CN106738716B - The injection moulding demoulding of herringbone bear and resetting apparatus - Google Patents

The injection moulding demoulding of herringbone bear and resetting apparatus Download PDF

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Publication number
CN106738716B
CN106738716B CN201710022297.5A CN201710022297A CN106738716B CN 106738716 B CN106738716 B CN 106738716B CN 201710022297 A CN201710022297 A CN 201710022297A CN 106738716 B CN106738716 B CN 106738716B
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level
plate
helical teeth
type chamber
teeth wheel
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CN106738716A (en
Inventor
江昌勇
江妦
李丹虹
黄志荣
沈洪雷
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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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
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • 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
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/66Mould opening, closing or clamping devices mechanical
    • 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
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • B29C2045/4042Ejector constructions; Ejector operating mechanisms driven by rack and pinion 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
    • B29C45/64Mould opening, closing or clamping devices
    • B29C2045/648Rack and pinion means for mould opening and closing a pair of mould halves

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention discloses a kind of herringbone bear injection moulding demoulding and resetting apparatus, from top to bottom successively includes: impression bolster, moving template, support plate, cushion block, Bottom clamp plate;Leading portion radial thrust bearing is installed in the mounting hole of impression bolster, is equipped with leading portion helical teeth wheel-type chamber on the inside of leading portion radial thrust bearing;It include back segment helical teeth wheel-type chamber in moving template;Leading portion helical gear cavity side face is equipped with positioning insert, and the locating slot that corresponding position opens up on the outside of positioning insert and back segment helical teeth wheel-type chamber cooperates;Back segment helical teeth wheel-type is intracavitary to be equipped with dynamic mould core insert, and back segment radial thrust bearing is installed between back segment helical teeth wheel-type chamber and dynamic mould core insert;The type core in formed central hole is installed in dynamic mould core insert;On Bottom clamp plate, two-stage sequence extrusion mechanism is set between the cushion block of two sides.The present invention realizes that herringbone bear smoothly demoulds by two sections of helical teeth wheel-type chamber sequencing rotations, so that two sections of oppositely oriented helical teeth tooth sockets is aligned to type position when molding and resetting by positioning insert.

Description

The injection moulding demoulding of herringbone bear and resetting apparatus
Technical field
The injection moulding demoulding of herringbone bear of the present invention and resetting apparatus take off after being suitable for the injection moulding of herringbone plastic gear Type chamber is designed and is applied to the mechanism just resetted when from mold cavity and molding.
Background technique
The gear drive of parallel two axis has spur gear, helical gear, three kinds of herringbone bear.Herringbone bear is equivalent to two helical teeth Wheel merges, and symmetrical configuration, diameter are equal, flank profil is oppositely oriented, not only have helical gear advantage and also overcome helical gear This disadvantage of biggish axial force can be generated, has many advantages, such as that registration is high, axial load is small, bearing capacity is high, stable working, Herringbone bear transmission is an important development direction of gear drive.Herringbone plastic gear injection moulding after, to make its two Respectively left-handed, dextrorotation the gear ring of section is smoothly separated with gear forming type chamber, it is necessary to is just able to achieve by corresponding rotary motion.
The injection moulding of existing open source literature and patent to simply connected plastic beveled wheel, duplex (different-diameter) plastic beveled wheel Release problems have corresponding effective solution afterwards.For the note of herringbone bear (being equivalent to equal diameter two-way plastic helical gear) Release problems after molding are penetrated, is had in practice at present and is formed helical teeth tooth socket in dynamic, cover half setting core bar respectively (core bar quantity is equal to oblique The quantity of tooth tooth socket), the oblique extraction of molding core bar of oblique cogging is driven after die sinking by linkage, realizes the two-way pumping of active and inactive mold Core, but mould structure is complicated, part processing is cumbersome, assembly precision is low, Forming Quality is poor.There are also combined using two helical teeth wheel-type chambers Insertion, cover half disk rotary are released, curved bend pin resets, the structure of dynamic mould core rotation two-stage ejection, but the structure is at least deposited Following insufficient: 1. determine the pilot hole processing difficulties of curved bend pin on model cavity;2. the radian of uncontrollable curved bend pin and fixed The consistency of model cavity rotation angle;3. the resistance of type core rotation is big, easy to wear;4. being not easy to guarantee the angle and speed of the rotation of type core The consistency of degree and helical gear helical angle;5. two-step ejecting mechanism movement is not flexible.
Summary of the invention
In view of the above technical problems, the present invention proposes that a kind of structurally consummate, efficient herringbone bear injection moulding of movement takes off Mould and resetting apparatus.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
Herringbone bear injection moulding demoulding and resetting apparatus, successively include: impression bolster, moving template, branch from top to bottom Board, cushion block, Bottom clamp plate;
Leading portion radial thrust bearing is installed in the stepped hole of impression bolster, is equipped with leading portion on the inside of leading portion radial thrust bearing Helical teeth wheel-type chamber;It include back segment helical teeth wheel-type chamber in moving template, between big between back segment helical teeth wheel-type chamber and the mounting hole of moving template Gap cooperation;Leading portion helical gear cavity side face is equipped with positioning insert, corresponding position on the outside of positioning insert and back segment helical teeth wheel-type chamber The locating slot cooperation opened up;Back segment helical teeth wheel-type is intracavitary to be equipped with dynamic mould core insert, and back segment helical teeth wheel-type chamber and dynamic mould core are inlayed Back segment radial thrust bearing is installed between block;The type core in formed central hole is installed in dynamic mould core insert;
On Bottom clamp plate, two-stage sequence extrusion mechanism is set between the cushion block of two sides;Two-stage sequence extrusion mechanism includes level-one The level-one ejecting mechanism that push plate, level-one ejector pin retaining plate, level-one push rod are constituted, second level push plate, second level ejector pin retaining plate, second level push away The two-step ejecting mechanism and push plate guide post, connecting rod that bar is constituted;Between level-one push plate and level-one ejector pin retaining plate, second level It is fixedly connected between push plate and second level ejector pin retaining plate, pushes away below impression bolster to being fixedly connected with level-one above level-one push plate Bar;The second level push rod being fixed on above second level push plate is for pushing herringbone bear plastic to move forward;It is fixed with below moving template The push plate guide post of moving clamping plate is extended to, connecting rod passes through second level ejector pin retaining plate and is fixed in level-one push plate, Bottom clamp plate, Second level push plate is correspondingly connected with draw rod positions aperture.
Further, the cone match of leading portion helical teeth wheel-type chamber, back segment helical teeth wheel-type chamber guarantees two sections of helical teeth of herringbone bear The concentricity of wheel.
Further, leading portion helical gear cavity side face is equipped with positioning insert mounting groove, and top is equipped with shoulder, and bottom surface is equipped with cone Shape reaming.
Further, back segment helical teeth wheel-type chamber top is equipped with the cone boss cooperated with countersinking, and medial side face is corresponding Position is equipped with the locating slot of cooperation positioning insert, and bottom is equipped with shoulder.
Further, positioning insert is 2~4 pieces, is uniformly installed in leading portion helical gear cavity side face.
Further, the ejector pin that two sides are arranged in provides the power resources of ejecting mechanism.
Further, push plate guide post passes through level-one ejector pin retaining plate, level-one push plate, second level ejector pin retaining plate, second level push plate Level-one ejector guide pillar, second level ejector guide pillar is respectively set in place;Level-one push rod, push plate guide post, connecting rod are respectively set 2~4.
Further, second level push rod is divided into second level push rod I, second level push rod II, is uniformly arranged 3~6 respectively.
The section of type core is the circle with protrusion.Guide post is mounted on cover half part, when dynamic, cover half closes up, pass-through chamber Fixed plate, moving template, support plate and cushion block, are combined with straight guide sleeve on impression bolster, and band shoulder is combined on moving template and is led Set.
Ejector pin pushes level-one ejecting mechanism to work first, and under the action of level-one push rod, impression bolster is forward Mobile, by leading portion radial thrust bearing, while driving the rotation of leading portion helical teeth wheel-type chamber with herringbone bear plastic leading portion edge Axial separation;When connecting rod and two-step ejecting mechanism contact, two-step ejecting mechanism is started to work, and with level-one kickoff mechanism Structure pushes herringbone bear plastic to move forward together, and due to the effect of back segment radial thrust bearing, back segment helical teeth wheel-type chamber is by " inverse To " rotation, until herringbone bear plastic is completely pushed out of dynamic model, the final smooth demoulding for realizing herringbone bear plastic.
The invention has the following beneficial effects:
1. two sections of helical gear mold cavity formings, two sections of oppositely oriented helical gears are respectively adopted, and the effect for passing through connecting rod Realize two-stage order stripping, efficiently solve two parts helical teeth wheel-type chamber direction of rotation it is opposite caused by interference problem.It is centripetal The use of thrust bearing helps to realize herringbone bear plastic in demoulding along axis by the counter-rotating of helical teeth wheel-type chamber Direction separates abjection with corresponding molding helical teeth wheel-type chamber.
2. leading portion helical teeth wheel-type chamber and back segment helical teeth wheel-type chamber carry out reset positioning by positioning insert, it is ensured that oppositely oriented Two sections of helical teeth tooth sockets to spell when aligned position.Cone match between the helical teeth wheel-type chamber of two sections of front and back ensure that two sections of herringbone bear Helical gear concentricity.
3. the shoulder of leading portion helical teeth wheel-type chamber and the stepped hole of impression bolster, avoid the rotation of leading portion helical teeth wheel-type chamber with Edge is axially disengaging impression bolster when herringbone bear plastic separates.
Detailed description of the invention
Fig. 1 is the device sectional view along A-A of the present embodiment.
Fig. 2 is the top view of the device of the present embodiment.
Fig. 3 is the B-B direction cross-sectional view of the device of the present embodiment.
Fig. 4 is that the level-one of the present embodiment device releases plastic status diagram.
Fig. 5 is the two-stage ejection plastic status diagram of the present embodiment device.
Fig. 6 is two sections of the front and back helical teeth wheel-type chamber combination diagram of the present embodiment.
Fig. 7 is two sections of the front and back helical teeth wheel-type chamber combination top view of the present embodiment.
Fig. 8 is the leading portion helical teeth wheel-type chamber schematic diagram of the present embodiment.
Fig. 9 is the top view of the leading portion helical teeth wheel-type chamber of the present embodiment.
Figure 10 is the back segment helical teeth wheel-type chamber schematic diagram of the present embodiment.
Figure 11 is the top view of the back segment helical teeth wheel-type chamber of the present embodiment.
Figure 12 is positioning insert (I) view of the present embodiment.
Figure 13 is the top view of the positioning insert (I) of the present embodiment.
Figure 14 is positioning insert (II) view of the present embodiment.
Figure 15 is positioning insert (II) top view of the present embodiment.
In figure, 1- attachment screw;2- impression bolster;3- moving template;4- leading portion radial thrust bearing;5- positioning insert (Ⅰ);6- leading portion helical teeth wheel-type chamber;7- type core;8- herringbone bear plastic;9- positioning insert (II);10- back segment helical teeth wheel-type chamber; The straight guide sleeve of 11-;12- guide post;13- band shoulder guide sleeve;14- support plate;15- back segment radial thrust bearing;16- level-one push rod;17- is dynamic Model core insert;18- cushion block;19- soket head cap screw (I);20- soket head cap screw (II);21- second level push plate;22- second level push rod Fixed plate;23- ejector pin;24- connecting rod;25- second level ejector guide pillar;26- Bottom clamp plate;27- level-one ejector guide pillar; 28- level-one push plate;29- level-one ejector pin retaining plate;30- push plate guide post;31- second level push rod (I);32- second level push rod (II).
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing It is bright.
The present embodiment is used for injecting molding die, and mold is mounted on horizontal injection press.
After injection molding, under the effect of injector die opening mechanism, dynamic model part is retreated along die joint I-I shown in Fig. 1 to institute Setting position.Fig. 2 mainly reflects that guide post, soket head cap screw, helical teeth wheel-type chamber, positioning insert, push rod, push plate guide post, connection are drawn The distributing position of the parts such as bar, ejector pin.Fig. 1 is the sectional view along A-A of device, and Fig. 3 is the B-B direction cross-sectional view of device.
Device successively includes: impression bolster 2, moving template 3, support plate 14, cushion block 18, Bottom clamp plate 26 from top to bottom Deng;Attachment screw 1 connects moving template 3, support plate 14, cushion block 18, Bottom clamp plate 26 etc., and type core 7 is fixed on dynamic mould core insert 17 center.
Level-one ejecting mechanism is formed by level-one push plate 28, level-one ejector pin retaining plate 29 and four level-one push rods 16, level-one pushes away Plate 28 and level-one ejector pin retaining plate 29 are coupled by four soket head cap screws (I) 19, and four groups of level-one ejector guide pillars 27 and push plate are led The targeting part of the composition level-one ejecting mechanism of column 30.
As shown in figure 4, ejector pin 23 passes through on Bottom clamp plate 26, second level push plate 21 and second level ejector pin retaining plate 22 Corresponding two sides eject hole, push level-one push plate 28, drive the movement of level-one ejecting mechanism, impression bolster 2 is by level-one push rod 16 promotion, and by the effect of leading portion radial thrust bearing 4, while driving leading portion helical teeth wheel-type chamber 6 to rotate and double helical tooth The leading portion helical gear of wheel plastic 8 is axially separated.
At the same time, positioning insert (I) 5 (Figure 12, Figure 13) and positioning insert on leading portion helical teeth wheel-type chamber 6 are set (II) 9 (Figure 14, Figure 15) is no longer with locating slot inclined-plane 10-2,10-1 opened up corresponding on the outside of back segment helical teeth wheel-type chamber 10 (see figure 11) it contacts, interference will not be generated to the rotation of leading portion helical teeth wheel-type chamber 6.
When the rotation of leading portion helical gear type chamber 6 is separated with herringbone bear plastic 8, to avoid leading portion helical teeth wheel-type chamber 6 with before Section radial thrust bearing 4 is displaced along axial generation and may be detached from impression bolster 2, sets using on leading portion helical teeth wheel-type chamber 6 Set the fit structure that stepped hole is set on shoulder and impression bolster 2.
By second level push plate 21,22, three 120 ° of second level ejector pin retaining plate (I) 31, three 120 ° uniformly distributed of second level push rods The second level push rod (II) 32 of cloth forms two-step ejecting mechanism, and second level push rod (I) 31, second level push rod (II) 32 pass through one with wide arc gap Grade push plate 28 and level-one ejector pin retaining plate 29, second level push plate 21 and second level ejector pin retaining plate 22 pass through four soket head cap screws (II) 20 connections, four groups of second level ejector guide pillars 25 and push plate guide post 30 form the targeting part of two-step ejecting mechanism.
As shown in figure 5, when the shoulder and second level ejector pin retaining plate 22 of the connecting rod 24 being fixed in level-one push plate 28 Following table face contact, by the pulling of connecting rod 24, two-step ejecting mechanism starts to move forward together with level-one ejecting mechanism.Second level Push rod (I) 31 and second level push rod (II) 32 push herringbone bear plastic 8 to move forward, due to dynamic mould core insert 17 and back segment to The effect of heart thrust bearing 15, when herringbone bear plastic 8 moves forward, back segment helical teeth wheel-type chamber 10 is rotated by " reverse ", until Herringbone bear plastic 8 is completely pushed out of dynamic model, and then herringbone bear plastic 8 is fallen because self weight is fluent, finally realizes double helical tooth Take turns the smooth demoulding of plastic 8.
To deform after avoiding herringbone bear plastic from generating in push, using the stripping means released at a slow speed.
The guide post 12 for being mounted on cover half part ensure that the motion guide of impression bolster 2, guide post 12 are combined with straight guide sleeve 11 and with shoulder guide sleeve 13.
Leading portion helical teeth wheel-type chamber 6 and back segment helical teeth wheel-type chamber 10 pass through cone match in molding to guarantee that herringbone bear is moulded 8 two sections of helical gear concentricities of part.
It is smooth to rotate back segment helical teeth wheel-type chamber 10, between the mounting hole of back segment helical teeth wheel-type chamber 10 and moving template is taken greatly Gap cooperation.
Four connecting rods 24 are equipped in level-one push plate 28, both for controlling level-one ejecting mechanism and two-step ejecting mechanism The successive release time gap, be also used for control level-one ejecting mechanism and two-step ejecting mechanism release apart from gap.
The guiding device that level-one ejector guide pillar 27, second level ejector guide pillar 25 and push plate guide post 30 are constituted is released for two-stage The motion guide that mechanism is released and resetted.
When molding, the die joint of cover half part acts on impression bolster 2, and impression bolster 2 moves back and acts on level-one Push rod 16, level-one push rod 16 reversely push level-one ejecting mechanism to return, are pushed into level-one push plate 28 and connect with second level ejector pin retaining plate 22 Touching, while reversed promotion two-step ejecting mechanism returns together, until second level push plate 21 is contacted with Bottom clamp plate 26.
As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, leading portion helical gear cavity side face is equipped with positioning insert mounting groove, and top is equipped with platform Shoulder, bottom surface are equipped with countersinking.As shown in Figure 10, Figure 11, back segment helical teeth wheel-type chamber top is equipped with the cone cooperated with countersinking Shape boss, medial side face corresponding position are equipped with the locating slot of cooperation positioning insert, and bottom is equipped with shoulder.
Since herringbone bear plastic 8 forces leading portion helical teeth wheel-type chamber 6 and back segment helical teeth wheel-type chamber 10 " inverse during demoulding To " rotation, it is wrong when will lead to the helical teeth tooth socket molding in two sections of helical teeth wheel-type chambers to spelling along with motional inertia when rotating Position.Positioning insert (I) 5 and positioning insert (II) 9, positioning insert (I) in clamping process are installed respectively in leading portion helical teeth wheel-type chamber 6 Cambered surface 9-1 (see Figure 14) on cambered surface 5-1 (see Figure 12), positioning insert (II) 9 on 5 distinguishes first and back segment helical teeth wheel-type chamber 10 Corresponding locating slot inclined-plane 10-2,10-1 contact opened up in outside, by leading portion radial thrust bearing 4, back segment radial thrust bearing 15 effect, leading portion helical teeth wheel-type chamber 6 and back segment helical teeth wheel-type chamber 10 close up while rotating, until in positioning insert (I) 5 Inclined-plane 5-2 (see Figure 12), the inclined-plane 9-2 (see Figure 14) in positioning insert (II) 9 respectively and 10 outside of back segment helical teeth wheel-type chamber Corresponding locating slot inclined-plane 10-2,10-1 contact opened up, forces the helical teeth tooth socket of two sections of helical teeth wheel-type chambers (6,10) to when spelling pairs Positive position, it is ensured that the formed precision of herringbone bear plastic 8.
All components return to original shaping position, prepare next injection moulding circulation.
Above embodiment is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all It is any changes made on the basis of the technical scheme according to the technical idea provided by the invention, each falls within present invention protection model Within enclosing.The technology that the present invention is not directed to can be realized by existing technology.

Claims (7)

1. herringbone bear injection moulding demoulding and resetting apparatus, which is characterized in that successively include: from top to bottom impression bolster, Moving template, support plate, cushion block, Bottom clamp plate;
The mounting hole of leading portion radial thrust bearing uses step pore structure, peace in the stepped hole of impression bolster on impression bolster Leading portion radial thrust bearing is filled, is equipped with leading portion helical teeth wheel-type chamber on the inside of leading portion radial thrust bearing;It include that back segment is oblique in moving template Gear type chamber is cooperated between back segment helical teeth wheel-type chamber and the mounting hole of moving template using wide arc gap;Leading portion helical gear cavity side face Positioning insert is installed, the locating slot that corresponding position opens up on the outside of positioning insert and back segment helical teeth wheel-type chamber cooperates;Back segment helical teeth Wheel-type is intracavitary to be equipped with dynamic mould core insert, and back segment centripetal thrust force axis is equipped between back segment helical teeth wheel-type chamber and dynamic mould core insert It holds;Leading portion helical gear cavity side face is equipped with positioning insert mounting groove, and top is equipped with shoulder, and bottom surface is equipped with countersinking;Back segment is oblique Gear type chamber top is equipped with the cone boss cooperated with countersinking, and medial side face corresponding position is equipped with determining for cooperation positioning insert Position slot, bottom are equipped with shoulder;The type core in formed central hole is installed in dynamic mould core insert;
On Bottom clamp plate, two-stage sequence extrusion mechanism is set between the cushion block of two sides;Two-stage sequence extrusion mechanism include level-one push plate, The level-one ejecting mechanism that level-one ejector pin retaining plate, level-one push rod are constituted, second level push plate, second level ejector pin retaining plate, second level push rod structure At two-step ejecting mechanism and push plate guide post, connecting rod;Between level-one push plate and level-one ejector pin retaining plate, second level push plate It is fixedly connected between second level ejector pin retaining plate, to being fixedly connected with level-one push rod above level-one push plate below impression bolster;Gu Second level push rod above second level push plate is for pushing herringbone bear plastic to move forward;It is fixed with and extends to below moving template The push plate guide post of second level push plate, connecting rod pass through second level ejector pin retaining plate and are fixed in level-one push plate, and Bottom clamp plate, second level push away Plate is correspondingly connected with draw rod positions aperture.
2. herringbone bear according to claim 1 injection moulding demoulding and resetting apparatus, it is characterised in that: positioning insert is It 2 ~ 4 pieces, is uniformly installed in leading portion helical gear cavity side face.
3. herringbone bear injection moulding demoulding according to claim 1 and resetting apparatus, it is characterised in that: ejector pin Corresponding two sides eject hole on Bottom clamp plate, second level push plate and second level ejector pin retaining plate, push level-one push plate.
4. herringbone bear injection moulding demoulding according to claim 1 and resetting apparatus, it is characterised in that: push plate guide post is worn It crosses level-one ejector pin retaining plate, level-one ejector guide pillar is set at level-one push plate;Push plate guide post passes through second level ejector pin retaining plate, second level pushes away Second level ejector guide pillar is set at plate;Level-one push rod, push plate guide post, connecting rod are respectively set 2 ~ 4.
5. according to claim 1, the injection moulding of herringbone bear described in 3 or 4 demoulding and resetting apparatus, it is characterised in that: second level Push rod is divided into second level push rod I, second level push rod II, is uniformly arranged 3 ~ 6 respectively.
6. herringbone bear injection moulding demoulding according to claim 1 and resetting apparatus, it is characterised in that: the section of type core For the circle with protrusion.
7. herringbone bear injection moulding demoulding according to claim 1 and resetting apparatus, it is characterised in that: guide post is equipped with 4 Root is mounted on cover half part, and impression bolster, moving template, support plate and cushion block are passed through when dynamic, cover half closes up, is fixed in type chamber It is combined with straight guide sleeve on plate, band shoulder guide sleeve is combined on moving template.
CN201710022297.5A 2017-01-12 2017-01-12 The injection moulding demoulding of herringbone bear and resetting apparatus Active CN106738716B (en)

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CN108000817B (en) * 2017-11-30 2019-07-30 重庆鑫际激光科技有限公司 Rotary components demoulding mould
CN112893802A (en) * 2019-12-03 2021-06-04 广东赛肯科技创新股份有限公司 Die casting machine for fluted disc machining and fluted disc die casting method thereof
CN111231243B (en) * 2020-02-12 2021-09-10 东莞力浦精密电子有限公司 Injection mold
CN111391255A (en) * 2020-04-29 2020-07-10 安徽壹太电气有限公司 Integrated novel injection molding decoration strip device for freezing

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KR20110038895A (en) * 2009-10-09 2011-04-15 에이테크솔루션(주) Method that reinstate helical gear-ring using groove and pin and helical gear injection molding device that have groove and pin
CN105881844A (en) * 2016-04-06 2016-08-24 常州工学院 Helical double-cylinder plastic gear forming and differential demoulding mechanism

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
KR20110038895A (en) * 2009-10-09 2011-04-15 에이테크솔루션(주) Method that reinstate helical gear-ring using groove and pin and helical gear injection molding device that have groove and pin
CN105881844A (en) * 2016-04-06 2016-08-24 常州工学院 Helical double-cylinder plastic gear forming and differential demoulding mechanism

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