CN108058330A - A kind of visible mold of micro injection molding - Google Patents
A kind of visible mold of micro injection molding Download PDFInfo
- Publication number
- CN108058330A CN108058330A CN201711264388.6A CN201711264388A CN108058330A CN 108058330 A CN108058330 A CN 108058330A CN 201711264388 A CN201711264388 A CN 201711264388A CN 108058330 A CN108058330 A CN 108058330A
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- China
- Prior art keywords
- speculum
- plate
- fixed
- quartz glass
- support tube
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of visible mold of micro injection molding, belongs to polymer material molding technical field.Visible mold includes cover half part, dynamic model part, pusher section, speculum fixed block, speculum, quartz glass cylinder, plastic, support tube.Wherein, fixed die insert, quartz glass cylinder, moving die insert and push rod composition mold cavity, for injection molding plastic；It is tamped between support tube and template by speculum fixed block, 45 ° of inclined-planes bonding speculum of speculum fixed block lower lobes, extraneous light passes sequentially through optical channel, speculum, the internal cavities of support tube, quartz glass cylinder, the micro-structured form region of plastic is irradiated to, video camera shoots image of the plastic in the injection molding process in this region.The present invention is compact-sized, and quartz glass cylinder lower surface can be contracted to diameter less than 10 millimeters, and quartz glass is avoided to be destroyed when plastic melt injection molding pressure is high, and reduce the weakening to mold cavity insert intensity.
Description
Technical field
The invention belongs to polymer material molding technical fields, are related to a kind of visible mold of micro injection molding.
Background technology
Injection molding is the main forming method of micro-structure plastic products.Highly viscous plastic melt is for mold cavity
Micro-structure, which is susceptible to, replicates incomplete forming defect, therefore injection molding process is seen in real time by visible mold
Survey is the micro flow behavior for studying plastic melt, the effective way for improving Forming Quality.But as sight on mold cavity
The quartz glass of window is examined since intensity is far below the cavity block of steel, so the plastics in visualization injection molding experiment
Melt injection molding pressure can be relatively low compared with the suitable molding technique parameter of micro-structure plastic products.It reduces on mold cavity
Quartz glass watch window, be conducive to make visualization injection molding test in plastic melt injection molding pressure close to micro-structure
The actual molding technique parameter of plastic products.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of visible mold structures of micro injection molding, make high-speed camera
The coaxial-illuminating long range microscope of machine by visualization window to the plastic melt flow behavior at mold cavity micro-structure into
Row observational record.
In order to achieve the above object, the technical scheme is that：
A kind of visible mold of micro injection molding, is fixed including cover half part, dynamic model part, pusher section, speculum
Block, speculum, quartz glass cylinder, plastic, support tube.The cover half part include cover half fixed plate, the first attachment screw,
Locating ring, the second attachment screw, solid plate, fixed die insert, guide sleeve.The dynamic model part includes moving platen, the 3rd connection spiral shell
Nail, dynamic mould fixing plate, cushion block, dynamic model backing plate, guide post, moving die insert.The pusher section include push rod installing plate, push rod,
Ejector pin retaining plate, the 4th attachment screw.
It is connected between the cover half fixed plate and solid plate by the second attachment screw, cover half fixed plate top sets fixed
Position ring, is connected between solid plate and fixed die insert by the first attachment screw.
The moving die insert and moving platen is respectively arranged at the lower part of fixed die insert and solid plate；The lower end of guide post is fixed
In the lower part of moving platen, the upper end of guide sleeve is fixed on the top of solid plate, the top of guide post and the endoporus precision-fit of guide sleeve, uses
Play the role of guiding when being partially separated or closing up in dynamic model part and cover half.
The lower part of the moving platen sets gradually dynamic model backing plate, cushion block and dynamic mould fixing plate, passes through the 3rd between four
Attachment screw connects.The inside of cushion block is cavity structure, and push rod installing plate and ejector pin retaining plate are located in the cavity of cushion block, push rod
Installing plate is fixed on by the 4th attachment screw on ejector pin retaining plate；Push rod is set on push rod installing plate, and push rod is worn successively upwards
The cavity, dynamic model backing plate, moving die insert for crossing cushion block are connected with plastic.
Fixed die insert, quartz glass cylinder, moving die insert and the push rod composition mold cavity, for being molded into shape
Part.Quartz glass cylinder on mold cavity is watch window, and using stepped cylindrical shape, the lower surface of quartz glass cylinder is joined
With forming mold cavity, the upper surface of quartz glass cylinder is pushed down by the support tube containing cavity, between support tube and solid plate
It is tamped by speculum fixed block.The speculum fixed block and the shape of support tube are square, and the length and width of the two corresponds to phase
Together；The internal cavities of support tube are square, are fitted close with the square protruding of the lower part of speculum fixed block；The side of support tube
Cavity is cylindrical, 45 ° of inclined-planes bonding speculum of speculum fixed block lower lobes, and the light of horizontal direction is set on solid plate
Passage, optical channel are communicated with the internal cavities of support tube, and opening is corresponding with the position of speculum.
Extraneous light passes sequentially through optical channel, speculum, support tube internal cavities, quartz glass cylinder 8, is irradiated to plastic
Micro-structured form region, make plastic the injection molding process in this region image by mold exterior video camera observe clap
It takes the photograph.
The invention has the advantages that：The core component of visualization window is compact-sized, forms the quartz of mold cavity
Glass cylinder lower surface can be contracted to diameter less than 10 millimeters, avoid quartz glass high in plastic melt injection molding pressure
When destroy, and reduce weakening to mold cavity insert intensity.
Description of the drawings
Fig. 1 is the structure chart of micro injection molding visible mold.
Fig. 2 is the three-view diagram of visualization window core component assembling.(a) it is right view；(b) it is front view, using cutting
The technique of painting；(c) it is top view.
Fig. 3 is the three-view diagram of speculum fixed block.(a) it is front view；(b) it is left view；(c) it is top view.
Fig. 4 is the three-view diagram of support tube.(a) it is front view；(b) it is left view；(c) it is top view.
Fig. 5 is the three-view diagram of quartz glass cylinder.(a) it is front view；(b) it is left view；(c) it is top view.
In figure：1 cover half fixed plate；2 first attachment screws；3 locating rings；4 speculum fixed blocks；5 speculums；6 second connect
Connect screw；7 solid plates；8 quartz glass cylinders；9 plastics；10 moving platens；11 the 3rd attachment screws；12 push rod installing plates；13 push away
Bar；14 ejector pin retaining plates；15 the 4th attachment screws；16 dynamic mould fixing plates；17 cushion blocks；18 dynamic model backing plates；19 guide posts；20 dynamic models are inlayed
Block；21 support tubes；22 fixed die inserts；23 guide sleeves.
Specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with technical solution and attached drawing.
A kind of visible mold of micro injection molding, visible mold only in cover half fixed plate 1 and solid plate 7 between lead to
It crosses the second attachment screw 6 to connect, 1 top of cover half fixed plate sets locating ring 3, by the between solid plate 7 and fixed die insert 22
One attachment screw 2 connects.Moving die insert 20 and moving platen 10 are respectively arranged at the lower part of fixed die insert 22 and solid plate 7；Guide post
19 pass vertically through the one side of solid plate 7 and moving platen 10, and the lower face of cover half fixed plate 1 is fixed in one end, and the other end passes through dynamic
Template 10 is fixed on 18 upper surface of dynamic model backing plate, and support guide sleeve 23 is sleeved on outside guide post 19, in solid plate 7, highly with determining
The height of template 7 is equal.The lower part of moving platen 10 sets gradually dynamic model backing plate 18, cushion block 17 and dynamic mould fixing plate 16, four it
Between connected by the 3rd attachment screw 11.Push rod 13 is set on push rod installing plate 12, and push rod 13 sequentially passes through cushion block 17 upwards
Cavity, dynamic model backing plate 18, moving die insert 20 are connected with plastic 9.Fixed die insert 22, quartz glass cylinder 8, moving die insert 20 are with pushing away
Bar 13 forms mold cavity, for injection molding plastic 9.Quartz glass watch window on mold cavity uses ladder circle cylindricality
Shape is tamped between support tube 21 and solid plate 7 by speculum fixed block 4；The internal cavities of support tube 21 are square, with speculum
The square protruding of the lower part of fixed block 4 is fitted close；The side cavities of support tube 21 are cylindrical, 4 lower parts of speculum fixed block
45 ° of inclined-planes of protrusion are bonded speculum 5, and the optical channel of horizontal direction, the inside of optical channel and support tube 21 are set on solid plate 7
Cavity communicates, and opening is corresponding with the position of speculum 5.
As shown in Figure 1, fixed die insert 22, quartz glass cylinder 8, moving die insert 20 form mold cavity with push rod 13, use
In injection molding plastic 9；In the upper surface of support tube 21 and the top of internal cavities, location and installation speculum fixed block 4；Support
Push down the top of quartz glass cylinder 8 in the lower surface of cylinder 21；Extraneous light passes through the sides of the internal cavities of support tube 21, reflection
Mirror 5, the lower part of internal cavities of support tube 21 and quartz glass cylinder 8, are irradiated to the regional area of plastic 9, plastic 9 is in this area
The image of the injection molding process in domain observes shooting along above-mentioned light path by the video camera of mold exterior.
As shown in Fig. 2, the shape of speculum fixed block 4 and support tube 21 is square, the length and width of the two is identical；Support tube
21 internal cavities are square, are fitted close with the square protruding of the lower part of speculum fixed block 4；The shape of support tube 21 is being bowed
View field on view contains view field of the top of quartz glass cylinder on top view；The inside of support tube 21
Projection of the cavity on top view is cut in projection of the bottom of quartz glass cylinder on top view outside.
As shown in figure 3, speculum fixed block 4 is used to be bonded the inclined-plane of speculum 5, it is compared with the angle of inclination of vertical guide
45°.It is shot for the Microstructure observation of micron level, according to coaxial-illuminating diameter of lens microscopical over long distances, speculum is solid
The horizontal projected area on the inclined-plane for determining block 4 for being bonded speculum 5 takes 50~100 square millimeters of scope, such as speculum to consolidate
Determine a length of 8 millimeters of the lower lobes of block 4, width is when being 8 millimeters, the horizontal throwing on the inclined-plane of the lower lobes of speculum fixed block 4
Shadow area is 8 millimeters × 8 millimeters=64 square millimeters.
As shown in figure 4, the side cavities of support tube 21 are cylindrical.It is shot for the Microstructure observation of micron level, root
According to coaxial-illuminating diameter of lens microscopical over long distances, the cross-sectional area of the side cavities of support tube 21 takes 50~100 squares of millis
The scope of rice, such as at a diameter of 8 millimeters of the side cavities of support tube 21, the cross-sectional area of the side cavities of support tube 21 is
50.24 square millimeters of 4 ≈ of π × 8 millimeter × 8 millimeter ÷.
As shown in figure 5, the area of the lower surface of quartz glass cylinder 8 takes 50~100 square millimeters of scope, such as quartz
At a diameter of 8 millimeters of the lower surface of glass cylinder 8, the area of the lower surface of quartz glass cylinder 8 is π × 8 millimeter × 8 millimeter
50.24 square millimeters of 4 ≈ of ÷.
Claims (1)
1. a kind of visible mold of micro injection molding, which is characterized in that the visible mold includes cover half part, dynamic model
Partly, pusher section, speculum fixed block (4), speculum (5), quartz glass cylinder (8), plastic (9), support tube (21)；Institute
The cover half part stated includes cover half fixed plate (1), the first attachment screw (2), locating ring (3), the second attachment screw (6), cover half
Plate (7), fixed die insert (22), guide sleeve (23)；The dynamic model part includes moving platen (10), the 3rd attachment screw (11), moves
Mould fixed plate (16), cushion block (17), dynamic model backing plate (18), guide post (19), moving die insert (20)；The pusher section includes pushing away
Bar installing plate (12), push rod (13), ejector pin retaining plate (14), the 4th attachment screw (15)；
It is connected between the cover half fixed plate (1) and solid plate (7) by the second attachment screw (6), in cover half fixed plate (1)
Portion sets locating ring (3), is connected between solid plate (7) and fixed die insert (22) by the first attachment screw (2)；
The moving die insert (20) and moving platen (10) is respectively arranged at the lower part of fixed die insert (22) and solid plate (7)；It leads
The lower end of column (19) is fixed on the lower part of moving platen (10), and the upper end of guide sleeve (23) is fixed on the top of solid plate (7), guide post
(19) top and the endoporus precision-fit of guide sleeve (23), lead for being played when dynamic model part is partially separated or closes up with cover half
To effect；
The lower part of the moving platen (10) sets gradually dynamic model backing plate (18), cushion block (17) and dynamic mould fixing plate (16), and four
Between pass through the 3rd attachment screw (11) connect；The inside of cushion block (17) is cavity structure, and push rod installing plate (12) and push rod are consolidated
Fixed board (14) is located in the cavity of cushion block (17), and push rod installing plate (12) is fixed on push rod by the 4th attachment screw (15) and fixes
On plate (14)；Push rod (13) is set on push rod installing plate (12), and push rod (13) sequentially passes through the cavity of cushion block (17), dynamic model upwards
Backing plate (18), moving die insert (20) are connected with plastic (9)；
Fixed die insert (22), quartz glass cylinder (8), moving die insert (20) and push rod (13) the composition mold cavity, is used
In injection molding plastic (9)；Quartz glass watch window on mold cavity is using stepped cylindrical shape, quartz glass cylinder
(8) lower surface participates in composition mold cavity, and the upper surface of quartz glass cylinder (8) is pressed by the support tube (21) containing cavity
Firmly, tamped between support tube (21) and solid plate (7) by speculum fixed block (4)；The internal cavities of support tube (21) be it is square,
It is fitted close with the square protruding of the lower part of speculum fixed block (4)；The side cavities of support tube (21) are cylindrical, speculums
45 ° of inclined-planes of fixed block (4) lower lobes are bonded speculum (5), and the optical channel of horizontal direction is set on solid plate (7), and light leads to
Road is communicated with the internal cavities of support tube (21), and opening is corresponding with the position of speculum (5)；
Extraneous light passes sequentially through optical channel, speculum (5), support tube (21) internal cavities, quartz glass cylinder (8), irradiation
To the micro-structured form region of plastic (9), video camera shooting plastic (9) is in the image of the injection molding process in this region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264388.6A CN108058330A (en) | 2017-12-05 | 2017-12-05 | A kind of visible mold of micro injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264388.6A CN108058330A (en) | 2017-12-05 | 2017-12-05 | A kind of visible mold of micro injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108058330A true CN108058330A (en) | 2018-05-22 |
Family
ID=62135295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711264388.6A Pending CN108058330A (en) | 2017-12-05 | 2017-12-05 | A kind of visible mold of micro injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108058330A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800189U (en) * | 2010-08-02 | 2011-04-20 | 深圳市昌红模具科技股份有限公司 | Visual experiment mechanism for injection molding of perforated plate mold |
-
2017
- 2017-12-05 CN CN201711264388.6A patent/CN108058330A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800189U (en) * | 2010-08-02 | 2011-04-20 | 深圳市昌红模具科技股份有限公司 | Visual experiment mechanism for injection molding of perforated plate mold |
Non-Patent Citations (1)
| Title |
|---|
| 陈为: "《PRO/ENGINEER 塑料模具设计实例》", 31 May 2006, 国防工业出版社 * |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180522 |