CN203888202U - Machine head of three-layer co-extrusion film blowing machine set - Google Patents
Machine head of three-layer co-extrusion film blowing machine set Download PDFInfo
- Publication number
- CN203888202U CN203888202U CN201420155990.1U CN201420155990U CN203888202U CN 203888202 U CN203888202 U CN 203888202U CN 201420155990 U CN201420155990 U CN 201420155990U CN 203888202 U CN203888202 U CN 203888202U
- Authority
- CN
- China
- Prior art keywords
- support seat
- ring
- axially extending
- core
- extending bore
- 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.)
- Expired - Fee Related
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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
- 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
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a machine head of a three-layer co-extrusion film blowing machine set. The machine head mainly comprises an upper supporting seat, a lower supporting seat, a bearing seat, an inner layer core, a middle layer core, an outer layer core, an inner spiral body, a middle spiral body, an outer spiral body, an inner transitional body, an outer transitional body, an opening seat and an adjusting ring, wherein the outer layer core is driven to rotate through a gear by an external motor, so that all the components above a bearing pressing cover rotate; raw materials pass through raw material inlets in upper, middle and lower metal blocks of the lower supporting seat, and enter axial through holes of the outer layer core, the middle layer core and the inner layer core respectively; a film is discharged from a clearance between an opening mold and the adjusting ring finally; air enters an air inlet hole in the upper supporting seat, passes through a process hole, and then enters an air outlet hole. Compared with the prior art, the machine head of the three-layer co-extrusion film blowing machine set has the advantages that the processing effect is good; the yield is increased while the product quality is ensured; the machine head is convenient to maintain and repair.
Description
technical fieldthe utility model relates to a kind of machining equipment, relates in particular to a kind of device of plastic processing.
background technologyat field of plastics processing, especially HDPE, the composite package film manufacture fields such as LDPE, blown film unit is conventional process equipment, its product processing is widely used in food, medicine, health products, stationery, the fields such as cosmetics, the blown film unit that current manufacturing enterprise adopts mainly comprises unit group, two-shipper group and three units, and two-shipper group and the application of three units are more, the core component of current blown film unit is mainly head and cooling system, especially the head of blown film unit, the quality of its performance directly affects the effect of product, three layers of current head for extrusion film units are because defect in structure cannot ensure the quality of product, and exist and yield poorly in the process of reality processing, maintenance inconvenience, the defects such as service life is short.
summary of the inventionthe purpose of this utility model is to provide a kind of head of three-layer co-extruded blown film unit, and this head processing effect is good, ensures product quality when improving output, and maintenance is convenient, and long service life, saves production cost.
Concrete technical scheme of the present utility model is as follows:
A kind of head of three-layer co-extruded blown film unit, mainly include upper support seat, lower support seat, bearing block, in, in, outer core, in, in, external spiral body, in, outer transition body, mouth seat and adjustable ring, wherein lower support seat is setting up and down and be bolted that metal derby together forms by three, the bottom of lower metal derby is connected with ring flange by bolt, the top of upper metal derby is bolted bearing block, there is an inside to establish the upper of the vertical outer core of axially extending bore and bearing block inside, lower bearing is connected, and on outer core, cover has the bearing gland joining with bearing block top, the lower end of described outer core extends in the upper metal derby of lower support seat, and in upper metal derby, establishes one end and be communicated with outer core inner axially extending bore, the passage that the other end is material inlet, described outer core inner is established the middle level core coaxial with it, and this middle level core inner is still established axially extending bore, and its lower end is stretched in the middle metal derby of lower support seat, and in middle metal derby, establishes one end and be communicated with middle level core inner axially extending bore, the passage that the other end is material inlet, described middle level core inner is established the internal layer core coaxial with it, and this internal layer core inner is still established axially extending bore, and its lower end is stretched in the lower metal derby of lower support seat, and in lower metal derby, establishes one end and be communicated with internal layer core inner axially extending bore, the passage that the other end is material inlet, the top of described outer core is stretched in the axially extending bore of upper support seat inside, and general outer core and upper support seat weld or link together by flange, the upper end of described upper support seat is bolted the outer mould base of ring-shaped section and ring-shaped, the external spiral body of holding the ring-shaped section and ring-shaped that is connected with upper support seat is set in the inside of described outer mould base, this external spiral body is fixed together by bolt and upper support seat, and on the lateral wall of described external spiral body, be processed with helicla flute, the helicla flute of external spiral body is connected with the axially extending bore of above-mentioned outer core by the passage of establishing therein, the middle conveyor screw of ring-shaped section and ring-shaped is established in the inside of described external spiral body, in this, conveyor screw is fixed together by bolt and external spiral body, and in described, on spirochetal lateral wall, be processed with helicla flute, in spirochetal helicla flute be connected with the axially extending bore of above-mentioned middle level core by the passage of establishing therein, in described, internal spiral is established in spirochetal inside, this internal spiral is fixed together by bolt and middle conveyor screw, and on the lateral wall of described internal spiral, be processed with helicla flute, the helicla flute of internal spiral is connected with the axially extending bore of above-mentioned internal layer core by the passage of establishing therein, the outer cover of above-mentioned external spiral body has the outer transition body of a ring-shaped section and ring-shaped, together with the lower end of this outer transition body and outer mould base are connected and they are bolted on, the top of above-mentioned internal spiral is bolted interior transition body, the top of this interior transition body is bolted a mouthful mould, the outer cover of described mouthful mould has the adjustable ring of a ring-shaped section and ring-shaped, together with the lower end of this adjustable ring is connected with outer transition body and they are bolted on, between described adjustable ring and mouthful mould, have gap, go out membrane channels, this lower end that goes out membrane channels is all communicated with the gap between gap and interior transition body and the middle conveyor screw between gap, external spiral body and the middle conveyor screw between outer transition body and external spiral body, establish the venthole of impenetrating mouth mould, interior transition body successively by the upper end of mouth mould, one end of this venthole is located on mouthful mould, and the other end is located at above-mentioned internal spiral inside, by the lower end of upper support seat establish run through successively upper support seat, external spiral body, in spirochetal fabrication hole, one end of this fabrication hole is located on upper support seat, the other end is connected with above-mentioned venthole, and described fabrication hole communicates with the inner passage of external spiral body, middle conveyor screw and internal spiral respectively, air admission hole is established in the inside of described upper support seat, and one end of this air admission hole is located on the outer face of upper support seat, and the other end is connected with described fabrication hole.
The utility model is in the time of work, outer core is rotated by gear driven by the motor of peripheral hardware, thereby the above assembly of bearing gland all rotates, raw material is entered by the material inlet on the upper, middle and lower metal derby of lower support seat, enter respectively outer, in, the axially extending bore of internal layer core, last by the gap membrane between mouth mould and adjustable ring; Gas is entered by the air admission hole of upper support seat inside, enters venthole by fabrication hole (being generally located at the openend sealing on upper support seat).
The utility model can be realized the processing of the composite package films such as various LDPE, HDPE, LLDPE, EVA, be conducive to high speed compound, multicolor overprint, not only composite effect is good, and the product stretching resistance processing is strong, it is good that the utility model compared with prior art has processing effect, and processing output is high, and product quality is high, maintenance is convenient, long service life, reducing production costs in you, has improved output greatly.
brief description of the drawingsfig. 1 is that master of the present utility model looks section simplified schematic diagram.
detailed description of the inventionin the schematic diagram of the head of a kind of three-layer co-extruded blown film unit shown in Fig. 1, lower support seat 1 is setting up and down and be bolted that metal derby together forms by three, the bottom of lower metal derby 1-1 is connected with ring flange 2 by bolt, the top of upper metal derby 1-2 is bolted bearing block 3, the vertical outer core 4 that has an inside to establish axially extending bore is connected with the upper and lower bearing of bearing block inside, and on outer core, cover has the bearing gland 5 joining with bearing block top; The lower end of described outer core extends in the upper metal derby of lower support seat, and in upper metal derby, establishes one end and be communicated with outer core inner axially extending bore, the passage 6 that the other end is material inlet; Described outer core inner is established the middle level core 7 coaxial with it, this middle level core inner is still established axially extending bore, its lower end is stretched in the middle metal derby 1-3 of lower support seat, and in middle metal derby, establishes one end and be communicated with middle level core inner axially extending bore, the passage 8 that the other end is material inlet; Described middle level core inner is established the internal layer core 9 coaxial with it, this internal layer core inner is still established axially extending bore, its lower end is stretched in the lower metal derby of lower support seat, and in lower metal derby, establishes one end and be communicated with internal layer core inner axially extending bore, the path 10 that the other end is material inlet; The top of described outer core is stretched in the axially extending bore of upper support seat 40 inside; The upper end of described upper support seat is bolted the outer mould base 11 of ring-shaped section and ring-shaped, the external spiral body 12 of holding the ring-shaped section and ring-shaped that is connected with upper support seat is set in the inside of described outer mould base, this external spiral body is fixed together by bolt and upper support seat, and on the lateral wall of described external spiral body, be processed with helicla flute 13, the helicla flute of external spiral body is connected with the axially extending bore of above-mentioned outer core by the passage 14 of establishing therein; The middle conveyor screw 15 of ring-shaped section and ring-shaped is established in the inside of described external spiral body, in this, conveyor screw is fixed together by bolt and external spiral body, and in described, on spirochetal lateral wall, be processed with helicla flute 16, in spirochetal helicla flute be connected with the axially extending bore of above-mentioned middle level core by the passage 17 of establishing therein; In described, internal spiral 18 is established in spirochetal inside, this internal spiral is fixed together by bolt and middle conveyor screw, and on the lateral wall of described internal spiral, be processed with helicla flute 19, the helicla flute of internal spiral is connected with the axially extending bore of above-mentioned internal layer core by the passage 20 of establishing therein; The outer cover of above-mentioned external spiral body has the outer transition body 21 of a ring-shaped section and ring-shaped, together with the lower end of this outer transition body and outer mould base are connected and they are bolted on; The top of above-mentioned internal spiral is bolted interior transition body 22, the top of this interior transition body is bolted mouthful mould 23, the outer cover of described mouthful mould has the adjustable ring 24 of a ring-shaped section and ring-shaped, together with the lower end of this adjustable ring is connected with outer transition body and they are bolted on; Between described adjustable ring and mouthful mould, there is gap, go out membrane channels 25, this lower end that goes out membrane channels is all communicated with the gap 28 between gap 27 and interior transition body and the middle conveyor screw between gap 26, external spiral body and the middle conveyor screw between outer transition body and external spiral body; Establish the venthole 29 of impenetrating mouth mould, interior transition body successively by the upper end of mouth mould, one end of this venthole is located on mouthful mould, and the other end is located at above-mentioned internal spiral inside; By the lower end of upper support seat establish run through successively upper support seat, external spiral body, in spirochetal fabrication hole 30, one end of this fabrication hole is located on upper support seat, the other end is connected with above-mentioned venthole, and described fabrication hole communicates with the inner passage of external spiral body, middle conveyor screw and internal spiral respectively; Air admission hole 31 is established in the inside of described upper support seat, and one end of this air admission hole is located on the outer face of upper support seat, and the other end is connected with described fabrication hole.
Claims (1)
1. the head of a three-layer co-extruded blown film unit, comprise upper support seat, lower support seat, bearing block, in, in, outer core, in, in, external spiral body, in, outer transition body, mouth seat and adjustable ring, it is characterized in that: lower support seat is setting up and down and be bolted that metal derby together forms by three, the bottom of lower metal derby is connected with ring flange by bolt, the top of upper metal derby is bolted bearing block, there is an inside to establish the upper of the vertical outer core of axially extending bore and bearing block inside, lower bearing is connected, and on outer core, cover has the bearing gland joining with bearing block top, the lower end of described outer core extends in the upper metal derby of lower support seat, and in upper metal derby, establishes one end and be communicated with outer core inner axially extending bore, the passage that the other end is material inlet, described outer core inner is established the middle level core coaxial with it, and this middle level core inner is still established axially extending bore, and its lower end is stretched in the middle metal derby of lower support seat, and in middle metal derby, establishes one end and be communicated with middle level core inner axially extending bore, the passage that the other end is material inlet, described middle level core inner is established the internal layer core coaxial with it, and this internal layer core inner is still established axially extending bore, and its lower end is stretched in the lower metal derby of lower support seat, and in lower metal derby, establishes one end and be communicated with internal layer core inner axially extending bore, the passage that the other end is material inlet, the top of described outer core is stretched in the axially extending bore of upper support seat inside, the upper end of described upper support seat is bolted the outer mould base of ring-shaped section and ring-shaped, the external spiral body of holding the ring-shaped section and ring-shaped that is connected with upper support seat is set in the inside of described outer mould base, this external spiral body is fixed together by bolt and upper support seat, and on the lateral wall of described external spiral body, be processed with helicla flute, the helicla flute of external spiral body is connected with the axially extending bore of above-mentioned outer core by the passage of establishing therein, the middle conveyor screw of ring-shaped section and ring-shaped is established in the inside of described external spiral body, in this, conveyor screw is fixed together by bolt and external spiral body, and in described, on spirochetal lateral wall, be processed with helicla flute, in spirochetal helicla flute be connected with the axially extending bore of above-mentioned middle level core by the passage of establishing therein, in described, internal spiral is established in spirochetal inside, this internal spiral is fixed together by bolt and middle conveyor screw, and on the lateral wall of described internal spiral, be processed with helicla flute, the helicla flute of internal spiral is connected with the axially extending bore of above-mentioned internal layer core by the passage of establishing therein, the outer cover of above-mentioned external spiral body has the outer transition body of a ring-shaped section and ring-shaped, together with the lower end of this outer transition body and outer mould base are connected and they are bolted on, above-mentioned internal layer core top be bolted interior transition body, the top of this interior transition body is bolted a mouthful mould, the outer cover of described mouthful mould has the adjustable ring of a ring-shaped section and ring-shaped, together with the lower end of this adjustable ring is connected with outer transition body and they are bolted on, between described adjustable ring and mouthful mould, have gap, go out membrane channels, this lower end that goes out membrane channels is all communicated with the gap between gap and interior transition body and the middle conveyor screw between gap, external spiral body and the middle conveyor screw between outer transition body and external spiral body, establish the venthole of impenetrating mouth mould, interior transition body successively by the upper end of mouth mould, one end of this venthole is located on mouthful mould, and the other end is located at above-mentioned internal spiral inside, by the lower end of upper support seat establish run through successively upper support seat, external spiral body, in spirochetal fabrication hole, one end of this fabrication hole is located on upper support seat, the other end is connected with above-mentioned venthole, and described fabrication hole communicates with the inner passage of external spiral body, middle conveyor screw and internal spiral respectively, air admission hole is established in the inside of described upper support seat, and one end of this air admission hole is located on the outer face of upper support seat, and the other end is connected with described fabrication hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155990.1U CN203888202U (en) | 2014-04-02 | 2014-04-02 | Machine head of three-layer co-extrusion film blowing machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155990.1U CN203888202U (en) | 2014-04-02 | 2014-04-02 | Machine head of three-layer co-extrusion film blowing machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203888202U true CN203888202U (en) | 2014-10-22 |
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ID=51714648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155990.1U Expired - Fee Related CN203888202U (en) | 2014-04-02 | 2014-04-02 | Machine head of three-layer co-extrusion film blowing machine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203888202U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034569A (en) * | 2015-08-27 | 2015-11-11 | 安庆市兴丰工贸有限公司 | Improved film blowing, printing and rolling all-in-one machine |
| CN105058768A (en) * | 2015-08-27 | 2015-11-18 | 安庆市兴丰工贸有限公司 | Film blowing device of film blowing printing machine |
| CN105172117A (en) * | 2015-08-27 | 2015-12-23 | 安庆市兴丰工贸有限公司 | Film blowing machine with improved film blowing device |
| CN112622252A (en) * | 2020-12-30 | 2021-04-09 | 重庆瑞霆塑胶有限公司 | Five-layer coextrusion film blowing machine head |
-
2014
- 2014-04-02 CN CN201420155990.1U patent/CN203888202U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034569A (en) * | 2015-08-27 | 2015-11-11 | 安庆市兴丰工贸有限公司 | Improved film blowing, printing and rolling all-in-one machine |
| CN105058768A (en) * | 2015-08-27 | 2015-11-18 | 安庆市兴丰工贸有限公司 | Film blowing device of film blowing printing machine |
| CN105172117A (en) * | 2015-08-27 | 2015-12-23 | 安庆市兴丰工贸有限公司 | Film blowing machine with improved film blowing device |
| CN112622252A (en) * | 2020-12-30 | 2021-04-09 | 重庆瑞霆塑胶有限公司 | Five-layer coextrusion film blowing machine head |
| CN112622252B (en) * | 2020-12-30 | 2022-07-15 | 重庆瑞霆塑胶有限公司 | Five-layer coextrusion film blowing machine head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160402 |