CN215480529U

CN215480529U - Heavy lanthanum flint optical glass forming device

Info

Publication number: CN215480529U
Application number: CN202121445786.XU
Authority: CN
Inventors: 孔祥杭; 秦长生; 潘涛; 吴缙伟; 侯瑞
Original assignee: CDGM Glass Co Ltd
Current assignee: CDGM Glass Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-11
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a heavy lanthanum flint optical glass forming device, which comprises a U-shaped bottom die and plugs arranged at the end parts of the bottom die, wherein side dies are arranged on two sides of one end, close to a head, in the bottom die, the top of one end, close to the plugs, of each side die is provided with an upper die, and the upper die is provided with a feeding hole; according to the utility model, the upper die is arranged, the feed inlet is formed in the upper die, high-temperature glass water enters the die through the feed inlet, flows through the channel formed by the plug, the bottom die and the side die, and is gradually cooled and formed in the channel by drawing and drawing the formed glass. The upper die is arranged in the forming area and used for blocking air, reducing the air flow entering the forming area, and reducing the air circulation efficiency to a certain extent, so that impurities in the air are effectively prevented from being mixed into high-temperature glass water, the formation of crystallization is avoided, the product quality is ensured, the trouble of removing the crystallization in the later period is avoided, the labor intensity and the production cost are effectively reduced, and the production efficiency is improved.

Description

Heavy lanthanum flint optical glass forming device

Technical Field

The utility model relates to the technical field of optical glass thermal forming, in particular to a heavy lanthanum flint optical glass forming device.

Background

Optical glass refers to glass that can change the direction of light propagation and can change the relative spectral distribution of ultraviolet, visible, or infrared light. The optical glass is formed by pouring high-temperature glass water into a prefabricated mold, and cooling and forming the glass in the mold according to the shape of the mold. The traditional mould is of a concave open structure, the dense heavy lanthanum flint optical glass is high in density, and the components contain a large amount of rare earth raw materials such as lanthanum oxide, so that when high-temperature glass water is poured into the initial forming stage of the mould, impurities in the air are attached to the high-temperature glass water, crystallization is easy to occur, the upper surface of the heavy lanthanum flint optical glass is often subjected to crystallization and aggregation during forming, product quality defects are formed, the crystallization part must be removed through processing to be used, a large amount of labor is wasted, the utilization rate of materials is low, the production cost is increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heavy lanthanum flint optical glass forming device, which aims at the technical problem that a traditional die is very easy to cause crystallization, aggregation and agglomeration on the surface of the heavy lanthanum flint optical glass during the forming of the heavy lanthanum flint optical glass.

The technical scheme adopted by the utility model is as follows: heavy lanthanum flint optical glass forming device, the end cap of the die block tip including the die block of U-shaped and arranging, the both sides near end one end are provided with the side form in the die block, and the top that the side form is close to end cap one end is provided with the mould, is provided with the feed inlet on going up the mould. According to the utility model, the upper die is arranged, the feed inlet is formed in the upper die, high-temperature glass water enters the die through the feed inlet, flows through the channel formed by the plug, the bottom die and the side die, and is gradually cooled and formed in the channel by drawing and drawing the formed glass. The region where the high-temperature glass water just enters the channel is a forming region, the high-temperature glass water is converted into solid glass from liquid glass water in the forming region, and impurities in the air are mixed into the glass water in the forming process to easily form crystallization; even if impurities in the air adhere to the formed glass, the formed glass can be wiped clean and cannot be crystallized. Therefore, the upper die is arranged in the forming area and used for blocking air and reducing the air flow entering the forming area, and the circulation efficiency of air is reduced to a certain extent, so that impurities in the air are effectively prevented from being mixed into high-temperature glass water, the formation of crystallization is avoided, the product quality is ensured, the trouble of removing the crystallization in the later period is avoided, the labor intensity and the production cost are effectively reduced, and the production efficiency is improved.

Furthermore, the upper die is of a hollow structure, and a first cooling medium inlet and a first cooling medium outlet which are communicated with the inner cavity of the upper die are formed in the upper die. The cooling medium is introduced into the upper die through the first cooling medium inlet, and then circulates out through the first cooling medium outlet to exchange heat with the upper die, so that the effect of rapidly cooling the high-temperature glass water can be achieved, the forming time of glass is shortened, the contact time of the high-temperature glass water and air is shortened, the formation of crystallization is avoided, and the product quality is ensured.

Further, the bottom die is of a hollow structure, and a second cooling medium inlet and a second cooling medium outlet which are communicated with an inner cavity of the bottom die are formed in the bottom die. The cooling medium is introduced into the bottom die through the second cooling medium inlet, and then circulates out through the second cooling medium outlet to exchange heat with the bottom die, so that the effect of quickly cooling the high-temperature glass water can be achieved, the glass forming time is shortened, the contact time of the high-temperature glass water and air is shortened, the crystallization is avoided, and the product quality is ensured.

Further, the plug is of a hollow structure, and a third cooling medium inlet and a third cooling medium outlet which are communicated with the inner cavity of the plug are formed in the plug. The cooling medium is introduced into the inner part of the plug through the third cooling medium inlet and then circulates out through the third cooling medium outlet to exchange heat with the plug, so that the effect of rapidly cooling the high-temperature glass water can be achieved, the glass forming time is shortened, the contact time of the high-temperature glass water and air is shortened, the crystallization is avoided, and the product quality is ensured.

Furthermore, the bottom die is made of corrosion-resistant high-temperature materials, so that the severe working conditions in the production of the heavy lanthanum flint optical glass can be met, and the service life of the bottom die is prolonged.

Further, the bottom die is made of aluminum bronze alloy. The aluminum bronze alloy has higher strength, hardness and wear resistance, has the characteristics of high-temperature oxidation resistance, wear resistance, corrosion resistance and the like, and is very suitable for manufacturing a forming die of heavy lanthanum flint optical glass.

Furthermore, the upper die is made of corrosion-resistant high-temperature materials, so that the severe working conditions in the production of the heavy lanthanum flint optical glass can be met, and the service life of the bottom die is prolonged.

Further, the upper die is made of an aluminum bronze alloy. The aluminum bronze alloy has higher strength, hardness and wear resistance, has the characteristics of high-temperature oxidation resistance, wear resistance, corrosion resistance and the like, and is very suitable for manufacturing a forming die of heavy lanthanum flint optical glass.

Furthermore, the plug is made of corrosion-resistant high-temperature materials, so that the severe working condition in the production of the heavy lanthanum flint optical glass can be met, and the service life of the bottom die is prolonged.

Further, the plug is made of aluminum bronze alloy. The aluminum bronze alloy has higher strength, hardness and wear resistance, has the characteristics of high-temperature oxidation resistance, wear resistance, corrosion resistance and the like, and is very suitable for manufacturing a forming die of heavy lanthanum flint optical glass.

The utility model has the beneficial effects that:

1. the upper die is arranged in the forming area and used for blocking air, reducing the air flow entering the forming area, and reducing the air circulation efficiency to a certain extent, so that impurities in the air are effectively prevented from being mixed into high-temperature glass water, the formation of crystallization is avoided, the product quality is ensured, the trouble of removing the crystallization in the later period is avoided, the labor intensity and the production cost are effectively reduced, and the production efficiency is improved.

2. The upper die, the bottom die and the plug are hollow structures, cooling media can be introduced to circulate, and heat exchange is carried out between the upper die, the bottom die and the plug and the corresponding structures, so that the effect of quickly cooling high-temperature glass water can be achieved, the glass forming time is shortened, the contact time between the high-temperature glass water and air is shortened, the formation of crystallization is avoided, and the product quality is ensured.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the upper die.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Labeled as:

1. bottom die; 2. a plug; 3. side mould; 4. an upper die;

401. a feed inlet; 402. a first cooling medium inlet; 403. a first cooling medium outlet.

Detailed Description

In the description of the present invention, it should be noted that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model is further described below with reference to the accompanying drawings.

Example one

Referring to fig. 1, the heavy lanthanum flint optical glass forming device comprises a U-shaped bottom die 1 and plugs 2 arranged at the end parts of the bottom die, wherein side dies 3 are arranged on two sides of one end, close to a proximal end, in the bottom die, an upper die 4 is arranged on the top of one end, close to the plugs, of the side dies, and a feeding hole 401 is formed in the upper die 4. According to the utility model, the upper die is arranged, the feed inlet is formed in the upper die, high-temperature glass water enters the die through the feed inlet, flows through the channel formed by the plug, the bottom die and the side die, and is gradually cooled and formed in the channel by drawing and drawing the formed glass. The region where the high-temperature glass water just enters the channel is a forming region, the high-temperature glass water is converted into solid glass from liquid glass water in the forming region, and impurities in the air are mixed into the glass water in the forming process to easily form crystallization; even if impurities in the air adhere to the formed glass, the formed glass can be wiped clean and cannot be crystallized. Therefore, the upper die is arranged in the forming area and used for blocking air and reducing the air flow entering the forming area, and the circulation efficiency of air is reduced to a certain extent, so that impurities in the air are effectively prevented from being mixed into high-temperature glass water, the formation of crystallization is avoided, the product quality is ensured, the trouble of removing the crystallization in the later period is avoided, the labor intensity and the production cost are effectively reduced, and the production efficiency is improved.

The bottom die 1, the upper die 4 and the plug 2 are made of aluminum bronze alloy, so that the severe working condition in the production of heavy lanthanum flint optical glass can be met, and the service life of the bottom die is prolonged. The aluminum bronze alloy has higher strength, hardness and wear resistance, has the characteristics of high-temperature oxidation resistance, wear resistance, corrosion resistance and the like, and is very suitable for manufacturing a forming die of heavy lanthanum flint optical glass.

Example two

Referring to fig. 2 and 3, in the first embodiment, the upper mold 4 of the present embodiment has a hollow structure, and the upper mold 4 is provided with a first cooling medium inlet 402 and a first cooling medium outlet 403 which communicate with an inner cavity of the upper mold. The cooling medium is introduced into the upper die through the first cooling medium inlet, and then circulates out through the first cooling medium outlet to exchange heat with the upper die, so that the effect of rapidly cooling the high-temperature glass water can be achieved, the forming time of glass is shortened, the contact time of the high-temperature glass water and air is shortened, the formation of crystallization is avoided, and the product quality is ensured.

The bottom mold of this embodiment is a hollow structure, and a second cooling medium inlet (not shown) and a second cooling medium outlet (not shown) which are communicated with the inner cavity of the bottom mold are arranged on the bottom mold. The cooling medium is introduced into the bottom die through the second cooling medium inlet, and then circulates out through the second cooling medium outlet to exchange heat with the bottom die, so that the effect of quickly cooling the high-temperature glass water can be achieved, the glass forming time is shortened, the contact time of the high-temperature glass water and air is shortened, the crystallization is avoided, and the product quality is ensured.

The plug of this embodiment is of a hollow structure, and a third cooling medium inlet (not shown in the figure) and a third cooling medium outlet (not shown in the figure) which are communicated with the inner cavity of the plug are formed in the plug. The cooling medium is introduced into the inner part of the plug through the third cooling medium inlet and then circulates out through the third cooling medium outlet to exchange heat with the plug, so that the effect of rapidly cooling the high-temperature glass water can be achieved, the glass forming time is shortened, the contact time of the high-temperature glass water and air is shortened, the crystallization is avoided, and the product quality is ensured.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Heavy lanthanum flint optical glass forming device, its characterized in that, die block (1) including the U-shaped and end cap (2) of die block tip of arranging, the both sides near end head one end are provided with side form (3) in the die block, and the top that the side form is close to end cap one end is provided with mould (4), is provided with feed inlet (401) on going up mould (4).

2. The heavy lanthanum flint optical glass forming apparatus of claim 1, wherein the upper mold (4) is a hollow structure, and the upper mold is provided with a first cooling medium inlet (402) and a first cooling medium outlet (403) which are communicated with an inner cavity of the upper mold.

3. The apparatus for forming dense lanthanum flint optical glass according to claim 1, wherein the bottom mold (1) has a hollow structure, and the bottom mold is provided with a second cooling medium inlet and a second cooling medium outlet which are communicated with an inner cavity of the bottom mold.

4. The heavy lanthanum flint optical glass forming device as claimed in claim 1, wherein the plug (2) is a hollow structure, and a third cooling medium inlet and a third cooling medium outlet which are communicated with the inner cavity of the plug are arranged on the plug.

5. The apparatus of claim 1, wherein the bottom mold is made of a corrosion resistant high temperature material.

6. The apparatus of claim 5, wherein the base mold is made of an aluminum bronze alloy.

7. The heavy lanthanum flint optical glass forming apparatus of claim 1, wherein the upper mold is made of a corrosion-resistant high temperature material.

8. The heavy lanthanum flint optical glass forming device of claim 7, wherein the upper mold is made of an aluminum bronze alloy.

9. The heavy lanthanum flint optical glass forming apparatus of claim 1, wherein the plug is made of a corrosion resistant high temperature material.

10. The heavy lanthanum flint optical glass forming device of claim 9, wherein the plug is made of an aluminum bronze alloy.