CN106965387B - A kind of pen tip cavity injection mold structure - Google Patents
A kind of pen tip cavity injection mold structure Download PDFInfo
- Publication number
- CN106965387B CN106965387B CN201710021124.1A CN201710021124A CN106965387B CN 106965387 B CN106965387 B CN 106965387B CN 201710021124 A CN201710021124 A CN 201710021124A CN 106965387 B CN106965387 B CN 106965387B
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- Prior art keywords
- plate
- gear
- dynamic model
- cover half
- core
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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 pen tip cavity injection mold structures, dynamic model including cover half and below cover half, the lower section of the cover half is equipped with stripper plate, the lower section of stripper plate is equipped with A plate, the top of the dynamic model is equipped with the B plate that can be bonded with A plate, if being equipped with dry type chamber between A plate and B plate, several gear drive groups are equipped in the dynamic model, gear drive group includes idle gear and several type core gears with idle gear engaged transmission, several fixed core and thread cores stretched among type chamber are equipped in dynamic model, thread core is rotationally set in the outside of fixed core, thread core is fixedly connected with type core gear, the middle part of dynamic model is equipped 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 type of gear drive group Core gear engaged transmission.The present invention is intended to provide a kind of higher pen tip cavity injection mold structure of chamber number scalability.
Description
Technical field
The invention belongs to pen tip mould applications more particularly to a kind of pen tip cavity injection mold structures.
Background technique
The a part of pen tip as penholder, generallys use 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 template, cavity plate
It is equipped with type chamber, the cast gate being connected with type chamber and the runner being connected with cast gate, cavity plate is equipped with 8 type chambers, 8 types
The outer dimension of chamber is completely the same, and 8 type chambers are in parallel side-by-side arrangement in the horizontal direction, and every two type chamber is a unit, each
The two types cavity of unit is connected by runner, and runner is connected with corresponding into cast gate；The shape of type chamber and the shape of penholder
Shape is consistent；The side of type chamber is equipped with sliding slot, is provided with push rod on sliding slot, push rod is opposite with type chamber, and one end of push rod is solid
It is scheduled on connecting rod, the piston rod of connecting rod and cylinder is drivingly connected.Currently, cavity transmission layout mode mainly passes through a main shaft
Direct-drive to the corresponding demoulding type core of each type chamber, each type chamber arranges that mode transmission chain is simple, but with chamber around main shaft
Number increases, and the space waste of mold center is bigger；Also have and concentrate on product chamber number in mold axis, type chamber is along mold axis
Arrangement, but chamber number in this way cannot be done too much.
Summary of the invention
The present invention is that it is more to provide a kind of higher pen tip of chamber number scalability in order to overcome above-mentioned deficiency in the prior art
Impression injection mold lamps structure.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of pen tip cavity injection mold structure, the dynamic model including cover half and below cover half, the cover half
Lower section is equipped with stripper plate, and the lower section of stripper plate is equipped with A plate, and the top of the dynamic model is equipped with the B plate that can be bonded with A plate, A plate and B
If being equipped with dry type chamber between plate, it is equipped with several gear drive groups in the dynamic model, gear drive group includes idle gear and several
With the type core gear of idle gear engaged transmission, the dynamic model is interior to be equipped with several fixed core and screw threads stretched among type chamber
Type core, the thread core are rotationally set in the outside of fixed core, and the thread core is fixedly connected with type core gear,
The middle part of dynamic model is equipped 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 type core gear engaged transmission of gear drive group.In this way, thread core
Top is extend into type chamber, for forming the internal screw thread of pen tip.Die sinking is that mainshaft gear passes through duplicate gear and gear drive group
Power can be transferred to each thread core, thread core is relative to fixed type core rotation, it can be achieved that the demoulding of internal screw thread.Gear passes
The one of type core gear and duplicate gear of dynamic group are driven, and the power of this type of core gear is transferred to gear by idle gear and is passed
Remaining type core gear in dynamic group, therefore scalability is improved, it is greatly improved chamber number arrangement quantity and flexibility.
Preferably, the bottom of the stripper plate is equipped with de- material insert, the top of the A plate is equipped with and de- material insert site
Corresponding runner insert forms runner cavity, is equipped in the cover half through de- between the de- material insert and runner insert
The de- material bullet top of flitch, de- material bullet top act in flow passage chamber body through de- material insert.
Preferably, the de- material bullet top includes de- material cylinder and acts on the de- material spring of de- material cylinder downwards,
The spring chamber for accommodating de- material spring is equipped in the cover half, the top of de- material cylinder is equipped with limited post, spring chamber
Top be equipped with the location hole that is slidably matched with limited post.
Preferably, the dynamic model is equipped with the distance screws limited to B plate, the tail portion of distance screws and dynamic model screw thread
Connection, the length of distance screws are greater than the thickness of B plate.
Preferably, the dynamic model is equipped with push piece bullet top, the push piece bullet top includes the push piece column for acting on B plate
Body and the push piece spring for pushing push piece cylinder to move up, the dynamic model is interior to be equipped with the limit being slidably matched with push piece cylinder
Hole.
Preferably, the cover half is equipped with the pull rod limited to A plate, the pull rod includes limit body and bar
The upper end of body, the limit body and the body of rod is fixed by stop screw and stripper plate, and the cover half, which is equipped with, accommodates limit sleeve
The stepped groove of body limits when cover half is bonded with stripper plate and is equipped with interval, institute between the confined planes of body and the cascaded surface of stepped groove
The lower end for stating the body of rod is equipped with the lower limit portion positioned with A board bottom portion.
Preferably, being equipped with gag lever post between the A plate and B plate, the side of the A plate, which is equipped with, is used for positioning limit bar
The upper limit seat of upper end, the side of the B plate are equipped 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 with the limit of lower positioning seat bottom.
Preferably, being equipped with nylon Latin between the A plate and B plate, nylon Latin includes upper Latin and lower Latin, institute
The upper Latin stated is fixed with A plate, and the lower Latin is fixed with B plate, and the lower end of the upper Latin is equipped with locating slot, the drop-down
The upper end of fourth is equipped with the locating piece with locating slot tight fit.
The beneficial effects of the present invention are: (1) effectively extended cavity number, improves production efficiency；(2) condensate and mold are effectively prevent
The case where sticking together clamps condensate convenient for manipulator so that condensate is smoothly deviate from when die sinking；(3) to each of mold
A plate body carries out reliable and stable limit, realizes reliable and stable die sinking.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is structural schematic diagram when runner die joint of the present invention is opened；
Fig. 4 is structural schematic diagram when runner of the present invention scrapes die joint opening；
Fig. 5 is structural schematic diagram when main parting line of the present invention is opened；
Fig. 6 is the structural schematic diagram when present invention fully opens.
In figure: mainshaft gear 1, main shaft 2, duplicate gear 3, fixed core 4, type core gear 5, idle gear 6, dynamic model 7, screw thread
Type core 8, push piece bullet top 9, push piece cylinder 9a, push piece spring 9b, lower mode 10, B plate 11, lower positioning seat 11a, A plate 12, upper limit
Seat 12a, stripper plate 13, cover half 14, location hole 14a, upper cores 15, de- material bullet top 16, de- material cylinder 16a, limited post 16b take off
Expect spring 16c, runner cavity 17, cast gate 18, mouth of a river bearded needle 19, de- material insert 20, runner insert 21, pull rod 22, limit 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.
Specific 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 pen tip cavity injection mold structure, including cover half 14 and be located at
Dynamic model 7 below cover half, wherein cover half is equipped with cast gate 18, and the lower section of cover half is equipped with stripper plate 13, and the lower section of stripper plate is equipped with
A plate 12, the top of dynamic model are equipped with the B plate 11 that can be bonded with A plate.Cover half is equipped with downward through the upper of stripper plate, A plate and B plate
Guide post, dynamic model are equipped with the lower guide post for extending upward through B plate, A plate and stripper plate, and upper guide post and lower guide post are arranged vertically, can be right
The movement of stripper plate, A plate and B plate is oriented to.
The bottom of stripper plate is equipped with de- material insert 20, and the top of A plate is equipped with runner insert corresponding with de- material insert site
21, runner cavity 17 is formed between de- material insert and runner insert, is equipped with the mouth of a river bearded needle extended into flow passage chamber body in cover half
19.Nylon Latin and gag lever post 24 are equipped between A plate and B plate, nylon Latin includes upper Latin 26 and lower Latin 27, upper Latin with
A plate is fixed, and lower Latin is fixed with B plate, and the lower end of upper Latin is equipped with locating slot 26a, and the upper end of lower Latin is equipped with tight with locating slot
The locating piece 27a of cooperation.The side of A plate be equipped with for positioning limit bar upper end upper limit seat 12a, B plate side be equipped with
The lower positioning seat 11a that gag lever post is slidably matched, the lower end of gag lever post are equipped with the positive stop end limited with lower positioning seat bottom.On cover half
Equipped with the pull rod 22 limited to A plate, pull rod includes limit body 22a and body of rod 22b, and the upper end for limiting body and the body of rod passes through limit
Position screw is fixed with stripper plate, and cover half is equipped with the stepped groove for accommodating limit body, and body is limited when cover half is bonded with stripper plate
Confined planes and stepped groove cascaded surface between be equipped with interval, the lower end of the body of rod is equipped with the lower limit portion positioned with A board bottom portion.It is dynamic
Mould is equipped with the distance screws 23 limited to B plate, and the tail portion of distance screws is threadedly coupled with dynamic model, and the length of distance screws is greater than
The thickness of B plate.
It is equipped with several upper cores 15 in A plate, is equipped with lower mode 10 corresponding with upper cores, upper cores and lower mode in B plate
Between shape forming cavity, the sprue and runners cavity of cover half, runner cavity is connected to each type chamber.It is equipped in cover half and runs through stripper plate
With the de- material bullet top 16 of de- material insert, de- material bullet top includes de- material cylinder 16a and acts on the de- material bullet of de- material cylinder downwards
Spring 16c, de- material cylinder act in flow passage chamber body, and the spring chamber for accommodating de- material spring is equipped in cover half.De- material cylinder
Top be equipped with limited post 16b, the top of spring chamber is equipped with the location hole 14a being slidably matched with limited post.Dynamic model is equipped with
Push piece bullet top 9, push piece bullet top include the push piece spring for acting on the push piece cylinder 9a of B plate and push piece cylinder being pushed to move up
9b, dynamic model is interior to be equipped with the limit hole being slidably matched with push piece cylinder.
As shown in connection with fig. 2, the middle part of dynamic model is equipped with main shaft 2, the mainshaft gear 1 fixed with main shaft and surrounds mainshaft gear
Four duplicate gears 3 of arrangement, the lower end of duplicate gear and mainshaft gear engaged transmission.Gear drive there are four being set in dynamic model
Group, four gear drive groups are in rectangular layout in dynamic model, and gear drive group includes that idle gear 6 and four engage with idle gear
The type core gear 5 of transmission.Gear drive group includes the type core gear of idle gear and four with gear set engaged transmission, in dynamic model
Equipped with several fixed cores 4 and thread core 8 stretched among type chamber, thread core be set in the outside of fixed core and
Can be rotated with relatively fixed type core, thread core is fixedly connected with type core gear, the middle part of dynamic model be equipped with mainshaft gear and with
The corresponding duplicate gear of gear drive group, the lower end of duplicate gear and mainshaft gear engaged transmission, the upper end of duplicate gear and tooth
Take turns one of type core gear engaged transmission of transmission group.
As shown in figure 3, being runner die joint between stripper plate and A plate, runner die joint is first turned on when die sinking, condensate 25
It is separated with A plate.The runner between cover half and stripper plate scrapes die joint and separates later, as shown in figure 4, de- material bullet top at this time is de-
Stock column body moves down under the effect of de- material spring, the intracorporal condensate of flow passage chamber is separated with stripper plate, to realize condensate
Abjection.As mould opening force increases, A plate and B plate overcome the effect of nylon Latin and separate, as shown in figure 5, between A plate and B plate
Main parting line is opened, while effect of the amount of moving down of B plate by gag lever post.Finally, as shown in fig. 6, B plate is separated with dynamic model, in fact
Existing mold fully opens, and the distance screws being arranged on dynamic model can play the role of safeguard protection, prevent B plate from dropping out mold.
Claims (7)
1. a kind of pen tip cavity injection mold structure, the dynamic model (7) including cover half (14) and below cover half (14),
It is characterized in, the lower section of the cover half (14) is equipped with stripper plate (13), and the lower section of stripper plate (13) is equipped with A plate (12), the dynamic model
(7) top be equipped with the B plate (11) that can be bonded with A plate (12), A plate (12) and B plate (11) if between equipped with dry type chamber, it is described to move
Several gear drive groups are equipped in mould (7), gear drive group includes idle gear (6) and several and idle gear (6) engaged transmission
Type core gear (5), several fixed cores (4) and thread core stretched among type chamber are equipped in the dynamic model (7)
(8), the thread core (8) is rotationally set in the outside of fixed core (4), the thread core (8) and type core gear
(5) it is fixedly connected, the middle part of dynamic model (7) is equipped with mainshaft gear (1) and duplicate gear corresponding with gear drive group (3), double
Join one of them of lower end and mainshaft gear (1) engaged transmission of gear (3), the upper end of duplicate gear (3) and gear drive group
Type core gear (5) engaged transmission, is equipped with nylon Latin, nylon Latin includes upper Latin between the A plate (12) and B plate (11)
(26) it is fixed with lower Latin (27), the upper Latin (26) and A plate (12), the lower Latin (27) and B plate (11) are fixed,
The lower end of the upper Latin (26) is equipped with locating slot (26a), and the upper end of the lower Latin (27) is equipped with and locating slot (26a) close-fitting
The locating piece of conjunction.
2. a kind of pen tip cavity injection mold structure according to claim 1, characterized in that the stripper plate (13)
Bottom is equipped with de- material insert (20), and the top of the A plate (12) is equipped with runner insert corresponding with de- material insert (20) position
(21), runner cavity (17) are formed between the de- material insert (20) and runner insert (21), is equipped in the cover half (14)
Through the de- material bullet top (16) of stripper plate (13), de- material bullet top (16) acts on runner cavity (17) through de- material insert (20)
It is interior.
3. a kind of pen tip cavity injection mold structure according to claim 2, characterized in that the de- material bullet top
(16) include de- material cylinder (16a) and act on the de- material spring (16c) of de- material cylinder (16a), the cover half downwards
(14) spring chamber for accommodating de- material spring (16c) is equipped in, the top of de- material cylinder (16a) is equipped with limited post (16b),
The top of spring chamber is equipped with the location hole (14a) being slidably matched with limited post (16b).
4. a kind of pen tip cavity injection mold structure according to claim 1 or 2, characterized in that the dynamic model (7)
The distance screws (23) limited to B plate (11) are equipped with, the tail portion of distance screws (23) is threadedly coupled with dynamic model (7), spacing spiral shell
The length for following closely (23) is greater than the thickness of B plate (11).
5. a kind of pen tip cavity injection mold structure according to claim 1 or 2, characterized in that the dynamic model (7)
It is equipped with push piece bullet top (9), the push piece bullet top (9) includes acting on the push piece cylinder (9a) of B plate (11) and pushing away
The push piece spring (9b) that part cylinder (9a) moves up, the dynamic model (7) is interior to be equipped with the limit being slidably matched with push piece cylinder (9a)
Position hole.
6. a kind of pen tip cavity injection mold structure according to claim 1 or 2, characterized in that the cover half
(14) it is equipped with the pull rod (22) limited to A plate (12), the pull rod (22) includes limiting body (22a) and the body of rod (22b),
The upper end of limit body (22a) and the body of rod (22b) is fixed by stop screw and stripper plate (13), on the cover half (14)
Equipped with the stepped groove for accommodating limit body (22a), the confined planes of body (22a) are limited when cover half (14) is bonded with stripper plate (13)
Interval is equipped between the cascaded surface of stepped groove, the lower end of the body of rod (22b) is equipped with the lower limit positioned with A plate (12) bottom
Portion.
7. a kind of pen tip cavity injection mold structure according to claim 1 or 2, characterized in that the A plate (12)
Gag lever post (24) are equipped between B plate (11), the side of the A plate (12) is equipped with the upper limit for positioning limit bar (24) upper end
Position seat (12a), the side of the B plate (11) are equipped with the lower positioning seat (11a) being slidably matched with gag lever post (24), the gag lever post
(24) lower end is equipped with the positive stop end limited with the lower positioning seat bottom (11a).
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 CN106965387A (en) | 2017-07-21 |
| CN106965387B true CN106965387B (en) | 2019-01-22 |
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| 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 |
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| CN (1) | CN106965387B (en) |
Families Citing this family (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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| JP5661958B1 (en) * | 2014-01-30 | 2015-01-28 | 株式会社日本製鋼所 | Core drive device and injection molding machine |
| CN207028096U (en) * | 2017-01-12 | 2018-02-23 | 宁波职业技术学院 | Nib cavity injection mold structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101607187B1 (en) * | 2015-03-18 | 2016-03-29 | 주식회사 엠티씨 | Injection molding apparatus for Worm-wheel |
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2017
- 2017-01-12 CN CN201710021124.1A patent/CN106965387B/en active Active
Patent Citations (6)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN106965387A (en) | 2017-07-21 |
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