CN102248641A - Coring device in sliding block of injection mould - Google Patents

Coring device in sliding block of injection mould Download PDF

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Publication number
CN102248641A
CN102248641A CN2011101864591A CN201110186459A CN102248641A CN 102248641 A CN102248641 A CN 102248641A CN 2011101864591 A CN2011101864591 A CN 2011101864591A CN 201110186459 A CN201110186459 A CN 201110186459A CN 102248641 A CN102248641 A CN 102248641A
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China
Prior art keywords
slide block
loosing core
bar
laterally
core
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CN2011101864591A
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Chinese (zh)
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CN102248641B (en
Inventor
李国平
俞淼锋
钱浩
邬晓斌
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Ningbo Shuanglin Mould Co Ltd
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Ningbo Shuanglin Mould Co Ltd
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Priority to CN 201110186459 priority Critical patent/CN102248641B/en
Publication of CN102248641A publication Critical patent/CN102248641A/en
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Publication of CN102248641B publication Critical patent/CN102248641B/en
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Abstract

The invention discloses a coring device in a sliding block of an injection mould. The coring device comprises a transverse coring sliding block (1), a longitudinal coring sliding block (12), a spring (13), a dragging rod (14) and a release link (22). The technical scheme provided by the invention is as follows: the longitudinal coring sliding block driven by a longitudinal coring mechanism is arranged in the transverse coring sliding block, and processes of longitudinally coring and then transversely coring are sequentially finished by utilizing the mould-opening of the injection mould; therefore, problems and shortages of complex structure, large volume and high cost in the prior art are overcome. According to the coring device in the sliding block of the injection mould, disclosed by the invention, the purposes of simplifying a mechanism, reducing the volume and reducing the cost are realized through the injection mould needing of longitudinal and transverse coring by arranging a coring mechanism in the sliding block.

Description

The slide block internal core withdrawing device of injection mold
Technical field
The present invention relates to the stripper apparatus of loosing core of injection mold, specifically be meant the slide block inside that is applied in injection mold, be used for slide block internal core withdrawing device from slide block to a kind of injection mold of the purposes of loosing core is successively carried out in length and breadth in the position, back-off hole of injection-molded item.
Background technology
The demoulding of loosing core of some injection-molded item, except requiring slide block laterally looses core, also need vertically to be loosed core in advance in the position, back-off hole that relates to this slide block in the goods, promptly " vertical earlier back is horizontal " looses core in length and breadth, prior art adopts by a plurality of single glider core-pulling mechanism combinations, will be referred to the relevant slide block of vertically loosing core of goods same position successively earlier and extract the slide block extraction of laterally loosing core that to be correlated with again out, this mode causes the mold mechanism complexity, bulky, material and processing cost occupy high, therefore, there is mechanism's complexity in prior art, volume is big, the problems and shortcomings that cost is high.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the present invention adopts the slide block of vertically loosing core that vertical core-pulling mechanism drive is set in the inside of the slide block of laterally loosing core, utilize the die sinking of mould, finish the horizontal technical scheme of loosing core in vertical earlier back successively, a kind of slide block internal core withdrawing device of injection mold is provided, be intended to make the injection mold that to loose core in length and breadth, the purpose that reaches mechanism simplifying, reduces volume, reduces cost by core-pulling mechanism is set in the slide block.
The object of the present invention is achieved like this: a kind of slide block internal core withdrawing device of injection mold, comprise the slide block of laterally loosing core, vertically loose core slide block, spring, affect bar, release link, wherein: the described slide block of laterally loosing core is the chute that is provided with the slide rail corresponding matching of laterally loosing core of dynamic model, be provided with steel block member with the corresponding profile of coincideing of shape face of goods at contact-making surface place with goods shape face, laterally loose core slide block above, be positioned at the position of vertically loosing core above the goods, be provided with to be used for fixing and settle the groove that affects the bar briquetting; The bottom land of described groove is provided with step circular hole vertically downward, that the big lower diameter of upper diameter is little; Corresponding to the bottom of described step circular hole, be positioned at the slide block of laterally loosing core below, be provided with make progress recessed, be used to the low groove that cooperates the described slide block of vertically loosing core to slide up and down, the degree of depth of described low groove is greater than the height of the slide block of vertically loosing core;
The described bar briquetting that affects is block steel components, affect the bar briquetting above be provided with profile with the top profile joint close splicing of the slide block of laterally loosing core; Affect on the profile of bar briquetting axis corresponding to described step circular hole to be provided with and vertically pass the manhole that affects the bar briquetting;
The described slide block of vertically loosing core is block steel components, the peripheral side and the described low groove of laterally loosing core slide block of slide block of vertically loosing core is slidingly matched, vertically the loose core bottom of slide block peripheral side is provided with the corresponding profile of coincideing of the position shape face of vertically loosing core with goods, and is provided with above the slide block of vertically loosing core to connect the described blind screw hole that affects bar;
Described spring is a cylindroid helical-coil compression spring;
The described bar that affects is a hexagonal socket cap in top is provided with, and the middle part is provided with the cylindrical shaft shape on the shoulders, and the bottom is provided with externally threaded interior hexagonal socket cap shaft shoulder hook bolt;
Affect bar briquetting fixture in the described groove of the slide block of laterally loosing core, affect the dead in line of axis and the step circular hole of the slide block of laterally loosing core of the manhole of bar briquetting, affect the middle part cover upper spring of bar, the top that affects bar up, in the major diameter stepped hole by the step circular hole top that affects the bar briquetting to push down to sink to the slide block of laterally loosing core, affect minor diameter stepped hole that the lower external thread of bar passes step circular hole bottom to be connected with the top of the slide block of vertically loosing core of the described low groove that places the slide block of laterally loosing core of sliding;
Described release link is the cylindrical shaft-like steel components that the top is provided with flange;
Release link is fixed on the cover half die cavity by the release link briquetting, the bottom of release link protrude from downwards the cover half die cavity below, when the mould matched moulds, release link, affect the bar briquetting manhole, affect bar three's dead in line, slide and pass that the downward pushing tow of the manhole that affects the bar briquetting affects bar, vertically the slide block of loosing core makes the lower end of the slide block of vertically loosing core pass the position of vertically loosing core, goods below to contact with profile below the slide block of laterally loosing core in the lower end of release link.
Operation principle
Postpone in the time of need laterally loosing core slide block servo-actuated, cover half die sinking during the work of this device laterally to slip away, therefore require to drive and laterally loose core diameter that slide block makes the Angle Pin that laterally slips away less than the oblique diameter of guide hole.
Mould is horizontal installation during work, and the fore-and-aft direction of job description is the above-below direction that structure is described.
The mould die sinking, cover half is static, dynamic model is drawn back, vertically the loosing core of position of vertically loosing core above the goods extracted out with the separation of cover half die cavity, simultaneously, release link is removed affecting the pushing tow of bar, be subjected to the effect of spring, affect the bar pulling slide retraction of vertically loosing core laterally to loose core in the low groove of slide block, finish goods belows vertically the loosing core of position of vertically loosing core, afterwards, along with the continuation rollback of dynamic model, Angle Pin drives the slide block of laterally loosing core and laterally slips away, and the slide block of laterally loosing core is finished laterally from goods and loosed core.
Above-mentioned, the present invention adopts the slide block of vertically loosing core that vertical core-pulling mechanism drive is set in the inside of the slide block of laterally loosing core, utilize the die sinking of mould, finish the horizontal technical scheme of loosing core in vertical earlier back successively, overcome prior art and had mechanism's complexity, volume is big, cost is high problems and shortcomings, the slide block internal core withdrawing device of a kind of injection mold that is provided makes the injection mold that need loose core in length and breadth, the purpose that reaches mechanism simplifying, reduces volume, reduces cost by core-pulling mechanism is set in the slide block.
Description of drawings
Fig. 1 is the structural representation of the slide block internal core withdrawing device of a kind of injection mold of the present invention;
Fig. 2 be among Fig. 1 A portion draw enlarged drawing;
Fig. 3 is the schematic diagram that the parts of the slide block internal core withdrawing device of a kind of injection mold of the present invention affect bar;
Fig. 4 is the slide block internal core withdrawing device of a kind of injection mold of the present invention, and the slide block of vertically loosing core is finished vertically the loose core operation principle schematic diagram of the tense of vertically loosing core at position of goods belows;
Fig. 5 is the slide block internal core withdrawing device of a kind of injection mold of the present invention, and the slide block of laterally loosing core is finished the operation principle schematic diagram of the tense of laterally loosing core.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: the slide block 1 of laterally loosing core, affect bar briquetting 11, vertically loose core slide block 12, spring 13, affect bar 14, cover half die cavity 2, release link briquetting 21, release link 22, dynamic mould core 3, goods 01, dynamic model 02, cover half 03, Angle Pin 04, oblique guide hole 05.
The specific embodiment
Consult Fig. 1~Fig. 5, the slide block internal core withdrawing device of a kind of injection mold of the present invention, comprise the slide block 1 of laterally loosing core, vertically loose core slide block 12, spring 13, affect bar 14, release link 22, wherein: the described slide block 1 of laterally loosing core is for being provided with the chute with the slide rail corresponding matching of laterally loosing core of dynamic model, be provided with steel block member with the corresponding profile of coincideing of shape face of goods 01 at contact-making surface place with goods 01 shape face, laterally loose core slide block 1 above, be positioned at the position of vertically loosing core above the goods 01, be provided with to be used for fixing and settle the groove that affects bar briquetting 11; The bottom land of described groove is provided with step circular hole vertically downward, that the big lower diameter of upper diameter is little; Corresponding to the bottom of described step circular hole, be positioned at the slide block 1 of laterally loosing core below, be provided with make progress recessed, be used to the low groove that cooperates the described slide block 12 of vertically loosing core to slide up and down, the degree of depth of described low groove is greater than the height of the slide block 12 of vertically loosing core;
The described bar briquetting 11 of affecting is block steel components, affect bar briquetting 11 above be provided with profile with the top profile joint close splicing of the slide block 1 of laterally loosing core; Affect on the profile of bar briquetting 11 axis corresponding to described step circular hole to be provided with and vertically pass the manhole that affects bar briquetting 11;
The described slide block 12 of vertically loosing core is block steel components, the peripheral side and the described low groove of laterally loosing core slide block 1 of slide block 12 of vertically loosing core is slidingly matched, vertically the loose core bottom of slide block 12 peripheral sides is provided with the corresponding profile of coincideing of the position shape face of vertically loosing core with goods 01, and is provided with above the slide block 12 of vertically loosing core to connect the described blind screw hole that affects bar;
Described spring 13 is a cylindroid helical-coil compression spring;
Described affect bar 14 for top be provided with in the hexagonal socket cap, the middle part is provided with the cylindrical shaft shape on the shoulders, the bottom be provided with externally threaded in hexagonal socket cap shaft shoulder hook bolt;
Affect bar briquetting 11 fixtures in the described groove of slide block 1 of laterally loosing core, affect the dead in line of axis and the step circular hole of the slide block 1 of laterally loosing core of the manhole of bar briquetting 11, affect the middle part cover upper spring 13 of bar 14, the top that affects bar 14 up, in the major diameter stepped hole by the step circular hole top that affects bar briquetting 11 to push down to sink to the slide block 1 of laterally loosing core, affect minor diameter stepped hole that the lower external thread of bar 14 passes step circular hole bottom to be connected with the top of slide block 12 of vertically loosing core of the described low groove that places the slide block 1 of laterally loosing core of sliding;
Described release link 22 is provided with the cylindrical shaft-like steel components of flange for the top;
Release link 22 is fixed on the cover half die cavity 2 by release link briquetting 21, the bottom of release link 22 protrude from downwards cover half die cavity 2 below, when the mould matched moulds, release link 22, affect bar briquetting 11 manhole, affect bar 14 threes' dead in line, slide and pass that the downward pushing tow of the manhole that affects bar briquetting 11 affects bar 14, vertically the slide block 12 of loosing core makes the lower end of the slide block 12 of vertically loosing core pass the position of vertically loosing core, goods 01 below to contact with the profile of slide block 1 below of laterally loosing core in the lower end of release link 22.
Operation principle
Postpone in the time of need laterally loosing core slide block 1 servo-actuated, cover half die sinking during the work of this device laterally to slip away, therefore require to drive and laterally loose core diameter that slide block 1 makes the Angle Pin 04 that laterally slips away less than the oblique diameter of guide hole 05.
Mould is horizontal installation during work, and the fore-and-aft direction of job description is the above-below direction that structure is described.
The mould die sinking, cover half 03 is static, dynamic model 02 is drawn back, goods 01 top vertically the loosing core of position of vertically loosing core extracted out with the separation of cover half die cavity 2, simultaneously, release link 22 is removed affecting the pushing tow of bar 14, be subjected to the effect of spring 13, affect bar 14 pulling slide block 12 withdrawals of vertically loosing core laterally to loose core in the low groove of slide block 1, finish goods 01 below vertically the loosing core of position of vertically loosing core, afterwards, along with the continuation rollback of dynamic model 02, Angle Pin 04 drives the slide block 1 of laterally loosing core and laterally slips away, and the slide block 1 of laterally loosing core is finished laterally from goods 01 and loosed core.

Claims (1)

1. the slide block internal core withdrawing device of an injection mold, comprise the slide block of laterally loosing core (1), the slide block (12) of vertically loosing core, spring (13), affect bar (14), release link (22), it is characterized in that: the described slide block (1) of laterally loosing core is for being provided with the chute with the slide rail corresponding matching of laterally loosing core of dynamic model, be provided with steel block member with the corresponding profile of coincideing of shape face of goods (01) at contact-making surface place with goods (01) shape face, laterally loose core slide block (1) above, being positioned at the position of vertically loosing core, goods (01) tops, be provided with to be used for fixing and settle the groove that affects bar briquetting (11); The bottom land of described groove is provided with step circular hole vertically downward, that the big lower diameter of upper diameter is little; Corresponding to the bottom of described step circular hole, be positioned at the slide block of laterally loosing core (1) below, be provided with make progress recessed, be used to the low groove that cooperates the described slide block (12) of vertically loosing core to slide up and down, the degree of depth of described low groove is greater than the height of the slide block of vertically loosing core (12);
The described bar briquetting (11) that affects is block steel components, affect bar briquetting (11) above be provided with profile with the top profile joint close splicing of the slide block (1) of laterally loosing core; Affect on the profile of bar briquetting (11) axis corresponding to described step circular hole to be provided with and vertically pass the manhole that affects bar briquetting (11);
The described slide block (12) of vertically loosing core is block steel components, the peripheral side and the described low groove of laterally loosing core slide block (1) of slide block (12) of vertically loosing core is slidingly matched, vertically the loose core bottom of slide block (12) peripheral side is provided with the corresponding profile of coincideing of the position shape face of vertically loosing core with goods (01), and is provided with above the slide block (12) of vertically loosing core to connect the described blind screw hole that affects bar;
Described spring (13) is a cylindroid helical-coil compression spring;
Described affect bar (14) for top be provided with in the hexagonal socket cap, the middle part is provided with the cylindrical shaft shape on the shoulders, the bottom be provided with externally threaded in hexagonal socket cap shaft shoulder hook bolt;
Affect bar briquetting (11) fixture in the described groove of the slide block of laterally loosing core (1), affect the dead in line of axis and the step circular hole of the slide block (1) of laterally loosing core of the manhole of bar briquetting (11), affect the middle part cover upper spring (13) of bar (14), the top that affects bar (14) up, in the major diameter stepped hole by the step circular hole top that affects bar briquetting (11) to push down to sink to the slide block of laterally loosing core (1), affect minor diameter stepped hole that the lower external thread of bar (14) passes step circular hole bottom and slip to place top connection of the slide block of vertically loosing core (12) of the described low groove of the slide block of laterally loosing core (1);
Described release link (22) is provided with the cylindrical shaft-like steel components of flange for the top;
Release link (22) is fixed on the cover half die cavity (2) by release link briquetting (21), the bottom of release link (22) protrude from downwards cover half die cavity (2) below, when the mould matched moulds, release link (22), affect the manhole of bar briquetting (11), affect bar (14) three's dead in line, the lower end slip of release link (22) is passed the downward pushing tow of manhole that affects bar briquetting (11) and is affected bar 14, the slide block (12) of vertically loosing core makes the lower end of the slide block of vertically loosing core (12) pass the position of vertically loosing core, goods (01) belows and contacts with profile below the slide block of laterally loosing core (1).
CN 201110186459 2011-06-22 2011-06-22 Coring device in sliding block of injection mould Expired - Fee Related CN102248641B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201110186459 CN102248641B (en) 2011-06-22 2011-06-22 Coring device in sliding block of injection mould

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CN102248641A true CN102248641A (en) 2011-11-23
CN102248641B CN102248641B (en) 2013-07-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104441495A (en) * 2014-10-22 2015-03-25 宁波宇升模业有限公司 Under-cut demolding device for straightly pulling and transversely extracting injection mold
CN104801690A (en) * 2015-03-12 2015-07-29 宁波市北仑华盛模具厂 Die-casting die capable of secondarily laterally pulling core
CN106985352A (en) * 2017-04-13 2017-07-28 宁波神通模塑有限公司 A kind of classification core pulling method of injection mold

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536161A (en) * 1993-11-05 1996-07-16 North America Packaging Corporation Double lock pail mold
CN201271973Y (en) * 2008-10-06 2009-07-15 中国华录·松下电子信息有限公司 Slanted slide block side loose core mould structure
CN101607435A (en) * 2009-07-15 2009-12-23 宁波双林模具有限公司 The oblique sliding core-pulling device of injection mold cover half
CN101612779A (en) * 2009-07-20 2009-12-30 宁波双林模具有限公司 The auxiliary liftout attachment that the injection mold oblique top is loosed core
CN202123626U (en) * 2011-06-22 2012-01-25 宁波双林模具有限公司 Core drawing device in slide block of injection mold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536161A (en) * 1993-11-05 1996-07-16 North America Packaging Corporation Double lock pail mold
CN201271973Y (en) * 2008-10-06 2009-07-15 中国华录·松下电子信息有限公司 Slanted slide block side loose core mould structure
CN101607435A (en) * 2009-07-15 2009-12-23 宁波双林模具有限公司 The oblique sliding core-pulling device of injection mold cover half
CN101612779A (en) * 2009-07-20 2009-12-30 宁波双林模具有限公司 The auxiliary liftout attachment that the injection mold oblique top is loosed core
CN202123626U (en) * 2011-06-22 2012-01-25 宁波双林模具有限公司 Core drawing device in slide block of injection mold

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104441495A (en) * 2014-10-22 2015-03-25 宁波宇升模业有限公司 Under-cut demolding device for straightly pulling and transversely extracting injection mold
CN104801690A (en) * 2015-03-12 2015-07-29 宁波市北仑华盛模具厂 Die-casting die capable of secondarily laterally pulling core
CN106985352A (en) * 2017-04-13 2017-07-28 宁波神通模塑有限公司 A kind of classification core pulling method of injection mold
CN106985352B (en) * 2017-04-13 2019-01-25 神通科技集团股份有限公司 A kind of classification core pulling method of injection mold

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