CN105538608B - Prevent finished surface from forming the processing structure of flash - Google Patents
Prevent finished surface from forming the processing structure of flash Download PDFInfo
- Publication number
- CN105538608B CN105538608B CN201610053545.8A CN201610053545A CN105538608B CN 105538608 B CN105538608 B CN 105538608B CN 201610053545 A CN201610053545 A CN 201610053545A CN 105538608 B CN105538608 B CN 105538608B
- Authority
- CN
- China
- Prior art keywords
- mold insert
- positioning mold
- injection region
- line face
- finished surface
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
Abstract
A kind of processing structure for preventing finished surface from forming flash, including mould, the die cavity for accommodating injecting products is provided with the mould, the injecting products are included positioned at the tolerance fit end of its one end and the transparent light guide body being located therein, the end face at tolerance fit end is provided with inclined erosion line face, also include the positioning mold insert in die cavity, the side of the positioning mold insert is provided with inclined docking erosion line face injection region, in the injection region of docking erosion line face, the glue position injection region for positioning mold insert connects with the erosion line face of injecting products in glue position injection region.The described processing structure for preventing finished surface formation flash, in addition to the intermediate connector in die cavity, the mould are connected by intermediate connector with positioning the opposite side of mold insert.It is provided with the intermediate connector for glue passage, this is for one end of glue passage and the intracavity inter-connection of positioning mold insert.The present invention has the characteristics of simple and reasonable, product qualification rate is high.
Description
Technical field
The present invention relates to a kind of processing structure for preventing finished surface from forming flash.
Background technology
Existing injecting products 1, as shown in accompanying drawing 1- Fig. 2, injecting products 1 include the public affairs positioned at one end of injecting products 1
Poor abutting end 1.3 and the erosion line face 1.1 of the end face of tolerance fit end 1.3 and the transparent light guide body positioned at the middle part of injecting products 1
1.2, during injection, the tolerance fit end 1.3 of one end of injecting products 1 connects with mold insert 2, and the tolerance of one end of injecting products 1 is matched somebody with somebody
To close end 1.3 have tolerance and corresponding with mold insert 2, in order to the end of tolerance fit end 1.3 of one end of injecting products 1
Erosion line face 1.1 processes and tolerance dimension processing, during processing, can slow wire feeding machine.Due to mold insert 2 and injecting products 1
The tolerance values at the tolerance fit end 1.3 of one end are consistent, so the margin of tolerance of injecting products can be come out by silk thread cutting of being careful,
Line is directly lost on the surface of mold insert 2, so as to solve the problems, such as that glue locating depth loses line difficulty.But the docking of mold insert 2 erosion line face
Erosion line on 2.1 is easy to fillet occur, and then causes the erosion line face of injecting products 1 easily to run batch cutting edge of a knife or a sword.
The content of the invention
The purpose of the present invention aim to provide a kind of simple and reasonable, product qualification rate it is high prevent finished surface from forming hair
The processing structure on side, to overcome weak point of the prior art.
By a kind of processing structure for preventing finished surface from forming flash of this purpose design, including mould, in the mould
The die cavity for accommodating injecting products is provided with, the injecting products include what is be located at the tolerance fit end of its one end and be located therein
Transparent light guide body, the end face at tolerance fit end are provided with inclined erosion line face, and its architectural feature is also to include in die cavity
Mold insert is positioned, the side of the positioning mold insert is provided with inclined docking erosion line face injection region, and glue position injection region is positioned at docking
Lose in the injection region of line face, the glue position injection region for positioning mold insert connects with the erosion line face of injecting products.
Further, the described processing structure for preventing finished surface formation flash, in addition to the centre being located in die cavity connect
Fitting, the mould are connected by intermediate connector with positioning the opposite side of mold insert.
Further, it is provided with the intermediate connector for glue passage, this supplies one end of glue passage with positioning the interior of mold insert
Chamber is connected, and the inner chamber of the positioning mold insert is connected with docking erosion line face injection region and glue position injection region, described to supply glue
The other end of passage is connected with mould.
Further, the described processing structure for preventing finished surface formation flash, in addition to driving positioning mold insert is in die cavity
The drive mechanism of interior movement, one end of the drive mechanism and the bottom connection of positioning mold insert, the bottom or top of die cavity are provided with
Positive stop lug boss, position the bottom of mold insert or top and be provided with chute, positive stop lug boss is slidably arranged in chute；The drive mechanism
It is arranged on mould.
Further, the trapezoidal shape in vertical section of the positioning mold insert, docking erosion line face injection region is positioned at positioning mold insert
On the tapered plane of side.
Further, the vertical section shape in a rectangular trapezoid of the positioning mold insert.
Positioning mold insert in the present invention is located in die cavity, and the side of the positioning mold insert is provided with inclined docking erosion line face note
Region is moulded, glue position injection region positions glue position injection region and the injecting products of mold insert in the injection region of docking erosion line face
Erosion line face connect, by it is additional with gradient and gradient face with the erosion line face of injecting products with parallel positioning mold insert；Then, it is fixed
Position mold insert can directly lose line to the surface of injecting products, and the crest line side of injecting products fillet would not occurs and cause product to go out to criticize
Cutting edge of a knife or a sword；And the tolerance fit end of injecting products can then be come out by silk thread cutting of being careful, therefore, the qualification rate of product has obtained greatly
Improve.
Positioning mold insert in the present invention connects with drive mechanism：One end of drive mechanism and the bottom connection of positioning mold insert,
The bottom or top of die cavity are provided with positive stop lug boss, position the bottom of mold insert or top and are provided with chute, positive stop lug boss is slided and set
Put in chute；The drive mechanism is arranged on mould, is able to ensure that positioning mold insert is determined by drive mechanism and positive stop lug boss
Level is true, so that it is guaranteed that the injection quality of injecting products.
In summary, the present invention has the characteristics of simple and reasonable, product qualification rate is high.
Brief description of the drawings
Fig. 1 is the schematic perspective view of existing injecting products.
Fig. 2 is the schematic rear view of existing injecting products.
Fig. 3 is schematic diagram when existing injecting products combine with mold insert.
Fig. 4 is the schematic perspective view of existing mold insert.
Fig. 5 is schematic diagram when existing injecting products are molded.
Fig. 6 is the schematic diagram of one embodiment of the invention.
Fig. 7 is the schematic perspective view of positioning mold insert.
Schematic diagram when Fig. 8 is present invention injection.
In figure：1 is injecting products, and 1.1 be erosion line face, and 1.2 be transparent light guide body, and 2 be mold insert, and 2.1 be docking erosion line face,
3 be positioning mold insert, and 3.1 are molded region for docking erosion line face, and 3.2 be that glue position is molded region, and 4 be mould, and 5 be intermediate connector, 6
For backing plate.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Referring to Fig. 6-Fig. 8, originally prevent finished surface from forming the processing structure of flash, including mould 4, set in the mould 4
The die cavity for accommodating injecting products 1 is equipped with, the injecting products 1 include positioned at the tolerance fit end 1.3 of its one end and are located therein
The transparent light guide body 1.2 in portion, the end face at tolerance fit end 1.3 are provided with inclined erosion line face 1.1, in addition in die cavity
Mold insert 3 is positioned, the side of the positioning mold insert 3 is provided with inclined docking erosion line face injection region 3.1, glue position injection region 3.2
In the injection region 3.1 of docking erosion line face, the glue position injection region 3.2 and the erosion line face 1.1 of injecting products 1 of positioning mold insert 3
Connect.
In the present embodiment, the described processing structure for preventing finished surface formation flash, in addition in die cavity
Intermediate connector 5, the mould 4 are connected by intermediate connector 5 with positioning the opposite side of mold insert 3.
It is provided with the intermediate connector 5 for glue passage 5.1, this supplies one end of glue passage 5.1 with positioning the interior of mold insert 3
Chamber is connected, and the inner chamber of the positioning mold insert 3 is connected with docking erosion line face injection region 3.1 and glue position injection region 3.2, institute
The other end stated for glue passage 5.1 is connected with mould 4.
The described processing structure for preventing finished surface formation flash, in addition to driving positioning mold insert 3 move in die cavity
Drive mechanism, one end of the drive mechanism and the bottom connection of positioning mold insert 3, the bottom or top of die cavity are provided with limit convex
Platform, the bottom or top for positioning mold insert 3 are provided with chute, and positive stop lug boss is slidably arranged in chute；The drive mechanism is set
On mould 4.
The trapezoidal shape in vertical section of the positioning mold insert 3, docking erosion line face injection region 3.1 are located at the one of positioning mold insert 3
On the tapered plane of side.
The vertical section shape in a rectangular trapezoid of the positioning mold insert 3.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of processing structure for preventing finished surface from forming flash, including mould (4), the mould (4) is interior to be provided with receiving
The die cavity of injecting products (1), the injecting products (1) include positioned at the tolerance fit end (1.3) of its one end and are located therein
Transparent light guide body (1.2), the end face of tolerance fit end (1.3) is provided with inclined erosion line face (1.1), it is characterized in that also including
Positioning mold insert (3) in die cavity, the side of the positioning mold insert (3) are provided with inclined docking erosion line face injection region
(3.1), glue position injection region (3.2) is in docking erosion line face injection region (3.1), the glue position injection area of positioning mold insert (3)
Domain (3.2) connects with the erosion line face (1.1) of injecting products (1).
2. the processing structure according to claim 1 for preventing finished surface from forming flash, it is characterized in that also including being located at type
The intermediate connector (5) of intracavitary, the mould (4) are connected by intermediate connector (5) with the opposite side of positioning mold insert (3).
3. the processing structure according to claim 2 for preventing finished surface from forming flash, it is characterized in that being connected among described
It is provided with part (5) for glue passage (5.1), this is for one end of glue passage (5.1) and the intracavity inter-connection of positioning mold insert (3), institute
The inner chamber for stating positioning mold insert (3) is connected with docking erosion line face injection region (3.1) and glue position injection region (3.2), the confession
The other end of glue passage (5.1) is connected with mould (4).
4. the processing structure according to claim 1 for preventing finished surface from forming flash, it is characterized in that it is fixed also to include driving
The drive mechanism that position mold insert (3) moves in die cavity, one end of the drive mechanism and the bottom connection of positioning mold insert (3), die cavity
Bottom or top be provided with positive stop lug boss, the bottom or top of positioning mold insert (3) are provided with chute, and positive stop lug boss, which slides, to be set
In chute；The drive mechanism is arranged on mould (4).
5. the processing structure according to any one of claims 1 to 4 for preventing finished surface from forming flash, it is characterized in that described fixed
The trapezoidal shape in vertical section of position mold insert (3), docking erosion line face injection region (3.1) is positioned at the tiltedly flat of the side of positioning mold insert (3)
On face.
6. the processing structure according to claim 5 for preventing finished surface from forming flash, it is characterized in that the positioning mold insert
(3) vertical section shape in a rectangular trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053545.8A CN105538608B (en) | 2016-01-25 | 2016-01-25 | Prevent finished surface from forming the processing structure of flash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053545.8A CN105538608B (en) | 2016-01-25 | 2016-01-25 | Prevent finished surface from forming the processing structure of flash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105538608A CN105538608A (en) | 2016-05-04 |
| CN105538608B true CN105538608B (en) | 2017-12-22 |
Family
ID=55818384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053545.8A Active CN105538608B (en) | 2016-01-25 | 2016-01-25 | Prevent finished surface from forming the processing structure of flash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105538608B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2686714B2 (en) * | 1994-04-11 | 1997-12-08 | 本田技研工業株式会社 | Mold structure of casting equipment |
| TW200410807A (en) * | 2002-12-25 | 2004-07-01 | Hon Hai Prec Ind Co Ltd | A method and mold manufacturing a light guide plate |
| CN100363812C (en) * | 2003-09-11 | 2008-01-23 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and linear light source thereof |
| CN201979662U (en) * | 2010-12-31 | 2011-09-21 | 重庆市银盛模具有限公司 | Plastic injection mould |
| CN204658758U (en) * | 2015-02-06 | 2015-09-23 | 上海小糸车灯有限公司 | Light-strip mould decorative pattern tooth insert structure |
| CN205343608U (en) * | 2016-01-25 | 2016-06-29 | 中山市利群精密实业有限公司 | Processing agency of transparent light conductor |
-
2016
- 2016-01-25 CN CN201610053545.8A patent/CN105538608B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105538608A (en) | 2016-05-04 |
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