outflow opening is communicated with formation outer flow passage with the second outflow opening, described outer flow passage one end is communicated with the outer layered material charging aperture be located on cylinder manifold, the other end is communicated with extruding die cavity.
Preferably, described first outflow opening comprise be parallel to core channel setting the first straight hole, for being communicated with the first arcuate socket of outer layered material charging aperture and the first straight hole, described second outflow opening comprise be parallel to core channel setting the second straight hole, for being communicated with the second arcuate socket of extruding die cavity and the second straight hole, described first straight hole is communicated with the second straight hole cooperation.
Preferably, described first straight hole and the first arcuate socket are two, and two described first straight holes are symmetricly set in core passage both sides.
Preferably, described second straight hole is two, and each second straight hole is at least communicated with two the second arcuate sockets, at least forms two connected entrances between described second arcuate socket and extruding die cavity.
Preferably, described second arcuate socket is set to the wedge that internal diameter reduces gradually near connected entrance one end.
Preferably, described core double-layer coextrusion mould also comprises the mouth mould fixed head that the described mouth template of an abutting is arranged, and described mouth mould fixed head is provided with and extrudes die cavity and coordinate the nib be communicated with.
Preferably, described core double-layer coextrusion mould also comprises the charging seat be located on die holder, described charging seat is provided with layered material charging hole in being communicated with described interior layered material charging aperture.
Preferably, described core double-layer coextrusion mould also comprises the die holder fixed head that an abutting die holder is arranged, and described die holder fixed head is provided with one and coordinates with described core passage the fixing hole be communicated with.
Core double-layer coextrusion mould of the present invention, by arranging inner flow passage and outer flow passage injects interior layered material and outer layered material respectively, and by co-extrusion in outer layered material and interior layered material and extruding die cavity, realize double layer material layering co-extrusion on core, achieve double-layer coextrusion, and structure of the present invention is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 be core double-layer coextrusion mould of the present invention analyse and observe syndeton schematic diagram;
Fig. 2 is that the A-A of Fig. 1 of the present invention is to sectional view;
Fig. 3 is that the B-B of Fig. 1 of the present invention is to sectional view.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figures 1 to 3, The embodiment provides a kind of core double-layer coextrusion mould, comprise the die holder 1, supporting plate 2, cylinder manifold 3, the mouth template 4 that set gradually, cored hole and interior discharge orifice is equipped with in described die holder 1, supporting plate 2, cylinder manifold 3, mouth template 4, described cored hole and interior discharge orifice combine respectively to be communicated with and form core passage 5 and inner flow passage 6, and described inner flow passage 6 one end is communicated with the interior layered material charging aperture 11 be located on die holder 1, the other end is communicated with core passage 5 and collaborates and extend to form to extrude die cavity 7; Described cylinder manifold 3 and mouth template 4 are respectively equipped with the first outflow opening 31 and the second outflow opening 41, described first outflow opening 31 is communicated with formation outer flow passage with the second outflow opening 41, described outer flow passage one end is communicated with the outer layered material charging aperture 32 be located on cylinder manifold 3, the other end is communicated with extruding die cavity 7.
The present invention is by arranging inner flow passage 6 and outer flow passage injects interior layered material and outer layered material respectively, and by co-extrusion in outer layered material and interior layered material and extruding die cavity 7, realize double layer material layering co-extrusion on core 8, achieve double-layer coextrusion, and structure of the present invention is simple, easy to operate.Concrete, first interior layered material enters inner flow passage 6 from interior layered material charging aperture 11, then flow to along inner flow passage 6 and extrude in die cavity 7 and under the effect of extruding force, be coated on core 8 periphery, outer layered material enters outer flow passage from outer layered material charging aperture simultaneously, under the effect of extruding force, be coated on interior layered material periphery in along outer flow passage to extruding die cavity 7, thus form double-layer coextrusion.
Core 8 periphery is evenly coated on for the ease of interior layered material, inner flow passage 6 can be set to symmetrically arranged two, namely core passage 5 both sides were symmetricly set in runner 6 in two days, and inner flow passage 6 reduces along the interior layered material direction of motion gradually with the spacing of core passage 5, and final interflow forms extruding die cavity 7, by two inner flow passages 6 be convenient to interior layered material can evenly coated, fit in core 8 outer surface, improve the quality of co-extrusion.
The present embodiment does not reduce cylinder manifold 3 to ensure, the crushing strength of mouth template 4 and be convenient to outer layered material and inject smoothly, described first outflow opening 31 comprises the first straight hole 311 being parallel to core passage 5 and arranging, for being communicated with the first arcuate socket 312 of outer layered material charging aperture 32 and the first straight hole 311, described second outflow opening 41 comprises the second straight hole 411 being parallel to core passage 5 and arranging, for being communicated with the second arcuate socket 412 of extruding die cavity 7 and the second straight hole 411, described first straight hole 311 coordinates with the second straight hole 411 and is communicated with, by the setting of the first arcuate socket 312 and the second arcuate socket 412, being conducive on the one hand outer layered material can smooth flow, reduce the resistance that outer layered material is subject to, minimizing cylinder manifold 3 and mouth template 4 are subject to the extruding dynamics of outer layered material on the other hand, extend the service life of cylinder manifold 3 and mouth template 4.
For the ease of outer layered material shunting and from multiple mouth with extruding die cavity 7 conflux, described first straight hole 311 and the first arcuate socket 312 are all set to two by the present embodiment, two described first straight holes 311 are symmetricly set in core passage 7 both sides, thus two the first arcuate sockets 312 are also symmetrical arranged, because two the first arcuate sockets 312 are all connected with outer layered material charging aperture 32 one end, therefore two the first arcuate sockets 312 form a V-type, and the first arcuate socket 312 preferably be arranged in parallel with cylinder manifold 3, to ensure that cylinder manifold 3 has higher bearing strength by the present embodiment.
Simultaneously, mouth template 4 is arranged two and coordinate with the first straight hole 311 the second straight hole 411 be communicated with, each second straight hole 411 is at least communicated with two the second arc 412 holes, two connected entrances 413 are at least formed between described second arcuate socket 412 and extruding die cavity 7, owing to being formed as annular shaped extrusion chamber between core 8 and extruding die cavity 7, not easily make outer layered material be evenly arranged in outside interior layered material only by a connected entrance, therefore to be communicated with extruding die cavity 7 by the second arcuate socket 412 and edge extrudes die cavity 7 outer rim and forms multiple connected entrance 413.The present embodiment for convenience of description, second arcuate socket 412 is set to four, and connected entrance 413 is set to two, namely each second straight hole 411 is communicated with two the second arcuate sockets 412 respectively, two connected entrances 413 are formed between described second arcuate socket 412 and extruding die cavity 7, concrete, the equal one end of each second arcuate socket 412 is communicated with the second straight hole 411, the other end is communicated with connected entrance 413, and described two connected entrances 413 are preferably symmetricly set on extruding die cavity 7.And in order to increase extruding dynamics, outer layered material is enable to be squeezed in interior layered material periphery uniformly, and by coated for interior layered material, second arcuate socket 412 is set to the wedge that internal diameter reduces gradually by the present embodiment near connected entrance 413 one end, thus the extruding force that enhancing connected entrance 413 is extruded, improve the quality of outer layered material co-extrusion outside interior layered material.
Core double-layer coextrusion mould described in the present embodiment also comprises the mouth mould fixed head 9 that the described mouth template 4 of an abutting is arranged, described mouth mould fixed head 9 is provided with and extrudes die cavity 7 and coordinate the nib 91 be communicated with, generally can by the cross section identical setting of nib 91 with extruding die cavity 7, finished product after co-extrusion is further fixed, stablizes, to ensure the end product quality after co-extrusion, avoid because finished product after co-extrusion is fully unfixing and cause of low quality.Simultaneously, the core double-layer coextrusion mould of the present embodiment also comprises the die holder fixed head 10 of abutting die holder 1 setting, described die holder fixed head 10 is provided with one and coordinates with described core passage 5 fixing hole 101 be communicated with, by the setting of fixing hole 101 so that being fixedly installed of core 8, avoid the unstability of core 8 and cause the reduction of co-extrusion quality.
For the ease of entering of interior layered material, the core double-layer coextrusion mould of the present embodiment also comprises the charging seat 12 be located on die holder 1, described charging seat 12 is provided with layered material charging hole 121 in being communicated with described interior layered material charging aperture 11, in general, layered material charging aperture 11 is arranged on die holder 1 outer wall, therefore charging seat 12 is also fixed on the outer wall of die holder 1.
The interior layered material of the present embodiment preferably adopts Wood-plastic material, and outer layered material can adopt other materials.
The above the specific embodiment of the present invention, does not form limiting the scope of the present invention.Various other that any technical conceive according to the present invention is made change and distortion accordingly, all should be included in the protection domain of the claims in the present invention.
Claims (8)
1. a core double-layer coextrusion mould, it is characterized in that, comprise the die holder (1) set gradually, supporting plate (2), cylinder manifold (3), mouth template (4), described die holder (1), supporting plate (2), cylinder manifold (3), cored hole and interior discharge orifice is equipped with in mouth template (4), described cored hole and interior discharge orifice combine respectively to be communicated with and form core passage (5) and inner flow passage (6), described inner flow passage (6) one end is communicated with the interior layered material charging aperture (11) be located on die holder (1), the other end is communicated with core passage (5) and collaborates and extend to form to extrude die cavity (7), described cylinder manifold (3) and mouth template (4) are respectively equipped with the first outflow opening (31) and the second outflow opening (41), described first outflow opening (31) is communicated with formation outer flow passage with the second outflow opening (41), described outer flow passage one end is communicated with the outer layered material charging aperture (32) be located on cylinder manifold (3), the other end is communicated with extruding die cavity (7).
2. core double-layer coextrusion mould according to claim 1, it is characterized in that, described first outflow opening (31) comprises the first straight hole (311) being parallel to core passage (5) and arranging, for being communicated with first arcuate socket (312) of outer layered material charging aperture (32) and the first straight hole (311), described second outflow opening (41) comprises the second straight hole (411) being parallel to core passage (5) and arranging, for being communicated with second arcuate socket (412) of extruding die cavity (7) and the second straight hole (411), described first straight hole (311) coordinates with the second straight hole (411) and is communicated with.
3. core double-layer coextrusion mould according to claim 2, it is characterized in that, described first straight hole (311) and the first arcuate socket (312) are two, and two described first straight holes (311) are symmetricly set in core passage (5) both sides.
4. core double-layer coextrusion mould according to claim 3, it is characterized in that, described second straight hole (411) is two, each second straight hole (411) is at least communicated with two the second arcuate sockets (412), at least forms two connected entrances (413) between described second arcuate socket (412) and extruding die cavity (7).
5. core double-layer coextrusion mould according to claim 4, is characterized in that, described second arcuate socket (412) is set to the wedge that internal diameter reduces gradually near connected entrance (413) one end.
6. core double-layer coextrusion mould according to claim 5, it is characterized in that, described core double-layer coextrusion mould also comprises the mouth mould fixed head (9) that the described mouth template of an abutting (4) is arranged, and described mouth mould fixed head (9) is provided with and extrudes die cavity (7) and coordinate the nib (91) be communicated with.
7. core double-layer coextrusion mould according to claim 6, it is characterized in that, described core double-layer coextrusion mould also comprises the charging seat (12) be located on die holder (1), described charging seat (12) is provided with the interior layered material charging hole (121) be communicated with described interior layered material charging aperture (11).
8. core double-layer coextrusion mould according to claim 7, it is characterized in that, described core double-layer coextrusion mould also comprises the die holder fixed head (10) that an abutting die holder (1) is arranged, and described die holder fixed head (10) is provided with one and coordinates with described core passage (5) fixing hole (101) be communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510880424.6A CN105346046A (en) | 2015-12-03 | 2015-12-03 | Double-layer co-extrusion core mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510880424.6A CN105346046A (en) | 2015-12-03 | 2015-12-03 | Double-layer co-extrusion core mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105346046A true CN105346046A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510880424.6A Pending CN105346046A (en) | 2015-12-03 | 2015-12-03 | Double-layer co-extrusion core mold |
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| CN (1) | CN105346046A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001935A (en) * | 2021-03-08 | 2021-06-22 | 黄石市金鸿模具有限公司 | Wood and wood-plastic co-extrusion die |
| WO2021120440A1 (en) * | 2019-12-18 | 2021-06-24 | 安徽森泰木塑集团股份有限公司 | Composite profile |
| CN117261156A (en) * | 2023-10-11 | 2023-12-22 | 中山市诚力通通信科技有限公司 | Co-extrusion die of artificial washing stone extruder with freely-foamed core |
-
2015
- 2015-12-03 CN CN201510880424.6A patent/CN105346046A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021120440A1 (en) * | 2019-12-18 | 2021-06-24 | 安徽森泰木塑集团股份有限公司 | Composite profile |
| CN113001935A (en) * | 2021-03-08 | 2021-06-22 | 黄石市金鸿模具有限公司 | Wood and wood-plastic co-extrusion die |
| CN117261156A (en) * | 2023-10-11 | 2023-12-22 | 中山市诚力通通信科技有限公司 | Co-extrusion die of artificial washing stone extruder with freely-foamed core |
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Application publication date: 20160224 |