CN102773872A - Ethylene-vinyl acetate (EVA) particle shearing device for cross-linking degree detection - Google Patents
Ethylene-vinyl acetate (EVA) particle shearing device for cross-linking degree detection Download PDFInfo
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- CN102773872A CN102773872A CN2012102360021A CN201210236002A CN102773872A CN 102773872 A CN102773872 A CN 102773872A CN 2012102360021 A CN2012102360021 A CN 2012102360021A CN 201210236002 A CN201210236002 A CN 201210236002A CN 102773872 A CN102773872 A CN 102773872A
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Abstract
The invention discloses an ethylene-vinyl acetate (EVA) particle shearing device for cross-linking degree detection. The EVA particle shearing device comprises a shell. The interior of the shell has a cavity structure, and the bottom of the shell is open. A cutting plate is arranged at the bottom of the shell. Cutting grids raised from the cutting plate are arranged on the cutting plate, and formed by cutters. A through hole is formed in the cutting plate in each cutting grid. An ejector structure is arranged in the cavity of the shell. Compared with the conventional device adopting a manual shearing mode, the EVA particle shearing device has the advantages that EVA particles can be uniform, and a screening process is not required, so that the preparation difficulty and workload of the EVA particles are reduced; and the EVA particle shearing device is simple in structure and convenient to use, and can be used as a manual tool as well as an automatic tool, and only a necessary transmission structure and a necessary controller are required to be added.
Description
Technical field
The present invention relates to a kind of instrument that the degree of cross linking detects that is used for, specifically be meant the EVA particle shear in the degree of cross linking detection.
Background technology
The degree of cross linking is claimed cross-linking index again; Be used to characterize the crosslinking degree of macromolecular chain; Usually represent with the number-average molecular weight between crosslink density or two the adjacent crosslinking points or the molal quantity of every cubic centimetre of crosslinking points, can record the degree of cross linking than method with mechanics method or equilibrium swelling; The caoutchouc elasticity that the degree of cross linking is little is better, and the caoutchouc elasticity that the degree of cross linking is big is poor, and the degree of cross linking increases again, and mechanical strength and hardness all will increase, and finally follow the string.Along with the continuous development of photovoltaic new energy field, various corollary equipments are also in constantly innovation and renewal in the industry.And in Crystalline Silicon PV Module is produced the detection components degree of cross linking step that is absolutely necessary; Assembly production is to be based upon on the qualified basis of the assembly degree of cross linking to carry out, so guarantee that in industry the accuracy of degree of cross linking experiment is very important.But even to this day, on degree of cross linking sample sampling link, also there is not its pairing sampling equipment to satisfy requirement of experiment.
At current line in the industry, the method for producing degree of cross linking sample generally is to adopt artificial preparation method: at first, use small size safety glass to make experiment package training sheet; Then, treat that the compacting of experiment training sheet is accomplished after, on training sheet chosen position, use cutter to draw the zone of getting 10mm * 30mm by manual work, use tweezers that EVA is separated with backboard; At last, be the granule of 2mm * 2mm with the EVA that takes off through artificial clip, guarantee that the size of particle meets size expense tool to the EVA particle sizing, choose satisfactory EVA particle.
Above method still exists some shortcomings and difficult point: 1 draws the sample strip of getting on experiment training sheet generally is to use tonger under drawing on glass; Sample strip is the adherend of EVA and backboard, and simultaneously EVA and glass also are coherent, and need EVA and glass be separated is need very big strength at present; General no matter be the combination of which kind of material; The peel strength of glass and EVA all slightly is better than the peel strength of backboard and EVA, and the value of these two kinds of peel strengths is between 150N/10mm-200 N/10mm, and EVA can produce deformation when choosing sample strip; EVA and backboard have a tangible range difference; This time, deformation took place in EVA, and this part the deformation EVA that gets off of choosing is drawn thinly on the basis of original thickness, and deformation EVA can not be used for degree of cross linking experiment; That is: operating personnel's effort in the sampling process uses cutter and tonger dangerous; Sample strip after the sampling can not be utilized fully; The laboratory sample EVA that stands after the mechanical stress effect possibly influence experimental result.After 2 EVA laboratory sample bars took off, when making the EVA particle, the method for artificial preparation was under the situation of personnel's range estimation, to use scissor cut to go out the laboratory sample particle of particle size at 2 ± 0.5mm * 2 ± 0.5mm; But particle size is wayward, if it is big to use measurer to measure the screening workload, and the waste experiment material, cause man power and material's waste.
Summary of the invention
The objective of the invention is to overcome the operating influence that receives the people in the preparation process of EVA particle in the problems referred to above and diversified in specificationsly cause, be difficult to screen, problem that workload is big; EVA particle shear in a kind of degree of cross linking detection is provided; Reduce difficulty and workload that the EVA particle is produced, remove the operation of screening, the EVA particle of preparing same specification.
The object of the invention is realized through following technical proposals:
EVA particle shear during the degree of cross linking detects; Comprise housing, the inside of housing is cavity structure, its bottom opening; At housing bottom cutting plate is installed; Cutting plate is provided with by cutting knife and forms the cutting lattice that protrude from cutting plate, and the cutting plate of each cutting lattice is provided with through hole, in the cavity of housing, is provided with ejecting structure.Housing global shape such as back-off bowl-shape, its internal cavities, sidewall is connected with the top, according to different demands; Housing can change shape, for example circle, ellipse etc., and structure does not limit, and its effect is in the bottom of internal cavities cutting plate to be installed; Cutting plate is provided with a plurality of cutting lattice, and the cutting lattice are enclosed the rectangle of sealing by cutting knife, and the specification of this shape and EVA particle is complementary, and the blade of cutting knife is downward; And cutter hub is connected formation cutting lattice matrix on the cutting plate, is provided with through hole on the cutting plate in each cutting lattice, ejecting structure is installed, in the time of under the EVA plate that separates is positioned at cutting plate in housing; Under cutting plate, place backing plate, the EVA plate of peeling off is placed on the backing plate,, drive the cutting knife cutting EVA plate of cutting plate the housing pressed downward; After the cutting, the EVA particle under cutting out is between cutting knife, and card is placed in the cutting lattice housing is moved up; And housing and cutting plate driven EVA particle collection device top, at this moment, ejecting structure ejects the EVA particle through pressing down in the cutting lattice; Ejecting structure is returned to initial position then, housing is reapposed directly over the EVA plate, simultaneously; The EVA plate of will not sheared by drive mechanism drive EVA plate is placed on clipped position, can accomplish the work of single, gets into next working cell.
Said ejecting structure comprises liftout plate, and liftout plate is provided with the thimble corresponding with through hole, and liftout plate is provided with catch bar, and catch bar passes housing and is connected with pushing mechanism.Further say,, be employed in liftout plate moving up and down is installed in the housing as preferred ejecting structure; Thimble is installed simultaneously, the mode that thimble cooperates with through hole on the cutting plate, the power that moves with respect to housing as liftout plate by pushing mechanism on liftout plate; Pushing mechanism acts on catch bar, and catch bar drives liftout plate, and liftout plate drives thimble; Thimble passes and acts on the EVA particle from through hole, and the EVA particle is ejected in the cutting lattice.
Said housing is provided with pilot hole, and liftout plate is provided with the lead with the pilot hole coupling.Say that further as further improvement of the present invention, housing is provided with pilot hole; Liftout plate is provided with lead, and in the motion process of liftout plate, lead moves in pilot hole; Define its position, avoided the situation of dislocation, make the consistent of thimble and through hole holding position.
The present invention compared with prior art has following advantage and beneficial effect:
EVA particle shear during 1 degree of cross linking of the present invention detects in the time of under the EVA plate that separates is positioned at cutting plate, is placed backing plate under cutting plate, the EVA plate is placed on the backing plate; With the housing pressed downward, drive the cutting knife cutting EVA plate of cutting plate, after the cutting; EVA particle under cutting out is between cutting knife, and card is placed in the cutting lattice housing is moved up, and housing and cutting plate are driven EVA particle collection device top; At this moment, ejecting structure ejects the EVA particle through pressing down in the cutting lattice, and ejecting structure is returned to initial position then; Housing is reapposed directly over the EVA plate, simultaneously, drive the EVA plate that the EVA plate will not shear by drive mechanism and be placed on clipped position; Can accomplish the work of single, get into next working cell, with respect to the conventional artificial cut mode; Can not only make the EVA particle very even, and, reduce difficulty and workload that the EVA particle is produced without screening process;
EVA particle shear during 2 degrees of cross linking of the present invention detect is employed in liftout plate moving up and down is installed in the housing, and thimble is installed on liftout plate simultaneously; The mode that thimble cooperates with through hole on the cutting plate, as the power of liftout plate with respect to the housing motion, pushing mechanism acts on catch bar by pushing mechanism; Catch bar drives liftout plate; Liftout plate drives thimble, and thimble passes and acts on the EVA particle from through hole, and the EVA particle is ejected in the cutting lattice;
EVA particle shear during 3 degrees of cross linking of the present invention detect, simple in structure, easy to use, can be used as hand-operated tools, also can be used as automation tools, only need to add necessary drive mechanism and controller and get final product.
Description of drawings
Fig. 1 is an overall structure generalized section of the present invention;
Fig. 2 is an overall structure upward view of the present invention.
Mark and corresponding parts title in the accompanying drawing:
The 14-housing, 15-cutting plate, 16-cutting knife, 17-through hole, 18-liftout plate, 19-thimble, 20-catch bar, 21-lead.
The specific embodiment
Below in conjunction with embodiment the present invention is done further detailed description, but embodiment of the present invention is not limited thereto.
Embodiment
Shown in Fig. 1 to 2, the EVA particle shear during the degree of cross linking of the present invention detects comprises housing 14, housing 14 global shapes such as back-off bowl-shape; Its internal cavities, sidewall is connected with the top, and according to different demands, housing 14 can change shape; For example circle, ellipse etc., structure does not limit, and its effect is in the bottom of internal cavities cutting plate 15 to be installed; Cutting plate 15 is provided with a plurality of cutting lattice, and the cutting lattice are enclosed the rectangle of sealing by cutting knife 16, and the specification of this shape and EVA particle is complementary; The blade of cutting knife 16 is downward, and cutter hub is connected formation cutting lattice matrix on the cutting plate 15, is provided with through hole 17 on the cutting plate 15 in each cutting lattice; Liftout plate 18 moving up and down is installed in housing 14, thimble 19 is installed on liftout plate 18 simultaneously, thimble 19 cooperates with through hole 17 on the cutting plate 15; As the power of liftout plate 18 with respect to housing 14 motions, pushing mechanism acts on catch bar 20 by pushing mechanism, and catch bar 20 drives liftout plate 18; Liftout plate 18 drives thimble 19, and thimble 19 passes and acts on the EVA particle from through hole, and the EVA particle is ejected in the cutting lattice; Housing 14 is provided with pilot hole, and liftout plate 18 is provided with the lead 21 with the pilot hole coupling, and in the motion process of liftout plate 18, lead 21 moves in pilot hole.
During operate as normal, in the time of under the EVA plate that separates is positioned at cutting plate 15, under cutting plate 15, place backing plate; The EVA plate is placed on the backing plate,, drive the cutting knife 16 cutting EVA plates of cutting plate 15 housing 14 pressed downward; After the cutting, the EVA particle under cutting out is between cutting knife 16, and card is placed in the cutting lattice; Housing 14 is moved up, and housing 14 and cutting plate 15 are driven EVA particle collection device top, at this moment; Pushing mechanism acts on catch bar 20, and catch bar 20 promotes liftout plate 18 downwards, and cutting plate 15 is released thimble from through hole 17; The EVA particle is released in the lattice from cutting, and pushing mechanism drives liftout plate 18 then, thimble is returned to initial position, and housing 14 is reapposed directly over the EVA plate; Simultaneously, the EVA plate of will not sheared by drive mechanism drive EVA plate is placed on clipped position, can accomplish the work of single.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction, to any simple modification, equivalent variations that above embodiment did, all falls within protection scope of the present invention on every foundation technical spirit of the present invention.
Claims (3)
1. the EVA particle shear during the degree of cross linking detects; Comprise housing (14), the inside of housing (14) is cavity structure, its bottom opening; It is characterized in that: cutting plate (15) is installed in housing (14) bottom; Cutting plate (15) is provided with by cutting knife (16) and forms the cutting lattice that protrude from cutting plate (15), and the cutting plate (15) of each cutting lattice is provided with through hole (17), in the cavity of housing (14), is provided with ejecting structure.
2. the EVA particle shear during the degree of cross linking according to claim 1 detects; It is characterized in that: said ejecting structure comprises liftout plate (18); Liftout plate (18) is provided with the thimble (19) corresponding with through hole (17); Liftout plate (18) is provided with catch bar (20), and catch bar (20) passes housing (14) and is connected with pushing mechanism.
3. the EVA particle shear during the degree of cross linking according to claim 2 detects, it is characterized in that: said housing (14) is provided with pilot hole, and liftout plate (18) is provided with the lead (21) with the pilot hole coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236002.1A CN102773872B (en) | 2012-07-10 | 2012-07-10 | Ethylene-vinyl acetate (EVA) particle shearing device for cross-linking degree detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236002.1A CN102773872B (en) | 2012-07-10 | 2012-07-10 | Ethylene-vinyl acetate (EVA) particle shearing device for cross-linking degree detection |
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| Publication Number | Publication Date |
|---|---|
| CN102773872A true CN102773872A (en) | 2012-11-14 |
| CN102773872B CN102773872B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210236002.1A Expired - Fee Related CN102773872B (en) | 2012-07-10 | 2012-07-10 | Ethylene-vinyl acetate (EVA) particle shearing device for cross-linking degree detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870099A (en) * | 2017-11-07 | 2018-04-03 | 普德光伏技术（苏州）有限公司 | A kind of photovoltaic module EVA degree of cross linking sampling methods |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483226A (en) * | 1982-08-18 | 1984-11-20 | Edoardo Costarelli | Machine for shearing films of thermoplastic material |
| JP2002273693A (en) * | 2001-03-19 | 2002-09-25 | Japan Tobacco Inc | Bulb cutting machine |
| CN201471450U (en) * | 2009-07-24 | 2010-05-19 | 林弘昊 | Food cube cutter |
| CN201633056U (en) * | 2010-01-12 | 2010-11-17 | 孔令勇 | Quick vegetable cutter |
| CN202622868U (en) * | 2012-07-10 | 2012-12-26 | 天威新能源控股有限公司 | EVA (ethylene-vinyl acetate) particle shearing device in cross-linking degree detection |
-
2012
- 2012-07-10 CN CN201210236002.1A patent/CN102773872B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483226A (en) * | 1982-08-18 | 1984-11-20 | Edoardo Costarelli | Machine for shearing films of thermoplastic material |
| JP2002273693A (en) * | 2001-03-19 | 2002-09-25 | Japan Tobacco Inc | Bulb cutting machine |
| CN201471450U (en) * | 2009-07-24 | 2010-05-19 | 林弘昊 | Food cube cutter |
| CN201633056U (en) * | 2010-01-12 | 2010-11-17 | 孔令勇 | Quick vegetable cutter |
| CN202622868U (en) * | 2012-07-10 | 2012-12-26 | 天威新能源控股有限公司 | EVA (ethylene-vinyl acetate) particle shearing device in cross-linking degree detection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870099A (en) * | 2017-11-07 | 2018-04-03 | 普德光伏技术（苏州）有限公司 | A kind of photovoltaic module EVA degree of cross linking sampling methods |
| CN107870099B (en) * | 2017-11-07 | 2020-12-18 | 普德光伏技术（苏州）有限公司 | Photovoltaic module EVA (ethylene-vinyl acetate copolymer) crosslinking degree sampling method |
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| CN102773872B (en) | 2014-11-05 |
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