CN106946441B - A kind of optical aspherical surface glass compression molding device - Google Patents
A kind of optical aspherical surface glass compression molding device Download PDFInfo
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- CN106946441B CN106946441B CN201710124489.7A CN201710124489A CN106946441B CN 106946441 B CN106946441 B CN 106946441B CN 201710124489 A CN201710124489 A CN 201710124489A CN 106946441 B CN106946441 B CN 106946441B
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- lower die
- compression molding
- aspherical surface
- accommodation groove
- molding device
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/122—Heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/05—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing in machines with reciprocating moulds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of optical aspherical surface glass compression molding devices, including rack, upper mold component in the rack and lower die assembly are set, drive the first driving assembly of the upper mold component and the lower die assembly folding, two conductive arms and the second driving assembly of the conductive arm folding of driving two, the upper mold component, the lower die assembly and two conductive arms are arranged in rack in right-angled intersection, the accommodation groove for placing glass blank is collectively formed in the end of two conductive arms when closing and closing, it further include the first heating component that the glass blank is heated to electrically conductive temperature and is sent in the accommodation groove, first heating component is projected as " T " font in horizontal plane with two conductive arms.Mold is heated and cools down repeatedly during the present invention can be avoided glass compression molding, leads to the problem that service life is short.
Description
Technical field
The invention belongs to glass compression molding technical fields more particularly to a kind of compression molding of optical aspherical surface glass to set
It is standby.
Background technique
Currently, projector, digital camera, mobile phone etc. everywhere may be used in our life using the equipment of precise glass lens
See.And under being driven with the continuous development of manufacturing technology in recent years and the market demand more light and short to various product, more
Frivolous aspherical mirror receives wider favor for comparing spherical mirror.For the ease of largely processing and reducing cost, very
More glass lens are all process using polymer material.Compared with polymer material eyeglass, glass lens many aspects more
Tool advantage: first, there is glass lens higher refractive index and broader light to penetrate spectral range, suitable for make it is thinner at
The high lens of image quality amount；Second, glass lens hardness is high, and deformation resistance and high temperature do very well, and can adapt to various use environments；
The coefficient of thermal expansion of third, glass is smaller than polymer, has better thermal stability, does not have to as polymer lens in not equality of temperature
Calibrated focal length repeatedly is needed when using under degree.
Traditional glass hot extrusion briquetting technique is both glass blank and mold to be warming up to together scheduled molding temperature
Degree, is then pressed and molded, then both molding glass and mold are cooled down together again, when making other one block of glass again, then
By new glass blank and just cooling mold further plays heating, compression molding and cooling, as a result, in the continuous production of glass
In the process, mold is heated up and is cooled down repeatedly, be easy to make mold to generate heat fatigue, influence the service life of mold, and glass molds
Molded mold cost is again sufficiently expensive.
Summary of the invention
The purpose of the present invention is to provide a kind of optical aspherical surface glass compression molding devices, it is intended to solve glass and be molded into
Mold is heated repeatedly and is cooled down during type, leads to the problem that die life is short.
The invention is realized in this way a kind of optical aspherical surface glass compression molding device, including rack, opposite up and down set
Set upper mold component and lower die assembly, the driving upper mold component and the lower die assembly folding in the rack
The first driving assembly, two conductive arms being relatively arranged in the rack of left and right and the conductive arms folding of driving two
Second driving assembly, the upper mold component, the lower die assembly and two conductive arms are in right-angled intersection in rack
The accommodation groove to place glass blank, the optical aspherical surface is collectively formed in setting, the end of two conductive arms when closing and closing
Glass compression molding device further includes the glass blank is heated to electrically conductive temperature and is sent in the accommodation groove
One heating component, first heating component and two conductive arms are projected as " T " font, the accommodation groove in horizontal plane
Position and the transmission position of first heating component it is corresponding in the vertical direction, the position of the accommodation groove and it is described under
The upper end of die assembly is corresponding in the vertical direction；The glass blank is led in the accommodation groove by two conductive arms
Electricity and by heating up to the scheduled compression molding temperature of self-resistance, two conductive arms of the second driving assembly driving
It opens and is sent into the glass blank after being heated in the lower die assembly by the accommodation groove.
Further, second driving assembly includes that the first driver and one end are mounted on first driver
The first threaded rod, further include the second driver and one end be mounted on the second threaded rod on second driver；It is described
First driver and second driver are separately mounted on the parallel two sidewalls of the rack.
Further, the other end of first threaded rod and second threaded rod is connected separately with the conduction
Arm；The end face of two conductive arms from top to bottom moves closer to and forms the accommodation groove, the end face of two conductive arms
It is obliquely installed.
Further, first heating component includes telescoping tube, and described telescoping tube one end is being located at the accommodation groove just
Top.
Further, first heating component further includes the auxiliary heater being mounted on the frame side wall, described
The other end of telescoping tube is located in the auxiliary heater.
Further, the upper mold component includes being mounted on the upper die holder of the frame top and being arranged in the upper mold
Upper mold on seat.
Further, the upper mold offers the first preheating gate, and second heating is provided in first preheating gate
Component.
Further, first driving assembly is mounted on the bottom of the frame；The lower die assembly includes lower die holder,
Described lower die holder one end connects first driving assembly, and the other end is equipped with lower die.
Further, the lower die offers the second preheating gate, and the third heating is provided in second preheating gate
Component.
It further, further include electric control system, the electric control system is used to control associated mechanisms and completes accordingly
Movement.
The present invention compared with the existing technology have the technical effect that glass blank first be heated to lead in the first heating component
Electro-temperature then passes to the accommodation groove being collectively formed by two conductive arms, is being separately connected electric current just on two conductive arms
Cathode makes glass blank generate heat by self-resistance, so that glass blank be made to be continuously heating to scheduled molding temperature by electric current.
Finally, molding by upper die component and lower mold assemblies, the mold process of glass blank is completed.It is heated in glass blank scheduled
When molding temperature, upper die component and lower mold assemblies do not need equally to be heated to the temperature.Therefore, mold is avoided to be heated repeatedly
And cooling, the problem of causing service life to shorten.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical aspherical surface glass compression molding device provided in an embodiment of the present invention.
Fig. 2 is the front view of the optical aspherical surface glass compression molding device of Fig. 1.
Enlarged drawing at the A of Fig. 3 Fig. 2.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, " multiple " or " several " be meant that two or
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
It please refers to Fig.1 to Fig.3, optical aspherical surface glass compression molding device 100 provided by the embodiment of the present invention, including
Rack 10 is provided with 50, two upper mold component 20, lower die assembly 40, the first driving assembly conductive arms in rack 10 and (leads on a left side
Electric arm 35 and right conductive arm 36), the second driving assembly 30 and the first heating component 60.Upper mold component 20, lower die assembly 40,
Left conductive arm 35 and right conductive arm 36 are arranged in rack 10 in right-angled intersection, the end of left conductive arm 35 and right conductive arm 36 in
Close the accommodation groove 80 for being collectively formed when closing and placing glass blank 70.Optical aspherical surface glass compression molding device 100 further includes electricity
Gas control system (is not drawn) in figure, and electric control system is used to control associated mechanisms and completes corresponding actions.
Glass blank 70 is heated to electrically conductive temperature and is sent in accommodation groove 80 by the first heating component 60.Glass blank
70 be common optical glass, and the material of glass blank 70 is preferably BK7 in the present embodiment, and BK7 glass is greater than 600 DEG C in temperature
When, conductive energy.The heating method of first heating component 60 can be laser heating or infrared radiation heating, this implementation
It is preferably infrared radiation heating in example.
Left conductive arm 35 and right conductive arm 36 (do not draw) turn-on current by conducting wire respectively in figure, glass blank 70 is allowed to lean on certainly
Body resistance, continues heating up in accommodation groove 80, when glass blank 70 is warming up to scheduled molding temperature, opens left conductive arm
35 and right conductive arm 36 sending the glass blank heated 70 into lower die assembly 40.The molding temperature range of BK7 is 700
DEG C to 800 DEG C, the molding temperature in the present embodiment is selected as 750 DEG C.By controlling the size of electric current, glass billet can be accurately controlled
The heating rate of material 70.
Second driving assembly 30 includes that the first driver 31 and one end are mounted on the first screw thread on the first driver 31
Bar 33, further includes the second driver 32 and one end is mounted on the second threaded rod 34 on the second driver 32；First driver
31 and second driver 32 be separately mounted on the parallel two sidewalls of rack 10.First threaded rod 33 and the second threaded rod 34
The other end is connected separately with a conductive arm, and specifically, the first threaded rod 33 is connected with left 35 insulation bearing of conductive arm；Second
Threaded rod 34 is connected with right 36 insulation bearing of conductive arm.
First driver 31 and the second driver 32, can be with by respectively driving the first threaded rod 33 and the second threaded rod 34
So that left conductive arm 35 and right conductive arm 36 is horizontally advanced and is retreated and forms accommodation groove 80 in closure.Adjust the first threaded rod 33
With the second threaded rod 34, the forming position of adjustable accommodation groove 80, the position of accommodation groove 80 is preferably lower die in the present embodiment
Has the surface of component 40.
Left conductive arm 35 and right conductive arm 36 form the both ends of the surface of accommodation groove 80 relative to vertical direction from top to bottom gradually
The close and accommodation groove 80 of Formation cross-section from large to small, in the present embodiment, the end face are arranged in plane.In other embodiments
In, both ends of the surface can be curved surface, and the section of accommodation groove 80 is also in the vertical direction from large to small.The angle of both ends of the surface and horizontal plane
Range be 15 °~60 °, it is preferable that angle is 30 ° in the present embodiment.Both ends of the surface are respectively formed the first conducting surface 351 and
Two conducting surfaces 361.Glass blank 70 passes through 361 heating power of the first conducting surface 351 and the second conducting surface in accommodation groove 80.
First heating component 60 includes auxiliary heater 61 and telescoping tube 62.62 one end of telescoping tube is connected to auxiliary heater
On 61, the other end is when telescoping tube 62 is in elongation state, positioned at the surface of accommodation groove 80.Glass blank 70 is heated to lead
It after electro-temperature, is sent in accommodation groove 80 by telescoping tube 62, then telescoping tube 62 bounces back.Auxiliary heater 61 is mounted on rack
On 10 side wall, telescoping tube 62 and left conductive arm 35 and right conductive arm 36 in the horizontal plane be projected as " T " font.
Upper mold component 20 includes the upper mold for being fixed on the upper die holder 21 at 10 top of rack and being arranged on upper die holder 21
22.The underface of upper mold component 20, including lower die holder 41 is arranged in lower die assembly 40.41 one end of lower die holder is connected to first
On driving assembly 50, the other end is equipped with lower die 42, and the first driving assembly 50 is mounted on the bottom of rack 10.First driving assembly
50 drive lower die assembly 40 to move, and complete mold process.First driving assembly 50 also may be mounted at the top of rack 10, on
Die assembly 20 is connected on the first driving assembly 50, and lower die assembly 40 is mounted on the bottom of rack 10, by the first driving group
Part 50 drives upper mold component 20 to move, and completes mold process.
The first preheating gate 221 and the second preheating gate 421, the first preheating gate 221 are offered in upper mold 22 and lower die 42 respectively
Be provided with the second heat generating component (not drawing in figure) and third heat generating component (not drawing in figure) in the second preheating gate 421, second
Heat generating component and third heat generating component are both preferably heating bar.By heating bar, distinguish upper mold 22 and lower die 42 before molding
With scheduled temperature, heat loss of the glass blank 70 in mold process is avoided, the range of the temperature is in the present embodiment
300 DEG C~500 DEG C.
Lower die assembly 40 is under the driving of the first driving assembly 50, when moving upward to predetermined position, the second driving group
Part 30 makees left conductive arm 35 and right conductive arm 36 away from movement, thus fall into glass blank 70 in the die cavity of lower die 42, the
One driving assembly 50 continues that lower die assembly 40 is driven to move upwards, and until lower die 42 and the molding of upper mold 22, is pressed and molded process
It completes.
The respective independent work of first, second, third heating component and the conductive heater of two conductive arms.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of optical aspherical surface glass compression molding device, which is characterized in that including rack, be oppositely arranged on the machine up and down
First driving of upper mold component and lower die assembly, the driving upper mold component and the lower die assembly folding in frame
Second driving group of two conductive arms and driving two that component, left and right are relatively arranged in the rack conductive arm folding
Part, the upper mold component, the lower die assembly and two conductive arms are arranged in rack in right-angled intersection, and two are led
The accommodation groove to place glass blank, the optical aspherical surface glass compression molding is collectively formed in the end of electric arm when closing and closing
Equipment further includes the first heating component that the glass blank is heated to electrically conductive temperature and is sent in the accommodation groove, institute
State the first heating component and two conductive arms and be projected as " T " font in horizontal plane, the position of the accommodation groove with it is described
The transmission position of first heating component is corresponding in the vertical direction, and the position of the accommodation groove is upper with the lower die assembly
It holds corresponding in the vertical direction；The glass blank is in the accommodation groove by two conductive arms energizations and by itself electricity
Heating up to scheduled compression molding temperature is hindered, second driving assembly drives two conductive arms to open and make to be added
Glass blank after heat is sent into the lower die assembly by the accommodation groove, and first heating component includes telescoping tube, institute
State the surface that telescoping tube one end is located at the accommodation groove, the projection of the telescoping tube and two conductive arms in the horizontal plane
For " T " font.
2. optical aspherical surface glass compression molding device according to claim 1, it is characterised in that: second driving group
Part includes the first driver and one end is mounted on the first threaded rod on first driver, further include the second driver with
And one end is mounted on the second threaded rod on second driver；First driver and second driver are pacified respectively
On the two sidewalls parallel mounted in the rack.
3. optical aspherical surface glass compression molding device according to claim 2, it is characterised in that: first threaded rod
The conductive arm is connected separately with the other end of second threaded rod；The end face of two conductive arms is from top to bottom
It moves closer to and forms the accommodation groove, the end slope setting of two conductive arms.
4. optical aspherical surface glass compression molding device according to claim 1, it is characterised in that: the first heating group
Part further includes the auxiliary heater being mounted on the frame side wall, and the other end of the telescoping tube is located at the auxiliary heater
It is interior.
5. optical aspherical surface glass compression molding device according to claim 1, it is characterised in that: the upper mold component
Including being mounted on the upper die holder of the frame top and the upper mold being arranged on the upper die holder.
6. optical aspherical surface glass compression molding device according to claim 5, it is characterised in that: the upper mold offers
First preheating gate is provided with second heating component in first preheating gate.
7. optical aspherical surface glass compression molding device according to claim 1, it is characterised in that: first driving group
Part is mounted on the bottom of the frame；The lower die assembly includes lower die holder, and the lower die holder one terminates first driving group
Part, the other end are equipped with lower die.
8. optical aspherical surface glass compression molding device according to claim 7, it is characterised in that: the lower die offers
Second preheating gate is provided with the third heating component in second preheating gate.
9. optical aspherical surface glass compression molding device according to claim 1, it is characterised in that: further include electrical control
System, the electric control system are used to control associated mechanisms and complete corresponding actions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124489.7A CN106946441B (en) | 2017-03-03 | 2017-03-03 | A kind of optical aspherical surface glass compression molding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124489.7A CN106946441B (en) | 2017-03-03 | 2017-03-03 | A kind of optical aspherical surface glass compression molding device |
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| Publication Number | Publication Date |
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| CN106946441A CN106946441A (en) | 2017-07-14 |
| CN106946441B true CN106946441B (en) | 2019-08-09 |
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| CN201710124489.7A Active CN106946441B (en) | 2017-03-03 | 2017-03-03 | A kind of optical aspherical surface glass compression molding device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626798A (en) * | 2018-12-28 | 2019-04-16 | 永豪光电（中国）有限公司 | Hand type lens compression molding device |
| CN110204179A (en) * | 2019-06-17 | 2019-09-06 | 中国洛阳浮法玻璃集团有限责任公司 | A kind of special glass molding machine and application method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964056A (en) * | 2011-09-01 | 2013-03-13 | 宸鸿科技(厦门)有限公司 | Continuous workpiece molding equipment and method |
| CN104176911A (en) * | 2014-08-22 | 2014-12-03 | 西南科技大学 | Efficient non-isothermal compression molding device and method of ultra-precision glass lens |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060174656A1 (en) * | 2005-02-08 | 2006-08-10 | Owens-Brockway Glass Container Inc. | Glassware forming machine with bladder-operated cooling wind valve |
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2017
- 2017-03-03 CN CN201710124489.7A patent/CN106946441B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964056A (en) * | 2011-09-01 | 2013-03-13 | 宸鸿科技(厦门)有限公司 | Continuous workpiece molding equipment and method |
| CN104176911A (en) * | 2014-08-22 | 2014-12-03 | 西南科技大学 | Efficient non-isothermal compression molding device and method of ultra-precision glass lens |
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| CN106946441A (en) | 2017-07-14 |
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