CN216377896U

CN216377896U - High-temperature homogenizing device for optical glass

Info

Publication number: CN216377896U
Application number: CN202122732633.XU
Authority: CN
Inventors: 骆得胜
Original assignee: Wuhan Licheng Optical Instrument Co ltd
Current assignee: Wuhan Licheng Optical Instrument Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-26
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses an optical glass high-temperature homogenizing device in the technical field of optical glass manufacturing, which comprises a top plate, a bottom plate, a lead screw pair, a plurality of stand columns and two ceramic bearings, wherein the top plate and the bottom plate are arranged up and down correspondingly, the stand columns are uniformly fixed between the peripheries of opposite surfaces of the top plate and the bottom plate at intervals, the lead screw pair is vertically arranged on the left side between the top plate and the bottom plate in a penetrating and rotating manner, a stirring breather pipe drives a stirring paddle to rotate and ventilate by matching a common motor with a second gear pair, and the lead screw pair is matched with a flat plate to move the stirring breather pipe up and down, so that the function of bubbling while stirring is realized; simultaneously after stirring and tympanic bulla are finished, can realize top gas protection function in the glass homogenization stage after stirring breather pipe shifts out and continues to ventilate to set up heat abstractor and make ceramic bearing radiating effect improve, prolong its life, improve stirring breather pipe main shaft rotation accuracy under the high temperature condition, the device erects convenience, easy operation, has market popularization prospect.

Description

High-temperature homogenizing device for optical glass

Technical Field

The utility model relates to the technical field of optical glass manufacturing, in particular to a high-temperature homogenizing device for optical glass.

Background

Clarification and homogenization are core steps of preparing optical glass by a melt quenching method, wherein a glass stirring and bubbling process is an important process in the clarification and homogenization process, and has profound significance for improving the quality of the optical glass. Stirring can make the glass liquid generate the circulating flow of shearing, convection and expansion, improve the heat transfer and mass transfer rate, accelerate the migration of each component of the glass liquid, and further achieve high-quality uniformity. Bubbling is to blow gas with certain pressure into the molten glass to form bubbles in the molten glass, so that a series of physical and chemical changes occur in the molten glass to improve the quality of the glass; meanwhile, bubbling can play a role in mechanical stirring of bulk materials and stirring materials, glass liquid convection is forced, and homogenization of the glass liquid is accelerated, so that a novel optical glass high-temperature homogenizing device which is convenient to erect and simple to operate is urgently needed for improving the product quality, and stirring, bubbling and ventilation functions of the high-temperature glass liquid can be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature homogenizing device for optical glass, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an optical glass high-temperature homogenizing device comprises a top plate, a bottom plate, a screw pair, a plurality of stand columns and two ceramic bearings, wherein the top plate and the bottom plate are arranged in an up-and-down corresponding mode, the stand columns are uniformly fixed between the peripheries of opposite surfaces of the top plate and the bottom plate at intervals, the screw pair is vertically penetrated and rotatably installed on the left side between the top plate and the bottom plate, an optical axis is vertically fixed on the right side between the top plate and the bottom plate, a supporting base is fixed at the bottom of the bottom plate, a flat plate which is horizontally fixed on the outer wall of a movable nut of the screw pair and is in sliding sleeve joint with the optical axis is horizontally fixed on the outer wall of the movable nut of the screw pair, a forward and reverse motor is installed on the top of the top plate in an inverted mode, a motor shaft of the forward and reverse motor is connected with the top end of the screw pair through a first gear pair, the two ceramic bearings are respectively and coaxially installed on the flat plate and the bottom plate, a stirring breather pipe penetrates through the two ceramic bearings, the upper side of the stirring breather pipe is fixed with the inner ring of the ceramic bearing, and the outer ring of the ceramic bearing is fixed with the flat plate, the utility model discloses a ceramic bearing, including the ceramic bearing, the bottom plate, the stirring breather pipe downside activity is pegged graft at ceramic bearing inner race and its outer lane and is fixed with the bottom plate, the outer wall lower part of stirring breather pipe can be dismantled and be fixed with the stirring rake, rotatory gas connection is installed at the top of stirring breather pipe, the breather hose is installed at the top of rotatory gas connection, dull and stereotyped upper surface is still invertd and is installed ordinary motor, the below of ordinary motor is rotated and is connected with the transmission shaft, be connected through the second gear pair between transmission shaft and the stirring breather pipe, the bottom and the lower part of transmission shaft install heat abstractor between the ceramic bearing outer wall.

Preferably, heat abstractor includes copper volute, turbine and middle part sealed round pipe way, the copper volute cup joints on the transmission shaft through the leak protection bearing, the turbine is fixed on being located the transmission shaft of copper volute, round pipe way both sides are passed through expansion hose and are imported and exported with copper volute and be connected, the flabellum is installed to the bottom of transmission shaft.

Preferably, the top of roof is provided with the type of falling L spout, the inner chamber slidable mounting of the type of falling L spout has the movable plate, the top right side of movable plate is rotated and is installed the rocking handle, be fixed with drive gear on the rocking handle, the left side bottom of the type of falling L spout is fixed with spacing nut, the top left side of movable plate is rotated through ladder through-hole and elastic component and is installed butterfly bolt.

Preferably, a mesh enclosure is fixed at the bottom of the copper volute through a screw, and the fan blades are located on the inner side of the mesh enclosure.

Preferably, the inlet and outlet of the copper volute are connected with the telescopic hose through a Y-shaped pipe with a plug.

Preferably, the outer wall of the telescopic hose is wound with a spring winding drum, and the spring winding drum is fixed on the upright post through a support.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the common motor is matched with the second gear pair to enable the stirring breather pipe to drive the stirring paddle to rotate and ventilate, and meanwhile, the screw pair is matched with the flat plate to enable the stirring breather pipe to move up and down, so that the function of bubbling while stirring is realized; simultaneously after stirring and tympanic bulla are finished, can realize top gas protection function in the glass homogenization stage after stirring breather pipe shifts out and continues to ventilate to set up heat abstractor and make ceramic bearing radiating effect improve, prolong its life, improve stirring breather pipe main shaft rotation accuracy under the high temperature condition, the device erects convenience, easy operation, has market popularization prospect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the heat dissipation device shown in FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-top plate, 2-bottom plate, 3-screw pair, 4-upright post, 5-supporting base, 6-optical axis, 7-flat plate, 8-positive and negative rotation motor, 9-first gear pair, 10-stirring ventilation pipe, 11-rotary air joint, 12-ventilation hose, 13-common motor, 14-transmission shaft, 15-second gear pair, 16-ceramic bearing, 17-heat dissipation device, 18-stirring paddle, 19-inverted L-shaped chute, 20-moving plate, 21-rocking handle, 22-transmission gear, 23-butterfly bolt, 24-limit nut, 170-copper volute, 171-turbine, 172-circular pipe, 173-telescopic hose and 174-fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 3, the present invention provides a technical solution: an optical glass high-temperature homogenizing device comprises a top plate 1, a bottom plate 2, a screw pair 3, a plurality of stand columns 4 and two ceramic bearings 16, wherein the top plate 1 and the bottom plate 2 are correspondingly arranged up and down, the stand columns 4 are uniformly fixed between the peripheries of opposite surfaces of the top plate 1 and the bottom plate 2 at intervals, the screw pair 3 is vertically arranged on the left side between the top plate 1 and the bottom plate 2 in a penetrating and rotating mode, an optical axis 6 is vertically fixed on the right side between the top plate 1 and the bottom plate 2, a supporting base 5 is fixed at the bottom of the bottom plate 2, a flat plate 7 which is horizontally fixed on the outer wall of a movable nut of the screw pair 3 and is in sliding sleeve joint with the optical axis 6 is fixed on the outer wall of the movable nut, a forward and reverse rotating motor 8 is inversely arranged at the top of the top plate 1, a motor shaft of the forward and reverse rotating motor 8 is connected with the top end of the screw pair 3 through a first gear pair 9, the forward and reverse rotating motor 8 is connected with a forward and reverse switch and reverse rotating motor 8 for driving the forward and reverse rotating for a certain time, and reverse time, and belongs to a common control technology, meanwhile, the top of the top plate 1 is provided with an inverted L-shaped chute 19, a movable plate 20 is slidably mounted in an inner cavity of the inverted L-shaped chute 19, a rocking handle 21 is rotatably mounted on the right side of the top of the movable plate 20, a transmission gear 22 is fixed on the rocking handle 21, a limit nut 24 is fixed on the bottom of the left side of the inverted L-shaped chute 19, a butterfly bolt 23 is rotatably mounted on the left side of the top of the movable plate 20 through a stepped through hole and an elastic part, the movable plate 20 is pushed to the left side and is connected with the limit nut 24 through the butterfly bolt 23, the transmission gear 22 is meshed with a first gear pair 9 and can manually control the forward and reverse rotation of a screw pair 3, two ceramic bearings 16 are respectively and coaxially mounted on a flat plate 7 and a bottom plate 2, a stirring breather pipe 10 penetrates between the two ceramic bearings 16, the upper side of the stirring breather pipe 10 is fixed with the inner ring of the ceramic bearing 16 and the outer ring thereof is fixed with the flat plate 7, the lower side of the stirring breather pipe 10 is movably inserted in the inner ring of the ceramic bearing 16 and the outer ring is fixed with the bottom plate 2, the lower part of the outer wall of the stirring and ventilating pipe 10 is provided with a fixed hole through a relative position, a platinum-rhodium wire is inserted into the fixed hole to fix a stirring paddle 18, the stirring and ventilating pipe 10 and the stirring paddle 18 are made of high-temperature resistant materials such as quartz, platinum rhodium, corundum and the like, the top of the stirring and ventilating pipe 10 is provided with a rotary air joint 11, the top of the rotary air joint 11 is provided with a ventilating hose 12, the upper surface of the flat plate 7 is also provided with a common motor 13 in an inverted manner, the lower part of the common motor 13 is rotatably connected with a transmission shaft 14, the transmission shaft 14 is connected with the stirring and ventilating pipe 10 through a second gear pair 15, a heat dissipation device 17 is arranged between the bottom of the transmission shaft 14 and the outer wall of a lower ceramic bearing 16, the common motor 13 drives the stirring and ventilating pipe 10 to rotate through the second gear pair 15 when the flat plate 7 moves up and down, the upper ceramic bearing 16 is used for rotary connection, the lower ceramic bearing 16 is used for accurate limit socket joint, after the stirring breather pipe 10 is inserted into the molten glass, heat is conducted, the heat dissipation device 17 dissipates heat to the ceramic bearing 16 below, and gas is blown into the molten glass through the breather hose 12, the rotary gas joint 11 and the stirring breather pipe 10.

Referring to fig. 2, the heat dissipation device 17 includes a copper volute 170, a turbine 171 and a circular pipe 172 with a sealed middle portion, the copper volute 170 is sleeved on the transmission shaft 14 through a leakage-proof bearing, cooling liquid is injected into the copper volute 170, the turbine 171 is fixed on the transmission shaft 14 in the copper volute 170, two sides of the circular pipe 172 are connected with an inlet and an outlet of the copper volute 170 through a flexible hose 173, a fan blade 174 is installed at the bottom end of the transmission shaft 14, when the transmission shaft 14 is driven by the common motor 13 to work, a circulation channel is formed among the copper volute 170, the turbine 171, the circular pipe 172 and the flexible hose 173, heat of the ceramic bearing 16 is absorbed by the cooling liquid, the fan blade 174 dissipates heat of the copper volute 170, a mesh is fixed at the bottom of the copper volute 170 through a screw, and the fan blade 174 is located on the inner side of the mesh, so as to prevent personal injury caused by accidental touch; the inlet and outlet of the copper volute 170 are connected with the flexible hose 173 through a Y-shaped pipe with a plug, the plug is opened and is externally connected with the circular pipe 172 and the flexible hose 173, and heat can be dissipated to the ceramic bearing 16 on the upper side; the outer wall of the flexible hose 173 is wound with a spring reel which is fixed on the upright post 4 through a bracket, so that the flexible hose 173 is prevented from being wound and knotted when the flat plate 7 moves up and down;

the working principle is as follows: the positive and negative rotation motor 8 is matched with the first gear pair 9 to drive the screw pair 3 to rotate positively and negatively so as to enable the flat plate 7 to move up and down, further the stirring paddle 18 can be inserted into or away from glass liquid, the rotating speed of the common motor 13 is regulated and controlled according to the temperature in the furnace and the glass viscosity detected by an external sensor, when the tail end of the stirring breather pipe 10 is inserted into the glass liquid, the common motor 13 is matched with the second gear pair 15 to drive the stirring breather pipe 10 to rotate, and further the stirring paddle 18 is driven to rotate to realize the glass stirring function; the gas is introduced into the stirring breather pipe 10 by utilizing the breather hose 12 and the rotary gas joint 11, the introduced gas escapes from the tail end of the stirring breather pipe 10 and enters into the molten glass, glass bubbling or bubbling operation while rotating can be carried out, the ceramic bearing 16 is protected by the heat dissipation device 17, the failure of the ceramic bearing due to high temperature is prevented, the verticality of the stirring breather pipe 10 is ensured, the stirring quality of a product is improved, the stirring and heat dissipation are completed by utilizing a motor, and the stirring breather pipe is energy-saving and environment-friendly;

after stirring and bubbling are finished, the screw pair 3 is reversed by matching the forward and reverse rotation motor 8 with the first gear pair 9, the tail end of the stirring breather pipe 10 is lifted to the position above the molten glass, at the moment, the introduced gas escapes to the position above the molten glass from the tail end of the stirring breather pipe 10 and is filled in the furnace, and the ventilation protection function in the optical glass preparation process is realized.

It is worth noting that: the positive and negative rotation motor and the ordinary motor that adopt in this scheme are the product of selling on the market, utilize the time switch to connect the electricity, belong to current mature technique, no longer give unnecessary details its electric connection relation, product model and specific circuit structure here.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an optical glass high temperature homogenization device, includes roof (1), bottom plate (2), lead screw pair (3), a plurality of stand (4) and two ceramic bearing (16), its characterized in that: the top plate (1) and the bottom plate (2) are correspondingly arranged up and down, the stand columns (4) are uniformly fixed between the periphery of the opposite surfaces of the top plate (1) and the bottom plate (2) at intervals, the screw rod pair (3) vertically penetrates through and rotates to be installed on the left side between the top plate (1) and the bottom plate (2), the optical axis (6) is vertically fixed on the right side between the top plate (1) and the bottom plate (2), the supporting base (5) is fixed at the bottom of the bottom plate (2), the outer wall of the moving nut of the screw rod pair (3) is horizontally fixed with a flat plate (7) in sliding sleeve connection with the optical axis (6), the top of the top plate (1) is inversely provided with a forward and reverse rotating motor (8), the motor shaft of the forward and reverse rotating motor (8) is connected with the top end of the screw rod pair (3) through a first gear pair (9), and the ceramic bearings (16) are respectively and coaxially installed on the flat plate (7) and the bottom plate (2), two it is provided with stirring breather pipe (10) to run through between ceramic bearing (16), stirring breather pipe (10) upside and ceramic bearing (16) inner circle are fixed and its outer lane is fixed with dull and stereotyped (7), stirring breather pipe (10) downside activity is pegged graft and is fixed at ceramic bearing (16) inner circle and its outer lane and bottom plate (2), the outer wall lower part of stirring breather pipe (10) can be dismantled and be fixed with stirring rake (18), rotatory gas connection (11) are installed at the top of stirring breather pipe (10), ventilation hose (12) are installed at the top of rotatory gas connection (11), ordinary motor (13) are still installed in the inversion of the upper surface of dull and stereotyped (7), the below rotation of ordinary motor (13) is connected with transmission shaft (14), be connected through second gear pair (15) between transmission shaft (14) and stirring breather pipe (10), and a heat dissipation device (17) is arranged between the bottom of the transmission shaft (14) and the outer wall of the ceramic bearing (16) at the lower part.

2. The high temperature homogenizing device for optical glass according to claim 1, characterized in that: heat abstractor (17) are including copper volute (170), turbine (171) and middle part sealed round pipe (172), copper volute (170) cup joint on transmission shaft (14) through the leak protection bearing, turbine (171) are fixed on being located transmission shaft (14) in copper volute (170), round pipe (172) both sides are passed through expansion hose (173) and are imported and exported with copper volute (170) and be connected, flabellum (174) are installed to the bottom of transmission shaft (14).

3. The high temperature homogenizing device for optical glass according to claim 1, characterized in that: the top of roof (1) is provided with type of falling L spout (19), the inner chamber slidable mounting of type of falling L spout (19) has movable plate (20), rocking handle (21) are installed in the rotation of the top right side of movable plate (20), be fixed with drive gear (22) on rocking handle (21), the left side bottom of type of falling L spout (19) is fixed with stop nut (24), butterfly bolt (23) are installed through ladder through-hole and elastic component rotation in the top left side of movable plate (20).

4. The high temperature homogenizing device for optical glass according to claim 2, characterized in that: the bottom of the copper volute (170) is fixed with a mesh cover through screws, and the fan blades (174) are located on the inner side of the mesh cover.

5. The high temperature homogenizing device for optical glass according to claim 4, characterized in that: the inlet and outlet of the copper volute (170) are connected with a flexible hose (173) through a Y-shaped pipe with a plug.

6. The high temperature homogenizing device for optical glass according to claim 2, characterized in that: the outer wall of the telescopic hose (173) is wound with a spring winding drum, and the spring winding drum is fixed on the upright post (4) through a support.