CN206186243U - Electronic product does not have trace injection mold - Google Patents
Electronic product does not have trace injection mold Download PDFInfo
- Publication number
- CN206186243U CN206186243U CN201621240511.1U CN201621240511U CN206186243U CN 206186243 U CN206186243 U CN 206186243U CN 201621240511 U CN201621240511 U CN 201621240511U CN 206186243 U CN206186243 U CN 206186243U
- Authority
- CN
- China
- Prior art keywords
- die
- electronic product
- lower die
- cutting knife
- drive link
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an electronic product does not have trace injection mold, include: upper die mechanism and the relative lower die mechanism who sets up with upper die mechanism, upper die mechanism includes: cope match -plate pattern, last mould benevolence and feedstock channel, lower die mechanism includes: lower bolster, lower mould benevolence and cutter mechanism, the lower bolster is equipped with the active channel who supplies cutter mechanism to remove, active channel intercommunication lower mould benevolence, the merciful and peaceful injection moulding chamber of going up mould benevolence and matcing and constituting intercommunication feedstock channel and active channel of lower mould, cutter mechanism includes: transfer line and the cutter of connection in transfer line one end, transfer line and cutter are all acceptd in active channel. Above -mentioned electronic product does not have trace injection mold utilizes injection moulding's mould earnestly interior for the holing position of the product after the shaping does not have the butt fusion vestige to produce, realizes that the electronic product does not have the trace and moulds plastics, improves the product yield.
Description
Technical field
The utility model is related to a kind of Electronic products manufacturing field, more particularly to a kind of seamless injection mould of electronic product
Tool.
Background technology
In the processing of electronic product, it is often necessary to do bloom injection moulding.Product 40 as shown in Figure 1, its top surface sets
There is front via 41, sidepiece is provided with side via 42.It is easy in the perforate position of the product 40 of injection moulding under bloom requirement
There is weld mark.Its reason is, when injected plastics material progresses into the forming cavity to mould from charging aperture, typically in order to be molded out
Hole position, can set a projection so that when injected plastics material meets with the projection on mould, be split into two strands of injected plastics materials and along
The both sides of the projection are converged after flowing through in the opposite side of projection, after cooling shaping, on product 40 where the projection of correspondence mould
Position mold perforate.But, the two strands of injected plastics materials converged once again after shunting are easy to after the cooling period to be occurred in meet
Weld mark.Particularly in the case of black material, there is the weld mark on the product of bloom requirement to become apparent, weld mark goes out
Product appearance can be now influenceed, causes product fraction defective to improve.
Utility model content
Based on this, the utility model provides a kind of electronic product no-trace injection-die for improving product yield.
A kind of electronic product no-trace injection-die, including：Upper die mechanism and the lower die mechanism being oppositely arranged with upper die mechanism；
Upper die mechanism includes：Upper die plate, upper die plate towards the upper cores of lower die mechanism one side is connected to, and through upper die plate and connected
The feeding-passage of upper cores；Lower die mechanism includes：Lower template, lower die of the lower template towards upper cores one side is connected to, and
Through lower template and extend to the cutter mechanism in lower die；Lower template is provided with the active tunnel for cutter mechanism movement, activity
Die under channel connection；Lower die matched with upper cores and constitute connect feeding-passage and active tunnel be molded into die cavity；Cut
Cutter mechanism includes：Drive link and the cutting knife for being connected to drive link one end；Drive link and cutting knife are contained in active tunnel.
Feeding-passage is begun through after above-mentioned electronic product no-trace injection-die, upper die mechanism and lower die mechanism matched moulds to enter
Material, the injected plastics material of liquid is injected into the forming cavity that upper cores and lower die are constituted.After charging is finished, pressurize is carried out.
In pressure maintaining period, start cutter mechanism, its drive link promotes cutting knife towards forming cavity feed, will be needed open on the product in pressurize
The position in hole is cut off and is kept to product cooling so that half-formed material and other portions of product positioned at position of opening
Separate.After product cooling is finished, cutting knife withdrawing in the presence of catch bar, upper die mechanism and lower die mechanism are separated, and are taken out
During shaped article, the waste material positioned at product position of opening drops.By above-mentioned design, using fervent in the mould of injection moulding, make
The position of opening of the product after must being molded does not have weld marks to produce, and realizes the seamless injection of electronic product, improves product yield.
Wherein in one embodiment, drive link is provided with back-moving spring with the junction of cutting knife；Lower mould is provided with connection transmission
Fuel feeding road of the bar away from cutting knife one end.Back-moving spring is used to drive drive link to reset, and then drives cutting knife to reset.
Wherein in one embodiment, drive link includes：Vertical sub bar and lateral sub bar, vertical sub bar is from the bottom of lower template
The bottom of the downward die in portion extends；Lateral sub bar extends from the sidepiece of the downward die in outside of lower template；Cutting knife includes：Connection is perpendicular
To the vertical knife and the lateral knife of the lateral sub bar of connection of sub bar.
Wherein in one embodiment, forming cavity is provided with the thin glue position of correspondence cutting knife；The width of thin glue position for 0.4mm~
0.6mm.The setting of thin glue position is easy for cutting knife cutting.
Wherein in one embodiment, the width of thin glue position is 0.5mm.
Wherein in one embodiment, lower die mechanism is additionally provided with knock-pin；Lower die side is provided with the work of connection knock-pin
Motion block.When upper die mechanism and lower die mechanism are molded, knock-pin promotes movable block action, will be molded the product that cooling finishes and push away
Go out, aid in product stripping.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of electronic product；
Fig. 2 is a kind of generalized section of the electronic product no-trace injection-die of embodiment of the utility model；
Fig. 3 is the lower die mechanism schematic top plan view of the electronic product no-trace injection-die shown in Fig. 2；
Fig. 4 is the generalized section of the lower die mechanism shown in Fig. 3；
The implication of each label is in accompanying drawing：
10- electronic product no-trace injection-dies；
20- upper die mechanisms, 21- upper die plates, 22- upper cores, 23- feeding-passages；
30- lower die mechanisms, 31- lower templates, die under 32-, 33- cutter mechanisms, 34- knock-pins, 35- active tunnels, 36-
Movable block, 37- back-moving springs, 38- fuel feeding road, the vertical sub bars of 39-, the lateral sub bars of 310-, the vertical knives of 311-, the lateral knives of 312-；
40- products, 41- fronts via, 42- sides via.
Specific embodiment
It is specific purposes, the function that can further appreciate that feature of the present utility model, technological means and reached, parsing
The advantages and spirit of the present invention, obtain further by below in conjunction with accompanying drawing and specific embodiment to detailed description of the present utility model
Understanding.
Referring to Fig. 2 to Fig. 3, it is the electronic product no-trace injection-die 10 of the embodiment of the utility model one.
The electronic product no-trace injection-die 10, including：Upper die mechanism 20 and the lower mould being oppositely arranged with upper die mechanism 20
Mechanism 30.
The upper die mechanism 20 includes：Upper die plate 21, upper die plate 21 towards the upper cores 22 of the one side of lower die mechanism 30 is connected to,
And through upper die plate 21 and connect the feeding-passage 23 of upper cores 22.Upper cores 22 are the key fortune for mold center position
One of precision component of work.Feeding-passage 23 since the top of upper die plate 21 downward through the upper die plate 21 after with upper cores 22
Connection, it is used to enter for injected plastics material.
The lower die mechanism 30 includes：Lower template 31, be connected to lower template 31 towards the one side of upper cores 22 lower die 32, pass through
Wear template 31 and extend to the cutter mechanism 33 in lower die 32, and knock-pin 34.Lower template 31 is located at lower die mechanism 30
Bottom, it is provided with the active tunnel 35 for the movement of cutter mechanism 33, the lower die 32 of the active tunnel 35 connection.Lower die 32 is
For the two of the precision component of the crucial running at mold center position, it is used cooperatively with upper cores 22.The one of the lower die 32
Side is provided with the movable block 36 of connection knock-pin 34.Lower die 32 is matched and constituted with upper cores 22 and connects feeding-passage 23 and activity
Passage 35 is molded into die cavity.Wherein, cutter mechanism 33 includes：Drive link and the cutting knife for being connected to drive link one end.Drive link
It is contained in active tunnel 35 with cutting knife.Drive link is provided with back-moving spring 37 with the junction of cutting knife.Lower mould is provided with connection and passes
Away from the fuel feeding road 38 of cutting knife one end, fuel feeding road 38 is used to connect the oil cylinder of outside to lever, using outside oil cylinder to oil duct fuel feeding
Oil pressure is produced, forces drive link to act, and then promote cutting knife action.Back-moving spring 37 is used to drive drive link to reset, and then band
Dynamic cutting knife resets.In the present embodiment, drive link includes：Vertical sub bar 39 and lateral sub bar 310, vertical sub bar 39 is from lower template
The bottom of the 31 downward die 32 in bottom extends.Lateral sub bar 310 prolongs from the sidepiece of the downward die 32 in outside of lower template 31
Stretch.Cutting knife includes：The vertical knife 311 for connecting vertical sub bar 39 is lateral with five of the lateral sub bar 310 of connection to 312.Vertical knife
311 are used to be molded the front vias 41 at the top of product 40 shown in Fig. 1, and are laterally used to be molded the sidepiece of product 40 shown in Fig. 1 to 312
Side via 42.Forming cavity is provided with the thin glue position of correspondence cutting knife.The width of thin glue position is 0.4mm~0.6mm, it is preferable that thin
Glue position width be 0.5mm, in other embodiments, it would however also be possible to employ the other values in above range, such as 0.4mm or
0.5mm.It is the perforate position of product that the setting of thin glue position is corresponding, and width is then the thickness for controlling during injection the colloid at this
Degree, is easy to cutting knife to cut.When upper die mechanism 20 and lower die mechanism 30 are molded, knock-pin 34 promotes movable block 36 to act, will be into
The product 40 that type cooling is finished is released, and aids in the demoulding of product 40.
Charging is begun through after above-mentioned electronic product no-trace injection-die 10, upper die mechanism 20 and the matched moulds of lower die mechanism 30 logical
Road 23 is fed, and the injected plastics material of liquid is injected into the forming cavity that upper cores 22 and lower die 32 are constituted.After charging is finished, enter
Row pressurize.In pressure maintaining period, start cutter mechanism 33, its drive link promotes cutting knife towards forming cavity feed, by pressurize
The position of perforate is needed to be cut off and kept to product 40 cooling down on product 40 so that positioned at the half-formed material of position of opening
Material is separately from other sections with product 40.After the cooling of product 40 is finished, cutting knife withdrawing in the presence of catch bar, upper die mechanism
20 and lower die mechanism 30 separate, take out shaped article 40 when, the waste material positioned at the position of opening of product 40 drops.Set by above-mentioned
Meter, using fervent in the mould of injection moulding so that the position of opening of the product 40 after shaping does not have weld marks to produce, realizes electricity
The seamless injection of sub- product 40, improves product yield.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. a kind of electronic product no-trace injection-die, it is characterised in that including：Upper die mechanism and relative with the upper die mechanism set
The lower die mechanism put；The upper die mechanism includes：Upper die plate, it is connected to the upper die plate towards the upper of the lower die mechanism one side
Die, and through the upper die plate and connect the feeding-passage of the upper cores；The lower die mechanism includes：Lower template, company
The lower template towards the lower die of the upper cores one side is connected on, and through the lower template and extends to the lower die
In cutter mechanism；The lower template is provided with the active tunnel for cutter mechanism movement, and the active tunnel connection is described
Lower die；The lower die is matched and constituted with the upper cores and connects being molded into for the feeding-passage and the active tunnel
Die cavity；The cutter mechanism includes：Drive link and the cutting knife for being connected to described drive link one end；The drive link and the cutting knife
It is contained in the active tunnel.
2. electronic product no-trace injection-die according to claim 1, it is characterised in that the drive link and the cutting knife
Junction be provided with back-moving spring；The lower mould is provided with fuel feeding road of the connection drive link away from described cutting knife one end.
3. electronic product no-trace injection-die according to claim 1, it is characterised in that the drive link includes：Vertically
Sub bar and lateral sub bar, the vertical sub bar extend from the bottom of the lower template to the bottom of the lower die；It is described lateral
Sub bar extends from the sidepiece of the outer lateral lower die of the lower template；The cutting knife includes：Connect the vertical sub bar
The lateral knife of vertical knife and the connection lateral sub bar.
4. electronic product no-trace injection-die according to claim 1, it is characterised in that the forming cavity is provided with correspondence institute
State the thin glue position of cutting knife；The width of the thin glue position is 0.4mm~0.6mm.
5. electronic product no-trace injection-die according to claim 4, it is characterised in that the width of the thin glue position is
0.5mm。
6. electronic product no-trace injection-die according to claim 1, it is characterised in that the lower die mechanism is additionally provided with top
Rod；The lower die side is provided with the movable block for connecting the knock-pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240511.1U CN206186243U (en) | 2016-11-18 | 2016-11-18 | Electronic product does not have trace injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240511.1U CN206186243U (en) | 2016-11-18 | 2016-11-18 | Electronic product does not have trace injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186243U true CN206186243U (en) | 2017-05-24 |
Family
ID=58726068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621240511.1U Expired - Fee Related CN206186243U (en) | 2016-11-18 | 2016-11-18 | Electronic product does not have trace injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159385A (en) * | 2018-09-20 | 2019-01-08 | 深圳市捷讯实业发展有限公司 | Automatic water-stopping mouth structure in mould |
-
2016
- 2016-11-18 CN CN201621240511.1U patent/CN206186243U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159385A (en) * | 2018-09-20 | 2019-01-08 | 深圳市捷讯实业发展有限公司 | Automatic water-stopping mouth structure in mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20201118 |