CN203580031U - Side core-pulling mechanism and injection mould - Google Patents
Side core-pulling mechanism and injection mould Download PDFInfo
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- CN203580031U CN203580031U CN201320576757.6U CN201320576757U CN203580031U CN 203580031 U CN203580031 U CN 203580031U CN 201320576757 U CN201320576757 U CN 201320576757U CN 203580031 U CN203580031 U CN 203580031U
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- side wall
- storage tank
- hole
- mandrel
- pulling mechanism
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Abstract
The utility model discloses a side core-pulling mechanism which comprises a fixed mould and a movable mould, wherein a holding groove is formed in the upper surface of the fixed mould, the left side wall of the holding groove is an inclined surface which is gradually outward from the bottom of the holding groove to the top, the movable mould is provided with a lug boss, a cavity is formed between the right side wall of the lug boss and the right side wall of the holding groove, the left side wall of the lug boss is clung to the left side wall of the holding groove, a through hole running through the lug boss is formed in the lug boss, the through hole comprises a left hole part connected with the left side wall of the holding groove and a right hole part communicated with the cavity, the hole diameter of the left hole part is greater than that of the right hole part, a clamping hole is formed between the left hole part and the right hole part, a side mandrel running through the through hole from the left side to be inserted into the cavity is arranged in the movable mould, the right end of the side mandrel is inserted into the cavity, the left end of the side mandrel is clung to the left side wall of the holding groove, and an elastic member arranged along the axial direction of the side mandrel is arranged between the side mandrel and the clamping hole. According to the side core-pulling mechanism disclosed by the utility model, elastic force of the elastic member is used for replacing an oil cylinder to be used as a power of side core-pulling, thus the structure is simplified and the cost is lowered.
Description
Technical field
The utility model relates to injection mold technical field, relates in particular to a kind of side core-pulling mechanism of realizing by spring and injection mold.
Background technology
In the side core-drawing mechanism of existing injection mold, the little back-off separated demolding of the side direction mandrel in dynamic model and product generally adopts mechanism's mandrels such as bullet piece, slide block, oil cylinder to realize, and the little back-off separated demolding of the side direction mandrel in cover half and product goes out by oblique top or side slide block is realized; But the parts that said structure comprises and connector, power drive part, also has locking member etc., make that parts are quite a lot of, structure is quite complicated, manufacturing cost is higher, wherein especially the highest with the pulled core structure cost of hydraulic oil cylinder driving, assembling process is also more loaded down with trivial details, but also often little back-off easy and product tangles, and causes the demoulding to have some setbacks.
Utility model content
Main purpose of the present utility model is to make up above-mentioned defect, the injection mold that a kind of side core-pulling mechanism of realizing by spring is provided and comprises this side core-pulling mechanism.
For achieving the above object, the utility model provides a kind of side core-pulling mechanism, comprises fixed half and moving half, and this cover half upper surface has storage tank, and the left side wall of described storage tank is gradually towards the setting of left-oblique inclined-plane from described storage tank bottom to top;
Described dynamic model is provided with the projection with described storage tank adaptation, between the right side wall of this projection and the right side wall of described storage tank, forms die cavity, and the left side wall of described projection and the laminating of the left side wall of described storage tank arrange;
In described projection, be also provided with the through hole that is through to right side wall from the left side wall of this projection, the right hole portion that this through hole comprises the left hole portion being connected with the left side wall of described storage tank and is communicated with described die cavity; Wherein, the aperture of described left hole portion is greater than the aperture of right hole portion, and and right hole portion between form a snap openings;
In described dynamic model, be provided with and from left side, run through described through hole to the side mandrel inserting in described die cavity, the right-hand member of this side mandrel inserts in described die cavity, left end is fitted with described storage tank left side wall; Between described side mandrel and described snap openings, be also provided with the elastic component arranging along this side mandrel axial direction.
Preferably, described cover half is provided with and from described cover half lower end, is through to the push rod being connected in described storage tank and with described projection.
Preferably, to insert the part in described die cavity be along inserting the direction of the described die cavity inclined-plane that dips down to the upper surface of described side mandrel.
Preferably, described inclined plane is plane, and the angle of this plane and vertical direction is less than the angle of described storage tank left side wall and vertical direction.
Preferably, described elastic component is spring or elastic damper.
The utility model further also proposes a kind of injection mold, comprise side core-pulling mechanism, this side core-pulling mechanism comprises fixed half and moving half, and this cover half upper surface has storage tank, and the left side wall of described storage tank is gradually towards the setting of left-oblique inclined-plane from described storage tank bottom to top;
Described dynamic model is provided with the projection with described storage tank adaptation, between the right side wall of this projection and the right side wall of described storage tank, forms die cavity, and the left side wall of described projection and the laminating of the left side wall of described storage tank arrange;
In described projection, be also provided with the through hole that is through to right side wall from the left side wall of this projection, the right hole portion that this through hole comprises the left hole portion being connected with the left side wall of described storage tank and is communicated with described die cavity; Wherein, the aperture of described left hole portion is greater than the aperture of right hole portion, and and right hole portion between form a snap openings;
In described dynamic model, be provided with and from left side, run through described through hole to the side mandrel inserting in described die cavity, the right-hand member of this side mandrel inserts in described die cavity, left end is fitted with described storage tank left side wall; Between described side mandrel and described snap openings, be also provided with the elastic component arranging along this side mandrel axial direction.
Above-mentioned side core-pulling mechanism of the present utility model and injection mold, the power that adopts the elastic force of elastic component to extract out as the side direction of injection mold side mandrel, the mode that bullet piece, slide block, oil cylinder, the oblique top of comparing the little back-off separated demolding of existing side direction mandrel and product goes out or side slide block etc. is extracted out, structure greatly simplified the pulled core structure of hydraulic oil cylinder driving, reduced cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the side core-pulling mechanism of the utility model preferred embodiments;
Fig. 2 is the structural representation of projection in Fig. 1;
Fig. 3 is the structural representation of the side core-pulling mechanism of another embodiment of the utility model.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model proposes side core-pulling mechanism.
Referring to Fig. 1-2, Fig. 1 is the structural representation of the side core-pulling mechanism of the utility model preferred embodiments; Fig. 2 is the structural representation of projection in Fig. 1.
The side core-pulling mechanism of preferred embodiments of the present utility model comprises dynamic model 10, cover half 20; The upper end of cover half 20 has storage tank 21, and the left side wall of this storage tank 21 is the inclined-plane towards storage tank 21 outer inclines gradually from storage tank 21 bottoms to top;
On this projection 11, be also provided with the through hole 111 that is through to right side wall from the left side wall of projection 11, comprise the left hole 111a of portion being connected with the left side wall of storage tank 21 and the right hole 111b of portion being communicated with injection moulding die cavity 22, wherein the aperture of the left hole 111a of portion is greater than the aperture of the right hole 111b of portion; Between the left hole 111a of portion and the right hole 111b of portion, form a snap openings 112.
In this through hole 111, be provided with from the left side of through hole 111 and run through through hole 111 to injection moulding die cavity 22, and with the side mandrel 30 of through hole 111 shape adaptations, the right-hand member of this side mandrel 30 inserts in injection moulding die cavity 22, left end is and the inclined-plane shape of above-mentioned storage tank 21 left side wall adaptations.
Between the snap openings 112 of above-mentioned through hole 111 and side mandrel 30, be also provided with the spring 12 arranging along side mandrel 21 axial directions.
Certainly, in the above-described embodiment, can expect that the insertion portion that side mandrel 30 is inserted in injection moulding die cavity 22 is fastened in the back-off arranging on the product of injection mo(u)lding than being easier to, carry out little buckle structure with product, this is the conventional means in moulding, be in the process in order to guarantee the demoulding, product is not bonded on the somatotype wall of cover half 20 of injection moulding die cavity 22 and deviates from smoothly.
Above-mentioned side core-pulling mechanism of the present utility model, in the middle of the process of the demoulding, first above-mentioned dynamic model 10 is separated with cover half 20 in the upward direction, between the left side wall of projection 11 and the left side wall of storage tank 21 because sidewall is inclined plane, so can produce the distance increasing gradually in the process that dynamic model 10 and cover half 20 separate, now the elastic force of spring 12 ejects side mandrel 30 left side mandrel 30 is slided along the bevel direction of the left side wall of storage tank 21, make gradually side mandrel 30 to left avertence, move through hole 111 is interior, realizing the side direction of above-mentioned side mandrel 30 from injection moulding die cavity 22 extracts out.
In the process of matched moulds, contrary with knockout course, above-mentioned dynamic model 10 is close in a downward direction gradually to matched moulds under the inclined-plane of the left side wall of cover half 20 storage tanks 21 guiding with cover half 20; Matched moulds completes rear side mandrel 30 and spring 12 is compressed and be fastened in the left side wall of through hole 111 and storage tank 21.
And snap openings 112 provides the impetus of spring 12, while being convenient to the demoulding, spring 12, by side mandrel 30 ejection of turning left, and has more importantly also played the position-limiting action of through hole 111 offside mandrels 30, prevents that the injection moulding die cavity 22 that side mandrel 30 is turned right from skidding off.
Adopt above-mentioned side core-pulling mechanism of the present utility model, the power that adopts spring 12 to extract out as the side direction of injection mold side mandrel 30, compare the mode that the little back-off separated demolding of side direction mandrel in existing dynamic model and product adopts bullet piece, slide block, oil cylinder etc. to extract out, structure greatly simplified the pulled core structure of hydraulic oil cylinder driving, reduced cost.
And what can easily expect is, above-mentioned spring 12 for to become compressive state after matched moulds, and the power that when elastic force of generation is the demoulding, side mandrel 30 side direction are extracted out, according to this principle, spring 12 can also with elastic damper or similarly elastic article replace all can, at this, do not limit.
Further, in the above-described embodiment, the upper surface of side mandrel 30 is along the inclined-plane down tilting to right that inserts injection moulding die cavity 22 in the part of inserting in injection moulding die cavity 22.The shape that this side mandrel 30 is inserted to the right-hand member in injection moulding die cavity 22 is designed to the shape of above-mentioned bottom incline, product can form the part outstanding with respect to bottom incline in the process of injection moulding, in the process of the demoulding, this outstanding part can be kept off and outside through hole 111, be made product not catch on side mandrel 30 so.Understandably, the upper surface of this side mandrel 30 can also be cancave cambered surface in the part of inserting in injection moulding die cavity 22, also can realize above-mentioned identical effect.
When the part in the upper surface of above-mentioned side mandrel 30 is inserting injection moulding die cavity 22 is inclined-plane, be less than the angle of storage tank 21 left side walls and vertical direction with the angle of vertical direction.This angle design is in order to make, and the elastic force of spring 12 offside mandrels 30 makes side mandrel 30 be greater than amplitude upwards to the amplitude of left movement, realizes bullet pin and hightails product, and be unlikely to tangle with product.
Further, the utility model also proposes another kind of side core-pulling mechanism, and referring to Fig. 3, Fig. 3 is the structural representation of the side core-pulling mechanism of another embodiment of the utility model.
Side core-pulling mechanism in this embodiment comprises cover half 100, and cover half 100 upper ends have storage tank 110, and the left side wall of this storage tank 110 is the inclined-plane towards storage tank 110 outer inclines gradually from storage tank 110 bottoms to top;
In above-mentioned straight jacking block 120, be also provided with the through hole 121 that is through to right side wall from the left side wall of straight jacking block 120, this through hole 121 comprises the left hole 121a of portion being connected with the left side wall of storage tank 110 and the right hole 121b of portion being communicated with injection moulding die cavity 130, and wherein the aperture of the left hole 121a of portion is greater than the aperture of the right hole 121b of portion; Between the left hole 121a of portion and the right hole 121b of portion, form a snap openings 122.
In this through hole 121, be provided with from the left side of through hole 121 and run through through hole 121 to injection moulding die cavity 130, and with the side mandrel 140 of through hole 121 shape adaptations, the right-hand member of this side mandrel 140 inserts in injection moulding die cavity 130, left end is and the inclined-plane shape of above-mentioned storage tank 110 left side wall adaptations.
Between the snap openings 122 of above-mentioned through hole 121 and side mandrel 30, be also provided with the spring 150 arranging along side mandrel 140 axial directions.
Above-mentioned cover half 100 is provided with cover half 100 lower ends and is through in storage tank 110 and the push rod 160 being connected with straight jacking block 120.
The difference of this embodiment and a upper embodiment is that the side core-pulling mechanism in the present embodiment is positioned at cover half, and the side core-pulling mechanism of a upper embodiment, at dynamic model, is dominated the upwards demoulding by dynamic model; This mechanism, at cover half, promotes the leading demoulding of straight jacking block 120 by push rod 160.
The process of the demoulding of the side core-pulling mechanism in this embodiment and a upper embodiment are similar, above-mentioned side core-pulling mechanism of the present utility model, first push rod 160 being promoted to straight jacking block 120 promotes toward top, straight jacking block 120 separates with cover half 100 in the upward direction, between straight jacking block 120 left side walls and storage tank 110 left side walls owing to being as inclined plane, so can produce the distance increasing gradually in the process of separating, now the elastic force of spring 150 ejects side mandrel 140 left side mandrel 140 is slided along the bevel direction of storage tank 110 left side walls, make gradually side mandrel 140 to left avertence, move through hole 121 is interior, realizing the side direction of above-mentioned side mandrel 140 from injection moulding die cavity 130 extracts out.
Simultaneously can be with reference to the description in a upper embodiment, the spring 150 of the present embodiment can be the elastic component of same function; The part that the upper surface of side mandrel 140 inserts in injection moulding die cavity 130 is downward-sloping inclined plane, and the angle on this inclined plane also can be with reference to a upper embodiment.
Adopt the above-mentioned side core-pulling mechanism of this practicality example, the power that adopts elastic component to extract out as the side direction of injection mold side mandrel 140, the little back-off separated demolding of comparing existing cover half side direction mandrel and product adopts the mode that oblique top goes out or side slide block is extracted out, structure greatly simplified the pulled core structure of hydraulic oil cylinder driving, reduce cost, but also solved the problems such as the push rod fracture that often produces during oblique top goes out.
Further, the utility model also proposes a kind of injection mold that comprises above-mentioned side core-pulling mechanism, and the wherein concrete shape and structure of side core-pulling mechanism, can be with reference to the description in above-described embodiment.
Adopt injection mold of the present utility model, wherein adopt the mode of the pulled core structure of the alternative existing hydraulic oil cylinder driving of elastic force of elastic component, as the power of side core-pulling.Structure greatly simplified the pulled core structure of hydraulic oil cylinder driving, reduced cost, and the demoulding is smooth and easy, can not produce the situation catching on product.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a side core-pulling mechanism, comprises fixed half and moving half, and this cover half upper surface has storage tank, it is characterized in that, the left side wall of described storage tank is gradually towards the setting of left-oblique inclined-plane from described storage tank bottom to top;
Described dynamic model is provided with the projection with described storage tank adaptation, between the right side wall of this projection and the right side wall of described storage tank, forms die cavity, the left side wall of described projection and the laminating of the left side wall of described storage tank;
On described projection, be also provided with the through hole that runs through this projection, the right hole portion that this through hole comprises the left hole portion being connected with the left side wall of described storage tank and is communicated with described die cavity; Wherein, the aperture of described left hole portion is greater than the aperture of right hole portion, and forms a snap openings between this left hole Bu Yuyou hole portion;
In described dynamic model, be provided with and from left side, run through described through hole to the side mandrel inserting in described die cavity, the right-hand member of this side mandrel inserts in described die cavity, left end is fitted with described storage tank left side wall; Between described side mandrel and described snap openings, be also provided with the elastic component arranging along this side mandrel axial direction.
2. side core-pulling mechanism as claimed in claim 1, is characterized in that, described cover half is provided with and from described cover half lower end, is through to the push rod being connected in described storage tank and with described projection.
3. side core-pulling mechanism as claimed in claim 1 or 2, is characterized in that, it is along the direction of the inserting described die cavity inclined-plane that dips down that the upper surface of described side mandrel inserts part in described die cavity.
4. side core-pulling mechanism as claimed in claim 3, is characterized in that, described inclined plane is plane, and the angle of this plane and vertical direction is less than the angle of described storage tank left side wall and vertical direction.
5. side core-pulling mechanism as claimed in claim 3, is characterized in that, described elastic component is spring or elastic damper.
6. an injection mold, is characterized in that, comprises the side core-pulling mechanism as described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576757.6U CN203580031U (en) | 2013-09-17 | 2013-09-17 | Side core-pulling mechanism and injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576757.6U CN203580031U (en) | 2013-09-17 | 2013-09-17 | Side core-pulling mechanism and injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203580031U true CN203580031U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576757.6U Expired - Fee Related CN203580031U (en) | 2013-09-17 | 2013-09-17 | Side core-pulling mechanism and injection mould |
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| Country | Link |
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| CN (1) | CN203580031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177077A (en) * | 2018-11-19 | 2019-01-11 | 深圳市银宝山新科技股份有限公司 | It is buckled to bit synchronization clasp mould mechanism |
| CN109501146A (en) * | 2018-12-29 | 2019-03-22 | 精诚工科汽车系统有限公司 | Mold |
-
2013
- 2013-09-17 CN CN201320576757.6U patent/CN203580031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177077A (en) * | 2018-11-19 | 2019-01-11 | 深圳市银宝山新科技股份有限公司 | It is buckled to bit synchronization clasp mould mechanism |
| CN109501146A (en) * | 2018-12-29 | 2019-03-22 | 精诚工科汽车系统有限公司 | 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: 20140507 Termination date: 20200917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |