CN103434090B - A kind of Rotary core puller of injection mold - Google Patents
A kind of Rotary core puller of injection mold Download PDFInfo
- Publication number
- CN103434090B CN103434090B CN201310338280.2A CN201310338280A CN103434090B CN 103434090 B CN103434090 B CN 103434090B CN 201310338280 A CN201310338280 A CN 201310338280A CN 103434090 B CN103434090 B CN 103434090B
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- rotary core
- oil cylinder
- core pulling
- pulling block
- pedestal
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Abstract
The invention discloses a kind of Rotary core puller of injection mold, comprise rotary core pulling block (1), connecting rod (2), latch segment (3), A oil cylinder (4), B oil cylinder (5), pedestal (6).The device that the present invention adopts above-mentioned component to form, the left part of rotary core pulling block is provided with arc back-off profile, and the middle part of rotary core pulling block is provided with pivot shaft, and the right part of rotary core pulling block is provided with and affects chute, and the bottom of connecting rod is provided with slide-bar, and pedestal is provided with leg; A oil cylinder, B oil cylinder are fixedly connected with pedestal, latch segment is fixedly connected with the piston rod of A oil cylinder, rotary core pulling block is rotationally connected by the leg of pivot shaft and pedestal, and the slide that affects of connecting rod and rotary core pulling block is fitting to connection, and the upper end of connecting rod is fixedly connected with the piston rod of B oil cylinder; During work, B hydraulic oil cylinder driving rotary core pulling block rotates, and the technical scheme that profile rotary core pulling from product of rotary core pulling block left part is deviate from, reaches the object of the smooth core_pulling demoulding of product making to be provided with arc back-off structure.
Description
Technical field
The present invention relates to a kind of core-pulling device of injection mold, specifically refer to the Rotary core puller of a kind of injection mold of block core_pulling demoulding of loosing core will be embedded in the arc back-off of product for injection mold.
Background technology
The core-pulling mechanism of prior art injection mold adopts oil cylinder to drive the mode of block of loosing core to realize the demoulding usually, this mode of loosing core only can be used for loosing core the direction core_pulling demoulding parallel with cylinder piston motion direction, for the product being provided with arc back-off structure, aforesaid way can pull product, damage mould, therefore, there are the problems and shortcomings that the product being provided with arc back-off structure is difficult to the demoulding in prior art.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts the device be made up of rotary core pulling block, connecting rod, latch segment, A oil cylinder, B oil cylinder, pedestal, the left part of rotary core pulling block is provided with arc back-off profile, the middle part of rotary core pulling block is provided with pivot shaft, the right part of rotary core pulling block is provided with and affects chute, the bottom of connecting rod is provided with slide-bar, and pedestal is provided with leg, the cylinder body of A oil cylinder, B oil cylinder is fixedly connected with pedestal, latch segment is fixedly connected with the piston rod of A oil cylinder, rotary core pulling block is rotationally connected by the leg of pivot shaft and pedestal, the slide-bar of connecting rod bottom and the slide that affects of rotary core pulling block are fitting to connection, and the upper end of connecting rod is fixedly connected with the piston rod of B oil cylinder, initial state, the profile of rotary core pulling block is embedded in the arc back-off structure of product, and latch segment is positioned at being locked by rotary core pulling block of rotary core pulling block above, during work, before mould die sinking, start A oil cylinder and extract latch segment out left, rotary core pulling block is unlocked, afterwards, start B oil cylinder, through slide-bar, chute is affected to promote the right part of rotary core pulling block downwards, rotary core pulling block rotates clockwise centered by pivot shaft, make the arc back-off profile technical scheme that rotary core pulling is deviate from from the arc back-off structure of product of rotary core pulling block left part, a kind of Rotary core puller of injection mold is provided, be intended to the mode of being rotated rotary core pulling block by hydraulic oil cylinder driving, reach the object of the smooth core_pulling demoulding of product making to be provided with arc back-off structure.
The object of the present invention is achieved like this: a kind of Rotary core puller of injection mold, comprise rotary core pulling block, connecting rod, latch segment, A oil cylinder, B oil cylinder, pedestal, wherein: described rotary core pulling block is lever construction, the block steel components that downward projection is rectangular, be provided with the transverse axis protruded in front-rear direction below the middle part of rotary core pulling block and be called pivot shaft, the left surface of rotary core pulling block left part and be provided with the profile of coincideing with product arc back-off structure shape face below and be called profile end, the step plane above for raising up of described profile end, the right part center of rotary core pulling block is provided with left and right directions, penetrating up and down, cross section is that criss-cross chute is called and affects chute,
Described connecting rod is main looking projection in the step cylindricality steel components up-small and down-big, downward projection is circular upper part and square lower part, and the cylinder that the front and back sides center of the square step in connecting rod bottom is provided with orthogonal protrusion is called slide-bar;
Described latch segment is the block steel components of wedge shape, and the middle part below latch segment is provided with acclivitous inclined-plane from left to right and is called locking face;
Described A oil cylinder, B oil cylinder are the hydraulically extensible executive component be made up of cylinder body, piston rod;
Described pedestal is the block steel components for carrying rotary core pulling block, latch segment, A oil cylinder and B oil cylinder, the front and back two side faces of pedestal right part is provided with the leg protruded downwards, and the bottom of described leg is provided with the axis hole of the described pivot shaft of carrying rotary core pulling block;
Rotary core pulling block is positioned at the below of pedestal, and rotary core pulling block is connected with leg through described pivot shaft, described axis hole; The piston rod of A oil cylinder is towards the right side, and the cylinder body of A oil cylinder is fixedly connected on the left side of pedestal; Down, the cylinder body of B oil cylinder is fixedly connected on the right of pedestal to the piston rod of B oil cylinder; The left surface of latch segment is connected with A oil cylinder fixed piston rod; The described slide-bar of connecting rod and the slide that affects of rotary core pulling block are fitting to connection, and the upper end of connecting rod is fixedly connected with the piston rod of B oil cylinder; Rotary core pulling block locks by the described locking face wedge of latch segment above rotary core pulling block.
Operation principle and beneficial effect
Initial state, the profile of rotary core pulling block is embedded in the arc back-off structure of product.
When loosing core, before mould die sinking, start A oil cylinder, the piston rod of A oil cylinder is retracted left, the piston rod of A oil cylinder pulls latch segment to extract out left, rotary core pulling block unlocks, afterwards, start B oil cylinder, the piston rod of B oil cylinder stretches out downwards, the piston rod of B oil cylinder through slide-bar, affect chute to promote the right part of rotary core pulling block downwards, rotary core pulling block rotates clockwise centered by pivot shaft, the described profile of rotary core pulling block rotary core pulling from the arc back-off structure of product is deviate from, mould die sinking, ejecting product;
During reset, start B oil cylinder, the piston rod of B oil cylinder is upwards retracted and is pulled rotary core pulling block to rotate counterclockwise reset centered by pivot shaft, afterwards, start A oil cylinder, the piston rod of A oil cylinder stretches out to the right and promotes the latch segment wedge that moves right and reset above rotary core pulling block.
This device rotates rotary core pulling block by hydraulic oil cylinder driving, makes the product being provided with arc back-off structure be able to smooth core_pulling demoulding; This equipment mechanism is simple, and reliable operation, both can be applicable to the dynamic model portion of injection mold, also can be applicable to the cover half portion of injection mold, had pervasive general feature, is suitable for the sliding production application of standardized size.
The present invention adopts the device be made up of rotary core pulling block, connecting rod, latch segment, A oil cylinder, B oil cylinder, pedestal, the left part of rotary core pulling block is provided with arc back-off profile, the middle part of rotary core pulling block is provided with pivot shaft, the right part of rotary core pulling block is provided with and affects chute, the bottom of connecting rod is provided with slide-bar, and pedestal is provided with leg, the cylinder body of A oil cylinder, B oil cylinder is fixedly connected with pedestal, latch segment is fixedly connected with the piston rod of A oil cylinder, rotary core pulling block is rotationally connected by the leg of pivot shaft and pedestal, the slide-bar of connecting rod bottom and the slide that affects of rotary core pulling block are fitting to connection, and the upper end of connecting rod is fixedly connected with the piston rod of B oil cylinder, initial state, the profile of rotary core pulling block is embedded in the arc back-off structure of product, and latch segment is positioned at being locked by rotary core pulling block of rotary core pulling block above, during work, before mould die sinking, start A oil cylinder and extract latch segment out left, rotary core pulling block is unlocked, afterwards, start B oil cylinder, through slide-bar, chute is affected to promote the right part of rotary core pulling block downwards, rotary core pulling block rotates clockwise centered by pivot shaft, make the arc back-off profile technical scheme that rotary core pulling is deviate from from the arc back-off structure of product of rotary core pulling block left part, overcome prior art and there are the problems and shortcomings that the product being provided with arc back-off structure is difficult to the demoulding, the Rotary core puller of a kind of injection mold provided, rotary core pulling block is rotated by hydraulic oil cylinder driving, reach the object of the smooth core_pulling demoulding of product making to be provided with arc back-off structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Rotary core puller of a kind of injection mold of the present invention;
Fig. 2 is the Rotary core puller of a kind of injection mold of the present invention, and the described profile rotary core pulling being operated in rotary core pulling block deviates from the principle schematic of tense;
Fig. 3 is that the axle of the rotary core pulling block part structure of the Rotary core puller of a kind of injection mold of the present invention measures intention;
Fig. 4 is that the axle of the linkage component structure of the Rotary core puller of a kind of injection mold of the present invention measures intention.
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: rotary core pulling block 1, affect chute 11, pivot shaft 12, connecting rod 2, slide-bar 21, latch segment 3, A oil cylinder 4, B oil cylinder 5, pedestal 6, leg 61, product 01.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 4, the Rotary core puller of a kind of injection mold of the present invention, comprise rotary core pulling block 1, connecting rod 2, latch segment 3, A oil cylinder 4, B oil cylinder 5, pedestal 6, wherein: described rotary core pulling block 1 is lever construction, the block steel components that downward projection is rectangular, be provided with the transverse axis protruded in front-rear direction below the middle part of rotary core pulling block 1 and be called pivot shaft 12, the left surface of rotary core pulling block 1 left part and be provided with the profile of coincideing with product 01 arc back-off structure shape face below and be called profile end, the step plane above for raising up of described profile end, the right part center of rotary core pulling block 1 is provided with left and right directions, penetrating up and down, cross section is that criss-cross chute is called and affects chute 11,
Described connecting rod 2 is main looking projection in the step cylindricality steel components up-small and down-big, downward projection is circular upper part and square lower part, and the cylinder that the front and back sides center of the square step in connecting rod 2 bottom is provided with orthogonal protrusion is called slide-bar 21;
Described latch segment 3 is the block steel components of wedge shape, and the middle part below latch segment 3 is provided with acclivitous inclined-plane from left to right and is called locking face;
Described A oil cylinder 4, B oil cylinder 5 are the hydraulically extensible executive component be made up of cylinder body, piston rod;
Described pedestal 6 is the block steel components for carrying rotary core pulling block 1, latch segment 3, A oil cylinder 4 and B oil cylinder 5, the front and back two side faces of pedestal 6 right part is provided with the leg 61 protruded downwards, and the bottom of described leg 61 is provided with the axis hole of the described pivot shaft 12 of carrying rotary core pulling block 1;
Rotary core pulling block 1 is positioned at the below of pedestal 6, and rotary core pulling block 1 is connected with leg 61 through described pivot shaft 12, described axis hole; The piston rod of A oil cylinder 4 is towards the right side, and the cylinder body of A oil cylinder 4 is fixedly connected on the left side of pedestal 6; Down, the cylinder body of B oil cylinder 5 is fixedly connected on the right of pedestal 6 to the piston rod of B oil cylinder 5; The left surface of the tight block 3 of lance is connected with A oil cylinder 4 fixed piston rod; The described slide-bar 21 of connecting rod 2 is connected with chute 11 sliding gomphosis that affects of rotary core pulling block 1, and the upper end of connecting rod 2 is fixedly connected with the piston rod of B oil cylinder 5; Rotary core pulling block 1 locks by the described locking face wedge of latch segment 3 above rotary core pulling block 1.
Operation principle and beneficial effect
Initial state, the profile of rotary core pulling block 1 is embedded in the arc back-off structure of product 01.
When loosing core, before mould die sinking, start A oil cylinder 4, the piston rod of A oil cylinder 4 is retracted left, the piston rod of A oil cylinder 4 pulls latch segment 3 to extract out left, rotary core pulling block 1 unlocks, afterwards, the piston rod starting B oil cylinder 5, B oil cylinder 5 stretches out downwards, and the piston rod of B oil cylinder 5 is through slide-bar 21, the right part affecting chute 11 downward promotion rotary core pulling block 1, rotary core pulling block 1 rotates clockwise centered by pivot shaft 12, the described profile of rotary core pulling block 1 rotary core pulling from the arc back-off structure of product 01 is deviate from, mould die sinking, ejecting product 01;
During reset, the piston rod of startup B oil cylinder 5, B oil cylinder 5 is upwards retracted and is pulled rotary core pulling block 1 to rotate counterclockwise reset centered by pivot shaft 12, afterwards, the piston rod starting A oil cylinder 4, A oil cylinder 4 stretches out to the right and promotes latch segment 3 wedge that moves right and reset above rotary core pulling block 1.
This device rotates rotary core pulling block 1 by hydraulic oil cylinder driving, makes the product being provided with arc back-off structure be able to smooth core_pulling demoulding; This equipment mechanism is simple, and reliable operation, both can be applicable to the dynamic model portion of injection mold, also can be applicable to the cover half portion of injection mold, had pervasive general feature, is suitable for the sliding production application of standardized size.
Claims (1)
1. the Rotary core puller of an injection mold, comprise rotary core pulling block (1), connecting rod (2), latch segment (3), A oil cylinder (4), B oil cylinder (5), pedestal (6), it is characterized in that: described rotary core pulling block (1) is lever construction, the block steel components that downward projection is rectangular, be provided with the transverse axis protruded in front-rear direction below the middle part of rotary core pulling block (1) and be called pivot shaft (12), the left surface of rotary core pulling block (1) left part and be provided with the profile of coincideing with product (01) arc back-off structure shape face below and be called profile end, the step plane above for raising up of described profile end, the right part center of rotary core pulling block (1) is provided with left and right directions, penetrating up and down, cross section is that criss-cross chute is called and affects chute (11),
Described connecting rod (2) is main looking projection in the step cylindricality steel components up-small and down-big, downward projection is circular upper part and square lower part, and the cylinder that the front and back sides center of the square step in connecting rod (2) bottom is provided with orthogonal protrusion is called slide-bar (21);
The block steel components that described latch segment (3) is wedge shape, the middle part below latch segment (3) is provided with acclivitous inclined-plane from left to right and is called locking face;
Described A oil cylinder (4), B oil cylinder (5) are the hydraulically extensible executive component be made up of cylinder body, piston rod;
Described pedestal (6) is the block steel components for carrying rotary core pulling block (1), latch segment (3), A oil cylinder (4) and B oil cylinder (5), the front and back two side faces of pedestal (6) right part is provided with the leg (61) protruded downwards, and the bottom of described leg (61) is provided with the axis hole of the described pivot shaft (12) of carrying rotary core pulling block (1);
Rotary core pulling block (1) is positioned at the below of pedestal (6), and rotary core pulling block (1) is connected with leg (61) through described pivot shaft (12), described axis hole; The piston rod of A oil cylinder (4) is towards the right side, and the cylinder body of A oil cylinder (4) is fixedly connected on the left side of pedestal (6); Down, the cylinder body of B oil cylinder (5) is fixedly connected on the right of pedestal (6) to the piston rod of B oil cylinder (5); The left surface of latch segment (3) is connected with A oil cylinder (4) fixed piston rod; The described slide-bar (21) of connecting rod (2) is connected with chute (11) sliding gomphosis that affects of rotary core pulling block (1), and the upper end of connecting rod (2) is fixedly connected with the piston rod of B oil cylinder (5); Rotary core pulling block (1) locks by the described locking face wedge of latch segment (3) above rotary core pulling block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338280.2A CN103434090B (en) | 2013-07-27 | 2013-07-27 | A kind of Rotary core puller of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338280.2A CN103434090B (en) | 2013-07-27 | 2013-07-27 | A kind of Rotary core puller of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103434090A CN103434090A (en) | 2013-12-11 |
| CN103434090B true CN103434090B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310338280.2A Expired - Fee Related CN103434090B (en) | 2013-07-27 | 2013-07-27 | A kind of Rotary core puller of injection mold |
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| CN (1) | CN103434090B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126214A (en) * | 2019-04-11 | 2019-08-16 | 宁波公牛精密制造有限公司 | A kind of mold and its operation method with the secondary incorgruous pulled core structure of composite slider |
| CN110341031B (en) * | 2019-07-19 | 2024-04-30 | 云南省建设投资控股集团有限公司 | Highway ditch apron plastic mold shedder |
| CN111409236A (en) * | 2020-05-19 | 2020-07-14 | 骏艺精密模具（苏州）有限公司 | Double-slider combined core-pulling mechanism of injection mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201419487Y (en) * | 2009-06-12 | 2010-03-10 | 东江科技(深圳)有限公司 | Injection mould structure |
| CN201437274U (en) * | 2009-04-09 | 2010-04-14 | 黄岩星泰塑料模具有限公司 | Lever clamping mechanism used for large-angle internal core-pulling of plastic mold |
| CN201881532U (en) * | 2010-12-28 | 2011-06-29 | 佛山市南海东方塑料制品有限公司 | Simple rotating inner pulling mechanism for decorative panel injection molding mold |
| CN203357821U (en) * | 2013-07-27 | 2013-12-25 | 宁波双林模具有限公司 | Rotary core-pulling device of injection mold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100526141B1 (en) * | 2003-10-16 | 2005-11-10 | 동명통산(주) | Injection molding substance extractor |
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2013
- 2013-07-27 CN CN201310338280.2A patent/CN103434090B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201437274U (en) * | 2009-04-09 | 2010-04-14 | 黄岩星泰塑料模具有限公司 | Lever clamping mechanism used for large-angle internal core-pulling of plastic mold |
| CN201419487Y (en) * | 2009-06-12 | 2010-03-10 | 东江科技(深圳)有限公司 | Injection mould structure |
| CN201881532U (en) * | 2010-12-28 | 2011-06-29 | 佛山市南海东方塑料制品有限公司 | Simple rotating inner pulling mechanism for decorative panel injection molding mold |
| CN203357821U (en) * | 2013-07-27 | 2013-12-25 | 宁波双林模具有限公司 | Rotary core-pulling device of injection mold |
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| CN103434090A (en) | 2013-12-11 |
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