CN217553043U - Spectacle-frame injection mold of integral type lens - Google Patents
Spectacle-frame injection mold of integral type lens Download PDFInfo
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- CN217553043U CN217553043U CN202221494859.9U CN202221494859U CN217553043U CN 217553043 U CN217553043 U CN 217553043U CN 202221494859 U CN202221494859 U CN 202221494859U CN 217553043 U CN217553043 U CN 217553043U
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Abstract
The application discloses an integrated lens spectacle frame injection mold, which relates to the technical field of injection molds and comprises an upper mold and a lower mold, wherein an injection molding cavity is formed between the upper mold and the lower mold; the upper die is provided with a first lens die, the lower die is provided with a second lens die, the first lens die is connected with a first guide rod which is arranged on the upper die in a sliding penetrating mode, the first lens die is provided with a first edge, and the first edge is used for being embedded into an injection molding cavity to form a groove on one side, close to the nose pad, of the glasses frame; the second lens mold is connected with a second guide rod which is slidably arranged in the lower mold in a penetrating mode, the second lens film is provided with a second edge, and the second edge is used for being embedded into the injection molding cavity to form a groove on one side, away from the nose pad, of the glasses frame; the first edge is disconnected from the second edge. This application can be convenient for with the spectacle-frame drawing of patterns, improve work efficiency.
Description
Technical Field
The application relates to the technical field of injection molds, in particular to an injection mold for a spectacle frame with integrated lenses.
Background
For most of the riding windproof glasses, the glasses frame is formed by plastic materials in an injection molding mode. Wherein, have a spectacle-frame structure that mostly adopts the integral type lens to improve the wrapping joint strength of spectacle-frame to the lens and the intensity of spectacle-frame self. Because in the process of moulding plastics, the slot of department's spectacle-frame inner wall that need mould plastics for inlay and establish the installation lens, and this kind of spectacle-frame realizes the full parcel to lens week side, comparatively loaded down with trivial details in the drawing of patterns of moulding plastics in-process, the spectacle-frame after need the manual work to mould plastics is taken off, complex operation.
SUMMERY OF THE UTILITY MODEL
In order to facilitate drawing of patterns to the spectacle-frame, this application provides a spectacle-frame injection mold of integral type lens. The following technical scheme is adopted:
an injection mold for a spectacle frame of an integrated lens comprises an upper mold and a lower mold, wherein an injection molding cavity is formed between the upper mold and the lower mold; the upper die is provided with a first lens die, the lower die is provided with a second lens die, the first lens die is connected with a first guide rod which is arranged on the upper die in a sliding penetrating mode, the first lens die is provided with a first edge, and the first edge is used for being embedded into an injection molding cavity to form a groove on one side, close to the nose pad, of the glasses frame; the second lens mold is connected with a second guide rod which is arranged in the lower mold in a penetrating mode in a sliding mode, the second lens film is provided with a second edge, and the second edge is used for being embedded into the injection molding cavity to form a groove in one side, far away from the nose pad, of the glasses frame; the first edge and the second edge are disconnected;
the first lens mold and the second lens mold form a group in pairs, and two groups are arranged; the first guide rod inclines towards one side far away from the first edge, and when the first guide rod moves away from the lower die, the first edge moves towards the direction far away from the groove to be separated from the groove; the second guide rod inclines towards one side far away from the first edge, when the second guide rod pushes towards the upper die, the second edge moves towards the direction far away from the groove to be separated from the groove, and the second lens die moves towards the middle position of the glasses frame; the lower die is provided with an inclined ejector pin and used for pushing the injection-molded spectacle frame to move towards the upper die and move towards the position far away from the first edge.
Optionally, the positions where the first lens mold and the second lens mold abut against each other are respectively provided with an inclined guide surface which is matched with each other, so that the first lens mold does not interfere with the second lens mold when moving away from the lower mold.
Optionally, the two first lens molds are integrally connected, so that the two first edges are integrally connected.
Optionally, the number of the inclined ejector pins is two, and the two inclined ejector pins are respectively located at positions where the injection molding cavities are used for molding the nose pads of the glasses frame.
Optionally, a guide block protrudes from a side wall of the second lens mold close to the upper mold, and the upper mold is correspondingly provided with a guide groove for the guide block to be clamped in.
Optionally, the lower die is provided with a pulling needle for forming the pin hole of the glasses frame, the pulling needle is horizontally arranged, and the pulling needle is driven by the sliding block to be inserted into or moved out of the injection molding cavity.
Optionally, the peripheral side corner of the lower die is provided with a positioning bump, and the upper die is correspondingly provided with a positioning groove for the positioning bump to be clamped in.
To sum up, the present application includes the following beneficial effects:
1. during demolding, the upper die moves away from the lower die, and the first guide rod moves towards the lower die so as to separate the glasses frame from the upper die; meanwhile, the inclined ejector pin and the second guide rod move towards the upper die, the spectacle frame is separated from the lower die, and the second guide rod pushes the second lens die to move towards the middle of the spectacle frame, so that the second lens die is separated from the groove on one side of the spectacle frame in the process that the second guide rod moves towards the upper die; then the first guide rod moves towards the position far away from the lower die so that the first lens die is separated from the groove on the other side of the spectacle frame, therefore, the demolding of the spectacle frame can be completed, the operation is simple and convenient, and the working efficiency is improved;
2. the two first lens molds are integrally connected, so that the two first lens molds are accurately matched with the second lens molds;
3. the inclined guide surface is arranged so that the first lens die does not interfere with the second lens die when moving away from the lower die.
Drawings
FIG. 1 is an exploded view of the present embodiment;
FIG. 2 is a schematic diagram of a lower mold and a second lens mold in the present embodiment;
FIG. 3 is a schematic view of the upper mold and the first lens mold in this embodiment;
FIG. 4 is a side view of the lower mold, the first lens mold, and the second lens mold in this embodiment;
fig. 5 is a front view of the lower mold and the first lens mold in this embodiment.
Description of reference numerals: 1. an upper die; 2. a lower die; 21. positioning the bump; 3. a first lens mold; 31. a first edge; 4. a second lens mold; 41. a second edge; 42. a guide block; 5. a first guide bar; 6. a second guide bar; 7. an inclined guide surface; 8. an inclined thimble; 9. pulling out the needle; 10. an eyeglass frame.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses spectacle-frame injection mold of integral type lens, including last mould 1 and lower mould 2. An injection molding cavity is formed between the upper die 1 and the lower die 2; the upper die 1 is provided with a first lens die 3, and the lower die 2 is provided with a second lens die 4.
The first lens mold 3 is connected with a first guide rod 5 which penetrates through the upper mold 1 in a sliding mode, the first lens mold 3 is provided with a first edge 31, and the first edge 31 is used for being embedded into an injection molding cavity to form a groove on one side, close to the nose pad, of the glasses frame 10. The second lens mold 4 is connected with a second guide rod 6 which is slidably arranged through the lower mold 2, the second lens mold is provided with a second edge 41, and the second edge 41 is used for being embedded into the injection molding cavity to form a groove on one side of the glasses frame 10 far away from the nose pad.
The first lens mold 3 and the second lens mold 4 are grouped into two groups. Wherein, two first lens moulds 3 are integrally connected, and two first edges 31 form an integral structure. The first edge 31 and the second edge 41 are disconnected end to end; namely, the formed eyeglass frame 10, the groove of which is formed only by inserting the first rim 31 and the second rim 41 into the injection molding cavity, so that the one-piece lens can be conveniently installed on the eyeglass frame 10, and the connection between the lens and the eyeglass frame 10 can be kept stable.
The first guide rod 5 inclines towards the side far away from the first edge 31, and when the first guide rod moves away from the lower die 2, the first edge 31 moves towards the direction far away from the groove to be separated from the groove. The second guide bar 6 is inclined toward the side away from the first edge 31, and when the second guide bar 6 is pushed toward the upper mold 1, the second edge 41 moves away from the groove to disengage from the groove, and the second lens mold 4 moves toward the middle position of the eyeglass frame 10. The lower mold 2 is provided with an inclined ejector pin 8 for pushing the injection-molded eyeglass frame 10 to move towards the upper mold 1 and move away from the first edge 31. The positions where the first lens mold 3 and the second lens mold 4 abut against each other are respectively provided with inclined guide surfaces 7 which are matched with each other, so that the first lens mold 3 does not interfere with the second lens mold 4 when moving away from the lower mold 2.
The two inclined ejector pins 8 are respectively positioned at the positions of the injection molding cavity for forming the nose pads of the spectacle frame 10, so that when the spectacle frame 10 is pushed, the stress of the spectacle frame 10 is kept more uniform, and the spectacle frame 10 is prevented from being damaged.
The spectacle frame after injection molding has certain elastic deformation capacity. During demolding, the upper die 1 moves away from the lower die 2, and the first guide rod 5 moves towards the lower die 2 so as to separate the spectacle frame 10 from the upper die 1; meanwhile, the inclined ejector pin 8 and the second guide rod 6 move towards the upper die 1, the spectacle frame 10 is separated from the lower die 2, and the second guide rod 6 pushes the second lens die 4 to move towards the middle of the spectacle frame 10, so that the second lens die 4 is separated from a side groove of the spectacle frame 10 in the process that the second guide rod 6 moves towards the upper die 1; and then the first guide rod 5 moves towards the direction far away from the lower die 2 so that the first lens die 3 is separated from the groove on the other side of the spectacle frame 10, thus the demoulding of the spectacle frame 10 can be completed, the operation is simple and convenient, and the working efficiency is improved.
Furthermore, a guide block 42 protrudes from the side wall of the second lens module 4 close to the upper die 1, and a guide groove for the guide block 42 to be clamped in is correspondingly formed in the upper die 1. The side corner of the lower die 2 is provided with a positioning lug 21, and the upper die 1 is correspondingly provided with a positioning groove for the positioning lug 21 to be clamped in.
The lower die 2 is provided with two pulling needles 9 for forming pin holes of a spectacle frame 10, the pulling needles 9 are horizontally arranged at intervals, and the pulling needles 9 are driven by the sliding blocks to be inserted into or moved out of the injection molding cavity.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a spectacle-frame injection mold of integral type lens which characterized in that: the injection molding device comprises an upper die and a lower die, wherein an injection molding cavity is formed between the upper die and the lower die; the upper die is provided with a first lens die, the lower die is provided with a second lens die, the first lens die is connected with a first guide rod which is slidably arranged on the upper die in a penetrating mode, the first lens die is provided with a first edge, and the first edge is used for being embedded into an injection molding cavity to form a groove on one side, close to the nose support, of the glasses frame; the second lens mold is connected with a second guide rod which is slidably arranged in the lower mold in a penetrating mode, the second lens film is provided with a second edge, and the second edge is used for being embedded into the injection molding cavity to form a groove on one side, away from the nose pad, of the glasses frame; the first edge and the second edge are disconnected;
the first lens mold and the second lens mold form a group in pairs, and two groups are arranged; the first guide rod inclines towards one side far away from the first edge, and when the first guide rod moves away from the lower die, the first edge moves towards the direction far away from the groove to be separated from the groove; the second guide rod inclines towards one side far away from the first edge, when the second guide rod pushes towards the upper die, the second edge moves towards the direction far away from the groove to be separated from the groove, and the second lens die moves towards the middle position of the glasses frame; the lower die is provided with an inclined ejector pin and used for pushing the injection-molded spectacle frame to move towards the upper die and move towards the position far away from the first edge.
2. The injection mold for the eyeglass frame with one-piece lenses as claimed in claim 1, wherein: the positions where the first lens die and the second lens die are abutted to each other are respectively provided with inclined guide surfaces which are matched with each other, so that the first lens die does not interfere with the second lens die when moving away from the lower die.
3. The injection mold for the eyeglass frame with one-piece lenses as claimed in claim 1, wherein: the two first lens molds are integrally connected, so that the two first edges are integrally connected.
4. The injection mold for the eyeglass frame of the one-piece lens as claimed in claim 1, wherein: the two inclined thimbles are arranged and are respectively positioned at the positions of the injection molding cavity for molding the nose pads of the glasses frame.
5. The injection mold for the eyeglass frame of the one-piece lens as claimed in claim 1, wherein: the side wall of the second lens mould close to the upper mould is provided with a guide block in a protruding mode, and the upper mould is correspondingly provided with a guide groove for the guide block to be clamped in.
6. The injection mold for the eyeglass frame with one-piece lenses as claimed in claim 1, wherein: the lower die is provided with a pulling needle for forming a pin hole of the glasses frame, the pulling needle is horizontally arranged and is driven to be inserted into or moved out of the injection molding cavity through the sliding block.
7. The injection mold for the eyeglass frame of the one-piece lens as claimed in claim 1, wherein: the side corners of the lower die are provided with positioning lugs, and the upper die is correspondingly provided with positioning grooves for the positioning lugs to be clamped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221494859.9U CN217553043U (en) | 2022-06-15 | 2022-06-15 | Spectacle-frame injection mold of integral type lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221494859.9U CN217553043U (en) | 2022-06-15 | 2022-06-15 | Spectacle-frame injection mold of integral type lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217553043U true CN217553043U (en) | 2022-10-11 |
Family
ID=83500540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221494859.9U Active CN217553043U (en) | 2022-06-15 | 2022-06-15 | Spectacle-frame injection mold of integral type lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217553043U (en) |
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2022
- 2022-06-15 CN CN202221494859.9U patent/CN217553043U/en active Active
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