CN102745613A - Die head hoisting mechanism of ethylene-vinyl acetate (EVA) film extruder - Google Patents
Die head hoisting mechanism of ethylene-vinyl acetate (EVA) film extruder Download PDFInfo
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- CN102745613A CN102745613A CN2012102144234A CN201210214423A CN102745613A CN 102745613 A CN102745613 A CN 102745613A CN 2012102144234 A CN2012102144234 A CN 2012102144234A CN 201210214423 A CN201210214423 A CN 201210214423A CN 102745613 A CN102745613 A CN 102745613A
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- die head
- hoisting
- lifting
- hoisting mechanism
- eva
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Abstract
The invention discloses a die head hoisting mechanism of an ethylene-vinyl acetate (EVA) film extruder. The die head hoisting mechanism is characterized in that the die head hoisting mechanism comprises a hoisting beam and at least two hoisting calabashes; the hoisting beam is arranged on a frame, is located above a die head and is parallel to the die head; hangers are arranged respectively at two ends and the middle of the hoisting beam and each one of the hangers is provided with a hanging hole; top ends of the at least two hoisting calabashes are provided with upper hoisting hooks cooperating with the hanging holes; and lifting hooks of the at least two hoisting calabashes cooperate with hoisting rings of the die head. Through the hoisting beam and the at least two hoisting calabashes, the die head hoisting mechanism realizes hoisting of the die head, does not need a travelling crane, is convenient for operation and reduces a use cost.
Description
Technical field
The present invention relates to a kind of EVA glued membrane production facilities annex, the die head hoisting mechanism 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 the random high molecular compound of a kind of representative type; In its molecular structure; The irregular arrangement of substituent on strand, the configuration of unsymmetrical carbon 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 elasticity; 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 CMT, 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.
Die head, is needed through the driving lifting about 1～2 ton by the weight of whole die head when mounted, fixes otherwise can't die head be connected with support, so makes troubles to EVA rubber moulding manufacturer.Except installation needed the driving lifting, die head all need split cleaning in use for some time; When splitting; Again by the lifting of driving a vehicle, so driving becomes the prerequisite equipment of EVA rubber moulding manufacturer; And need to be equipped with the navigating mate of driving, the working service that has improved the EVA manufacturing line requires and cost.
Summary of the invention
Technical matters to above-mentioned existence the objective of the invention is: proposed the die head hoisting mechanism on a kind of EVA glued membrane extruder, through the improvement of structure, be convenient to installation and fractionation to die head, reduced the input of use cost.
Technical solution of the present invention is achieved in that the die head hoisting mechanism on a kind of EVA glued membrane extruder; Comprise that a lifting crossbeam reaches at least 2 liftings and uses cucurbit; Said lifting crossbeam is arranged on the frame, is positioned at the top of die head, and is parallel to said die head layout; The two ends and the centre of said lifting crossbeam are respectively equipped with suspension member, and each said suspension member is provided with hanging hole; Said lifting is provided with the hook that cooperates with hanging hole with the cucurbit top, and lifting cooperates with suspension ring on the said die head with the lifting hook of cucurbit.
In the technique scheme, the suspension member at said lifting crossbeam two ends lays respectively at the top of the left and right end cap of die head.
In the technique scheme, said lifting uses cucurbit to be chain block.Can adopt chain block of the prior art, its principle of work is: pull chain and drive the driver pinion rotation, miniature gears drives big gear wheel and rotates, and with the moment output of having amplified, thereby slings weight.In the inboard that pulls chain a ratchet and pawl arrangement is arranged, sprocket wheel can only a direction be rotated.
Because the utilization of technique scheme, the present invention compared with prior art has advantage:
1, the lifting crossbeam is set among the present invention on frame, cooperates with cucurbit with lifting, realize lifting, so just can save using and being equipped with of driving, reduce the use cost of EVA rubber moulding manufacturer die head through the suspension member on the lifting crossbeam, and simple to operate.
2, lifting is taken off under unused state with cucurbit, is hung on during use and hangs on the crossbeam, does not therefore influence the operations of operating personal in EVA rubber moulding production process, and is flexible and convenient to use.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1 is the running condition structural representation in the embodiment of the invention one;
Fig. 2 is the birds-eye view (die head does not draw) of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is to cross-sectional schematic.
Wherein: 1, die head; 2, lifting crossbeam; 3, cucurbit is used in lifting; 4, frame; 5, suspension member; 6, lifting hook; 7, suspension ring; 8, pull chain.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description:
Embodiment one: shown in Fig. 1～3, die head 1 hoisting mechanism on a kind of EVA glued membrane extruder comprises that a lifting crossbeam 2 and 3 liftings are with cucurbit 3; Said lifting crossbeam 2 is arranged on the frame 4; Be positioned at the top of die head 1, and be parallel to said die head 1 layout, the two ends of said lifting crossbeam 2 and centre are respectively equipped with suspension member 5; The suspension member 5 at left and right two ends lays respectively at the left and right end cap top of die head 1, and each said suspension member 5 is provided with hanging hole; Said lifting is provided with the hook that cooperates with hanging hole with cucurbit 3 tops, and lifting cooperates with suspension ring 7 on the said die head 1 with the lifting hook 6 of cucurbit 3.
In the present embodiment, said lifting uses cucurbit 3 to be chain block.As shown in Figure 1, in use, on the suspension member 5 of lifting crossbeam 2 two ends and centre, hang one respectively and pull cucurbit; Lifting hook 6 on the chain block cooperates with suspension ring 7 on the die head 1; Pulling pulls chain 8, drives the driver pinion rotation, and miniature gears drives big gear wheel and rotates; With the moment output of having amplified, thereby sling die head 1.In the inboard that pulls chain 8 ratchet and pawl arrangement is arranged, sprocket wheel can only a direction be rotated, it is unexpected to prevent that counter-rotating from occurring.In the time need lifting to the left and right end cap at die head 1 two ends, also can only use 2 chain blocks, respectively to left and right end cap lifting, use flexible, convenient.
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 (3)
1. the die head hoisting mechanism on the EVA glued membrane extruder; It is characterized in that: comprise that a lifting crossbeam reaches at least 2 liftings and uses cucurbit; Said lifting crossbeam is arranged on the frame, is positioned at the top of die head, and is parallel to said die head layout; The two ends and the centre of said lifting crossbeam are respectively equipped with suspension member, and each said suspension member is provided with hanging hole; Said lifting is provided with the hook that cooperates with hanging hole with the cucurbit top, and lifting cooperates with suspension ring on the said die head with the lifting hook of cucurbit.
2. the die head hoisting mechanism on the EVA glued membrane extruder according to claim 1 is characterized in that: the suspension member at said lifting crossbeam two ends lays respectively at the top of the left and right end cap of die head.
3. the die head hoisting mechanism on the EVA glued membrane extruder according to claim 1 is characterized in that: said lifting uses cucurbit to be chain block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102144234A CN102745613A (en) | 2012-06-27 | 2012-06-27 | Die head hoisting mechanism of ethylene-vinyl acetate (EVA) film extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102144234A CN102745613A (en) | 2012-06-27 | 2012-06-27 | Die head hoisting mechanism of ethylene-vinyl acetate (EVA) film extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102745613A true CN102745613A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102144234A Pending CN102745613A (en) | 2012-06-27 | 2012-06-27 | Die head hoisting mechanism of ethylene-vinyl acetate (EVA) film extruder |
Country Status (1)
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| CN (1) | CN102745613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548901A (en) * | 2020-12-08 | 2021-03-26 | 芜湖同创模具机械有限公司 | Mould fixing device for auto-parts |
-
2012
- 2012-06-27 CN CN2012102144234A patent/CN102745613A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548901A (en) * | 2020-12-08 | 2021-03-26 | 芜湖同创模具机械有限公司 | Mould fixing device for auto-parts |
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| C06 | Publication | ||
| 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 |