CN202764182U - Discharging filtering device on EVA (ethylene vinyl acetate) adhesive film extruding machine - Google Patents
Discharging filtering device on EVA (ethylene vinyl acetate) adhesive film extruding machine Download PDFInfo
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- CN202764182U CN202764182U CN 201220303916 CN201220303916U CN202764182U CN 202764182 U CN202764182 U CN 202764182U CN 201220303916 CN201220303916 CN 201220303916 CN 201220303916 U CN201220303916 U CN 201220303916U CN 202764182 U CN202764182 U CN 202764182U
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- screen pack
- screen
- spool
- filtering device
- installation position
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Abstract
The utility model discloses a discharging filtering device on an EVA (ethylene vinyl acetate) adhesive film extruding machine, which comprises filter screens, a feeding pipeline and a discharging pipeline, wherein a filter screen mounting position is arranged in the middle between the feeding pipeline and the discharging pipeline, and the discharging filtering device is characterized by further comprising a screen storage barrel and a screen rolling mechanism respectively mounted on two sides of the filter screen mounting position, wherein a filter screen coil formed by connecting a plurality of filter screens is arranged inside the screen storage barrel; a screen outlet is arranged on the screen storage barrel close to the mounting position side of the filter screen; the screen rolling mechanism comprises a support and a rolling shaft; the end tip of the filter screen coil penetrates through the screen outlet and is connected with the rolling shaft through the filter screen mounting position; and the rolling shaft is rotationally connected onto the support. According to the utility model, with the arrangement of the screen storage barrel and the screen rolling mechanism, the rolling shaft can be rotated, the replacement of the filter screens is realized, the operation is convenient, the EVA adhesive film extruding machine does not need to stop, and the pollution of dust and sundries to raw materials can be avoided.
Description
Technical field
The utility model relates to a kind of EVA glued membrane production equipment, particularly a kind of discharge filtering device of EVA glued membrane extruder, guarantees discharging opening.
Background technology
If solar cell directly is exposed in the air, 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 atmosphere and change and have flexible ethylene-vinyl acetate copolymer (EVA) glued membrane solar battery sheet is sealed; and be bonded together with the levels protective material, consist of 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 not identical yet in the strand simultaneously, arrange 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, having 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 winding device, finishes batch mixing, material loading, extrudes, moulding, side cut, winding process.Wherein, extrusion equipment is a step of most critical in the whole process, directly finish and put into extruding of finished product from raw material, extrusion equipment mainly is made of the die head of extruder and extruder front end, described die head is made 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 extrusion, and raw material is from then on to be extruded the casting film-forming shape.
Be connected through connecting line between die head and the extruder, be provided with filter between the discharging opening of extruder and the connecting line, connecting line is communicated with through adapter with die head, and the two ends at die head top are lifted on the frame through support respectively.Described filter is before raw material enters die head, and the screen pack filter operation of carrying out first is to eliminate the impurity that may exist in the raw material melt, to guarantee the quality of EVA glued membrane.Usually filter is comprised of screen pack and feed pipe, discharge pipe, and screen pack is arranged between feed pipe and the discharge pipe, and feed pipe is communicated with the discharge nozzle of extruder, and discharge pipe is communicated with the charging adapter of die head.Screen pack is using after a period of time, just need to change, guaranteeing filter effect, and when changing, need to suspend extruder, after opening filter, change screen pack, affect so on the one hand manufacturing schedule, on the other hand, the replacing operation has unavoidably dust or other impurity enters in the filter of opening, and this filter communicates with die inlet, extruder discharging mouth, and this just will directly have influence on the quality of EVA glued membrane.
Summary of the invention
For the technical problem of above-mentioned existence, the purpose of this utility model is: proposed a kind of discharge filtering device of EVA glued membrane extruder, improved filter effect, be convenient to change, reduced contaminated probability.
Technical solution of the present utility model is achieved in that the discharge filtering device on a kind of EVA glued membrane extruder, comprise screen pack, feed pipe and discharge pipe, the centre of described feed pipe and discharge pipe is provided with the screen pack installation position, be installed on respectively storage net bucket and a net drum structure of both sides, described screen pack installation position, be provided with the filtration net volume that is connected and composed by a plurality of described screen packs in the described storage net bucket, the storage net bucket of nearly described screen pack installation position side is provided with out network interface, described net drum structure comprises support and spool, the described network interface that goes out is passed in described filtration net volume termination, be connected with described spool through described screen pack installation position, described spool is rotationally connected with on the described support.
In the technique scheme, place, corresponding described screen pack installation position is provided with perforation in the middle of the described spool, also comprises an inserted sheet that cooperates with this perforation, and described inserted sheet cooperates with this perforation, and inserted sheet inserts described perforation and is fixedly connected with described spool by screw.
Further technical scheme is, described support is fixed on the outer wall of described feed pipe and described discharge pipe, and extend to the support outside at described spool two ends, consists of bare terminal end, and described bare terminal end surface is provided with the clamping plane that cooperates with the spanner clamping.
In the technique scheme, described storage net bucket is made of staving and loam cake, described staving bottom is fixed on the L-type angle steel, be to deposit the cavity volume that filters net volume in the described staving, be provided with backstay in the middle of the described cavity volume, described filtration net volume is placed on this backstay, and described L-type angle steel and described feed pipe or described discharge pipe outer wall are fixed.
Above, the screen pack of rolling can be deposited in the storage net bucket, the network interface that goes out on the storage net bucket is passed in the screen pack end, screen pack installation position between the charging and discharging pipeline, fixed by the spool in the net drum structure at last, when needs are changed screen pack, only need rotating scroll, pull out the screen pack in the storage net bucket, used screen pack is rolled up on spool, and original screen pack is pulled in the screen pack installation position and locates, so finish the replacing of screen pack, after the screen pack of entire volume uses, behind the taking-up volume heart, the filtration net volume that more renews.
Because the utilization of technique scheme, the utility model compared with prior art has following advantages:
1, be provided with storage net bucket and net drum structure in the utility model, the screen pack of rolling can be deposited in the storage net bucket, the network interface that goes out on the storage net bucket is passed in the screen pack end, through advancing, screen pack installation position between the discharge pipe, fixed by the spool in the net drum structure at last, when needs are changed screen pack, only need rotating scroll, pull out the screen pack in the storage net bucket, used screen pack is rolled up on spool, and original screen pack is pulled in place, screen pack installation position, so changes screen pack, need not on the one hand to shut down, do not affect production, it is convenient to change, on the other hand, reduce open into, the number of times of discharge pipe, avoid dust or other foreign material enter into, in the discharge pipe;
2, offer perforation on the spool, and be equipped with inserted sheet, fix with screw, thereby realize the fixing of screen pack and spool, and convenient fixing, when spool rotates, both can spur screen pack, can furl used screen pack again, easy to use, pollution-free.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Accompanying drawing 1 is the structural representation of the utility model embodiment one;
Accompanying drawing 2 is the enlarged drawing of the left view of Fig. 1;
Accompanying drawing 3 is the top view of Fig. 1;
Accompanying drawing 4 is that the A-A of Fig. 1 is to cross-sectional schematic.
Wherein: 1, screen pack; 2, feed pipe; 3, discharge pipe; 4, storage net bucket; 5, filter net volume; 6, support; 7, spool; 8, inserted sheet; 9, screw; 10, L-type angle steel; 11, backstay; 12, bare terminal end.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described.
Be depicted as discharge filtering device on a kind of EVA glued membrane extruder described in the utility model such as accompanying drawing 1～4, comprise screen pack 1, feed pipe 2, discharge pipe 3, storage net bucket 4 and net drum structure, the centre of described feed pipe 2 and discharge pipe 3 is provided with screen pack 1 installation position, described storage net bucket 4 and net drum structure are installed on respectively the both sides of described screen pack 1 installation position, be provided with the filtration net volume 5 that is connected and composed by a plurality of described screen packs 1 in the described storage net bucket 4, the storage net bucket 4 of nearly described screen pack 1 installation position side is provided with out network interface, described net drum structure comprises support 6 and spool 7, the described network interface that goes out is passed in described filtration net volume 5 terminations, be connected with described spool 7 through described screen pack installation position, described spool 7 is rotationally connected with on the described support 6.
Shown in Fig. 1,4, place, corresponding described filtration 1 net installation position in the middle of the described spool 7, be provided with the perforation of passing for screen pack 1, also comprise an inserted sheet 8 that cooperates with this perforation, described inserted sheet 8 cooperates with this perforation, and inserted sheet 8 inserts described perforation and is fixedly connected with described spool 7 by screw 9, and the screen pack 1 that passes in this perforation is fixing with spool 7, and keeps tensioning state.Described support 6 is fixed on the outer wall of described feed pipe 2 and described discharge pipe 3, and extend to support 6 outsides at described spool 7 two ends, consists of bare terminal end 12, and described bare terminal end 12 surfaces are provided with the clamping plane that cooperates with the spanner clamping.When changing screen pack 1, use with spanner clamping that bare terminal end 12 cooperates after, rotating scroll 7, pulling screen pack 1, screen pack 1 is around on the spool 7, original screen pack 1 is pulled out the replacing of realization screen pack 1 in storage net barrels 4.
As shown in Figure 4, described storage net bucket 4 is made of staving and loam cake, described staving bottom is fixed on the L-type angle steel 10, be to deposit the cavity volume that filters net volume 5 in the described staving, be provided with backstay 11 in the middle of the described cavity volume, described filtration net volume 5 is placed on this backstay 11, and described L-type angle steel 10 is fixed with described feed pipe 2 outer wall bolts.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with technique can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (4)
1. the discharge filtering device on the EVA glued membrane extruder, comprise screen pack, feed pipe and discharge pipe, the centre of described feed pipe and discharge pipe is provided with the screen pack installation position, it is characterized in that: also comprise storage net bucket and a net drum structure that is installed on respectively both sides, described screen pack installation position, be provided with the filtration net volume that is connected and composed by a plurality of described screen packs in the described storage net bucket, the storage net bucket of nearly described screen pack installation position side is provided with out network interface, described net drum structure comprises support and spool, the described network interface that goes out is passed in described filtration net volume termination, be connected with described spool through described screen pack installation position, described spool is rotationally connected with on the described support.
2. the discharge filtering device on the EVA glued membrane extruder according to claim 1, it is characterized in that: place, corresponding described screen pack installation position in the middle of the described spool, be provided with perforation, also comprise an inserted sheet that cooperates with this perforation, described inserted sheet cooperates with this perforation, and inserted sheet inserts described perforation and is fixedly connected with described spool by screw.
3. the discharge filtering device on the EVA glued membrane extruder according to claim 1 and 2, it is characterized in that: described support is fixed on the outer wall of described feed pipe and described discharge pipe, extend to the support outside at described spool two ends, consist of bare terminal end, described bare terminal end surface is provided with the clamping plane that cooperates with the spanner clamping.
4. the discharge filtering device on the EVA glued membrane extruder according to claim 1, it is characterized in that: described storage net bucket is made of staving and loam cake, described staving bottom is fixed on the L-type angle steel, be to deposit the cavity volume that filters net volume in the described staving, be provided with backstay in the middle of the described cavity volume, described filtration net volume is placed on this backstay, and described L-type angle steel and described feed pipe or described discharge pipe outer wall are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303916 CN202764182U (en) | 2012-06-27 | 2012-06-27 | Discharging filtering device on EVA (ethylene vinyl acetate) adhesive film extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303916 CN202764182U (en) | 2012-06-27 | 2012-06-27 | Discharging filtering device on EVA (ethylene vinyl acetate) adhesive film extruding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202764182U true CN202764182U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303916 Expired - Fee Related CN202764182U (en) | 2012-06-27 | 2012-06-27 | Discharging filtering device on EVA (ethylene vinyl acetate) adhesive film extruding machine |
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| CN (1) | CN202764182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104476A (en) * | 2019-06-13 | 2019-08-09 | 广东工业大学 | A kind of hook flower net net drum |
-
2012
- 2012-06-27 CN CN 201220303916 patent/CN202764182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104476A (en) * | 2019-06-13 | 2019-08-09 | 广东工业大学 | A kind of hook flower net net drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130627 |