CN213166625U - High-sealing core structure of lens mold - Google Patents
High-sealing core structure of lens mold Download PDFInfo
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- CN213166625U CN213166625U CN202022024207.6U CN202022024207U CN213166625U CN 213166625 U CN213166625 U CN 213166625U CN 202022024207 U CN202022024207 U CN 202022024207U CN 213166625 U CN213166625 U CN 213166625U
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- mold core
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Abstract
The utility model relates to a high-sealing core body structure of a lens mold, which comprises a lens mold core arranged on a middle template and a mold core cover arranged outside the lens mold core, wherein the bottom of an upper template is provided with a placing groove, the mold core cover is positioned in the placing groove, the middle part of the upper template is provided with a filling port, the mold core cover is provided with a feeding port corresponding to the filling port, and the feeding port is communicated with a lens molding cavity; the bottom of the mold core cover is provided with a forming groove corresponding to the lens mold core, and the groove wall of the forming groove and the top surface of the lens mold core enclose a lens forming cavity; the end of the forming groove is provided with a first sealing groove, the top of the lens mold core is provided with a first sealing boss matched with the first sealing groove, the two sides of the first sealing groove are provided with second sealing bosses, and the top of the lens mold core is provided with a second sealing groove matched with the second sealing boss. The lens mould core has the advantages that the sealing performance between the mould core cover and the lens mould core is guaranteed, the material leakage in the lens forming cavity is effectively prevented, and the problem that leftover materials are left around the lens is avoided.
Description
Technical Field
The utility model belongs to the technical field of mechanical die and specifically relates to a high sealed core structure of lens mould.
Background
Helmet lens installs the front at the helmet, play the effect of sight protection, helmet lens mainly passes through mould injection moulding, present helmet lens mould mainly includes the cope match-plate pattern, lower bolster and installation cope match-plate pattern, the lens core structure between the lower bolster, present helmet lens mould is at the in-process of processing, there is the problem that lens core leakproofness is not good, in this way, there is the problem of lou material easily, the lens that leads to processing to obtain easily has the corner clout around, and, generally directly pass through the fix with screw on the template during installation of present lens core, need measure and fix a position fixed position, it is consuming time to install, the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high sealed core structure of lens mould in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a high-sealing core structure of a lens mold comprises a lens mold core arranged on a middle template and a mold core cover arranged on the outer side of the lens mold core, wherein a lens forming cavity is defined between the mold core cover and the lens mold core, a placing groove is formed in the bottom of an upper template, the mold core cover is positioned in the placing groove, a filling port is formed in the middle of the upper template, a feeding port corresponding to the filling port is formed in the mold core cover, and the feeding port is communicated with the lens forming cavity;
the bottom of the mold core cover is provided with a forming groove corresponding to the lens mold core, and the groove wall of the forming groove and the top surface of the lens mold core enclose the lens forming cavity;
the end of the forming groove is provided with a first sealing groove, the top of the lens mold core is provided with a first sealing boss matched with the first sealing groove, the two sides of the first sealing groove are provided with second sealing bosses, and the top of the lens mold core is provided with a second sealing groove matched with the second sealing boss.
Further, the top of the lens mold core is provided with an exhaust port communicated with the lens molding cavity.
Furthermore, the bottom of the lens mold core is provided with a positioning groove, and the middle template is provided with a positioning block corresponding to the positioning groove.
Furthermore, the first sealing boss and the lens mold core are integrally formed, and the second sealing boss and the mold core cover are integrally formed.
Further, the top surface of lens mold core is the arc.
Further, the positioning block and the middle template are integrally formed.
The utility model has the advantages that: the bottom of the mold core cover of the structure is provided with a forming groove corresponding to the lens mold core, and the groove wall of the forming groove and the top surface of the lens mold core enclose a lens forming cavity; the tip in shaping groove has first seal groove, the top of lens mold core is equipped with the first sealed boss that coincide with first seal groove, the both sides of first seal groove are equipped with the sealed boss of second, the top of lens mold core is equipped with the second seal groove that coincide with the sealed boss of second, through the cooperation of first seal groove and first sealed boss, the leakproofness between mold core lid and the lens mold core has been guaranteed in the cooperation of the sealed boss of second seal groove and second, effectively prevent the material seepage in the lens shaping intracavity, the problem of taking the leftover bits around the lens can not appear, and, the bottom of lens mold core has the constant head tank, be equipped with the locating piece that corresponds with the constant head tank on the middle template, the locating piece location through the bottom during lens mold core installation can, the precision of lens mold core installation is high and convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the lens mold core of the present invention.
Detailed Description
As shown in fig. 1 and 2, a high-sealing core structure of a lens mold comprises a lens mold core 2 arranged on a middle mold plate 1, and a mold core cover 3 arranged outside the lens mold core 2, wherein a lens molding cavity is defined between the mold core cover 3 and the lens mold core 2, a placement groove is arranged at the bottom of an upper mold plate 14, the mold core cover 3 is positioned in the placement groove, a filling port 4 is arranged in the middle of the upper mold plate 14, a feeding port 5 corresponding to the filling port 4 is arranged on the mold core cover 3, and the feeding port 5 is communicated with the lens molding cavity;
the bottom of the mold core cover 3 is provided with a forming groove 6 corresponding to the lens mold core 2, and the groove wall of the forming groove 6 and the top surface 7 of the lens mold core 2 enclose a lens forming cavity;
the end of the forming groove 6 is provided with a first sealing groove 8, the top of the lens mold core 2 is provided with a first sealing boss 9 inosculated with the first sealing groove 8, the two sides of the first sealing groove 8 are provided with second sealing bosses 10, and the top of the lens mold core 2 is provided with a second sealing groove 11 inosculated with the second sealing bosses 10.
Further, the top of the lens mold core 2 is provided with an exhaust port 12 communicated with the lens molding cavity. The bottom of the lens mold core 2 is provided with a positioning groove 13, and the middle mold plate 1 is provided with a positioning block 15 corresponding to the positioning groove 13.
The first sealing boss 9 and the lens mold core 2 are integrally formed, and the second sealing boss 10 and the mold core cover 3 are integrally formed. The top surface 7 of the lens mold core 2 is arc-shaped, and the positioning block 15 and the middle mold plate 1 are integrally formed.
The bottom of the mold core cover 3 of the structure is provided with a forming groove 6 corresponding to the lens mold core 2, and the groove wall of the forming groove 6 and the top surface 7 of the lens mold core 2 enclose a lens forming cavity; the end part of the forming groove 6 is provided with a first sealing groove 8, the top of the lens mold core 2 is provided with a first sealing boss 9 inosculated with the first sealing groove 8, the two sides of the first sealing groove 8 are provided with second sealing bosses 10, the top of the lens mold core 2 is provided with a second sealing groove 11 inosculated with the second sealing bosses 10, the matching of the first sealing groove 8 and the first sealing boss 9 and the matching of the second sealing groove 11 and the second sealing boss 10 ensure the sealing performance between the mold core cover 3 and the lens mold core 2, effectively prevent the leakage of materials in the lens molding cavity, avoid the problem of leftover materials around the lens 16, moreover, the bottom of the lens mold core 2 is provided with a positioning groove 13, the middle mold plate 1 is provided with a positioning block 15 corresponding to the positioning groove 13, the lens mold core 2 is positioned by the positioning block 15 at the bottom when being installed, and the lens mold core 2 is high in installation precision and convenient to install.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A high-sealing core body structure of a lens mold comprises a lens mold core arranged on a middle template and a mold core cover arranged on the outer side of the lens mold core, wherein a lens molding cavity is enclosed between the mold core cover and the lens mold core;
the bottom of the mold core cover is provided with a forming groove corresponding to the lens mold core, and the groove wall of the forming groove and the top surface of the lens mold core enclose the lens forming cavity;
the end of the forming groove is provided with a first sealing groove, the top of the lens mold core is provided with a first sealing boss matched with the first sealing groove, the two sides of the first sealing groove are provided with second sealing bosses, and the top of the lens mold core is provided with a second sealing groove matched with the second sealing boss.
2. The high-sealing core structure of a lens mold according to claim 1, wherein the top of the lens mold core is provided with an air vent communicating with the lens forming cavity.
3. The lens mold of claim 2, wherein the lens mold core has positioning grooves at the bottom thereof, and the middle mold plate has positioning blocks corresponding to the positioning grooves.
4. The high seal core structure of the lens mold of claim 3, wherein the first seal boss is integrally formed with the lens mold core and the second seal boss is integrally formed with the mold core cover.
5. The highly sealed core structure of an ophthalmic lens mold of claim 1, wherein the top surface of the ophthalmic lens mold core is curved.
6. The highly sealed core structure of lens mold of claim 3, wherein the positioning block is integrally formed with the intermediate mold plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022024207.6U CN213166625U (en) | 2020-09-15 | 2020-09-15 | High-sealing core structure of lens mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022024207.6U CN213166625U (en) | 2020-09-15 | 2020-09-15 | High-sealing core structure of lens mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213166625U true CN213166625U (en) | 2021-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022024207.6U Active CN213166625U (en) | 2020-09-15 | 2020-09-15 | High-sealing core structure of lens mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213166625U (en) |
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2020
- 2020-09-15 CN CN202022024207.6U patent/CN213166625U/en active Active
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