CN103934989B - The interior barb demoulding mechanism of automobile lamp injection mold - Google Patents

The interior barb demoulding mechanism of automobile lamp injection mold Download PDF

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Publication number
CN103934989B
CN103934989B CN201410159599.3A CN201410159599A CN103934989B CN 103934989 B CN103934989 B CN 103934989B CN 201410159599 A CN201410159599 A CN 201410159599A CN 103934989 B CN103934989 B CN 103934989B
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China
Prior art keywords
core
plate
die
twice
automobile lamp
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CN201410159599.3A
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CN103934989A (en
Inventor
牟能杰
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Binhai Moulds & Plastics Group Co ltd
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Binhai Moulds & Plastics Group Co ltd
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Publication of CN103934989A publication Critical patent/CN103934989A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C45/4435Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

The interior barb demoulding mechanism of automobile lamp injection mold, comprise, lower compound plate, upper compound plate is divided into die cavity backing plate and is divided in die cavity and establish cavity block, lower compound plate is established between mould pin and establish Ejector Retainer Plate, thimble is pacified between fixed head, mould pin is established core plate and Ejector Retainer Plate, twice-die-opening control device pacified outward by fixed head, core plate is established in core to establish between core insert and cavity block and have automobile lamp, buckle and interior barb in automobile lamp flange inwall system, it is characterized in that core plate is pacified on slide block lock dog and establish core slide block, stopper slot and oblique guide hole is opened in establishing interior barb to loose core in core slide block, Angle Pin is pacified under die cavity, core insert is established in side slide and is driven pilot hole and coordinate with Angle Pin, pacify contiguous block under side slide to connect side and take out guide rod and coordinate with oblique guide hole, twice-die-opening control device comprises twice-die-opening push rod, core both sides peace twice-die-opening jacking block makes oblique sliding surface, on the peace guide post of core plate both sides, oblique surface processed contacts with oblique sliding surface.

Description

The interior barb demoulding mechanism of automobile lamp injection mold
Technical field
The present invention relates to injection mold, particularly relate to the interior barb demoulding mechanism of automobile lamp injection mold.
Background technology
Adopt injection mold when producing working of plastics, if the both sides of working of plastics are shaped with flange, and be shaped with at the inwall of flange and be tilted to interior buckle, formed with flange inwall stripping direction and interfere, and be shaped with interior barb at interior buckle head, stripping direction and the interior buckle of interior barb form interference again, prior art is then adopt strong off-square formula, namely during die sinking, thimble upwards ejects working of plastics by force, the interior buckle on working of plastics and interior barb is made to deviate from mould, easily cause barb and interior snapped-in position in working of plastics are pulled off or are out of shape like this when the demoulding, the scrappage of product is high.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, providing a kind of and ensureing that the interior buckle of working of plastics and interior barb can be loosed core smoothly, improving the interior barb demoulding mechanism of the automobile lamp injection mold of working of plastics yield rate.
The technical scheme of the interior barb demoulding mechanism of automobile lamp injection mold of the present invention is: comprise compound plate and lower compound plate, die cavity backing plate is set under upper compound plate, under die cavity backing plate, die cavity is set, in die cavity, cavity block is set, lower compound plate arranges mould pin, lower compound plate between mould pin is arranged Ejector Retainer Plate and thimble fixed head, between Ejector Retainer Plate and thimble fixed head, thimble is installed, mould pin arranges core plate, core plate, Ejector Retainer Plate and thimble fixed head outer wall install twice-die-opening control device, core plate arranges core, core insert is set in core, the automobile lamp of injection mo(u)lding is had between core insert and cavity block, thimble is through core plate, core and core insert contact with automobile lamp, the flange of arc to downward-extension is shaped with in automobile lamp both sides, flange inwall is shaped with interior buckle, interior buckle head is shaped with interior barb, it is characterized in that: described core plate is installed slide block lock dog, slide block lock dog fixes through screw and core plate, slide block lock dog arranges core slide block, flange inwall and the interior buckle of core slide block top and automobile lamp match, in core insert, slider guide is installed, slider guide contacts with core slide block, interior barb core-drawing hole is had in core slide block, arrange interior barb in interior barb core-drawing hole to loose core, interior barb is loosed core and to be matched with barb in automobile lamp, interior barb has stopper slot and oblique guide hole in loosing core, stop screw fixes through stopper slot and core slide block, stop screw head matches with stopper slot, under described die cavity, Angle Pin is installed, at core insert sidewall, side slide is set, pilot hole is driven in side slide, pilot hole matches with Angle Pin, under side slide, contiguous block is installed, contiguous block connection side takes out guide rod, side is taken out guide rod head and is shaped with inclined guide, the oblique guide hole that inclined guide and interior barb are loosed core matches, described twice-die-opening control device is included in Ejector Retainer Plate and thimble fixed head both sides outer wall installs twice-die-opening push rod, in core both sides, twice-die-opening jacking block is installed, twice-die-opening jacking block is shaped with oblique sliding surface, twice-die-opening push rod bottom contacts with twice-die-opening jacking block, in core plate both sides, guide post is installed, guide post is shaped with oblique surface, oblique surface contacts with oblique sliding surface.
The invention discloses a kind of interior barb demoulding mechanism of automobile lamp injection mold, when after automobile lamp injection mo(u)lding, lower compound plate band dynamic model pin, Ejector Retainer Plate, thimble fixed head, core plate, core, core insert and automobile lamp move backward, make mould from die cavity and core first time die sinking, while first time die sinking, Angle Pin under die cavity matches with the side slide of core insert sidewall, make side slide along the incline direction of Angle Pin to a Slideslip, side slide drives contiguous block, contiguous block drives side to take out guide rod to a Slideslip, the head that guide rod is taken out in side is inclined guide, the oblique guide hole that inclined guide and interior barb are loosed core coordinates, the oblique guide hole making inclined guide extract interior barb gradually out to loose core, in driving again, barb is loosed core and is slided to the inside simultaneously, interior barb is loosed core and extracts the interior barb of automobile lamp out, and lower compound plate continues band dynamic model pin, Ejector Retainer Plate, thimble fixed head, core plate, core, core insert and automobile lamp move backward, when the push rod of injector contacts with Ejector Retainer Plate through lower compound plate, injector push rod withstands Ejector Retainer Plate, thimble fixed head stops mobile, it is mobile that Ejector Retainer Plate and thimble fixed head drive thimble and twice-die-opening push rod to stop, thimble withstands automobile lamp and stops mobile, and twice-die-opening push rod withstands twice-die-opening jacking block stopping movement, twice-die-opening jacking block withstands core and core insert stops moving backward, make mould from core and core plate twice-die-opening, lower compound plate then continues to drive core plate, core plate band movable slider lock dog moves backward, slide block lock dog drives core slide block to move backward, core slide block matches with slider guide, slided along the bevel direction of slider guide in the top of core slide block, thus extract the interior buckle of automobile lamp out, now the oblique surface of guide post contacts with the oblique sliding surface of twice-die-opening jacking block, twice-die-opening jacking block is driven inwardly to slide by guide post, twice-die-opening push rod is made to disengage twice-die-opening jacking block, such core and core insert move backward under the induced effect of core plate, thimble is ejected completing the automobile lamp of loosing core, complete stripping action.The interior barb demoulding mechanism of this programme automobile lamp injection mold; in being driven by inclined guide when first time die sinking, barb in automobile lamp is deviate from barb horizontal slip of loosing core; make mould from core plate and core die sinking by twice-die-opening control device again; make core slide block under slider guide effect; buckle in automobile lamp is deviate from direction along slider guide; finally will complete the automobile lamp ejection device of loosing core by thimble, and make the demoulding smoothly of product energy, ensure its yield rate.
The interior barb demoulding mechanism of automobile lamp injection mold of the present invention, described interior barb has spring eye in loosing core, and arranges spring in spring eye, and one, spring contacts with spring eye inwall, and other end contacts with core slide block.There is spring, be conducive to interior barb and loose core the interior barb of automobile lamp, make interior barb loose core more level and smooth, smooth and easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the interior barb demoulding mechanism of automobile lamp injection mold;
Fig. 2 is A-A direction schematic cross-section of Fig. 1;
Fig. 3 is the B place close-up schematic view of Fig. 1.
Detailed description of the invention
The present invention relates to a kind of interior barb demoulding mechanism of automobile lamp injection mold, as shown in Fig. 1-Fig. 3, comprise compound plate 1 and lower compound plate 2, die cavity backing plate 3 is set under upper compound plate, die cavity 4 is set under die cavity backing plate, cavity block 5 is set in die cavity, lower compound plate 2 arranges mould pin 6, lower compound plate between mould pin is arranged Ejector Retainer Plate 7 and thimble fixed head 8, thimble 9 is installed between Ejector Retainer Plate and thimble fixed head, mould pin 6 arranges core plate 10, core plate, Ejector Retainer Plate 7 and thimble fixed head 8 outer wall install twice-die-opening control device, core plate arranges core 11, core insert 12 is set in core, the automobile lamp 13 of injection mo(u)lding is had between core insert and cavity block 5, thimble 9 is through core plate 10, core 11 and core insert 12 contact with automobile lamp 13, the flange 30 of arc to downward-extension is shaped with in automobile lamp both sides, flange inwall is shaped with interior buckle 31, interior buckle head is shaped with interior barb 32, it is characterized in that: described core plate 10 installs slide block lock dog 14, slide block lock dog fixes through screw and core plate, slide block lock dog arranges core slide block 15, flange 30 inwall and the interior buckle 31 of core slide block top and automobile lamp 13 match, slider guide 16 is installed in core insert 12, slider guide contacts with core slide block, interior barb core-drawing hole 17 is had in core slide block, in interior barb core-drawing hole, interior barb is set and looses core 18, interior barb is loosed core and to be matched with barb 32 in automobile lamp 13, interior barb has stopper slot 19 and oblique guide hole 20 in loosing core, stop screw 21 fixes through stopper slot 19 and core slide block 15, stop screw head matches with stopper slot, described die cavity installs Angle Pin 27 4 times, at core insert 12 sidewall, side slide 28 is set, pilot hole 29 is driven in side slide, pilot hole matches with Angle Pin, contiguous block 42 is installed under side slide, contiguous block connection side takes out guide rod 43, side is taken out guide rod head and is shaped with inclined guide 44, inclined guide and interior barb loose core 18 oblique guide hole 20 match, described twice-die-opening control device is included in Ejector Retainer Plate 7 and thimble fixed head 8 both sides outer wall installs twice-die-opening push rod 22, in core 11 both sides, twice-die-opening jacking block 23 is installed, twice-die-opening jacking block is shaped with oblique sliding surface 24, twice-die-opening push rod bottom contacts with twice-die-opening jacking block, in core plate 10 both sides, guide post 25 is installed, guide post is shaped with oblique surface 26, oblique surface contacts with oblique sliding surface.When after automobile lamp 13 injection mo(u)lding, lower compound plate 2 is with dynamic model pin 6, Ejector Retainer Plate 7, thimble fixed head 8, core plate 10, core 11, core insert 12 and automobile lamp 13 move backward, make mould from die cavity 4 and core 11 first time die sinking, while first time die sinking, Angle Pin 27 under die cavity 4 matches with the side slide 28 of core insert 12 sidewall, make side slide along the incline direction of Angle Pin 27 to a Slideslip, side slide drives contiguous block 42, contiguous block drives side to take out guide rod 43 to a Slideslip, the head that guide rod is taken out in side is inclined guide 44, inclined guide and interior barb loose core 18 oblique guide hole 20 coordinate, make inclined guide 44 extract out gradually in barb loose core 18 oblique guide hole 20, in driving again, barb is loosed core and 18 to be slided to the inside simultaneously, interior barb is loosed core and extracts the interior barb 32 of automobile lamp 13 out, and lower compound plate 2 continues band dynamic model pin 6, Ejector Retainer Plate 7, thimble fixed head 8, core plate 10, core 11, core insert 12 and automobile lamp 13 move backward, when the push rod of injector contacts with Ejector Retainer Plate 7 through lower compound plate 2, injector push rod withstands Ejector Retainer Plate 7, thimble fixed head 8 stops mobile, it is mobile that Ejector Retainer Plate and thimble fixed head drive thimble 9 and twice-die-opening push rod 22 to stop, thimble withstands automobile lamp 13 and stops mobile, and twice-die-opening push rod 22 withstands twice-die-opening jacking block 23 stopping movement, twice-die-opening jacking block withstands core 11 and core insert 12 stops moving backward, make mould from core and core plate 10 twice-die-opening, lower compound plate 2 continues to drive core plate, core plate band movable slider lock dog 14 moves backward, slide block lock dog drives core slide block 15 to move backward, core slide block matches with slider guide 16, slided along the bevel direction of slider guide in the top of core slide block, thus extract the interior buckle 31 of automobile lamp 13 out, now the oblique surface 26 of guide post 25 contacts with the oblique sliding surface 24 of twice-die-opening jacking block 23, twice-die-opening jacking block 23 is driven inwardly to slide by guide post 25, twice-die-opening push rod 22 is made to disengage twice-die-opening jacking block, such core 11 and core insert 12 move backward under the induced effect of core plate 10, thimble 9 is ejected completing the automobile lamp 13 of loosing core, complete stripping action.The interior barb demoulding mechanism of this programme automobile lamp injection mold; 18 horizontal slips of loosing core of interior barb are driven to deviate from barb 32 in automobile lamp 13 when first time die sinking by inclined guide 44; make mould from core plate 10 and core 11 die sinking by twice-die-opening control device again; make core slide block 15 under slider guide 16 acts on; buckle 31 in automobile lamp 13 is deviate from direction along slider guide; finally the automobile lamp ejection device of loosing core will be completed by thimble 9; make the demoulding smoothly of product energy, ensure its yield rate.Described interior barb is loosed core in 18 and is had spring eye 40, and arrange spring 41 in spring eye, one, spring contacts with spring eye inwall, and other end contacts with core slide block 15.There is spring 41, be conducive to interior barb and loose core the 18 interior barbs 32 deviating from automobile lamp 13, make interior barb loose core more level and smooth, smooth and easy.

Claims (2)

1. the interior barb demoulding mechanism of automobile lamp injection mold, comprise compound plate (1) and lower compound plate (2), die cavity backing plate (3) is set under upper compound plate, die cavity (4) is set under die cavity backing plate, cavity block (5) is set in die cavity, lower compound plate (2) arranges mould pin (6), lower compound plate between mould pin is arranged Ejector Retainer Plate (7) and thimble fixed head (8), thimble (9) is installed between Ejector Retainer Plate and thimble fixed head, mould pin (6) arranges core plate (10), core plate, Ejector Retainer Plate (7) and thimble fixed head (8) outer wall install twice-die-opening control device, core plate arranges core (11), core insert (12) is set in core, the automobile lamp (13) of injection mo(u)lding is had between core insert and cavity block (5), thimble (9) is through core plate (10), core (11) and core insert (12) contact with automobile lamp (13), the flange (30) of arc to downward-extension is shaped with in automobile lamp both sides, flange inwall is shaped with interior buckle (31), interior buckle head is shaped with interior barb (32), it is characterized in that: described core plate (10) is upper installs slide block lock dog (14), slide block lock dog fixes through screw and core plate, slide block lock dog arranges core slide block (15), flange (30) inwall and the interior buckle (31) of core slide block top and automobile lamp (13) match, in core insert (12), slider guide (16) is installed, slider guide contacts with core slide block, interior barb core-drawing hole (17) is had in core slide block, interior barb is set in interior barb core-drawing hole and looses core (18), interior barb is loosed core and to be matched with the interior barb (32) of automobile lamp (13), interior barb has stopper slot (19) and oblique guide hole (20) in loosing core, stop screw (21) fixes through stopper slot (19) and core slide block (15), stop screw head matches with stopper slot, Angle Pin (27) is installed under described die cavity (4), at core insert (12) sidewall, side slide (28) is set, pilot hole (29) is driven in side slide, pilot hole matches with Angle Pin, contiguous block (42) is installed under side slide, contiguous block connection side takes out guide rod (43), side is taken out guide rod head and is shaped with inclined guide (44), loose core with the interior barb oblique guide hole (20) of (18) of inclined guide matches, described twice-die-opening control device is included in Ejector Retainer Plate (7) and thimble fixed head (8) both sides outer wall installs twice-die-opening push rod (22), in core (11) both sides, twice-die-opening jacking block (23) is installed, twice-die-opening jacking block is shaped with oblique sliding surface (24), twice-die-opening push rod bottom contacts with twice-die-opening jacking block, in core plate (10) both sides, guide post (25) is installed, guide post is shaped with oblique surface (26), oblique surface contacts with oblique sliding surface.
2. the interior barb demoulding mechanism of automobile lamp injection mold as claimed in claim 1; it is characterized in that: described interior barb is loosed core in (18) and had spring eye (40); spring (41) is set in spring eye; one, spring contacts with spring eye inwall, and other end contacts with core slide block (15).
CN201410159599.3A 2014-04-21 2014-04-21 The interior barb demoulding mechanism of automobile lamp injection mold Active CN103934989B (en)

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Application Number Priority Date Filing Date Title
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CN103934989B true CN103934989B (en) 2016-03-09

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CN104526981B (en) * 2014-12-12 2017-01-18 台州市黄岩炜大塑料机械有限公司 Secondary die opening slide block internal pulling mechanism of junction box die
CN107914360A (en) * 2016-10-10 2018-04-17 衡阳新华华致橡塑制品有限公司 The weather strip for automobile injection that built-in can be buckled connects angle mould
CN108015995B (en) * 2018-01-18 2024-05-31 台州市优立模塑科技股份有限公司 Secondary parting inner shrinkage demoulding mechanism of round plastic part mould
CN109016396B (en) * 2018-10-11 2023-08-18 杭州强本塑胶科技有限公司 Injection mold of coffee pot
CN109291378B (en) * 2018-11-13 2024-01-16 宁波华众模具制造有限公司 Unhooking mechanism of automobile door panel support die
CN109228194A (en) * 2018-11-21 2019-01-18 浙江三雷模塑有限公司 Car insurance bar mold with special-shaped back-off pitched roof mechanism
CN109774078A (en) * 2019-02-28 2019-05-21 创意塑胶工业(苏州)有限公司 A kind of production injection mold with back-off structure
CN110154327B (en) * 2019-06-25 2021-12-14 浙江台州美多模具有限公司 Blind core-pulling mechanism of injection mold
CN113650246B (en) * 2021-08-20 2023-03-24 江苏星科精密模具有限公司 Automobile lamp injection mold with inner barb demolding mechanism
CN114889063A (en) * 2022-06-15 2022-08-12 宁波峰亚电器有限公司 Air fryer side plate injection mold
CN115556319B (en) * 2022-10-18 2023-08-04 合肥昊翔汽车零部件有限公司 Injection molding demolding mechanical arm for automobile rearview mirror outer shell

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CN203019638U (en) * 2012-12-21 2013-06-26 台州市凯华塑业有限公司 Internal undercut demoulding mechanism of injection mold
CN103419335A (en) * 2013-09-04 2013-12-04 南宁燎旺车灯有限责任公司 Automobile lamp mould with wide-angle sliding block two-time motion structure
CN203863960U (en) * 2014-04-21 2014-10-08 滨海模塑集团有限公司 Inner barb demolding mechanism of automobile light injection mold

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203019638U (en) * 2012-12-21 2013-06-26 台州市凯华塑业有限公司 Internal undercut demoulding mechanism of injection mold
CN103419335A (en) * 2013-09-04 2013-12-04 南宁燎旺车灯有限责任公司 Automobile lamp mould with wide-angle sliding block two-time motion structure
CN203863960U (en) * 2014-04-21 2014-10-08 滨海模塑集团有限公司 Inner barb demolding mechanism of automobile light injection mold

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