CN103358496A - Core pulling device of cylindrical core with backoff structures uniformly distributed on cylindrical surface - Google Patents

Core pulling device of cylindrical core with backoff structures uniformly distributed on cylindrical surface Download PDF

Info

Publication number
CN103358496A
CN103358496A CN2013103037605A CN201310303760A CN103358496A CN 103358496 A CN103358496 A CN 103358496A CN 2013103037605 A CN2013103037605 A CN 2013103037605A CN 201310303760 A CN201310303760 A CN 201310303760A CN 103358496 A CN103358496 A CN 103358496A
Authority
CN
China
Prior art keywords
slide block
stem
chute
core
called
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013103037605A
Other languages
Chinese (zh)
Other versions
CN103358496B (en
Inventor
李和鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Original Assignee
NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD filed Critical NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Priority to CN201310303760.5A priority Critical patent/CN103358496B/en
Publication of CN103358496A publication Critical patent/CN103358496A/en
Application granted granted Critical
Publication of CN103358496B publication Critical patent/CN103358496B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a core pulling device of a cylindrical core with backoff structures uniformly distributed on a cylindrical surface. The device includes a core column (1), A sliding blocks (2), and B sliding blocks (3). According to the invention, six A sliding blocks, six B sliding blocks, and one core column are adopted to fit to form a cylindrical fit core with uniformly distributed backoff structures. The A sliding blocks and the B sliding blocks are connected and are in staggered arrangement around the core column at intervals. By the technical scheme of staggering the A sliding blocks and the B sliding blocks at intervals and lead them to concentric contraction, the problems of complicated structure, large body and high cost existing in the prior art are overcome, so that the injection mold of the cylindrical core with backoff structures uniformly distributed on the cylindrical surface can achieve the purposes of structure simplification, body decrease and cost reduction.

Description

The core-pulling device of the uniform back-off cylinder of a kind of cylinder core
Technical field
The present invention relates to a kind of stripper apparatus of loosing core of injection mold, specifically refer to for injection mold, from goods, the loose core core-pulling device of the demoulding uniform back-off cylinder of a kind of cylinder core out of the cylindrical core that cylinder is laid with back-off structure.
Background technology
Be provided with the demoulding of loosing core of the cylindrical core of back-off structure for the cylinder circumference, prior art adopted before the demoulding of mould ejection goods, extracted out the taper stem stem that is located in the cylindrical core of sympetalous structure by oil cylinder, driving according to the order of sequence respectively separately the centripetal contraction of core lobe slide block that is provided with back-off structure by some oil cylinders again extracts out from goods, afterwards, mould ejects the goods demoulding again; Because used oil cylinder quantity is many, and it is large that oil cylinder and attached auxiliary body take the mould inside volume, complex structure, cause that the mould body is large, cost is high, in addition, when injection moulding is produced, need the large large specification injection machine of auxiliary work stroke, it is high to cause the injection moulding production cost to occupy, and therefore, prior art exists complex structure, body is large, cost is high problems and shortcomings.
Summary of the invention
Problems and shortcomings for above-mentioned prior art existence, the present invention adopt by six A slide blocks, six B slide blocks, stem stem close symbol consist of cylindrical and be laid with back-off structure close the symbol core, the staggered interval of A slide block and B slide block is around arranging the periphery that is connected to stem stem, wherein, stem stem is the cone of six ribs, the fin rib top of stem stem is provided with the B chute, and the bottom land between two adjacent lugs of stem stem is provided with the A chute; The cone angle of A chute is greater than the cone angle of B chute; Back-off structure is positioned at A slide block, B slide block centrifugal to be located, and locates to be equipped with slide rail for centripetal of A slide block, B slide block, and the corresponding grooved rail with the A chute of A slide block connects, the corresponding grooved rail connection with the B chute of B slide block; Stem stem is fixedly connected with the dynamic model support plate, the following angle ejector rod that is connected with respectively of 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, when top board makes progress the demoulding of pushing tow goods through straight push rod, top board promotes A slide block and B slide block respectively along each self-corresponding A chute synchronously through angle ejector rod, the oblique top motion that the B chute makes progress centripetal, because the cone angle of A chute is greater than the cone angle of B chute, the displacement component of the centripetal contraction of B slide block is less than the A slide block, the centripetal contraction of staggering of A slide block and B slide block interval, avoid mutual conflict, make and be arranged in A slide block and centrifugal of B slide block and locate the technical scheme that back-off is extracted out smoothly from goods, the core-pulling device of the uniform back-off cylinder of a kind of cylinder core is provided, be intended to make the injection mold of the uniform back-off cylinder of cylinder core reach simplified structure by A slide block and the B slide block interval mode of centripetal contraction that staggers, reduce body, reduce the purpose of cost.
The object of the present invention is achieved like this: the core-pulling device of the uniform back-off cylinder of a kind of cylinder core, comprise stem stem, the A slide block, the 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, be called the bifurcation groove by the groove that forms between two adjacent described fins, the chute that the rib top of described fin is provided with swallow-tail form is called the B chute, the chute that the bottom land of described bifurcation groove is provided with swallow-tail form is called the A chute, and the cone angle of described A chute is greater than the cone angle of described B chute;
Described A slide block is that above-below direction strip, downward projection are 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; The centrifugal face of described A be provided with protrusion, with the back-off embedding core that the back-off structure shape of goods is coincide, the slide rail that the centripetal face of described A is provided with swallow-tail form is called the A slide rail, corresponding being slidingly matched of described A chute of described A slide rail and stem stem;
Described B slide block is that above-below direction strip, downward projection are tetragonal block steel components, and 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; The centrifugal face of described B be provided with protrusion, with the back-off embedding core that the back-off structure shape of goods is coincide, the slide rail that the centripetal face of described B is provided with swallow-tail form is called the B slide rail, corresponding being slidingly matched of described B chute of described B slide rail and stem stem;
Six A slide blocks and six staggered intervals of B slide block, slide and close the periphery that symbol is centered around stem stem, that closes that symbol consists of that columniform, the face of cylinder is evenly equipped with described back-off embedding core closes the symbol core; Wherein, corresponding being slidingly connected of described A chute of the described A slide rail of A slide block and stem stem, corresponding being slidingly connected of described B chute of the described B slide rail of B slide block and stem stem; Stem stem be fixedly connected on the dynamic model support plate above, the following angle ejector rod that is connected with respectively of A slide block and B slide block, 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, when the straight push rod of top board warp makes progress the demoulding of pushing tow goods, top board promotes synchronously A slide block and B slide block through angle ejector rod and moves along each self-corresponding A chute and the B chute centripetal oblique top that makes progress respectively, because the cone angle of A chute is greater than the cone angle of B chute, the displacement component of the centripetal contraction of B slide block is less than the A slide block, make A slide block and B slide block avoid mutually conflicting and the progressively interval centripetal contraction of staggering, then make to be arranged in the back-off embedding core that A slide block and centrifugal of B slide block locate and to extract out smoothly from goods.
This device makes the injection mold of the uniform back-off cylinder of cylinder core simplify the structure, reduce body, reduce cost by the mode of centripetal contraction that staggered in A slide block and B slide block interval.
Above-mentioned, the present invention adopt by six A slide blocks, six B slide blocks, stem stem close symbol consist of cylindrical and be laid with back-off structure close the symbol core, the staggered interval of A slide block and B slide block is around arranging the periphery that is connected to stem stem, wherein, stem stem is the cone of six ribs, the fin rib top of stem stem is provided with the B chute, and the bottom land between two adjacent lugs of stem stem is provided with the A chute; The cone angle of A chute is greater than the cone angle of B chute; Back-off structure is positioned at A slide block, B slide block centrifugal to be located, and locates to be equipped with slide rail for centripetal of A slide block, B slide block, and the corresponding grooved rail with the A chute of A slide block connects, the corresponding grooved rail connection with the B chute of B slide block; Stem stem is fixedly connected with the dynamic model support plate, the following angle ejector rod that is connected with respectively of 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, when top board makes progress the demoulding of pushing tow goods through straight push rod, top board promotes A slide block and B slide block respectively along each self-corresponding A chute synchronously through angle ejector rod, the oblique top motion that the B chute makes progress centripetal, because the cone angle of A chute is greater than the cone angle of B chute, the displacement component of the centripetal contraction of B slide block is less than the A slide block, the centripetal contraction of staggering of A slide block and B slide block interval, avoid mutual conflict, make and be arranged in A slide block and centrifugal of B slide block and locate the technical scheme that back-off is extracted out smoothly from goods, overcome prior art and had complex structure, body is large, the problems and shortcomings that cost is high, the core-pulling device of the uniform back-off cylinder of a kind of cylinder core that provides, by A slide block and the B slide block interval mode of centripetal contraction that staggers, make the injection mold of the uniform back-off cylinder of cylinder core, reached simplified structure, reduce body, reduce the purpose of cost.
Description of drawings
Fig. 1 is that the axis of no-feathering that closes the symbol core of the core-pulling device of the uniform back-off cylinder of a kind of cylinder of the present invention core is surveyed schematic diagram;
Fig. 2 be the uniform back-off cylinder of a kind of cylinder of the present invention core core-pulling device close the symbol core, be in the stagger axle of centripetal contraction state of interval and survey schematic diagram;
Fig. 3 is the core-pulling device of the uniform back-off cylinder of a kind of cylinder of the present invention core, is arranged in the master who uses mould and looks cross-sectional schematic;
Fig. 4 is the side-looking cross-sectional schematic of Fig. 3;
Fig. 5 is the principle schematic that the B slide block 3 of the core-pulling device of the uniform back-off cylinder of a kind of cylinder of the present invention core is in the demoulding tense of loosing core;
Fig. 6 is the principle schematic that the A slide block 2 of the core-pulling device of the uniform back-off cylinder of a kind of cylinder of the present invention core is in the demoulding tense of 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: stem stem 1, A chute 11, B chute 12, A slide block 2, B slide block 3, close 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.
The specific embodiment
Consult Fig. 1~Fig. 6, the core-pulling device of the uniform back-off cylinder of a kind of cylinder of the present invention 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, be called the bifurcation groove by the groove that forms 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, and 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 hexagonal block steel components for above-below direction strip, downward projection, 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; The centrifugal face of described A be provided with protrusion, with the back-off embedding core that the back-off structure shape of goods 01 is coincide, the slide rail that the centripetal face of described A is provided with swallow-tail form is called the A slide rail, described A chute 11 corresponding being slidingly matched of described A slide rail and stem stem 1;
Described B slide block 3 is tetragonal block steel components for above-below direction strip, downward projection, and 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; The centrifugal face of described B be provided with protrusion, with the back-off embedding core that the back-off structure shape of goods 01 is coincide, the slide rail that the centripetal face of described B is provided with swallow-tail form is called the B slide rail, described B chute 12 corresponding being slidingly matched of described B slide rail and stem stem 1;
Six A slide blocks 2 and six B slide blocks 3 be staggered ask every, slide and close the periphery that symbol is centered around stem stem 1, that closes that symbol consists of that columniform, the face of cylinder is evenly equipped with described back-off embedding core closes symbol core 123; Wherein, described A chute 11 corresponding being slidingly connected of the described A slide rail of A slide block 2 and stem stem 1, described B chute 12 corresponding being slidingly connected of the described B slide rail of B slide block 3 and stem stem 1; Stem stem 1 be fixedly connected on dynamic model support plate 031 above, the following angle ejector rod 04 that is connected with respectively of 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.
Operation principle and beneficial effect
During demoulding work, when the straight push rod of top board 05 warp makes progress 01 demoulding of pushing tow goods, top board 05 promotes synchronously A slide block 2 and B slide block 3 through angle ejector rod 04 and moves along each self-corresponding A chute 11 and the B chute 12 centripetal oblique top that makes progress respectively, because the cone angle of A chute 11 is greater than the cone angle of B chute 12, the displacement component of B slide block 3 centripetal contractions is less than A slide block 2, make A slide block 2 and B slide block 3 avoid mutually conflicting and the progressively interval centripetal contraction of staggering, then make to be arranged in the back-off embedding core that A slide block 2 and 3 centrifugal of B slide blocks locate and to extract out smoothly from goods 01.
This device makes the injection mold of the uniform back-off cylinder of cylinder core simplify the structure, reduce body, reduce cost by the mode of centripetal contraction that staggered in A slide block 2 and B slide block 3 intervals.

Claims (1)

1. the core-pulling device of the uniform back-off cylinder of a 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, be called the bifurcation groove by the groove that forms 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), and 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 that above-below direction strip, downward projection are 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; The centrifugal face of described A is provided with back-off embedding core protrusion, that coincide with the back-off structure shape of goods (01), the slide rail that the centripetal face of described A is provided with swallow-tail form is called the A slide rail, corresponding being slidingly matched of described A chute (11) of described A slide rail and stem stem (1);
Described B slide block (3) is that above-below direction strip, downward projection are tetragonal block steel components, and 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; The centrifugal face of described B is provided with back-off embedding core protrusion, that coincide with the back-off structure shape of goods (01), the slide rail that the centripetal face of described B is provided with swallow-tail form is called the B slide rail, corresponding being slidingly matched of described B chute (12) of described B slide rail and stem stem (1);
Six A slide blocks (2) and six B slide blocks (3) interlock the interval, slide and to close the periphery that symbol is centered around stem stem (1), that closes that symbol consists of that columniform, the face of cylinder is evenly equipped with described back-off embedding core closes symbol core (123); Wherein, corresponding being slidingly connected of described A chute (11) of the described A slide rail of A slide block (2) and stem stem (1), corresponding being slidingly connected of described B chute (12) of the described B slide rail of B slide block (3) and stem stem (1); Stem stem (1) be fixedly connected on dynamic model support plate (031) above, the following angle ejector rod (04) that is connected with respectively of 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).
CN201310303760.5A 2013-07-09 2013-07-09 The core-pulling device of a kind of cylinder uniform back-off cylinder core Active CN103358496B (en)

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

Applications Claiming Priority (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

Publications (2)

Publication Number Publication Date
CN103358496A true CN103358496A (en) 2013-10-23
CN103358496B CN103358496B (en) 2016-03-02

Family

ID=49361170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310303760.5A Active CN103358496B (en) 2013-07-09 2013-07-09 The core-pulling device of a kind of cylinder uniform back-off cylinder core

Country Status (1)

Country Link
CN (1) CN103358496B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106891487A (en) * 2017-04-28 2017-06-27 昆山金莓电子有限公司 Outer slide adds inner slide tripping mechanism and injection mold
CN107471557A (en) * 2015-07-16 2017-12-15 乌鲁木齐九品芝麻信息科技有限公司 A kind of single distortion pipe Double-linkage space path core-pulling mechanism and its application method
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 (3)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107471557A (en) * 2015-07-16 2017-12-15 乌鲁木齐九品芝麻信息科技有限公司 A kind of single distortion pipe Double-linkage space path core-pulling mechanism and its application method
CN107471557B (en) * 2015-07-16 2019-05-21 浙江创元模具科技有限公司 A kind of singly distortion round tube Double-linkage space path core-pulling mechanism and its application method
CN106891487A (en) * 2017-04-28 2017-06-27 昆山金莓电子有限公司 Outer slide adds inner slide tripping mechanism 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

Also Published As

Publication number Publication date
CN103358496B (en) 2016-03-02

Similar Documents

Publication Publication Date Title
CN103358496B (en) The core-pulling device of a kind of cylinder uniform back-off cylinder core
CN203331368U (en) Core pulling device of cylindrical core with cylindrical surface on which reversely-buckled structures are evenly distributed
CN203900265U (en) Die structure for punching salient point
CN203155920U (en) Double-clamp once forging forming mold for high-speed railway insulator
CN104441495A (en) Under-cut demolding device for straightly pulling and transversely extracting injection mold
CN102873827A (en) Injection mold with inner large angle ejector demolding mechanism
CN204149456U (en) A kind of injection mold vertical pulling is horizontal takes out back-off stripper apparatus
CN104129037A (en) Automobile headlight light guide strip injection mold and injection molding method
CN203526514U (en) Embedded insert locating device
CN203972860U (en) The shaping dies of a kind of powder metallurgy bevel gear
CN103640078B (en) Automatic demoulding concrete rapidform machine
CN202922907U (en) Core pulling device of injection mould for panel with multiple inclined holes
CN203919584U (en) Automobile headlamp light-strip injection mould
CN104368710A (en) Expanding mold used for annular wave cone
CN204398115U (en) There is the brick machine rack construction of two topping up passage
CN102922690B (en) Core-pulling device of injection mold of panel having a plurality of inclined holes
CN102935695A (en) Molding mould of lateral tank cover of motorcycle
CN202952476U (en) Motorcycle side box cover forming mold
CN206899812U (en) A kind of mechanical synchronous low energy consumption hot press
CN204278339U (en) The segmented core rod of hollow brick moulding machine
CN204526022U (en) A kind of cast gate is separated injection mold
CN103538215A (en) Core pulling structure of rotating slide oil cylinder
CN203680498U (en) Combinable special sub-mold
CN203317701U (en) Inclined extraction demolding device arranged in fixed mold
CN204382480U (en) Subway trapezoidal track board mold side force-bearing table demolding structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant