CN209580335U - A kind of injection mold of plastic housing - Google Patents
A kind of injection mold of plastic housing Download PDFInfo
- Publication number
- CN209580335U CN209580335U CN201822260310.3U CN201822260310U CN209580335U CN 209580335 U CN209580335 U CN 209580335U CN 201822260310 U CN201822260310 U CN 201822260310U CN 209580335 U CN209580335 U CN 209580335U
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- China
- Prior art keywords
- core
- sliding plug
- injection mold
- slide core
- moving template
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- 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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Abstract
The utility model belongs to injection mold technology, and in particular to a kind of injection mold of plastic housing.The injection mold of plastic housing includes solid plate and moving template, cover half slab core is provided on solid plate, there is the dynamic model slab core opposite with cover half slab core on moving template, there are at least two side core installation cavitys between solid plate and moving template, injection mold of plastic housing further includes slide core and sliding plug, there is guide frame in side core installation cavity, inclined guide is installed on solid plate, is provided with inclined hole on each slide core and sliding plug.The slide core and sliding plug that different number is installed in side core installation cavity can form the shaping mold cavity of different N pass joint products, and then produce different N pass joint products.In this way, a kind of injection mold only needs to change the slide core and sliding plug of different number in production, it can realize the production of different N pass joint products, greatly reduce the production cost of product.
Description
Technical field
The utility model belongs to injection mold technology, and in particular to a kind of injection mold of plastic housing.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool, and injection molding is a kind of processing method used when producing certain complex-shaped components in batches, in particular to will be heated
The material of thawing injects die cavity under high pressure, and after cooling and solidifying molding, dynamic model separates melted material with cover half, and then takes out system
Product.For example, the Chinese utility model patent file that Authorization Notice No. is CN204109261U discloses a kind of three-way straight pipe connector
Injection molding, the mold include solid plate, top clamping plate, moving template and the inclined guide pillar being arranged between solid plate and moving template
Side core drawing structure is additionally provided with locating ring on solid plate.Inclined guide pillar side core-pulling mechanism includes type core slip guiding sleeve, wedge block and tiltedly leads
Column, type core slip guiding sleeve connect wedge block, and wedge block connects top clamping plate, and inclined guide pillar connecting-type core slip guiding sleeve passes through slip guiding sleeve
Inner hole can be oriented to the sliding of side core so that inclined guide pillar with side core cooperation so that side core is moved out core pulling when,
The movement of side core over a large distance is more stable, and in order to avoid side core is removed from the mold completely, it is fixed that solid plate passes through
Position circle be also connected with banking pin, when side core move out to be limited nail limit after, side core stop motion.
Above-mentioned injection molding is provided with type core slip guiding sleeve, the inner hole opposite side of type core slip guiding sleeve between solid plate and moving template
The sliding of type core is oriented to, and the length of type core slip guiding sleeve and inclined guide pillar is all long, is also provided on type core slip guiding sleeve
Banking pin, it can be seen that its purpose be exactly in order to prevent side core abjection mold, so the side core of this mold is to be changed without
, it is specially adapted for the production of three-way connection, then when needing to produce the other kinds of connectors such as a logical, straight-through, logical, four-way in angle
When, it is necessary to prepare other die set, die manufacturing cycle is long, manufacturing cost is high, increases the cost of product.
Utility model content
The purpose of this utility model is to provide a kind of injection mold of plastic housing, for solving manufacturing in the prior art
It needs to prepare multiple sets of molds when different N pass joint product and leads to that die manufacturing cycle is long, manufacturing expense is high, product cost is high
The problem of.
To achieve the goals above, the utility model injection mold of plastic housing adopts the following technical scheme that:
A kind of injection mold of plastic housing, including solid plate and moving template are provided with cover half slab core, dynamic model on solid plate
The dynamic model slab core opposite with cover half slab core is provided on plate, in cover half slab core and moving template between solid plate and moving template
The outer circumferential of type core is arranged at intervals at least two for installing the side core installation cavity of slide core or sliding plug, plastics
Shell injection mold further includes for being fitted into side core installation cavity with the slide core that forms branched pipe and for being packed into side
Sliding plug in type core installation cavity to block side core installation cavity is provided with for vertical in each side core installation cavity
It is used for tiltedly in being equipped on the guide frame being oriented on moving template moving direction to slide core or sliding plug, solid plate
To pass through slide core or sliding plug so that slide core or sliding plug in die sinking simultaneously far from solid plate and moulding
Inclined guide, be provided with the inclined hole passed through for inclined guide on each slide core and sliding plug.
Above-mentioned technical proposal the utility model has the advantages that the slide core installed in side core installation cavity can be used to form N it is logical
The branched pipe of connector product, sliding plug can then be placed in side core installation cavity and block side core installation cavity, different numbers
Slide core and the sliding plug cooperation of amount can form the shaping mold cavity of different N pass joint products, pass through different shaping moulds
Chamber can be used to produce different N pass joint products；Guide frame then makes slide core or sliding plug be easier to guiding movement peace
In side core installation cavity, after the completion of molten plastic solidification, injection mold die sinking, slide core or sliding plug can be with one
It rises under the drive of inclined guide far from solid plate and moulding, be also convenient for taking out slide core or sliding plug and replaced.
In this way, a kind of injection mold only needs to change the slide core of different number when producing different N pass joint products and sliding is blocked up
Head can realize the production of different N pass joint products, greatly reduce the production cost of injecting products.
Further, pressing plate is fixed on the moving template, pressing plate, solid plate, moving template surround side core installation jointly
Chamber, pressing plate, solid plate, moving template wall surface constitute the guide frame, pressing plate is equipped with and slide core or sliding plug are kept off
Only cooperate to drive the stopping surface of slide core or sliding plug far from solid plate in die sinking.Pass through pressing plate, solid plate, dynamic model
Plate surrounds side core installation cavity jointly, keeps the structure of entire injection mold more compact.
Further, the edge of the pressing plate protrudes into the side core installation cavity on moving template, pressing plate towards moving template
Side constitute the stopping surface, the platform with the edge guiding of pressing plate and block cooperation is provided on slide core or sliding plug
Terrace.The edge of pressing plate and the step surface of slide core or sliding plug, which carry out guiding block cooperation, has that structure is simple, is convenient for
The characteristics of processing.
Further, spring is provided in the pressing plate, one end of spring is connected with for pressing slide core or sliding
The press ball of plug side.In injection moulding process, press ball can be used to withstand the side of sliding plug or slide core with to
The two provides certain pressure on top surface, prevents sliding plug or slide core from retreating under the extruding of molten plastic.
Further, the pressing plate there are two and parallel interval arrange, the spring and press ball be disposed therein one
On pressing plate.Two pressing plates are used to surround a side core installation cavity jointly with solid plate and moving template, in injection mold die sinking,
Drive slide core or sliding plug far from cover half with slide core or sliding plug guiding block cooperation by two pressing plates
Plate, so that the movement of slide core and sliding plug is more stable；Spring and press ball are only arranged on a pressing plate knot
The simple feature of structure.
Further, the number and the number phase of side core installation cavity for the slide core that injection mold of plastic housing is equipped with
Together, one fewer than the number of slide core of the number of the sliding plug of outfit.Theoretically, the fertile N of injection mold institute is connected
The branched pipe quantity of head product is at most identical as the number of side core installation cavity, therefore, in actual production, each in order to be able to satisfy
The production of kind N pass joint product, the number of the slide core prepared are identical as the number of side core installation cavity；On the other hand,
In actual production process, connector product is at least a parts, in the shaping mold cavity of different N pass joint products, sliding plug
Number it is one at least fewer than the number of slide core, therefore, in order to improve resource utilization, it is stifled to avoid preparing excessive sliding
Head and cause to waste, when being equipped with the quantity of sliding plug and slide core, the number of sliding plug need to be made than slide core
Number is one few.
Detailed description of the invention
Fig. 1 is the main view of the utility model injection mold of plastic housing；
Fig. 2 be Fig. 1 in injection mold of plastic housing A-A to sectional elevation；
Fig. 3 is the left view cut away view of injection mold of plastic housing in Fig. 1；
Fig. 4 is the partial enlarged view in Fig. 2 at B；
Fig. 5 is partial schematic diagram of the utility model injection mold of plastic housing under die opening state；
Fig. 6 is the product of the three-way connection of the utility model injection mold of plastic housing production；
Fig. 7 is the product of the four-way connection of the utility model injection mold of plastic housing production；
Fig. 8 is the product of a pass joint of the utility model injection mold of plastic housing production；
Fig. 9 is the product of the angle pass joint of the utility model injection mold of plastic housing production；
Figure 10 is the product of the straight coupling of the utility model injection mold of plastic housing production；
Description of symbols: 1- solid plate, 2- wedge block, 3- sliding plug, 4- inclined guide, 5- moving template, 6- moving template
First type core, 7- moving template second type core, 8- push rod, 9- slide core, 10- solid plate the first type core, 11- solid plate second type
Core, 12- push plate, 13- fixed plate, 14- release link, 15- guide post, 16- guide sleeve, 17- fastening screw, 18- steel ball, 19- spring,
20- lock-screw, 21- side plate, 22- lower die holder, 23- fixing bolt, 24- pressing plate, 25- backing plate, a- four-way connection product, b- mono-
Pass joint product, the angle c- pass joint product, d- straight coupling product, e- three-way connection product.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing:
The specific embodiment of the utility model injection mold of plastic housing:
As shown in Figures 1 to 4, injection mold includes solid plate 1 and moving template 5, and solid plate first is provided on solid plate 1
Type core 10 and solid plate second type core 11, the two collectively form cover half slab core, and moving template the first type core is provided on moving template 5
6 and moving template second type core 7, the two collectively forms dynamic model slab core.
It is arranged at intervals with everywhere between solid plate 1 and moving template 5 in the outer circumferential of cover half slab core and dynamic model slab core
For installing the side core installation cavity of slide core 9 or sliding plug 3, each side core installation cavity is arranged by two parallel intervals
Pressing plate 24 surrounded jointly with solid plate 1 and moving template 5, specifically, pressing plate 24 is fixed on moving template 5 by fastening screw 17
On, it is additionally provided with the rectangular channel for accommodating pressing plate 24 on solid plate 1, is provided with groove, pressing plate 24 on solid plate 1 and moving template 5
The side core installation cavity for accommodating slide core 9 or sliding plug 3 is surrounded jointly with the groove on solid plate 1 and moving template 5；
Pressing plate 24, solid plate 1, moving template 5 wall surface constitute guide frame, slide core 9 and sliding plug 3 can be oriented to along wall surface
It is mobile, enter or exit side core installation cavity convenient for guidance slide core 9 and sliding plug 3；Side type everywhere in the present embodiment
In core installation cavity, have at three the inside equipped with slide core 9, at other one inside sliding plug 3 is housed, can be used to produce threeway
Connector product, as shown in Figure 6；And work as slide core 9 and the sliding plug 3 of replacement other quantity to produce different N pass joints
When product, only moving template 5 need to be opened to the maximum position, that is, can be taken off sliding plug 3 and slide core 9, be not required to lay down it is any its
His component.
Spring 19 and lock-screw 20 are provided in pressing plate 24, one end of spring 19 is also connected with steel ball 18, and steel ball 18 can
For pressing slide core 9 and sliding plug 3, in injection moulding process, steel ball 18 can be used to withstand sliding plug 3 and sliding-type
The side of core 9 is to provide certain pressure on top surface to the two；Wedge block is additionally provided in the outside of pressing plate 24, on solid plate 1
2, wedge block 2 can be used to press sliding plug 3 and slide core 9, in this way, common press of wedge block 2 and steel ball 18 can be to prevent
Sliding stop plug 3 and slide core 9 are retreated in the case where entering the extruding of molten plastic of injection mold；And in the die sinking of injection mold
When with molding, since mould opening force and mold clamping force are larger, steel ball 18 is compressed, and will not influence sliding plug 3 and slide core 9
Normal sliding.
Inclined guide 4 is also respectively connected in sliding plug 3 and slide core 9, specifically, on sliding plug 3 and slide core 9
It is provided with inclined hole, inclined guide 4 may pass through the connection of inclined hole realization and sliding plug 3 and slide core 9, and the edge of pressing plate 24 is stretched
Enter in the side core installation cavity on moving template 5, pressing plate 24 constitutes stopping surface towards the side of moving template 5, correspondingly, slide core
9 and sliding plug 3 on be provided with step surface, the edge of pressing plate 24 can be oriented to step surface and block cooperates.Work as molten plastic
After the completion of solidification in injection mold, solid plate 1 and moving template 5 are opened, sliding plug 3 and slide core 9 with pressing plate 24
After being oriented to block cooperation, it is moulding that the extending direction under the drive of inclined guide 4 along inclined guide 4, which moves and far from solid plate 1,
It is ejected and concedes space, as shown in Figure 5.
Injection mold further includes ejecting mechanism, specifically, ejecting mechanism includes push rod 8, fixed plate 13, release link 14 and pushes away
Plate 12, wherein push rod 8 is connected and fixed plate 13, and fixed plate 13 connects push plate 12, and release link 14 is connected and fixed plate 13.
Injection mold includes lower die holder 22, and lower die holder 22 is connected with side plate 21 by fixing bolt 23, and side plate 21 passes through spiral shell
It tethers and is connected to backing plate 25, backing plate 25 is fixedly connected by bolt with moving template 5.
Guide post 15 and guide sleeve 16 are additionally provided on solid plate 1 and moving template 5, the guiding of injection mold is collectively formed in the two
Structure carries out the mobile guide of solid plate 1 and moving template 5 in the die sinking and molding of injection mold.
Theoretically, injection mold fertile N pass joint product branched pipe quantity at most with side core installation cavity
Number is identical, therefore, in actual production, in order to be able to satisfy the production of various N pass joint products, the slide core 9 prepared
Number it is identical as the number of side core installation cavity；On the other hand, in actual production process, connector product is at least a parts,
In the shaping mold cavity of different N pass joint products, the number of sliding plug 3 is one at least fewer than the number of slide core 9, because
This is avoided preparing excessive sliding plug 3 and causing to waste to improve resource utilization, is being equipped with sliding plug 3 and sliding
When the quantity of type core 9, the number of sliding plug 3 one fewer than the number of slide core 9 need to be made.Therefore in the present embodiment, by
In side core installation cavity number be four, correspondingly, prepare slide core 9 number be four, the number of sliding plug 3
It is three.
The utility model injection mold of plastic housing is at work: being collectively formed in pressing plate 24 and solid plate 1 and moving template 5
Four side core installation cavitys in select three loading slide cores 9, remaining one is then packed into sliding plug 3, solid plate 1 and dynamic
Template 5 molds, and by the type chamber of the plastics injection mold for the molten condition being plasticized, the plastics solidification to molten condition is formed
Afterwards, solid plate 1 and the die sinking of moving template 5, slide core 9 and sliding plug 3 are under the drive of pressing plate 24 and inclined guide 4 along inclined guide
4 extending direction movement is ejected for moulding simultaneously far from solid plate 1 and concedes space, then, push rod 8 ejects moulding；Together
When, it when moving template 5 opens to the maximum position, is also convenient for removing slide core 9 and sliding plug 3, and then replace other quantity
Sliding plug 3 and slide core 9.
In the present embodiment, a pass joint product is formed after only describing a sliding plug and three slide core cooperations
The case where e.In other embodiments, when needing to produce four-way connection product as shown in Figure 7, in four side core chambers
Slide core is placed, no longer placement sliding plug；When needing to produce a pass joint product as shown in Figure 8, in three side types
Sliding plug is placed in setting in core installation cavity, places slide core in a remaining side core installation cavity；When needs produce such as
When pass joint product in angle shown in Fig. 9, two slide cores are arranged in two adjacent side core installation cavitys, other two
Side core installation cavity then respectively places a sliding plug；When needing to produce straight coupling product as shown in Figure 10, by two
Slide core is arranged in two conllinear side core installation cavitys, and it is stifled that other two side core installation cavity then respectively places a sliding
Head.
In the present embodiment, press ball is steel ball, and in other embodiments, press ball may be other materials.
In the present embodiment, it is provided with spring and press ball in pressing plate, presses ball, that is, steel ball, can be used to withstand sliding stifled
The side of head or slide core prevents sliding plug or slide core in molten plastic to provide certain pressure on top surface to the two
Squeeze lower retreat.Since press effect of the steel ball to sliding plug and slide core is limited, in other embodiments, can not also set
Set spring and press ball.
In the present embodiment, the number of pressing plate is two and parallel interval is arranged, keeps the structure of injection mold more compact
While, side core installation cavity is surrounded jointly with solid plate and moving template.In other embodiments, a pressure can also be only set
Plate surrounds a side core installation cavity by a pressing plate and solid plate and moving template jointly.
In the present embodiment, the step surface of the edge of pressing plate and slide core and sliding plug realizes guiding block cooperation,
To drive slide core and sliding plug far from solid plate in die sinking.In other embodiments, can also be arranged on pressing plate
Corresponding fixture block is arranged on sliding slide core and sliding plug in card slot, is caught in card slot by fixture block and is oriented to card slot
The guiding block of cooperation, Lai Shixian pressing plate and slide core and sliding plug cooperates.
In the present embodiment, pressing plate, solid plate, moving template wall surface constitute guide frame, convenient for guidance slide core and
Sliding plug enters in side core installation cavity.In other embodiments, guide frame is also possible to as described in background technology part
The type core slip guiding sleeve being arranged in documents, the guiding to slide core and sliding plug is realized by the inner hole of slip guiding sleeve,
Type core slip guiding sleeve is fixedly connected with moving template at this time.
In the present embodiment, the number of side core installation cavity is four.In other embodiments, of side core installation cavity
Number is also possible to two, three, five or more side core installation cavitys is arranged according to actual needs.
In the present embodiment, the slide core number prepared by injection mold is four, and the number of sliding plug is three
It is a.In other embodiments, the number of slide core is also greater than four, and the number of sliding plug is also greater than three, in this way,
In injection mold production process, if there is the damage of slide core and sliding plug, extra slide core and sliding plug
It can timely be replaced.
Claims (6)
1. a kind of injection mold of plastic housing, including solid plate and moving template, cover half slab core, moving template are provided on solid plate
On be provided with the dynamic model slab core opposite with cover half slab core, it is characterised in that: in cover half template between solid plate and moving template
The outer circumferential of core and dynamic model slab core is arranged at intervals at least two for installing the side core of slide core or sliding plug
Installation cavity, injection mold of plastic housing further include for be fitted into side core installation cavity with formed branched pipe slide core, with
And the sliding plug for being fitted into side core installation cavity to block side core installation cavity, it is respectively provided in each side core installation cavity
There is a guide frame for being oriented on perpendicular to moving template moving direction to slide core or sliding plug, on solid plate
Be equipped with for obliquely through slide core or sliding plug so that slide core or sliding plug in die sinking simultaneously far from fixed
The inclined guide of template and moulding is provided with the inclined hole passed through for inclined guide on each slide core and sliding plug.
2. injection mold of plastic housing according to claim 1, it is characterised in that: it is fixed with pressing plate on the moving template,
Pressing plate, solid plate, moving template surround side core installation cavity jointly, pressing plate, solid plate, moving template wall surface constitute the guiding and tie
Structure, pressing plate, which is equipped with, to be cooperated with slide core or sliding plug block to drive slide core or sliding plug separate in die sinking
The stopping surface of solid plate.
3. injection mold of plastic housing according to claim 2, it is characterised in that: the edge of the pressing plate protrudes into moving template
On side core installation cavity in, the side towards moving template of pressing plate constitutes the stopping surface, on slide core or sliding plug
It is provided with the step surface with the edge guiding of pressing plate and block cooperation.
4. injection mold of plastic housing according to claim 2 or 3, it is characterised in that: it is provided with spring in the pressing plate,
One end of spring is connected with the press ball for pressing slide core or sliding plug side.
5. injection mold of plastic housing according to claim 4, it is characterised in that: there are two the pressing plates and parallel interval
Setting, the spring and press ball are disposed therein in a pressing plate.
6. injection mold of plastic housing according to any one of claims 1 to 3, it is characterised in that: plastic shell injection molding
The number for the slide core that mold is equipped with is identical as the number of side core installation cavity, and the number of the sliding plug of outfit compares sliding-type
The number of core is one few.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260310.3U CN209580335U (en) | 2018-12-30 | 2018-12-30 | A kind of injection mold of plastic housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260310.3U CN209580335U (en) | 2018-12-30 | 2018-12-30 | A kind of injection mold of plastic housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209580335U true CN209580335U (en) | 2019-11-05 |
Family
ID=68351529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822260310.3U Expired - Fee Related CN209580335U (en) | 2018-12-30 | 2018-12-30 | A kind of injection mold of plastic housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209580335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103512A (en) * | 2020-10-11 | 2021-07-13 | 罗文俊 | Four-way pipe joint die mechanism |
-
2018
- 2018-12-30 CN CN201822260310.3U patent/CN209580335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103512A (en) * | 2020-10-11 | 2021-07-13 | 罗文俊 | Four-way pipe joint die mechanism |
| CN113103512B (en) * | 2020-10-11 | 2023-09-05 | 深圳市鹏亿发精密模具有限公司 | Four-way pipe joint die mechanism |
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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: 20191105 Termination date: 20211230 |