CN215825847U

CN215825847U - Integrative industry lens manufacturing mould

Info

Publication number: CN215825847U
Application number: CN202122425650.9U
Authority: CN
Inventors: 彭汉武
Original assignee: Heshengxin Xiamen Optical Technology Co ltd
Current assignee: Heshengxin Xiamen Optical Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-15
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the field of injection molding of glasses, and discloses an integrated industrial lens manufacturing mold which comprises a fixed mold, the movable mould comprises a fixed mould core and a fixed mould insert, the fixed mould is positioned above the movable mould, the fixed mould comprises a fixed mould core and a fixed mould insert, the fixed mould insert is fixed in the fixed mould core, the movable mould comprises a movable mould core and a movable mould insert, the movable mould insert is fixed in the movable mould core, a forming cavity is arranged on the movable mould insert, the positioning assembly comprises an inclined guide pillar and a slide block, a slide groove is formed in the upper surface of the movable mould core, the slide block is slidably arranged in the slide groove, the inclined guide pillar is fixed on the lower surface of the fixed mould core, an inclined guide groove matched with the inclined guide pillar is formed in the slide block, a horizontal fixing needle is fixed on the side surface, close to the movable mould insert, of the slide block, and a fixing hole corresponding to the fixing needle is formed in the movable mould insert.

Description

Integrative industry lens manufacturing mould

Technical Field

The utility model relates to the field of injection molding of glasses, in particular to an integrated industrial lens manufacturing mold.

Background

Spectacles are lens pieces embedded in a frame that are worn in front of the eyes to improve vision, protect the eyes, or for decorative purposes. Lenses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, or strabismus. The glasses are composed of lenses and a glasses frame. The glasses include myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses.

The lens is made of a transparent material with one or more curved surfaces, which is made of optical materials such as glass or resin, and when the existing mold is used for injection molding of the integrated glasses, the mold closing positions of the fixed mold and the movable mold are not accurate enough, and the position of the insert of the movable mold is easy to change slightly, so that the quality of an injection molding product is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the existing lens preparation mold has the problems that during mold closing, a movable mold and a fixed mold cannot be accurately fixed, the positions are easy to change, and the product quality is affected.

In order to achieve the purpose, the utility model provides an integrated industrial lens manufacturing mold, which comprises a fixed mold, a movable mold and a positioning assembly, wherein the fixed mold is positioned above the movable mold, the fixed mold comprises a fixed mold core and a fixed mold insert, the fixed mold insert is fixed in a fixed mold core, the movable mold comprises a movable mold core and a movable mold insert, the movable mold insert is fixed in a movable mold core, the fixed mold insert and the movable mold insert are corresponding in position, a molding cavity is arranged on the movable mold insert, the positioning assembly comprises an inclined guide pillar and a slide block, a slide groove is arranged on the upper surface of the movable mold core, the slide block is slidably arranged in the slide groove, the inclined guide pillar is fixed on the lower surface of the fixed mold core, the inclined guide pillar is obliquely arranged from top to bottom from inside to outside, the slide groove corresponds to the position of the inclined guide pillar, an inclined guide groove matched with the inclined guide pillar is arranged in the slide block, and a horizontal fixing pin is fixed on the side surface of the slide block close to the movable mold insert, and the movable die insert is provided with a fixing hole corresponding to the fixing needle.

Furthermore, the inclined guide post and the vertical surface form an included angle alpha, and the included angle alpha is 20-30 degrees. The inclination angle of the inclined guide post is related to the sliding path of the slide block.

Furthermore, the opposite both sides face protrusion of sliding tray is fixed with the clamp plate, the clamp plate has the interval with the bottom surface of sliding tray and forms the cooperation groove, the opposite both sides face of slider is fixed with the draw runner of protrusion setting, the draw runner cooperatees with the cooperation groove. The arrangement of the protruding sliding strip is used for limiting the sliding direction of the sliding block so as to ensure that the sliding block slides along the direction of the matching groove.

Further, still including the locking subassembly, the locking subassembly is including matching lock plate and lower locking plate of closing, correspond respectively on the side of cover half benevolence and movable mould benevolence and be equipped with locking recess and lower locking recess, go up locking plate and lower locking plate and can dismantle respectively and be fixed in locking recess and lower locking recess, go up the locking plate and be the type of calligraphy, the locking plate is the type of calligraphy down. After movable mould and cover half compound die, will go up the locking plate and install respectively with lower locking plate fixedly, later mould plastics, go up the effectual position to between movable mould and the cover half of locking plate and fix, when preventing to mould plastics, both misplace each other, influence the production quality of lens.

Furthermore, the fixed die core and the movable die core are rectangular, the number of the locking assemblies is four, and the four locking assemblies are respectively positioned on four side surfaces of the fixed die core and the movable die core. The multi-position symmetrical fixation is carried out, and the position dislocation between the fixed die and the movable die is prevented when the die is closed and injection is carried out.

Furthermore, a plurality of positioning lugs are fixed on the opposite side edges of the movable die insert, and positioning grooves corresponding to the positioning lugs are formed in the lower surface of the fixed die insert. The movable mould and the fixed mould of the matched mould are further positioned and fixed by the matching of the positioning convex block and the positioning groove, so that the smooth injection molding is ensured.

Further, an exhaust groove is formed in the side edge, located on the forming cavity, of the fixed die insert. And redundant gas is discharged during die assembly, so that smooth injection molding is ensured.

The technical scheme has the following beneficial effects:

according to the utility model, the positioning assembly is arranged between the fixed die and the movable die, and in the die assembly process of the fixed die and the movable die, the inclined guide post pushes the slide block to slide in the slide groove, so that the matching of the fixing needle and the fixing hole is realized, the fixing of the movable die insert can be realized, the smooth injection molding process is ensured, and the production efficiency of the lens is improved.

Drawings

FIG. 1 is a block diagram of a mold according to an embodiment.

Fig. 2 is an exploded view of the mold according to an embodiment.

FIG. 3 is a block diagram of a stationary mold according to an embodiment.

FIG. 4 is an exploded view of the stationary mold according to the embodiment.

Fig. 5 is an enlarged view of area a.

FIG. 6 is a cross-sectional view of a mold according to an embodiment.

Fig. 7 is an enlarged view of region B.

Fig. 8 is an illustration of the installation of the slider according to an embodiment.

Description of reference numerals:

1. fixing a mold; 11. fixing a mold core; 12. a fixed die insert; 13. a positioning groove; 14. an upper locking groove;

2. moving the mold; 21. a movable mould core; 22. a movable die insert; 221. a molding cavity; 222. an exhaust groove; 23. positioning the bump; 24. a lower locking groove;

3. a positioning assembly; 31. an inclined guide post; 32. a slider; 33. a fixing pin; 34. a sliding groove; 35. an inclined guide groove; 36. pressing a plate; 37. a slide bar;

4. a locking assembly; 41. an upper locking plate; 42. a lower locking plate.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1-8, the embodiment provides an integrated industrial lens manufacturing mold, which includes a fixed mold 1, a movable mold 2, a positioning assembly 3 and a locking assembly 4, the fixed mold 1 is located above the movable mold 2, the fixed mold 1 includes a fixed mold core 11 and a fixed mold insert 12, the fixed mold insert 12 is fixed in the fixed mold core 11, the movable mold 2 includes a movable mold core 21 and a movable mold insert 22, the movable mold insert 22 is fixed in the movable mold core 21, the fixed mold insert 12 corresponds to the movable mold insert 22, the movable mold insert 22 is provided with a molding cavity 221, the fixed mold 1 is provided with a gate, the positioning assembly 3 includes an inclined guide pillar 31 and a slide block 32, the upper surface of the movable mold core 21 is provided with a slide groove 34, the slide block 32 is slidably disposed in the slide groove 34, the inclined guide pillar 31 is fixed on the lower surface of the fixed mold core 11, the inclined guide pillar 31 is inclined from inside to outside, the slide groove 34 corresponds to the inclined guide groove 31, the slide block 32 is provided with an inclined guide groove 35 adapted to the inclined guide pillar 31, a horizontal fixing pin 33 is fixed on the side surface of the sliding block 32 close to the movable die insert 22, and a fixing hole corresponding to the fixing pin 33 is arranged on the movable die insert 22.

The fixed die insert 12 and the movable die insert 22 are oppositely arranged to form an integrated lens groove, and during injection molding, industrial glasses with integrated left and right lenses can be produced. The moving die insert 22 is convex upwards in an arc shape, and the fixed die insert 12 is concave on the curved surface.

The inclined guide post 31 and the vertical surface form an included angle alpha, and the included angle alpha is 20-30 degrees. The angle of inclination of the angle guide column 31 is related to the sliding path of the slide 32. In this embodiment, the top end of the inclined guide post 31 and the fixed mold core 11 are fixed by a bolt fastener.

The angle of the included angle α may be 20 °, 25 °, 30 °, and in the present embodiment, the angle of the included angle α is 20 °.

And pressing plates 36 are fixed on two opposite side surfaces of the sliding groove 34 in a protruding mode, a matching groove is formed by the pressing plates 36 and the bottom surface of the sliding groove 34 at intervals, sliding strips 37 arranged in a protruding mode are fixed on two opposite side surfaces of the sliding block 32, and the sliding strips 37 are matched with the matching groove. The provision of the projecting slide 37 serves to define the sliding direction of the slider 32 to ensure that the slider 32 slides in the direction of the mating slot.

The locking assembly 4 comprises an upper locking plate 41 and a lower locking plate 42 which are matched with each other, the side surfaces of the fixed die core 11 and the movable die core 21 are respectively and correspondingly provided with an upper locking groove 14 and a lower locking groove 24, the upper locking plate 41 and the lower locking plate 42 are respectively and detachably fixed on the upper locking groove 14 and the lower locking groove 24, the upper locking plate 41 is concave, and the lower locking plate 42 is convex.

After the movable mold 2 and the fixed mold 1 are assembled, the upper locking plate 41 and the lower locking plate 42 are respectively installed and fixed and then injection molding is carried out, the positions between the movable mold 2 and the fixed mold 1 are effectively fixed by the upper locking plate 41 and the lower locking plate 42, and the movable mold 2 and the fixed mold 1 are prevented from being mutually dislocated to influence the production quality of lenses during injection molding. In the present embodiment, the upper lock plate 41 and the lower lock plate 42 are fixed by nuts.

In this embodiment, the fixed mold core 11 and the movable mold core 21 are rectangular, the number of the locking assemblies 4 is four, and the four locking assemblies 4 are respectively located on four side surfaces of the fixed mold core 11 and the movable mold core 21.

A plurality of positioning lugs 23 are fixed on the opposite side edges of the movable die insert 22, and the lower surface of the fixed die insert 12 is provided with positioning grooves 13 corresponding to the positioning lugs 23.

The positioning lug 23 is matched with the positioning groove 13 to further position and fix the movable mold 2 and the fixed mold 1 which are assembled, so that the smooth injection molding is ensured.

In this embodiment, the four corners of one of the fixed mold blocks 12 are provided with one positioning projection 23, respectively.

The stationary die insert 12 is provided with an exhaust groove 222 on the side of the molding cavity 221. And redundant gas is discharged during die assembly, so that smooth injection molding is ensured.

When the utility model is used:

the movable die 2 moves upwards under the driving of an external driving cylinder, an inclined guide post 31 on the fixed die 1 enters an inclined guide groove 35, the movable die 2 continues to be matched upwards, a slide block 32 drives a fixed needle 33 to slide towards a fixed hole under the action of the inclined guide post 31, the fixed needle 33 completely enters the fixed hole to fix the movable die insert 22 when the die is completely matched, at the moment, the positioning lug 23 and the positioning groove 13 are mutually matched, and then the locking assemblies 4 are respectively fixed on the four side surfaces of the die for further fixing; then, injection molding is started, the injected resin flows to the molding cavity 221 through the gate, the gas in the molding cavity 221 is exhausted from the exhaust groove 222, and cooling molding is carried out; after cooling forming, the locking assembly 4 is detached, the movable die 2 descends, the slide block 32 slides out to the outer layer under the action of the inclined guide post 31, and the fixing of the movable die insert 22 is released.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.

Claims

1. An integrated industrial lens manufacturing mold is characterized by comprising a fixed mold, a movable mold and a positioning assembly, wherein the fixed mold is positioned above the movable mold, the fixed mold comprises a fixed mold core and a fixed mold insert, the fixed mold insert is fixed in a fixed mold core, the movable mold comprises a movable mold core and a movable mold insert, the movable mold insert is fixed in a movable mold core, the fixed mold insert corresponds to the movable mold insert in position, a molding cavity is arranged on the movable mold insert, the positioning assembly comprises an inclined guide pillar and a slide block, a sliding groove is formed in the upper surface of the movable mold core, the slide block is slidably arranged in the sliding groove, the inclined guide pillar is fixed on the lower surface of the fixed mold core, the inclined guide pillar is obliquely arranged from inside to outside from top to bottom, the sliding groove corresponds to the inclined guide pillar in position, an inclined guide groove matched with the inclined guide pillar is formed in the slide block, and a horizontal fixing pin is fixed on the side surface of the slide block, which is close to the movable mold insert, and the movable die insert is provided with a fixing hole corresponding to the fixing needle.

2. The integrated industrial lens-making mold of claim 1, wherein the oblique guide post has an angle α with a vertical plane, the angle α being 20-30 °.

3. The integrated industrial lens manufacturing mold according to claim 1, wherein pressing plates are protrudingly fixed to opposite side surfaces of the slide groove, the pressing plates are spaced apart from a bottom surface of the slide groove to form a fitting groove, protrudingly provided sliding strips are fixed to opposite side surfaces of the slide block, and the sliding strips are fitted to the fitting groove.

4. The integrated industrial lens manufacturing mold according to claim 1, further comprising a locking assembly, wherein the locking assembly comprises an upper locking plate and a lower locking plate which are matched with each other, the side surfaces of the fixed mold core and the movable mold core are respectively and correspondingly provided with an upper locking groove and a lower locking groove, the upper locking plate and the lower locking plate are respectively and detachably fixed to the upper locking groove and the lower locking groove, the upper locking plate is concave, and the lower locking plate is convex.

5. The integrated industrial lens manufacturing mold according to claim 4, wherein the fixed mold core and the movable mold core are rectangular, the number of the locking assemblies is four, and the four locking assemblies are respectively located on four sides of the fixed mold core and the movable mold core.

6. The integrated industrial lens manufacturing mold according to claim 1, wherein a plurality of positioning protrusions are fixed on opposite side edges of the movable mold insert, and positioning grooves corresponding to the positioning protrusions are formed on the lower surface of the fixed mold insert.

7. The integrated industrial lens making mold of claim 1, wherein the stationary mold half is provided with vent grooves on the side of the molding cavity.