CN208558184U - A kind of half frame mirror holder molding die - Google Patents

Abstract

The utility model relates to injection molds, in particular to a kind of half frame mirror holder molding die, solving eyeglass intrusion slot needs secondary operation, the problem of influencing the shaping efficiency of mirror holder, its key points of the technical solution are that a kind of half frame mirror holder molding die, cover half and the dynamic model chimeric with cover half including being equipped with pouring basin, the forming cavity for forming half frame mirror holder is formed between the fixed half and moving half, insert molding chamber is additionally provided between the fixed half and moving half for forming the steel disc of frame intrusion slot, the steel disc is rotatably connected on dynamic model far from the side of forming cavity, the other side of the steel disc far from forming cavity and the first sliding block are rotatablely connected, the first slippage slot for the first sliding block with respect to cover half inclination sliding is offered on the cover half, having reached enables eyeglass intrusion slot to form together with mirror holder, improve the shaping efficiency of mirror holder.

Description

A kind of half frame mirror holder molding die

Technical field

The utility model relates to injection mold, in particular to a kind of half frame mirror holder molding die.

Background technique

Mirror holder is the important component of glasses, primarily serves the effect of support spectacle lens, rakish spectacle frame is also Beautiful effect can be played.By pattern, it can be divided into the types such as full frame, half frame, rimless.As shown in Figure 1 is exactly a kind of half Frame mirror holder 1, it includes the eyeglass intrusion slot 11 for installing eyeglass, is provided with the hinge hole 13 of frame two sides and for installing The roof beam structure hole 12 of nose support.

General mirror holder material is all plastics, is by mold injection molding, but general mold can only form commonly Mirror holder, and eyeglass intrusion slot 11 then needs secondary operation, influences the shaping efficiency of mirror holder.

Utility model content

The purpose of the utility model is to provide a kind of half frame mirror holder molding dies, enable eyeglass intrusion slot together with mirror holder Molding, improves the shaping efficiency of mirror holder.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of half frame mirror holder molding die, cover half and the dynamic model chimeric with cover half including being equipped with pouring basin are described fixed Be formed with the forming cavity for forming half frame mirror holder between mould and dynamic model, between the fixed half and moving half in be additionally provided with insertion at Type chamber is used to form the steel disc of frame intrusion slot, and the steel disc is rotatably connected on dynamic model far from the side of forming cavity, the steel The other side of the piece far from forming cavity and the first sliding block are rotatablely connected, and are offered on the cover half and are driven steel disc to carry out for the first sliding block First slippage slot of rotational slip.

By using above-mentioned technical proposal, in molding, steel disc side and dynamic model are rotatablely connected, and the other side is sliding with first Block rotation connection, in the case that the first sliding block is not influenced by external force, can cooperate with dynamic model, and limitation steel disc is subjected to displacement, During making the mold injection, steel disc can remain static, can be avoided steel disc and shake, steel disc insert molding chamber energy It is enough in molding frame intrusion slot, to make half frame that can be used in being formed without secondary operation frame intrusion slot by the mold Mirror holder improves the shaping efficiency of mirror holder；

In demoulding, steel disc and molding half frame mirror holder can be detached from cover half with dynamic model simultaneously in forming cavity, when the When one sliding block slides along the first slippage slot, the other side of steel disc is driven to slide simultaneously to the direction far from forming cavity, to make steel Piece is fixed on the side on cover half around it and rotated, and realizes the disengaging of steel disc and product, this to be progressively disengaged by rotating Mode is extracted out compared to directly, and steel disc influences smaller on pulling for product, and it is bad to reduce product, improves product quality.

Preferably, the steel disc includes the first matrix band and the second matrix band, first matrix band is towards the The side of two matrix bands offers the first guiding surface of guiding the second matrix band rotation, offer on second matrix band with The second guiding surface that first guiding surface abuts.

By using above-mentioned technical proposal, the cooperation of the first guiding surface and the second guiding surface is capable of increasing the first molding Contact area between piece and the second matrix band further avoids being molded to keep bearing surface between the two more stable Steel disc is slided with respect to dynamic model in the process, improves the stability of steel disc, to further ensure the forming quality of product.

The first matrix band and second is avoided to form preferably, offering between first matrix band and the second matrix band The escape groove that piece collides.

By using above-mentioned technical proposal, the design of escape groove can be such that the first matrix band and the second matrix band was rotating It will not collide with each other in journey, to improve steel disc in the success rate of knockout course.

Preferably, first matrix band offers the first arc groove, the dynamic model far from the side of the second matrix band On be provided with the first guide post being embedded in the first arc groove；

Second matrix band offers the second arc groove far from the side of the first matrix band, is provided on the dynamic model embedding The second guide post being located in the second arc groove.

By using above-mentioned technical proposal, the first guide post and the cooperation of the first arc groove can play the first molding of guiding The purpose of piece rotation, is rotatably connected on the one end fits on dynamic model with the first matrix band, can be improved the first matrix band and rotated Stability in journey；

Second guide post and the second arc groove cooperate, and the purpose of guiding the second matrix band rotation can be played, with the second one-tenth Matrix is rotatably connected on the one end fits on dynamic model, can be improved the stability in the second matrix band rotation process.

Preferably, the first locating piece and the right half block of third are provided on first matrix band, second matrix band On be provided with the second locating piece and the left half block of third with third right half block splicing；

The first locating slot for the insertion of the first locating piece is offered on the cover half, is determined for the second of the insertion of the second locating piece Position slot and the third locating slot being embedded in simultaneously for the left half block of third and the right half block of third.

By using above-mentioned technical proposal, the first locating piece can be avoided the first matrix band with the cooperation of the first locating slot and infuse It is moved during modeling relative to cover half；Second locating piece and the cooperation of the second locating slot can be avoided the second matrix band and be molded The left half block of mobile third, the right half block of third and the cooperation of third locating slot, which occurs, relative to cover half in journey further to stablize, and The stable triangular structure of fixed steel disc can be formed with the first sliding block and dynamic model, further increases and was molded in injection moulding process Cheng Zhong, the stability of steel disc improve product quality.

Preferably, offering first guide post trapezoidal along the longitudinal section in the first slippage slot direction on first sliding block Hole is plugged with the first guide post in first guide pillar hole, and first guide post includes the straightway being installed on cover half and inclines The tilting section being tiltedly plugged in the first guide pillar hole.

By using above-mentioned technical proposal, the first guide pillar hole is set with the first guide post by what straightway and tilting section cooperated Meter, can be such that the first sliding block elder generation straightway moves in the same direction with dynamic model, when the first sliding block slides onto tilting section, the first sliding block is inclining The first slippage slot of guiding role lower edge of oblique section is slided to the direction far from forming cavity, thus without using as cylinder, oil cylinder it In the case where the external actuator of class, it will be able to so that the first sliding block is realized sliding, improve the overall compactness of mould structure.

Preferably, the dynamic model, which is located at, offers second sliding parallel with the first slippage slot on the outside of the first slippage slot Slot, sliding is connected with the second sliding block in second slippage slot, and for formed hinge hole is connected on second sliding block Two form needles, and the second location hole for the second molding needle positioning is offered on the dynamic model.

By using above-mentioned technical proposal, the cooperation of the second sliding block and the second slippage slot can control the molding of the second molding needle Hinge hole, and be located at the second location hole opened up on dynamic model and can be used in guiding the second molding needle, avoid the second molding needle from occurring Offset, not only protects the second molding needle, and the second molding needle is avoided to be broken, and also improves the precision of hinge hole pore-forming.

Preferably, the second guide pillar hole being obliquely installed is offered on second sliding block, the second guide pillar hole grafting There is the second inclined guide pillar being installed on cover half.

By using above-mentioned technical proposal, the second inclined guide pillar and the second guide pillar hole cooperate, can be without using such as cylinder, oil In the case where the external actuator of cylinder etc, it will be able to so that the second sliding block is realized sliding, improve the overall compact of mould structure Property.

Preferably, the dynamic model offers the third sliding parallel with the first slippage slot between two first slippage slots Slot, sliding is connected with third sliding block on the third slippage slot, and for forming roof beam structure hole is connected on the third sliding block Three form needles, and the third location hole for third molding needle positioning is offered on the dynamic model.

By using above-mentioned technical proposal, the cooperation of third sliding block and third slippage slot can control third molding needle molding Roof beam structure hole, and be located at the third location hole opened up on dynamic model and can be used in being oriented to third molding needle, avoid third molding needle from occurring Offset not only protects third to form needle, avoids third molding needle fracture, also improves the precision of hinge hole pore-forming.

Preferably, the third guide pillar hole being obliquely installed is offered on the third sliding block, the third guide pillar hole grafting There is the third inclined guide pillar being installed on cover half.

By using above-mentioned technical proposal, third inclined guide pillar and third guide pillar hole cooperate, can be without using such as cylinder, oil In the case where the external actuator of cylinder etc, it will be able to so that third sliding block is realized sliding, improve the overall compact of mould structure Property.

In conclusion the utility model has the following beneficial effects:

1, the utility model passes through the design of the first sliding block, the second sliding block and third sliding block, makes mirror holder in forming process, Frame intrusion slot, roof beam structure hole and hinge hole can be formed simultaneously, improve shaping efficiency；

2, the utility model pulls steel disc by the first sliding block, to rotate the side that steel disc makes steel disc progressively disengage forming cavity Formula, steel disc influence smaller on pulling for product, and it is bad to reduce product, improves product quality.

Detailed description of the invention

Fig. 1 is the overall structure diagram of mirror holder；

Fig. 2 is the configuration schematic diagram that mold shows dynamic model structure；

Fig. 3 is the configuration schematic diagram that mold shows fixed mould structure；

Fig. 4 is the structural schematic diagram of dynamic model；

Fig. 5 is the enlarged diagram of A in Fig. 4；

Fig. 6 is the schematic diagram of the section structure of mold；

Fig. 7 is the schematic cross-section of mold.

In figure, 1, mirror holder；11, frame intrusion slot；12, roof beam structure hole；13, hinge hole；2, cover half；21, pouring basin；22, A positioning groove；23, the second locating slot；24, third locating slot；3, dynamic model；31, the first slippage slot；32, the first sliding block；321, sliding Shifting portion；322, sticking department；323, the first guide pillar hole；33, the first pilot pin；34, the second pilot pin；35, the second slippage slot；351, First guide post；352, the second guide post；36, the second sliding block；361, the second molding needle；362, second location hole；37, second tiltedly Guide post；38, third slippage slot；39, third sliding block；391, third forms needle；392, third location hole；4, steel disc；41, the first one-tenth Matrix；411, the first positioning region；412, the first forming part；4121, the first guiding surface；4122, the second guiding surface；413, A positioning block；414, the right half block of third；415, the first arc groove；42, the second matrix band；421, the second positioning region；422, second Forming part；423, the second locating piece；424, the left half block of third；425, the second arc groove；43, escape groove；5, the first guide post；51, Straightway；52, tilting section；6, third inclined guide pillar.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Referring to figs. 2 and 3, a kind of half frame mirror holder molding die, cover half 2 and and cover half including offering pouring basin 21 2 chimeric dynamic models 3.The forming cavity being connected to pouring basin 21 by running channel is formed between dynamic model 3 and cover half 2, melt is forming Mirror holder 1 is formed in chamber.The steel disc 4 being additionally provided between cover half 2 and dynamic model 3 in insert molding chamber.Steel disc 4 is symmetrical arranged and molding Chamber cooperates to form the frame intrusion slot 11(of mirror holder 1 referring to Fig. 1).

Referring to Fig. 3 and Fig. 4, steel disc 4 includes two first matrix bands 41 spliced with each other and the second matrix band 42.First at Matrix 41 includes surface the first positioning region 411 being connected on dynamic model 3 and the first forming part 412 for being insert molded in chamber, First positioning region 411 and the first forming part 412 are integrally formed；Second matrix band 42 includes that surface is connected on dynamic model 3 Two positioning regions 421 and the second forming part 422 being insert molded in chamber, the second positioning region 421 and the second forming part 422 same one It is body formed.And first forming part 412 and the second forming part 422 do not contacted with cover half 2 and dynamic model 3, make 412 He of the first forming part Second forming part 422 can be located at the centre of forming cavity, to form frame intrusion slot 11(referring to Fig. 1).

Referring to fig. 4 and Fig. 5, one end of the first forming part 412 towards the second forming part 422 offer the first guiding surface 4121, the first guiding surface 4121 is arc-shaped to the extension of 411 direction of the first positioning region；It is offered in second forming part 422 and the The second guiding surface 4122 that one guiding surface 4121 abuts, the second guiding surface 4122 are in cooperate with the first guiding surface 4121 Arc, and the second guiding surface 4122 extends to 421 direction of the second positioning region, the first positioning region 411 and the second positioning region 421 Between there are gap, form the escape groove 43 connecting with the first guiding surface 4121 and the second guiding surface 4122.

Referring to Fig. 3 and Fig. 5, the first positioning region 411 towards be provided on the end face of cover half 2 to 2 direction of cover half protrusion the A positioning block 413 offers the first locating slot 22 being embedded for the first locating piece 413 on cover half 2；Second positioning region, 421 direction It is provided with the second locating piece 423 to 2 direction of cover half protrusion in the one side of cover half 2, offers on cover half 2 for the second locating piece 423 the second locating slots 23 being embedded；Edge placement of first positioning region 411 close to the second positioning region 421 is additionally provided with to cover half 2 The right half block 414 of the third of direction protrusion, edge placement of second positioning region 421 close to the first positioning region 411 is provided with and third The third left half block 424 of right 414 split of half block offers on cover half 2 for the right half block 414 of third and the left half block 424 of third simultaneously The third locating slot 24 of insertion.

It is offered between the first matrix band 41 and the second matrix band 42 and escape groove 43 with Fig. 5, dynamic model 3 referring to fig. 2 First slippage slot 31 of connection.The inclination of first slippage slot 31 is provided with dynamic model 3 towards on the end face of cover half 2, and the first slippage slot 31 opening is arranged on the side wall of dynamic model 3.

Referring to Fig. 5, Fig. 6 and Fig. 7, sliding is connected with the first sliding block 32 on the first slippage slot 31, and the first sliding block 32 includes Sliding is connected to the slipping part 321 in the first slippage slot 31 and the sticking department 322 towards steel disc 4.First matrix band 41 and Two matrix bands 42 pass through the first pilot pin 33 close to the side of escape groove 43 and connect with sticking department 322,41 He of the first matrix band The aperture in the hole worn on the second matrix band 42 for the first pilot pin 33 is greater than the outer diameter of the first pilot pin 33.Make the first molding Piece 41 and the second matrix band 42 can be rotated along the axis of the first pilot pin 33.First matrix band 41 and the second matrix band 42 Side far from escape groove 43 is connected on dynamic model 3 by the second pilot pin 34, and the first matrix band 41 and the second matrix band 42 are same Sample can be rotated along the axis of the second pilot pin 34.

Referring to Fig. 5, the first matrix band 41 offers the first arc groove 415 far from the side of the second matrix band 42, dynamic model 3 to Upper protrusion is formed with the first guide post 351 being embedded in the first arc groove 415.When the first matrix band 41 is around the second pilot pin 34 When rotation, the first arc groove 415 is rotated around the first guide post 351.Similarly, the second matrix band 42 far from the first matrix band 41 one Side offers the second arc groove 425, and dynamic model 3 raises upward the second guide post for being formed with and being embedded in the second arc groove 425 352.When the second matrix band 42 is rotated around the second pilot pin 34, the second arc groove 425 is rotated around the second guide post 352.

Referring to Fig. 5 and Fig. 7, offered on the first sliding block 32 longitudinal section along 31 direction of the first slippage slot it is trapezoidal first Guide pillar hole 323.The trapezoidal inclined plane of first guide pillar hole 323 is directed away from the side of forming cavity.Is plugged in first guide pillar hole 323 One guide post 5.First guide post 5 includes the straightway 51 being fixed on cover half 2 and is plugged on the first guide post along trapezoidal hypotenuse inclination Tilting section 52 in hole 323.

Referring to figs. 2 and 3, dynamic model 3, which is located on the outside of the first slippage slot 31, offers second parallel with the first slippage slot 31 Slippage slot 35, the interior sliding of the second slippage slot 35 are connected with the second sliding block 36, are installed on the second sliding block 36 for formed hinge hole 13 the second molding needle 361, offers the second location hole 362 being coaxially disposed with the second molding needle 361 on dynamic model 3, and the second one-tenth The end of type needle 361 is insert molded in chamber.

Referring to figs. 2 and 3, the second guide pillar hole being obliquely installed, the inclination of the second guide pillar hole are offered on the second sliding block 36 Direction is consistent with the bevel direction of the first guide pillar hole 323, and the opening of the second guide pillar hole towards 3 one end of dynamic model is located exactly at second 36 top of sliding block.Second slip hole parallel with the axis of the second guide pillar hole is offered on second sliding block.It is inserted in second guide pillar hole It is connected to the second inclined guide pillar 37 being installed on cover half 2, the end of the second inclined guide pillar 37 is threaded through in the second slip hole, and when die sinking When, the second sliding block 36 is slid along the second inclined guide pillar 37.

Referring to figs. 2 and 3, dynamic model 3 is also provided with parallel with the first slippage slot 31 between two first slippage slots 31 Third slippage slot 38.Sliding is connected with third sliding block 39 in third slippage slot 38, is installed on third sliding block 39 for forming beam The third of frame aperture 12 forms needle 391, and the third location hole 392 being coaxially disposed with third molding needle 391 is offered on dynamic model 3, the The end of three molding needles 391 is insert molded in chamber.

Referring to figs. 2 and 3, the third guide pillar hole being obliquely installed, the inclination of third guide pillar hole are offered on third sliding block 39 Direction is consistent with the bevel direction of the first guide pillar hole 323, and the opening of third guide pillar hole towards 3 one end of dynamic model is located exactly at third 39 top of sliding block.The third slip hole parallel with the axis of third guide pillar hole is offered on third sliding block.Third guide pillar hole grafting There is the third inclined guide pillar 6 being installed on cover half 2, the end of third inclined guide pillar 6 is threaded through in third slip hole, and when die sinking, Third sliding block 39 is slid along third inclined guide pillar 6.

The mold molds first when making mirror holder 1, injects melt, forms mirror holder 1 after melt is cooling in forming cavity.

It is demoulded later, dynamic model 3 slides to the direction far from cover half 2；It is oblique by the second inclined guide pillar 37 and third at this time The guiding role of guide post 6, as dynamic model 3 is separate to cover half 2, the second sliding block 36 is along the second slippage slot 35 to the side far from forming cavity To sliding, third sliding block 39 is slid along third slippage slot 38 to the direction far from forming cavity, make the second molding needle 361 and third at Type needle 391 progressively disengages forming cavity.

And when dynamic model 3 and the separation of cover half 2 to the first locating piece 413 are detached from the first locating slot 22, the second locating piece 423 is detached from When second locating slot 23 and the right half block 414 of third and the left half block 424 of third are detached from third locating slot 24, at this time the first sliding block 32 with Dynamic model 3 slides onto the bottom of the straightway 51 of the first guide post 5.Also, the first sliding block 32 continues separation in dynamic model 3 and cover half 2 In the case of, it slides into tilting section 52, at this point, first sliding block 32 is in tilting section 52 with the lasting separation of dynamic model 3 and cover half 2 It is moved under guiding to the direction far from forming cavity, drives the first pilot pin 33 to move to far from molding cavity direction, to make first One end that matrix band 41 and the second matrix band 42 are fixed on the first pilot pin 33 detaches forming cavity with the first sliding block 32, and due to The fixation of second pilot pin 34 makes the first pilot pin 33 drive the first matrix band 41 or the second matrix band 42 around the second pilot pin 34 It is rotated, so that the first matrix band 41 and the second matrix band 42 be made gradually to disengage with frame intrusion slot 11.Later, can pass through Mandril ejects mirror holder 1 from forming cavity, completes demoulding.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of half frame mirror holder molding die, which is characterized in that cover half (2) and and cover half including being equipped with pouring basin (21) (2) chimeric dynamic model (3) is formed with the forming cavity for forming half frame mirror holder (1), institute between the cover half (2) and dynamic model (3) It states and is additionally provided with insert molding chamber between cover half (2) and dynamic model (3) for forming the steel disc (4) of frame intrusion slot (11), institute Steel disc (4) are stated to be rotatably connected on dynamic model (3) far from the side of forming cavity, the other side of the steel disc (4) far from forming cavity with First sliding block (32) is rotatablely connected, and is offered on the cover half (2) and is driven steel disc (4) to carry out rotational slip for the first sliding block (32) The first slippage slot (31).

2. a kind of half frame mirror holder molding die according to claim 1, which is characterized in that the steel disc (4) includes The side of one matrix band (41) and the second matrix band (42), first matrix band (41) towards the second matrix band (42) opens up There is the first guiding surface (4121) of guiding the second matrix band (42) rotation, is offered on second matrix band (42) and first The second guiding surface (4122) that guiding surface (4121) abuts.

3. a kind of half frame mirror holder molding die according to claim 2, which is characterized in that first matrix band (41) and The escape groove for avoiding the first matrix band (41) and the second matrix band (42) from colliding is offered between second matrix band (42) (43).

4. a kind of half frame mirror holder molding die according to claim 2, which is characterized in that first matrix band (41) is remote Side from the second matrix band (42) offers the first arc groove (415), is provided with and is embedded in the first arc on the dynamic model (3) The first guide post (351) in slot (415)；

Second matrix band (42) offers the second arc groove (425), the dynamic model far from the side of the first matrix band (41) (3) the second guide post (352) being embedded in the second arc groove (425) is provided on.

5. a kind of half frame mirror holder molding die according to claim 2, which is characterized in that on first matrix band (41) It is provided with the first locating piece (413) and the right half block of third (414), is provided with the second locating piece on second matrix band (42) (423) and with the right half block of third (414) the left half block of third (424) spliced；

The first locating slot (22) for the first locating piece (413) insertion is offered on the cover half (2), for the second locating piece (423) the second locating slot (23) being embedded in and the third being embedded in simultaneously for the left half block of third (424) and the right half block of third (414) Locating slot (24).

6. a kind of half frame mirror holder molding die according to claim 1, which is characterized in that opened on first sliding block (32) Equipped with trapezoidal the first guide pillar hole (323) in the longitudinal section along the first slippage slot (31) direction, first guide pillar hole (323) is interior It is plugged with the first guide post (5), first guide post (5) includes the straightway (51) being installed on cover half (2) and inclination grafting Tilting section (52) in the first guide pillar hole (323).

7. a kind of half frame mirror holder molding die according to claim 1, which is characterized in that the dynamic model (3) is located at first Second slippage slot (35) parallel with the first slippage slot (31) is offered on the outside of slippage slot (31), second slippage slot (35) is interior Sliding is connected with the second sliding block (36), is connected on second sliding block (36) and is formed needle for the second of formed hinge hole (13) (361), the second location hole (362) for the second molding needle (361) positioning is offered on the dynamic model (3).

8. a kind of half frame mirror holder molding die according to claim 7, which is characterized in that opened on second sliding block (36) Equipped with the second guide pillar hole being obliquely installed, second guide pillar hole is plugged with the second inclined guide pillar (37) being installed on cover half (2).

9. a kind of half frame mirror holder molding die according to claim 1, which is characterized in that the dynamic model (3) is located at two the The third slippage slot (38) parallel with the first slippage slot (31), the third slippage slot (38) are offered between one slippage slot (31) Upper sliding is connected with third sliding block (39), and the third molding for forming roof beam structure hole (12) is connected on the third sliding block (39) Needle (391) offers the third location hole (392) for third molding needle (391) positioning on the dynamic model (3).

10. a kind of half frame mirror holder molding die according to claim 9, which is characterized in that on the third sliding block (39) The third guide pillar hole being obliquely installed is offered, the third guide pillar hole is plugged with the third inclined guide pillar being installed on cover half (2) (6).