CN216992894U - Be applied to plastic frame disjunctor structure's of glasses mould structure - Google Patents

Abstract

The utility model relates to a mold structure of a plastic frame connected structure applied to glasses, which is characterized in that: including last mould and bed die, it has the upper membrane channel of moulding plastics to go up the mould and opens, and the bed die is opened and is had the lower membrane channel of moulding plastics, last membrane channel of moulding plastics have interior concave way and the protruding edge of lateral part, the protruding edge of this lateral part has the lateral wall, the lateral wall on the protruding edge of lateral part is located the outside parting injection face that interior concave way one side formed the glasses plastic frame outside die joint of moulding plastics, the lower membrane channel of moulding plastics have down interior concave way and the protruding edge of medial part, the protruding edge of this medial part has the inside wall, the inside wall on the protruding edge of medial part is located down that interior concave way one side forms the inboard parting injection face that is used for the glasses plastic frame inboard die joint of moulding plastics, when going up mould and bed die and close the membrane, the lower membrane channel of moulding plastics of last membrane channel and bed die forms a complete glasses plastic frame injection chamber. This scheme reasonable in design realizes convenient demoulding structure, and the product of moulding plastics drawing of patterns is indeformable, has improved the stability of the product of moulding plastics.

Description

Be applied to plastic frame disjunctor structure's of glasses mould structure

Technical Field

The utility model relates to a pair of glasses, in particular to a mold structure of a plastic frame connected structure applied to the glasses.

Background

Glasses (glasses) are a combination of lenses and frames for vision improvement, eye protection or decorative purposes. The glasses can correct a variety of vision problems including myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia.

The glasses comprise lenses and a frame. The glasses include myopia glasses, hyperopia glasses, presbyopic glasses, astigmatic glasses, plano glasses, computer goggles, swimming goggles, night vision goggles, electronic competition game goggles, electronic competition goggles, sunglasses, toy glasses and sunglasses 15. There are also special glasses for watching 3D stereoscopic images or virtual real images. Other types of eyewear include goggles, sunglasses, swim glasses, etc., which provide various protective effects to the eyes.

The glasses are mainly manufactured by injection molding of the adopted mold, but the design difficulty of the mold aiming at the plastic frame connected structure is higher at present, the requirements of customers on the frame type are considered, the proposal of mold processing and the simplification of post-process production are also considered, and the existing mold mainly has the following three defects: (1) deformation of the product during demolding; (2) demolding is difficult at deep glue sites; (3) the tail needle is unstable in injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mold structure of a plastic frame conjoined structure applied to glasses, which solves the problems existing in the use process in the prior art.

The technical scheme of the utility model is realized as follows:

be applied to plastic frame disjunctor structure's of glasses mould structure, its characterized in that: including last mould and bed die, it has the upper membrane channel of moulding plastics to go up the mould and opens, and the bed die is opened and is had the lower membrane channel of moulding plastics, the upper membrane channel of moulding plastics have interior concave way and the protruding edge of lateral part, the protruding edge of this lateral part has the lateral wall, the lateral wall on the protruding edge of lateral part is located the outside parting injection face that interior concave way one side formed the glasses plastic frame outside die joint of moulding plastics, the lower membrane channel of moulding plastics have down interior concave way and the protruding edge of medial part, this medial part is protruding along having the inside wall, the inside wall on the protruding edge of medial part is located down interior concave way one side and is formed the inboard parting injection face that is used for the glasses plastic frame inboard die joint of moulding plastics, when going up mould and bed die and close the membrane, the lower membrane channel of moulding plastics of the upper membrane channel and bed die forms a complete glasses plastic frame injection molding chamber.

Preferably, the lower die is provided with a tail needle injection ejection structure.

Preferably, the bed die on open and to have first tail needle file mounting groove and second tail needle file mounting groove, first tail needle file mounting groove and second tail needle file mounting groove are located the membrane down and mould plastics the channel side, install the intervalve between first tail needle file mounting groove and the second tail needle file mounting groove, install the tail needle file that is used for placing the tail needle on the intervalve, this tail needle file below is connected with the ejector pin, installs the tail needle fixed block that is used for placing the tail needle on two tail needle file mounting grooves, tail needle file, ejector pin, tail needle and tail needle fixed block constitute foretell tail needle and mould plastics ejecting structure.

Preferably, the tail needle seat has first tail needle groove and second tail needle groove, and first tail needle groove and second tail needle groove all are the arc structure, have first crossing the way groove between first tail needle groove and the first tail needle seat mounting groove, and first crossing the way groove communicates with each other with first tail needle seat mounting groove, has the second between second tail needle groove and the second tail needle seat mounting groove and passes the way groove, and the second is passed the way groove and is communicated with each other with second tail needle seat mounting groove.

Preferably, the first tail needle groove, the first tail needle seat mounting groove and the first passage groove are on the same axis.

Preferably, the second tail needle groove, the second tail needle seat mounting groove and the second passageway groove are all on the same axis.

Preferably, the lower die is provided with a core-pulling spring plate structure.

Preferably, the bullet board structure of loosing core is including playing board, bullet board mount pad and lower fixing base, installs the spring down on the fixing base, the bed die under the terminal surface open and to be used for the installation the spring mounting hole of spring, bullet board mount pad fixed mounting is on fixing base down, the bullet board is installed on bullet board fixing base, the bed die open have with the slide of bullet board adaptation, the slide with lower inner concave way communicates with each other, when spring compression, the bullet board stretch into down the inner concave way and be formed with the interior extension end that is used for when moulding plastics that can shape glasses mould plastics frame lens mounting groove.

Preferably, four spring mounting holes are arranged and uniformly distributed on the lower end face of the lower die.

In summary, compared with the prior art, the utility model has the beneficial effects that:

(1) the problem of deformation of the product in the demolding process is solved by designing the difference of the uniformity of the front film and the rear film of the parting surface of the product.

(2) Through increasing the shell plate structure of loosing core, solve the deep glue position drawing of patterns difficulty.

(3) The tail needle structure is put to abnormal shape through the design, solves the unstable problem of tail needle injection molding.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a mold structure of a plastic frame conjoined structure applied to glasses.

Fig. 2 is a schematic structural view of the upper mold.

Fig. 3 is a schematic structural view of the lower mold.

Fig. 4 is a perspective view of example one of fig. 3.

Fig. 5 is a perspective view example two of fig. 3.

Fig. 6 is a bottom schematic view of the lower mold.

Fig. 7 is a partial enlarged view at I in fig. 4.

Fig. 8 is a first schematic diagram of an injection molding ejection structure of the plastic frame and the tail pin and a core-pulling spring plate structure.

Fig. 9 is a second schematic diagram of the injection molding ejection structure and the core-pulling spring plate structure of the plastic frame and the tail needle.

Fig. 10 is a schematic view of a compressed state of a spring in the core back spring plate structure.

Fig. 11 is a schematic view of the uncompressed state of the springs in the core back spring plate configuration.

Fig. 12 is a schematic structural view of the lower mold.

Fig. 13 is a partial enlarged view at I in fig. 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 13 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in figures 1 to 9, the utility model discloses a mold structure of a plastic frame conjoined structure applied to glasses, which comprises an upper mold 2 and a lower mold 1, wherein the upper mold 2 is provided with an upper film injection molding channel 2-1, the lower mold 1 is provided with a lower film injection molding channel 1-1, the upper film injection molding channel is provided with an inner concave channel 2-2 and a side convex edge 2-3, the side convex edge 2-3 is provided with a side wall 2-4, the side wall 2-4 of the side convex edge is positioned at one side of the inner concave channel to form an outer side parting injection surface for injection molding of an outer side parting surface of a plastic frame of the glasses, the lower film injection molding channel 1-1 is provided with a lower inner concave channel 1-2 and an inner side convex edge 1-3, the inner side convex edge is provided with an inner side wall 1-4, the inner side wall 1-4 of the inner side convex edge is positioned at one side of the lower concave channel to form an inner side parting surface for injection molding of the plastic frame of the glasses, when the upper mold and the lower mold are closed, the upper film injection molding channel and the lower film injection molding channel of the lower mold form a complete injection molding cavity of the glasses plastic frame.

By the proposal, the upper die 2 and the lower die 1 are both half injection molding cavities of the spectacle plastic frame, through reasonable design, two fall structures of the outer parting injection molding surface and the inner parting injection molding surface form a complete injection molding cavity of the glasses plastic frame 7, the proposal has the advantages that after the injection molding is finished, the outer parting injection molding surface can be separated from the injection molding plastic frame firstly in the opening process of the upper mold, thereby realizing the local rapid demolding, meanwhile, the problems that the whole injection molding cavity is in a lower die at present, the plastic frame is deformed in the demolding process, and demolding is difficult are solved, the design of the scheme realizes more convenient demolding without deformation, referring to figure 3, the plastic frame 7 in the figure is exposed on the outer side surface A after the upper die is demolded, that is, the outer side surface a is formed by the outer parting molding surface of the upper mold 2, and the inner side surface B of the plastic holder 7 is formed by the inner parting molding surface of the lower mold 2.

In order to solve the problem of difficult demoulding of the tail needle, the lower mould 1 is provided with a tail needle injection ejection structure.

The specific scheme of the tail needle injection molding ejection structure is as follows: lower mould 1 on open and to have first tail needle file mounting groove 3 and second tail needle file mounting groove 4, first tail needle file mounting groove 3 and second tail needle file mounting groove 4 are located the film down and mould plastics the channel side, install the intermediate tank between first tail needle file mounting groove and the second tail needle file mounting groove, install the tail needle file 5 that is used for placing the tail needle on the intermediate tank, this tail needle file 5 below is connected with ejector pin 6, installs the tail needle fixed block that is used for placing the tail needle on two tail needle file mounting grooves, tail needle file, ejector pin, tail needle and tail needle fixed block constitute foretell tail needle ejection structure of moulding plastics. The tail needle fixing block is divided into an inner tail needle fixing block 9 and an outer tail needle fixing block 8, and the tail needle seat 5 is driven to move upwards through the ejector rod 6 during operation so that the tail needle seat 5 can be ejected out, and therefore the tail needle can be ejected out.

The tail needle seat has first tail needle groove 10 and second tail needle groove 11, and first tail needle groove 10 and second tail needle groove 11 all are the arc structure, have first crossing groove 13 between first tail needle groove 10 and the first tail needle seat mounting groove 3, and first crossing groove communicates with each other with first tail needle seat mounting groove 3, has the second between second tail needle groove 11 and the second tail needle seat mounting groove 4 and crosses a groove 12, and the second crosses a groove 12 and communicates with each other with second tail needle seat mounting groove 4.

It should be pointed out that first tail needle bed mounting groove 3 and second tail needle bed mounting groove 4 of this scheme form the difference in height for install the interior tail needle fixed block 9 and outer tail needle fixed block 8 in first tail needle bed mounting groove 3 and second tail needle bed mounting groove 4 also be the difference in height structure, have constituted different in nature structure, and the purpose also is for making things convenient for the drawing of patterns, solves the difficult problem of drawing of patterns of present tail needle.

In order to ensure the strength of the tail needle, the first tail needle groove 10, the first tail needle seat installation groove 3 and the first passing groove 13 are preferably on the same axis. Preferably, the second tail needle groove 11, the second tail needle seat installation groove 4 and the second channel groove 12 are located on the same axis.

Example 2

Referring to fig. 10-13, this embodiment is an improvement on the basis of embodiment 1, and mainly aims at that an inward concave structure is required to be molded by injection for assembling lenses on the current spectacle frame, and generally, a convex strip is directly arranged on a mold, but the structural difficulty lies in that the spectacle frame and the convex strip have strong adhesive force after injection molding, which is difficult to demold, and the spectacle frame is difficult to take out and the taking out process can cause deformation of the spectacle frame when being ejected or taken manually, and aiming at the problem, the mold is improved by the scheme, and the specific scheme is as follows: the lower die is provided with a core-pulling elastic plate structure. The loose core spring plate structure comprises a spring plate 14, a spring plate mounting seat 15 and a lower fixing seat 16, wherein a spring 17 is mounted on the lower fixing seat 16, the lower end face of the lower die is provided with a spring mounting hole 18 for mounting the spring, the spring plate mounting seat is fixedly mounted on the lower fixing seat, the spring plate 14 is mounted on the spring plate fixing seat 16, the lower die is provided with a slide matched with the spring plate 14, the spring plate 14 can slide in the slide under the action of force, the slide is communicated with the lower inner groove, and when the spring is compressed, the spring plate extends into the lower inner groove to form an inner extending end 14-1 for forming a glasses plastic frame lens mounting groove 7-1 during injection molding. In order to improve the stability, four spring mounting holes are arranged and are uniformly distributed on the lower end face of the lower die.

The principle of the scheme is as follows: when injection molding is needed, the upper die is buckled on the lower die, the external pressure (such as a press) on the upper die can be taken out, the pressure can also be the self gravity of the upper die, the pressure is taken out of the elastic force of the spring, the spring is not compressed in a normal state, the upper end surface of the elastic plate does not extend into the lower inner concave channel, when the spring compresses the lower die to move downwards when stressed, and at the moment, the inner extending end 14-1 of the elastic plate moves upwards relative to the slide channel to extend into the lower inner concave channel;

after the processing is finished, the upper die is opened, at the moment, the lower die is pushed to move upwards due to the elasticity of the spring, and then the inner extending end 14-1 of the elastic plate is separated from the lens mounting groove 7-1 of the plastic frame of the glasses, so that the core pulling is realized, and the smooth demolding is facilitated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. Be applied to plastic frame disjunctor structure's of glasses mould structure, its characterized in that: including last mould and bed die, it has the upper membrane channel of moulding plastics to go up the mould and opens, and the bed die is opened and is had the lower membrane channel of moulding plastics, last membrane channel of moulding plastics have interior concave way and the protruding edge of lateral part, the protruding edge of this lateral part has the lateral wall, the lateral wall on the protruding edge of lateral part is located the outside parting injection face that interior concave way one side formed the glasses plastic frame outside die joint of moulding plastics, the lower membrane channel of moulding plastics have down interior concave way and the protruding edge of medial part, the protruding edge of this medial part has the inside wall, the inside wall on the protruding edge of medial part is located down that interior concave way one side forms the inboard parting injection face that is used for the glasses plastic frame inboard die joint of moulding plastics, when going up mould and bed die and close the membrane, the lower membrane channel of moulding plastics of last membrane channel and bed die forms a complete glasses plastic frame injection chamber.

2. The mold structure of the plastic frame conjoined structure for glasses according to claim 1, wherein: the lower die is provided with a tail needle injection ejection structure.

3. The mold structure of the plastic frame conjoined structure for glasses according to claim 2, wherein: the lower mould on open and to have first tail needle file mounting groove and second tail needle file mounting groove, first tail needle file mounting groove and second tail needle file mounting groove are located the lower membrane channel side of moulding plastics, install the intervalve between first tail needle file mounting groove and the second tail needle file mounting groove, install the tail needle file that is used for placing the tail needle on the intervalve, this tail needle file below is connected with the ejector pin, installs the tail needle fixed block that is used for placing the tail needle on two tail needle file mounting grooves, tail needle file, ejector pin, tail needle and tail needle fixed block constitute foretell tail needle ejection structure of moulding plastics.

4. The mold structure of the plastic frame conjoined structure for glasses according to claim 3, wherein: the tail needle seat is provided with a first tail needle groove and a second tail needle groove, the first tail needle groove and the second tail needle groove are both arc-shaped structures, a first channel passing groove is formed between the first tail needle groove and the first tail needle seat mounting groove, the first channel passing groove is communicated with the first tail needle seat mounting groove, a second channel passing groove is formed between the second tail needle groove and the second tail needle seat mounting groove, and the second channel passing groove is communicated with the second tail needle seat mounting groove.

5. The mold structure of the plastic frame conjoined structure applied to the glasses according to claim 4, wherein: the first tail needle groove, the first tail needle seat mounting groove and the first passageway groove are positioned on the same axis.

6. The mold structure of plastic frame conjoined structure for glasses according to claim 4 or 5, wherein: the second tail needle groove, the second tail needle seat mounting groove and the second passageway groove are positioned on the same axis.

7. The mold structure of plastic frame conjoined structure for glasses according to claim 3 or 4, wherein: first tail needle bar seat mounting groove and second tail needle bar seat mounting groove form the difference in height for the tail needle fixed block of installing in first tail needle bar seat mounting groove (3) and second tail needle bar seat mounting groove (4) also is the difference in height structure, has constituted different sex structure.

8. The mold structure of plastic frame conjoined structure for glasses according to claim 1, 2, 3 or 4, wherein: the lower die is provided with a core-pulling elastic plate structure.

9. The mold structure of the plastic frame conjoined structure for glasses according to claim 8, wherein: loose core plays board structure is including playing board, play board mount pad and lower fixing base, installs the spring on the lower fixing base, the bed die under the terminal surface open and to have and be used for the installation the spring mounting hole of spring, play board mount pad fixed mounting is on lower fixing base, plays the board and installs on playing the board fixing base, the bed die open have with the slide of playing the board adaptation, the slide with down the inner channel communicate with each other, when spring compression, play the board stretch into down the inner channel and be formed with the interior extension end that is used for when moulding plastics that can shape glasses plastic frame lens mounting groove.

10. The mold structure of the plastic frame conjoined structure for glasses according to claim 9, wherein: four spring mounting holes are arranged and are uniformly distributed on the lower end face of the lower die.

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