CN102313914A - Manufacturing device of linear Fresnel lens - Google Patents

Manufacturing device of linear Fresnel lens Download PDF

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Publication number
CN102313914A
CN102313914A CN201110278694A CN201110278694A CN102313914A CN 102313914 A CN102313914 A CN 102313914A CN 201110278694 A CN201110278694 A CN 201110278694A CN 201110278694 A CN201110278694 A CN 201110278694A CN 102313914 A CN102313914 A CN 102313914A
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CN
China
Prior art keywords
mentioned
conveying roller
annular mould
fresnel lens
roller
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Pending
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CN201110278694A
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Chinese (zh)
Inventor
陈亦可
谢奕明
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Huaqiao University
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Huaqiao University
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Priority to CN201110278694A priority Critical patent/CN102313914A/en
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Abstract

The invention discloses a manufacturing device of a linear Fresnel lens, which comprising a circular forming mould, a first conveying roll and a driving device thereof, a second conveying roll and the driving device thereof; the circular forming mould is wound on the first conveying roll and the second conveying roll; a forming cavity is arranged on the outer side surface of the circular forming mould; a feeding device is arranged above the circular forming mould; a curing device is arranged below the circular forming mould; a conveying device is arranged between the circular forming device and the curing device; a gap capable of clamping a glass sheet is arranged between the conveying device and a lower horizontal section of the circular forming mould; and a contacted part between the first conveying roll and the circular forming mould is a curing section capable of carrying out micro-curing to transparent silicone rubber in the circular forming mould. The manufacturing device of the linear Fresnel lens has the beneficial effects that: the problem that the silicone rubber is cured only after being separated from the forming mould, so that the shape of the formed linear Fresnel lens is inconsistent with that of the forming mould is prevented, and the manufacturing device of the linear Fresnel lens is applicable to continuous production and has high production efficiency.

Description

A kind of manufacturing installation of linear Fresnel lens
Technical field
The present invention relates to a kind of manufacturing installation of optical device, particularly relate to a kind of manufacturing installation of making linear Fresnel lens.
Background technology
Fresnel Lenses is to invent before more than 200 year, and it is at projection screen and rear projection screen, and aspects such as infrared induction surveillance equipment obtain widely applying; Simultaneously; In solar energy power generating, solar light-heat power-generation, fields such as solar thermal utilization also have wide application prospect.Along with science and technology development, the production material of Fresnel Lenses develops into the employing high-molecular organic material by being initially unorganic glass; Inorganic organic polymer compound substance, and the material of multiple combination, and different along with difference of producing material and product requirement; Its job operation is also different, like hot pressing, and heat curing; Photocuring, moulding by casting etc.From cost, performance, aspects such as environmental protection; With the unorganic glass is transparent substrates, and transparent silicon rubber is that the Fresnel Lenses of moulding material is widely used, particularly in the Application of Solar Energy field, particularly manifests; The Fresnel Lenses of this kind material, its structure are generally distinguished circular Fresnel Lenses, diffraction Fresnel Lenses, linear Fresnel lens etc., wherein; Characteristics such as the linear Fresnel condenser has burnt class for linear, and tracking equipment is simple have unique advantage in the Application of Solar Energy field.
Existing is transparent substrates with the unorganic glass; Transparent silicon rubber is that the linear Fresnel lens of moulding material is the optical device that the small prism of a kind of silicon rubber that on glass substrate, is arranged in parallel by majority constitutes; Its structure and manufacturing approach such as Chinese invention patent 200810212649.4 disclose Fresnel Lenses and manufacturing approach and device; Wherein Fresnel Lenses comprises the substrate and a Fresnel structure of a glass material, and this Fresnel structure is shaped on the substrate by the plasticity material; The Fresnel Lenses manufacturing approach comprises: at first, the filling plastic material makes a plastic material and a baseplate-laminating in shaped device; Secondly, solidify plastic material, form Fresnel structure; At last, separate shaped device, one-body moldedly on substrate go out Fresnel structure, and form Fresnel Lenses; The Fresnel Lenses manufacturing installation comprises a shaped device, and this shaped device is connected with a substrate, and this shaped device is provided with a forming part, and the shape of this forming part is corresponding to a Fresnel structure.But the manufacturing installation of the Fresnel Lenses of this structure only is suitable for batch production, and production efficiency is lower.
In order to address the above problem; Chinese invention patent 201110007134.2 discloses a kind of manufacturing approach and device of optically focused Fresnel Lenses; Its manufacturing approach comprises: step 1: a clean ultra-clear glasses substrate is provided, has the preset width overlay at said ultra-clear glasses upper surface of base plate spraying selected material to form one deck; Step 2: adopting an outer surface is that the cylindrical mold pressing roll of optically focused Fresnel Lenses surface configuration is to the mold pressing of rolling of said overlay; Step 3: solidify by the overlay after the rolling mold pressing; Its manufacturing installation comprises horizontal transmission device, sprayer, cylindrical mold pressing roll and solidification equipment; The horizontal transmission device is used for along fixing transmission direction horizontal transmission one a ultra-clear glasses substrate, at horizontal transmission device upside, be disposed with sprayer, cylindrical mold pressing roll and solidification equipment along the transmission direction of horizontal transmission device.The manufacturing installation of the Fresnel Lenses of this structure; Though can make Fresnel Lenses continuously, still, the curing of overlay material is at the laggard row of rolling mold pressing of cylindrical mold pressing roll; And but the overlay material still is in softening even flow state in the solidification equipment process after the rolling mold pressing of cylindrical mold pressing roll; To receive that very easily volume in self gravity, surface tension and the solidification process changes etc. former thus change mold pressing after the shape of overlay material, like this, solidification equipment is that the overlay material to distortion is cured when solidifying; Cause the shape of the Fresnel Lenses after the moulding to be affected, and then influence the spotlight effect of Fresnel Lenses after the moulding.
In view of this, the inventor furthers investigate the manufacturing installation of linear Fresnel lens, and this case produces thus.
Summary of the invention
The purpose of this invention is to provide the high and difficult manufacturing installation that influences the linear Fresnel lens of spotlight effect of a kind of production efficiency.
Technical scheme of the present invention is such: a kind of manufacturing installation of linear Fresnel lens; Comprise annular mould; First conveying roller and drive unit thereof; With second conveying roller and drive unit thereof; Above-mentioned annular mould is set around on above-mentioned first conveying roller and above-mentioned second conveying roller, and above-mentioned annular mould is formed with horizontal segment and following horizontal segment, and the outer surface of above-mentioned annular mould is provided with the forming cavity that the surface configuration with linear Fresnel lens is complementary; The place, top of the last horizontal segment of above-mentioned annular mould is provided with fluid silicone rubber is added to the feeding device in the above-mentioned forming cavity; The place, below of the following horizontal segment of above-mentioned annular mould is provided with the solidification equipment that solidifies the fluid silicone rubber in the above-mentioned forming cavity, is provided with the transport of carrying glass plate between above-mentioned annular mould and the above-mentioned solidification equipment, and has the gap that can clamp glass plate between the following horizontal segment of above-mentioned transport and above-mentioned annular mould; The rotation direction of above-mentioned first conveying roller and above-mentioned second conveying roller all carries the throughput direction of glass plate identical with above-mentioned transport; And above-mentioned first conveying roller is near the input end of above-mentioned transport; Above-mentioned second conveying roller is near the output terminal of above-mentioned transport; And above-mentioned first conveying roller and the contacted position of above-mentioned annular mould are can be with the curing section of the little curing of fluid silicone rubber in the above-mentioned annular mould.
Above-mentioned first conveying roller and the shared same set of drive unit of above-mentioned second conveying roller.
Above-mentioned annular mould is the flexible annular mould.
Above-mentioned first conveying roller is a warm-up mill, and above-mentioned second conveying roller is a chill roll.
Being provided with outside above-mentioned first conveying roller and the contacted position of above-mentioned annular mould can be with the solidification equipment of the little curing of fluid silicone rubber in the above-mentioned annular mould.
Above-mentioned feeding device comprises the silicon rubber material storage barrel of reinforced volume pump, curtain coating device and band feeding mouth; Above-mentioned silicon rubber material storage barrel is provided with discharging opening; The input end of above-mentioned reinforced volume pump is connected with above-mentioned discharging opening; Above-mentioned reinforced metering delivery side of pump is connected with the input end of above-mentioned curtain coating device, and the output of above-mentioned curtain coating device is in the top of the last horizontal segment of above-mentioned annular mould.
Above-mentioned solidification equipment is an infrared heater.
Above-mentioned transport comprises upper roller and drive unit and lower roller and drive unit thereof; Above-mentioned upper roller is located in the above-mentioned annular mould; Above-mentioned lower roller is located at outside the above-mentioned annular mould; And be in the top of above-mentioned solidification equipment; And the following horizontal segment of above-mentioned annular mould and above-mentioned gap are between above-mentioned upper roller and the above-mentioned lower roller; The rotation direction of above-mentioned upper roller and the direction of rotation of above-mentioned lower roller, and the rotation direction of above-mentioned upper roller is identical with the rotation direction of above-mentioned first conveying roller, and the linear velocity of the rotation of above-mentioned upper roller, lower roller, first conveying roller and second conveying roller is all identical.
Above-mentioned upper roller and above-mentioned lower roller are provided with several, and are equipped with above-mentioned solidification equipment between each above-mentioned lower roller.
After adopting technique scheme; The manufacturing installation of a kind of linear Fresnel lens of the present invention; During use, fluid silicone rubber has on the side of forming cavity to annular mould through the feeding device streamer, and the rotation through first conveying roller and second conveying roller can drive that annular mould is done clockwise or rotate during the inverse time; The rotation of annular mould can make fluid silicone rubber and the glass plate on the transport on the annular mould fit; Can with fluid silicone rubber and glass plate be solidified into one through solidification equipment this moment, when silicon rubber when cured and glass plate are delivered to second conveying roller through transport, utilizes the bigger characteristic of adhesion of solidifying back silicon rubber and glass pane surface; Silicon rubber after the curing is peeled off with annular mould mutually, can be obtained linear Fresnel lens like this.The manufacturing installation of a kind of linear Fresnel lens of the present invention; Because annular mould just separated with separating after fluid silicone rubber fits with glass plate and solidifies of silicon rubber; Just solidify after having avoided fluid silicone rubber and mould to be separated and cause the shape of the linear Fresnel lens after the moulding and the inconsistent problem of shape of mould; Guaranteed the spotlight effect of the linear Fresnel lens after the moulding, and applicable to continuity production, production efficiency is high.
Description of drawings
Fig. 1 is structural representation of the present invention (an omission forming cavity);
Fig. 2 is the expansion enlarged drawing of annular mould among the present invention.
Annular mould 1 template 11
Forming cavity 12 left conveying rollers 2
Right conveying roller 3 feeding devices 4
Curtain coating device 41 solidification equipments 5
Transport 6 upper rollers 61
Lower roller 62 glass plates 7
Embodiment
The manufacturing installation of a kind of linear Fresnel lens of the present invention; Like Fig. 1, shown in 2, comprise annular mould 1, left conveying roller 2; Right conveying roller 3, feeding device 4, solidification equipment 5, transport 6 and drive left conveying roller 2 and drive unit that right conveying roller 3 rotates; Wherein:
Annular mould 1 is the flexible annular mould; This flexible annular mould is by metal material; High-molecular organic material and compound substance are processed; This annular mould 1 is processed by a thin plate 11, and the two ends of this thin plate 11 fixedly are stitched together, and can form should annular mould 1, and the upper surface of this thin plate 11 is provided with the forming cavity 12 that is complementary with the surface configuration of linear Fresnel lens; The two ends of this annular mould 1 are set around on left conveying roller 2 and the right conveying roller 3, and are formed with horizontal segment and following horizontal segment between the two ends of annular mould 1.
Feeding device 4 is located at the top of the last horizontal segment of this annular mould 1; This feeding device 4 comprises the silicon rubber material storage barrel (not shown) of reinforced volume pump (not shown), curtain coating device 41 and band feeding mouth; This silicon rubber material storage barrel is provided with discharging opening; The input end of reinforced volume pump is connected with discharging opening; Reinforced metering delivery side of pump is connected with the input end of curtain coating device 41, and the output of curtain coating device 41 is in the top of the last horizontal segment of annular mould 1, and with the forming cavity 12 corresponding settings of annular mould 1.In use; Fluid silicone rubber adds in the silicon rubber material storage barrel through the feeding mouth of silicon rubber material storage barrel; And through reinforced volume pump the fluid silicone rubber in the silicon rubber material storage barrel is drawn to from discharging opening in the curtain coating device 41, by curtain coating device 41 the fluid silicone rubber streamer is had on the side of forming cavity 12 to annular mould 1 at last.
Solidification equipment 5 is located at the below of the following horizontal segment of this annular mould 1; Solidification equipment 5 is an infrared heater, and this transport 6 comprises upper roller 61 and drive unit and lower roller 62 and drive unit thereof, and upper roller 61 is provided with several with lower roller 62; Each upper roller 61 parallel arranged together; Each lower roller 62 parallel arranged together, and each upper roller 61 is located at respectively in the annular mould 1, each lower roller 62 is located at outside the annular mould 1; And be in the top of solidification equipment 5; And be equipped with solidification equipment 5 between each lower roller 62, have the gap that can clamp glass plate 7 between the following horizontal segment of this annular mould 1 and the lower roller 62, the direction of rotation of the rotation direction of this upper roller 61 and lower roller 62; And the rotation direction of this upper roller 61 is identical with the rotation direction of right conveying roller 3, and the linear velocity of the rotation of upper roller 61, lower roller 62, left conveying roller 2 and right conveying roller 3 is all identical.Among the present invention, the structure and the principle of work of the structure of the drive unit of upper roller 61 and the drive unit of lower roller 62 and the motor driver of principle of work and prior art are all identical, and the inventor is this no longer tired stating.
The warm-up mill of this left side conveying roller 2 for having heats; This right side conveying roller 3 is for having the cold action roller of cooling effect; This left side conveying roller 2 is identical with the rotation direction of this right side conveying roller 3, and present embodiment is a positive dirction with the direction that clockwise rotates of left conveying roller 2 and right conveying roller 3.Among the present invention, the principle of work of the left conveying roller 2 and the drive unit of right conveying roller 3 is identical with the principle of work of motor driver of the prior art, and the inventor is this no longer tired stating.
The manufacturing installation of a kind of linear Fresnel lens of the present invention; During use; Earlier glass plate 7 is placed on the input end of transport 6; Fluid silicone rubber earlier requires evenly to mix the back according to prescription and adds in the silicon rubber material storage barrel, and is pumped into curtain coating device 41 by reinforced metering, and the fluid silicone rubber that curtain coating device 41 flows out is evenly wandered in the forming cavity of last horizontal segment of annular mould 1; Can be filled in forming cavity according to fluid silicone rubber rapidly this moment under the effect of gravity, and slightly exceed the outside surface of annular mould 1; Fill up annular mould 1 the clockwise rotating of fluid silicone rubber through left conveying roller 2 and right conveying roller 3; The air of carrying secretly when the operation of annular mould 1 can make fluid silicone rubber wander to forming cavity at this moment is along with the operation of ring mould is progressively overflowed; Make the fluid silicone rubber in the forming cavity reach the purpose that removes bubble; When fluid silicone rubber arrives to right conveying roller 3 along with the operation of annular mould 1; Fluid silicone rubber receives the heating of right conveying roller 3 and solidifies slightly, can prevent that like this self gravitation because of fluid silicone rubber came off the fluid silicone rubber in the forming cavity when annular mould from moving downward outside forming cavity; When the silicon rubber after slightly solidifying arrives the glass plate 7 to transport 6 along with the operation of annular mould 1; Silicon rubber and glass plate 7 in the forming cavity fit; Transport 6 is started working; And the linear velocity of the rotation of the upper and lower conveying roller 61,62 of transport 6 is identical with the linear velocity of the rotation of left and right conveying roller 2,3; Then the glass plate on the transport 67 moves left with the annular mould 1 that is fitted on the glass plate 7 synchronously, and fluid silicone rubber and glass plate 7 in the forming cavity of so annular mould 1 are close together; When the silicon rubber that fits with glass plate 7 arrives to solidification equipment 5 places along with the operation of annular mould 1; Summary cure silicone rubber in the forming cavity in 5 pairs of annular moulds 1 here of solidification equipment is solidified comprehensively, and silicon rubber is solidified while moving; When the silicon rubber after the full solidification arrives to left conveying roller 2 along with the operation of glass plate 7 and annular mould 1; Silicon rubber after curing characteristic of solidifying the adhesion on back silicon rubber and glass plate 7 surfaces capable of using greater than the adhesion of silicon rubber after solidifying and annular mould 1; Separate outside the forming cavity of annular mould 1; This moment, the forming cavity of annular mould 1 carried out next operation after left conveying roller 2 coolings; And separate the outer silicon rubber of forming cavity and be fixedly attached on the surface of glass plate 7, and continue to proceed to the output terminal of transport 6 left through transport 6, the structure according to linear Fresnel lens cuts into some with glass plate at last; Can obtain some like this is substrate with the glass plate, and silicon rubber is the linear Fresnel lens of moulding material.
Among the present invention; In use; Also can use the glass plate of stripping and slicing in advance, and each glass plate is placed on the input end of transport side by side compactly, like this; Glass plate on annular mould and the transport has a spot of silicon rubber and flows in the slit between each glass plate and curing when fitting; Then can cut silicon rubber along the slit between the glass plate in twos at the output of transport can be with each glass plate separately, and after just can to obtain with the glass plate behind the trimming process step be substrate, silicon rubber is the linear Fresnel lens of moulding material.
The foregoing description and graphic and non-limiting product form of the present invention and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from patent category of the present invention to its suitable variation or modification of doing.

Claims (9)

1. the manufacturing installation of a linear Fresnel lens; It is characterized in that: comprise annular mould; First conveying roller and drive unit thereof; With second conveying roller and drive unit thereof; Above-mentioned annular mould is set around on above-mentioned first conveying roller and above-mentioned second conveying roller, and above-mentioned annular mould is formed with horizontal segment and following horizontal segment, and the outer surface of above-mentioned annular mould is provided with the forming cavity that the surface configuration with linear Fresnel lens is complementary; The place, top of the last horizontal segment of above-mentioned annular mould is provided with fluid silicone rubber is added to the feeding device in the above-mentioned forming cavity; The place, below of the following horizontal segment of above-mentioned annular mould is provided with the solidification equipment that solidifies the fluid silicone rubber in the above-mentioned forming cavity, is provided with the transport of carrying glass plate between above-mentioned annular mould and the above-mentioned solidification equipment, and has the gap that can clamp glass plate between the following horizontal segment of above-mentioned transport and above-mentioned annular mould; The rotation direction of above-mentioned first conveying roller and above-mentioned second conveying roller all carries the throughput direction of glass plate identical with above-mentioned transport; And above-mentioned first conveying roller is near the input end of above-mentioned transport; Above-mentioned second conveying roller is near the output terminal of above-mentioned transport; And above-mentioned first conveying roller and the contacted position of above-mentioned annular mould are can be with the curing section of the little curing of fluid silicone rubber in the above-mentioned annular mould.
2. the manufacturing installation of a kind of linear Fresnel lens according to claim 1 is characterized in that: above-mentioned first conveying roller and the shared same set of drive unit of above-mentioned second conveying roller.
3. the manufacturing installation of a kind of linear Fresnel lens according to claim 1, it is characterized in that: above-mentioned annular mould is the flexible annular mould.
4. the manufacturing installation of a kind of linear Fresnel lens according to claim 1, it is characterized in that: above-mentioned first conveying roller is a warm-up mill, above-mentioned second conveying roller is a chill roll.
5. the manufacturing installation of a kind of linear Fresnel lens according to claim 1, it is characterized in that: being provided with outside above-mentioned first conveying roller and the contacted position of above-mentioned annular mould can be with the solidification equipment of the little curing of fluid silicone rubber in the above-mentioned annular mould.
6. the manufacturing installation of a kind of linear Fresnel lens according to claim 1; It is characterized in that: above-mentioned feeding device comprises the silicon rubber material storage barrel of reinforced volume pump, curtain coating device and band feeding mouth; Above-mentioned silicon rubber material storage barrel is provided with discharging opening; The input end of above-mentioned reinforced volume pump is connected with above-mentioned discharging opening, and above-mentioned reinforced metering delivery side of pump is connected with the input end of above-mentioned curtain coating device, and the output of above-mentioned curtain coating device is in the top of the last horizontal segment of above-mentioned annular mould.
7. the manufacturing installation of a kind of linear Fresnel lens according to claim 1, it is characterized in that: above-mentioned solidification equipment is an infrared heater.
8. the manufacturing installation of a kind of linear Fresnel lens according to claim 1; It is characterized in that: above-mentioned transport comprises upper roller and drive unit and lower roller and drive unit thereof; Above-mentioned upper roller is located in the above-mentioned annular mould; Above-mentioned lower roller is located at outside the above-mentioned annular mould; And be in the top of above-mentioned solidification equipment, and the following horizontal segment of above-mentioned annular mould and above-mentioned gap are between above-mentioned upper roller and the above-mentioned lower roller rotation direction of above-mentioned upper roller and the direction of rotation of above-mentioned lower roller; And the rotation direction of above-mentioned upper roller is identical with the rotation direction of above-mentioned first conveying roller, and the linear velocity of the rotation of above-mentioned upper roller, lower roller, first conveying roller and second conveying roller is all identical.
9. the manufacturing installation of a kind of linear Fresnel lens according to claim 8, it is characterized in that: above-mentioned upper roller and above-mentioned lower roller are provided with several, and are equipped with above-mentioned solidification equipment between each above-mentioned lower roller.
CN201110278694A 2011-09-15 2011-09-15 Manufacturing device of linear Fresnel lens Pending CN102313914A (en)

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Application Number Priority Date Filing Date Title
CN201110278694A CN102313914A (en) 2011-09-15 2011-09-15 Manufacturing device of linear Fresnel lens

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Application Number Priority Date Filing Date Title
CN201110278694A CN102313914A (en) 2011-09-15 2011-09-15 Manufacturing device of linear Fresnel lens

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031101A (en) * 1989-05-29 1991-01-07 Mitsubishi Rayon Co Ltd Production of lens sheet
WO2000050208A2 (en) * 1999-02-25 2000-08-31 Velcro Industries, B.V. Continuous molding of fastener products with a mold belt
CN1832852A (en) * 2003-07-07 2006-09-13 10X技术有限公司 Process and apparatus for fabricating precise microstructures and polymeric molds for making same
JP2008188903A (en) * 2007-02-06 2008-08-21 Toppan Printing Co Ltd Mold selection support system
KR101030116B1 (en) * 2010-12-02 2011-04-20 주식회사 에이앤피 테크 Light guiding panel and method and apparatus for manufacturing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031101A (en) * 1989-05-29 1991-01-07 Mitsubishi Rayon Co Ltd Production of lens sheet
WO2000050208A2 (en) * 1999-02-25 2000-08-31 Velcro Industries, B.V. Continuous molding of fastener products with a mold belt
CN1832852A (en) * 2003-07-07 2006-09-13 10X技术有限公司 Process and apparatus for fabricating precise microstructures and polymeric molds for making same
JP2008188903A (en) * 2007-02-06 2008-08-21 Toppan Printing Co Ltd Mold selection support system
KR101030116B1 (en) * 2010-12-02 2011-04-20 주식회사 에이앤피 테크 Light guiding panel and method and apparatus for manufacturing the same

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