CN217916589U

CN217916589U - Spectacle lens injection mold

Info

Publication number: CN217916589U
Application number: CN202221225822.6U
Authority: CN
Inventors: 董恩国
Original assignee: Linhai Zhongchuan Glasses Co ltd
Current assignee: Linhai Zhongchuan Glasses Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-29
Anticipated expiration: 2032-05-19

Abstract

The utility model provides a spectacle lens injection mold, including the mould stable base, the lower mould is concrete, the mould top cap, first three attach fitting and second three attach fitting, the mold core installation cavity has been seted up at the middle part on the concrete top of lower mould, the lower mold core is installed to the inside screw thread of mold core installation cavity, lower mold core and last mold core be assembled between/be connected between, three semicircular groove has been seted up to the bottom of lower mold core, rubber hose way is all installed to the inside of three semicircular groove, first three attach fitting's one end fixedly connected with feed liquor pipeline, second three attach fitting's one end fixedly connected with goes out the liquid pipeline, the fixed surface that goes out the liquid pipeline installs flow control valve. The utility model discloses can make the flow that goes out the liquid pipeline diminish, lead to the fluid to produce expansion pressure at rubber hose way gathering, and then mold core and mold core installation cavity separation under the drive, realize the drawing of patterns operation, traditional ejector pin drawing of patterns compares has convenient and fast, and the atress is even and the hardness of having avoided the ejector pin leads to the lens impaired.

Description

Spectacle lens injection mold

Technical Field

The utility model belongs to the technical field of the lens production, a spectacle lens injection mold is related to.

Background

The spectacle lenses, that is, the lenses, are made of a transparent material with one or more curved surfaces made of optical materials such as glass or resin, and are often assembled with a spectacle frame to form spectacles after polishing, so that the spectacles are used for correcting the eyesight of a user and obtaining a clear visual field.

In the process of lens production, need use injection mold, the injection moulding department of being convenient for, current lens injection mold mostly utilizes the injection molding machine to pour into the inside of mould with the raw materials into, utilizes the ejector pin everywhere after the cooling shaping, and the ejector pin mostly adopts metal material, leads to the lens impaired very easily during the drawing of patterns, has reduced the yield, just also greatly reduced the production efficiency of the own of mould, based on this, we provide an eyeglass injection mold.

Disclosure of Invention

An object of the utility model is to provide an eyeglass piece injection mold to solve the problem that proposes in the above-mentioned background art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an eyeglass injection mold, includes mould stabilizing base, the lower mould body, mould top cap, first three attach fitting and second three attach fitting, the bottom fixed mounting of mould stabilizing base has threaded base plate, the top and the lower mould body threaded assembly of mould stabilizing base are connected, the specific top and the mould top cap be assembled between/be connected between of lower mould, the middle part fixed mounting of mould top cap bottom has the mold core connecting seat, the mold core is installed to the bottom screw thread of mold core connecting seat, the mold core installation cavity has been seted up at the middle part on the specific top of lower mould, the internally mounted of mold core installation cavity has lower mold core, lower mold core and last mold core be assembled between/be connected between, three semicircle recess, three are all installed to the inside of semicircle recess rubber hose way, and are three the one end of rubber hose way all with first three attach fitting's three joint fixed connection, first three attach fitting's one end fixedly connected with feed liquor pipeline, and three the other end of rubber hose way all with second three connect fitting's three joint fixed connection of liquid pipeline, the fixed surface mounting has the governing valve.

In a foretell spectacle lens injection mold, the both sides of mould top cap bottom all fixed mounting have the positioning guide arm, the both sides at the concrete top of lower mould all inlay to establish and install spacing guide pin bushing, two spacing guide pin bushing is connected with two positioning guide arm direction cooperations respectively. The purpose that sets up like this is the specific stable assembly of mould top cap and lower mould of being convenient for, also can guarantee the specific detached stationarity of mould top cap and lower mould simultaneously.

In an above-mentioned spectacle lens injection mold, square groove has been seted up at the middle part of mould stabilizing base bottom, the middle part of feed liquor pipeline and the middle part of play liquid pipeline all set up the inside department in square groove. The purpose that sets up like this is the overall arrangement and the design that make things convenient for liquid inlet pipe way and liquid outlet pipe way, reduces occupation volume space, guarantees mould compact structure.

In the above spectacle lens injection mold, the middle part of the top end of the mold top cover is fixedly provided with a threaded guide sleeve, and the internal thread of the threaded guide sleeve is connected with a one-way injection nozzle. The purpose of setting up like this is conveniently changing one-way injection mouth, effectively improves the holistic life of mould.

In the above-mentioned spectacle lens injection mold, the middle part of the mold core connecting seat is provided with the injection runner, and the injection runner is communicated with the valve needle of the one-way injection nozzle. The purpose of setting up like this makes things convenient for the better injection of raw materials to lower mould core and last mould core department.

In the above spectacle lens injection mold, square handles are fixedly mounted on two sides of the top end of the top cover of the mold, and non-woven fabric sleeves are fixedly mounted on the surfaces of the two square handles. The purpose of setting like this is the better mould top cap of taking off of being convenient for, and is laborsaving to save worry.

Compared with the prior art, the utility model relates to an eyeglass lens injection mold's advantage does: through the liquid inlet pipeline, the liquid outlet pipeline, the rubber hose pipeline, the first three-end connecting joint, the flow regulating valve, the semicircular groove and the second three-end connecting joint, the rubber hose pipeline corresponds to the semicircular groove, when the spectacle lens is injected, raw materials are injected into a mold cavity formed by assembling an upper mold core and a lower mold core through a one-way injection nozzle, at the moment, fluid is introduced into the liquid inlet pipeline, heat dissipation is carried out around the mold core mounting cavity, cooling forming can be accelerated, after the cooling forming, the top cover of the mold is opened, the flow of the liquid outlet pipeline is reduced by regulating the flow regulating valve, the fluid is caused to gather in the rubber hose pipeline to generate expansion pressure, certain deformation is caused, the mold core and the mold core mounting cavity are separated under the driving, demolding operation is realized, compared with the traditional ejector rod demolding, the convenience and rapidness are realized, the stress is uniform, and the lens is prevented from being damaged due to the hardness of the ejector rod; the upper die core is connected to the top cover of the die through the die core connecting seat, and the middle part of the liquid inlet pipeline and the middle part of the liquid outlet pipeline are arranged in the inner part of the square groove, so that the occupied volume space is reduced, and the compact structure of the die is ensured.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of an eyeglass lens injection mold of the present invention.

Fig. 2 is a schematic plan sectional structure view of the spectacle lens injection mold of fig. 1 of the present invention.

Fig. 3 is an internal structure schematic diagram of the lower mold body of the spectacle lens injection mold of the present invention.

In the figure, 1, a mold stabilizing base; 2. a lower die is specific; 3. a mold top cover; 4. a threaded base plate; 5. a liquid inlet pipeline; 6. a liquid outlet pipeline; 7. a square groove; 8. a square handle; 9. a threaded guide sleeve; 10. a one-way injection nozzle; 11. positioning the guide rod; 12. a limiting guide sleeve; 13. a mold core mounting cavity; 14. injecting into a flow channel; 15. a mold core connecting seat; 16. an upper mold core; 17. a lower mold core; 18. a flexible rubber conduit; 19. a first three-way connection joint; 20. a flow regulating valve; 21. a semicircular groove; 22. the second three-head connecting joint.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As fig. 1, fig. 2 and fig. 3 show, the utility model relates to an eyeglass lens injection mold, base 1 is stabilized including the mould, lower mould body 2, mould top cap 3, first three attach fitting 19 and second three attach fitting 22, the bottom fixed mounting of mould stabilization base 1 has threaded base plate 4, mould stabilization base 1's top and lower mould body 2 screw assembly connection, the top and the 3 assembly connection of mould top cap of lower mould body 2, the middle part fixed mounting of mould top cap 3 bottom has mold core connecting seat 15, mold core 16 is installed to the bottom screw thread of mold core connecting seat 15, mold core installation cavity 13 has been seted up at the middle part on lower mould body 2 top, the internally mounted of mold core installation cavity 13 has lower mold core 17, lower mold core 17 and last mold core 16 assembly connection, three semicircle recess 21 has been seted up to the bottom of lower mold core 17, rubber hose 18 is all installed to the inside of three semicircle recess 21, the one end of three rubber hose 18 all with the three attach fitting fixed connection of first three attach fitting 19, the one end fixed connection of first three hose 18 has liquid inlet pipe 5, the other end fixed connection of three hose 18 and the one end fixed connection of second three governing valve 22, the three fixed connection of the third hose 22 is connected with the three liquid outlet pipe 22, the three pipeline fixed connection of the three pipe connection of the flow of the three pipe connection 22, the three liquid outlet pipe connection of the three pipe connection of the liquid outlet pipe connection of the three liquid outlet pipe connection of the liquid outlet pipe.

During actual design, positioning guide rods 11 can be fixedly arranged on two sides of the bottom end of the top cover 3 of the die, limiting guide sleeves 12 are embedded and arranged on two sides of the top end of the lower die body 2, and the two limiting guide sleeves 12 are respectively connected with the two positioning guide rods 11 in a guiding and matching mode.

During actual design, square groove 7 can be seted up at the middle part of 1 bottom of mould stabilizing base, and the middle part of inlet channel 5 and the middle part of liquid outlet channel 6 all set up the inside department at square groove 7.

During actual design, a threaded guide sleeve 9 needs to be fixedly installed in the middle of the top end of the die top cover 3, and a one-way injection nozzle 10 is connected to the inner threads of the threaded guide sleeve 9.

In actual design, an injection flow passage 14 needs to be formed in the middle of the mold core connecting seat 15, and the injection flow passage 14 is communicated with the valve needle of the one-way injection nozzle 10.

During actual design, square handles 8 can be fixedly arranged on two sides of the top end of the top cover 3 of the die, and non-woven fabric sleeves are fixedly arranged on the surfaces of the two square handles 8.

When in actual use, when beginning lens to mould plastics, the raw materials are chewed 10 through one-way injection and are poured into the die cavity that mould core 16 and lower mould core 17 assembled and formed, inlet channel 5 lets in the fluid this moment, dispel the heat around the mould core installation cavity 13, can accelerate cooling forming, after cooling forming, open mould top cap 3, through adjusting flow control valve 20, make the flow of going out liquid pipeline 6 diminish, lead to the fluid to produce expanding pressure at the inside gathering of rubber hose way 18, take place certain deformation, and then mould core 17 and mould core installation cavity 13 separation under the drive, realize the drawing of patterns operation, compare traditional ejector pin drawing of patterns, and convenient and fast has, the hardness that the atress is even and avoided the ejector pin leads to the lens impaired, effectively improve product quality.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An eyeglass injection mold comprises a mold stabilizing base (1), a lower mold body (2), a mold top cover (3), a first three-head connecting joint (19) and a second three-head connecting joint (22), and is characterized in that a threaded base plate (4) is fixedly installed at the bottom end of the mold stabilizing base (1), the top end of the mold stabilizing base (1) is in threaded assembly connection with the lower mold body (2), the top end of the lower mold body (2) is in assembly connection with the mold top cover (3), a mold core connecting seat (15) is fixedly installed in the middle of the bottom end of the mold top cover (3), an upper mold core (16) is installed at the bottom end of the mold core connecting seat (15) in a threaded manner, mold core installation cavity (13) have been seted up at the middle part on the concrete (2) top of lower mould, mold core installation cavity (13) internally mounted has lower mold core (17), lower mold core (17) and last mold core (16) be assembled between/be connected between, three semicircular groove (21) have been seted up to the bottom of lower mold core (17), and is three rubber hose way (18), three are all installed to the inside of semicircular groove (21) rubber hose way (18) the one end of rubber hose way (18) all with the three joint fixed connection of first three coupling joint (19), the one end fixedly connected with inlet channel (5) of first three coupling joint (19), it is three the other end of rubber hose way (18) all with the three coupling joint (22) of second three coupling joint (22) The three connectors are fixedly connected, one end of the second three-head connecting connector (22) is fixedly connected with a liquid outlet pipeline (6), and a flow regulating valve (20) is fixedly mounted on the surface of the liquid outlet pipeline (6).

2. The spectacle lens injection mold according to claim 1, wherein two sides of the bottom end of the mold top cover (3) are fixedly provided with positioning guide rods (11), two sides of the top end of the lower mold body (2) are respectively provided with a limiting guide sleeve (12) in an embedded manner, and the two limiting guide sleeves (12) are respectively connected with the two positioning guide rods (11) in a guiding and matching manner.

3. The spectacle lens injection mold according to claim 1, wherein a square groove (7) is formed in the middle of the bottom end of the mold stabilizing base (1), and the middle of the liquid inlet pipeline (5) and the middle of the liquid outlet pipeline (6) are both arranged inside the square groove (7).

4. The injection mold for the spectacle lens according to claim 1, wherein a threaded guide sleeve (9) is fixedly installed in the middle of the top end of the mold top cover (3), and a one-way injection nozzle (10) is connected to the inner thread of the threaded guide sleeve (9).

5. The injection mold for spectacle lens according to claim 4, wherein the mold core connecting seat (15) is provided with an injection flow channel (14) at the middle part, and the injection flow channel (14) is communicated with the valve needle of the one-way injection nozzle (10).

6. An injection mold for spectacle lens according to claim 1, wherein the top of the mold top cover (3) is fixedly provided with square handles (8) at both sides, and the surfaces of the two square handles (8) are fixedly provided with non-woven fabric sleeves.