CN105599238A - Automatic cutting sprue mechanism of injection mold - Google Patents

Automatic cutting sprue mechanism of injection mold Download PDF

Info

Publication number
CN105599238A
CN105599238A CN201610089265.2A CN201610089265A CN105599238A CN 105599238 A CN105599238 A CN 105599238A CN 201610089265 A CN201610089265 A CN 201610089265A CN 105599238 A CN105599238 A CN 105599238A
Authority
CN
China
Prior art keywords
cast gate
cutting knife
injection
gate
cutter
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.)
Pending
Application number
CN201610089265.2A
Other languages
Chinese (zh)
Inventor
魏霓
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.)
Huayu Vision Technology Shanghai Co Ltd
Original Assignee
Shanghai Koito Automotive Lamp 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 Shanghai Koito Automotive Lamp Co Ltd filed Critical Shanghai Koito Automotive Lamp Co Ltd
Priority to CN201610089265.2A priority Critical patent/CN105599238A/en
Publication of CN105599238A publication Critical patent/CN105599238A/en
Priority claimed from PCT/CN2016/090385 external-priority patent/WO2017140086A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C45/38Cutting-off equipment for sprues or ingates
    • B29C45/382Cutting-off equipment for sprues or ingates disposed outside the mould

Abstract

The invention discloses an automatic cutting sprue mechanism of an injection mold, and relates to injection molding of plastic or plastic state materials and equipment thereof, in particular to a cut-off device for a sprue or inner sprue of injection molding equipment. The cut-off device comprises a cutter device and a driving device, the cutter device comprises a first sprue insert and a second sprue insert, a sprue cutter is detachably fixed to a sprue cutter holder and penetrates through a cutter guide groove in a slide fit mode, and the sprue cutter holder penetrates through a cutter guide sleeve in a slide fit mode to form two segment guide linear motion mode of the sprue cutter; the driving device pushes the sprue cutter and the first sprue insert to be matched to generate shearing force, and sprues of injection molding products are cut off. The mechanism can be arranged flexibly according to the structure of sprues, in different shapes, of the injection molding products, and is convenient to fast repair and replace, the gap between the cutter and a mold in the process of cutting off the sprues is convenient to adjust, it can be avoided that a slitter edge is formed by an injection molding material residual in the gap, and the efficiency of injection molding production is improved.

Description

A kind of injection mold gate mechanism of autotomying
Technical field
The present invention relates to injection moulding and the equipment thereof of plastics or plastic state substance, relate in particular to a kind of for injection-moulding deviceCast gate or the shearing device of ingate.
Background technology
The complex geometry such as lens, photoconduction and the speculum of automobile lamp, adopt BMC material (BMC) conventionallyOr PC material (polycarbonate plastic) injection mo(u)lding, existing injection mold gate structure is generally simple and easy cast gate, productAfter injection mo(u)lding, need artificially cast gate to be removed, and burr unnecessary cast gate place are struck off. Cast gate demolishing process not only can waveTake a large amount of human resources, but also be easy in the time scraping burr damage of product, increase the loss of product.
Chinese invention patent application " cast gate cutting injection moulding mould " (application for a patent for invention number: 201410431137.2 applicationsPublication No.: CN104175498A) a kind of cast gate cutting injection moulding mould is disclosed, comprising: base, mold, bed die,Top board, guide pillar guide pin bushing, injection molding tube, tube core, spring and heater, described base is provided with on bed die, bed die and establishesBe equipped with mold, top board is arranged on mold top base surrounding and is provided with guide pillar guide pin bushing, and described injection molding tube is arranged on patrixTool top, and coaxially arranged with mold central axis, in injection molding tube, be provided with tube core, spring housing is connected on tube core, noteMould pipe arranged outside having heaters. The tube core front end of this cast gate cutting injection moulding mould is provided with cut-out head, can conveniently cut offCast gate is realized the removing of gate vestiges. But, due to complex geometry such as lens, photoconduction and the speculums of automobile lamp,Its gate shape also varies, and the cut-out head of technique scheme is placed in cast gate inside, cannot meet difformity and waterThe requirement of mouth, can not adapt to the requirement of the modern production pattern of the many kinds of small lot completely.
Summary of the invention
The object of the present invention is to provide a kind of for removing the injection mold of cast gate of the injecting products gate mechanism of autotomying, thisInvention solves the problems of the technologies described above adopted technical scheme and is:
A kind of injection mold gate mechanism of autotomying, forms by cutter with for the drive unit that drives cutter, usesIn the cast gate of removing injecting products, it is characterized in that, described cutter forms first of injection channel after comprising matched mouldsGating insert and the second gating insert, for cutting off the cast gate cutting knife of cast gate and the cast gate tool rest of fixing cast gate cutting knife, andFor cast gate cutting knife and cast gate tool rest provide the cutting knife guide pin bushing of guiding; The inside of described the second gating insert is dug to have with cast gate and is cutThe cutting knife guide groove that cutter is slidably matched; The center line of described cutting knife guide groove and cutting knife guide pin bushing and the linear movement direction of cast gate cutting knife are altogetherLine; Described cast gate cutting knife is fixed on cast gate tool rest with removably, inlays through the second cast gate with sliding matching modeThe cutting knife guide groove of piece inside, described cast gate tool rest through cutting knife guide pin bushing, forms two of cast gate cutting knife with sliding matching modeSection guiding rectilinear motion mode; Described drive unit promotes cast gate tool rest along cutting knife guide bush movement, drives cast gate cutting knife to existIn the cutting knife guide groove of the second gating insert, slide, coordinate with the first gating insert and produce shearing force, cut off and connect injecting productsCast gate.
The preferably technical scheme of one that injection mold of the present invention is autotomyed gate mechanism, is characterized in that described hydraulic cylinderThe maximum pressure that footpath can bear is greater than the injection pressure that in injection moulding process, cast gate cutting knife bears; Described hydraulic cylinder canEnough coupling mechanism forces that cast gate cutting knife is provided during mould mold-closing injection can provide again in injecting products ejection device processThe cut-out driving force of cast gate cutting knife.
The better technical scheme of one that injection mold of the present invention is autotomyed gate mechanism, the cutting knife described in it is characterized in that is ledCover is fixed on the dynamic model side of injection mold by cutting knife guide pin bushing backing plate; Described drive unit comprises inclined-plane chute, connecting rodAnd hydraulic cylinder; The head of described inclined-plane chute is connected to the T-shaped slide block of cast gate tool rest, described inclined-plane by oblique T-shaped grooveThe afterbody of chute is connected to the connecting rod of hydraulic cylinder by the T-shaped groove of normal direction, form the inclined plane slide block structure that drives cast gate cutting knife;Described hydraulic cylinder promotes cast gate tool rest along cutting knife guide bush movement by inclined-plane chute, drives cast gate cutting knife to inlay at the second cast gateIn the cutting knife guide groove of piece, slide; Described cast gate cutting knife coordinates generation shearing force with the first gating insert, cut off and connect injection mouldingThe cast gate of product.
The better technical scheme of another kind that injection mold of the present invention is autotomyed gate mechanism, for carrying cover half side ejectorThe injection machine of structure, the thrust part of the cover half side ejecting mechanism that the drive unit described in it is characterized in that is injection machine, described inCutting knife guide pin bushing be fixed on the cover half side of injection mold by cutting knife guide pin bushing backing plate, described cast gate tool rest is connected to injection machineCover half side ejecting mechanism, rely on the thrust that ejects of injection machine cover half side, promote cast gate cutting knife and fit with the first gating insertAnd produce shearing force, before injecting products ejection die, cut off its cast gate.
The improved technical scheme of one that injection mold of the present invention is autotomyed gate mechanism, first described in it is characterized in that watersMouth is embedded with gating insert backing plate on inserting, and regulates coordinating between cutting knife and cast gate cutting knife by adjusting gating insert backing plateGap, makes gating insert backing plate tightly coordinate with the cutting edge of cast gate cutting knife, to avoid injected plastics material to remain in the whole gap of joiningInterior formation slitter edge.
The preferred technical scheme of one that injection mold of the present invention is autotomyed gate mechanism, is characterized in that described cast gate cutting knifeMoulding consistent with the shape at injecting products cast gate position, the cutting edge angle of described cast gate cutting knife is 45~55 °, cuttingSword thickness is 1.0~1.5mm.
The invention has the beneficial effects as follows:
1, the injection mold of the present invention gate mechanism of autotomying adopts the second gating insert and the first gating insert structure, Ke YigenAccording to the structure fast and flexible of injecting products difformity cast gate configure, and be convenient to rapid-maintenance and change. Adopt replaceableThe gating insert backing structure of formula, is convenient to adjust the gap between cutting knife and mould in gate cutting process, can avoid noteMoulding material remains in gap and forms slitter edge, improves the efficiency that injection moulding is produced.
2, injection mold of the present invention autotomy gate mechanism cast gate cutting knife adopt two sections of guidance modes, can effectively ensure to waterThe stability of mouth cutting knife motion, thus ensure cut off quality and improve the cutting knife life-span.
3, the injection mold of the present invention cast gate that gate mechanism can realize injecting products of autotomying is autotomyed, and can adapt to small lotThe requirement of the modern production pattern of many kinds, not only can save human resources, can also optimize cast gate cross section, reducesProduct rejection rate, reduces product loss.
Brief description of the drawings
Fig. 1 is the perspective view that injection mold of the present invention is autotomyed gate mechanism;
Fig. 2 is the autotomy top view of gate mechanism of injection mold of the present invention;
Fig. 3 is the autotomy A-A cutaway view of gate mechanism injection moulding state of injection mold of the present invention;
Fig. 4 is the autotomy B-B cutaway view of gate mechanism injection moulding state of injection mold of the present invention;
Fig. 5 is the autotomy A-A cutaway view of gate mechanism edge of a knife closure state of injection mold of the present invention;
Fig. 6 is the autotomy B-B cutaway view of gate mechanism edge of a knife closure state of injection mold of the present invention;
Fig. 7 uses gating insert backing plate to adjust the schematic diagram of cutting knife and die clearance in gate cutting process;
Fig. 8 is the autotomy cast gate cutter edge schematic diagram of gate mechanism of injection mold of the present invention;
Fig. 9 is autotomy cast gate cutting knife and the first gating insert fit clearance schematic diagram of gate mechanism of injection mold.
The label of the each parts in above figure: 10-cutter, 11-the first gating insert, 12-gating insert backing plate, 13-The second gating insert, 14-cast gate cutting knife, 15-cast gate tool rest, 16-cutting knife guide pin bushing, 17-cutting knife guide pin bushing backing plate, 18-T typeSlide block, 20-drive unit, 21-inclined-plane chute, 22-connecting rod, 23-hydraulic cylinder, 30-cast gate, 31-fit clearance,40-injecting products.
Detailed description of the invention
In order to understand better technique scheme of the present invention, carry out detailed further below in conjunction with drawings and ExamplesThin description.
Fig. 1 to Fig. 4 is an autotomy embodiment of gate mechanism of injection mold of the present invention, for removing injecting productsCast gate, forms by cutter 10 with for the drive unit 20 that drives cutter 10, as shown in Figure 3 and Figure 4,Described cutter 10 comprises the first gating insert 11 and the second cast gate edge that form injected plastics material injection channel after matched mouldsPiece 13 for cutting off the cast gate cutting knife 14 of cast gate and the cast gate tool rest 15 of fixing cast gate cutting knife, and is cast gate cutting knife 14And cast gate tool rest 15 provides the cutting knife guide pin bushing 16 of guiding; The inside of described the second gating insert 13 is dug to be had and cast gate cutting knifeThe 14 cutting knife guide grooves 19 that are slidably matched; The center line of described cutting knife guide groove 19 and cutting knife guide pin bushing 16 and cast gate cutting knife 14 straightLine direction of motion conllinear; Described cast gate cutting knife 14 is fixed on cast gate tool rest 15 with removably, to be slidably matchedMode is through described cutting knife guide groove 19, and described cast gate tool rest 15 passes cutting knife guide pin bushing 16, shape with sliding matching modeBecome two sections of guiding rectilinear motion modes of cast gate cutting knife 14; Described drive unit 20 promotes cast gate tool rest 15 and leads along cutting knifeCover 16 motions, drive the cutting knife guide groove 19 interior slip of cast gate cutting knife 14 at the second gating insert 13, with the first cast gate edgePiece 11 coordinates generation shearing force, cuts off the cast gate 30 that connects injecting products 40.
According to the autotomy embodiment of gate mechanism of the injection mold of the present invention shown in Fig. 1 and Fig. 3, the first described cast gateInsert on 11 and be embedded with gating insert backing plate 12, by adjusting coordinating between gating insert backing plate 12 and cast gate cutting knife 14Gap, makes gating insert backing plate 12 tightly coordinate with the cutting edge of cast gate cutting knife 14, joins to avoid injected plastics material to remain inClose in gap and form slitter edge, affect the Forming Quality of next mould. Gating insert backing plate 12 and cast gate cutting knife 14 blade partsMatching relationship is referring to Fig. 7 and Fig. 8 (partial enlarged drawing).
The autotomy embodiment of gate mechanism of injection mold according to the present invention, the maximum that described hydraulic cylinder 23 cylinder diameters can bearPressure is greater than the injection pressure that in injection moulding process, cast gate cutting knife 14 bears; Described hydraulic cylinder 23 can either close at mouldThe coupling mechanism force of cast gate cutting knife 14 is provided during mould injection moulding, can in injecting products ejection device process, provides cast gate cutting knife again14 cut-out driving force.
According to the autotomy embodiment of gate mechanism of the injection mold of the present invention shown in Fig. 1 and Fig. 3, described cutting knife guide pin bushing16 are fixed on the dynamic model side of injection mold by cutting knife guide pin bushing backing plate 17; Described drive unit 20 comprises inclined-plane chute 21,Connecting rod 22 and hydraulic cylinder 23; The head of described inclined-plane chute 21 is connected to the T of cast gate tool rest 15 by oblique T-shaped grooveType slide block 18, the afterbody of described inclined-plane chute 21 is connected to the connecting rod 22 of hydraulic cylinder 23 by the T-shaped groove of normal direction, formDrive the inclined plane slide block structure of cast gate cutting knife 14; Described hydraulic cylinder 23 promotes cast gate tool rest 15 by inclined-plane chute 21Move along cutting knife guide pin bushing 16, drive the cutting knife guide groove 19 interior slip of cast gate cutting knife 14 at the second gating insert 13; DescribedCast gate cutting knife 14 coordinate with the first gating insert 11 and produce shearing force, cut off and connect the cast gate 30 of injecting products 40.
The autotomy cast gate cutting knife 14 of gate mechanism of injection mold of the present invention can adopt various ways and various ways to drive,Such as hydraulic pressure, pneumatic or electric cylinder and ejector retainner plate etc. Fig. 9 is that injection mold of the present invention is autotomyed gate mechanism for BMCAn embodiment of reflector mould, for carrying the injection machine of cover half side ejecting mechanism, described drive unit 20 is noteThe thrust part of the cover half side ejecting mechanism of molding machine, described cutting knife guide pin bushing 16 is fixed on note by cutting knife guide pin bushing backing plate 17The cover half side of mould, described cast gate tool rest 15 is connected to the cover half side ejecting mechanism of injection machine, relies on injection machine cover halfSide eject thrust, promote cast gate cutting knife 14 and the first gating insert 11 is fitted and produces shearing force, at injecting products 40Before ejection die, cut off its cast gate 30. For clarity sake, in Fig. 9, only express cast gate cutting knife 14, cast gate tool rest 15With the position matching of the first gating insert 11, and dot injection mold.
The autotomy preferred embodiment of gate mechanism of injection mold according to the present invention, the moulding of described cast gate cutting knife 14 and injection mouldingThe shape at product 40 cast gate positions is consistent, and the cutting edge angle of described cast gate cutting knife 14 is 45~55 °, cutting edge thicknessBe 1.0~1.5mm, referring to Fig. 8.
The autotomy motion flow of gate mechanism of injection mold of the present invention is as follows:
The first step, hydraulic cylinder 23 drives cast gate cutting knife 14 to be placed in injection moulding state, as shown in Figure 3 and Figure 4;
Second step, mould matched moulds is injected injected plastics material pressurize moulding by injection channel, forms injecting products 40;
The 3rd step, after pressurize finishes, hydraulic cylinder 23 oil supply, drive cast gate cutting knife 14 to be moved upward to edge of a knife closure state,As shown in Figure 5 and Figure 6, the cast gate 30 injected plastics material in injection channel being formed cuts off;
The 4th step, injecting products 40 ejects, and carries out pickup by manipulator, after pickup, the reverse oil supply of hydraulic cylinder 23,Drive cast gate cutting knife 14 to get back to the state of injection moulding;
The 5th step, returns to second step mold-closing injection again, the formation injection cycle of going round and beginning again.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for skill of the present invention is describedArt scheme, and be not used as limitation of the invention, any based on connotation of the present invention to the above embodimentVariation, the modification done, all will drop in the protection domain of claim of the present invention.

Claims (6)

1. the injection mold gate mechanism of autotomying, forms by cutter with for the drive unit that drives cutter, usesIn removing the cast gate of injecting products, it is characterized in that, described cutter comprises and forms injection channel after matched mouldsThe first gating insert and the second gating insert, for cutting off the cast gate cutting knife of cast gate and the cast gate cutter of fixing cast gate cutting knifeSeat, and provide the cutting knife guide pin bushing of guiding for cast gate cutting knife and cast gate tool rest; Open the inside of described the second gating insertBe carved with the cutting knife guide groove being slidably matched with cast gate cutting knife; The center line of described cutting knife guide groove and cutting knife guide pin bushing and cast gate cutting knifeLinear movement direction conllinear; Described cast gate cutting knife is fixed on cast gate tool rest with removably, joins to slideClose the cutting knife guide groove of mode through the second gating insert inside, described cast gate tool rest passes and cuts with sliding matching modeCutter guide pin bushing, two sections of guiding rectilinear motion modes of formation cast gate cutting knife; Described drive unit promotes cast gate tool rest edgeCutting knife guide bush movement, drives cast gate cutting knife to slide in the cutting knife guide groove of the second gating insert, with the first gating insertCoordinate and produce shearing force, cut off the cast gate that connects injecting products.
2. the injection mold according to claim 1 gate mechanism of autotomying, is characterized in that described hydraulic cylinder cylinder diameter can holdThe maximum pressure being subject to is greater than the injection pressure that in injection moulding process, cast gate cutting knife bears; Described hydraulic cylinder can either beThe coupling mechanism force of cast gate cutting knife is provided during mould mold-closing injection, can in injecting products ejection device process, provides againThe cut-out driving force of cast gate cutting knife.
3. the injection mold according to claim 1 gate mechanism of autotomying, is characterized in that described cutting knife guide pin bushing is by cuttingCutter guide pin bushing backing plate is fixed on the dynamic model side of injection mold; Described drive unit comprises inclined-plane chute, connecting rod and liquidCylinder pressure; The head of described inclined-plane chute is connected to the T-shaped slide block of cast gate tool rest, described inclined-plane by oblique T-shaped grooveThe afterbody of chute is connected to the connecting rod of hydraulic cylinder by the T-shaped groove of normal direction, form the inclined plane slide block that drives cast gate cutting knifeStructure; Described hydraulic cylinder promotes cast gate tool rest along cutting knife guide bush movement by inclined-plane chute, drives cast gate cutting knife to existIn the cutting knife guide groove of the second gating insert, slide; Described cast gate cutting knife coordinates with the first gating insert to produce to be shearedPower, cuts off the cast gate that connects injecting products.
4. the injection mold according to claim 1 gate mechanism of autotomying, for carrying the injection moulding of cover half side ejecting mechanismMachine, the thrust part of the cover half side ejecting mechanism that the drive unit described in it is characterized in that is injection machine, described cutsCutter guide pin bushing is fixed on the cover half side of injection mold by cutting knife guide pin bushing backing plate, described cast gate tool rest is connected to injection machineCover half side ejecting mechanism, rely on the thrust that ejects of injection machine cover half side, promote cast gate cutting knife and the first gating insertFit and produce shearing force, before injecting products ejection die, cutting off its cast gate.
5. according to the gate mechanism of autotomying of the injection mold described in arbitrary claim of claim 1 to 4, it is characterized in that instituteOn the first gating insert of stating, be embedded with gating insert backing plate, regulate cutting knife and cast gate by adjusting gating insert backing plateFit clearance between cutting knife, makes gating insert backing plate tightly coordinate with the cutting edge of cast gate cutting knife, to avoid injection mouldingMaterial remains in the whole formation slitter edge in gap of joining.
6. according to the gate mechanism of autotomying of the injection mold described in arbitrary claim of claim 1 to 4, it is characterized in that instituteThe moulding of stating cast gate cutting knife is consistent with the shape at injecting products cast gate position, and the cutting edge angle of described cast gate cutting knife is45~55 °, cutting edge thickness is 1.0~1.5mm.
CN201610089265.2A 2016-02-17 2016-02-17 Automatic cutting sprue mechanism of injection mold Pending CN105599238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610089265.2A CN105599238A (en) 2016-02-17 2016-02-17 Automatic cutting sprue mechanism of injection mold

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610089265.2A CN105599238A (en) 2016-02-17 2016-02-17 Automatic cutting sprue mechanism of injection mold
PCT/CN2016/090385 WO2017140086A1 (en) 2016-02-17 2016-07-19 Automatic sprue cutting mechanism of injection mould

Publications (1)

Publication Number Publication Date
CN105599238A true CN105599238A (en) 2016-05-25

Family

ID=55979831

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610089265.2A Pending CN105599238A (en) 2016-02-17 2016-02-17 Automatic cutting sprue mechanism of injection mold

Country Status (1)

Country Link
CN (1) CN105599238A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106079309A (en) * 2016-06-27 2016-11-09 海天塑机集团有限公司 A kind of PVC injection molding machine nozzle cutoff device
WO2017140086A1 (en) * 2016-02-17 2017-08-24 上海小糸车灯有限公司 Automatic sprue cutting mechanism of injection mould

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201604267U (en) * 2009-12-01 2010-10-13 东莞市旭通达模具塑胶有限公司 Injection mold capable of automatically cutting off waste materials
CN203792651U (en) * 2014-03-07 2014-08-27 嘉兴信元精密模具科技有限公司 Injection mould with shoulder lapping type sprue trimming device
CN203994549U (en) * 2014-06-30 2014-12-10 东莞誉铭新工业有限公司 A kind of mould ingate automatic cut-off device
CN204076693U (en) * 2014-08-06 2015-01-07 嘉兴信元精密模具科技有限公司 A kind of mould inscribe auxiliary body
CN105313282A (en) * 2014-07-29 2016-02-10 青岛海尔模具有限公司 Automatic side gate shearing mechanism for laminated injection mold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201604267U (en) * 2009-12-01 2010-10-13 东莞市旭通达模具塑胶有限公司 Injection mold capable of automatically cutting off waste materials
CN203792651U (en) * 2014-03-07 2014-08-27 嘉兴信元精密模具科技有限公司 Injection mould with shoulder lapping type sprue trimming device
CN203994549U (en) * 2014-06-30 2014-12-10 东莞誉铭新工业有限公司 A kind of mould ingate automatic cut-off device
CN105313282A (en) * 2014-07-29 2016-02-10 青岛海尔模具有限公司 Automatic side gate shearing mechanism for laminated injection mold
CN204076693U (en) * 2014-08-06 2015-01-07 嘉兴信元精密模具科技有限公司 A kind of mould inscribe auxiliary body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017140086A1 (en) * 2016-02-17 2017-08-24 上海小糸车灯有限公司 Automatic sprue cutting mechanism of injection mould
CN106079309A (en) * 2016-06-27 2016-11-09 海天塑机集团有限公司 A kind of PVC injection molding machine nozzle cutoff device

Similar Documents

Publication Publication Date Title
US4498860A (en) Injection molding apparatus having a sprue holder with an inclined retractable ram
JP2008279784A (en) Resin molded article
JPWO2004103682A1 (en) MOLDING METHOD, MOLD FOR MOLDING, MOLDED ARTICLE, AND MOLDING MACHINE
CN102794876B (en) Injection mold for making helical fan
CN103737804B (en) The precision die of combined type main component of toner cartridge
CN101733904A (en) Automatic in-mould edge gate cutting injection mould
US9289929B2 (en) Moulding arrangement and a method for producing an article using the moulding arrangement
CN202388704U (en) Die structure
US7871261B2 (en) Injection-molding apparatus for producing profiled elongated parts
CN205522307U (en) Formula runner structure of hiding of injection moulding mould
CN203765920U (en) Duplex profile injection mold
CN101535027B (en) Injection molding process, resin molded product and mold
CN103660189A (en) Demoulding structure for plastic helical gear injection molding
CN104985761B (en) A kind of lastics ejection and screw thread Slide mechanism injection mold
CN106042299A (en) Precise mold of vehicle accumulator shell injection molding parts
CN102672908A (en) Core pulling structure for injection-molded arc product
CN204109267U (en) A kind of automotive plastic parts injection mold apparatus for pouring
CN105269769A (en) Double-power injection mold of multi-direction oblique and curved pin core pulling structure
CN107984703A (en) A kind of new-energy automobile lamp holder and its manufacture method
CN104802372A (en) Slide ejection and mould opening type injection mould
CN102785335B (en) Cutting mechanism for drawn wire at sprue of injection mold
CA2880933C (en) Hot runner nozzle for injecting thermoplastic material into a moulding tool
CN106042292A (en) Side gating hot runner apparatus with continuous valve pin movement
CN102019667B (en) Automatic cutoff and ejection mechanism for plastic mould gate
CN108973043A (en) A kind of plate moulding and its manufacturing method

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
CB03 Change of inventor or designer information

Inventor after: Wei Ni

Inventor after: Liu Junlin

Inventor after: Wu Minghua

Inventor before: Wei Ni

COR Change of bibliographic data
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160525

WD01 Invention patent application deemed withdrawn after publication