CN103395174B - A kind of mould core pulling mechanism with high-axiality taper light modulation gear - Google Patents
A kind of mould core pulling mechanism with high-axiality taper light modulation gear Download PDFInfo
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- CN103395174B CN103395174B CN201310316165.5A CN201310316165A CN103395174B CN 103395174 B CN103395174 B CN 103395174B CN 201310316165 A CN201310316165 A CN 201310316165A CN 103395174 B CN103395174 B CN 103395174B
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- light modulation
- slide block
- taper light
- modulation gear
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Abstract
The invention provides a kind of mould core pulling mechanism with high-axiality taper light modulation gear, comprise dynamic model, cover half, assembly of loosing core; Dynamic model is fixed with moving die insert, cover half is fixed with fixed die insert, fixed die insert is provided with first die cavity on the top for shaping taper light modulation gear wheel, and the top of the first die cavity is connected with cast gate; Assembly of loosing core comprises large slide block, loose plug and Angle Pin; Large slide block is placed on dynamic model, loose plug is placed on large slide block, and large slide block is provided with the first slanting guide pillar hole, and loose plug is provided with the second slanting guide pillar hole, one end of Angle Pin is connected with the Angle Pin briquetting be fixed on cover half, and the other end is through the first slanting guide pillar hole and the second slanting guide pillar hole; Assembly of loosing core has two groups and is symmetrical arranged.Gate location of the present invention is arranged on the top of die cavity, can realize from top to bottom pouring into a mould, and makes the taper light modulation gear wheel shaping part obtained have high-axiality, and avoids the cast of existing employing side to cause quality of item defect.
Description
Technical field
The invention belongs to technical field of mold, be specifically related to a kind of mould core pulling mechanism with high-axiality taper light modulation gear.
Background technology
Along with the development of Domestic Automotive Industry, also more and more higher to the requirement of car mass, function.Present most of car light all has automatic dimming function, brings great convenience to driving at night; When driving at night, the change of direction of traffic, car bulb can followed by and rotate together.Automobile lamp has dimming function and be unable to do without associated core part: taper light modulation gear.
Due to the core part that taper light modulation gear is intelligent automotive light, very high to the quality requirement of product.Usually the raw material injection moulding taper light modulation gear of fiber reinforcement PA66 is adopted in current industry, the performance indications such as the mechanical property of glass fiber reinforcement PA66 and shrinkage factor are very excellent, but because the length dimension of glass fibre is far longer than radial dimension, glass fiber reinforcement PA66 shows larger anisotropic properties in mechanical property and shrinkage factor etc., but, due to the design feature (as shown in Figure 1) of taper light modulation gear, existing Tool and Die Technology can only adopt side gate to carry out injection moulding, the interior mechanics performance of injection-molded item will inevitably be caused uneven, greatly have impact on the working strength of product.Product strength is lower, is difficult to meet the requirement used, and what cause automobile lamp turns to inefficacy, causes the potential safety hazard of driving.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of mould core pulling mechanism with the taper light modulation gear of high-axiality, adopt the present invention, the gate location of mould can be arranged on conical tooth top, from top to bottom pour into a mould, and the product of injection mo(u)lding of the present invention has high-axiality, avoid existing employing side and pour into a mould the quality of item defect caused.
For achieving the above object, the technical solution used in the present invention is as follows:
There is a mould core pulling mechanism for high-axiality taper light modulation gear, comprise dynamic model, cover half, assembly of loosing core; Wherein, described dynamic model is fixed with moving die insert, described cover half is fixed with fixed die insert, described moving die insert and described fixed die insert are oppositely arranged, described fixed die insert is provided with first die cavity on the top for shaping taper light modulation gear wheel, and the top of described first die cavity is connected with cast gate;
Described assembly of loosing core comprises large slide block, loose plug and Angle Pin; Described large slide block is placed on dynamic model, described loose plug is placed on large slide block, described large slide block is provided with the first slanting guide pillar hole, described loose plug is provided with the second slanting guide pillar hole, one end of Angle Pin is connected with the Angle Pin briquetting be fixed on cover half, and the other end is through described first slanting guide pillar hole and the second slanting guide pillar hole;
Described assembly of loosing core has two groups and is symmetrical arranged, and formed between two groups of loose plugs be used for shaping conical tooth the second die cavity, form the 3rd die cavity being used for shaping taper light modulation gear wheel bottom described in two groups between large slide block;
Described first die cavity, the second die cavity set gradually up and down with the 3rd die cavity and are communicated with, and form the die cavity of complete shaping taper light modulation gear wheel.
Further, the number of described die cavity and described cast gate is two.
Further, the top of described large slide block is set to two parts, a part is set to inclined-plane, another part is set to projection, and described inclined-plane and described projection are integral type to be arranged, described projection is in the one end away from die cavity, and described inclined-plane is downward-sloping to the side being provided with die cavity, and the top of described large slide block is provided with T-shaped gib block;
Chamfered portion on the bottom of described loose plug and large slide block is equipped with, and the bottom of described loose plug is provided with chute; Described T-shaped gib block on described large slide block is placed in the described chute of described loose plug.
Further, the shape of described first slanting guide pillar hole is circular, and the shape of described second slanting guide pillar hole is Long Circle.
Further, described loose plug is provided with the position-limit mechanism for limiting described loose plug sliding distance on described large slide block.
Further, described position limiting structure comprises the second position-limitting pin and the second spacer pin nail, described second spacer pin nail is arranged on described loose plug, and described second position-limitting pin is settled in described second spacer pin nail, and described second position-limitting pin bottom is connected with described T-shaped gib block.
Further, the shape of described second spacer pin nail is Long Circle.
Further, return spring is provided with between described large slide block and described loose plug.
Further, described loose plug is connected with stop mechanism, and described stop mechanism comprises locking pin and latch nail, and described latch nail is arranged on described loose plug, the head of described locking pin is fixed on described Angle Pin briquetting, and afterbody is placed in described latch nail.
Further, described dynamic model is provided with the first position-limitting pin for limiting large slide block transverse shifting distance.
The invention has the beneficial effects as follows:
(1) gate location of the present invention is arranged on the top of taper light modulation gear wheel die cavity, can realize from top to bottom pouring into a mould, make the taper light modulation gear wheel shaping part obtained have high-axiality, and avoids the cast of existing employing side to cause quality of item defect.
(2) the present invention adopt assembly of loosing core, the horizontal demoulding that can realize the bottom of taper light modulation gear and taper light modulation gear the vertical demoulding of conical tooth.
Accompanying drawing explanation
Fig. 1 is the structural representation of taper light modulation gear;
Fig. 2 is a kind of structural representation with the mould core pulling mechanism of high-axiality taper light modulation gear provided by the invention;
Fig. 3 is the decomposing state figure of large slide block provided by the invention and loose plug;
Fig. 4 is the assembled state figure of large slide block provided by the invention and loose plug;
Fig. 5 is the state diagram of the present invention when the cone tooth demoulding completing taper light modulation gear;
Fig. 6 is the state diagram of the present invention when the complete demoulding of taper light modulation gear.
Wherein, 1 cover half fixed head, 2 dynamic mould fixing plates, 3 dynamic models, 4 cover half, 42 sprue bush, 31 moving die inserts, 41 fixed die inserts, 5 taper light modulation gears, 51 taper light modulation gear tops, 52 conical tooths, 53 conical tooth necks, 54 taper light modulation gear bottoms, 6 large slide blocks, 60 is protruding, 61 wear-resistant blocks, 62 T-shaped gib blocks, 63 first slanting guide pillar holes, 64 return springs, pin held up by 65 springs, 66 screws, 67 first position-limitting pins, 7 loose plugs, 71 second position-limitting pins, 72 locking pins, 73 second slanting guide pillar holes, 74 second spacer pin nail, 75 latch nail, 8 Angle Pins, 81 Angle Pin briquettings.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the structural representation of taper light modulation gear, wherein left figure and right figure represents the taper light modulation gear of turned upside down respectively, and it mainly comprises three parts: taper light modulation gear top 51, conical tooth 52 and taper light modulation gear bottom 54 (comprising the conical tooth neck 53 being positioned at conical tooth 52 bottom); Conical tooth 52 is due to circle distribution, so conical tooth 52 can not the horizontal demoulding, taper light modulation gear bottom 54 can realize the horizontal demoulding after cutting open from centre.
Present embodiments provide a kind of mould core pulling mechanism with the taper light modulation gear of high-axiality, as shown in Figure 2, it mainly comprises dynamic model 3, cover half 4, assembly of loosing core; Wherein, dynamic model 3 is fixed with moving die insert 31, cover half 4 is fixed with fixed die insert 41, moving die insert 31 and fixed die insert 41 are oppositely arranged, fixed die insert 41 is provided with first die cavity on the top for shaping taper light modulation gear wheel, the top of the first die cavity is connected with cast gate, and the outside of cast gate is provided with sprue bush 42.
Assembly of loosing core comprises large slide block 6, loose plug 7 and Angle Pin 8; Large slide block 6 is placed on dynamic model 3, loose plug 7 is placed on large slide block 6 slidably, large slide block 6 is provided with the first slanting guide pillar hole 63, loose plug 7 is provided with the second slanting guide pillar hole 73, one end of Angle Pin 8 is connected with the Angle Pin briquetting 81 be fixed on cover half 4, and the other end is through the first slanting guide pillar hole 63 and the second slanting guide pillar hole 73.
Assembly of loosing core has two groups and is symmetrical arranged, and forms the 3rd die cavity being formed between the second die cavity being used for shaping conical tooth, two groups of large slide blocks 6 and be used for shaping taper light modulation gear wheel bottom between two groups of loose plugs 7;
First die cavity, the second die cavity set gradually up and down with the 3rd die cavity and are communicated with, and form the die cavity of complete shaping taper light modulation gear wheel.
As shown in Figure 3 and Figure 4, the top of large slide block 6 is set to two parts, and a part is set to inclined-plane, another part is set to protruding 60, and inclined-plane and protruding 60 is integral type setting, and protruding 60 are in the one end away from die cavity, and inclined-plane is downward-sloping towards the side being provided with die cavity.Large slide block is fixed the T-shaped gib block 62 of two transverse directions.
Chamfered portion on the bottom of loose plug 7 and large slide block 6 is equipped with, and namely the bottom of loose plug 7 is set to the incline direction inclined-plane contrary with the inclined-plane incline direction on large slide block 6.Loose plug 7 is provided with the chute of two transverse directions, and two on large slide block 6 T-shaped gib blocks 62 are placed in the chute of loose plug 7 respectively, and loose plug 7 is slided along T-shaped gib block 62 relative to large slide block 6.
As a preferred embodiment of the present invention, the number of the above-mentioned die cavity for shaping taper light modulation gear wheel is two, and such injection cycle just can complete 2 angular wheel profiled members.
As a preferred embodiment of the present invention, the shape of the first slanting guide pillar hole 63 is circular, and the shape of described second slanting guide pillar hole 73 is Long Circle.
As a preferred embodiment of the present invention, loose plug 7 is provided with the position-limit mechanism for restraint insert 7 sliding distance on large slide block 6.Position-limit mechanism is preferably the second position-limitting pin 71 and the second spacer pin nail 74, second spacer pin nail 74 is arranged on loose plug 7, second position-limitting pin 71 is placed in the second spacer pin nail 74, and the bottom of the second position-limitting pin 71 is connected with T-shaped gib block 62; The shape of the second spacer pin nail 74 is Long Circle.
As a preferred embodiment of the present invention, loose plug 7 is connected with stop mechanism, and stop mechanism comprises locking pin 72 and latch nail 75, and the head of locking pin 72 is fixed on Angle Pin briquetting 81, tail end is placed in latch nail 75, and the shape of latch nail 75 is circular.
As a preferred embodiment of the present invention, projection 60 and loose plug 7, by return spring 64, connect, and return spring 64 is provided with spring with protruding 60 one end be connected and holds up pin 65.
As a preferred embodiment of the present invention, large slide block 6 is being fixed with wear-resistant block 61 with the contrary side of die cavity by screw 66.
As a preferred embodiment of the present invention, dynamic model 3 is provided with the first position-limitting pin 67 for limiting the horizontal sliding distance of large slide block 6.
A kind of specifically process of loosing core with the mould core pulling mechanism of the taper light modulation gear of high-axiality that the present embodiment provides is:
1) after injection moulding completes, mould is opened, dynamic model 3 is drop-down, taper light modulation gear wheel shaping part moves down along with dynamic model 3, fixed die insert 41 (the shaping insert in top of taper light modulation gear) is owing to being fixed on cover half 4, drop-down along with dynamic model 4, fixed die insert 41 departs from taper light modulation gear wheel shaping part, namely completes the top demoulding of taper light modulation gear wheel shaping part.
2) while mould is opened, under the effect of Angle Pin 8, two groups of large slide blocks 6 of loosing core on assembly laterally shift out in the opposite direction, just can complete the bottom demoulding of taper light modulation gear wheel shaping part.
3) while large slide block laterally shifts out, because locking pin 72 is also in the latch nail 75 of loose plug 7, Gu loose plug 7 can not move by transverse shifting, between loose plug 7 and large slide block 6, just transversion malposition can be produced.Loose plug 7 must be slided on large slide block 6 by T-shaped gib block 62, the return spring 64 and loose plug 7 stretches, and due to the ramp structure on large slide block 6 top, Gu loose plug 7 meeting vertical drop, when loose plug 7 vertical drop is to neck 53 position of taper light modulation gear, now, effect due to the position-limit mechanism on loose plug 7 makes loose plug 7 stop moving down (it is spacing that the distance that loose plug 7 vertically moves down relies on the second position-limitting pin 71 to move in waist type second position-limitting pin 74 hole), and the distance that loose plug 7 vertically moves down equals the degree of depth of locking pin 72 in latch nail 75 (state now as shown in Figure 5).
4) after locking pin 72 departs from latch nail 75, the return spring 64 that loose plug 7 is stretched is horizontal retracts position, make its projection 60 on large slide block 6, simultaneously also make loose plug 7 away from taper light modulation gear wheel shaping part, finally complete the demoulding (state now as shown in Figure 6) of conical tooth.
5), after the demoulding, injection machine promotes ejector retainner plate by top rod and moves forward, by product from mold ejection.
To sum up, the gate location with the mould core pulling mechanism of the taper light modulation gear of high-axiality of the present invention is arranged on the top of taper light modulation gear wheel die cavity, can realize from top to bottom pouring into a mould, make the taper light modulation gear wheel shaping part obtained have high-axiality, and avoid the cast of existing employing side to cause quality of item defect.The vertical demoulding of the assembly of loosing core that the present invention adopts, the conical tooth of the horizontal demoulding that can realize the bottom of taper light modulation gear and taper light modulation gear.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the claims in the present invention.
Claims (10)
1. there is a mould core pulling mechanism for high-axiality taper light modulation gear, it is characterized in that, comprise dynamic model, cover half, assembly of loosing core; Wherein,
Described dynamic model is fixed with moving die insert, described cover half is fixed with fixed die insert, described moving die insert and described fixed die insert are oppositely arranged, and described fixed die insert is provided with first die cavity on the top for shaping taper light modulation gear wheel, and the top of described first die cavity is connected with cast gate;
Described assembly of loosing core comprises large slide block, loose plug and Angle Pin; Described large slide block is placed on dynamic model, described loose plug is placed on large slide block, described large slide block is provided with the first slanting guide pillar hole, described loose plug is provided with the second slanting guide pillar hole, one end of Angle Pin is connected with the Angle Pin briquetting be fixed on cover half, and the other end is through described first slanting guide pillar hole and the second slanting guide pillar hole;
Described assembly of loosing core has two groups and is symmetrical arranged, and formed between two groups of loose plugs be used for shaping conical tooth the second die cavity, form the 3rd die cavity being used for shaping taper light modulation gear wheel bottom described in two groups between large slide block;
Described first die cavity, the second die cavity set gradually up and down with the 3rd die cavity and are communicated with, and form the die cavity of complete shaping taper light modulation gear wheel.
2. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 1, it is characterized in that, the number of described die cavity and described cast gate is respectively two.
3. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 2, it is characterized in that, the top of described large slide block is set to two parts, a part is set to inclined-plane, another part is set to projection, and described inclined-plane and described projection are integral type setting, and described projection is in the one end away from die cavity, described inclined-plane is downward-sloping to the side being provided with die cavity, and the top of described large slide block is provided with T-shaped gib block;
Chamfered portion on the bottom of described loose plug and large slide block is equipped with, and the bottom of described loose plug is provided with chute; Described T-shaped gib block on described large slide block is placed in the described chute of described loose plug.
4. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 3, is characterized in that, the shape of described first slanting guide pillar hole is circular, and the shape of described second slanting guide pillar hole is Long Circle.
5. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 4, is characterized in that, described loose plug is provided with the position-limit mechanism for limiting described loose plug sliding distance on described large slide block.
6. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 5, it is characterized in that, described position-limit mechanism comprises the second position-limitting pin and the second spacer pin nail, described second spacer pin nail is arranged on described loose plug, described second position-limitting pin is settled in described second spacer pin nail, and described second position-limitting pin bottom is connected with described T-shaped gib block.
7. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 6, is characterized in that, the shape of described second spacer pin nail is Long Circle.
8. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 7, is characterized in that, be provided with return spring between described large slide block and described loose plug.
9. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 8, it is characterized in that, described loose plug is connected with stop mechanism, described stop mechanism comprises locking pin and latch nail, described latch nail is arranged on described loose plug, the head of described locking pin is fixed on described Angle Pin briquetting, and afterbody is placed in described latch nail.
10. a kind of mould core pulling mechanism with high-axiality taper light modulation gear according to claim 9, is characterized in that, described dynamic model is provided with the first position-limitting pin for limiting large slide block transverse shifting distance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316165.5A CN103395174B (en) | 2013-07-25 | 2013-07-25 | A kind of mould core pulling mechanism with high-axiality taper light modulation gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310316165.5A CN103395174B (en) | 2013-07-25 | 2013-07-25 | A kind of mould core pulling mechanism with high-axiality taper light modulation gear |
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| CN103395174A CN103395174A (en) | 2013-11-20 |
| CN103395174B true CN103395174B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104044247B (en) * | 2014-06-12 | 2016-04-06 | 泰德兴精密电子（昆山）有限公司 | Be applicable to the mould producing annular damper |
| CN106346707B (en) * | 2016-10-26 | 2019-04-09 | 东莞禾盈通用零部件有限公司 | A kind of car lamp light regulating bolt and its manufacturing method |
| CN106402125B (en) * | 2016-10-26 | 2019-03-26 | 东莞禾盈通用零部件有限公司 | A kind of car light light regulating bolt and its manufacturing method |
| CN111331789B (en) * | 2020-03-13 | 2021-11-19 | 上海希荷精密模具有限公司 | Injection mold of gear piece |
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| CN201416844Y (en) * | 2009-05-22 | 2010-03-03 | 上海小糸车灯有限公司 | Plastic light-intensity adjusting bolt for tilting reflecting mirror in automotive head light |
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| JP2005205807A (en) * | 2004-01-26 | 2005-08-04 | Seiko Epson Corp | Mold for injection molding |
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|---|---|---|---|---|
| CN201416844Y (en) * | 2009-05-22 | 2010-03-03 | 上海小糸车灯有限公司 | Plastic light-intensity adjusting bolt for tilting reflecting mirror in automotive head light |
| CN102358003A (en) * | 2011-07-29 | 2012-02-22 | 宁波双林模具有限公司 | Rotary core loosing and demoulding device for transverse thread slug of injection mold |
| CN202291352U (en) * | 2011-10-08 | 2012-07-04 | 牟维军 | Slipper inclined press block-inclined guide post side core pulling mechanism |
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Address after: 215431 Taicang City, Jiangsu province Liuhe Town Road No. 228 to 1 buildings, 2 buildings Patentee after: Taicang Branch precision molding Limited by Share Ltd Address before: Liuhe Xinzha village in Taicang city Suzhou city Jiangsu province 215413 Patentee before: Keyi precision molding (Taicang) Co., Ltd. |