CN205969788U - Plastic chair mould chair foot sticks up rod -type clamping mechanism of loosing core - Google Patents

Plastic chair mould chair foot sticks up rod -type clamping mechanism of loosing core Download PDF

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Publication number
CN205969788U
CN205969788U CN201620788716.7U CN201620788716U CN205969788U CN 205969788 U CN205969788 U CN 205969788U CN 201620788716 U CN201620788716 U CN 201620788716U CN 205969788 U CN205969788 U CN 205969788U
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CN
China
Prior art keywords
core
pulling
chair leg
seat support
chair
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Withdrawn - After Issue
Application number
CN201620788716.7U
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Chinese (zh)
Inventor
王金满
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TAIZHOU HUANGYAN UNION MOULD INDUSTRY Co Ltd
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TAIZHOU HUANGYAN UNION MOULD INDUSTRY Co Ltd
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Priority to CN201620788716.7U priority Critical patent/CN205969788U/en
Application granted granted Critical
Publication of CN205969788U publication Critical patent/CN205969788U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

Plastic chair mould chair foot sticks up rod -type clamping mechanism of loosing core, including movable mould board and fixed die plate, installation runner board on the fixed die plate, the installation seat support back of the chair is inserted in the movable mould board, it inserts to set up seat support chair foot on the movable mould board and the seat support back of the chair are inserted, the installation back is inserted in the fixed die plate, on loose core and set up the mode locking lug on the slider, the one end and the mode locking lug of mode locking pole cooperate, movable mould board outer wall installation top rod, the ejector pin top is in another below of mode locking pole, set up compression spring in the runner board, pass the depression bar among the compression spring, the depression bar inserts in another of mode locking pole, and another overhead side that compression spring pressed at the mode locking pole, under loose core and set up down the mode locking lug on the slider, set up down the mode locking recess in the movable mould board, lower mode locking lug and mode locking groove phase cooperation down, the seat support chair foot lateral wall installation die sinking hydro -cylinder of inserting, the fixed die plate is connected to the die sinking hydro -cylinder. Adopting second opend mold and sticking up the rod -type drawing of patterns to combine together, realize upper and lower core - pulling rod core pulling and demolding simultaneously, product quality is good, and production efficiency is high.

Description

Plastic chair mould chair leg sticks up rod-type core pulling clamping mechanism
Technical field
The present invention relates to a kind of plastic chair mould chair leg sticks up rod-type core pulling clamping mechanism, belong to injection mold field.
Background technology
Plastic, such as plastic chair etc. are produced using injection mold.The species of plastic chair has a lot, specific construction Different.When producing a kind of plastic chair with hollow chair leg and Rattan-shaped seat support, the chair leg demoulding of hollow needs core pulling, The Rattan-shaped seat support demoulding is also required to core pulling, and chair leg core pulling is usually to complete before mould die sinking, stable to guarantee core pulling.But In actual production, because the volume of plastic chair mould is larger, injection pressure is big, and the core pulling oil cylinder of hollow chair leg bears very big pressure Power, is susceptible to the mould situation that rises, so needing to arrange clamping mechanism on chair leg core-pulling mechanism, to prevent the mould that rises.Chair leg has 4 Root, is divided into two and lower two in injection, and the clamping mechanism that traditional moulds connect root chair leg adopts cover half side chain mould mostly Mode, installs lock module in the cover half side of mould, and lock module keeps off outside core-pulling slide block, reaches and prevents core-pulling slide block because of injection The phenomenon that the mould that rises occurs retreating in pressure big two occurs.And the separation of lock module relies on mould die sinking power to complete.Lower two Root chair leg locked mode generally adopts slide block structure, complex structure.
Content of the invention
The invention aims to overcoming the shortcoming of prior art, one kind is provided using twice-die-opening and to stick up bar structure phase In conjunction with automatically being pushed using spring force, make the plastic chair of lock module core pulling in the case that the seat support insert of mould does not mold Mould chair leg sticks up rod-type core pulling clamping mechanism.
The technical scheme that plastic chair mould chair leg of the present invention sticks up rod-type core pulling clamping mechanism is:Including mould moving platen with calmly Template, solid plate installs gate plate, installs seat support chair back insert in moving platen, and moving platen and seat support chair back insert arrange chair Seat foot insert, installs backrest insert in solid plate, backrest insert is matched with seat support chair back insert and constitutes chair back die cavity, the chair back The injection mo(u)lding chair back in die cavity, seat support chair back insert is matched with seat support chair leg insert and constitutes seat support die cavity, notes in seat support die cavity Molded seat support, the top surface of seat support chair leg insert and bottom surface match with solid plate and moving platen respectively the upper chair leg die cavity of composition and Hollow chair leg and lower hollow chair leg in difference injection mo(u)lding in lower chair leg die cavity, upper chair leg die cavity and lower chair leg die cavity, upper hollow Chair leg and lower hollow chair leg respectively has core pulling clamping mechanism it is characterised in that the core pulling clamping mechanism of described upper hollow chair leg includes Upper core_pulling pole in upper hollow chair leg, the outer end of upper core_pulling pole connects upper core-pulling slide block, and upper core-pulling slide block is arranged on to be taken out In core support, upper core pulling support is arranged on seat support chair leg insert outer wall top, and upper core-pulling slide block is by upper core pulling oil cylinder through upper cylinder Bar connects drive core pulling, and upper core-pulling slide block arranges locked mode projection, arranges locked mode through groove, locked mode through groove in described solid plate Middle setting bearing pin, activity setting locked mode bar on bearing pin, one of locked mode bar is matched with locked mode projection, described moving platen outer wall Push rod is installed, push rod withstands on below the other end of locked mode bar, in described gate plate, compression spring is set, passes through in compression spring Depression bar, depression bar inserts in the other end of locked mode bar, and compression spring is pressed in above the other end of locked mode bar;Described lower middle empty chair The core pulling clamping mechanism of foot includes the lower core_pulling pole in lower hollow chair leg, and the outer end of lower core_pulling pole connects lower core-pulling slide block, Lower core-pulling slide block is arranged in lower core pulling support, and lower core pulling support is arranged on seat support chair leg insert outer wall bottom, lower core-pulling slide block Connected through lower cylinder rod by lower core pulling oil cylinder and drive core pulling, lower core-pulling slide block arranges lower locked mode projection, under arranging in moving platen Locked mode groove, lower locked mode projection and lower locked mode fit depressions, described seat support chair leg insert side wall installs die sinking oil cylinder, die sinking Oil cylinder connects solid plate.
The invention discloses a kind of plastic chair mould chair leg sticks up rod-type core pulling clamping mechanism, during injection, because upper locked mode is convex Block and locked mode bar and the locked mode effect of lower locked mode projection and lower locked mode groove, make core-pulling slide block and lower core-pulling slide block in injection pressure Standing fast under power, effectively preventing mould from rising by mould it is ensured that being molded quality.During the demoulding, upper and lower chair leg core pulling before this, then seat support cunning The dynamic demoulding, the last chair back, seat support and chair leg ejection device.The feelings being mainly characterized by not molding in seat support chair leg insert of this programme Under condition, core_pulling pole and the unblock core pulling of lower core_pulling pole in realization.First, moving platen and seat support chair back insert are driven by injection machine power With solid plate die sinking, because die sinking oil cylinder installed by seat support chair leg insert side wall, die sinking oil cylinder connects solid plate, therefore, seat support chair Foot insert is motionless, the lower locked mode on the lower locked mode projection on lower core-pulling slide block making to be arranged in seat support chair leg insert and moving platen Groove departs from, and realizes lower core_pulling pole core pulling.Meanwhile, push rod is driven to move during moving platen die sinking, push rod is departed from locked mode bar, locked mode One of bar, in the presence of compression spring and depression bar, tilts around bearing pin, so that the other end of locked mode bar and upper locked mode projection is taken off From core_pulling pole core pulling in realization.Then, mold cylinder efficient, drive seat support chair leg insert to mold with solid plate, by the top of mould Go out mechanism by outside the product ejection die of molding, complete product stripping.This programme is dexterously taken off with sticking up rod-type using twice-die-opening Mould combines, and in realization, core_pulling pole and lower core_pulling pole core_pulling demoulding simultaneously, reach mould upper and lower chair leg in the case of not molding Complete the purpose of core pulling, both prevented from rising by mould it is ensured that product is molded quality, and the demoulding is smoothly, production efficiency is high.
Brief description
Fig. 1 is the upper hollow chair leg core pulling mould-locking structure schematic diagram of the present invention;
Fig. 2 is the locked mode bar section schematic diagram of the present invention;
Fig. 3 is the lower hollow chair leg core pulling mould-locking structure schematic diagram of the present invention;
Fig. 4 is that the chair leg of the present invention sticks up rod-type core pulling clamping mechanism schematic perspective view.
Specific embodiment
The present invention relates to a kind of plastic chair mould chair leg sticks up rod-type core pulling clamping mechanism, as shown in Fig. 1 Fig. 4, including mould Tool moving platen 1 and solid plate 2, solid plate installs gate plate 3, installs seat support chair back insert 4, moving platen 1 and chair in moving platen 1 In seat back insert 4, seat support chair leg insert 5 is set, backrest insert 6, backrest insert 6 and seat support chair back insert 4 are installed in solid plate The composition that matches chair back die cavity, the injection mo(u)lding chair back 10 in chair back die cavity, seat support chair back insert 4 is matched with seat support chair leg insert 5 Close and constitute seat support die cavity, injection mo(u)lding seat support 11 in seat support die cavity, the top surface of seat support chair leg insert 5 and bottom surface respectively with solid plate 2 and moving platen 1 match the upper chair leg die cavity of composition and lower chair leg die cavity, be molded into respectively in upper chair leg die cavity and lower chair leg die cavity Hollow chair leg 12 and lower hollow chair leg 13 in type, upper hollow chair leg 12 and lower hollow chair leg 13 respectively have core pulling clamping mechanism, described The core pulling clamping mechanism of upper hollow chair leg 12 include the upper core_pulling pole 21 in upper hollow chair leg 12, the outer end of upper core_pulling pole Core-pulling slide block 22 in connection, upper core-pulling slide block is arranged in core pulling support 23, and upper core pulling support 23 is arranged on seat support chair leg edge Block 5 outer wall top, upper core-pulling slide block 22 connects drive core pulling by upper core pulling oil cylinder 20 through the cylinder rod 24 that oils, on upper core-pulling slide block 22 Locked mode projection 25 in setting, arranges locked mode through groove 26 in described solid plate 2, arranges bearing pin 27 in locked mode through groove, and bearing pin is lived Dynamic setting locked mode bar 28, one of locked mode bar is matched with locked mode projection 25, and described moving platen 1 outer wall installs push rod 29, top Bar 29 withstands on below the other end of locked mode bar 28, arranges compression spring 30 in described gate plate 3, passes through depression bar in compression spring 31, depression bar 31 inserts in the other end of locked mode bar 28, and compression spring 30 is pressed in above the other end of locked mode bar 28;Under described The core pulling clamping mechanism of hollow chair leg 13 includes the lower core_pulling pole 41 in lower hollow chair leg 13, and the outer end of lower core_pulling pole connects Lower core-pulling slide block 42, lower core-pulling slide block is arranged in lower core pulling support 43, and lower core pulling support 43 is arranged on outside seat support chair leg insert 5 Wall bottom, lower core-pulling slide block 42 connects drive core pulling by lower core pulling oil cylinder 40 through lower cylinder rod 44, and lower core-pulling slide block 42 is arranged Lower locked mode projection 45, arranges lower locked mode groove 46, lower locked mode projection 45 is matched with lower locked mode groove 46, described in moving platen 1 Seat support chair leg insert 5 side wall die sinking oil cylinder 47 is installed, die sinking oil cylinder 47 connects solid plate 2.During injection, due to upper locked mode projection 25 and locked mode bar 28 and the locked mode effect of lower locked mode projection 45 and lower locked mode groove 46, make core-pulling slide block 22 and lower core-pulling slide block 42 stand fast under injection pressure, effectively prevent mould from rising by mould it is ensured that being molded quality.During the demoulding, upper and lower chair leg core pulling before this, Then the seat support slip demoulding, the last chair back, seat support and chair leg ejection device.Being mainly characterized by seat support chair leg insert of this programme In the case that 5 do not mold, core_pulling pole 21 and the unblock core pulling of lower core_pulling pole 41 in realization.First, dynamic model is driven by injection machine power Plate 1 and seat support chair back insert 4 are molded with solid plate 2, because die sinking oil cylinder 47 installed by seat support chair leg insert 5 side wall, mold oil cylinder 47 connection solid plates 2, therefore, seat support chair leg insert 5 is motionless, on the lower core-pulling slide block 42 making to be arranged in seat support chair leg insert 5 Lower locked mode projection 45 depart from the lower locked mode groove 46 on moving platen 1, realize lower core_pulling pole 41 core pulling.Meanwhile, moving platen 1 is opened Drive during mould that push rod 29 is mobile, push rod 29 is departed from locked mode bar 28, one of locked mode bar 28 in compression spring 30 and depression bar 31 Under effect, tilt around bearing pin 27, so that the other end of locked mode bar 28 and upper locked mode projection 25 is departed from, in realization, core_pulling pole 21 is taken out Core.Then, die sinking oil cylinder 47 works, and drives seat support chair leg insert 5 to mold with solid plate 2, by mould ejecting mechanism by molding Product ejection die outside, complete product stripping.This programme, dexterously using twice-die-opening with stick up the rod-type demoulding and combine, is realized Upper core_pulling pole 21 and lower core_pulling pole 41 core_pulling demoulding simultaneously, reach mould upper and lower chair leg in the case of not molding and complete core pulling Purpose, the mould that both prevents from rising is it is ensured that product injection quality, and the demoulding is smoothly, and production efficiency is high.

Claims (1)

1. plastic chair mould chair leg sticks up rod-type core pulling clamping mechanism, including mould moving platen(1)And solid plate(2), on solid plate Gate plate is installed(3), moving platen(1)Middle installation seat support chair back insert(4), moving platen(1)With seat support chair back insert(4)Upper setting Seat support chair leg insert(5), backrest insert is installed in solid plate(6), backrest insert(6)With seat support chair back insert(4)Match structure Become chair back die cavity, the injection mo(u)lding chair back in chair back die cavity(10), seat support chair back insert(4)With seat support chair leg insert(5)Match Constitute seat support die cavity, injection mo(u)lding seat support in seat support die cavity(11), seat support chair leg insert(5)Top surface and bottom surface respectively with cover half Plate(2)And moving platen(1)The upper chair leg die cavity of the composition that matches and lower chair leg die cavity, in upper chair leg die cavity and lower chair leg die cavity respectively Hollow chair leg in injection mo(u)lding(12)With lower hollow chair leg(13), upper hollow chair leg(12)With lower hollow chair leg(13)Respectively there is core pulling Clamping mechanism is it is characterised in that described upper hollow chair leg(12)Core pulling clamping mechanism include positioned at upper hollow chair leg(12)Interior Upper core_pulling pole(21), the outer end of upper core_pulling pole connects upper core-pulling slide block(22), upper core-pulling slide block is arranged on core pulling support (23)In, upper core pulling support(23)It is arranged on seat support chair leg insert(5)Outer wall top, upper core-pulling slide block(22)By upper core pulling oil cylinder (20)Through the cylinder rod that oils(24)Connect and drive core pulling, upper core-pulling slide block(22)On locked mode projection is set(25), described cover half Plate(2)Middle setting locked mode through groove(26), bearing pin is set in locked mode through groove(27), activity setting locked mode bar on bearing pin(28), locked mode One of bar and locked mode projection(25)Match, described moving platen(1)Outer wall installs push rod(29), push rod(29)Withstand on locked mode Bar(28)Other end below, described gate plate(3)Middle setting compression spring(30), in compression spring, pass through depression bar(31), Depression bar(31)Insertion locked mode bar(28)Other end in, and compression spring(30)It is pressed in locked mode bar(28)Other end above;Institute The lower hollow chair leg stated(13)Core pulling clamping mechanism include positioned at lower hollow chair leg(13)In lower core_pulling pole(41), lower core pulling The outer end of bar connects lower core-pulling slide block(42), lower core-pulling slide block is arranged on lower core pulling support(43)In, lower core pulling support(43)Peace It is contained in seat support chair leg insert(5)Outer wall bottom, lower core-pulling slide block(42)By lower core pulling oil cylinder(40)Through lower cylinder rod(44)Connect Drive core pulling, lower core-pulling slide block(42)The lower locked mode projection of upper setting(45), moving platen(1)The lower locked mode groove of middle setting(46), under Locked mode projection(45)With lower locked mode groove(46)Match, described seat support chair leg insert(5)Die sinking oil cylinder installed by side wall(47), Die sinking oil cylinder(47)Connect solid plate(2).
CN201620788716.7U 2016-07-26 2016-07-26 Plastic chair mould chair foot sticks up rod -type clamping mechanism of loosing core Withdrawn - After Issue CN205969788U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620788716.7U CN205969788U (en) 2016-07-26 2016-07-26 Plastic chair mould chair foot sticks up rod -type clamping mechanism of loosing core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620788716.7U CN205969788U (en) 2016-07-26 2016-07-26 Plastic chair mould chair foot sticks up rod -type clamping mechanism of loosing core

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106003603A (en) * 2016-07-26 2016-10-12 台州市黄岩汉威塑料模具有限公司 Chair foot upwarp rod type core loosing and mold locking mechanism of plastic chair mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106003603A (en) * 2016-07-26 2016-10-12 台州市黄岩汉威塑料模具有限公司 Chair foot upwarp rod type core loosing and mold locking mechanism of plastic chair mold

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20170222

Effective date of abandoning: 20171117

AV01 Patent right actively abandoned