CN105690721A - Lens molding machine - Google Patents
Lens molding machine Download PDFInfo
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- CN105690721A CN105690721A CN201410689807.0A CN201410689807A CN105690721A CN 105690721 A CN105690721 A CN 105690721A CN 201410689807 A CN201410689807 A CN 201410689807A CN 105690721 A CN105690721 A CN 105690721A
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- lens
- material strip
- flat
- lens material
- forming machine
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Abstract
A lens molding machine is used for processing a flat-panel lens material into a lens. The lens molding machine comprises a heating system and two oppositely-disposed forming guide grooves. The heating system is used for heating the flat-panel lens material to gradually softening the flat-panel lens material. The maximum distance between the two oppositely-disposed forming guide grooves is smaller than the width of the strip of the flat-panel lens material, and the oppositely-disposed forming guide grooves extrude the flat-panel lens material to deform the flat-panel lens material to form an arch-shaped lens. The lens molding machine has the advantages of being low in production cost and capable of rapid production and processing of a large number of high-quality lenses compared with traditional injection molding production equipment.
Description
Technical field
The present invention relates to a kind of machinery equipment, particularly a kind of lens forming machine。
Background technology
Along with the optical property of plastic material constantly promotes, plastics have feature easy to process simultaneously, and suitable one-tenth quick, a large amount of produces lens working。Existing technique is generally adopted the mode of injection molding, by plastic processing lens。Existing Shooting Technique is it is generally required to after carrying out high-temperature fusion to plastic material, then sprays into cooling molding in corresponding mould。Owing to Shooting Technique needs heating-up temperature higher, so that relatively multiple-energy-source。Meanwhile, so that processing characteristics is better, it is necessary to mould and die accuracy is higher。Thus the processing cost of Shooting Technique is higher。Further, since equipment restriction so that the arch lens thickness of injection mo(u)lding is inconsistent。Thus, the light transmission of the lens that general Shooting Technique one-tenth produces is inconsistent, and the illumination of beam projecting is inconsistent and causes that lighting effect is not good。
Summary of the invention
In view of this, the present invention provides the lens forming machine of a kind of lens that can produce light uniformity, to solve above-mentioned technical problem。
A kind of lens forming machine, for being processed into lens by one flat-plate lens material strip。Described lens forming machine includes a heating system, two profiled guide slot being oppositely arranged。Described heating system is used for heating described flat-plate lens material strip so that this flat-plate lens material strip softens gradually。Ultimate range between said two profiled guide slot is set smaller than the width of described flat-plate lens material strip and makes to extrude this flat-plate lens material strip this flat-plate lens material strip deform upon and form arch lens。
Compared with prior art, the heating-up temperature of lens forming machine of the present invention is far below the melt temperature of described flat-plate lens material strip, and mould that need not be complicated, it is thus possible to save manufacturing cost。It addition, the arch lens that described lens forming machine is extruded, smooth and thickness uniformity, thus go out optical property uniformity, improve lens quality。Thus, lens molding function economy of the present invention, produce the lens of a large amount of high-quality efficiently。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described, wherein:
Fig. 1 is the structural representation of a kind of lens forming machine provided by the invention。
Fig. 2 is that two profiled guide rails of the lens forming machine shown in Fig. 1 are parallel and when being oppositely arranged, and flat-plate lens material strip is squeezed into the schematic cross-section of symmetrical arch lens gradually。
Fig. 3 is that two profiled guide rails of the lens forming machine shown in Fig. 1 are parallel and stagger when arranging, and flat-plate lens material strip is squeezed into the schematic cross-section of asymmetric arch lens gradually。
Detailed description of the invention
Below based on accompanying drawing, specific embodiments of the invention are further elaborated。It should be appreciated that the protection domain herein explanation of the embodiment of the present invention being not intended to limit the present invention。
Referring to Fig. 1, it is the structural representation of a kind of lens forming machine 100 provided by the invention。This lens forming machine 100 is for being processed into lens by one flat-plate lens material strip。Described lens forming machine 100 includes a heating system 10, two profiled guide slot being oppositely arranged 20, and a cooling and shaping system 30。Described lens forming machine 100 also includes for carrying the connecting gear of described flat-plate lens material strip, haulage gear and power set, feeding mechanism etc., and it is all the technology known by those skilled in the art and is not emphasis of the present invention, just repeats no more at this。
Please continue to refer to Fig. 1, described heating system 10 is used for heating described flat-plate lens material strip so that this flat-plate lens material strip softens gradually。Described heating system 10 can adopt any mode of heating, as long as enabling to the softening of described flat-plate lens material strip and convenient processing。Described heating system 10 can adopt electric heating incubator to heat, to facilitate control heating-up temperature。So that heating is more uniform, described heating system 10 can include two molding incubators 11。This at least two molding incubator 11 is separately positioned on described profiled guide rail 20 both sides。The temperature of described molding incubator 11 is set to the softening temperature of described flat-plate lens material strip。Described heating system 10 also includes the first preheating zone 121 and the second preheating zone 122。The temperature of described second preheating zone 122 is set above the first preheating zone 121 and the softening temperature lower than described flat-plate lens material strip, so that this flat-plate lens material strip softens gradually。It is envisioned that the mode that described first preheating zone 121 and the second preheating zone 122 can also adopt electric heating incubator to heat。In the present embodiment, described first preheating zone 121 and the second preheating zone 122 include two preheating incubators being oppositely arranged respectively, so that described flat-plate lens material strip thermally equivalent。It is envisioned that the order according to processing technique, described first preheating zone 121 and the second preheating zone 122 and described molding incubator 11 set gradually。
Seeing also Fig. 2 and Fig. 3, described profiled guide slot 20 is two and arranges respectively along described flat-plate lens material strip length direction。Ultimate range between said two profiled guide slot 20 makes this flat-plate lens material strip deform upon less than the width of described flat-plate lens material strip to extrude this flat-plate lens material strip and forms arch lens。Described profiled guide slot 20 can adopt the strip cell body that the softening temperature being significantly larger than described flat-plate lens material strip made by copper, ferrum or alloy etc.。As shown in Figure 2, said two profiled guide slot 20 can be parallel to each other and be oppositely arranged, so that described flat-plate lens material strip is squeezed into symmetrical arch lens。Said two profiled guide slot 20 is arranged respectively along the length direction of described flat-plate lens material strip, thus said two profiled guide slot 20 is parallel to each other。Said two profiled guide slot 20 is oppositely arranged and refers to these two profiled guide slot 20 at grade。When said two profiled guide slot 20 is parallel to each other and is oppositely arranged, the extruding force that these two profiled guide slot 20 are applied to described flat-plate lens material strip both sides is equal in magnitude, in opposite direction, so that this flat-plate lens material strip is squeezed, shape becomes symmetrical arch lens。As shown in Figure 3, said two profiled guide slot 20 can also be parallel to each other and stagger setting, so that described flat-plate lens material strip is squeezed into asymmetric arch。Said two profiled guide slot 20 is parallel to each other and setting of staggering refers to these two profiled guide slot 20 not in approximately the same plane。When said two profiled guide slot 20 is parallel and stagger arrange time, these two profiled guide slot 20 are applied to that the extruding force of described flat-plate lens material strip both sides is equal in magnitude, direction not on logical straight line so that this flat-plate lens material strip is squeezed, shape becomes asymmetric arch lens。The extruding of described profiled guide slot 20 makes the arch of the described lens of brake forming have smooth and thickness uniformity feature, is conducive to reaching conforming light-out effect。Described profiled guide slot 20 can be arcuate groove, rectangular channel or vee gutter。In the present embodiment, described profiled guide slot 20 is vee gutter, so that described flat-plate lens material strip is squeezed into regular edges, smooth arch lens in one direction。One base of described profiled guide slot 20 can be further arranged to towards the projection with described lens bending opposite direction to guide described flat-plate lens material strip brake forming。One base of described profiled guide slot 20 be set to protruding gradually can so that the described flat-plate lens material strip direction Bending Deformation protruding towards this base。Ultimate range between said two profiled guide slot 20 is it can also be provided that taper so that the degree that described flat-plate lens material strip is extruded and be gradually increased。It should be noted that all include the two width figure for contrasting in Fig. 2 and Fig. 3, it is gradually reduced for the ultimate range illustrated between said two profiled guide slot 20 and a base of these two profiled guide slot 20 is protruding gradually。It addition, the ultimate range that also show in FIG between said two profiled guide slot 20 is gradually reduced。It is contemplated that, streamlined produce in, described flat-plate lens material strip can be carried by track, conveyer belt, or drawn by haulage gear and by all parts of described lens forming machine 100 with complete correspondence manufacturing procedure。Ultimate range between said two profiled guide slot 20 is gradually reduced, on the one hand avoid described flat-plate lens material strip to be subject to suddenly bigger extruding force and occur relatively large deformation to such an extent as to it may happen that fracture, extend flat-plate lens material strip on the other hand and be subject to the heat time heating time of described molding incubator 31 and make softening more abundant。Thus, the ultimate range between said two profiled guide slot 20 is gradually reduced the molding that so that the degree that described flat-plate lens material strip is extruded is gradually increased, can be conducive to lens, promotes the quality of lens。
Referring to referring again to Fig. 1, institute's cooling and shaping system 30, for being cooled down by described lens with sizing gradually, makes material property sudden change affect optical property to prevent lens from meeting suddenly cold。Described cooling and shaping system 30 includes at least one pre-setting incubator 31 and at least one cooling fan 32。The temperature of described pre-setting incubator 31 is set below the softening temperature of described flat-plate lens material strip, so that lens can cool down gradually with sizing。It is understandable that, when the heating temperature of described flat-plate lens material strip is more than or equal to the softening temperature of this flat-plate lens material strip, the hardness of this flat-plate lens material strip starts to reduce, and when the heating temperature of described flat-plate lens material strip is lower than the softening temperature of this flat-plate lens material strip, the hardness of this flat-plate lens material strip becomes larger and recovers the hardness to solid state。The actual temp of described pre-setting incubator 31 can according to the needs of process time and cool down described lens the impact of this lens performance is arranged。Described pre-setting incubator 31 can also be respectively provided with incubator in described lens both sides and make described lens thermally equivalent, finally makes these lens and described pre-setting incubator 31 reach thermal balance and uniformly reduce temperature。Described cooling fan 32 makes air circulation to accelerate the described lens of cooling to room temperature state。Described cooling fan 32 can adopt the air cooling fan of routine。The model of described cooling fan 32, power selection are all the technology known by those skilled in the art, do not repeat them here。
Need illustrate time, in the present embodiment, 131, second preheating zone 132, molding incubator the 11, first preheating zone of described heating system 10 and the pre-setting incubator 31 of cooling and shaping system 30 all utilize reflow machine to improve acquisition, and adopt computer to carry out temperature control to obtain best heating and thermal insulation effect。Described heating system 10 and described pre-setting incubator 31 are all disposed within a thermal-insulating body (not indicating in figure), to prevent heat loss from saving the energy。It addition, the 131, second preheating zone 132, described first preheating zone, described molding incubator 11 and described pre-setting incubator 31, described cooling fan 32 are arranged in order to meet the needs of processes。
It addition, the selection of described flat-plate lens material strip can need according to processing and select。It is envisioned that described flat-plate lens material strip can be various types of plastics or thermoplastic materials, the thermosets etc. of easily crimp after being heated。Described flat-plate lens material strip is tabular, refers to relative with the arch of described lens。It may occur to persons skilled in the art that, in the present invention the lens growth bar shaped arch of indication, for being located on light source to avoid the parts of direct projection human eye, thus the lens of indication are equal to lampshade in invention。Described flat-plate lens material strip can carry out selecting respective material according to light transmittance and processing complexity, and it is not the technical problem to be solved, just repeats no more at this。
Compared with prior art, the heating-up temperature of lens forming machine 100 of the present invention is far below the melt temperature of described flat-plate lens material strip, and mould that need not be complicated, it is thus possible to save manufacturing cost。It addition, the arch lens that described lens forming machine 100 is extruded, smooth and thickness uniformity, thus go out optical property uniformity, improve lens quality。Thus, lens forming machine 100 of the present invention energy is economical, produce the lens of a large amount of high-quality efficiently。
These are only presently preferred embodiments of the present invention, be not used to limitation protection scope of the present invention, any amendment, equivalent replacement or improvement etc. in spirit of the present invention, be all encompassed in scope of the presently claimed invention。
Claims (10)
1. a lens forming machine, for one flat-plate lens material strip is processed into lens, it is characterized in that: described lens forming machine includes a heating system, two profiled guide slot arranged respectively along described flat-plate lens material strip length direction, described heating system is used for heating described flat-plate lens material strip so that this flat-plate lens material strip softens gradually, and the ultimate range between said two profiled guide slot makes this flat-plate lens material strip deform upon less than the width of described flat-plate lens material strip to extrude this flat-plate lens material strip and forms arch lens。
2. lens forming machine according to claim 1, it is characterised in that: said two profiled guide slot is parallel and is oppositely arranged, so that described flat-plate lens material strip is squeezed into symmetrical arch lens。
3. lens forming machine according to claim 1, it is characterised in that: said two profiled guide slot is parallel and setting of staggering, so that described flat-plate lens material strip is squeezed into asymmetric arch lens。
4. lens forming machine according to claim 1, it is characterised in that: the distance between said two profiled guide slot is gradually reduced so that described flat-plate lens material strip is extruded together gradually。
5. lens forming machine according to claim 1, it is characterised in that: described profiled guide slot is a vee gutter。
6. lens forming machine according to claim 6, it is characterised in that: a base of described profiled guide slot is towards rightabout protruding to guide described flat-plate lens material strip brake forming gradually with what described lens bent。
7. lens forming machine according to claim 1, it is characterised in that: described heating system includes two molding incubators being separately positioned on said two profiled guide slot both sides, and the temperature of described molding incubator is set to the softening temperature of described flat-plate lens material strip。
8. lens forming machine according to claim 1, it is characterized in that: described heating system also includes the first preheating zone and the second preheating zone, the temperature of described second preheating zone is set above the first preheating zone and lower than the softening temperature of described flat-plate lens material strip so that this flat-plate lens material strip is gradually heated up。
9. lens forming machine according to claim 1, it is characterized in that: described lens forming machine also includes a cooling and shaping system, this cooling and shaping system includes at least one pre-setting incubator, and the temperature of this pre-setting incubator is set below the softening temperature of described flat-plate lens material strip so that described lens cool down gradually with sizing。
10. lens forming machine according to claim 9, it is characterised in that: described cooling and shaping system also includes at least one cooling fan, and this cooling fan makes air circulation to accelerate the described lens of cooling to room temperature。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689807.0A CN105690721A (en) | 2014-11-27 | 2014-11-27 | Lens molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689807.0A CN105690721A (en) | 2014-11-27 | 2014-11-27 | Lens molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105690721A true CN105690721A (en) | 2016-06-22 |
Family
ID=56942192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410689807.0A Pending CN105690721A (en) | 2014-11-27 | 2014-11-27 | Lens molding machine |
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| Country | Link |
|---|---|
| CN (1) | CN105690721A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377467A (en) * | 1999-10-04 | 2002-10-30 | 3M创新有限公司 | Improved continuous process for making glittering cube corner sheeting |
| JP4147973B2 (en) * | 2003-02-21 | 2008-09-10 | 凸版印刷株式会社 | Lens sheet molding method |
| US20090277578A1 (en) * | 2008-05-07 | 2009-11-12 | Kuo Sung | 3-Dimensional Curved Substrate Lamination |
| CN202592731U (en) * | 2012-05-21 | 2012-12-12 | 昆山濡鑫光电科技有限公司 | Device for forming display protection screen |
| CN204398315U (en) * | 2014-11-27 | 2015-06-17 | 赛尔富电子有限公司 | A kind of lens forming machine |
-
2014
- 2014-11-27 CN CN201410689807.0A patent/CN105690721A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377467A (en) * | 1999-10-04 | 2002-10-30 | 3M创新有限公司 | Improved continuous process for making glittering cube corner sheeting |
| JP4147973B2 (en) * | 2003-02-21 | 2008-09-10 | 凸版印刷株式会社 | Lens sheet molding method |
| US20090277578A1 (en) * | 2008-05-07 | 2009-11-12 | Kuo Sung | 3-Dimensional Curved Substrate Lamination |
| CN202592731U (en) * | 2012-05-21 | 2012-12-12 | 昆山濡鑫光电科技有限公司 | Device for forming display protection screen |
| CN204398315U (en) * | 2014-11-27 | 2015-06-17 | 赛尔富电子有限公司 | A kind of lens forming machine |
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Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Applicant after: SELF ELECTRONICS CO., LTD. Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Applicant before: SELF ELECTRONICS CO.,LTD. |
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Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |