CN103358496B - The core-pulling device of a kind of cylinder uniform back-off cylinder core - Google Patents
The core-pulling device of a kind of cylinder uniform back-off cylinder core Download PDFInfo
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- CN103358496B CN103358496B CN201310303760.5A CN201310303760A CN103358496B CN 103358496 B CN103358496 B CN 103358496B CN 201310303760 A CN201310303760 A CN 201310303760A CN 103358496 B CN103358496 B CN 103358496B
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Abstract
The invention discloses the core-pulling device of a kind of cylinder uniform back-off cylinder core, comprise stem stem (1), A slide block (2), B slide block (3).The present invention adopts and closes symbol by six A slide blocks, six B slide blocks, stem stem and form cylindrical and the conjunction being laid with back-off structure accords with core, A slide block and B slide block interlock interval around arranging the periphery being connected to stem stem, staggered by A slide block and B slide block interval the technical scheme of concentric contraction, overcome prior art and there are complex structure, body is large, cost is high problems and shortcomings, make the injection mold of cylinder uniform back-off cylinder core, reach the object simplifying structure, reduce body, reduce costs.
Description
Technical field
The present invention relates to a kind of core_pulling demoulding device of injection mold, specifically refer to for injection mold, cylinder is laid with the core-pulling device of cylindrical male plug core_pulling demoulding a kind of cylinder uniform back-off cylinder core out from goods of back-off structure.
Background technology
Cylinder circumference is provided with to the core_pulling demoulding of the cylindrical male plug of back-off structure, prior art adopted before mould ejection article removal, extracted out the taper stem stem be located in sympetalous structure cylindrical male plug by oil cylinder, the core lobe slide block concentric contraction being provided with back-off structure is driven to extract out from goods separately respectively according to the order of sequence by some oil cylinders again, afterwards, mould ejects article removal again; Because oil cylinder quantity used is many, and oil cylinder and attached auxiliary body to take mould inside volume large, complex structure, cause that mould body is large, cost is high, in addition, when injection moulding is produced, need the large gauge injection machine that auxiliary work stroke is large, cause injection moulding production cost to occupy high, therefore, there are complex structure, body is large, cost is high problems and shortcomings in prior art.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts and closes symbol by six A slide blocks, six B slide blocks, stem stem and form cylindrical and the conjunction being laid with back-off structure accords with core, A slide block and B slide block interlock interval around arranging the periphery being connected to stem stem, wherein, stem stem is the cone of six ribs, the fin rib top of stem stem is provided with B chute, and the bottom land between two adjacent lugs of stem stem is provided with A chute, the cone angle of A chute is greater than the cone angle of B chute, back-off structure is positioned at centrifugal place of A slide block, B slide block, and centripetal place of A slide block, B slide block is equipped with slide rail, and A slide block grooved rail corresponding to A chute connects, and B slide block grooved rail corresponding to B chute connects, stem stem is fixedly connected with dynamic model support plate, is connected to angle ejector rod below A slide block and B slide block, and the bottom of angle ejector rod is connected with the top board of dynamic model through shoes, during work, top board is while straight push rod upwards pushing tow article removal, top board synchronously promotes A slide block and B slide block respectively along each self-corresponding A chute through angle ejector rod, upwards centripetal oblique top motion done by B chute, cone angle due to A chute is greater than the cone angle of B chute, the displacement component of B slide block concentric contraction is less than A slide block, stagger concentric contraction in A slide block and B slide block interval, avoid mutual conflict, make to be arranged in the technical scheme that A slide block and centrifugal of B slide block place back-off are extracted out smoothly from goods, the core-pulling device of a kind of cylinder uniform back-off cylinder core is provided, be intended to be staggered by A slide block and B slide block interval the mode of concentric contraction, the injection mold of cylinder uniform back-off cylinder core is made to reach simplification structure, reduce body, the object reduced costs.
The object of the present invention is achieved like this: the core-pulling device of a kind of cylinder uniform back-off cylinder core, comprise stem stem, A slide block, B slide block, wherein: described stem stem is up-small and down-big, the steel components of hexagonal pyramid shape column, the cylinder of stem stem be laid with six outwardly, above-below direction, the radial rib muscle of downward projection is called fin, bifurcation groove is called by the groove formed between two adjacent described fins, the chute that the rib top of described fin is provided with swallow-tail form is called B chute, the chute that the bottom land of described bifurcation groove is provided with swallow-tail form is called A chute, the cone angle of described A chute is greater than the cone angle of described B chute,
Described A slide block is above-below direction strip, downward projection is hexagonal block steel components, and a side of A slide block is that 1/12 cylinder cambered surface is called centrifugal of A, and the one side relative with centrifugal of described A is called centripetal of A; That the centrifugal face of described A is provided with protrusion, identical with the back-off structure shape of the goods embedding core of back-off, the slide rail that the centripetal face of described A is provided with swallow-tail form is called A slide rail, and described A slide rail is corresponding with the described A chute of stem stem to be slidably matched;
The block steel components that described B slide block is above-below direction strip, downward projection is quadrangle, a side of B slide block is that 1/12 cylinder cambered surface is called centrifugal of B, and the one side relative with centrifugal of described B is called centripetal of B; That the centrifugal face of described B is provided with protrusion, identical with the back-off structure shape of the goods embedding core of back-off, the slide rail that the centripetal face of described B is provided with swallow-tail form is called B slide rail, and described B slide rail is corresponding with the described B chute of stem stem to be slidably matched;
Six A slide blocks and six B slide blocks interlock interval, slide and close the periphery that symbol is centered around stem stem, close symbol and form the conjunction symbol core columniform, the face of cylinder is evenly equipped with the embedding core of described back-off; Wherein, the described A slide rail of A slide block is corresponding with the described A chute of stem stem to be slidably connected, and the described B slide rail of B slide block is corresponding with the described B chute of stem stem to be slidably connected; Stem stem is fixedly connected on above dynamic model support plate, is connected to angle ejector rod below A slide block and B slide block, and the bottom of angle ejector rod is connected with the top board of dynamic model through shoes.
Operation principle and beneficial effect
During demoulding work, at top board while straight push rod upwards pushing tow article removal, top board synchronously promotes A slide block through angle ejector rod and B slide block moves along each self-corresponding A chute and the upwards centripetal oblique top of B chute work respectively, cone angle due to A chute is greater than the cone angle of B chute, the displacement component of B slide block concentric contraction is less than A slide block, make A slide block and B slide block avoid mutually conflicting and progressively interval to stagger concentric contraction, then make the embedding core of back-off being arranged in A slide block and centrifugal of B slide block place extract out smoothly from goods.
This device, by the mode of the concentric contraction that A slide block and B slide block interval staggered, makes the injection mold of cylinder uniform back-off cylinder core simplify the structure, reduce body, reduce cost.
Above-mentioned, the present invention adopts and closes symbol by six A slide blocks, six B slide blocks, stem stem and form cylindrical and the conjunction being laid with back-off structure accords with core, A slide block and B slide block interlock interval around arranging the periphery being connected to stem stem, wherein, stem stem is the cone of six ribs, the fin rib top of stem stem is provided with B chute, and the bottom land between two adjacent lugs of stem stem is provided with A chute, the cone angle of A chute is greater than the cone angle of B chute, back-off structure is positioned at centrifugal place of A slide block, B slide block, and centripetal place of A slide block, B slide block is equipped with slide rail, and A slide block grooved rail corresponding to A chute connects, and B slide block grooved rail corresponding to B chute connects, stem stem is fixedly connected with dynamic model support plate, is connected to angle ejector rod below A slide block and B slide block, and the bottom of angle ejector rod is connected with the top board of dynamic model through shoes, during work, top board is while straight push rod upwards pushing tow article removal, top board synchronously promotes A slide block and B slide block respectively along each self-corresponding A chute through angle ejector rod, upwards centripetal oblique top motion done by B chute, cone angle due to A chute is greater than the cone angle of B chute, the displacement component of B slide block concentric contraction is less than A slide block, stagger concentric contraction in A slide block and B slide block interval, avoid mutual conflict, make to be arranged in the technical scheme that A slide block and centrifugal of B slide block place back-off are extracted out smoothly from goods, overcome prior art and there is complex structure, body is large, the problems and shortcomings that cost is high, the core-pulling device of a kind of cylinder uniform back-off cylinder core provided, staggered by A slide block and B slide block interval the mode of concentric contraction, make the injection mold of cylinder uniform back-off cylinder core, reach simplification structure, reduce body, the object reduced costs.
Accompanying drawing explanation
Fig. 1 is that the axis of no-feathering of the conjunction symbol core of the core-pulling device of a kind of cylinder of the present invention uniform back-off cylinder core measures intention;
Fig. 2 is the conjunction symbol core of the core-pulling device of a kind of cylinder of the present invention uniform back-off cylinder core, is in the stagger axle of concentric contraction state of interval and measures intention;
Fig. 3 is the core-pulling device of a kind of cylinder of the present invention uniform back-off cylinder core, and the master being arranged in application mould looks cross-sectional schematic;
Fig. 4 is the diagrammatic side-view cross-sectional schematic diagram of Fig. 3;
Fig. 5 is the principle schematic that the B slide block 3 of the core-pulling device of a kind of cylinder of the present invention uniform back-off cylinder core is in core_pulling demoulding tense;
Fig. 6 is the principle schematic that the A slide block 2 of the core-pulling device of a kind of cylinder of the present invention uniform back-off cylinder core is in core_pulling demoulding tense.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: stem stem 1, A chute 11, B chute 12, A slide block 2, B slide block 3, conjunction symbol core 123, goods 01, cover half 02, dynamic model 03, dynamic model support plate 031, angle ejector rod 04, shoes 041, top board 05.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 6, the core-pulling device of a kind of cylinder of the present invention uniform back-off cylinder core, comprise stem stem 1, A slide block 2, B slide block 3, wherein: described stem stem 1 is up-small and down-big, the steel components of hexagonal pyramid shape column, the cylinder of stem stem 1 be laid with six outwardly, above-below direction, the radial rib muscle of downward projection is called fin, bifurcation groove is called by the groove formed between two adjacent described fins, the chute that the rib top of described fin is provided with swallow-tail form is called B chute 12, the chute that the bottom land of described bifurcation groove is provided with swallow-tail form is called A chute 11, the cone angle of described A chute 11 is greater than the cone angle of described B chute 12,
Described A slide block 2 is above-below direction strip, downward projection is hexagonal block steel components, and a side of A slide block 2 is that 1/12 cylinder cambered surface is called centrifugal of A, and the one side relative with centrifugal of described A is called centripetal of A; That the centrifugal face of described A is provided with protrusion, identical with the back-off structure shape of the goods 01 embedding core of back-off, the slide rail that the centripetal face of described A is provided with swallow-tail form is called A slide rail, and described A slide rail is corresponding with the described A chute 11 of stem stem 1 to be slidably matched;
The block steel components that described B slide block 3 is above-below direction strip, downward projection is quadrangle, a side of B slide block 3 is that 1/12 cylinder cambered surface is called centrifugal of B, and the one side relative with centrifugal of described B is called centripetal of B; That the centrifugal face of described B is provided with protrusion, identical with the back-off structure shape of the goods 01 embedding core of back-off, the slide rail that the centripetal face of described B is provided with swallow-tail form is called B slide rail, and described B slide rail is corresponding with the described B chute 12 of stem stem 1 to be slidably matched;
Six A slide blocks 2 and six B slide blocks 3 staggered ask every, slide and close the periphery that symbol is centered around stem stem 1, close symbol and form the conjunction symbol core 123 columniform, the face of cylinder is evenly equipped with the embedding core of described back-off; Wherein, the described A slide rail of A slide block 2 is corresponding with the described A chute 11 of stem stem 1 to be slidably connected, and the described B slide rail of B slide block 3 is corresponding with the described B chute 12 of stem stem 1 to be slidably connected; Stem stem 1 is fixedly connected on above dynamic model support plate 031, is connected to angle ejector rod 04 below A slide block 2 and B slide block 3, and the bottom of angle ejector rod 04 is connected with the top board 05 of dynamic model 03 through shoes 041.
Operation principle and beneficial effect
During demoulding work, at top board 05 while straight push rod upwards pushing tow goods 01 demoulding, top board 05 is made upwards centripetal oblique top along each self-corresponding A chute 11 and B chute 12 respectively through angle ejector rod 04 synchronous promotion A slide block 2 and B slide block 3 and is moved, cone angle due to A chute 11 is greater than the cone angle of B chute 12, the displacement component of B slide block 3 concentric contraction is less than A slide block 2, make A slide block 2 and B slide block 3 avoid mutually conflicting and progressively interval to stagger concentric contraction, then make the embedding core of back-off being arranged in A slide block 2 and centrifugal of B slide block 3 place extract out smoothly from goods 01.
This device, by the mode of the concentric contraction that A slide block 2 and B slide block 3 interval staggered, makes the injection mold of cylinder uniform back-off cylinder core simplify the structure, reduce body, reduce cost.
Claims (1)
1. the core-pulling device of a cylinder uniform back-off cylinder core, comprise stem stem (1), A slide block (2), B slide block (3), it is characterized in that: described stem stem (1) is for up-small and down-big, the steel components of hexagonal pyramid shape column, the cylinder of stem stem (1) be laid with six outwardly, above-below direction, the radial rib muscle of downward projection is called fin, bifurcation groove is called by the groove formed between two adjacent described fins, the chute that the rib top of described fin is provided with swallow-tail form is called B chute (12), the chute that the bottom land of described bifurcation groove is provided with swallow-tail form is called A chute (11), the cone angle of described A chute (11) is greater than the cone angle of described B chute (12),
Described A slide block (2) is above-below direction strip, downward projection is hexagonal block steel components, and a side of A slide block (2) is that 1/12 cylinder cambered surface is called centrifugal of A, and the one side relative with centrifugal of described A is called centripetal of A; That the centrifugal face of described A is provided with protrusion, identical with the back-off structure shape of goods (01) the embedding core of back-off, the slide rail that the centripetal face of described A is provided with swallow-tail form is called A slide rail, and described A slide rail is corresponding with the described A chute (11) of stem stem (1) to be slidably matched;
The block steel components that described B slide block (3) is above-below direction strip, downward projection is quadrangle, a side of B slide block (3) is that 1/12 cylinder cambered surface is called centrifugal of B, and the one side relative with centrifugal of described B is called centripetal of B; That the centrifugal face of described B is provided with protrusion, identical with the back-off structure shape of goods (01) the embedding core of back-off, the slide rail that the centripetal face of described B is provided with swallow-tail form is called B slide rail, and described B slide rail is corresponding with the described B chute (12) of stem stem (1) to be slidably matched;
The periphery that symbol is centered around stem stem (1) is closed in six A slide blocks (2) and six the staggered intervals of B slide block (3), slips, and conjunction symbol forms the conjunction columniform, the face of cylinder is evenly equipped with the embedding core of described back-off and accords with core (123); Wherein, the described A slide rail of A slide block (2) is corresponding with the described A chute (11) of stem stem (1) to be slidably connected, and the described B slide rail of B slide block (3) is corresponding with the described B chute (12) of stem stem (1) to be slidably connected; Stem stem (1) is fixedly connected on above dynamic model support plate (031), be connected to angle ejector rod (04) below A slide block (2) and B slide block (3), the bottom of angle ejector rod (04) is connected with the top board (05) of dynamic model (03) through shoes (041).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310303760.5A CN103358496B (en) | 2013-07-09 | 2013-07-09 | The core-pulling device of a kind of cylinder uniform back-off cylinder core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310303760.5A CN103358496B (en) | 2013-07-09 | 2013-07-09 | The core-pulling device of a kind of cylinder uniform back-off cylinder core |
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| Publication Number | Publication Date |
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| CN103358496A CN103358496A (en) | 2013-10-23 |
| CN103358496B true CN103358496B (en) | 2016-03-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960163B (en) * | 2015-07-16 | 2017-12-19 | 绍兴柯桥日臻化纤有限公司 | A kind of single distortion pipe Double-linkage space path core-pulling mechanism |
| CN106891487B (en) * | 2017-04-28 | 2022-09-30 | 昆山金莓电子有限公司 | Outer slider adds interior slider tripping device and injection mold |
| CN107716877A (en) * | 2017-11-03 | 2018-02-23 | 无锡康柏斯机械科技有限公司 | Metal tube with inner supporting structure prepares model |
| CN108407233A (en) * | 2018-05-11 | 2018-08-17 | 昆山金莓电子有限公司 | The de- back-off structure of week and injection mold |
| CN111516224A (en) * | 2020-05-09 | 2020-08-11 | 台州市黄岩西诺模具有限公司 | Multi-slider secondary core-pulling mechanism of injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202021713U (en) * | 2011-03-23 | 2011-11-02 | 汉达精密电子(昆山)有限公司 | Inner slide block mechanism |
| CN203331368U (en) * | 2013-07-09 | 2013-12-11 | 宁波和鑫光电科技有限公司 | Core pulling device of cylindrical core with cylindrical surface on which reversely-buckled structures are evenly distributed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090152770A1 (en) * | 2007-08-07 | 2009-06-18 | Canon Virginia Inc. | Mechanically collapsible core for injection molding |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202021713U (en) * | 2011-03-23 | 2011-11-02 | 汉达精密电子(昆山)有限公司 | Inner slide block mechanism |
| CN203331368U (en) * | 2013-07-09 | 2013-12-11 | 宁波和鑫光电科技有限公司 | Core pulling device of cylindrical core with cylindrical surface on which reversely-buckled structures are evenly distributed |
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