CN103587092A - EVA film extruder with feed adjusting function - Google Patents

EVA film extruder with feed adjusting function Download PDF

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Publication number
CN103587092A
CN103587092A CN201310519261.XA CN201310519261A CN103587092A CN 103587092 A CN103587092 A CN 103587092A CN 201310519261 A CN201310519261 A CN 201310519261A CN 103587092 A CN103587092 A CN 103587092A
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CN
China
Prior art keywords
feed
feed hopper
main barrel
extruder
glued membrane
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.)
Granted
Application number
CN201310519261.XA
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Chinese (zh)
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CN103587092B (en
Inventor
顾正忠
陈忠斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Pengfei Automation Machinery Co., Ltd
Original Assignee
SUZHOU TECHNIQUE SOLAR FILM MATERIAL CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU TECHNIQUE SOLAR FILM MATERIAL CO Ltd filed Critical SUZHOU TECHNIQUE SOLAR FILM MATERIAL CO Ltd
Priority to CN201610032805.3A priority Critical patent/CN105538651B/en
Priority to CN201310519261.XA priority patent/CN103587092B/en
Publication of CN103587092A publication Critical patent/CN103587092A/en
Application granted granted Critical
Publication of CN103587092B publication Critical patent/CN103587092B/en
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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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/286—Raw material dosing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
    • B29C2948/92104—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92161—Volume or quantity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to an EVA film extruder with feed adjusting function, and belongs to the technical field of extrusion molding of plastic. The EVA film extruder comprises a main barrel, an extrusion screw arranged in the main barrel and a driving motor for driving the extrusion screw to rotate; the charging end of the main barrel is provided with a feed hopper; the bottom of the feed hopper is shaped of a cone with a downward cone node, and is provided with an opening at the cone node; the discharging end of the main barrel is provided with a mold head, the opening of the feed hopper is provided with an adjusting plate; the opening of the mold head is provided with a flow sensor for generating material flow information; the outside of the feed hopper is provided with an adjusting motor for driving the adjusting plate to rotate after the material flow information is received; and a material passing channel is formed by the adjusting plate and the side wall of the feed hopper. The EVA film extruder has the advantages of being capable of substantially changing extruder feed in a short time and being adaptive to production fluctuation requirement on fusion resin.

Description

The EVA glued membrane extruder with feed regulatory function
Technical field
The present invention relates to a kind of EVA glued membrane extruder, belong to the extrusion technology field of plastics.
Background technology
At present, the encapsulation of solar cell generally adopts ethene one vinyl acetate copolymer (EVA) glued membrane that solar battery sheet is sealed, and is bonded together with levels protective material, forms solar module.EVA is a kind of typical random macromolecular compound, and it has good wellability when heating and melting, has good flexibility, anti-stress cracking and adhesive property during cooling curing, be a kind of comparatively desirable can be for the material of solar cell package.
What EVA film forming adopted is extrusion forming process, and whole production line generally includes mixing plant, extrusion equipment, film pressing device, trimming unit and winding device, completes batch mixing, material loading, extrudes, moulding, trimming, winding process.Wherein, extrusion equipment is the major part in whole production line, extruder and the die head that is arranged at extruder end, consists of.Extruder is screw extruder, and the top of extruder is provided with hopper, and screw rod outside is provided with heater, and the raw material falling in hopper in extruder is heated it along with the conveying of screw rod, makes its plasticizing, and molten resin goes out glued membrane through the discharging opening curtain coating of die head.The pressure roller press mold moulding of glued membrane in film pressing device, then cooling and shaping.
Applicant finds, by hopper to extruder feed, be mainly by the material self gravitation in hopper to extruder feed, feed change is little, be not suitable for significantly changing the function to extruder feed in the short time, do not adapt to the requirement of molten resin fluctuation.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, proposes significantly to change in a kind of short time to extruder feed and adapts to the EVA glued membrane extruder with feed regulatory function of the requirement of molten resin fluctuation.
The present invention is that the technical scheme that solves the problems of the technologies described above proposition is: a kind of EVA glued membrane extruder with feed regulatory function, comprise main barrel, be located at extrusion screw rod and the drive motors for driving extrusion screw rod to rotate in main barrel, the feed end of described main barrel is provided with feed hopper, described feed hopper bottom is made as the downward taper of the vertex of a cone and is shaped with the opening that is positioned at vertex of a cone place, the discharge end of described main barrel is provided with die head, the opening part of described feed hopper is provided with adjustable plate, described die head exit place is provided with the flow sensor for generation of mass flow information, described feed hopper outside is provided with the adjusting motor rotating for receiving described mass flow information rear drive adjustable plate, described adjustable plate and described feed hopper sidewall form material passing passage.
The present invention adopts the beneficial effect of technique scheme to be: by the feed end at main barrel, be provided with feed hopper, the discharge end of main barrel is provided with die head, the opening part of feed hopper is provided with adjustable plate, die head exit place is provided with the flow sensor for generation of mass flow information, feed hopper outside is provided with the adjusting motor rotating for receiving material flow information rear drive adjustable plate, and adjustable plate and feed hopper sidewall form material passing passage; Due to what give main barrel feed, it is EVA particle, therefore can rotate by the mass flow information-driven adjustable plate that regulates motor to produce according to the flow sensor at die head exit place, by regulating the size of the material passing passage of adjustable plate and the formation of feed hopper madial wall, carry out feed quantity adjusting, have advantages of and in the short time, significantly change to extruder feed and adapt to the requirement of molten resin fluctuation.
The improvement of technique scheme is: described die head exit place is provided with the temperature sensor for generation of temperature of charge information, and the outside border of described main barrel is provided with the heater that regulates heating-up temperature after described temperature of charge information for receiving.
The improvement of technique scheme is: on described adjustable plate, be shaped with 0.49mm projection.
The improvement of technique scheme is: between described flow sensor and adjusting motor, be in series with the first mould/number conversion module and the first central processing unit.
The improvement of technique scheme is: between described temperature sensor and heater, be in series with the second mould/number conversion module and the second central processing unit.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation that the embodiment of the present invention has the EVA glued membrane extruder of feed regulatory function.
The specific embodiment
Embodiment
The EVA glued membrane extruder with feed regulatory function of the present embodiment, as shown in Figure 1, comprises main barrel 1, is located at extrusion screw rod and the drive motors 2 for driving extrusion screw rod to rotate in main barrel 1.The feed end of main barrel 1 is provided with feed hopper 3, and feed hopper 3 bottoms are made as the downward taper of the vertex of a cone and are shaped with the opening that is positioned at vertex of a cone place, and the discharge end of main barrel 1 is provided with die head 4.
The opening part of feed hopper 3 is provided with adjustable plate 5, and die head 4 exits are provided with the flow sensor 6 for generation of mass flow information, and feed hopper 3 outsides are provided with the adjusting motor 7 rotating for receiving material flow information rear drive adjustable plate 5.Adjustable plate 5 forms material passing passage 5-1 with feed hopper 3 sidewalls.
Die head 4 exits of the present embodiment are provided with the temperature sensor 8 for generation of temperature of charge information, and the outside border of main barrel 1 is provided with the heater 9 that regulates heating-up temperature after temperature of charge information for receiving.
On the adjustable plate 5 of the present embodiment, be shaped with 0.49mm projection.
Between the flow sensor 6 of the present embodiment and adjusting motor 7, be in series with the first mould/number conversion module and the first central processing unit.
Between the temperature sensor 8 of the present embodiment and heater 9, be in series with the second mould/number conversion module and the second central processing unit.
The present invention is not limited to above-described embodiment.All employings are equal to replaces the technical scheme forming, and all drops on the protection domain of requirement of the present invention.

Claims (5)

1. an EVA glued membrane extruder with feed regulatory function, comprise main barrel, be located at extrusion screw rod and the drive motors for driving extrusion screw rod to rotate in main barrel, the feed end of described main barrel is provided with feed hopper, described feed hopper bottom is made as the downward taper of the vertex of a cone and is shaped with the opening that is positioned at vertex of a cone place, the discharge end of described main barrel is provided with die head, it is characterized in that: the opening part of described feed hopper is provided with adjustable plate, described die head exit place is provided with the flow sensor for generation of mass flow information, described feed hopper outside is provided with the adjusting motor rotating for receiving described mass flow information rear drive adjustable plate, described adjustable plate and described feed hopper sidewall form material passing passage.
2. the EVA glued membrane extruder as claimed in claim 1 with feed regulatory function, it is characterized in that: described die head exit place is provided with the temperature sensor for generation of temperature of charge information, the outside border of described main barrel is provided with the heater that regulates heating-up temperature after described temperature of charge information for receiving.
3. the EVA glued membrane extruder as claimed in claim 1 or 2 with feed regulatory function, is characterized in that: on described adjustable plate, be shaped with 0.49mm projection.
4. the EVA glued membrane extruder as claimed in claim 1 or 2 with feed regulatory function, is characterized in that: between described flow sensor and adjusting motor, be in series with the first mould/number conversion module and the first central processing unit.
5. the EVA glued membrane extruder as claimed in claim 1 or 2 with feed regulatory function, is characterized in that: between described temperature sensor and heater, be in series with the second mould/number conversion module and the second central processing unit.
CN201310519261.XA 2013-10-29 2013-10-29 There is the EVA film extruder of feed regulatory function Active CN103587092B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610032805.3A CN105538651B (en) 2013-10-29 2013-10-29 The method of work of EVA film extruder with feed regulatory function
CN201310519261.XA CN103587092B (en) 2013-10-29 2013-10-29 There is the EVA film extruder of feed regulatory function

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CN103587092B CN103587092B (en) 2016-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113059781A (en) * 2021-05-14 2021-07-02 杭州琉桧科技有限公司 Screw extruder capable of automatically adjusting feeding amount for cable processing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109397664A (en) * 2018-11-06 2019-03-01 安徽信德化纤有限公司 A kind of extruder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004188955A (en) * 2002-10-15 2004-07-08 Maruyasu:Kk Raw material supplying device
CN102744848A (en) * 2012-06-27 2012-10-24 苏州烁尔新材料有限公司 Ethylene-vinyl acetate (EVA) film extruder
CN202592745U (en) * 2012-04-27 2012-12-12 常州商隆产业用纺织品有限公司 Equipment for producing heat sealing plastic films
CN203622886U (en) * 2013-10-29 2014-06-04 苏州泰科尼光伏材料有限公司 EVA (ethylene-vinyl acetate copolymer) film extruder with feed adjustment function

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201579975U (en) * 2010-01-13 2010-09-15 天津运城塑业有限公司 Novel accurate adding equipment of raw material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004188955A (en) * 2002-10-15 2004-07-08 Maruyasu:Kk Raw material supplying device
CN202592745U (en) * 2012-04-27 2012-12-12 常州商隆产业用纺织品有限公司 Equipment for producing heat sealing plastic films
CN102744848A (en) * 2012-06-27 2012-10-24 苏州烁尔新材料有限公司 Ethylene-vinyl acetate (EVA) film extruder
CN203622886U (en) * 2013-10-29 2014-06-04 苏州泰科尼光伏材料有限公司 EVA (ethylene-vinyl acetate copolymer) film extruder with feed adjustment function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113059781A (en) * 2021-05-14 2021-07-02 杭州琉桧科技有限公司 Screw extruder capable of automatically adjusting feeding amount for cable processing

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Publication number Publication date
CN105538651A (en) 2016-05-04
CN103587092B (en) 2016-01-20
CN105538651B (en) 2018-06-26

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Address before: 215128 golden silk industrial park, Guo Xiang, Wuzhong District, Suzhou, Jiangsu

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Address before: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong.

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Patentee after: Anhui Huateng agricultural science and Technology Co. Ltd.

Address before: 221300 room 112, student Pioneer Park, Pizhou Road, the Yellow River Road, Pizhou, Xuzhou, Jiangsu

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Effective date of registration: 20191025

Address after: 221311 No.18, Xincun Road, industrial park, Tushan Town, Pizhou City, Xuzhou City, Jiangsu Province

Patentee after: Jiangsu Pengfei Automation Machinery Co., Ltd

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Denomination of invention: EVA film extruder with feeding regulation function

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