CN203844149U - Mould mechanism of pulling-side inclined mould core of inclined guide column - Google Patents
Mould mechanism of pulling-side inclined mould core of inclined guide column Download PDFInfo
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- CN203844149U CN203844149U CN201420282348.XU CN201420282348U CN203844149U CN 203844149 U CN203844149 U CN 203844149U CN 201420282348 U CN201420282348 U CN 201420282348U CN 203844149 U CN203844149 U CN 203844149U
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Abstract
The utility model provides a mould mechanism of a pulling-side inclined mould core of an inclined guide column. The mould mechanism comprises embedding blocks, screws, a positioning ring, a pouring gate sleeve, a fixed mould seat plate, a fixed mould plate, an inclined pressing block, an inclined guide column, a movable mould plate embedding sleeve, a mould core, a limiting block, a mould foot, a movable mould seat plate, a movable mould base plate, a push plate, an ejection rod, a movable mould plate and a slide block, wherein the positioning ring (4) and the pouring gate sleeve (5) are integrated; the positioning ring (4) is fastened on the fixed mould seat plate (6) by one screw (3); the pouring gate sleeve (5) is in sliding clearance fit with holes on the fixed mould seat plate (6) and the pouring gate sleeve (5); the inclined guide column (12) is fastened in an inclined hole of the fixed mould plate (8); the inclined pressing block (10) is fastened on the fixed mould plate (8) by a second screw (9); the first embedding block (1) and the second embedding block (11) are fastened in the fixed mould plate (8). According to the mould mechanism, the difficulties in mould designing and manufacturing processes of products with complicated and special shapes are solved; the mould mechanism is simplified to the greatest extent and great convenience is brought to debugging and maintenance of a mould.
Description
Technical field
The present invention relates to plastic injection moulding mould, is the mold mechanism that Angle Pin is taken out skew back core.
Background technology
On goods sidewall, with the inner/outer hole side different from die sinking direction is recessed, wait to hinder direct demold after product molding, it is movable at this moment moulding side opening or the recessed part of side must to be made, and this part is called side core.They must extract out before the goods demoulding, and then from mould pushing out product, complete the extraction of side core and the mechanism of reset is called undercut core-pulling mechanism.At present, at mould, manufacture boundary, undercut and side core-pulling mechanism have following a few class: (1) is undercut core-pulling mechanism manually, it is after die sinking, rely on manually side core or insert and take out together with goods, at mould, make goods separated with core outward, or before die sinking, rely on artificial directly withdrawing or extract side core out by transmission device.Hand-operated core pulling mechanism, it is simple in structure, easily manufactured, but productivity ratio is low, and the large and withdrawing power of labor strength is subject to manpower restriction.Therefore this mold mechanism can not be produced in enormous quantities, and special circumstances or complex-shaped goods cannot adopt this mechanism to complete to loose core.(2) motor-driven undercut and core-pulling mechanism, rely on the mould opening force of injector when it is die sinking, by driving parts, side core is extracted out.Motor-driven side somatotype and loosing core, there is larger Core-pulling force and Core-pulling distance, production efficiency is high, easy and simple to handle, reliable in action, but mold mechanism is complicated, mould manufacture, installation, debugging, inconvenient maintenance, die manufacturing cycle is long, and die cost is high, can not complete article shape simultaneously and adopt when special or complex-shaped.(3) pneumatic or hydraulic pressure side somatotype and core-pulling mechanism, it is to rely on hydraulic system or pneumatic system to extract side core out.Advantage is stable drive, can hydraulic pressure and pneumatic system be set according to the size of Core-pulling force and the stroke of loosing core, and can obtain larger Core-pulling force and the long stroke of loosing core.Shortcoming be that the auxiliary component of hydraulic cylinder and pneumatic cylinder manufacture to be installed is more, mould volume is large, die cost is high, can not complete the complicated and somatotype in particular cases time of article shape simultaneously and loose core.In order to overcome the problems referred to above, I manufacture and design experience in conjunction with a line for many years, and spy provides following a kind of mold mechanism to solve the problems referred to above.
Summary of the invention
The present invention is to provide the mold mechanism that Angle Pin is taken out skew back core, this model's point is: because goods are large-scale housing plastics, on the sidewall of plastic, there is a boss, on boss, there is the inclined hole being communicated with main body, above boss, there is a square thin slice to become the oblique angle of 30 ° with main body, on square thin slice, have a through hole also to become the oblique angle of 30 ° with main body simultaneously.According to mould, select the principle of die joint, these goods are when selecting die joint, large end with long end is arranged on mould dynamic model and cover half is opened direction, the through hole on the boss on goods sidewall and square sheet are partly arranged on to mould side, can reach like this object of simplification mold mechanism.Simultaneously the pore area on the boss on goods sidewall has and becomes the oblique angle of 30 ° with main body, the complex contour of these goods is special, if adopting manual side-parting core-pulling mechanism to complete this part cannot complete at all, if adopt mechanism's undercut and loose core, hydraulic pressure or air pressure undercut and the somatotype of having loosed core this place with loose core, cause mould structure complicated, mould volume must increase simultaneously, so die cost increases substantially, die manufacturing cycle is long, and mould is installed, debugs, keeps in repair extremely inconvenient.In addition, the clamp force, injection pressure etc. that also relate to injector all must increase according to the volume of mould, the problem that causes production cost to improve.In conjunction with the problems referred to above, this mould adopts Angle Pin band movable slider to complete the somatotype of side and loosing core of inclined hole.It is achieved in that this mould is arranged at mould dynamic model and cover half folding mould direction the large extreme direction of goods, be the large end of goods for endoporus core (27) complete the moulding at this place, the fixed mold for wall (5), first of the large end of goods insert (1) and second insert (11) complete the moulding at this place.Goods small end is arranged on to the side of mould, the boss of goods sidewall and square sheet utilize first insert (1), slide block (30), core (27), moving platen (29) carry out combination forming.Inclined hole on goods boss and the inclined hole on square sheet adopt the first oblique core (15), the second oblique core (14) to complete moulding.After moulding by casting, mould dynamic model and cover half are opened, goods move after with dynamic model and are pulled to dynamic model one side, at this moment the Angle Pin (12) that is arranged on cover half one side forces slide block (30) along the guide runner of offering on moving platen (29) inclined-plane, to do the action of mould lateral direction, action due to slide block (30), be arranged on the first oblique core (15) on slide block (30), the second oblique core (14) is extracted out from the hole of goods side, when the first oblique core (15), the second oblique core (14) completely with goods disengaging after, and ensure behind the gap of 2-3mm, the ejecting mechanism of dynamic model part goods from core (27) outside launch mode.This mold mechanism is of value to and reduces mould manufacture difficulty, is of value to saving die cost, and it is simple in structure, moves solid and reliablely, and pressure transmission is good.Angle Pin is taken out the mold mechanism of skew back core, manual side somatotype and core-pulling mechanism have been solved, production efficiency is low, the problem that labor strength is large, solved motor-driven pusher side somatotype and core-pulling mechanism, the problem of mould structure complexity, has solved hydraulic pressure or air pressure side somatotype and core-pulling mechanism, die cost is high, the bulky problem of mould.Angle Pin is taken out the mold mechanism of skew back core, it is characterized in that: centring ring (4) is set to an integral body with sprue bush (5), it is upper that centring ring (4) is fastened on top clamping plate (6) with the first screw (3), sprue bush (5) and top clamping plate (6), hole on fixed mold (5) becomes glade plane space to coordinate, and Angle Pin (12) is fastened in the inclined hole of solid plate (8), and baroclinic block (10) is fastened on solid plate (8) with the second screw (9) and goes up, first insert (1), second insert (11) be fastened in solid plate (8), described centring ring (4), sprue bush (5), solid plate (8), top clamping plate (6), fixed mold (5), first insert (1), second insert (11), Angle Pin (12), after being communicated with, baroclinic block (10) forms stationary mould for mould part, the first oblique core (15), the second oblique core (14) is fastenedly connected with slide block (30), slide block (30) is arranged in the T-shaped groove on moving platen (29) inclined-plane, limited block (18) is fastened on the lateral surface of moving platen edge cover (13) with the 3rd screw (17), core (27) coordinates with moving platen (29) glade plane space, push rod (26) is fastened in push pedal (24), the front end of described push rod (26) becomes glade plane space to coordinate with the hole on core (27), moving platen (29), dynamic model backing plate (22) is fastenedly connected with the 4th screw (23), dynamic model backing plate (22), mould pin (19), Bottom clamp plate (20) is fastenedly connected with the 5th screw (21), and the inclined hole (16) on described slide block (30) becomes matched in clearance with Angle Pin (12), above-mentioned slide block (30), moving platen (29), core (27), mould pin (19), dynamic model backing plate (22), limited block (18), Bottom clamp plate (20) coordinates and is communicated with the rear dynamic model part that forms mould.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described
Shown in figure
Fig. 1 is the sectional side elevation of mould die sinking situation
Fig. 2 is the sectional side elevation of mould matched moulds situation
In figure, numeral number represents respectively:
1--first 2--the 6th screw 3--the first screw of inserting
4--centring ring 5--sprue bush 6--top clamping plate
7--the 7th screw 8--solid plate 9--the second screw
The 10--baroclinic block 11--second 12--Angle Pin of inserting
The oblique core of the 13--moving platen edge cover oblique core 15--first of 14--second
Inclined hole 17--the 3rd screw on 16--slide block (30)
18--limited block 19--mould pin 20--Bottom clamp plate
21--the 5th screw 22--dynamic model backing plate 23--the 4th screw
24--push pedal 25--injector push rod 26--push rod
Inclined hole on 27--core 28--goods boss
29--moving platen 30--slide block
The specific embodiment:
As shown in the figure, it is the mold mechanism that Angle Pin is taken out skew back core, this model's point is: because goods are large-scale housing plastics, on the sidewall of plastic, there is a boss, on boss, there is the inclined hole being communicated with main body, above boss, there is a square thin slice to become the oblique angle of 30 ° with main body, on square thin slice, have a through hole also to become the oblique angle of 30 ° with main body simultaneously.According to mould, select the principle of die joint, these goods are when selecting die joint, large end with long end is arranged on mould dynamic model and cover half is opened direction, the through hole on the boss on goods sidewall and square sheet are partly arranged on to mould side, can reach like this object of simplification mold mechanism.Hole on boss on goods sidewall becomes the oblique angle of 30 ° with housing body simultaneously, the complex contour of these goods is special, if adopting manual side-parting core-pulling mechanism to complete this part cannot complete at all, if adopt motor-driven undercut and loose core, hydraulic pressure or air pressure undercut and the somatotype of having loosed core this place with loose core, cause mould structure complicated, mould volume must increase simultaneously, so cause die cost to increase substantially, die manufacturing cycle is long, and mould is installed, debugs, keeps in repair extremely inconvenient.In addition, the clamp force, injection pressure etc. that also relate to injector all must increase according to the volume of mould, the problem that causes production cost to improve.In conjunction with the problems referred to above, this mould adopts Angle Pin band movable slider to complete the somatotype of side and loosing core of inclined hole.It is achieved in that this mould is arranged at mould dynamic model and cover half folding mould direction the large extreme direction of goods, be the large end of goods for endoporus core (27) complete the moulding at this place, the fixed mold for wall (5), first of the large end of goods insert (1) and second insert (11) complete the moulding at this place.Goods small end is arranged on to the side of mould, the boss of goods sidewall and square sheet utilize first insert (1), slide block (30), core (27), moving platen (29) carry out combination forming.Inclined hole on goods boss and the inclined hole on square sheet adopt the first oblique core (15), the second oblique core (14) to complete moulding.After moulding by casting, mould dynamic model and cover half are opened, goods move after with dynamic model and are pulled to dynamic model one side, at this moment the Angle Pin (12) that is arranged on cover half one side forces slide block (30) along the inclined guide groove in moving platen (29) inclined-plane, to do the action of mould lateral direction, action due to slide block (30), be arranged on the first oblique core (15) on slide block (30), the second oblique core (14) is extracted out from the hole of goods side, when the first oblique core (15), the second oblique core (14) completely with goods disengaging after, and ensure behind the gap of 2-3mm, the ejecting mechanism of dynamic model part goods from core (27) outside launch mode.This mould operating principle is as follows: when clamping mould is on injector, through moulding by casting, pressurize feeding, after cooling and shaping, mould active and inactive mold part partially opens with cover half from moving platen edge cover (13), now after injector driven mold dynamic model part, move, goods are pulled to dynamic model one side, in the action of opening at this, baroclinic block (10) separates with slide block (30), at this moment Angle Pin (22) forces the sliding action of making mould lateral direction in the inclined guide groove of slide block (30) in moving platen (29), now, be arranged on the first oblique core (15) on slide block (30), the second oblique core (14) is extracted out from the hole of goods, dynamic model moves after partly continuing, at this moment slide block (30) continues to move to mould lateral direction under the effect of Angle Pin (12), inclined hole on goods and the first oblique core (15), after the second oblique core (14) departs from completely, and while ensuring the spacing of 2-3mm, at this moment limited block (18) contacts with slide block (30), limited block (18) is spacing to slide block (30) simultaneously, when the first oblique core (15), after hole on the second oblique core (14) and goods departs from, dynamic model partly stops action, now injector push rod (25) promote push pedal (24) drive push rod (26) goods from core (27) outside launch mode.Complete after a cycle moulding by casting, when mould resets, first be the contrary action while doing die sinking under the effect of injector of mould dynamic model part, at this moment Angle Pin (12) the band movable slider (30) that is arranged on cover half one side is to side direction action in mould, when moving to certain position, baroclinic block (10) contacts with slide block (30), dynamic model continues to reset, force baroclinic block (10) locking sliding block (30), after mould is opened part and resetted completely, injector is just carried out the moulding by casting in next cycle.
Claims (1)
1. Angle Pin is taken out the mold mechanism of skew back core, it is characterized in that: centring ring (4) is set to an integral body with sprue bush (5), it is upper that centring ring (4) is fastened on top clamping plate (6) with the first screw (3), sprue bush (5) and top clamping plate (6), hole on fixed mold (5) becomes glade plane space to coordinate, and Angle Pin (12) is fastened in the inclined hole of solid plate (8), and baroclinic block (10) is fastened on solid plate (8) with the second screw (9) and goes up, first insert (1), second insert (11) be fastened in solid plate (8), described centring ring (4), sprue bush (5), solid plate (8), top clamping plate (6), fixed mold (5), first insert (1), second insert (11), Angle Pin (12), after being communicated with, baroclinic block (10) forms stationary mould for mould part, the first oblique core (15), the second oblique core (14) is fastenedly connected with slide block (30), slide block (30) is arranged in the T-shaped groove on moving platen (29) inclined-plane, limited block (18) is fastened on the lateral surface of moving platen edge cover (13) with the 3rd screw (17), core (27) coordinates with moving platen (29) glade plane space, push rod (26) is fastened in push pedal (24), the front end of described push rod (26) becomes glade plane space to coordinate with the hole on core (27), moving platen (29), dynamic model backing plate (22) is fastenedly connected with the 4th screw (23), dynamic model backing plate (22), mould pin (19), Bottom clamp plate (20) is fastenedly connected with the 5th screw (21), and the inclined hole (16) on described slide block (30) becomes matched in clearance with Angle Pin (12), above-mentioned slide block (30), moving platen (29), core (27), mould pin (19), dynamic model backing plate (22), limited block (18), Bottom clamp plate (20) coordinates and is communicated with the rear dynamic model part that forms mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282348.XU CN203844149U (en) | 2014-05-24 | 2014-05-24 | Mould mechanism of pulling-side inclined mould core of inclined guide column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282348.XU CN203844149U (en) | 2014-05-24 | 2014-05-24 | Mould mechanism of pulling-side inclined mould core of inclined guide column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844149U true CN203844149U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282348.XU Expired - Fee Related CN203844149U (en) | 2014-05-24 | 2014-05-24 | Mould mechanism of pulling-side inclined mould core of inclined guide column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563783A (en) * | 2016-09-19 | 2017-04-19 | 上海晋拓金属制品有限公司 | Die casting die and demolding method thereof |
| CN109664472A (en) * | 2019-01-29 | 2019-04-23 | 集美大学 | Fiberglass reinforced type PBT fine precision injection mold |
-
2014
- 2014-05-24 CN CN201420282348.XU patent/CN203844149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563783A (en) * | 2016-09-19 | 2017-04-19 | 上海晋拓金属制品有限公司 | Die casting die and demolding method thereof |
| CN109664472A (en) * | 2019-01-29 | 2019-04-23 | 集美大学 | Fiberglass reinforced type PBT fine precision injection mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140924 Termination date: 20150524 |
|
| EXPY | Termination of patent right or utility model |