CN103331878A - Oblique secondary core-pulling device of injection mold - Google Patents

Oblique secondary core-pulling device of injection mold Download PDF

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Publication number
CN103331878A
CN103331878A CN2013102615203A CN201310261520A CN103331878A CN 103331878 A CN103331878 A CN 103331878A CN 2013102615203 A CN2013102615203 A CN 2013102615203A CN 201310261520 A CN201310261520 A CN 201310261520A CN 103331878 A CN103331878 A CN 103331878A
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China
Prior art keywords
core
piece
oblique
endoporus
sliding sleeve
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CN2013102615203A
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CN103331878B (en
Inventor
周吉辉
梅央雪
陈文超
娄开锋
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Huaruizhilian Chongqing Electronic Technology Co ltd
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Ningbo Yuefei Mold Co Ltd
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Publication of CN103331878A publication Critical patent/CN103331878A/en
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Abstract

The invention discloses an oblique secondary core-pulling device of an injection mold. The oblique secondary core-pulling device comprises a fixing seat (1), an outer wall core-puling block (2), a linkage sliding sleeve (3), an inner hole core-pulling block (4), a drive sliding block (5) and an end cap (6). The device adopts the technical scheme that: the device formed by the members is adopted; a cylinder pulls the drive sliding block to carry out transverse movement in core-pulling work; a chute of the drive sliding block drags the inner hole core-pulling block to carry out inner hole core-pulling for the first time firstly through an inclined track of the inner hole core-pulling block; then the top part contacts the inner top part of the linkage sliding sleeve when the inner hole core-pulling block travels to a gap; the inner hole core-pulling block drives the outer wall core-puling block to carry out outer wall core-pulling for the second time through the linkage sliding sleeve. Thus, the problems and the defects of complicated structure, high cost and poor product quality in the prior art are overcome; and the product is provided with the injection mold with an oblique tubular part structure. Therefore, the purposes of simplifying the structure, reducing the cost and improving the product quality are achieved.

Description

A kind of oblique twice core-pulling device of injection mold
Technical field
The present invention relates to the mould emptier of tiltedly loosing core of injection mold, specifically refer to be embedded in for injection mold the piece of tiltedly loosing core at the oblique tubular structure of goods position, divide the oblique twice core-pulling device of a kind of injection mold of the oblique extraction of the interior outer secondary in back earlier.
Background technology
Injection mold is provided with the demoulding of oblique tubular structure for goods, prior art adopts two outsides of closing the oblique tubular structure of slide block moulded products of symbol, during the demoulding, earlier closing the symbol slide block by oil cylinder with two detaches from the both sides at tubulose position, to be embedded in the oblique extraction of pellet of oblique tubulose position endoporus again, and be called for short and close the oblique pump structure of symbol; Close the oblique pump structure complex structure of symbol, it is big to take the mould inside space, the cost height, in addition, two are closed the symbol slide block and also can form parting line at the outer surface at the oblique tubulose of goods position, cause goods tubulose position to use poor air-tightness when connecting flexible pipe then, and quality is bad, therefore, prior art exists complex structure, cost height, the bad problems and shortcomings of product property.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the present invention adopts by holder, the outer wall piece of loosing core, the interlock sliding sleeve, the endoporus piece of loosing core, drive slide block, the device that plug constitutes, wherein, holder inside is provided with crossing horizontal slide opening and oblique slide opening, be provided with skewed slot in the driving slide block of groove shaped as frame, the loose core top of piece of endoporus is provided with oblique rail, the interlock sliding sleeve of groove shaped as frame slides and is positioned at the oblique slide opening of holder, outer wall loose core piece be fixedly connected on the interlock sliding sleeve the below, the endoporus piece of loosing core slides and to be positioned at interlock sliding sleeve and the outer wall piece of loosing core, endoporus loose core piece the top with the interlock sliding sleeve inner top leave the gap that lags, drive slide block and slide and be positioned at the horizontal slide opening of holder, endoporus oblique rail and the skewed slot that drives slide block of the piece engagement of sliding of loosing core is during application, holder is fixed in the mould, drives slide block and is connected with oil cylinder;
When loosing core work, the oil cylinder pulling drives slide block and moves laterally, the skewed slot that drives slide block drags the endoporus piece of loosing core and carries out primary endoporus earlier and loose core through the loose core oblique rail of piece of endoporus, afterwards, when the endoporus capable Bi Chi post gap of piece of loosing core, the inner top of interlock sliding sleeve is touched at its top, the endoporus piece of loosing core drives the outer wall piece of loosing core through the interlock sliding sleeve and carries out the technical scheme that secondary outer wall is loosed core again, a kind of oblique twice core-pulling device of injection mold is provided, be intended to by outer oblique the loosing core of secondary in back in the elder generation, avoid forming parting line at the oblique tubulose position of goods, make injection mold reach simplified structure, reduce cost, improve the purpose of product property.
The object of the present invention is achieved like this: a kind of oblique twice core-pulling device of injection mold, comprise holder, outer wall loose core piece, interlock sliding sleeve, endoporus loose core piece, drive slide block, plug, wherein: described holder is the inner block steel components that is provided with two crossing horizontal slide openings and oblique slide opening, described horizontal slide opening is the through hole of the rectangular horizontal direction in cross section, described oblique slide opening is the through hole that the cross section is rectangular, be tilted to the left from top to bottom, and described oblique slide opening overlaps with described horizontal slide opening center and intersects;
The described outer wall piece of loosing core is the steel components that the upper end is provided with the cylinder step tubulose of rectangular flange, and the loose core tube wall place, bottom of piece of outer wall is provided with the profile that the outside shape face with the oblique tubular structure of goods coincide;
Described interlock sliding sleeve is the steel components that the cross section is concave shape, notch rectangular channel frame bulk down, and the outside, right side of interlock sliding sleeve is provided with sphere connected in star spacing hoodle corresponding matching, that be used for the location and is called locating slot;
The described endoporus piece of loosing core is the steel components of up big and down small, as to go up circle under square square circle step, the loose core big step in top of piece of endoporus is rectangular block shape, the loose core bottom small stair of piece of endoporus is cylindrical shape, endoporus loose core that the front and back two side faces of the big step of rectangular block shape on piece top is respectively equipped with some protrusions and be parallel to each other, downward-sloping from left to right strip track is called oblique rail;
Described driving slide block is that the cross section is concave shape, notch towards the steel components of the rectangular channel frame bulk on a left side, and the two side inwall places, front and back that drive slide block are provided with some and are called skewed slot with loose core corresponding that be slidingly matched, the downward from left to right strip groove of described oblique rail of piece of endoporus; The right-hand member that drives slide block is provided with for the T-slot that connects;
Described plug is that main looking is the left side and is provided with the steel components of the trapezoidal bulk of inclined downward from right to left, and the place, inclined-plane of plug is provided with by what spring and steel ball constituted and is used for spacing spacing hoodle;
The interlock sliding sleeve slides and is positioned at the described oblique slide opening of holder, outer wall loose core piece be fixedly connected on the interlock sliding sleeve the below, the endoporus piece of loosing core slides and to be positioned at interlock sliding sleeve and the outer wall piece of loosing core, endoporus loose core piece the top with the interlock sliding sleeve inner top stay the gap to be called the gap that lags, drive the described horizontal slide opening that the slide block slip is positioned at holder, endoporus described oblique rail and the described skewed slot that drives slide block of the piece engagement of sliding of loosing core, plug is positioned at the left part center of the described horizontal slide opening of holder, plug up and down two fixedly connected with the last lower wall surface of described horizontal slide opening, form between the front and back wall of two of the front and back of plug and described horizontal slide opening for two rectangular channels that the groove frame slides through that drive slide block, the corresponding elasticity of the steel ball of the described spacing hoodle of plug is embedded in the described locating slot of interlock sliding sleeve; During application, holder is fixed in the mould, drives slide block and is connected with the piston rod of oil cylinder through connecting rod by described T-slot, and the cylinder body of oil cylinder is fixedlyed connected with the right flank of holder through cylinder bracket;
The direction face of structure representation is divided into up, down, left, right, front, rear side, and wherein, the front is the face in the face of main body, and the back is the face relative with described front.
Operation principle and beneficial effect
When loosing core work, oil cylinder pulling drives slide block and moves laterally, and the skewed slot that drives slide block drags the endoporus interior hole deviation that piece make progress earlier to the right of loosing core and looses core through the loose core oblique rail of piece of endoporus, is called and tiltedly looses core the first time; Afterwards, when the endoporus capable Bi Chi post gap of piece of loosing core, the inner top of interlock sliding sleeve is touched at the loose core top of piece of endoporus, and the endoporus piece of loosing core drives the outer wall outer wall that piece make progress to the right again of loosing core through the interlock sliding sleeve and tiltedly looses core, and is called and tiltedly looses core the second time; This device is finished the demoulding of loosing core at the oblique tubulose of goods position by outer oblique the loosing core of secondary in back in the elder generation, make goods be provided with the injection mold of oblique tube bit architecture, simplify the structure, reduced cost, avoid forming parting line at the oblique tubulose position of goods, improved product property.
Above-mentioned, the present invention adopts by holder, the outer wall piece of loosing core, the interlock sliding sleeve, the endoporus piece of loosing core, drive slide block, the device that plug constitutes, wherein, holder inside is provided with crossing horizontal slide opening and oblique slide opening, be provided with skewed slot in the driving slide block of groove shaped as frame, the loose core top of piece of endoporus is provided with oblique rail, the interlock sliding sleeve of groove shaped as frame slides and is positioned at the oblique slide opening of holder, outer wall loose core piece be fixedly connected on the interlock sliding sleeve the below, the endoporus piece of loosing core slides and to be positioned at interlock sliding sleeve and the outer wall piece of loosing core, endoporus loose core piece the top with the interlock sliding sleeve inner top leave the gap that lags, drive slide block and slide and be positioned at the horizontal slide opening of holder, endoporus oblique rail and the skewed slot that drives slide block of the piece engagement of sliding of loosing core is during application, holder is fixed in the mould, drives slide block and is connected with oil cylinder; When loosing core work, the oil cylinder pulling drives slide block and moves laterally, the skewed slot that drives slide block drags the endoporus piece of loosing core and carries out primary endoporus earlier and loose core through the loose core oblique rail of piece of endoporus, afterwards, when the endoporus capable Bi Chi post gap of piece of loosing core, the inner top of interlock sliding sleeve is touched at its top, the endoporus piece of loosing core drives the outer wall piece of loosing core through the interlock sliding sleeve and carries out the technical scheme that secondary outer wall is loosed core again, overcome prior art and had complex structure, the cost height, the problems and shortcomings that product property is bad, the oblique twice core-pulling device of a kind of injection mold that provides, make goods be provided with the injection mold of oblique tube bit architecture, reached simplified structure, reduce cost, improve the purpose of product property.
Description of drawings
Fig. 1 is that the master of structure of the oblique twice core-pulling device of a kind of injection mold of the present invention looks cross-sectional schematic;
Fig. 2 is the oblique twice core-pulling device of a kind of injection mold of the present invention, be operated in for the first time in the loose core principle schematic of tense of hole deviation;
Fig. 3 is the oblique twice core-pulling device of a kind of injection mold of the present invention, is operated in tiltedly the loose core principle schematic of tense of outer wall for the second time;
Fig. 4 is that the axis of no-feathering of holder parts of the oblique twice core-pulling device of a kind of injection mold of the present invention is surveyed schematic diagram;
Fig. 5 is that the loose core axis of no-feathering of block part of the outer wall of the oblique twice core-pulling device of a kind of injection mold of the present invention is surveyed schematic diagram;
Fig. 6 is that the loose core axis of no-feathering of block part of the endoporus of the oblique twice core-pulling device of a kind of injection mold of the present invention is surveyed schematic diagram;
Fig. 7 is that the axis of no-feathering of driving slider part of the oblique twice core-pulling device of a kind of injection mold of the present invention is surveyed schematic diagram.
Be described in further detail below in conjunction with the present invention of the embodiment in the accompanying drawing, but should not be construed as any limitation of the invention.
Among the figure: holder 1, laterally slide opening 11, oblique slide opening 12, outer wall loose core piece 2, interlock sliding sleeve 3, endoporus loose core piece 4, tiltedly rail 41, drive slide block 5, skewed slot 51, plug 6, spacing hoodle 61, goods 01, oil cylinder 02, cylinder bracket 03, connecting rod 04, the gap 05 that lags, mold cores 06.
The specific embodiment
Consult Fig. 1~Fig. 7, the oblique twice core-pulling device of a kind of injection mold of the present invention, comprise holder 1, outer wall loose core piece 2, interlock sliding sleeve 3, endoporus loose core piece 4, drive slide block 5, plug 6, wherein: described holder 1 is the inner block steel components that is provided with two crossing horizontal slide openings 11 and oblique slide opening 12, described horizontal slide opening 11 is the through hole of the rectangular horizontal direction in cross section, described oblique slide opening 12 is the through hole that the cross section is rectangular, be tilted to the left from top to bottom, and described oblique slide opening 12 overlaps with described horizontal slide opening 11 centers and intersects;
The described outer wall piece 2 of loosing core is provided with the steel components of the cylinder step tubulose of rectangular flange for the upper end, and the loose core tube wall place, bottom of piece 2 of outer wall is provided with the profile that the outside shape face with the oblique tubular structure of goods coincide;
Described interlock sliding sleeve 3 is the steel components of concave shape, notch rectangular channel frame bulk down for the cross section, and the outside, right side of interlock sliding sleeve 3 is provided with sphere connected in star spacing hoodle 61 corresponding matching, that be used for the location and is called locating slot;
Described endoporus piece 4 steel components for up big and down small, as to go up circle under square square circle step of loosing core, the loose core big step in top of piece 4 of endoporus is rectangular block shape, the loose core bottom small stair of piece 4 of endoporus is cylindrical shape, endoporus loose core that the front and back two side faces of the big step of rectangular block shape on piece 4 tops is respectively equipped with some protrusions and be parallel to each other, downward-sloping from left to right strip track is called oblique rail 41;
Described driving slide block 5 is for the cross section is concave shape, notch towards the steel components of the rectangular channel frame bulk on a left side, and the two side inwall places, front and back that drive slide block 5 are provided with some and are called skewed slot 51 with loose core described oblique rail 41 corresponding that be slidingly matched, the downward from left to right strip grooves of piece 4 of endoporus; The right-hand member that drives slide block 5 is provided with for the T-slot that connects;
Described plug 6 is that main looking is the left side and is provided with the steel components of the trapezoidal bulk of inclined downward from right to left, and the place, inclined-plane of plug 6 is provided with by what spring and steel ball constituted and is used for spacing spacing hoodle 61;
Interlock sliding sleeve 3 slides and is positioned at the described oblique slide opening 12 of holder 1, outer wall loose core piece 2 be fixedly connected on the interlock sliding sleeve 3 the below, loose core piece 4 of endoporus slides and is positioned at interlock sliding sleeve 3 and the outer wall piece 2 of loosing core, the loose core inner top of top and interlock sliding sleeve 3 of piece 4 of endoporus stays the gap to be called to lag gap 05, drive the described horizontal slide opening 11 that slide block 5 slips are positioned at holder 1, endoporus described oblique rail 41 and the described skewed slot 51 that drives slide block 5 of piece 4 engagement of sliding of loosing core, plug 6 is positioned at the left part center of the described horizontal slide opening 11 of holder 1, plug 6 up and down two fixedly connected with the last lower wall surface of described horizontal slide opening 11, form between the front and back wall of two of the front and back of plug 6 and described horizontal slide opening 11 for two rectangular channels that the groove frame slides through that drive slide block 5, the corresponding elasticity of the steel ball of the described spacing hoodle 61 of plug 6 is embedded in the described locating slot of interlock sliding sleeve 3; During application, holder 1 is fixed in the mould, drives slide block 5 and is connected through the piston rod of connecting rod 04 with oil cylinder 02 by described T-slot, and the cylinder body of oil cylinder 02 is fixedlyed connected with the right flank of holder 1 through cylinder bracket 03;
The direction face of structure representation is divided into up, down, left, right, front, rear side, and wherein, the front is the face in the face of main body, and the back is the face relative with described front.
Operation principle and beneficial effect
When loosing core work, oil cylinder 02 pulling drives slide block 5 and moves laterally, and the skewed slot 51 that drives slide block 5 drags the endoporus interior hole deviation that piece 4 make progress earlier to the right of loosing core and looses core through the loose core oblique rail 41 of piece 4 of endoporus, is called and tiltedly looses core the first time; Afterwards, when the endoporus piece 4 row Bi Chi post gaps of loosing core, the inner top of interlock sliding sleeve 3 is touched at the loose core top of piece 4 of endoporus, and the endoporus piece 4 of loosing core drives the outer walls outer wall that piece 2 make progress to the right again of loosing core through interlock sliding sleeve 3 and tiltedly looses core, and is called and tiltedly looses core the second time; This device is finished the demoulding of loosing core at the oblique tubulose of goods position by outer oblique the loosing core of secondary in back in the elder generation, make goods be provided with the injection mold of oblique tube bit architecture, simplify the structure, reduced cost, avoid forming parting line at the oblique tubulose position of goods, improved product property.

Claims (1)

1. the oblique twice core-pulling device of an injection mold, comprise holder (1), the outer wall piece (2) of loosing core, interlock sliding sleeve (3), the endoporus piece (4) of loosing core, drive slide block (5), plug (6), it is characterized in that: described holder (1) is the inner block steel components that is provided with two crossing horizontal slide openings (11) and oblique slide opening (12), described horizontal slide opening (11) is the through hole of the rectangular horizontal direction in cross section, described oblique slide opening (12) is that the cross section is rectangular, the through hole that is tilted to the left from top to bottom, described oblique slide opening (12) overlap with described horizontal slide opening (11) center and intersect;
The described outer wall piece (2) of loosing core is provided with the steel components of the cylinder step tubulose of rectangular flange for the upper end, and the loose core tube wall place, bottom of piece (2) of outer wall is provided with the profile that the outside shape face with the oblique tubular structure of goods coincide;
Described interlock sliding sleeve (3) is the steel components of concave shape, notch rectangular channel frame bulk down for the cross section, and the outside, right side of interlock sliding sleeve (3) is provided with sphere connected in star spacing hoodle (61) corresponding matching, that be used for the location and is called locating slot;
The described endoporus steel components of piece (4) for up big and down small, as to go up circle under square square circle step of loosing core, the loose core big step in top of piece (4) of endoporus is rectangular block shape, the loose core bottom small stair of piece (4) of endoporus is cylindrical shape, endoporus loose core that the front and back two side faces of the big step of rectangular block shape on piece (4) top is respectively equipped with some protrusions and be parallel to each other, downward-sloping from left to right strip track is called oblique rail (41);
Described driving slide block (5) is for the cross section is concave shape, notch towards the steel components of the rectangular channel frame bulk on a left side, and the two side inwall places, front and back that drive slide block (5) are provided with some and are called skewed slot (51) with loose core corresponding that be slidingly matched, the downward from left to right strip groove of described oblique rail (41) of piece (4) of endoporus; The right-hand member that drives slide block (5) is provided with for the T-slot that connects;
Described plug (6) is that main looking is the left side and is provided with the steel components of the trapezoidal bulk of inclined downward from right to left, and the place, inclined-plane of plug (6) is provided with by what spring and steel ball constituted and is used for spacing spacing hoodle (61);
Interlock sliding sleeve (3) slides and is positioned at the described oblique slide opening (12) of holder (1), outer wall loose core piece (2) be fixedly connected on the interlock sliding sleeve (3) the below, the endoporus piece (4) of loosing core slides and to be positioned at interlock sliding sleeve (3) and the outer wall piece (2) of loosing core, the loose core inner top of top and interlock sliding sleeve (3) of piece (4) of endoporus stays the gap to be called to lag gap (05), drive the described horizontal slide opening (11) that slide block (5) slip is positioned at holder (1), endoporus described oblique rail (41) and the described skewed slot (51) that drives slide block (5) of piece (4) engagement of sliding of loosing core, plug (6) is positioned at the left part center of the described horizontal slide opening (11) of holder (1), two last lower wall surfaces with described horizontal slide opening (11) up and down of plug (6) are fixedlyed connected, form between the front and back wall of two of the front and back of plug (6) and described horizontal slide opening (11) for two rectangular channels that the groove frame slides through that drive slide block (5), the corresponding elasticity of the steel ball of the described spacing hoodle (61) of plug (6) is embedded in the described locating slot of interlock sliding sleeve (3); During application, holder (1) is fixed in the mould, drives slide block (5) and is connected through the piston rod of connecting rod (04) with oil cylinder (02) by described T-slot, and the cylinder body of oil cylinder (02) is fixedlyed connected with the right flank of holder (1) through cylinder bracket (03);
The direction face of structure representation is divided into up, down, left, right, front, rear side, and wherein, the front is the face in the face of main body, and the back is the face relative with described front.
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN103707468A (en) * 2013-12-18 2014-04-09 宁海胜利模具有限公司 Secondary oblique-ejection core-pulling device in slide core
CN105235105A (en) * 2015-10-26 2016-01-13 宁波华朔模具机械有限公司 Mold core pulling device used for oblique tubular structure
CN107088993A (en) * 2017-05-18 2017-08-25 宁波市益普乐模塑有限公司 The stripper apparatus of automotive wheels backplate
CN107415156A (en) * 2017-03-30 2017-12-01 宁波神通模塑有限公司 A kind of die core rod automatic plug mechanism
CN108687327A (en) * 2018-08-23 2018-10-23 襄阳美利信科技有限责任公司 A kind of interlock core_pulling structure on die casting
CN110370579A (en) * 2019-08-26 2019-10-25 李代坤 Core-pulling mechanism for injection mold and injection mold
CN110435094A (en) * 2019-07-31 2019-11-12 宁波方正汽车模具股份有限公司 Secondary core pulling mechanism for sliding block

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Publication number Priority date Publication date Assignee Title
CN103707468A (en) * 2013-12-18 2014-04-09 宁海胜利模具有限公司 Secondary oblique-ejection core-pulling device in slide core
CN103707468B (en) * 2013-12-18 2015-11-25 宁海胜利模具有限公司 A kind of oblique core-pulling device in secondary top be located in slide core
CN105235105A (en) * 2015-10-26 2016-01-13 宁波华朔模具机械有限公司 Mold core pulling device used for oblique tubular structure
CN107415156A (en) * 2017-03-30 2017-12-01 宁波神通模塑有限公司 A kind of die core rod automatic plug mechanism
CN107415156B (en) * 2017-03-30 2023-06-13 神通科技集团股份有限公司 Automatic plug mechanism of mould core bar
CN107088993A (en) * 2017-05-18 2017-08-25 宁波市益普乐模塑有限公司 The stripper apparatus of automotive wheels backplate
CN108687327A (en) * 2018-08-23 2018-10-23 襄阳美利信科技有限责任公司 A kind of interlock core_pulling structure on die casting
CN110435094A (en) * 2019-07-31 2019-11-12 宁波方正汽车模具股份有限公司 Secondary core pulling mechanism for sliding block
CN110370579A (en) * 2019-08-26 2019-10-25 李代坤 Core-pulling mechanism for injection mold and injection mold
CN110370579B (en) * 2019-08-26 2024-05-14 李代坤 Injection mold core pulling mechanism and injection mold

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