CN203697408U - Angle ejector mechanism for injection mold and injection mold - Google Patents
Angle ejector mechanism for injection mold and injection mold Download PDFInfo
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- CN203697408U CN203697408U CN201320592457.7U CN201320592457U CN203697408U CN 203697408 U CN203697408 U CN 203697408U CN 201320592457 U CN201320592457 U CN 201320592457U CN 203697408 U CN203697408 U CN 203697408U
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- die cavity
- ejector rod
- angle ejector
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- angle
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Abstract
The utility model relates to an angle ejector mechanism for an injection mold and the injection mold. The angle ejector mechanism comprises an angle ejector base, a first angle ejector rod and a second angle ejector rod which are mounted on the angle ejector base and bent, wherein one end of the first angle ejector rod is butted against one end of the second angle ejector rod when the mold is assembled to form a mold cavity for molding an inverted buckle; the other end of the first angle ejector rod and the other end of the second angle ejector rod can be slidingly mounted on the angle ejector base and relatively slide away from each other when the mold is opened; by adopting the angle ejector mechanism, plastic parts with inverted buckles can be conveniently ejected, the size of the whole mold can be reduced, and the mold cost is reduced.
Description
Technical field
The utility model relates to injection mold technical field, relates in particular to a kind of pitched roof mechanism and injection mold of injection mold.
Background technology
Working of plastics is for convenient for assembly, and a lot of working of plastics are injected with back-off in the time of moulding.It is longer that the back-off of existing working of plastics has, and in Injection Mold Design, respective design is also wanted in position corresponding with back-off in mould.If with a lifter ejection working of plastics, because back-off is longer, easily there is sticking to mould in working of plastics in the time of die sinking, is difficult for ejecting working of plastics, and oblique top stroke is larger.The working of plastics that in prior art, injection moulding has a back-off has following two kinds of modes conventionally: 1. mould adopts a lifter ejection working of plastics, and lengthens the length of angle ejector rod; 2. in mould, adopt the mode of slide block to take out back-off.
But adopt the method for the length that lengthens angle ejector rod, intensity and the life-span of not only reducing oblique top, also can increase the whole height of mould, thereby increase the cost of mould.And if adopt the mode injection moulding back-off of slide block, also can increase the length of mould or wide, it is large that the size of mould becomes, and can increase equally the cost of mould.
Utility model content
Main purpose of the present utility model is to provide a kind of pitched roof mechanism and injection mold of injection mold, aims to provide a kind of pitched roof mechanism that conveniently ejects the working of plastics with back-off, and the size of dwindling whole mould reduces die cost.
In order to achieve the above object, the utility model proposes a kind of pitched roof mechanism of injection mold, described pitched roof mechanism comprises tilted footstock, is installed on the first angle ejector rod and the second angle ejector rod on described tilted footstock, that be all bending-like, one end of one end of described the first angle ejector rod and the second angle ejector rod in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding, the other end of the other end of described the first angle ejector rod and the second angle ejector rod is slidably mounted on described tilted footstock, and in the time of die sinking relatively away from slip.
Preferably, described the first angle ejector rod comprises the first die cavity bar and the first stock, and described the first die cavity bar is connected in the outer end place of the first stock, and between described the first die cavity bar and the first stock, shape has angle; Described the second angle ejector rod comprises the second die cavity bar and the second stock, and described the second die cavity bar is connected in the outer end place of the second stock, and between described the second die cavity bar and the second stock, shape has angle;
Described the first die cavity bar and the second die cavity bar in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding.
Preferably, one end of described tilted footstock is horizontally arranged with draw-in groove, the width of described draw-in groove Lower Half is greater than the width of the described draw-in groove first half, the inner of described the first stock is provided with the first buckle matching with described draw-in groove, and the inner of described the second stock is provided with the second buckle matching with described draw-in groove.
Preferably, the quantity of described die cavity is one or more.
The utility model also provides a kind of injection mold, there is the working of plastics of back-off for injection moulding, comprise dynamic model and cover half, on described cover half, be provided with pitched roof mechanism, described pitched roof mechanism comprises tilted footstock, is installed on the first angle ejector rod and the second angle ejector rod on described tilted footstock, that be all bending-like;
Described cover half is provided with for the slot of accommodating described tilted footstock, for the first inclined guide groove of accommodating described the first angle ejector rod and for the second inclined guide groove of accommodating described the second angle ejector rod;
One end of one end of described the first angle ejector rod and the second angle ejector rod in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding, the other end of the other end of described the first angle ejector rod and the second angle ejector rod is slidably mounted on described tilted footstock, and in the time of die sinking relatively away from slip.
Preferably, described the first angle ejector rod comprises the first die cavity bar and the first stock, and described the first die cavity bar is connected in the outer end place of the first stock, and between described the first die cavity bar and the first stock, shape has angle; Described the second angle ejector rod comprises the second die cavity bar and the second stock, and described the second die cavity bar is connected in the outer end place of the second stock, and between described the second die cavity bar and the second stock, shape has angle;
Described the first die cavity bar and the second die cavity bar in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding.
Preferably, one end of described tilted footstock is horizontally arranged with draw-in groove, the width of described draw-in groove Lower Half is greater than the width of the described draw-in groove first half, the inner of described the first stock is provided with the first buckle matching with described draw-in groove, and the inner of described the second stock is provided with the second buckle matching with described draw-in groove.
Preferably, the quantity of described die cavity is one or more.
Preferably, the distance that described die cavity moves along the length direction of described back-off in the time of die sinking is at least the half of the length of described back-off.
The pitched roof mechanism of a kind of injection mold the utility model proposes, by two oblique tops are set on tilted footstock, one end of two oblique tops is to supporting the common die cavity matching with the back-off of working of plastics that forms, the other end is slidably mounted on tilted footstock, for lifter ejection working of plastics of existing use, can avoid in the time of die sinking working of plastics to occur that sticking to mould and monocline push up the problem of thin steel, can increase the service life, eject working of plastics more for convenience, do not need to lengthen the length of oblique top, it is less that the size of whole mould can be done; Than the mode that uses the mode of slide block to take out back-off, the utility model can dwindle the size of whole mould equally, reduces die cost.
Brief description of the drawings
Fig. 1 one has the structural representation of the working of plastics of back-off;
Fig. 2 is the structural representation of the pitched roof mechanism matched moulds of the utility model embodiment injection mold;
Fig. 3 is the structural representation of the pitched roof mechanism die sinking of the utility model embodiment injection mold;
Fig. 4 is the top view that Fig. 2 shows;
Fig. 5 is the decomposition texture schematic diagram of the pitched roof mechanism of the utility model embodiment injection mold;
Fig. 6 is the fragmentary cross-sectional view of the utility model embodiment injection mold.
Detailed description of the invention
Incorporated by reference to consulting Fig. 1, Fig. 2 and Fig. 3, Fig. 1 one has the structural representation of the working of plastics of back-off, Fig. 2 is the structural representation of the pitched roof mechanism matched moulds of the utility model embodiment injection mold, and Fig. 3 is the structural representation of the pitched roof mechanism die sinking of the utility model embodiment injection mold.As shown in Figure 1, the injection mold that the utlity model has pitched roof mechanism has the working of plastics of back-off 41 for injection moulding, but is only not limited to for the working of plastics shown in injection moulding Fig. 1, also can other have the working of plastics of back-off for injection moulding.
There is the working of plastics that the injection mold of the pitched roof mechanism of the present embodiment grows at injection moulding back-off and there is very large advantage, can reduce the size of whole mould, and then reduce die cost.
As shown in Figures 2 and 3, the pitched roof mechanism of the present embodiment comprises tilted footstock 10, is all bending-like the first angle ejector rod 20 and the second angle ejector rod 30, the first angle ejector rods 20 and the second angle ejector rod 30 and is all installed on tilted footstock 10.The first angle ejector rod 20 and both one end of the second angle ejector rod 30 are to supporting the die cavity 40 that is jointly formed for the back-off of molding plastic part, and both other ends are slidably mounted on tilted footstock 10, and in the time of die sinking relatively away from slip.
Wherein, the shape of die cavity 40 matches with the shape of the back-off of the working of plastics of the injection moulding of wanting.As shown in Figure 4, in the time of mould matched moulds, form intact die cavity 40 at the first angle ejector rod 20 and both butt places of the second angle ejector rod 30; When after plastic piece shaping, when mould die sinking, the distance that die cavity 40 moves along the length direction of back-off be at least back-off length half or be a bit larger tham the half of the length of the back-off of working of plastics, can take out working of plastics.
Taking the working of plastics shown in injection moulding Fig. 1 as example, the shape of die cavity 40 is consistent with the shape of back-off 41, and the height of supposing the back-off 41 of working of plastics is 0.7mm, and length is 3.5mm.The first angle ejector rod 20 and the second angle ejector rod 30 are in the time that die sinking ejects working of plastics, and each angle ejector rod only need to move the distance of the half of being a bit larger tham 3.5mm, and mobile 2.0mm just can take out working of plastics.Grow at injection moulding back-off working of plastics time, than lifter ejection working of plastics of existing use, the utility model can avoid in the time of die sinking working of plastics to occur the generation of sticking to mould situation, avoid monocline to push up the problem of thin steel, eject working of plastics more for convenience, do not need to lengthen the length of oblique top, it is less that the size of whole mould can be done, and can increase the service life; Than the mode that uses the mode of slide block to take out back-off, the utility model can dwindle the size of whole mould equally, reduces die cost.
Incorporated by reference to consulting Fig. 5, the first angle ejector rod 20 comprises that the first die cavity bar 202 and the first stock 201, the first die cavity bars 202 are connected in the outer end place of the first stock 201, and between the first die cavity bar 202 and the first stock 201, shape has angle, and this angle is acute angle.
The second angle ejector rod 30 comprises the second die cavity bar 302 and the second stock 301, the second die cavity bar 302 is connected in the outer end place of the second stock 301, between the second die cavity bar 302 and the second stock 301, shape has angle, this angle is acute angle, and with the first die cavity bar 202 and the first stock 201 between the angle of angle that forms identical.In the time of matched moulds, the orthographic projection of the first angle ejector rod 20 and the second angle ejector rod 30 is isosceles triangle.
The first die cavity bar 202 and the second die cavity bar 302 are slidably mounted on tilted footstock 10 supporting the inner of die cavity 40, the first stocks 201 and the inner of the second stock 301 of being jointly formed for moulding back-off in the time of matched moulds, and in the time of die sinking relatively away from slip.
One end of tilted footstock 10 is horizontally arranged with draw-in groove 101, the inner of the first stock 201 is provided with the first buckle 2011 matching with draw-in groove 101, the inner of the second stock 301 be also provided with the second buckle 3011, the first buckles 2011 of matching with draw-in groove 101 and the second buckle 3011 in the time of die sinking on the interior edge of draw-in groove 101 laterally relatively away from slip.
Particularly, in the time of die sinking, tilted footstock 10 upwards promotes, and the first buckle 2011 and the second buckle 3011 are laterally slided on the interior edge of draw-in groove 101.In order to realize the first buckle 2011 and the second buckle 3011 laterally slides on the interior edge of draw-in groove 101, the width that the Lower Half of draw-in groove 101 is set is greater than the width of the first half of draw-in groove 101, and the shape of the first buckle 2011 and the second buckle 3011 all matches with the shape of draw-in groove 101, the width of the Lower Half of the first buckle 2011 and the second buckle 3011 is greater than the width of himself first half.In the time that tilted footstock 10 upwards promotes, draw-in groove 101 blocks the first buckle 2011 and the second buckle 3011 downwards, and the first angle ejector rod 20 and the second angle ejector rod 30 are laterally slided on the interior edge of draw-in groove 101 under the effect at other positions of mould.In order to ensure that the first buckle 2011 and the second buckle 3011 have enough mobile spaces when the die sinking, draw-in groove 101 is set and is greater than the first buckle 2011 and the second buckle 3011 along horizontal length sum along horizontal length.
The pitched roof mechanism of the present embodiment, can arrange one or more die cavitys 40 at the first angle ejector rod 20 and both joints of the second angle ejector rod 30, can realize the Design of Dies of a cavity per mould or a multi-cavity mold.
Can find out by description above: pitched roof mechanism of the present utility model, by two oblique tops are set on tilted footstock, one end of two oblique tops is to supporting the common die cavity matching with the back-off of working of plastics that forms, the other end is slidably mounted on tilted footstock, grow at injection moulding back-off working of plastics time, for lifter ejection working of plastics of existing use, the utility model can avoid in the time of die sinking working of plastics to occur the generation of sticking to mould situation, avoid monocline to push up the problem of thin steel, can increase the service life, eject working of plastics more for convenience, do not need to lengthen the length of oblique top, it is less that the size of whole mould can be done, than the mode that uses the mode of slide block to take out back-off, the utility model can dwindle the size of whole mould equally, reduces die cost.In addition, pitched roof mechanism of the present utility model is applicable to the Design of Dies of a cavity per mould or a multi-cavity mold.
Refer to Fig. 6, Fig. 6 is the fragmentary cross-sectional view of the utility model embodiment injection mold.This injection mold has the working of plastics of back-off for injection moulding, comprise dynamic model (not shown) and cover half 1, on cover half 1, be provided with pitched roof mechanism, pitched roof mechanism comprises tilted footstock 10, is installed on the first angle ejector rod 20 and the second angle ejector rod 30 on tilted footstock 10, that be all bending-like.
Wherein, cover half 1 is provided with for the slot 11 of accommodating tilted footstock 10, for the first inclined guide groove 21 of accommodating the first angle ejector rod 20 and for the second inclined guide groove 31 of accommodating the second angle ejector rod 30, one end of one end of the first angle ejector rod 20 and the second angle ejector rod 30 is jointly formed for the die cavity of moulding back-off to supporting in the time of matched moulds, the other end of the other end of the first angle ejector rod 20 and the second angle ejector rod 30 is slidably mounted on tilted footstock 10, and in the time of die sinking relatively away from slip.
Wherein, in the time of mould matched moulds, the top of slot 11 is reserved with certain activity space; In the time of mould die sinking, tilted footstock 10 upwards promotes, and the first angle ejector rod 20 and the second angle ejector rod 30 also move up respectively under the guiding of the first inclined guide groove 21 and the second inclined guide groove 31, and then die cavity opens, and can take out working of plastics.
Wherein, the shape of die cavity matches with the shape of the back-off of the working of plastics of the injection moulding of wanting.In the time of mould matched moulds, form intact die cavity at the first angle ejector rod 20 and both joints of the second angle ejector rod 30; When after plastic piece shaping, when mould die sinking, the distance that die cavity moves along the length direction of back-off be at least back-off length half or be a bit larger tham the half of the length of the back-off of working of plastics, can take out working of plastics.
The working of plastics that the injection mold of the present embodiment is grown at injection moulding back-off has very large advantage, can reduce the size of whole mould, and then reduces die cost.
The pitched roof mechanism of the present embodiment specifically can be in conjunction with consulting Fig. 2 to Fig. 5, as shown in the figure, the first angle ejector rod 20 comprises the first die cavity bar 202 and the first stock 201, the first die cavity bar 202 is connected in the outer end place of the first stock 201, between the first die cavity bar 202 and the first stock 201, shape has angle, and this angle is acute angle.
The second angle ejector rod 30 comprises the second die cavity bar 302 and the second stock 301, the second die cavity bar 302 is connected in the outer end place of the second stock 301, between the second die cavity bar 302 and the second stock 301, shape has angle, this angle is acute angle, and with the first die cavity bar 202 and the first stock 201 between the angle of angle that forms identical.In the time of matched moulds, the orthographic projection of the first angle ejector rod 20 and the second angle ejector rod 30 is isosceles triangle.
The first die cavity bar 202 and the second die cavity bar 302 are slidably mounted on tilted footstock 10 supporting the inner of die cavity 40, the first stocks 201 and the inner of the second stock 301 of being jointly formed for moulding back-off in the time of matched moulds, and in the time of die sinking relatively away from slip.
One end of tilted footstock 10 is horizontally arranged with draw-in groove 101, the inner of the first stock 201 is provided with the first buckle 2011 matching with draw-in groove 101, the inner of the second stock 301 be also provided with the second buckle 3011, the first buckles 2011 of matching with draw-in groove 101 and the second buckle 3011 in the time of die sinking on the interior edge of draw-in groove 101 laterally relatively away from slip.
Particularly, in the time of die sinking, tilted footstock 10 upwards promotes, and the first buckle 2011 and the second buckle 3011 are laterally slided on the interior edge of draw-in groove 101.In order to realize the first buckle 2011 and the second buckle 3011 laterally slides on the interior edge of draw-in groove 101, the width that the Lower Half of draw-in groove 101 is set is greater than the width of the first half of draw-in groove 101, and the shape of the first buckle 2011 and the second buckle 3011 all matches with the shape of draw-in groove 101, the width of the Lower Half of the first buckle 2011 and the second buckle 3011 is greater than the width of himself first half.In the time that tilted footstock 10 upwards promotes, draw-in groove 101 blocks the first buckle 2011 and the second buckle 3011 downwards, and the first angle ejector rod 20 and the second angle ejector rod 30 are laterally being slided on the interior edge of draw-in groove 101 respectively under the guide effect of the first inclined guide groove 21 and the second inclined guide groove 31.In order to ensure that the first buckle 2011 and the second buckle 3011 have enough mobile spaces when the die sinking, draw-in groove 101 is set and is greater than the first buckle 2011 and the second buckle 3011 along horizontal length sum along horizontal length.
The injection mold of the present embodiment, can arrange one or more die cavitys 40, can realize the Design of Dies of a cavity per mould or a multi-cavity mold.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the utility model, any amendment of doing within all spirit in utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the pitched roof mechanism of an injection mold, it is characterized in that, described pitched roof mechanism comprises tilted footstock, is installed on the first angle ejector rod and the second angle ejector rod on described tilted footstock, that be all bending-like, one end of one end of described the first angle ejector rod and the second angle ejector rod is jointly formed for the die cavity of moulding back-off to supporting in the time of matched moulds, the other end of the other end of described the first angle ejector rod and the second angle ejector rod is slidably mounted on described tilted footstock, and in the time of die sinking relatively away from slip.
2. pitched roof mechanism according to claim 1, is characterized in that, described the first angle ejector rod comprises the first die cavity bar and the first stock, and described the first die cavity bar is connected in the outer end place of the first stock, and between described the first die cavity bar and the first stock, shape has angle; Described the second angle ejector rod comprises the second die cavity bar and the second stock, and described the second die cavity bar is connected in the outer end place of the second stock, and between described the second die cavity bar and the second stock, shape has angle;
Described the first die cavity bar and the second die cavity bar in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding.
3. pitched roof mechanism according to claim 2, it is characterized in that, one end of described tilted footstock is horizontally arranged with draw-in groove, the width of described draw-in groove Lower Half is greater than the width of the described draw-in groove first half, the inner of described the first stock is provided with the first buckle matching with described draw-in groove, and the inner of described the second stock is provided with the second buckle matching with described draw-in groove.
4. pitched roof mechanism according to claim 1 and 2, is characterized in that, the quantity of described die cavity is one or more.
5. an injection mold, the working of plastics for injection moulding with back-off, comprises dynamic model and cover half, on described cover half, is provided with pitched roof mechanism, it is characterized in that, described pitched roof mechanism comprises tilted footstock, is installed on the first angle ejector rod and the second angle ejector rod on described tilted footstock, that be all bending-like;
Described cover half is provided with for the slot of accommodating described tilted footstock, for the first inclined guide groove of accommodating described the first angle ejector rod and for the second inclined guide groove of accommodating described the second angle ejector rod;
One end of one end of described the first angle ejector rod and the second angle ejector rod in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding, the other end of the other end of described the first angle ejector rod and the second angle ejector rod is slidably mounted on described tilted footstock, and in the time of die sinking relatively away from slip.
6. injection mold according to claim 5, is characterized in that, described the first angle ejector rod comprises the first die cavity bar and the first stock, and described the first die cavity bar is connected in the outer end place of the first stock, and between described the first die cavity bar and the first stock, shape has angle; Described the second angle ejector rod comprises the second die cavity bar and the second stock, and described the second die cavity bar is connected in the outer end place of the second stock, and between described the second die cavity bar and the second stock, shape has angle;
Described the first die cavity bar and the second die cavity bar in the time of matched moulds to supporting the die cavity that is jointly formed for back-off described in moulding.
7. injection mold according to claim 6, it is characterized in that, one end of described tilted footstock is horizontally arranged with draw-in groove, the width of described draw-in groove Lower Half is greater than the width of the described draw-in groove first half, the inner of described the first stock is provided with the first buckle matching with described draw-in groove, and the inner of described the second stock is provided with the second buckle matching with described draw-in groove.
8. according to the injection mold described in claim 5 or 6, it is characterized in that, the quantity of described die cavity is one or more.
9. injection mold according to claim 8, is characterized in that, the distance that described die cavity moves along the length direction of described back-off in the time of die sinking is at least the half of the length of described back-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592457.7U CN203697408U (en) | 2013-09-24 | 2013-09-24 | Angle ejector mechanism for injection mold and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592457.7U CN203697408U (en) | 2013-09-24 | 2013-09-24 | Angle ejector mechanism for injection mold and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697408U true CN203697408U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320592457.7U Expired - Fee Related CN203697408U (en) | 2013-09-24 | 2013-09-24 | Angle ejector mechanism for injection mold and injection mold |
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| CN (1) | CN203697408U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859112A (en) * | 2015-06-15 | 2015-08-26 | 宁波工程学院 | Dual-inclined ejecting split type ejection mechanism for injection mold |
| CN105946180A (en) * | 2016-07-06 | 2016-09-21 | 健大电业制品（昆山）有限公司 | Injection mold with gripper self-separation structure |
| CN109501162A (en) * | 2018-12-11 | 2019-03-22 | 无锡龙光电科技有限公司 | Process the mold of VCM motor plastic components carrier |
| CN109501162B (en) * | 2018-12-11 | 2024-04-26 | 无锡一龙光电科技有限公司 | Mould for processing VCM motor plastic part carrier |
-
2013
- 2013-09-24 CN CN201320592457.7U patent/CN203697408U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859112A (en) * | 2015-06-15 | 2015-08-26 | 宁波工程学院 | Dual-inclined ejecting split type ejection mechanism for injection mold |
| CN105946180A (en) * | 2016-07-06 | 2016-09-21 | 健大电业制品（昆山）有限公司 | Injection mold with gripper self-separation structure |
| CN109501162A (en) * | 2018-12-11 | 2019-03-22 | 无锡龙光电科技有限公司 | Process the mold of VCM motor plastic components carrier |
| CN109501162B (en) * | 2018-12-11 | 2024-04-26 | 无锡一龙光电科技有限公司 | Mould for processing VCM motor plastic part carrier |
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Granted publication date: 20140709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |