CN110039708A - A kind of workpiece wraps up in the method for setting glue-line and a kind of preparation method of glass light guide - Google Patents
A kind of workpiece wraps up in the method for setting glue-line and a kind of preparation method of glass light guide Download PDFInfo
- Publication number
- CN110039708A CN110039708A CN201810039944.8A CN201810039944A CN110039708A CN 110039708 A CN110039708 A CN 110039708A CN 201810039944 A CN201810039944 A CN 201810039944A CN 110039708 A CN110039708 A CN 110039708A
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- CN
- China
- Prior art keywords
- glue
- coat
- line
- workpiece
- inner cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14819—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being completely encapsulated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
Abstract
The present invention provides a kind of workpiece and wraps up in the method for setting glue-line, wraps up in the method includes the partially or fully outer surface in workpiece and sets glue-line, which comprises step A, injection molding obtains the coat containing inner cavity in a mold, and the coat can be dissolved in water；The inner cavity of coat and wrap up in the work piece match after setting glue-line；Step B, workpiece positioning is placed in the inner cavity of coat, injects resin glue into the inner cavity of coat, resin solidification is obtained into the glue-line behind the inner cavity of resin glue filling coat；Step C, it after being dissolved coat with water, obtains wrapping up in the workpiece for setting glue-line.The present invention correspondingly provides a kind of preparation method of glass light guide.Glass light guide can quickly be prepared using the solution of the present invention, and be not in that sticking to mould can not pickup, the problems such as overlap and product size are inaccurate.The achievable glass surface multilayer of the present invention is encapsulated, smoothly realizes the mass production of glass light guide product, promotes enterprise competitiveness.
Description
Technical field
The present invention relates to glass product preparation fields, and in particular to a kind of workpiece wraps up in the method for setting glue-line and a kind of glass is led
The preparation method of light part.
Background technique
Glass light guide is used in the component in electronic equipment, such as the hole IR is provided on Mobile phone screen, corresponding interior of mobile phone
Glass light guide is needed to carry out the conduction of the orientation of light.As Fig. 1 and Fig. 2 show a kind of structure of glass light guide, the glass
The length of light guide is 70mm, is cut by laser by encapsulated be prepared after the glass light guide of glass core in length direction use
The mobile phone glass light guide for being 1.8mm to length.Fig. 1 and Fig. 2 is related to the glass light guide being not yet cut by laser, wherein
Fig. 1 is the three-dimensional structure diagram of glass core 01 in glass light guide, and Fig. 2 is the structure of an end face of glass light guide length direction
Schematic diagram.As it can be seen that the glass light guide includes glass core 01, the first glue-line being wrapped on the outside of glass core from Fig. 1 and Fig. 2
02 and it is wrapped in second glue-line 03 in the outside of the first glue-line 02, the glue in first glue-line is partial light permeability or full impregnated light
UV transparent adhesive tape, the glue in second glue-line are lighttight UV black glue.Wherein the first glue-line wants the refractive index of light in product
In the fixed range asked, the second glue-line is opaque.At two ends of Fig. 1 and glass light guide length direction shown in Fig. 2
Glue-line is not provided on face, i.e., the transparent surface 011 of glass core 01 is without glue, and the first glue-line 02 and second is wrapped up in other four faces
Two layers of the glue of glue-line 03.Thus light can be conducted along glass light guide length direction, and glass light guide is enabled to play similar light
Fine optical transport effect.
In the prior art preparation laser cutting small sheet glass light guide when, be all first be prepared wrapped this two
The longer big sheet glass light guide of length of layer glue, then be cut by laser to obtain small sheet glass light guide.It is in the prior art encapsulated
Method are as follows: glass core is put into fixture (material of fixture is typically also glass), is smeared on fixture and forms anti-sticking oil film, then
Encapsulating, UV solidification are carried out in fixture and removes fixture, and encapsulated glass light guide is obtained after being repeated twice.But because of anti-sticking oil film
Reliability it is not high, thus be easy to appear mucous membrane can not pickup the case where.In addition, because of the speed encapsulated to glass core using fixture
It is relatively slow, thus two to three pieces of glass cores generally can all be flat on the same horizontal plane to (its length direction is parallel and neighbouring sets
Set) while carrying out encapsulated, it is easy in this way so that position gluing between every two pieces of glass cores is excessive and finning occurs.Separately
Outside, it is also easy so that glass light guide product size is unstable using the encapsulated method of fixture.Because being easy to appear overlap and size
The problems such as inaccurate, one layer of glue of every packet all would generally be extra in glue-line to remove using being cut by laser after encapsulated using fixture
Amount.And using laser to cut glue can make that technique is more cumbersome and process velocity is slow.
Therefore, this field need one kind be not in sticking to mould can not pickup, the problems such as overlap and product size are inaccurate,
And the preparation method of the fast glass light guide of process velocity.
Summary of the invention
Therefore, the method for setting glue-line is wrapped up in present invention firstly provides a kind of workpiece, the method includes in the part of workpiece or
Whole outer surfaces, which are wrapped up in, sets glue-line, and described method includes following steps:
Step A, injection molding obtains the coat containing inner cavity in a mold, and the coat can be dissolved in water；The inner cavity of coat with
Wrap up in the work piece match after setting glue-line；
Step B, workpiece positioning is placed in the inner cavity of coat, resin glue is injected into the inner cavity of coat, to resin glue
Resin solidification is obtained into the glue-line behind the inner cavity of filling coat；
Step C, it after being dissolved coat with water, obtains wrapping up in the workpiece for setting glue-line.
Specifically, injection molding refers at a certain temperature in step A, the plastics material melted completely by helical screw agitator
Material injects die cavity, after cooling and solidifying, the method that obtains molded product with high pressure.This method is suitable for batch of complex-shaped component
Amount production.Specifically, standing certain time needs to wrap up by between glue infiltration workpiece and coat after resin glue is injected in step B
Gap.
In a kind of specific embodiment, the resin glue is ultraviolet-curing resin glue, the thickness of the preferably described glue-line
For every layer of 0.05~1mm, more preferable glue-line with a thickness of every layer of 0.1~0.3mm, the workpiece is the structure comprising glass core.
In a kind of specific embodiment, the material of the coat includes polyvinyl alcohol resin, and preferably coat is by poly- second
Enol resin is made.
In a kind of specific embodiment, the injecting glue for injecting resin glue is provided on the coat of integrated injection molding
Mouthful, and be provided with for positioning workpiece and from the convex block protruded on coat inner wall into coat inner cavity, the protrusion of the convex block
Height is identical as the thickness wait wrap up in the glue-line set.
In a kind of specific embodiment, the convex block is round bump of the diameter between 0.5~2mm.
In a kind of specific embodiment, the bottom integrated setting of coat have after being inserted into workpiece still there are
The socket of the unilateral gap 0.01~0.02mm wide surplus, the gap for guaranteeing that resin glue will not flow down from the gap, but
Coat bottom can be made to realize smooth flow of the inside and outside circulation of air so as to resin glue in coat inner cavity from there.
In a kind of specific embodiment, the socket bottom of coat, which is provided with supporting element, prevents workpiece from falling from coat
It falls.
In a kind of specific embodiment, the water temperature for dissolving coat is 40~90 DEG C, preferably 50~70 DEG C；It is preferred that
Coat immersion is made it dissolve in water after resin adhesive curing.The water temperature for dissolving coat can be high or low, and water temperature is higher
The solution rate of coat is faster.But water temperature cannot be high to the quality for influencing product or intermediate products.
The present invention also provides a kind of preparation method of glass light guide, the glass light guide includes glass core (01), packet
The first glue-line (02) being rolled on the outside of glass core and the second glue-line (03) being wrapped on the outside of the first glue-line (02), described first
Glue in glue-line is the UV transparent adhesive tape of partial light permeability or full impregnated light, and the glue in second glue-line is lighttight UV black glue, institute
The preparation method for stating glass light guide includes: first to prepare the first glue-line using method as described above, is obtained containing glass core and the
The intermediate products of one glue-line, used in coat be the first coat (1), the inner cavity of the first coat and the intermediate products
Match, when preparing the first glue-line, the workpiece is glass core, and the resin glue of injection is UV transparent adhesive tape；Reuse side as described above
Method prepare the second glue-line (03), obtain the glass light guide, used in coat be the second coat (2), the second coat
Inner cavity is matched with the glass light guide, and when preparing the second glue-line, the workpiece is the intermediate products, the resin glue of injection
For UV black glue；Wherein the second coat can be obtained in any time injection molding before preparing the step B in the second glue-line.
In a kind of specific embodiment, first coat includes first inner chamber (11), the first gum-injecting port (12),
One convex block (13) and the first socket (14), second coat include second inner chamber (21), the second gum-injecting port (22), the second convex block
(23) and the second socket (24), preferably the first gum-injecting port (12) and the second gum-injecting port (22) are funnel-shaped structure.
Beneficial effects of the present invention include at least: can quickly prepare glass light guide using the solution of the present invention, and not
Will appear sticking to mould can not pickup, the problems such as overlap and product size are inaccurate.The achievable glass surface multilayer of the present invention is encapsulated,
Such as the UV glue of totally 0.05~1mm thickness is wrapped up in glass wicking surface, it smoothly realizes the mass production of glass light guide product, promotes enterprise
Industry competitiveness.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of glass core 01 in glass light guide.
Fig. 2 is the structural schematic diagram of an end face of glass light guide length direction.
Fig. 3 is the structural schematic diagram of the first coat thickness direction.
Fig. 4 is the structural schematic diagram of the first coat width direction.
Fig. 5 is the structural schematic diagram of the second coat thickness direction.
Fig. 6 is the structural schematic diagram of the second coat width direction.
Specific embodiment
As shown, the present invention provides a kind of preparation method of glass light guide, the glass light guide includes glass core
(01), the first glue-line (02) being wrapped on the outside of glass core and the second glue-line (03) being wrapped on the outside of the first glue-line (02),
Glue in first glue-line is the UV transparent adhesive tape of partial light permeability or full impregnated light, and the glue in second glue-line is lighttight UV
Black glue, the preparation method of the glass light guide include: first to prepare the first glue-line using method as described above, are obtained containing glass
The intermediate products of core and the first glue-line, used in coat be the first coat (1), the inner cavity of the first coat and the intermediate production
Product matching, when preparing the first glue-line, the workpiece is glass core, and the resin glue of injection is UV transparent adhesive tape；It reuses as described above
Method prepare the second glue-line (03), obtain the glass light guide, used in coat be the second coat (2), outside second
The inner cavity of clothing is matched with the glass light guide, and when preparing the second glue-line, the workpiece is the intermediate products, the tree of injection
Rouge glue is UV black glue；Wherein the second coat can be obtained in any time injection molding before preparing the step B in the second glue-line
It arrives.
Specifically, the glass length in Fig. 1 is 70mm, width 5.8mm, with a thickness of 0.6mm.It is accordingly shown in Fig. 2
The size of the length direction end face of glass light guide be 5.8mm × 0.6mm, the first glue-line of glass light guide with a thickness of
0.1mm, the second glue-line with a thickness of 0.25mm.After being laser-cut into the glass light guide of small pieces, the length of glass light guide
1.8mm is become by 70mm, the sectional dimension of the light transmission passage after laser cutting on glass light guide be still 5.8mm × 0.6mm (only
Containing glass core) or 6.0mm × 0.8mm (containing glass core and the first glue-line).
In the fixture encapsulation methods of the prior art, because two to three pieces of products are encapsulated simultaneously, the glass core in product is
It is easy to appear finning at the one side of 70mm × 0.6mm, thus needs to increase and is cut by laser step of removing photoresist.
After wrapping glue-line according to the method for the invention, at the first convex block 13 and the second convex block 23 of glass light guide without
Glue.Thus when big sheet glass light guide is laser-cut into small sheet glass light guide, a corresponding pieces of glass it will lead herein
Light part discards.In the present invention, the glass can be organic glass, normal silicate glass, sapphire glass etc..
In the present invention, injection molding obtains the first coat and second to water-soluble resin (such as PVA resin) in a mold
When coat, without needing UV photocuring as the first glue-line and the second glue-line.The resin of first coat and the first coat
It is after cooling down spontaneous curing molding.
It is described when obtaining the first glue-line using the first coat and obtaining the second glue-line using the second coat in the present invention
The length direction of coat is placed vertically, and the upper and lower ends of coat, which are all open and (fine crack are at least arranged), enables air smoothly to flow
It is logical.Funnel shaped encapsulating mouth is set at the upper end opening of coat, and the bottom of coat is provided with by glass core or intermediate products
Still there are the socket in the unilateral gap 0.01~0.02mm wide after insertion, the width in the gap can guarantee that glue will not be from the gap
Place flows down, but can make the coat bottom ventilative smooth flow so as to colloid from there, because without vacuum impregnating glue.And it is outer
The socket bottom of clothing, which is provided with bracket, prevents glass core or intermediate products from falling from the first coat or the second coat.Specifically
Ground, the width in the gap is unilateral 0.01mm, thus end face is inserted having a size of the glass core of 5.8mm × 0.6mm in the first coat
In the socket for entering coat bottom, thus the size of socket is accordingly set as 5.82mm × 0.62mm, and the depth of the socket is for example
For 1mm.Thus the top 69mm of final glass core can wrap up in glue and form glass light guide, and bottom 1mm is eventually by being cut by laser
Removal.When forming the first glue-line, the face size of spigot is 5.82mm × 0.62mm, and the inner cavity size of main body of the first coat
Be end face it is 6.0mm × 0.8mm, thus is correspondingly formed a step above socket.
Skilled addressee readily understands that, the coat after integrated injection molding is not soft, but hard
Structure.Thus stablize in the size of the first glue-line and the second glue-line wherein formed and position.
As illustrated in figures 3-6, in encapsulating, the first coat and the second coat are vertically arranged in length direction.And first
The top of coat is set there are six the first convex block, wherein respectively setting on two opposite side being arranged in the width direction of the first coat inner cavity
Two the first convex blocks are set, first convex block is respectively set on two opposite side being arranged on the thickness direction of the first coat inner cavity；
First convex block there are two being set altogether at the middle part of the first coat, wherein two be arranged in the width direction of the first coat inner cavity are right
One the first convex block is respectively set on side.Side identical with the first convex block on the first coat can be used in the second convex block on second coat
Formula setting, also can be set less second convex block of quantity.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific implementation of invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, not
Under the premise of being detached from present inventive concept, several simple deductions and replacement can also be made, all shall be regarded as belonging to guarantor of the invention
Protect range.
Claims (10)
1. a kind of workpiece wraps up in the method for setting glue-line, is wrapped up in the method includes the partially or fully outer surface in workpiece and set glue-line, institute
The method of stating includes the following steps:
Step A, injection molding obtains the coat containing inner cavity in a mold, and the coat can be dissolved in water；The inner cavity of coat is set with wrapping up in
Work piece match after glue-line；
Step B, workpiece positioning is placed in the inner cavity of coat, injects resin glue into the inner cavity of coat, filled to resin glue
Resin solidification is obtained into the glue-line behind the inner cavity of coat；
Step C, it after being dissolved coat with water, obtains wrapping up in the workpiece for setting glue-line.
2. workpiece according to claim 1 wraps up in the method for setting glue-line, which is characterized in that the resin glue is ultra-violet curing tree
Rouge glue, the preferably described glue-line with a thickness of every layer of 0.05~1mm, more preferable glue-line with a thickness of every layer of 0.1~0.3mm, it is described
Workpiece is the structure comprising glass core.
3. workpiece according to claim 1 wraps up in the method for setting glue-line, which is characterized in that the material of the coat includes poly- second
Enol resin, preferably coat are made by polyvinyl alcohol resin.
4. workpiece according to claim 1 wraps up in the method for setting glue-line, which is characterized in that set on the coat of integrated injection molding
It is equipped with the gum-injecting port for injecting resin glue, and is provided with for positioning workpiece and from coat inner wall to coat inner cavity convexity
Convex block out, the protrusion height of the convex block are identical as the thickness wait wrap up in the glue-line set.
5. workpiece according to claim 4 wraps up in the method for setting glue-line, which is characterized in that the convex block be diameter 0.5~
Round bump between 2mm.
6. workpiece described according to claim 1~any one of 5 wraps up in the method for setting glue-line, which is characterized in that in coat
Bottom integrated setting has after being inserted into workpiece that still there are the socket of the unilateral gap 0.01~0.02mm wide surplus, the gaps
For guaranteeing that resin glue will not flow down from the gap, but can make coat bottom realize from there the inside and outside circulation of air so as to
Smooth flow of the resin glue in coat inner cavity.
7. workpiece according to claim 6 wraps up in the method for setting glue-line, which is characterized in that be provided in the socket bottom of coat
Supporting element prevents workpiece from falling from coat.
8. workpiece described according to claim 1~any one of 7 wraps up in the method for setting glue-line, which is characterized in that for dissolving
The water temperature of coat is 40~90 DEG C, preferably 50~70 DEG C；It is preferred that coat immersion is made it dissolve in water after resin adhesive curing.
9. a kind of preparation method of glass light guide, the glass light guide includes glass core (01), is wrapped on the outside of glass core
The first glue-line (02) and the second glue-line (03) for being wrapped on the outside of the first glue-line (02), the glue in first glue-line is portion
Divide the UV transparent adhesive tape of light transmission or full impregnated light, the glue in second glue-line is lighttight UV black glue, the glass light guide
Preparation method includes: first to prepare the first glue-line using the method as described in any one of claim 1~8, is obtained containing glass
The intermediate products of core and the first glue-line, used in coat be the first coat (1), the inner cavity of the first coat and the intermediate production
Product matching, when preparing the first glue-line, the workpiece is glass core, and the resin glue of injection is UV transparent adhesive tape；Right such as is reused to want
Method described in asking any one of 1~8 prepare the second glue-line (03), obtain the glass light guide, used in coat
For the second coat (2), the inner cavity of the second coat is matched with the glass light guide, and when preparing the second glue-line, the workpiece is institute
Intermediate products are stated, the resin glue of injection is UV black glue；Wherein the second coat can be before preparing the step B in the second glue-line
Any time injection molding obtains.
10. preparation method according to claim 9, which is characterized in that first coat includes first inner chamber (11),
One gum-injecting port (12), the first convex block (13) and the first socket (14), second coat include second inner chamber (21), the second injecting glue
Mouth (22), the second convex block (23) and the second socket (24), preferably the first gum-injecting port (12) and the second gum-injecting port (22) are funnel
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039944.8A CN110039708A (en) | 2018-01-16 | 2018-01-16 | A kind of workpiece wraps up in the method for setting glue-line and a kind of preparation method of glass light guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039944.8A CN110039708A (en) | 2018-01-16 | 2018-01-16 | A kind of workpiece wraps up in the method for setting glue-line and a kind of preparation method of glass light guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110039708A true CN110039708A (en) | 2019-07-23 |
Family
ID=67272987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039944.8A Pending CN110039708A (en) | 2018-01-16 | 2018-01-16 | A kind of workpiece wraps up in the method for setting glue-line and a kind of preparation method of glass light guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110039708A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493892A (en) * | 2002-08-09 | 2004-05-05 | 伊斯曼柯达公司 | Optical wave guide and its preparation method |
| CN102190423A (en) * | 2010-03-19 | 2011-09-21 | 亚特控制系统股份有限公司 | Optical base material, and a manufacturing method thereof |
| CN103052496A (en) * | 2010-07-30 | 2013-04-17 | 库柏维景国际控股公司 | Ophthalmic device molds formed from water-soluble vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods |
-
2018
- 2018-01-16 CN CN201810039944.8A patent/CN110039708A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493892A (en) * | 2002-08-09 | 2004-05-05 | 伊斯曼柯达公司 | Optical wave guide and its preparation method |
| CN102190423A (en) * | 2010-03-19 | 2011-09-21 | 亚特控制系统股份有限公司 | Optical base material, and a manufacturing method thereof |
| CN103052496A (en) * | 2010-07-30 | 2013-04-17 | 库柏维景国际控股公司 | Ophthalmic device molds formed from water-soluble vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods |
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