WO2012162998A1 - 树脂镜片成型模具夹持装置 - Google Patents

树脂镜片成型模具夹持装置 Download PDF

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Publication number
WO2012162998A1
WO2012162998A1 PCT/CN2011/080610 CN2011080610W WO2012162998A1 WO 2012162998 A1 WO2012162998 A1 WO 2012162998A1 CN 2011080610 W CN2011080610 W CN 2011080610W WO 2012162998 A1 WO2012162998 A1 WO 2012162998A1
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WIPO (PCT)
Prior art keywords
rod
pressing
seat body
resin lens
hole
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PCT/CN2011/080610
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English (en)
French (fr)
Inventor
陈宇翔
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厦门虹泰光学有限公司
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Application filed by 厦门虹泰光学有限公司 filed Critical 厦门虹泰光学有限公司
Publication of WO2012162998A1 publication Critical patent/WO2012162998A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Definitions

  • the present invention relates to a holding device for a resin lens molding die.
  • the resin lens molding die 100 is composed of a pair of die sheets 10, 20 and an outer band 30 as shown in Figs. 1 and 2, each of which is provided with a holding member 40.
  • a pair of dies 10 and 20 are stacked and held together by the outer ferrule 30, and the dies 10 and 20 are clamped by the holding member 40, so that the dies 10 and 20 are formed for molding.
  • the outer hoop 30 is tilted, the resin is injected into the cavity by a feeding gun, and the feeding gun is taken out, and the outer hoop 30 is hooped outside the molds 10 and 20 under the action of its own elasticity, and then the forming mold is placed in the heater.
  • the resin in the cavity is heat-cured, and the holding member 40, the outer ferrule 30, the dies 10 and 20 are removed, and the mold is removed to complete the molding of the resin lens.
  • a pair of die 10 and 20 are completely clamped and fixed by the clamping member 40 by its own elastic action, and each time the clamping member 40 and the detaching clamping member 40 are assembled, the elastic clamping member 40 must be overcome. Laborious, difficult to process;
  • the present inventors have specially developed a resin lens molding mold holding device, and the present invention has been produced.
  • the solution of the present invention is:
  • the resin lens forming mold clamping device comprises a seat body, a spacer, a guide rod, a large spring, a pressing rod and a positioner;
  • the guide rod is mounted on the seat body;
  • a plurality of spacers are slidably mounted on the guide rod;
  • the large spring corresponds to the spacer
  • the center is fixed on the seat body at one end of the mounting guide rod;
  • the center of the pressing rod corresponding to the spacer is inserted into the through hole of the seat at the other end of the mounting guide rod;
  • the positioner is installed between the pressing rod and the seat body, and the pressing rod is supported by the positioner Fixed on the seat.
  • the two sides of the spacer are formed with lugs, and a C-shaped card slot is formed on the lug.
  • the spacer is sleeved on the guide rod by a C-shaped card slot and is slidably mounted on the guide rod.
  • the two sides of the spacer are respectively convexly formed to form a pressing block for clamping the molding die.
  • One end of the pressing rod forms a clamping head for clamping the molding die and the other end forms a pressing head.
  • the positioner is composed of a mounting piece, a positioning piece and a movable piece.
  • One end of the mounting piece is fixed on the seat body, the positioning piece is fixed on the other end of the mounting piece, a perforation is formed on the positioning piece, and the movable piece is pivoted on the other end of the mounting piece, and the movable piece is movable.
  • a card hole is formed on the sheet, and a small spring is arranged between the movable piece and the positioning piece.
  • the pressing rod is disposed in the hole, the through hole and the through hole.
  • the pressing rod forms a bayonet between the through hole and the through hole, and the compression spring is sleeved on the pressing rod.
  • the upper ends of the compression springs abut against the seat body and the bayonet pins.
  • the positioner is composed of a latching tooth, a convex card and a return spring.
  • the latching and the convex card are respectively formed on the seat body and the pressing rod.
  • the pressing rod forms a bayonet, the compression spring is sleeved on the pressing rod and the two ends of the compression spring are abutted on the seat. Body and bayonet.
  • the present invention is used to replace the clamp member of the prior art.
  • the assembled molding die (composed of a pair of die and outer hoop) is placed one by one between the adjacent two spacers, and then the pressing bar is pressed and positioned by the positioner, thus using the pressing bar and the large
  • the spring clamps several molding dies at the same time; then, as in the prior art, the resin is added to each molding die one by one, and then several molding dies are placed together in the heater, heated and solidified, and then taken out from the heater, and then acted
  • the positioner is used to release the positioning function, that is, the clamping action of the utility model on several molding dies is simultaneously cancelled.
  • the clamping action is realized by the large spring and the pressing rod.
  • the clamping force is always the same and is not reduced by repeated use. It does not have to be adjusted as often as in the prior art, so that the processing process of the resin lens is simple;
  • processing a number of lenses only need one-time assembly clamping and one-time lifting and clamping, and heating and curing only need to be put into the heater once, and then removed from the heater once after curing, saving time and labor , processing costs are reduced.
  • FIG. 1 is an exploded perspective view of a resin lens molding die and a holding member in the prior art
  • FIG. 2 is a schematic view showing the combination of a resin lens molding die and a clamping member in the prior art
  • Figure 3 is a perspective view of the first embodiment of the present invention.
  • Figure 4 is a perspective view of the second embodiment of the present invention.
  • Figure 5 is a side view of the present invention.
  • Figure 6 is a schematic view showing the clamping state of the present invention in cooperation with a resin lens molding die
  • Fig. 7 is a schematic view showing the disengagement of the present invention in cooperation with a resin lens molding die.
  • the resin lens forming mold clamping device disclosed in the present invention comprises a seat body 1, a spacer 2, a guide rod 3, a large spring 4, a pressing rod 5 and a positioner 6.
  • the seat body 1 is the foundation of the installation of the utility model, and can be composed of two pieces.
  • the guide rod 3 is mounted on the seat body 1. There are at least two guide bars 3.
  • a plurality of spacers 2 are slidably mounted on the guide bars 3.
  • a lug 21 is formed on each of the two sides of the spacer 2, and a C-shaped card slot 22 is formed in the lug 21, and the spacer 2 is slidably mounted on the guide bar 3 by being sleeved on the guide bar 3 by the C-shaped card slot 22.
  • the two sides of the spacer 2 are respectively convexly formed to form a pressing block 23 for better clamping of the molding die 100.
  • the center of the large spring 4 corresponding to the spacer 2 is fixed to the seat body 1 at one end of the mounting guide 3.
  • the center of the pressure bar 5 corresponding to the spacer 2 is inserted into the through hole 11 of the seat body 1 at the other end of the mounting guide 3.
  • one end of the pressing bar 5 forms a clamping head 51 of the clamping molding die 100 and the other end forms a pressing head 52.
  • the positioner 6 is mounted between the pressure bar 5 and the seat body 1, and the pressure bar 5 is fixed to the seat body 1 by means of a positioner 6.
  • the positioner 6 is a position for positioning the pressing rod 5 when the molding die 6 is clamped, and has a large number of structures.
  • the positioner 6 is composed of a mounting piece 61, a positioning piece 62 and a movable piece 63.
  • One end of the mounting piece 61 is fixed on the base body 1.
  • the positioning piece 62 is fixed on the other end of the mounting piece 61, and the positioning piece 62 is opened.
  • the through hole 64 is disposed on the other end of the mounting piece 61.
  • the movable piece 63 defines a hole 65.
  • a small spring 66 is disposed between the movable piece 63 and the positioning piece 62 to reset the movable piece 63.
  • the pressing rod 5 is worn. Placed in the card hole 65, the through hole 64 and the through hole 11, the pressing rod 5 forms a bayonet 53 between the through hole 64 and the through hole 11, and the compression spring 67 is sleeved on the pressing rod 5, and both ends of the pressing spring 67 abut against the seat body. 1 and the bayonet 53.
  • the pressing rod 5 is pressed into the seat body 1, and the compression spring 67 is compressed.
  • the pressing rod 5 is positioned by the staggered perforations 64 and the card holes 65.
  • the pressing rod 5 cooperates with the large spring 4 to clamp the molding die 100.
  • the positioner can also be composed of a latching tooth, a convex card and a return spring.
  • the latching teeth and the convex card are respectively formed on the seat body and the pressing rod, and the pressing rod forms a bayonet, the compression spring sleeve is sleeved on the pressing rod and the two ends of the compression spring are abutted on the seat. On the body and the bayonet, the positioning is achieved by the cooperation of the latching teeth and the convex card.
  • the assembled molding die 100 (composed of a pair of die and the outer hoop) is placed one by one between the adjacent two spacers 2, and the pressing bar is pressed. 5 and positioning by means of the positioner 6, a plurality of forming dies 100 are simultaneously clamped by the pressing rod 5 and the large spring 4.
  • the resin is added to each of the molding dies 100 one by one, and a plurality of molding dies 100 are placed in the heater together with the present invention, and are taken out by heating and solidification.
  • the action positioner 6 releases the positioning action, and the clamping action of the present invention on the plurality of molding dies 100 can be simultaneously cancelled.
  • the invention makes the resin lens easy to process, saves labor, saves time and labor, and greatly reduces processing cost.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

树脂镜片成型模具（100）夹持装置，包括座体（1）、隔片（2）、导杆（3）、大弹簧（4）、压杆（5）和定位器（6）；导杆（3）安装在座体（1）上；若干隔片（2）滑动架设在导杆（3）上；大弹簧（4）对应隔片（2）的中心固定在安装导杆（3）一端的座体（1）上；压杆（5）对应隔片（2）的中心穿插在安装导杆（3）另一端的座体（1）通孔（11）中；定位器（6）安装在压杆（5）和座体（1）之间，压杆（5）借助定位器（6）固定在座体(1）上。该夹持装置使树脂镜片成型加工容易，省时省工。

Description

树脂镜片成型模具夹持装置 技术领域
本发明涉及树脂镜片成型模具的夹持装置。
背景技术
现有技术中，树脂镜片成型模具100如图1和图2所示，由一对模片10、20和外箍30组成，每一组成型模具都配备一个夹持件40。
加工树脂镜片时，一对模片10和20叠置并由外箍30固定在一起，再由夹持件40将模片10和20夹紧，使模片10和20之间形成用于成型镜片的模腔。将外箍30翘开，用加料枪将树脂注入模腔中，再将加料枪抽出，外箍30在自身弹性作用下重新箍在模片10和20外，然后，将成型模具放入加热器中，使模腔中的树脂受热固化，再卸下夹持件40、外箍30、模片10和20，脱模，完成树脂镜片的成型。
现有树脂镜片在加工成型的过程中存在以下缺陷：
一、一对模片10和20完全由夹持件40靠自身弹性作用而夹紧固定，每次组装夹持件40和拆卸夹持件40都需克服弹性扳开夹持件40，操作十分费力，加工难度大；
二、夹持件40经多次扳开再回复后，夹紧力大大减小，所以，需要经常调节夹持件40，使夹持件40保持夹紧力度，增加调节操作，使树脂镜片加工成型过程麻烦；
三、每加工一片镜片都需要组装一次夹持件40和拆卸一次夹持件40，而且，加热固化也需逐一放入加热器中，待固化后再逐一从加热器中取出，十分费工费时，加工成本增加。
有鉴于现有树脂镜片加工成型存在诸多缺陷，本发明人专门研发一种树脂镜片成型模具夹持装置，本案由此产生。
发明内容
本发明的目的在于提供一种树脂镜片成型模具夹持装置，以使加工容易，省时省工。
为了达成上述目的，本发明的解决方案是：
树脂镜片成型模具夹持装置，包括座体、隔片、导杆、大弹簧、压杆和定位器；导杆安装在座体上；若干隔片滑动架设在导杆上；大弹簧对应隔片的中心固定在安装导杆一端的座体上；压杆对应隔片的中心穿插在安装导杆另一端的座体通孔中；定位器安装在压杆和座体之间，压杆借助定位器固定在座体上。
上述隔片的两边各形成凸耳，凸耳上开设C型卡槽，隔片借助C型卡槽套在导杆上而滑动架设在导杆上。
上述隔片的两侧分别凸起形成用于夹紧成型模具的压块。
上述压杆的一端形成夹紧成型模具的夹持头而另一端形成按压头。
上述定位器由安装片、定位片和活动片组成，安装片的一端固定在座体上，定位片固定在安装片的另一端，定位片上开设穿孔，活动片枢设在安装片的另一端，活动片上则开设卡孔，活动片和定位片之间设置小弹簧，压杆穿置在卡孔、穿孔和通孔中，压杆在穿孔和通孔之间形成卡销，压簧套在压杆上且压簧的两端抵在座体和卡销上。
上述定位器由卡齿、凸卡和复位弹簧组成，卡齿和凸卡分别形成在座体和压杆上，压杆上形成卡销，压簧套在压杆上且压簧的两端抵在座体和卡销上。
采用上述方案后，本发明是用于代替现有技术中的夹持件。使用时，将组装好的成型模具（一对模片和外箍组成）一一放在相邻的两个隔片之间，然后按压压杆并借助定位器定位，这样，利用压杆和大弹簧将若干成型模具同时夹紧；再像现有技术那样，将树脂逐一加入每一个成型模具中，接着将若干成型模具一起放在加热器中，加热固化后再从加热器中取出，之后动作定位器而解除定位作用，即同时解除本实用新型对若干成型模具的夹持作用。
本实用新型与现有技术相比，具有以下优点：
一、若干对模片同时由本实用新型的大弹簧和压杆夹紧固定，每次组装和拆卸只需轻松按压压杆或动作定位器，操作十分轻松、容易；
二、夹紧作用由大弹簧和压杆实现，夹紧力始终如一并不因为反复使用而减小，不必像现有技术那样经常调节，使树脂镜片加工成型过程简单；
三、加工若干镜片只需要一次性组装夹紧和一次性解除夹紧，而且，加热固化也只需要一次性放入加热器中，待固化后再一次性从加热器中取出，省时省工，加工成本降低。
附图说明
图1是现有技术中树脂镜片成型模具和夹持件的立体分解图；
图2是现有技术中树脂镜片成型模具和夹持件的组合示意图；
图3是本发明的立体示意图一；
图4是本发明的立体示意图二；
图5是本发明的侧视图；
图6是本发明与树脂镜片成型模具配合的夹紧状态示意图；
图7是本发明与树脂镜片成型模具配合的解除夹紧示意图。
标号说明
成型模具100
模片10模片20
外箍30夹持件40
座体1
隔片2凸耳21
C型卡槽22压块23
导杆3
大弹簧4
压杆5夹持头51
按压头52卡销53
定位器6安装片61
定位片62活动片63
穿孔64卡孔65
小弹簧66压簧67
具体实施方式
以下结合附图及具体实施例对本发明做详细描述。
请参阅图3至图7所述，本发明揭示的树脂镜片成型模具夹持装置，包括座体1、隔片2、导杆3、大弹簧4、压杆5和定位器6。
座体1是本实用新型安装基础，具体可由二片组成。
导杆3安装在座体1上。导杆3至少有二根。
若干隔片2滑动架设在导杆3上。隔片2的两边各形成凸耳21，凸耳21上开设C型卡槽22，隔片2借助C型卡槽22套在导杆3上而滑动架设在导杆3上。为了使夹紧更稳固，隔片2的两侧分别凸起形成压块23用于更好地夹紧成型模具100。
大弹簧4对应隔片2的中心固定在安装导杆3一端的座体1上。
压杆5对应隔片2的中心穿插在安装导杆3另一端的座体1通孔11中。为了更好操作压杆5和夹紧成型模具100，压杆5的一端形成夹紧成型模具100的夹持头51而另一端形成按压头52。
定位器6安装在压杆5和座体1之间，压杆5借助定位器6固定在座体1上。定位器6是用于夹紧成型模具6时定位压杆5的位置，其结构有很多。此实施例中，定位器6由安装片61、定位片62和活动片63组成，安装片61的一端固定在座体1上，定位片62固定在安装片61的另一端，定位片62上开设穿孔64，活动片63枢设在安装片61的另一端，活动片63上则开设卡孔65，活动片63和定位片62之间设置使活动片63复位的小弹簧66，压杆5穿置在卡孔65、穿孔64和通孔11中，压杆5在穿孔64和通孔11之间形成卡销53，压簧67套在压杆5上且压簧67的两端抵在座体1和卡销53上。树脂镜片成型时，向座体1内按压压杆5，压簧67压缩，压杆5借助错开的穿孔64和卡孔65而定位，借助压杆5与大弹簧4配合可夹紧成型模具100；树脂镜片成型后，按压活动片63，压缩小弹簧66，穿孔64和卡孔65对齐而解除定位，压杆5在压簧67的作用下复位，解除对树脂成型模具100的夹紧作用，同时活动片63在小弹簧66的作用下复位。定位器也可由卡齿、凸卡和复位弹簧组成，卡齿和凸卡分别形成在座体和压杆上，压杆上形成卡销，压簧套在压杆上且压簧的两端抵在座体和卡销上，由卡齿和凸卡配合实现定位。
本发明配合成型模具100使用时，如图6所示，将组装好的成型模具100（一对模片和外箍组成）一一放在相邻的两个隔片2之间，按压压杆5并借助定位器6定位，利用压杆5和大弹簧4将若干成型模具100同时夹紧。将树脂逐一加入每一个成型模具100中，再将若干成型模具100与本实用新型一起放在加热器中，加热固化后取出。如图7所示，动作定位器6解除定位作用，可同时解除本实用新型对若干成型模具100的夹持作用。本发明使树脂镜片加工容易，省工省时省力，加工成本大大降低。
以上所述仅为本发明的一个实施例，并非对本案设计的限制，凡依本案的设计关键所做的等同变化，均落入本案的保护范围。

Claims (6)

1.树脂镜片成型模具夹持装置，其特征在于：包括座体、隔片、导杆、大弹簧、压杆和定位器；导杆安装在座体上；若干隔片滑动架设在导杆上;大弹簧对应隔片的中心固定在安装导杆一端的座体上：压杆对应隔片的中心穿插在安装导杆另一端的座体通孔;定位器安装在压杆和座体之间，压杆借助定位器固定在座体上。
2.如权利要求1所述的树脂镜片成型模具夹持装置，其特征在于：上述隔片的两边各形成凸耳，凸耳上开设C型卡槽，隔片借助C型卡槽套在导杆上而滑动架设在导杆上。
3.如权利要求1所述的树脂镜片成型模具夹持装置，其特征在于：上述隔片的两侧分别凸起形成用于夹紧成型模具的压块。
4.如权利要求1所述的树脂镜片成型模具夹持装置，其特征在于：上述压杆的一端形成夹紧成型模具的夹持头而另一端形成按压头。
5.如权利要求1所述的树脂镜片成型模具夹持装置，其特征在于：上述定位器由安装片、定位片和活动片组成，安装片的一端固定在座体上，定位片固定在安装片的另一端，定位片上开设穿孔，活动片枢设在安装片的另一端，活动片上则开设卡孔，活动片和定位片之间设置小弹簧，压杆穿置在卡孔、穿孔和通孔中，压杆在穿孔和通孔之间形成卡销，压簧套在压杆上且压簧的两端抵在座体和卡销上。
6.如权利要求1所述的树脂镜片成型模具夹持装置，其特征在于：上述定位器由卡齿、凸卡和复位弹簧组成，卡齿和凸卡分别形成在座体和压杆上，压杆上形成卡销，压簧套在压杆上且压簧的两端抵在座体和卡销上。
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