CN102744854A - Die head structure of ethylene-vinyl acetate (EVA) film extruder - Google Patents
Die head structure of ethylene-vinyl acetate (EVA) film extruder Download PDFInfo
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- CN102744854A CN102744854A CN2012102144075A CN201210214407A CN102744854A CN 102744854 A CN102744854 A CN 102744854A CN 2012102144075 A CN2012102144075 A CN 2012102144075A CN 201210214407 A CN201210214407 A CN 201210214407A CN 102744854 A CN102744854 A CN 102744854A
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- pulley
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Abstract
The invention discloses a die head structure of an ethylene-vinyl acetate (EVA) film extruder. The die head structure is obtained by splicing front and rear dies, and left and right end covers. Tops of the front and rear dies are installed on a frame of an EVA film extruder respectively by supports. The die head structure is characterized in that each one of the supports comprises a pulley assembly connected to the die top at least one side; the pulley assembly comprises a pulley slidingly connected to the frame of the EVA film extruder, a pulley yoke connecting two sides of the pulley, and a connection rod connected to the pulley yoke; and the connection rod is connected to the top of the front or rear die. Through the pulley assemblies, the die head structure realizes face-to-face or back-to-back movement of the front and rear dies, is convenient for disassembling of the front and rear dies in die head washing, and avoids travelling crane hoisting.
Description
Technical field
The present invention relates to a kind of EVA glued membrane production equipment, the die head on particularly a kind of EVA glued membrane extruder.
Background technology
Solar cell is if directly be exposed in the air, and its photoelectric transformation efficiency can descend very soon, loses practical value.Therefore, the research and development of the encapsulation material of solar cell are just very important.For reaching the purpose that is isolated from the outside; Adopt transparent, light aging resisting, adhesive property good, can bear that atmosphere changes and rubber-like ethylene-vinyl acetate copolymer (EVA) glued membrane is sealed solar battery sheet; And be bonded together with the levels protective material, constitute solar module.
EVA is a kind of typical random macromolecular compound; In its molecular structure; The irregular arrangement of substituting group on strand, the configuration of asymmetric carbon atom is also inequality in the strand simultaneously, arranges also irregular; Therefore it be that a kind of crystallinity is less, polarity and the higher material of pliability; It has good wellability when heating and melting in addition, has good flexibility, anti-stress cracking and adhesive property during cooling curing, is a kind of comparatively desirable material that can be used for solar cell package.
What the EVA film forming adopted is extrusion forming process, and whole production line generally includes mixing plant, extrusion equipment, film pressing device, side cut unit and rolling equipment, accomplishes batch mixing, material loading, extrudes, moulding, side cut, winding process.Wherein, Extrusion equipment is a step of most critical in the whole process, directly accomplish from raw material put into extruding of finished product, extrusion equipment mainly is made up of the die head of extruder and extruder front end; Said die head is made up of forward and backward cope and drag pattern tool and left and right end cap amalgamation; The die head top is lifted on by support on the frame of extrusion device, and the bottom is an extrusion, and raw material is from then on to be extruded the casting film-forming shape.
Owing to be extruded after raw material is sent to die head, thereby need regularly die head inside to be cleaned, will the forward and backward cope and drag pattern tool of die head be taken apart during cleaning; Because the weight of die head is bigger, present most of producer is that driving is connected with die head through the suspension ring that forward and backward mold top is provided with through the driving lifting; Remove left and right end cap earlier, move, forward and backward mould is split by driving; Thereby realize its inside is cleaned, resetted by driving after the completion again, forward and backward mould merges; Left and right end cap is installed is constituted die head, the die head top again with the extrusion device frame on support is connected, remove the lifting of driving a vehicle.This process is comparatively loaded down with trivial details, and need make troubles for EVA rubber moulding manufacturer, and improve production cost by driving.
Summary of the invention
Technical problem to above-mentioned existence the objective of the invention is: proposed the die head on a kind of EVA glued membrane extruder, through the improvement of structure, be convenient to the cleaning to die head, reduced the input of use cost.
Technical solution of the present invention is achieved in that the die head on a kind of EVA glued membrane extruder; Comprise the die head that constitutes by forward and backward mould and left and right end cap amalgamation; Said forward and backward mold top is installed on the frame of extrusion device through a support respectively; The said support of at least one side is made up of the pulley assembly that is connected with this side mold top; Said pulley assembly is made up of the pulley that is slidingly connected with said frame, the pulley yoke that is connected the pulley both sides, the connecting rod that is connected with pulley yoke, and said connecting rod is connected with the top of said front mold or back mould.
In the technique scheme, said pulley is made up of roller and wheel shaft, and said roller is slidingly connected on the said frame, and said wheel shaft and roller are rotationally connected, and its two ends are connected with said pulley yoke.
Further technical scheme is, said wheel shaft one end is provided with the pilot pin head, and the other end is provided with external screw thread, saidly takes turns beam warp one locking nut and pad is fixedly connected with said pulley yoke.
In the technique scheme, said frame is provided with gib block, and said roller is provided with the gathering sill that cooperates with this gib block.
Because the utilization of technique scheme, the present invention compared with prior art has advantage: the support that die head is connected with frame among the present invention is made up of the pulley yoke and the connecting rod of pulley, connection pulley, and pulley is slidingly connected on the frame; When cleaning, under the situation that left and right end cap is removed, can spur the one or both sides mould; Pulley is rolled along support; Realize the separation of forward and backward mould, thereby need not to use driving just can accomplish the cleaning of forward and backward mould, simplified matting; Alleviated labor intensity of operating personnel, cleaned more convenient.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1 is the user mode structural representation in the embodiment of the invention one;
Fig. 2 is a die head mounting structure sketch map in the embodiment of the invention one;
Fig. 3 is that the A-A of Fig. 2 is to cross-sectional schematic;
Fig. 4 is the package assembly sketch map of the embodiment of the invention one middle pulley assembly.
Wherein: 1, front mold; 2, back mould; 3, left end cap; 4, right end cap; 5, frame; 6, pulley yoke; 7, connecting rod; 8, roller; 9, wheel shaft; 10, pilot pin head; 11, hold-down nut; 12, pad; 13, gib block; 14, gathering sill.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description:
Embodiment one: shown in Fig. 1～4; Die head on a kind of EVA glued membrane extruder; Comprise the die head that constitutes by front mold 1, back mould 2 and left end cap 3, right end cap 4 amalgamations; Said front mold 1, mould 2 tops, back are installed on the frame 5 of extrusion device through a support respectively; The said support in both sides is made up of the pulley assembly that is connected with mold top respectively, and said pulley assembly is made up of the pulley that is slidingly connected with the frame 5 of said extrusion device, the pulley yoke 6 that is connected the pulley both sides, the connecting rod 7 that is connected with pulley yoke 6, and said connecting rod 7 is connected with the top of said front mold 1 or back mould 2.
Like Fig. 3, shown in 4; Said pulley is made up of roller 8 and wheel shaft 9, and said roller 8 is slidingly connected on the frame 5 of said extrusion device, and said wheel shaft 9 is rotationally connected with roller 8; Wheel shaft 9 one ends are provided with pilot pin head 10; The other end is provided with external screw thread, is threaded with wheel shaft by hold-down nut 11 and pad 12, and realization roller 8 is connected with pulley yoke 6.Said frame 5 is provided with gib block 13, and said roller 8 is provided with the gathering sill 14 that cooperates with this gib block 13, and roller 8 is realized the separation of front mold 1, back mould 2 along gib block 13 forward and backward rollings.
During cleaning, earlier left end cap 3, right end cap 4 are pulled down, front mold 1 and back mould 2 are spurred to former and later two directions, rolled at frame 5 upper edge gib blocks 13 by pulley, front mold 1, back mould 2 separate, and can clean die head inside; After the completion, front mold 1, back mould 2 are merged, left end cap 3, right end cap 4 install and fix, and get final product again.Saved the lifting of driving, made die cleaned more convenient, helped the maintenance of operating personnel, guaranteed the yields of EVA film finished product die head.
The foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this technology can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (4)
1. the die head on the EVA glued membrane extruder; Comprise the die head that constitutes by forward and backward mould and left and right end cap amalgamation; Said forward and backward mold top is installed on the frame of extrusion device through a support respectively; It is characterized in that: the said support of at least one side is made up of the pulley assembly that is connected with this side mold top; Said pulley assembly is made up of the pulley that is slidingly connected with said frame, the pulley yoke that is connected the pulley both sides, the connecting rod that is connected with pulley yoke, and said connecting rod is connected with the top of said front mold or back mould.
2. the die head on the EVA glued membrane extruder according to claim 1; It is characterized in that: said pulley is made up of roller and wheel shaft; Said roller is slidingly connected on the said frame, and said wheel shaft and roller are rotationally connected, and its two ends are connected with said pulley yoke.
3. the die head on the EVA glued membrane extruder according to claim 2 is characterized in that: said wheel shaft one end is provided with the pilot pin head, and the other end is provided with external screw thread, saidly takes turns beam warp one locking nut and pad is fixedly connected with said pulley yoke.
4. the die head on the EVA glued membrane extruder according to claim 2, it is characterized in that: said frame is provided with gib block, is provided with the gathering sill that cooperates with this gib block in the middle of the said roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102144075A CN102744854A (en) | 2012-06-27 | 2012-06-27 | Die head structure of ethylene-vinyl acetate (EVA) film extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102144075A CN102744854A (en) | 2012-06-27 | 2012-06-27 | Die head structure of ethylene-vinyl acetate (EVA) film extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102744854A true CN102744854A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102144075A Pending CN102744854A (en) | 2012-06-27 | 2012-06-27 | Die head structure of ethylene-vinyl acetate (EVA) film extruder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640200A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate copolymer) glue film extruding machine |
| CN108466435A (en) * | 2018-02-14 | 2018-08-31 | 北京航空航天大学 | A kind of anti-curing deformation mold design of composite wing |
| CN112497718A (en) * | 2020-10-31 | 2021-03-16 | 张家港三佳机械科技有限公司 | Blow mold head structure capable of being rapidly installed in butt joint mode |
| CN114131875A (en) * | 2021-11-10 | 2022-03-04 | 浙江中聚材料有限公司 | Production process and device of white solar cell packaging EVA (ethylene-vinyl acetate copolymer) co-extrusion adhesive film |
-
2012
- 2012-06-27 CN CN2012102144075A patent/CN102744854A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640200A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate copolymer) glue film extruding machine |
| CN108466435A (en) * | 2018-02-14 | 2018-08-31 | 北京航空航天大学 | A kind of anti-curing deformation mold design of composite wing |
| CN112497718A (en) * | 2020-10-31 | 2021-03-16 | 张家港三佳机械科技有限公司 | Blow mold head structure capable of being rapidly installed in butt joint mode |
| CN112497718B (en) * | 2020-10-31 | 2024-03-19 | 张家港三佳机械科技有限公司 | Blowing die head structure capable of being quickly installed in butt joint mode |
| CN114131875A (en) * | 2021-11-10 | 2022-03-04 | 浙江中聚材料有限公司 | Production process and device of white solar cell packaging EVA (ethylene-vinyl acetate copolymer) co-extrusion adhesive film |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121024 |