CN205326172U - Double -shot injection mould - Google Patents
Double -shot injection mould Download PDFInfo
- Publication number
- CN205326172U CN205326172U CN201521016160.1U CN201521016160U CN205326172U CN 205326172 U CN205326172 U CN 205326172U CN 201521016160 U CN201521016160 U CN 201521016160U CN 205326172 U CN205326172 U CN 205326172U
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- mold
- cavity
- insert
- movable insert
- mode slider
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a double -shot injection mould, this mould include first front mould benevolence, second front mould benevolence, back mould benevolence, clamping inserts and movable insert, be equipped with a plurality of front mould sliders in the first front mould benevolence, its and first front mould benevolence sliding connection, and be located the clamping inserts periphery for gather together first the slip towards clamping inserts when penetrating the shaping, in order forming the first cavity of confined with clamping inserts and the cooperation of first front mould benevolence, firstly penetrate the product shaping in first cavity, movable insert is the ring -type to the slip cap is established at clamping inserts peripherally, and it is used for sliding in order to form confined second cavity with clamping inserts and the cooperation of second front mould benevolence towards the direction of being close to second front mould benevolence when the shaping is penetrated to the second, and the second cavity is greater than first cavity, so that second front mould benevolence and movable insert and first penetrating form the clearance between the product, the product shaping is penetrated in the clearance to the second. The utility model discloses the joint line on product surface can be reduced, the outward appearance of product is improved, just the utility model has the advantages of simple structure, reliably.
Description
Technical field
This utility model relates to technical field of mold, particularly relates to a kind of bicolor injection mould。
Background technology
Bicolor injection mould refers to the injection moulding on same injection machine of two kinds of plastic materials, molding at twice, depanning of product mould。Double-color mold is at present commercially day by day prevailing, owing to this technique can make the outward appearance of product more beautiful, it is easy to change color without spraying。Especially present electronic product, such as the extensive use of mobile phone, panel computer etc., people are higher for the requirement of the shell of mobile phone etc., thus double-colored phone housing is becoming increasingly popular。
The existing mould for similar square double-colored shells such as the double-colored phone housings of molding generally includes the first front mould, the second front mould, rear mold and the first front mold slide and the second front mold slide。Wherein, first front mold slide and the second front mold slide all include four parts; these four parts lay respectively on the four edges of square phone housing, as it is shown in figure 1, Fig. 1 is the relative position schematic diagram of the first front mold slide or the second front mold slide and product in prior art。Wherein, the first front mold slide or the second front mold slide tool include Part I 101, Part II 102, Part III 103 and Part IV 104, and close and away from rear mold or product 2 slip all can occur these four parts。Wherein, the cavity that the first front mould, the first front mold slide and rear mold cooperatively form is the first cavity, and first penetrates product molding in the first cavity。The cavity that second front mould, the second front mold slide and rear mold cooperatively form is the second cavity; second penetrates product molding in the second cavity; second cavity is more than the first cavity; second front mould, the second front mold slide and first are penetrated and between product, all there is gap, in this gap, be shaped to second for the material of second time injection moulding and penetrate product and cover first and penetrate product。The process of injection moulding is as follows:
First; first front mould 14 and rear mold 13 matched moulds, the first front mold slide 11 all is gathered to cooperatively form the first cavity with the first front mould 14 towards the slip near the direction of rear mold 13, penetrates product 21 forming first; as in figure 2 it is shown, Fig. 2 is prior art first penetrates the structural representation of mould longitudinal section during molding。
Then, the first front mould 14 and rear mold 13 die sinking, the first front mold slide 11 slides towards the direction away from rear mold 13 respectively, and first penetrates product 21 and stay in rear mold 13。
Then; second front mould 15 and rear mold 13 matched moulds, the second front mold slide 12 all is gathered to cooperatively form the second cavity with the second front mould 15 towards the slip near the direction of rear mold 13, penetrates product 22 forming second; as it is shown on figure 3, Fig. 3 is prior art second penetrates the structural representation of mould longitudinal section during molding。
Finally, the second front mould 15 and rear mold 13 die sinking, the second front mold slide 12 slides towards the direction away from rear mold 13 respectively, and product 2 depanning。
In the end in a step; second front mold slide 12 is towards away from after the slip of rear mold direction; owing to the second front mold slide 12 includes four parts; these four parts are all slided towards different directions, and at the boundary of these four parts, namely the position at four angles of phone housing can produce four parting lines 23; as shown in Figure 4; Fig. 4 is the schematic diagram of product 2 formed by prior art injection moulding, and this parting line 23 is exposed to the surface of product 2, affects the outward appearance of product 2。
Utility model content
This utility model provides a kind of bicolor injection mould, it is possible to solve the problem producing parting line at product surface that prior art exists。
For solving above-mentioned technical problem, the technical scheme that this utility model adopts is: providing a kind of bicolor injection mould, this bicolor injection mould includes the first front cavity, the second front cavity, rear cavity, rear mold mold insert and movable insert；Described rear mold mold insert is arranged in described rear cavity, and protruding upward relative to described rear cavity；Described first front cavity is provided with multiple front mold slide; described front mold slide and described first front cavity are slidably connected; it is peripheral that described front mold slide is positioned at described rear mold mold insert; described front mold slide is gathered for sliding towards described rear mold mold insert when first penetrates molding; to cooperatively form the first cavity of closing with described rear mold mold insert and described first front cavity, first penetrates formed product in described first cavity；Described movable insert is in the form of a ring, the described movable insert described rear mold mold insert that is slidably located in is peripheral, described movable insert is for the second cavity to cooperatively form closing with described rear mold mold insert and described second front cavity that slides towards the direction of close described second front cavity when second penetrates molding, described second cavity is more than described first cavity, so that described second front cavity and described movable insert and described first penetrate formation gap between product, second penetrates formed product in described gap。
Wherein, described bicolor injection mould also includes rear mode slider; described rear mode slider and described rear cavity are slidably connected; and it is positioned at the outside of described movable insert; the slip closer or far from described rear mold mold insert can be there is in described rear mode slider; the end face of described rear mode slider is inclined-plane, so that described rear mode slider occurs to drive described movable insert to move up and down during the slip closer or far from described rear mold mold insert。
Wherein, the bottom surface of described movable insert is inclined-plane, matches with the end face of described rear mode slider in the bottom surface of described movable insert。
Wherein, described rear mode slider has at least two, and described rear mode slider is symmetrical arranged。
Wherein, described bicolor injection mould also includes support column, and described support column is arranged on the bottom of described movable insert, and is positioned at the homonymy of described movable insert with described rear mode slider, and described support column is used for supporting described movable insert。
Wherein, described support column is provided with multiple, and the plurality of support column is symmetricly set on the bottom of described movable insert。
Wherein, the bottom of described movable insert is corresponding to being additionally provided with groove on the position of described support column, and described support column inserts in described groove。
Wherein, described rear mode slider is provided with holding tank near the side of described rear mold mold insert; the position of described holding tank is corresponding with the position of described support column, and when the position of described rear mold skid to described support column, described support column is housed inside in described holding tank。
Wherein, the two ends of the side that described movable insert is corresponding with described rear mode slider are all downwardly protrude to form limited block, to limit the position between described rear mode slider and described movable insert。
Wherein, described rear mode slider near the side of described rear mold mold insert two ends towards described rear mold mold insert direction protrude formed prerotation vane, the outer surface of described prerotation vane coordinates with the inner surface of described limited block to import between two described limited blocks described rear mode slider。
The beneficial effects of the utility model are: be different from the situation of prior art, this utility model is by the movable insert in the outer sheathed annular of rear mold mold insert, and this movable insert is as a whole, and this movable insert can slide along rear mold mold insert outer surface, make when second penetrates molding, can to cooperatively form the second cavity and penetrate product with the second front cavity and rear mold mold insert with molding second by movable insert upward sliding, second penetrate formed product after, again by movable insert slide downward to depart from product, owing to this movable insert is as a whole, because the surface without four angles place at product forms parting line。This utility model can reduce the parting line of product surface, improves the outward appearance of product, and simple in construction of the present utility model, reliable, and operation runs convenient。
Accompanying drawing explanation
Fig. 1 is the relative position schematic diagram of the first front mold slide or the second front mold slide and product in prior art；
Fig. 2 is prior art structural representation of mould longitudinal section when product is penetrated in molding first；
Fig. 3 is prior art structural representation of mould longitudinal section when product is penetrated in molding second；
Fig. 4 is the schematic diagram of product formed by prior art injection moulding；
Fig. 5 is the decomposition texture schematic diagram of this utility model bicolor injection mould embodiment；
Fig. 6 is this utility model bicolor injection mould embodiment longitudinal cross-section structural representation when product is penetrated in molding first；
Fig. 7 is this utility model bicolor injection mould embodiment longitudinal cross-section structural representation when product is penetrated in molding second。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail。
Referring to Fig. 5, Fig. 6 and Fig. 7, Fig. 5 is the decomposition texture schematic diagram of this utility model bicolor injection mould embodiment。Fig. 6 is this utility model bicolor injection mould embodiment longitudinal cross-section structural representation when product is penetrated in molding first。Fig. 7 is this utility model bicolor injection mould embodiment longitudinal cross-section structural representation when product is penetrated in molding second。
Specifically, this utility model provides a kind of bicolor injection mould, for the double-color shell of injection mo(u)lding mobile phone or panel computer etc.。The present embodiment illustrates for the double-colored shell of mobile phone。
This bicolor injection mould includes first front cavity the 30, second front cavity 40, rear cavity 50, rear mold mold insert 60 and movable insert 70。
Wherein, rear mold mold insert 60 is arranged in rear cavity 50, and protruding upward relative to rear cavity 50。
First front cavity 30 is provided with multiple front mold slide 31; front mold slide 31 and the first front cavity 30 are slidably connected; it is peripheral that front mold slide 31 is positioned at rear mold mold insert 60; multiple front mold slide 31 are gathered for sliding towards rear mold mold insert 60 when first penetrates molding; to cooperatively form the first cavity of closing with rear mold mold insert 60 and the first front cavity 30, first penetrates product 81 is molded in the first cavity。
Specifically, front mold slide 31 includes four parts, lays respectively on four sides of mobile phone shell, and close or away from rear mold mold insert 60 slip can occur these four parts。Certainly, in other embodiments, front mold slide 31 can also be other structure commonly used in the art。
Movable insert 70 is in the form of a ring, and it is as a whole, the movable insert 70 rear mold mold insert 60 that is slidably located in is peripheral, movable insert 70 is for the second cavity to cooperatively form closing with rear mold mold insert 60 and the second front cavity 40 that slides towards the direction of close second front cavity 40 when second penetrates molding, second cavity is more than the first cavity, so that the second front cavity 40 and movable insert 70 and first penetrate formation gap between product 81, second penetrates product 82 is molded in this gap。
In this utility model, owing to movable insert 70 is an entirety, and it is set in outside rear mold mold insert 60, thus movable insert 70 will not adjust its position by sliding closer or far from rear mold mold insert 60, but by adjusting its position towards the slip in the direction closer or far from the second front cavity 40, as shown in Figure 6 and Figure 7, movable insert 70 adjusts position by upper and lower slip。Thus, after final products molding, movable insert 70 departs from product towards lower slider, and, owing to movable insert 70 is an entirety, thus the product of final molding will not produce parting line in the position at four angles。
For example, work process of the present utility model is as follows:
First; first front cavity 30 and rear cavity 50 matched moulds; simultaneously; four parts of front mold slide 31 are all slided near rear mold mold insert 60; until front mold slide 31 contacts with rear mold mold insert 60; now, front mold slide 31 complements each other to form the first cavity of closing with rear mold mold insert 60 and the first front cavity 30, and product 81 is penetrated in injection mo(u)lding first in the first cavity。
First penetrate product 81 molding after, the first front cavity 30 and rear cavity 50 die sinking, first penetrates product 81 stays on rear mold mold insert 60。
Then, movable insert 70 is along the outer surface upward sliding of rear mold mold insert 60, after arriving the position set, second front cavity 40 and rear cavity 50 matched moulds, movable insert the 70, second front cavity 40 and rear mold mold insert 60 complement each other to form the second cavity of closing, and the second cavity is more than the first cavity, so that the second front cavity 40 and movable insert 70 and first penetrate formation gap between product 81, in this gap, product 82 is penetrated in injection mo(u)lding second, and second penetrates product 82 is coated on first and penetrates outside product 81。
Finally, the second front cavity 40 and rear cavity 50 die sinking, and movable insert 70 slide downward disengaging product, product is ejected。
It is different from prior art, this utility model is by the movable insert 70 in the outer sheathed annular of rear mold mold insert 60, and this movable insert 70 is as a whole, and this movable insert 70 can slide along rear mold mold insert 60 outer surface, make when second penetrates molding, can to cooperatively form the second cavity and penetrate product with the second front cavity 40 and rear mold mold insert 60 with molding second by movable insert 70 upward sliding, second penetrate formed product after, again by movable insert 70 slide downward to depart from product, owing to this movable insert 70 is as a whole, because the surface of the position without four angles at product forms parting line。This utility model can reduce the parting line of product surface, improves the outward appearance of product, and simple in construction of the present utility model, reliable, and operation runs convenient。
In the present embodiment; bicolor injection mould also includes rear mode slider 90; rear mode slider 90 is slidably connected with rear cavity 50; and it is positioned at the outside of movable insert 70; the slip closer or far from rear mold mold insert 60 can be there is in rear mode slider 90; the end face of rear mode slider 90 is inclined-plane, so that rear mode slider 90 occurs to drive movable insert 70 to move up and down during the slip closer or far from rear mold mold insert 60。The bottom surface of the movable insert 70 of the present embodiment is also inclined-plane, matches with the end face of rear mode slider 90 in the bottom surface of movable insert 70。
Such as, in Fig. 7, the end face of rear mode slider 90 is from outside to the interior inclined-plane a being sloped downwardly; the bottom surface of movable insert 70 is from outside to the interior inclined-plane b being sloped downwardly; wherein, inner side is the side near rear mold mold insert 60, and outside is the side away from rear mold mold insert 60。The slope of the inclined-plane a and inclined-plane b of the present embodiment is equal。Certainly; in some other embodiments; the slope of inclined-plane a and inclined-plane b can also be unequal; or; can also be that after only having, the end face of mode slider 90 is inclined-plane; and the bottom surface of movable insert 70 does not tilt, as long as driving movable insert 70 to slide up or down time mode slider 90 is inwards or slide in outside after realizing。
Rear mode slider 90 has at least two, and the rear mode slider 90 of the present embodiment is provided with two, and after these two, mode slider 90 is symmetrical arranged。
In order to make rear mode slider 90 successfully from the basal sliding of movable insert 60 near rear mold mold insert 60; when there is the motion away from rear mold mold insert 60 in rear mode slider 90; not completely disengaging from movable insert 60, after maintenance, the end face of mode slider 90 contacts with the bottom surface of movable insert 60。
It is worth mentioning that; in the present embodiment; in order to after maintaining the stable of the position of movable insert 70 and convenience, mode slider 90 slides to rear mold mold insert 60 from the bottom of movable insert 70; the bicolor injection mould of the present embodiment also includes support column 91; support column 91 is arranged on the bottom of movable insert 70; and it is positioned at the homonymy of movable insert 70 with rear mode slider 90; support column 91 is used for supporting movable insert 70; and the gap existed between the bottom surface of movable insert 70 and rear cavity 50 can be maintained so that rear mode slider 90 can slide into the bottom of movable insert 70 smoothly。
Support column 91 can arrange multiple, and multiple support column 91 is symmetricly set on the bottom of movable insert 70。Such as, the support column 91 of the present embodiment is six, and symmetrical on the both sides of movable insert 70。
Owing to the bottom surface of movable insert 70 is inclined-plane, in order to make support column 91 that the support of movable insert 70 is more stable, the position corresponding to support column 91, the bottom of movable insert 70 is additionally provided with groove (not shown), support column 91 inserts in groove, the position of support column 91 is limited, so that support column 91 is more stable to the support of movable insert 70 by groove。
Rear mode slider 90 is provided with holding tank 92 near the side of rear mold mold insert 60; the position of holding tank 92 is corresponding with the position of support column 91; when rear mode slider 90 slides near rear mold mold insert 60 and slides into the position of support column 91; support column 91 is housed inside in holding tank 92; so that rear mode slider 90 slide to rear mold mold insert 60 fully; it is thus possible to closer to the position of rear mold mold insert 60, and then can fully raise movable insert 70 in needs of production。
As it is shown in figure 5, the two ends of movable insert 70 side corresponding with rear mode slider 90 are all downwardly protrude to form limited block 71, with position between mode slider 90 and movable insert 70 after limiting。Rear mode slider 90 near the side of rear mold mold insert 60 two ends towards rear mold mold insert 60 direction protrude formed prerotation vane 93; the outer surface of prerotation vane 93 coordinates with the inner surface of limited block 71 to import between two limited blocks 71 by rear mode slider 90; it is thus possible to the accuracy of track that after ensureing, mode slider 90 slides, and can guarantee that the accurate of para-position between holding tank 92 and support column 91。
Front mold slide 31 in this utility model is all attached with driver with rear mode slider 90, and to drive front mold slide 31 and rear mode slider 90 to slide, driver can be cylinder, the driver that hydraulic cylinder or motor etc. are commonly used in the art。
In addition, breach can also be set according to the actual demand of product in the inner side of the upper surface of movable insert 70, such as, breach 72 in the present embodiment, so that movable insert 70 and first is penetrated there is gap between product 81, so that second penetrates product 82 and penetrate the end of product 81 by first and be also coated on wherein。
In sum, bicolor injection mould of the present utility model can reduce the parting line of product surface, improves the outward appearance of product, and simple in construction of the present utility model, reliable, and operation runs convenient。
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model。
Claims (10)
1. a bicolor injection mould, it is characterised in that include the first front cavity, the second front cavity, rear cavity, rear mold mold insert and movable insert；
Described rear mold mold insert is arranged in described rear cavity, and protruding upward relative to described rear cavity；
Described first front cavity is provided with multiple front mold slide; described front mold slide and described first front cavity are slidably connected; it is peripheral that described front mold slide is positioned at described rear mold mold insert; described front mold slide is gathered for sliding towards described rear mold mold insert when first penetrates molding; to cooperatively form the first cavity of closing with described rear mold mold insert and described first front cavity, first penetrates formed product in described first cavity；
Described movable insert is in the form of a ring, the described movable insert described rear mold mold insert that is slidably located in is peripheral, described movable insert is for the second cavity to cooperatively form closing with described rear mold mold insert and described second front cavity that slides towards the direction of close described second front cavity when second penetrates molding, described second cavity is more than described first cavity, so that described second front cavity and described movable insert and described first penetrate formation gap between product, second penetrates formed product in described gap。
2. bicolor injection mould according to claim 1; it is characterized in that; described bicolor injection mould also includes rear mode slider; described rear mode slider and described rear cavity are slidably connected; and it is positioned at the outside of described movable insert; can there is the slip closer or far from described rear mold mold insert in described rear mode slider, the end face of described rear mode slider is inclined-plane, so that described rear mode slider occurs to drive described movable insert to move up and down during the slip closer or far from described rear mold mold insert。
3. bicolor injection mould according to claim 2, it is characterised in that the bottom surface of described movable insert is inclined-plane, matches with the end face of described rear mode slider in the bottom surface of described movable insert。
4. bicolor injection mould according to claim 3, it is characterised in that described rear mode slider has at least two, and described rear mode slider is symmetrical arranged。
5. bicolor injection mould according to claim 4; it is characterized in that, described bicolor injection mould also includes support column, and described support column is arranged on the bottom of described movable insert; and it being positioned at the homonymy of described movable insert with described rear mode slider, described support column is used for supporting described movable insert。
6. bicolor injection mould according to claim 5, it is characterised in that described support column is provided with multiple, and the plurality of support column is symmetricly set on the bottom of described movable insert。
7. bicolor injection mould according to claim 6, it is characterised in that the bottom of described movable insert is corresponding to being additionally provided with groove on the position of described support column, and described support column inserts in described groove。
8. bicolor injection mould according to claim 7; it is characterized in that; described rear mode slider is provided with holding tank near the side of described rear mold mold insert; the position of described holding tank is corresponding with the position of described support column; when the position of described rear mold skid to described support column, described support column is housed inside in described holding tank。
9. bicolor injection mould according to claim 8, it is characterised in that the two ends of the side that described movable insert is corresponding with described rear mode slider are all downwardly protrude to form limited block, to limit the position between described rear mode slider and described movable insert。
10. bicolor injection mould according to claim 9; it is characterized in that; described rear mode slider near the side of described rear mold mold insert two ends towards described rear mold mold insert direction protrude formed prerotation vane, the outer surface of described prerotation vane coordinates with the inner surface of described limited block to import between two described limited blocks described rear mode slider。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016160.1U CN205326172U (en) | 2015-12-08 | 2015-12-08 | Double -shot injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016160.1U CN205326172U (en) | 2015-12-08 | 2015-12-08 | Double -shot injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205326172U true CN205326172U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521016160.1U Expired - Fee Related CN205326172U (en) | 2015-12-08 | 2015-12-08 | Double -shot injection mould |
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| Country | Link |
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| CN (1) | CN205326172U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415600A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | Double-shot molding mold |
| CN107553818A (en) * | 2017-10-13 | 2018-01-09 | 东莞市宜曼洲电子科技有限公司 | The master mold and Quick Release injection mold of a kind of Quick Release injection mold |
| CN109049537A (en) * | 2018-09-12 | 2018-12-21 | 三威实业（珠海）有限公司 | Secondary injection mould and its working method |
| CN109719908A (en) * | 2019-03-11 | 2019-05-07 | 珠海市春生五金工业有限公司 | Injection mold |
-
2015
- 2015-12-08 CN CN201521016160.1U patent/CN205326172U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415600A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | Double-shot molding mold |
| CN107553818A (en) * | 2017-10-13 | 2018-01-09 | 东莞市宜曼洲电子科技有限公司 | The master mold and Quick Release injection mold of a kind of Quick Release injection mold |
| CN107553818B (en) * | 2017-10-13 | 2024-05-17 | 东莞市宜曼洲电子科技有限公司 | Female die of quick-release injection mold and quick-release injection mold |
| CN109049537A (en) * | 2018-09-12 | 2018-12-21 | 三威实业（珠海）有限公司 | Secondary injection mould and its working method |
| CN109049537B (en) * | 2018-09-12 | 2024-03-22 | 三威实业（珠海）有限公司 | Secondary injection molding die and working method thereof |
| CN109719908A (en) * | 2019-03-11 | 2019-05-07 | 珠海市春生五金工业有限公司 | Injection mold |
| CN109719908B (en) * | 2019-03-11 | 2024-05-03 | 珠海市春生五金工业有限公司 | Injection mold |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20181208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |