CN109664489A - Jig structure - Google Patents
Jig structure Download PDFInfo
- Publication number
- CN109664489A CN109664489A CN201811589100.7A CN201811589100A CN109664489A CN 109664489 A CN109664489 A CN 109664489A CN 201811589100 A CN201811589100 A CN 201811589100A CN 109664489 A CN109664489 A CN 109664489A
- Authority
- CN
- China
- Prior art keywords
- side wall
- jig structure
- arc
- film
- radius
- 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.)
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
A kind of jig structure.This jig structure includes main body and gasket.Main body includes bottom plate and the first side wall.First side wall is enclosed set on the edge of bottom plate and there are four the first chamfered corners for tool between bottom plate.There are four arc chord angles for first side wall tool.Gasket includes the second side wall and extension.Second side wall is bonded on the top surface of the first side wall, and side is aligned with the medial surface of the first side wall within the second side wall.Second side wall is located at the arc chord angle outside that side and four arc grooves within the second side wall respectively correspond adjacent arc chord angle and are located at correspondence with four the second chamfered corners.Extension is stretched from one top of the second side wall towards the second side wall extension.Arc groove can provide extension space of the film when thermoforming stretches and reduce the dependent variable of film, and can avoid film gauffer or warpage when thermoforming.
Description
Technical field
The invention relates to a kind of jigs, and in particular to one kind for the jig structure of the bent thermoforming in four sides.
Background technique
In order to be bonded film with four bend glasses, thermoforming processing must be carried out to film.But four sides now is bent
The designer trends of glass are small curvature and big bending angle, and under such trend, current thermoforming procedure for processing is in film
Four corners be not easy to form.
The design of the thermoforming jig of film can make according to shape for molding.It is proposed a kind of technology at present,
It ties up at the top of the periphery of the jig of script and gasket is set, the Sidewall Height of Lai Jiagao jig structure entirety uses increase film
The area contacted when thermoforming with the corner of jig structure.However, such design is still unable to satisfy the design of the bent glass in four sides
The demand of trend, for film in thermoforming, in corner, bending is still easy to appear fold everywhere, not easily molded.
Summary of the invention
Therefore, one of present invention purpose is exactly to provide a kind of jig structure, be suitable for will with the bent glass gluing in four sides it
In the thermoforming processing of film.Four corners of the gasket of this jig structure are respectively equipped with arc groove, and arc groove can provide
Extension space of the film when thermoforming stretches, and can avoid film and generate gauffer or warping phenomenon when the bent thermoforming in four sides,
Film can be made more easily molded in thermoforming processing whereby.In addition, can also reduce film thermoforming stretch when bear answer
Variable reduces the fraction defective of thermoforming.
Another object of the present invention is to provide a kind of jig structure, and the side wall inside top of gasket has chamfered corners,
The strain that film strains centrostigma in the bent thermoforming in four sides can be reduced, film is avoided to generate fold.
Above-mentioned purpose according to the present invention proposes a kind of jig structure.This jig structure includes main body and gasket.Main body
Comprising bottom plate and the first side wall, wherein the first side wall is enclosed set on the edge of bottom plate and there are four the first lead angles for tool between bottom plate
Portion, there are four arc chord angles for the first side wall tool.Gasket includes the second side wall and extension.Second side wall be bonded on the first side wall it
On top surface, and side is aligned with the medial surface of the first side wall within the second side wall.Second side wall has four the second lead angle positions
Within the second side wall side and four arc grooves respectively correspond adjacent arc chord angle and be located at correspondence arc chord angle outside
Side.Extension is stretched from one top of the second side wall towards the second side wall extension.
One of according to the present invention embodiment, the material of above-mentioned main body and the material of gasket include bakelite, stainless steel, graphite
Carbon and any combination thereof.
One of according to the present invention embodiment, above-mentioned each arc chord angle have radius, and the diameter of each arc groove is each
About the 1.53 of the radius of arc chord angle are again to about 1.7 times.
Embodiment, the central angle of above-mentioned each arc groove are about 225 degree one of according to the present invention.
One of according to the present invention embodiment, the height of the second above-mentioned side wall be about 0.5 times of the height of the first side wall extremely
About 2 times.
One of according to the present invention embodiment, the radius of each of above-mentioned second chamfered corners are the pact of the height of the second side wall
0.5 times to about 1 times.
One of according to the present invention embodiment, the radius of each of above-mentioned first chamfered corners be less than about 2mm, the first side wall it
Height is about 2mm to about 5mm.
Detailed description of the invention
For above-mentioned and other purposes, feature, advantage and the embodiment of the present invention can be clearer and more comprehensible, institute's accompanying drawings are said
It is bright as follows:
[Fig. 1] system is painted a kind of upper schematic diagram of jig structure according to one of present invention embodiment；
[Fig. 2] system is painted the diagrammatic cross-section of the AA hatching cutting along the jig structure of [Fig. 1]；And
[Fig. 3] system is painted the diagrammatic cross-section of the BB hatching cutting along the jig structure of [Fig. 1].
Appended drawing reference:
100 jig structure, 110 main body
112 bottom plate, 114 first side wall
114a arc chord angle 114s medial surface
116 first chamfered corners of the top surface 114t
120 gasket, 122 second side wall
122a the second chamfered corners 122s medial surface
124 extension, 126 arc groove
DCDiameter H height
HEHeight RARadius
RBRadius RDRadius
θ central angle
Specific embodiment
The jig structure 100 of present embodiment can be used to carry out thermoforming processing to film, such as four curved surface thermoformings add
Work.
For example, the film substrate that can be utilized for thermoforming processing can be to have low-k, high light transmission etc. to fit
For the material of touch-control sensing property of thin film, for example, polyethylene terephthalate (PET), cyclic olefin polymer (COP), with it is poly-
Methyl methacrylate (PMMA) etc..
As shown in Figures 1 and 2, in some embodiments, jig structure 100 mainly may include main body 110 and gasket
120.The interior shape of main body 110 and the kenel of dimensional fits film for molding.Main body 110 mainly may include bottom plate 112 with
First side wall 114, insole board 112 can have rectangular or rectangular plate-like structure.First side wall 114 is erected on the side of bottom plate 112
On edge, and surrounding formula surround bottom plate 112.The material of main body 110 can be any materials for being at least resistant to 150 DEG C of temperature.Citing
For, the material of main body 110 may include bakelite, stainless steel, graphitic carbon and any combination thereof.
Referring once again to Fig. 1 and Fig. 2, it is formed with concave four first, circular arc between the first side wall 114 and bottom plate 112 and leads
Corner 116.In some instances, each first chamfered corners 116 have radius RA, and the radius R of the first chamfered corners 116AIt is smaller than
About 2mm.First side wall 114 has medial surface 114s and top surface 114t, wherein the medial surface 114s of the first side wall 114 is from bottom plate
112 extend to top surface 114t.In addition, the first side wall 114 has height H, and the height H of the first side wall 114 may be, for example, about 2mm
To about 5mm.There are four arc chord angle 114a, this four arc chord angle 114a to be located at the four of the first side wall 114 for first side wall 114 tool
A corner.Each arc chord angle 114a has radius RB。
As shown in Figures 1 and 2, in some instances, gasket 120 may include the second side wall 122 and extension 124.The
Two side walls 122 have medial surface 122s.Second side wall 122 is bonded on the top surface 114t of the first side wall 114, and the second side wall
122 medial surface 122s can be aligned with the medial surface 114s of the first side wall 114, i.e. the medial surface 122s of the second side wall 122 can be with
The medial surface 114s of first side wall 114 is engaged and is formed smooth surface.Therefore, the shape of the second side wall 122 can be with the first side wall
114 shape is roughly the same, such as is all rectangular or rectangle.
As shown in Fig. 2, the second side wall 122 has height HE.In some instances, the height of the second side wall 122 of gasket 120
Spend HEMinimum need to be about the height H of 0.5 times of the first side wall 114, whereby film thermoforming processing when, can avoid film it
Centrostigma is strained to generate on the edge of the bent fitting in four sides；And if if the height of gasket 120 is excessively high, can in film thermoforming
Make gasket 120 generate more strains when processing, and strain it is excessive be unfavorable for being bonded for film and jig structure 100, therefore pad
The height H of second side wall 122 of piece 120EThe height H of the first side wall 114 no more than about 2 times.Therefore second side of gasket 120
The height H of wall 122EFor the first side wall 114 height H about 0.5 again to about 2 times.
In some instances, as shown in Figures 1 and 2, the second side wall 122 can have there are four the second chamfered corners 122a, wherein
These the second chamfered corners 122a are located at the medial surface 122s of the second side wall 122.These the second chamfered corners 122a are convex circular arc.?
In some illustrative examples, each second chamfered corners 122a has radius RD, and the radius R of the second chamfered corners 122aDIt can be second side
The height H of wall 122EAbout 0.5 again to about 1 times.Second chamfered corners 122a can reduce thin film strain collection in the bent thermoforming in four sides
The strain at midpoint can avoid film whereby and generate fold.
In the present embodiment, as shown in Figures 1 and 3, the second side wall 122 tool is there are four arc groove 126, wherein these
The recessed inside in the second side wall 122 of arc groove 126, and it is located at four corners of the second side wall 122.Due to second side
The shape of wall 122 can be roughly the same with the shape of the first side wall 114, therefore be located at four corners of the second side wall 122
These arc grooves 126 respectively correspond four arc chord angle 114a of adjacent first side wall 114, and are located at the arc chord angle of correspondence
The outside of 114a and the arc chord angle 114a for surrounding correspondence.Each arc groove 126 has diameter DC.In some instances, each
The diameter D of arc groove 126CFor the radius R of each arc chord angle 114aBAbout 1.53 times when, arc groove 126 can just be fallen in
The camber line region of arc chord angle 114a；And work as the diameter D of each arc groove 126CLess than the radius R of each arc chord angle 114aBPact
At 1.53 times, arc groove 126 may be too small, so that the film in corner may be without enough in the thermoforming processing of film
Extension deformation space and generate the phenomenon that fold and stress are concentrated again；And work as the diameter D of each arc groove 126C
Greater than the radius R of each arc chord angle 114aBAbout 1.7 times when, arc groove 126 may be excessive, when processing film thermoforming
There is partial straight lines section (such as at arc groove 126) there is no the buffering of gasket 120 in the edge of application of a surface, and makes
The stress concentration point for crossing the straightway dug is generated in the edge of application of a surface.Therefore, in these examples, each arc groove
126 diameter DCIt can be the radius R of each arc chord angle 114aBAbout 1.53 again to about 1.7 times.In some illustrative examples, each
The central angle θ of arc groove 126 can be about 225 degree.
Since four corners of the gasket 120 of jig structure 100 are equipped with arc groove 126, these arc grooves 126 can
Film is provided in film thermoforming processing and stretches the space extended, and can reduce the dependent variable born when film stretches.By
This, can make the smooth machine-shaping of film, effectively promote the yield of film thermoforming.
Referring once again to Fig. 1 and Fig. 3, the extension 124 of gasket 120 is engaged with the second side wall 122, and from the second side wall
122 top extends outside towards the second side wall 122.Similarly, the material of gasket 120 can be at least be resistant to 150 DEG C of temperature any
Material.The material of gasket 120 can be identical or different with the material of main body 110.For example, the material of gasket 120 may include electricity
Wood, stainless steel, graphitic carbon and any combination thereof.
By above-mentioned embodiment it is found that one of present invention advantage is exactly the four of the gasket of the jig structure because of the present invention
A corner is respectively equipped with arc groove, and arc groove can provide extension space of the film when thermoforming stretches, and can avoid thin
Film generates gauffer or warping phenomenon when the bent thermoforming in four sides, can make film more easily molded in thermoforming processing whereby.In addition,
Also the dependent variable that film is born when thermoforming stretches can be reduced, the fraction defective of thermoforming is reduced.
By above-mentioned embodiment it is found that another advantage of the present invention is exactly the gasket because of the jig structure of the present invention
Side wall inside top has chamfered corners, can reduce the strain that film strains centrostigma in the bent thermoforming in four sides, film is avoided to produce
Raw fold.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any in this technical field
Middle tool usually intellectual may make various changes and modifications, therefore this hair without departing from the spirit and scope of the invention
Subject to bright protection scope claim institute defender attached after view.
Claims (7)
1. a kind of jig structure is applicable in carry out a thermoforming processing to a film, which is characterized in that the jig structure includes:
One main body, include a bottom plate and one first side wall, wherein first side wall enclose set on one of bottom plate edge and with the bottom
There are four the first chamfered corners for tool between plate, and there are four arc chord angles for first side wall tool；And
One gasket includes:
One second side wall is bonded on one of first side wall top surface, and one of second side wall medial surface and first side wall
One of medial surface alignment, second side wall have four the second chamfered corners be located at second side wall the medial surface and four
Arc groove respectively corresponds those adjacent arc chord angles and is located on the outside of those arc chord angles of correspondence；And
One extension is stretched from one of second side wall top towards the second side wall extension.
2. such as the jig structure of claim 1, which is characterized in that the material of the material of the main body and the gasket includes bakelite, no
Rust steel, graphitic carbon and any combination thereof.
3. such as the jig structure of claim 1, which is characterized in that each of arc chord angle has Radius, each of circular arc
One of groove diameter is 1.53 times to 1.7 times of the radius of each of arc chord angle.
4. such as the jig structure of claim 1, which is characterized in that one of each of arc groove central angle is 225 degree.
5. such as the jig structure of claim 1, which is characterized in that one of second side wall height is one of first side wall height
0.5 times to 2 times.
6. such as the jig structure of claim 1, which is characterized in that the Radius of each of second chamfered corners is second side wall
One of 0.5 times to 1 times of height.
7. such as the jig structure of claim 1, which is characterized in that the Radius of each of first chamfered corners is to be somebody's turn to do less than 2mm
One of first side wall height is 2mm to 5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589100.7A CN109664489B (en) | 2018-12-25 | 2018-12-25 | Jig structure |
| TW108100453A TWI680857B (en) | 2018-12-25 | 2019-01-04 | Fixture structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589100.7A CN109664489B (en) | 2018-12-25 | 2018-12-25 | Jig structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109664489A true CN109664489A (en) | 2019-04-23 |
| CN109664489B CN109664489B (en) | 2020-12-08 |
Family
ID=66146904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811589100.7A Active CN109664489B (en) | 2018-12-25 | 2018-12-25 | Jig structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109664489B (en) |
| TW (1) | TWI680857B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143030A (en) * | 2019-05-28 | 2019-08-20 | 业成科技（成都）有限公司 | Film adhering jig |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109664489B (en) | 2020-12-08 |
| TWI680857B (en) | 2020-01-01 |
| TW202023794A (en) | 2020-07-01 |
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