CN106965387A - A kind of nib cavity injection mold structure - Google Patents
A kind of nib cavity injection mold structure Download PDFInfo
- Publication number
- CN106965387A CN106965387A CN201710021124.1A CN201710021124A CN106965387A CN 106965387 A CN106965387 A CN 106965387A CN 201710021124 A CN201710021124 A CN 201710021124A CN 106965387 A CN106965387 A CN 106965387A
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- CN
- China
- Prior art keywords
- plates
- gear
- dynamic model
- cover half
- core
- 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
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of nib cavity injection mold structure, dynamic model including cover half and below cover half, the lower section of the cover half is provided with stripper plate, the lower section of stripper plate is provided with A plates, the top of the dynamic model is provided with the B plates that can be fitted with A plates, some die cavities are provided between A plates and B plates, some gear drive groups are provided with the dynamic model, gear drive group includes idle gear and some and idle gear engaged transmission core gear, some fixation cores and thread core stretched among die cavity are provided with dynamic model, thread core is rotationally set in the outside of fixed core, thread core is fixedly connected with core gear, the middle part of dynamic model is provided with mainshaft gear and duplicate gear corresponding with gear drive group, the lower end of duplicate gear and mainshaft gear engaged transmission, the upper end of duplicate gear and one of core meshed transmission gear of gear drive group.The present invention is intended to provide a kind of higher nib cavity injection mold structure of chamber number autgmentability.
Description
Technical field
The invention belongs to nib mould applications, more particularly to a kind of nib cavity injection mold structure.
Background technology
Nib as penholder a part, generally using mold injection molding, such as Chinese patent notification number：
CN203510649U, discloses a kind of plastic mould of electronic pen penholder, including quiet template, cavity plate and moving platen, cavity plate
Die cavity, the cast gate being connected with die cavity and the runner being connected with cast gate are provided with, cavity plate is provided with 8 die cavities, 8 types
The appearance and size of chamber is completely the same, and 8 die cavities are arranged in parallel side-by-side in the horizontal direction, and each two die cavity is a unit, each
Two die cavities of unit are connected by runner, runner with it is corresponding enter cast gate be connected；The shape of die cavity and the shape of penholder
Shape is consistent；The side of die cavity is provided with chute, chute and is provided with push rod, and push rod is relative with die cavity, and one end of push rod is solid
It is scheduled on connecting rod, the piston rod drive connection of connecting rod and cylinder.At present, cavity transmission layout mode mainly passes through a main shaft
Direct-drive to the corresponding demoulding core of each die cavity, each die cavity arranges that mode driving-chain is simple around main shaft, but with chamber
Number increase, the space waste of mold center is bigger；Also have and concentrate on product chamber number in mold axis, die cavity is along mold axis
Arrangement, but so chamber number can not be done too much.
The content of the invention
The present invention is that there is provided a kind of chamber number autgmentability is many compared with high nib in order to overcome above-mentioned deficiency of the prior art
Impression injection mold lamps structure.
To achieve these goals, the present invention uses following technical scheme：
A kind of nib cavity injection mold structure, including cover half and the dynamic model below cover half, the lower section of the cover half
Provided with stripper plate, the lower section of stripper plate is provided with A plates, and the top of the dynamic model is provided with the B plates that can be fitted with A plates, A plates and B plates it
Between be provided with some die cavities, be provided with some gear drive groups in the dynamic model, gear drive group include idle gear and it is some with it is lazy
Some fixation cores and screw-type stretched among die cavity are provided with the core gear of meshed transmission gear, described dynamic model
Core, described thread core is rotationally set in the outside of fixed core, and the thread core is fixedly connected with core gear, moves
The middle part of mould is provided with mainshaft gear and duplicate gear corresponding with gear drive group, and lower end and the mainshaft gear of duplicate gear are nibbled
Close transmission, the upper end of duplicate gear and one of core meshed transmission gear of gear drive group.So, the top of thread core
Portion is extend into die cavity, the internal thread for being molded nib.Die sinking is that mainshaft gear can by duplicate gear and gear drive group
Power is transferred to each thread core, thread core is relatively fixed core rotation, the demoulding of internal thread can be achieved.Gear drive
One of core gear of group is driven with duplicate gear, and the power of this type of core gear is transferred into gear drive by idle gear
The core gear of remaining in group, therefore autgmentability is improved, it is greatly improved chamber number arrangement quantity and flexibility.
Preferably, the bottom of the stripper plate is provided with de- material insert, the top of the A plates is provided with and de- material insert site
Corresponding runner insert, forms between de- the material insert and runner insert and is provided with runner cavity, described cover half through de-
The de- material bullet top of flitch, de- material bullet top is acted in flow passage chamber body through de- material insert.
Preferably, described de- material bullet top includes de- stock column body and acts on the de- material spring of de- stock column body downwards,
The spring chamber for being used for accommodating de- material spring is provided with described cover half, the top for taking off stock column body is provided with limited post, spring chamber
Top be provided with the positioning hole that is slidably matched with limited post.
Preferably, described dynamic model is provided with the distance screws spacing to B plates, afterbody and the dynamic model screw thread of distance screws
Connection, the length of distance screws is more than the thickness of B plates.
Preferably, described dynamic model is provided with push piece bullet top, described push piece bullet top includes acting on the push piece post of B plates
Body and promoting be provided with the push piece spring that moves up of push piece cylinder, the dynamic model with push piece cylinder be slidably matched it is spacing
Hole.
Preferably, described cover half is provided with the pull bar spacing to A plates, described pull bar includes spacing body and bar
Body, the upper end of the spacing body and the body of rod is fixed by stop screw with stripper plate, and the cover half is provided with receiving stop collar
The step trough of body, provided with interval, institute between the confined planes of spacing body and the cascaded surface of step trough when cover half is fitted with stripper plate
The lower end for stating the body of rod is provided with the lower limit portion positioned with A plates bottom.
Preferably, being provided with gag lever post between described A plates and B plates, the sidepiece of the A plates, which is provided with, is used for positioning limit bar
The upper limit seat of upper end, the sidepiece of the B plates is provided with the lower positioning seat being slidably matched with gag lever post, and the lower end of the gag lever post is set
There is the positive stop end spacing with lower positioning seat bottom.
Preferably, being provided with nylon Latin between described A plates and B plates, nylon Latin includes upper Latin and lower Latin, institute
The upper Latin stated is fixed with A plates, and described lower Latin is fixed with B plates, and the lower end of the upper Latin is provided with locating slot, the drop-down
The upper end of fourth is provided with the locating piece with locating slot tight fit.
The beneficial effects of the invention are as follows：（1）Effective extended cavity number, improves production efficiency；（2）Effectively prevent condensate and mould
Situation about sticking together so that condensate is smoothly deviate from during die sinking, is easy to manipulator to grip condensate；（3）To each of mould
Individual plate body carries out reliable and stable spacing, realizes reliable and stable die sinking.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is structural representation when runner die joint of the present invention is opened；
Fig. 4 is structural representation when runner of the present invention scrapes die joint opening；
Fig. 5 is structural representation when main parting line of the present invention is opened；
Structural representation when Fig. 6 is opening completely of the invention.
In figure：Mainshaft gear 1, main shaft 2, duplicate gear 3, fixed core 4, core gear 5, idle gear 6, dynamic model 7, screw thread
Core 8, push piece bullet top 9, push piece cylinder 9a, push piece spring 9b, lower die 10, B plates 11, lower positioning seat 11a, A plate 12, upper limit
Seat 12a, stripper plate 13, cover half 14, positioning hole 14a, upper cores 15 take off material bullet top 16, take off stock column body 16a, limited post 16b, take off
Expect spring 16c, runner cavity 17, cast gate 18, mouth of a river bearded needle 19 takes off material insert 20, runner insert 21, pull bar 22, spacing body
22a, body of rod 22b, distance screws 23, gag lever post 24, condensate 25, upper Latin 26, locating slot 26a, lower Latin 27, locating piece 27a.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as shown in Figure 1 and Figure 2, a kind of nib cavity injection mold structure, including cover half 14 and be located at
Dynamic model 7 below cover half, wherein, cover half is provided with cast gate 18, and the lower section of cover half is provided with stripper plate 13, and the lower section of stripper plate is provided with
A plates 12, the top of dynamic model is provided with the B plates 11 that can be fitted with A plates.Cover half is provided with downward through the upper of stripper plate, A plates and B plates
Guide pillar, dynamic model is provided with the lower guide pillar for extending upward through B plates, A plates and stripper plate, and upper guide post and lower guide pillar are arranged vertically, can be right
Stripper plate, A plates and the mobile of B plates are oriented to.
The bottom of stripper plate is provided with runner insert corresponding with de- material insert site provided with de- material insert 20, the top of A plates
21, take off and formed between material insert and runner insert in runner cavity 17, cover half provided with the mouth of a river bearded needle extended into flow passage chamber body
19.Between A plates and B plates be provided with nylon Latin and gag lever post 24, nylon Latin include upper Latin 26 and lower Latin 27, upper Latin with
A plates are fixed, and lower Latin is fixed with B plates, and the lower end of upper Latin is provided with locating slot 26a, and the upper end of lower Latin is provided with tight with locating slot
The locating piece 27a of cooperation.The sidepiece of A plates is provided with the upper limit seat 12a for positioning limit bar upper end, the sidepieces of B plates be provided with
The lower positioning seat 11a that gag lever post is slidably matched, the lower end of gag lever post is provided with the positive stop end spacing with lower positioning seat bottom.On cover half
Provided with the pull bar 22 spacing to A plates, pull bar includes spacing body 22a and body of rod 22b, and the upper end of spacing body and the body of rod passes through limit
Position screw is fixed with stripper plate, and cover half is provided with the step trough for accommodating spacing body, spacing body when cover half is fitted with stripper plate
Confined planes and step trough cascaded surface between be provided with the lower limit portion positioned with A plates bottom provided with interval, the lower end of the body of rod.It is dynamic
Mould is provided with the distance screws 23 spacing to B plates, and the afterbody of distance screws is threadedly coupled with dynamic model, and the length of distance screws is more than
The thickness of B plates.
It is provided with A plates in some upper cores 15, B plates and is provided with lower die 10 corresponding with upper cores, upper cores and lower die
Between form die cavity, the sprue and runners cavity of cover half, runner cavity is connected with each die cavity.It is provided with cover half and runs through stripper plate
With the de- material bullet top 16 of de- material insert, de- material bullet top includes de- stock column body 16a and acts on the de- material bullet of de- stock column body downwards
Spring 16c, de- stock column body is acted in flow passage chamber body, and the spring chamber for being used for accommodating de- material spring is provided with cover half.De- stock column body
Top be provided with limited post 16b, the top of spring chamber is provided with the positioning hole 14a being slidably matched with limited post.Dynamic model is provided with
Push piece bullet top 9, push piece bullet top includes the push piece spring for acting on the push piece cylinder 9a of B plates and promoting push piece cylinder to move up
Provided with the spacing hole being slidably matched with push piece cylinder in 9b, dynamic model.
With reference to shown in Fig. 2, the middle part of dynamic model is provided with main shaft 2, the mainshaft gear 1 fixed with main shaft and around mainshaft gear
Four duplicate gears 3 of arrangement, lower end and the mainshaft gear engaged transmission of duplicate gear.Provided with four gear drives in dynamic model
Group, four gear drive groups are in rectangular layout in dynamic model, and gear drive group includes idle gear 6 and four are engaged with idle gear
The core gear 5 of transmission.Gear drive group is included in idle gear and four and the core gear of gear train engaged transmission, dynamic model
Provided with some fixation cores 4 and thread core 8 stretched among die cavity, thread core be set in the outside of fixed core and
Core rotation can be relatively fixed, thread core is fixedly connected with core gear, the middle part of dynamic model provided with mainshaft gear and with
The corresponding duplicate gear of gear drive group, lower end and mainshaft gear engaged transmission, the upper end of duplicate gear and the tooth of duplicate gear
Take turns one of core meshed transmission gear of transmission group.
As shown in figure 3, being runner die joint between stripper plate and A plates, runner die joint is first turned on during die sinking, condensate 25
Separated with A plates.The runner between cover half and stripper plate scrapes die joint and separated afterwards, as shown in figure 4, now taking off the de- of material bullet top
Stock column body is moved down under de- material spring effect, the condensate in flow passage chamber body is separated with stripper plate, so as to realize condensate
Abjection.As mould opening force increases, A plates and B plates overcome the effect of nylon Latin and separated, as shown in figure 5, between A plates and B plates
Main parting line is opened, while the amount of moving down of B plates is acted on by gag lever post.Finally, it is real as shown in fig. 6, B plates are separated with dynamic model
The distance screws set on the complete opening of existing mould, dynamic model can play safeguard protection effect, prevent B plates from dropping out mould.
Claims (8)
1. a kind of nib cavity injection mold structure, including cover half（14）And positioned at cover half（14）The dynamic model of lower section（7）, its
It is characterized in, the cover half（14）Lower section be provided with stripper plate（13）, stripper plate（13）Lower section be provided with A plates（12）, the dynamic model
（7）Top provided with can be with A plates（12）The B plates of laminating（11）, A plates（12）With B plates（11）Between be provided with some die cavities, it is described dynamic
Mould（7）Interior to be provided with some gear drive groups, gear drive group includes idle gear（6）And some and idle gear（6）Engaged transmission
Core gear（5）, described dynamic model（7）It is interior to be provided with some fixation cores stretched among die cavity（4）And thread core
（8）, described thread core（8）Rotationally it is set in fixed core（4）Outside, the thread core（8）With core gear
（5）It is fixedly connected, dynamic model（7）Middle part be provided with mainshaft gear（1）And duplicate gear corresponding with gear drive group（3）, it is double
Join gear（3）Lower end and mainshaft gear（1）Engaged transmission, duplicate gear（3）Upper end and gear drive group one of them
Core gear（5）Engaged transmission.
2. a kind of nib cavity injection mold structure according to claim 1, it is characterized in that, the stripper plate（13）'s
Bottom is provided with de- material insert（20）, the A plates（12）Top be provided with and de- material insert（20）The corresponding runner insert in position
（21）, the de- material insert（20）With runner insert（21）Between formed runner cavity（17）, described cover half（14）Inside it is provided with
Through stripper plate（13）De- material bullet top（16）, take off material bullet top（16）Through de- material insert（20）Act on runner cavity（17）
It is interior.
3. a kind of nib cavity injection mold structure according to claim 1 or 2, it is characterized in that, described de- material bullet
Top（16）Including taking off stock column body（16a）And de- stock column body is acted on downwards（16a）De- material spring（16c）, described cover half
（14）Interior be provided with is used to accommodate de- material spring（16c）Spring chamber, take off stock column body（16a）Top be provided with limited post（16b）,
The top of spring chamber is provided with and limited post（16b）The positioning hole being slidably matched（14a）.
4. a kind of nib cavity injection mold structure according to claim 1 or 2, it is characterized in that, described dynamic model（7）
It is provided with to B plates（11）Spacing distance screws（23）, distance screws（23）Afterbody and dynamic model（7）Threaded connection, spacing spiral shell
Nail（23）Length be more than B plates（11）Thickness.
5. a kind of nib cavity injection mold structure according to claim 1 or 2, it is characterized in that, described dynamic model（7）
It is provided with push piece bullet top（9）, described push piece bullet top（9）Including acting on B plates（11）Push piece cylinder（9a）And push away
Part cylinder（9a）The push piece spring moved up（9b）, the dynamic model（7）It is interior to be provided with and push piece cylinder（9a）The limit being slidably matched
Position hole.
6. a kind of nib cavity injection mold structure according to claim 1 or 2, it is characterized in that, described cover half
（14）It is provided with to A plates（12）Spacing pull bar（22）, described pull bar（22）Including spacing body（22a）And the body of rod（22b）,
The spacing body（22a）And the body of rod（22b）Upper end pass through stop screw and stripper plate（13）It is fixed, the cover half（14）On
Provided with the spacing body of receiving（22a）Step trough, cover half（14）With stripper plate（13）Spacing body during laminating（22a）Confined planes
Provided with interval, the body of rod between the cascaded surface of step trough（22b）Lower end be provided with and A plates（12）The lower limit of bottom positioning
Portion.
7. a kind of nib cavity injection mold structure according to claim 1 or 2, it is characterized in that, described A plates（12）
With B plates（11）Between be provided with gag lever post（24）, the A plates（12）Sidepiece be provided be used for positioning limit bar（24）The upper limit of upper end
Position seat（12a）, the B plates（11）Sidepiece be provided with and gag lever post（24）The lower positioning seat being slidably matched（11a）, the gag lever post
（24）Lower end be provided with and lower positioning seat（11a）The spacing positive stop end in bottom.
8. a kind of nib cavity injection mold structure according to claim 1 or 2, it is characterized in that, described A plates（12）
With B plates（11）Between be provided with nylon Latin, nylon Latin include upper Latin（26）With lower Latin（27）, described upper Latin（26）
With A plates（12）Fixed, described lower Latin（27）With B plates（11）It is fixed, the upper Latin（26）Lower end be provided with locating slot
（26a）, the lower Latin（27）Upper end be provided with and locating slot（26a）The locating piece of tight fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021124.1A CN106965387B (en) | 2017-01-12 | 2017-01-12 | A kind of pen tip cavity injection mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021124.1A CN106965387B (en) | 2017-01-12 | 2017-01-12 | A kind of pen tip cavity injection mold structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106965387A true CN106965387A (en) | 2017-07-21 |
| CN106965387B CN106965387B (en) | 2019-01-22 |
Family
ID=59334749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710021124.1A Active CN106965387B (en) | 2017-01-12 | 2017-01-12 | A kind of pen tip cavity injection mold structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106965387B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815746A (en) * | 2019-10-10 | 2020-02-21 | 浙江工商职业技术学院 | Same-thread spigot buckle cover die |
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| CN202480344U (en) * | 2012-03-31 | 2012-10-10 | 李海周 | Secondary ejection mechanism and helical gear forming mold comprising the same |
| DE102012020136A1 (en) * | 2012-10-15 | 2014-04-17 | Thomas Meister | Thread core unscrewing device for injection molding tool, has screw thread applied on outer profile of thread core and attached to guide thread in thread diameter and thread pitch, and guide thread inserted into guidance threaded nut |
| CN104227993A (en) * | 2013-06-18 | 2014-12-24 | 汉达精密电子(昆山)有限公司 | Internal thread core-pulling structure of sliding block of mold |
| JP5661958B1 (en) * | 2014-01-30 | 2015-01-28 | 株式会社日本製鋼所 | Core drive device and injection molding machine |
| WO2016148443A1 (en) * | 2015-03-18 | 2016-09-22 | 주식회사 엠티씨 | Injection molding apparatus for worm wheel |
| CN207028096U (en) * | 2017-01-12 | 2018-02-23 | 宁波职业技术学院 | Nib cavity injection mold structure |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011121084A1 (en) * | 2011-02-04 | 2012-09-13 | Thomas Meister | Thread core unscrewing device for use in injection molding tool during manufacturing of plastic components, has gear provided with spur wheel and thread core spur wheel, where gear is mounted in plate shaped gear housing |
| CN202480344U (en) * | 2012-03-31 | 2012-10-10 | 李海周 | Secondary ejection mechanism and helical gear forming mold comprising the same |
| DE102012020136A1 (en) * | 2012-10-15 | 2014-04-17 | Thomas Meister | Thread core unscrewing device for injection molding tool, has screw thread applied on outer profile of thread core and attached to guide thread in thread diameter and thread pitch, and guide thread inserted into guidance threaded nut |
| CN104227993A (en) * | 2013-06-18 | 2014-12-24 | 汉达精密电子(昆山)有限公司 | Internal thread core-pulling structure of sliding block of mold |
| JP5661958B1 (en) * | 2014-01-30 | 2015-01-28 | 株式会社日本製鋼所 | Core drive device and injection molding machine |
| WO2016148443A1 (en) * | 2015-03-18 | 2016-09-22 | 주식회사 엠티씨 | Injection molding apparatus for worm wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110815746A (en) * | 2019-10-10 | 2020-02-21 | 浙江工商职业技术学院 | Same-thread spigot buckle cover die |
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| Publication number | Publication date |
|---|---|
| CN106965387B (en) | 2019-01-22 |
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