CN103660226A - Multi-layer co-extrusion film blowing machine head - Google Patents
Multi-layer co-extrusion film blowing machine head Download PDFInfo
- Publication number
- CN103660226A CN103660226A CN201310613517.3A CN201310613517A CN103660226A CN 103660226 A CN103660226 A CN 103660226A CN 201310613517 A CN201310613517 A CN 201310613517A CN 103660226 A CN103660226 A CN 103660226A
- Authority
- CN
- China
- Prior art keywords
- material extrusion
- progressive die
- axle
- die head
- main body
- 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
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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
- B29C48/25—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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
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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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/001—Tubular films, sleeves
Abstract
The invention relates to a multi-layer co-extrusion film blowing machine head which comprises a mandrel rod, an external outlet die head, an internal outlet die head, material extrusion sleeves and an inlet die head, wherein communicated blowing channels are arranged in the mandrel rod and the internal outlet die head; a discharging channel is arranged between the external outlet die head and the internal outlet die head; a plurality of material extrusion sleeves are stacked outside the mandrel rod in sequence in a sleeving manner in the radial direction of the mandrel rod; material extrusion channels are arranged respectively between the material extrusion sleeves as well as between the material extrusion sleeve adjacent to the mandrel rod and the mandrel rod; and outlet ends of the material extrusion channels intersect at the inlet end of the discharging channel. According to the technical scheme, the effects of more uniform film material layer compounding and more convenient assembly are achieved.
Description
Technical field
The present invention relates to a kind of co-extrusion film blowing machine head.
Background technology
Co-extrusion film blowing machine head, generally include axle, the die head of going out, inside go out die head, material extrusion cover and progressive die head, in described axle with in go out in die head, to be provided with the air blowing road being connected, described go out die head and in go out between die head, to be provided with tapping channel, yet existing co-extrusion film blowing machine head, described material extrusion cover is provided with some quantity, the axial direction that the material extrusion of its some quantity is enclosed within axle is to stack gradually and is set in described axle outside, and its progressive die head relative set is in the outside of material extrusion cover, this kind of scheme, each tunic material is undertaken compound by successively stacked mode, the passage length of each tunic material differs larger, thereby cause each tunic material to distribute, be difficult for evenly, and the axial direction that each material extrusion is enclosed within axle successively assembles, there is the loaded down with trivial details shortcoming of assembling.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide a kind of each tunic material compound more evenly, assemble convenient co-extrusion film blowing machine head.
For achieving the above object, the invention provides following technical scheme: a kind of co-extrusion film blowing machine head, comprise axle, the die head of going out, inside go out die head, material extrusion cover and progressive die head, in described axle with in go out in die head, to be provided with the air blowing road being connected, described go out die head and in go out between die head, to be provided with tapping channel, described material extrusion cover is provided with some quantity, the radial direction that the material extrusion of described some quantity is enclosed within axle is to stack gradually and is set in described axle outside, between described each material extrusion cover, between the material extrusion cover adjacent with axle and axle, be respectively arranged with material extrusion passage, the port of export of described each material extrusion passage intersects at the entrance point of described tapping channel.
By adopting technique scheme, make each tunic material simultaneously compound at the entrance point of tapping channel, the passage length of each tunic material differs less, each tunic material is compound more even, and the radial direction that material extrusion is enclosed within axle stacks gradually and is set in axle outside, makes to assemble convenient.
The present invention further arranges: described progressive die head comprises progressive die main body and the progressive die split that stacks gradually the some quantity that are set in progressive die main body outside in the radial direction of progressive die main body, in progressive die main body, between each progressive die split, between the progressive die split adjacent with progressive die main body and progressive die main body, be respectively arranged with the material access with material extrusion passage respective numbers, each material access is respectively arranged with material inlet, and described axle is provided with the material channel that is communicated with respectively material access and material extrusion passage.
By adopting technique scheme, make the passage distribution of each tunic material more reasonable.
The present invention further arranges: described axle is respectively arranged with for inner side and the outside of the first end of progressive die the step that overlaps respective numbers with material extrusion, the two ends of described material channel are separately positioned on the sidewall of corresponding step, described material extrusion cover is fixedly connected with by connector with the axial end place of the step in axle outside respectively, described progressive die main body and each progressive die split respectively with the suitable setting of step of axle inner side.
By adopting technique scheme, further improve the reasonability of passage distribution and the convenience of assembling.
The present invention further arranges: described material extrusion passage is shape of threads setting, and material extrusion passage is and is reduced gradually to arrange by its entrance point to the thread pitch of the port of export.
By adopting technique scheme, improved the uniformity of each tunic material at compound tense.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structure chart;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1.
The specific embodiment
Referring to accompanying drawing 1 to accompanying drawing 3, co-extrusion film blowing machine head disclosed by the invention, comprise axle 1, the die head 2 of going out, inside go out die head 3, material extrusion cover 4 and progressive die head 5, in described axle 1 with in go out in die head 3, to be provided with the air blowing road 6 being connected, described go out die head 2 and in go out between die head 3, to be provided with tapping channel 7, described material extrusion cover 4 is provided with some quantity, material extrusion cover 4 radial direction at axle 1 of described some quantity are to stack gradually and are set in described axle 1 outside, between described each material extrusion cover 4, between the material extrusion cover 4 adjacent with axle 1 and axle 1, be respectively arranged with material extrusion passage 401, the port of export of described each material extrusion passage 401 intersects at the entrance point of described tapping channel 7.By adopting technique scheme, make each tunic material simultaneously compound at the entrance point of tapping channel 7, the passage length of each tunic material differs less, each tunic material is compound more even, and material extrusion cover 4 radial direction at axle 1 stack gradually and are set in axle 1 outside, make to assemble convenient.
The present embodiment further arranges: described progressive die head 5 comprises progressive die main body 501 and the progressive die split 502 that stacks gradually the some quantity that are set in progressive die main body 501 outsides in the radial direction of progressive die main body 501, in progressive die main body 501, between each progressive die split 502, between the progressive die split 502 adjacent with progressive die main body 501 and progressive die main body 501, be respectively arranged with the material access 503 with material extrusion passage 401 respective numbers, each material access 503 is respectively arranged with material inlet 504, described axle 1 is provided with the material channel 101 that is communicated with respectively material access 503 and material extrusion passage 401.By adopting technique scheme, make the passage distribution of each tunic material more reasonable.
The present embodiment further arranges: described axle 1 is respectively arranged with for inner side and the outside of progressive die head 5 one end the step that overlaps 4 respective numbers with material extrusion, the two ends of described material channel 101 are separately positioned on the sidewall of corresponding step, described material extrusion cover 4 is fixedly connected with by connector 8 with the axial end place of the step in axle 1 outside respectively, described progressive die main body 501 and each progressive die split 502 respectively with the suitable setting of step of axle 1 inner side.By adopting technique scheme, further improve the reasonability of passage distribution and the convenience of assembling.
The present embodiment further arranges: described material extrusion passage 401 is shape of threads setting, and material extrusion passage 401 is and is reduced gradually to arrange by its entrance point to the thread pitch of the port of export.By adopting technique scheme, improved the uniformity of each tunic material at compound tense.
Claims (4)
1. a co-extrusion film blowing machine head, comprise axle, the die head of going out, inside go out die head, material extrusion cover and progressive die head, in described axle with in go out in die head, to be provided with the air blowing road being connected, described go out die head and in go out between die head, to be provided with tapping channel, described material extrusion cover is provided with some quantity, it is characterized in that: the radial direction that the material extrusion of described some quantity is enclosed within axle is to stack gradually and is set in described axle outside, between described each material extrusion cover, between the material extrusion cover adjacent with axle and axle, be respectively arranged with material extrusion passage, the port of export of described each material extrusion passage intersects at the entrance point of described tapping channel.
2. co-extrusion film blowing machine head according to claim 1, it is characterized in that: described progressive die head comprises progressive die main body and the progressive die split that stacks gradually the some quantity that are set in progressive die main body outside in the radial direction of progressive die main body, in progressive die main body, between each progressive die split, between the progressive die split adjacent with progressive die main body and progressive die main body, be respectively arranged with the material access with material extrusion passage respective numbers, each material access is respectively arranged with material inlet, and described axle is provided with the material channel that is communicated with respectively material access and material extrusion passage.
3. co-extrusion film blowing machine head according to claim 2, it is characterized in that: described axle is respectively arranged with for inner side and the outside of the first end of progressive die the step that overlaps respective numbers with material extrusion, the two ends of described material channel are separately positioned on the sidewall of corresponding step, described material extrusion cover is fixedly connected with by connector with the axial end place of the step in axle outside respectively, described progressive die main body and each progressive die split respectively with the suitable setting of step of axle inner side.
4. according to the co-extrusion film blowing machine head described in claim 1 or 2 or 3, it is characterized in that: described material extrusion passage is shape of threads setting, and material extrusion passage is and is reduced gradually to arrange by its entrance point to the thread pitch of the port of export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613517.3A CN103660226A (en) | 2013-11-26 | 2013-11-26 | Multi-layer co-extrusion film blowing machine head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613517.3A CN103660226A (en) | 2013-11-26 | 2013-11-26 | Multi-layer co-extrusion film blowing machine head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103660226A true CN103660226A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310613517.3A Pending CN103660226A (en) | 2013-11-26 | 2013-11-26 | Multi-layer co-extrusion film blowing machine head |
Country Status (1)
| Country | Link |
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| CN (1) | CN103660226A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626344A (en) * | 2017-02-06 | 2017-05-10 | 广东金明精机股份有限公司 | Three-layer co-extruding film blowing die head |
| CN106827449A (en) * | 2017-01-20 | 2017-06-13 | 中山市科志达机械有限公司 | A kind of blown film device of inflation film manufacturing machine |
| CN109693367A (en) * | 2017-10-21 | 2019-04-30 | 广东金明精机股份有限公司 | Concentric sleeve type multi-layered co-extrusion film blowing machine head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318024Y (en) * | 1998-01-06 | 1999-05-12 | 孙洪举 | Superimposed multilayer extruding and blowing film machine head |
| JP2000000871A (en) * | 1998-06-18 | 2000-01-07 | Sekisui Chem Co Ltd | Apparatus for manufacture of resin molding |
| CN101480847A (en) * | 2009-01-22 | 2009-07-15 | 马镇鑫 | Multi-layer co-extrusion film-blowing equipment and multi-layer co-extrusion film-blowing technique |
| CN101767449A (en) * | 2010-01-20 | 2010-07-07 | 义乌市望江塑料厂 | Multi-layer co-extrusion film-blowing die head capable of automatically controlling and stabilizing diameter of female film |
| CN203592658U (en) * | 2013-11-26 | 2014-05-14 | 瑞安市红旗塑料包装机械有限公司 | Multi-layer co-extrusion film blowing machine head |
-
2013
- 2013-11-26 CN CN201310613517.3A patent/CN103660226A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318024Y (en) * | 1998-01-06 | 1999-05-12 | 孙洪举 | Superimposed multilayer extruding and blowing film machine head |
| JP2000000871A (en) * | 1998-06-18 | 2000-01-07 | Sekisui Chem Co Ltd | Apparatus for manufacture of resin molding |
| CN101480847A (en) * | 2009-01-22 | 2009-07-15 | 马镇鑫 | Multi-layer co-extrusion film-blowing equipment and multi-layer co-extrusion film-blowing technique |
| CN101767449A (en) * | 2010-01-20 | 2010-07-07 | 义乌市望江塑料厂 | Multi-layer co-extrusion film-blowing die head capable of automatically controlling and stabilizing diameter of female film |
| CN203592658U (en) * | 2013-11-26 | 2014-05-14 | 瑞安市红旗塑料包装机械有限公司 | Multi-layer co-extrusion film blowing machine head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827449A (en) * | 2017-01-20 | 2017-06-13 | 中山市科志达机械有限公司 | A kind of blown film device of inflation film manufacturing machine |
| CN106827449B (en) * | 2017-01-20 | 2022-11-25 | 广东科志达机械科技有限公司 | Film blowing device of film blowing machine |
| CN106626344A (en) * | 2017-02-06 | 2017-05-10 | 广东金明精机股份有限公司 | Three-layer co-extruding film blowing die head |
| CN106626344B (en) * | 2017-02-06 | 2018-11-20 | 广东金明精机股份有限公司 | Three-layer co-extruded film-blowing die head |
| CN109693367A (en) * | 2017-10-21 | 2019-04-30 | 广东金明精机股份有限公司 | Concentric sleeve type multi-layered co-extrusion film blowing machine head |
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Application publication date: 20140326 |