CN103950143B - Multi-station injection molding mold - Google Patents

Multi-station injection molding mold Download PDF

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Publication number
CN103950143B
CN103950143B CN201410167007.2A CN201410167007A CN103950143B CN 103950143 B CN103950143 B CN 103950143B CN 201410167007 A CN201410167007 A CN 201410167007A CN 103950143 B CN103950143 B CN 103950143B
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China
Prior art keywords
fixed
dynamic model
mold
central axis
die cavity
Prior art date
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Active
Application number
CN201410167007.2A
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Chinese (zh)
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CN103950143A (en
Inventor
黄海军
李煜培
刘建辉
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.)
DATAMATIC GUANGZHOU INJECTION MOULD Co Ltd
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DATAMATIC GUANGZHOU INJECTION MOULD Co Ltd
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Priority to CN201410167007.2A priority Critical patent/CN103950143B/en
Publication of CN103950143A publication Critical patent/CN103950143A/en
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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
    • B29C45/03Injection moulding apparatus
    • B29C45/04Injection moulding apparatus using movable moulds or mould halves
    • B29C45/06Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
    • 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
    • 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

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

Abstract

The invention discloses a multi-station injection molding mold. The multi-station injection molding mold comprises a moving mold and a fixed mold; the moving mold is internally provided with a first ejector pin plate in sliding fit along the mold opening and closing direction; a bottom plate of the moving mold is arranged below the first ejector pin plate; a center shaft mechanism is pivoted on the bottom plate, and is provided with a rotary center shaft capable of extending out of the moving mold; an accommodating groove is formed in a mold closing surface of the moving mold; a rotary disc which is driven to rotate by the rotary center shaft is accommodated in the accommodating groove; the rotary disc is provided with at least one moving mold cavity; the rotary center shaft is sleeved with a driven gear in a sliding mode; the driven gear is meshed with a driving gear; the driving gear is driven to rotate by a driving mechanism, an ejector pin mechanism for ejecting an injection molding element out is arranged deadly below one of the at least one moving mold cavity; the mold closing surface of the fixed mold is provided with at least two fixed mold cavities matched with the moving mold cavities. The multi-station injection molding mold provided by the invention is simple and reliable in structure; the rotation direction of the rotary disc is constant, and the forming cycle is short.

Description

Multi-station injection mould
Technical field
The present invention relates to injection forming mold, be specifically related to multi-station injection mould.
Background technology
Mostly being front mould at multi-color injection molded forming machine on the market to fix, rear mold is configured with station dial, this kind Injection moulding machine is only applicable to the identical multi-colored product injection mo(u)lding of rear model cavity, for front and back's model cavity The most discrepant multi-color injection molded, such as interlayer injection mo(u)lding, the most helpless.
The mode that domestic and international commonly used center of turntable rotates solves the discrepant polychrome of before and after's model cavity Type, rotating disk is arranged as required to each different die cavity, and the core that center torr turns is the design of rotating mechanism, It is most commonly that the external rotating mechanism of employing at present, but mostly is two station mechanisms of rotation turnback on the market, Owing to multiple-station rotation mechanism (at least three stations) is compared with two station mechanisms of every station rotary 180 degree, its Positioning difficulty and precision are higher, and its action cycle is more complicated, so multistation torr rotation mechanism on the market is more Rare.Simultaneously because external multiple-station rotation assembly attachment component is more, such as external drive mechanism, servo system System so that on the high side, structure is complicated and specification is more single, a rotating mechanism can not meet great majority The use of multi-station mold.
It addition, the rotating mechanism of the existing rotation realizing rotating disk typically uses tooth bar link gear, rack machine Structure stroke is limited, and therefore this kind of mechanical feature is reciprocation type motion, every that be more than two stations, all can exist One is reversed reseting procedure, and this process will extend the molding cycle of product to a certain extent so that individual product exists In mould, cool time is inconsistent, thus there is different cubical contraction.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide multi-station injection mould, It is simple and reliable for structure, and the rotation of rotating disk turns to constant, and molding cycle is short.
The purpose of the present invention adopts the following technical scheme that realization:
Multi-station injection mould, including dynamic model and cover half, is provided with in dynamic model and slides along opening and closing mould direction The first ejector retainner plate coordinated, the lower section of the first ejector retainner plate is the base plate of dynamic model, on described base plate pivot equipped with along opening, Matched moulds direction telescopic axis mechanism, this axis mechanism has the rotation central axis of an extended dynamic model;Described Have a holding tank on the land area of dynamic model, this holding tank accommodates one by turning that rotation central axis is rotated Dish, rotating disk is provided with at least one dynamic model die cavity;Described rotation central axis is slidably set with a driven gear, This driven gear and driving gear engagement, driving gear drives through a drive mechanism and rotates;One of them institute State the ejector pin mechanism being arranged right below for ejecting moulding of dynamic model die cavity, the land area of described cover half sets Having at least two cover half die cavities mated with dynamic model die cavity, each cover half die cavity uniformly divides centered by rotation central axis Cloth;The periphery wall of described rotation central axis is fixed with the straight key of at least two, the gear hole inwall of described driven gear Have at least two keyway inserted for straight key correspondence.
Preferably, described drive mechanism includes that screw rod and inner screw sheath, driving gear fixed cover are loaded on female thread Set, inner screw sheath coordinates with screw flight, and the lower end of screw rod is fixed on the first ejector retainner plate, the first ejector retainner plate Top, lower end be pressed with a top rod, this top rod is through stretching out after base plate.
Preferably, described driving gear is loaded on inner screw sheath through one first taper roll bearing fixed cover, and first Dynamic model is fixed in the outer ring of taper roll bearing, and the inner ring of the first taper roll bearing is fixed on outside inner screw sheath Wall.
Preferably, described axis mechanism includes the first oil cylinder, shaft coupling and described rotation central axis, the first oil cylinder Being fixed on described base plate, the piston rod of the first oil cylinder is fixed with one end of shaft coupling, the other end of shaft coupling with The lower end of rotation central axis is fixed, and the center of rotating disk is fixed in the upper end of rotation central axis.
Preferably, the piston rod upper end of described first oil cylinder is provided with the first stopper section, under described rotation central axis End is provided with the second stopper section, and described shaft coupling includes hollow housing and is positioned at the first thrust of this hollow housing Roller bearing, the second thrust roller bearing, the inner ring of the first thrust roller bearing is fixed on the second stopper section Lower wall, the upper wall of the first stopper section, the lower wall of the first stopper section are fixed in the outer ring of the first thrust roller bearing Being fixed on the diapire of hollow housing, the inner ring of the second thrust roller bearing is fixed on the upper wall of the second stopper section, The roof of hollow housing is fixed in the outer ring of the second thrust roller bearing.
Preferably, described ejector pin mechanism includes the second oil cylinder, the second ejector retainner plate, thimble and ejector sleeve, described Two oil cylinders are fixed on dynamic model, and the piston rod of the second oil cylinder stretches out along die sinking direction and fixes connection the second ejector retainner plate, Described ejector sleeve is placed on outside thimble, and the lower end of thimble is connected with the second ejector pin plate elastic, and the upper end of thimble is towards it In a described dynamic model die cavity.
Preferably, described driven gear is fixed on dynamic model through one second taper roll bearing, the second circular cone rolling Dynamic model is fixed in the outer ring of sub-bearing, and the inner ring of the second taper roll bearing is fixed on the end face of driven gear.
Compared to existing technology, the beneficial effects of the present invention is:
(1) rotating disk is ejected from holding tank by the rotation central axis by axis mechanism of the present invention, now, Straight key enters keyway, and the rotation at driven gear is driven the dynamic rotation of the second line of a couplet by rotation central axis, and drive mechanism can Drive driving gear rotate thus drive driven gear to rotate, therefore the dynamic model die cavity on rotating disk can turn to right The position of one of them cover half die cavity accurate;Under the drive of axis mechanism, when rotating disk resets and is contained in receiving When carrying out matched moulds in groove, rotation central axis is retracted, and straight key is deviate from from keyway, even if now drive mechanism still carries Dynamic driving gear rotates, and driven gear also will dally, it is achieved rotating disk turns to coherent rotation along same, prevents anti- Turn the molding cycle extending product brought so that individual product is inconsistent for cool time in mould, causes The problem that there is different cubical contraction.
(2) when outside injection machine ejection system drives top rod to drive the first ejector retainner plate to slide, screw rod will be passed through Order about inner screw sheath to rotate, thus drive turntable rotation, axis mechanism by driving gear, driven gear The expanding-contracting action of rotating disk is also realized by rotation central axis, shaft coupling and the first oil cylinder with rotarily driving, therefore, The rotation of rotating disk is realized by mechanical mechanism simple, reliable, low cost, ejects by arranging the first ejector retainner plate Distance size, so that it may the rotational angle of relative set rotating disk, it is adaptable to more than three stations, active and inactive mold The most discrepant multi-color injection molded molding of die cavity;Due to driven gear and the engagement of driving gear and interior spiral shell Stricture of vagina set and the engagement of screw rod, the rotational angle of rotating disk will be accurately positioned, will be additionally, since in rotation Axle driven gear after retraction will not be rotated middle shaft rotation, so driving tooth when the first ejector retainner plate resets The reversion action of wheel will not drive to rotating disk, prevents rotating disk from inverting.
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is that the dynamic model of the multi-station injection mould of the present invention structure when rotating disk accommodates into holding tank is shown It is intended to;
Fig. 2 is the dynamic model of the multi-station injection mould of the present invention structure when rotating disk is ejected by rotation central axis Schematic diagram;
Fig. 3 is enlarged diagram at the A in Fig. 2;
Fig. 4 is enlarged diagram at the B in Fig. 2;
Fig. 5 is enlarged diagram at the C in Fig. 2;
Fig. 6 is the fixed mould structure schematic diagram that multi-station injection mould of the present invention is overlooked from cover half die cavity.
In figure: 1, dynamic model;11, holding tank;2, cover half;21, cover half die cavity;3, the first ejector retainner plate; 4, base plate;5, axis mechanism;51, rotation central axis;511, the second stopper section;52, the first oil cylinder;521、 First stopper section;53, shaft coupling;531, hollow housing;532, the first thrust roller bearing;533, Two thrust roller bearings;6, rotating disk;61, dynamic model die cavity;7, driven gear;71, keyway;8, actively Gear;9, drive mechanism;92, screw rod;93, inner screw sheath;10, ejector pin mechanism;101, the second oil Cylinder;102, the second ejector retainner plate;103, thimble;104, ejector sleeve;12, straight key;13, top rod;14, One taper roll bearing;15, the second taper roll bearing.
Detailed description of the invention
Multi-station injection mould as shown in Fig. 1, Fig. 6, including dynamic model 1 and cover half 2, in dynamic model 1 Being provided with the first ejector retainner plate 3 being slidably matched along opening and closing mould direction, the lower section of the first ejector retainner plate 3 is dynamic model 1 Base plate 4, on base plate 4, pivot is equipped with along opening and closing mould direction telescopic axis mechanism 5, and this axis mechanism 5 has There is the rotation central axis 51 of an extended dynamic model 1;As in figure 2 it is shown, have a receiving on the land area of dynamic model 1 Groove 11, accommodates a rotating disk 6 being rotated by rotation central axis 51, rotating disk 6 sets in this holding tank 11 There is at least one dynamic model die cavity 61;Rotation central axis 51 is slidably set with a driven gear 7, this driven tooth Wheel 7 engages with a driving gear 8, and driving gear 8 drives through a drive mechanism 9 and rotates;As it is shown in figure 1, The ejector pin mechanism 10 being arranged right below for ejecting moulding of one of them dynamic model die cavity 61, as shown in Figure 6, The land area of cover half 2 is provided with at least two cover half die cavities 21 mated with dynamic model die cavity 61, each cover half die cavity 21 are uniformly distributed centered by rotation central axis 51;As Figure 1 and Figure 4, the periphery wall of rotation central axis 51 Being fixed with the straight key of at least two 12, the gear hole inwall of driven gear 7 has and inserts extremely for straight key 12 is corresponding Few two keyways 71.The quantity of straight key 12 and keyway 71 arbitrarily can be arranged according to the needs of fitment stability.
Straight key 12 and the quantity of keyway 71 and position, can be according to dynamic model die cavity 61, the quantity of cover half die cavity 21 It is correspondingly arranged with position, to realize rotation central axis 51 after once having rotated, pushes up at rotation central axis 51 When going out, straight key 12 can be properly inserted keyway 71 at any time.As it can be seen, this example is by cover half die cavity 21 and to move Model cavity 61 is all set to three, their position after rotating disk 6 rotates can one_to_one corresponding, matched moulds, join The first die cavity, the second die cavity and the continuous prodution of the 3rd die cavity, beneficially moulding will be formed respectively after conjunction, Improving production efficiency.
As it is shown on figure 3, the drive mechanism 9 of this example includes screw rod 92 and inner screw sheath 93, driving gear 8 is solid Surely being set in inner screw sheath 93, inner screw sheath 93 and screw rod 92 threaded engagement, the lower end of screw rod 92 is fixed on On first ejector retainner plate 3, the top, lower end of the first ejector retainner plate 3 is pressed with a top rod 13, and caping rod 13 is through base plate 4 After stretch out.Top rod 13 is configured to the ejecting mechanism in outside injection machine ejection system, and base plate 4 correspondence offers At least one through hole passed for top rod 13, lead to the hole site is corresponding with rod 13 position, top.That is, be fixed on Top rod 13 in injection machine ejection system withstands on the first ejector retainner plate 3 directly through base plate 4.Top rod 13 pushes up After pressing the first ejector retainner plate 3, make the first ejector retainner plate 3 drive on screw rod 92 and move, during screw rod 92 moves, Drive inner screw sheath 93 is rotated, thus drives driving gear 8 to rotate.It will be appreciated by those skilled in the art that , drive mechanism 9 can also be that other can drive the revolving power mechanism that driving gear 8 rotates.
Smooth and easy for making driving gear 8 rotate, driving gear 8 is through the one first fixing suit of taper roll bearing 14 In inner screw sheath 93, dynamic model 1, the first taper roll bearing are fixed in the outer ring of the first taper roll bearing 14 The inner ring of 14 is fixed on inner screw sheath 93 outer wall.First taper roll bearing 14 can bear what screw rod 92 gave Axial force and radial force.
As shown in Figure 4, during the axis mechanism 5 of this example includes the first oil cylinder 52, shaft coupling 53 and above-mentioned rotation Axle 51, the first oil cylinder 52 is fixed on base plate 4, and the piston rod of the first oil cylinder 52 is solid with one end of shaft coupling 53 Fixed, the lower end of the other end of shaft coupling 53 and rotation central axis 51 is fixed, and the upper end of rotation central axis 51 is fixed on The center of rotating disk 6.After the piston rod of the first oil cylinder 52 ejects, through the connection of shaft coupling 53, in rotation Axle 51 also will eject rotating disk 6.After driven gear 7 is rotated by driving gear 8, insert at straight key 12 In the case of in keyway 71, rotation central axis 51 also will be rotated by driven gear 7, at shaft coupling 53 Under effect, rotation central axis 51 rotates relative to the piston rod of the first oil cylinder 52.
As it is shown in figure 5, wherein, the piston rod upper end of the first oil cylinder 52 is provided with the first stopper section 521, rotates The lower end of axis 51 is provided with the second stopper section 511, and the shaft coupling 53 of this example includes hollow housing 531 and is positioned at First thrust roller bearing the 532, second thrust roller bearing 533 in this hollow housing 531, the first thrust The inner ring of roller bearing 532 is fixed on the lower wall of the second stopper section 511, the first thrust roller bearing 532 The upper wall of the first stopper section 521 is fixed in outer ring, and the lower wall of the first stopper section 521 is fixed on hollow housing 531 Diapire, the inner ring of the second thrust roller bearing 533 is fixed on the upper wall of the second stopper section 511, and second pushes away The roof of hollow housing 531 is fixed in the outer ring of power roller bearing 533.
As it is shown in figure 1, for ease of the moulding ejection device of last station, ejector pin mechanism 10 includes Two oil cylinder the 101, second ejector retainner plates 102, thimble 103 and ejector sleeve 104, the second oil cylinder 101 is fixed on dynamic model 1, the piston rod of the second oil cylinder 101 stretches out along die sinking direction and fixes connection the second ejector retainner plate 102, ejector sleeve 104 Being placed on outside thimble 103, the lower end of thimble 103 is connected with the second ejector retainner plate 102 elasticity, thimble 103 upper End is towards one of them dynamic model die cavity 61.The lower end of thimble 103 can be realized and the second ejector retainner plate by spring The elastic connection of 102.
As shown in Figure 4, more smooth and easy for the rotation making driven gear 7, driven gear 7 is through one second circular cone Roller bearing 15 is fixed on dynamic model 1, and dynamic model is fixed in the outer ring of the second taper roll bearing 15, and second The inner ring of taper roll bearing 15 is fixed on the end face of driven gear 7.Second taper roll bearing 15 can hold The axial force given by rotation central axis and radial force.
The injection flow process of this multi-station injection mould:
1. mould matched moulds, melt plastic cement is injected cooling molding in the first die cavity by injection machine;
2. mould die sinking, active and inactive mold is opened, after dynamic model retreats to certain stroke, the first hydraulic oil cylinder driving rotation central axis band Dynamic rotating disk is released, and during this, the straight key being fixed on rotation central axis inserts in the keyway of driven gear, Driven gear forms linkage structure with rotary shaft;
3. injection machine is driven the first ejector retainner plate by top rod and is driven screw rod to release, due in screw rod and inner screw sheath The engagement of portion's helical tooth, the axially-movable in screw rod die sinking direction is converted into the rotary motion of inner screw sheath, The rotational movement driving gear of inner screw sheath, under the mating reaction of straight key and keyway, driven tooth drives rotation Turn axis and rotating disk rotates, it is achieved product is gone to the action of the second die cavity by the first die cavity;
4. the first hydraulic oil cylinder driving rotation central axis resets, rotating disk resets, and the straight key on rotation central axis departs from keyway, mould Tool matched moulds, the first ejector retainner plate resets, screw reset, and screw rod drives driving gear to rotate, and driven gear dallies;
5. melt plastic cement is injected mould the second die cavity and cools down molding by adapted to injection system;
6. mould die sinking, with above-mentioned 2nd, the 3rd step action is identical, product is forwarded to the 3rd die cavity by the second die cavity;
7. mould matched moulds resets, and melt plastic cement is injected mould the 3rd die cavity and cools down molding by adapted to injection system
8. mould die sinking, second hydraulic oil cylinder driving the second ejector retainner plate immediately below the 3rd die cavity drives thimble to eject injection Part.
9. mould matched moulds resets and carries out the injection mo(u)lding in next cycle.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to limit present invention protection with this Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the present invention and replacement Belong to scope of the present invention.

Claims (7)

1. multi-station injection mould, including dynamic model and cover half, is provided with sliding along opening and closing mould direction in dynamic model Dynamic the first ejector retainner plate coordinated, the lower section of the first ejector retainner plate is the base plate of dynamic model, it is characterised in that: the described end On plate, pivot is equipped with along opening and closing mould direction telescopic axis mechanism, and this axis mechanism has an extended dynamic model Rotation central axis;Have a holding tank on the land area of described dynamic model, this holding tank accommodates one by rotating The rotating disk that axis is rotated, rotating disk is provided with at least one dynamic model die cavity;Described rotation central axis is slidably Being set with a driven gear, this driven gear and driving gear engagement, driving gear drives through a drive mechanism Dynamic rotation;The ejector pin mechanism being arranged right below for ejecting moulding of one of them described dynamic model die cavity, institute The land area stating cover half is provided with at least two cover half die cavities mated with dynamic model die cavity, and each cover half die cavity is with rotation It is uniformly distributed centered by turning axis;The periphery wall of described rotation central axis is fixed with the straight key of at least two, described from The gear hole inwall of moving gear has at least two keyway inserted for straight key correspondence.
Multi-station injection mould the most according to claim 1, it is characterised in that: described driving machine Structure includes that screw rod and inner screw sheath, driving gear fixed cover are loaded on inner screw sheath, inner screw sheath and screw flight Coordinating, the lower end of screw rod is fixed on the first ejector retainner plate, and the lower end of the first ejector retainner plate is fixed with a top rod, should Top rod stretches out after base plate.
Multi-station injection mould the most according to claim 2, it is characterised in that: described driving tooth Wheel is loaded on inner screw sheath through one first taper roll bearing fixed cover, and the outer ring of the first taper roll bearing is fixed In dynamic model, the inner ring of the first taper roll bearing is fixed on inner screw sheath outer wall.
Multi-station injection mould the most according to claim 1, it is characterised in that: described centre shaft machine Structure includes the first oil cylinder, shaft coupling and described rotation central axis, and the first oil cylinder is fixed on described base plate, the first oil The piston rod of cylinder is fixed with one end of shaft coupling, and the other end of shaft coupling is fixed with the lower end of rotation central axis, rotation The center of rotating disk is fixed in the upper end turning axis.
Multi-station injection mould the most according to claim 4, it is characterised in that: described first oil The piston rod upper end of cylinder is provided with the first stopper section, and the lower end of described rotation central axis is provided with the second stopper section, described Shaft coupling includes hollow housing and is positioned at the first thrust roller bearing of this hollow housing, the second thrust roller Bearing, the inner ring of the first thrust roller bearing is fixed on the lower wall of the second stopper section, the first thrust roller bearing Outer ring be fixed on the upper wall of the first stopper section, the lower wall of the first stopper section is fixed on the diapire of hollow housing, The inner ring of the second thrust roller bearing is fixed on the upper wall of the second stopper section, the outer ring of the second thrust roller bearing It is fixed on the roof of hollow housing.
Multi-station injection mould the most according to claim 1, it is characterised in that: described thimble machine Structure includes that the second oil cylinder, the second ejector retainner plate, thimble and ejector sleeve, described second oil cylinder are fixed on dynamic model, second The piston rod of oil cylinder stretches out along die sinking direction and fixes connection the second ejector retainner plate, and described ejector sleeve is placed on outside thimble, The lower end of thimble is connected with the second ejector pin plate elastic, and the upper end of thimble is towards dynamic model die cavity one of them described.
7. according to the multi-station injection mould described in any one of claim 1~6, it is characterised in that: institute Stating driven gear to be fixed on dynamic model through one second taper roll bearing, the outer ring of the second taper roll bearing is solid Due to dynamic model, the inner ring of the second taper roll bearing is fixed on the end face of driven gear.
CN201410167007.2A 2014-04-23 2014-04-23 Multi-station injection molding mold Active CN103950143B (en)

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Publication number Priority date Publication date Assignee Title
CN104924523B (en) * 2015-05-19 2017-03-22 深圳创维精密科技有限公司 Injection mold internal automatic rotation assembly structure
CN105128261A (en) * 2015-07-31 2015-12-09 锦丰科技(深圳)有限公司 Two-color-mold rotation type ejection mechanism and running method thereof
CN106738597B (en) * 2016-12-30 2019-02-15 上海小糸车灯有限公司 A kind of implementation method of three layer of four station of thick-walled parts injection molding
CN106799811B (en) * 2016-12-30 2019-02-15 上海小糸车灯有限公司 A kind of implementation method of three layer of three station of thick-walled parts injection molding
CN106945239B (en) * 2017-04-07 2020-02-18 台州市黄岩奥杰模塑股份有限公司 Electric vehicle pedal injection mold
CN113020078A (en) * 2021-03-25 2021-06-25 长江存储科技有限责任公司 Wafer cleaning device and wafer cleaning method
CN113146956B (en) * 2021-04-21 2022-09-02 浙江利民实业集团有限公司 Co-injection instrument panel mold with self-tearing airbag structure

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JPH01308610A (en) * 1988-06-07 1989-12-13 Matsuji Nakagome Plastic-injection molding device
JPH11931A (en) * 1997-06-13 1999-01-06 Niigata Eng Co Ltd Rotary table device of vertical injection molder
CN201161447Y (en) * 2008-02-14 2008-12-10 富强鑫精密工业股份有限公司 Turntable type ejection shaping apparatus capable of being mounted with rotating shaft
CN202922855U (en) * 2012-11-29 2013-05-08 青岛佳友模具科技有限公司 Rotary injection molding device
CN203919537U (en) * 2014-04-23 2014-11-05 广州导新模具注塑有限公司 Multi-station injection mould

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