CN220951534U

CN220951534U - Glass continuous forming system

Info

Publication number: CN220951534U
Application number: CN202322705067.2U
Authority: CN
Inventors: 王琪; 张凡; 陈玮
Original assignee: China Building Materials Academy CBMA
Current assignee: China Building Materials Academy CBMA
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-14
Anticipated expiration: 2033-10-09

Abstract

The utility model relates to the technical field of glass forming, in particular to a glass continuous forming system, which comprises: a cooling water circulation pipeline is arranged in the lower die; the upper die is arranged on the lower die; a channel for forming the thickness of the glass is arranged in the upper die; the two side dies are arranged on the lower die and are respectively connected with two ends of the upper die; the lower die, the upper die and the two side dies form a cavity for accommodating molten glass; the cavity receives molten glass liquid, glass is formed preliminarily, and the formed glass enters an upper die channel; the upper surface of the lower die is obliquely arranged to guide molten glass, preliminarily formed glass and formed glass; the tunnel annealing furnace receives the formed glass guided from the lower die and performs annealing operation on the formed glass; according to the utility model, the cooling water circulation pipeline is arranged in the lower die to uniformly cool the glass liquid, so that the glass liquid is effectively prevented from adhering with the upper die, the lower die and the side dies in the cooling process.

Description

Glass continuous forming system

Technical Field

The utility model relates to the technical field of glass forming, in particular to a glass continuous forming system.

Background

The molten glass forming technology is an important production technology in the current glass production, high-temperature glass liquid flows out from a discharging pipe and is injected into a forming die, the glass liquid is cooled in the die, the glass liquid is formed into a solid state after the temperature of the glass liquid is reduced to a certain temperature range, then the glass liquid is gradually cooled under a traction condition, and finally glass blocks with fixed sizes are obtained through cutting.

For some thick glass with high viscosity and short material property, the thick glass is easy to adhere with a forming die in the forming process, so that the forming quality of the glass is affected.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defect that for some thick glass with high viscosity and short material property, the thick glass is easy to adhere with a forming die in the forming process, so that the forming quality of the glass is affected.

In order to overcome the above-described drawbacks, the present utility model provides a glass continuous forming system comprising:

a support assembly;

the lower die is arranged on the supporting component; a cooling water circulation pipeline is arranged in the lower die;

the upper die is arranged on the lower die; a channel which is suitable for forming the thickness of the glass is arranged in the upper die; the two side dies are arranged on the lower die and are respectively connected with two ends of the upper die; the lower die, the upper die and the two side dies form a cavity for accommodating molten glass; the cavity is suitable for receiving molten glass liquid and preliminarily forming glass, and the preliminarily formed glass enters a channel of the upper die; the upper surface of the lower die is obliquely arranged to guide molten glass, preliminarily molded glass and molded glass;

A tunnel lehr is adapted to receive the formed glass being guided from the lower mold and to perform an annealing operation on the formed glass.

Optionally, the cooling water circulation pipeline is in a double-U-shaped layout; the three pipe ends of the cooling water circulation pipeline are respectively corresponding to the three water holes close to the outer side of the lower die, the water holes in the middle are water inlet holes, and the water holes on the two sides are water outlet holes.

Optionally, water-absorbing refractory cotton is arranged on the upper die, and the water-absorbing refractory cotton is suitable for absorbing cooling water supplied by the cooling water pipe.

Optionally, the channel in the upper die is of a wedge-shaped structure; the thickness of the wedge-shaped structure along the direction of the formed glass is gradually reduced until the required glass thickness is reached, and a certain distance is kept.

Optionally, the tunnel annealing furnace includes:

a case body having a conveyor belt provided therein, the conveyor belt being adapted to receive the formed glass guided from the lower mold and to convey the formed glass along a length direction of the case body;

The plurality of groups of heating rods are arranged in the box body, and the plurality of groups of heating rods are arranged along the length direction of the box body;

The controller is in signal connection with a plurality of groups of heating rods; the controller is suitable for controlling the heating temperatures of the plurality of groups of heating rods respectively so as to form different temperature areas in the box body.

Alternatively, thermocouples are respectively arranged in different temperature areas, and the thermocouples are in signal connection with the controller.

Optionally, the tunnel annealing furnace further comprises:

The bracket is provided with a box body; a second telescopic piece is arranged at one side of the bottom of the bracket, which is close to the side for receiving the formed glass, and a fixing piece is arranged at one side of the bottom of the bracket, which is far away from the side for receiving the formed glass; the second telescoping member is adapted to extend above the fixed member to tilt the conveyor in a direction to convey the formed glass.

Optionally, the conveyor belt is a wire braid provided with a plurality of holes; a heating element is arranged at the lower part of the conveyor belt; the heating element is in signal connection with the controller.

Optionally, the support assembly includes:

A support frame adapted to support the lower mold;

the mould table is provided with the supporting frame;

The fixed plate is positioned below the die table and is connected with the die table through a plurality of first telescopic pieces.

Optionally, heat preservation pieces are arranged on two sides of the supporting frame and the tunnel annealing furnace.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. The utility model provides a glass continuous forming system, comprising: a support assembly; the lower die is arranged on the supporting component; a cooling water circulation pipeline is arranged in the lower die; the upper die is arranged on the lower die; a channel which is suitable for forming the thickness of the glass is arranged in the upper die; the two side dies are arranged on the lower die and are respectively connected with two ends of the upper die; the lower die, the upper die and the two side dies form a cavity for accommodating molten glass; the cavity is suitable for receiving molten glass liquid and preliminarily forming glass, and the preliminarily formed glass enters a channel of the upper die; the upper surface of the lower die is obliquely arranged to guide molten glass, preliminarily molded glass and molded glass; a tunnel annealing furnace adapted to receive the formed glass guided from the lower mold and to perform an annealing operation on the formed glass; by adopting the technical scheme, the cooling water circulation pipeline is arranged in the lower die to uniformly cool the glass liquid, so that the glass liquid can be effectively prevented from adhering to the upper die, the lower die and the side dies in the cooling process, and the continuous production process is smoother. The glass continuous forming system has the advantages of reasonable design, simple process, high production efficiency, stable continuous production and the like; continuous production of glass liquid discharging, forming and cooling can be realized, the labor intensity of workers is obviously reduced, the product quality and the yield are improved, and the production cost is reduced.

2. The cooling water circulation pipeline is in double-U-shaped layout; the three pipe ends of the cooling water circulation pipeline respectively correspond to three water holes close to the outer side of the lower die, the water holes in the middle are water inlets, and the water holes on the two sides are water outlets; by adopting the technical scheme, the cooling water is effectively circulated, and the glass liquid is uniformly cooled.

3. The upper die is provided with the water-absorbing fireproof cotton which is suitable for absorbing cooling water supplied by the cooling water pipe; by adopting the technical scheme, the glass liquid is further uniformly cooled by adopting the cooling measure on the upper die, so that the glass liquid can be effectively prevented from adhering to the upper die, the lower die and the side dies in the cooling process.

4. The channel in the upper die is of a wedge-shaped structure; the thickness of the wedge-shaped structure along the direction of guiding the formed glass is gradually reduced until the required glass thickness is reached, and a certain distance is kept; by adopting the technical scheme, the glass thickness is effectively obtained.

5. The tunnel annealing furnace of the utility model comprises: a case body having a conveyor belt provided therein, the conveyor belt being adapted to receive the formed glass guided from the lower mold and to convey the formed glass along a length direction of the case body; the plurality of groups of heating rods are arranged in the box body, and the plurality of groups of heating rods are arranged along the length direction of the box body; the controller is in signal connection with a plurality of groups of heating rods; the controller is suitable for respectively controlling the heating temperatures of the plurality of groups of heating rods so as to form different temperature areas in the box body; by adopting the technical scheme, the temperature partition control is realized, and the independent control and gradual cooling of the temperatures of different sections can be realized; particularly, uniform and stable annealing of thick plate glass is realized, and microcracks in the glass are effectively prevented; good annealing operation and also effectively avoids glass explosion in the later processing process.

6. Thermocouples are respectively arranged in different temperature areas and are in signal connection with a controller; by adopting the technical scheme, the temperature of different temperature areas can be conveniently observed, so that the temperature of the different temperature areas can be better controlled.

7. The tunnel annealing furnace of the utility model further comprises: the bracket is provided with a box body; a second telescopic piece is arranged at one side of the bottom of the bracket, which is close to the side for receiving the formed glass, and a fixing piece is arranged at one side of the bottom of the bracket, which is far away from the side for receiving the formed glass; the second telescopic piece is suitable for being stretched and is higher than the fixing piece, so that the conveying belt is inclined towards the direction of conveying the formed glass; by adopting the technical scheme, the formed glass can be conveyed more quickly and conveniently.

8. The conveyor belt is a metal wire braid belt provided with a plurality of holes; a heating element is arranged at the lower part of the conveyor belt; the heating element is in signal connection with the controller; by adopting the technical scheme, the annealing operation is effectively carried out on the formed glass.

9. The support assembly of the present utility model includes: a support frame adapted to support the lower mold; the mould table is provided with the supporting frame; the fixing plate is positioned below the die table and connected with the die table through a plurality of first telescopic pieces; by adopting the technical scheme, the utility model not only is suitable for tilting the upper surface of the lower die by the expansion and contraction of the plurality of first expansion and contraction pieces, but also is convenient for guiding and conveying; the lower die is at the same height level in the direction perpendicular to the flowing direction of the glass liquid, so that the glass forming is ensured to obtain stable quality; meanwhile, the upper surface of the lower die is in the same plane with the inlet of the tunnel annealing furnace in the direction parallel to the flowing direction of the molten glass, so that the formed glass can be conveniently conveyed.

10. The two sides of the support frame and the tunnel annealing furnace are provided with heat preservation pieces; by adopting the technical scheme, the utility model realizes good heat preservation of the side surface position.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a continuous glass forming system according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a molding die assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a support assembly according to an embodiment of the present utility model;

Fig. 4 is a schematic perspective view of a tunnel annealing furnace according to an embodiment of the present utility model;

fig. 5 is a schematic perspective sectional structure of an upper mold provided in an embodiment of the present utility model;

Fig. 6 is a schematic perspective view of a cooling water circulation pipe according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A forming die assembly; 2. a support assembly; 3. a tunnel annealing furnace; 4. a lower die; 5. a side mold; 6. an upper die; 7. a baffle; 8. a water through hole; 9. water-absorbing fire-resistant cotton; 10. a die table; 11. a fixing plate; 12. a base; 13. a first telescopic member; 14. a support frame; 15. a thermal insulation member; 16. a water pipe; 17. a regulating valve; 18. a case; 19. a conveyor belt; 20. a bracket; 21. a heating rod; 22. a thermocouple; 23. a heating member; 24. a control box; 25. a second telescopic member; 26. a moving wheel; 27. a discharge pipe; 28. a cooling water pipe; 29. and a fixing piece.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

One embodiment of a continuous glass forming system as shown in fig. 1-6, comprises: the upper die 6, the lower die 4 and the support assembly 2 are sequentially arranged from top to bottom, two side dies 5 arranged on the lower die 4, and the tunnel annealing furnace 3. The upper die 6, the lower die 4 and the two side dies 5 together constitute the molding die assembly 1.

As shown in fig. 1, 2, 5 and 6, a cooling water circulation pipe is provided in the lower die 4; specifically, the cooling water circulation pipeline is in a double-U-shaped layout; the three pipe ends of the cooling water circulation pipeline are respectively corresponding to three water through holes 8 close to the outer side of the lower die 4, the water through holes 8 in the middle are water inlet holes, and the water through holes 8 at the two sides are water outlet holes. A channel which is suitable for forming the thickness of glass is arranged in the upper die 6; specifically, the channel in the upper die 6 is of a wedge-shaped structure; the thickness of the wedge-shaped structure along the direction of the formed glass is gradually reduced until the required glass thickness is reached, and a certain distance is kept. Further, a water-absorbing refractory cotton 9 is disposed on the upper mold 6, the water-absorbing refractory cotton 9 is adapted to absorb cooling water supplied from the cooling water pipe 28, and the size of the water-absorbing refractory cotton 9 may be equal to the size of the upper surface of the upper mold 6. Specifically, a manual or automatic water dropping device can be arranged above the water-absorbing refractory cotton 9, and then cooling water is supplied through the cooling water pipe 28. The two side dies 5 are respectively connected with the two ends of the upper die 6; specifically, the two side molds 5 are respectively connected with both ends of the upper mold 6 by fasteners. A baffle 7 is welded on the left side wall of the upper die 6. The lower die 4, the upper die 6 and the two side dies 5 form a cavity for containing molten glass; the cavity is suitable for receiving molten glass liquid and preliminarily forming glass, and the preliminarily formed glass enters a channel of the upper die 6; the upper surface of the lower mold 4 is inclined to guide molten glass, preliminary molded glass and molded glass. In particular, molten glass can be introduced into the cavity via a tapping pipe 27. After the glass liquid flows into the cavity, as the lower die 4 has a certain inclination angle, the glass liquid flows along the inclination angle, the cooling water pipe 28 of the upper die 6 and the cooling water circulating pipeline inside the lower die 4 jointly realize cooling of the glass liquid, and meanwhile, the glass liquid is prevented from being adhered to the forming die assembly 1, and in the cooling process, the lower die 4, the side dies 5 and the upper die 6 jointly complete preliminary shaping of the shape of glass. The tunnel annealing furnace 3 is adapted to receive the shaped glass guided from the lower mold 4 and to perform an annealing operation on the shaped glass.

As shown in fig. 1 and 4, the tunnel annealing furnace 3 includes: the box 18, multiunit heating stick 21, controller and support 20. Inside the box 18, a conveyor 19 is provided, the conveyor 19 being adapted to receive the shaped glass guided from the lower mold 4 and to convey the shaped glass along the length of the box 18. Specifically, the conveyor belt 19 is a wire braid provided with a plurality of holes; a heating element 23 is arranged at the lower part of the conveyor belt 19; the heating element 23 is in signal connection with the controller, specifically, the heating element 23 may be disposed near the end of the conveyor belt 19 to heat the conveyor belt 19 after one revolution, and the heating element 23 may be in a plate shape and take a chain form. The plurality of groups of heating rods 21 are arranged in the box 18, and the plurality of groups of heating rods 21 are uniformly distributed along the length direction of the box 18. The controller is in signal connection with a plurality of groups of heating rods 21; the controller is adapted to control the heating temperatures of the plurality of groups of heating rods 21 respectively to form different temperature zones in the box 18, so that gradual cooling can be realized. Thermocouples 22 are respectively arranged in different temperature areas, the thermocouples 22 are in signal connection with a controller, and specifically, the thermocouples 22 penetrate through openings arranged at the upper part of the box 18. A case 18 is provided on the bracket 20; a second telescopic piece 25 is arranged at one side of the bottom of the bracket 20 close to the glass receiving and forming, and a fixing piece 29 is arranged at one side of the bottom of the bracket 20 far from the glass receiving and forming; the second telescopic member 25 is adapted to be extended, and is raised above the fixing member 29, so that the case 18 is in an inclined state, and thus the conveyor belt 19 is inclined in a direction of conveying the formed glass. Further, moving wheels 26 are respectively arranged at the bottom ends of the second telescopic member 25 and the fixed member 29, so as to facilitate moving the tunnel annealing furnace 3. The controller may be mounted within a control box 24, the control box 24 being mounted on the support 20. The upper surface of the lower die 4 is in the same plane with the conveyor belt 19; assuming that the conveyor 19 is inclined at a first angle to the horizontal, the upper surface of the lower mold 4 is inclined at a second angle to the horizontal, the first angle being the same as the second angle to smoothly guide the molded glass.

As shown in fig. 1 and 3, the support assembly 2 includes: the support frame 14, the mould platform 10, the fixed plate 11 and the base 12 are arranged in sequence from top to bottom. The support frame 14 is adapted to support the lower die 4; providing the support frame 14 on the mold table 10; the fixing plate 11 is positioned below the die table 10, and the fixing plate 11 is connected with the die table 10 through a plurality of first telescopic pieces 13; by the expansion and contraction of the plurality of first expansion and contraction members 13, it is appropriate to incline the upper surface of the lower die 4. Specifically, the plurality of first telescopic members 13 may be three supporting columns with independently adjustable heights, and the lower mold 4 is at the same height level in the direction perpendicular to the flowing direction of the molten glass through height adjustment; and the upper surface of the lower die 4 is realized in the same plane as the conveyor belt 19 in a direction parallel to the flow of the molten glass; and the front-rear direction of the lower die 4 is made to be inclined at a certain angle. A regulating valve 17 is arranged on the side wall of the base 12, and the regulating valve 17 is connected with a cooling water circulation pipeline through a water pipe 16; the water pipe 16 passes through the fixing plate 11 and the die table 10 in sequence. The flow rate of the cooling water can be regulated by the regulating valve 17, thereby controlling the viscosity of the molten glass.

As shown in fig. 3 and 4, heat insulation members 15 are arranged on both sides of the supporting frame 14 and the tunnel annealing furnace 3 for side heat insulation; specifically, the heat preservation piece 15 can be fixed through the angle steel, the heat preservation piece 15 is heated board or heat preservation cotton.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A continuous glass forming system, comprising:

a support assembly (2);

The lower die (4) is arranged on the supporting component (2); a cooling water circulation pipeline is arranged in the lower die (4);

an upper die (6) arranged on the lower die (4); a channel which is suitable for forming the thickness of glass is arranged in the upper die (6);

The two side dies (5) are arranged on the lower die (4), and the two side dies (5) are respectively connected with two ends of the upper die (6); the lower die (4), the upper die (6) and the two side dies (5) form a cavity for containing glass liquid; the cavity is suitable for receiving molten glass liquid and preliminarily forming glass, and the preliminarily formed glass enters a channel of the upper die (6); the upper surface of the lower die (4) is obliquely arranged to guide molten glass, preliminarily formed glass and formed glass;

a tunnel lehr (3) adapted to receive the formed glass being guided from the lower mould (4) and to carry out an annealing operation on the formed glass.

2. The continuous glass forming system of claim 1, wherein the cooling water circulation conduit is a double U-shaped layout; the three pipe ends of the cooling water circulation pipeline are respectively corresponding to three water through holes (8) close to the outer side of the lower die (4), the water through holes (8) in the middle are water inlet holes, and the water through holes (8) on the two sides are water outlet holes.

3. Continuous glass forming system according to claim 1, characterized in that on the upper mould (6) is provided water-absorbing refractory wool (9), which water-absorbing refractory wool (9) is adapted to absorb cooling water supplied by a cooling water pipe (28).

4. A glass continuous forming system according to claim 1, characterized in that the channels in the upper mould (6) are wedge-shaped structures; the thickness of the wedge-shaped structure along the direction of the formed glass is gradually reduced until the required glass thickness is reached, and a certain distance is kept.

5. The continuous glass forming system according to any one of claims 1 to 4, characterized in that the tunnel annealing furnace (3) comprises:

A case (18) having a conveyor (19) provided therein, the conveyor (19) being adapted to receive the molded glass conveyed from the lower mold (4) and convey the molded glass along a longitudinal direction of the case (18);

The plurality of groups of heating rods (21) are arranged in the box body (18), and the plurality of groups of heating rods (21) are arranged along the length direction of the box body (18);

the controller is in signal connection with a plurality of groups of heating rods (21); the controller is adapted to control the heating temperatures of the sets of heating rods (21) respectively to form different temperature zones within the housing (18).

6. The continuous glass forming system as claimed in claim 5, wherein thermocouples (22) are provided at different temperature zones, respectively, the thermocouples (22) being in signal connection with a controller.

7. The continuous forming system for glass according to claim 5, characterized in that the tunnel annealing furnace (3) further comprises:

A bracket (20), wherein a box body (18) is arranged on the bracket (20); a second telescopic piece (25) is arranged at one side of the bottom of the bracket (20) close to the side for receiving the formed glass, and a fixing piece (29) is arranged at one side of the bottom of the bracket (20) far away from the side for receiving the formed glass; the second telescopic member (25) is adapted to be elongated, raised above the fixing member (29), so that the conveyor belt (19) is inclined in the direction of conveying the shaped glass.

8. Continuous glass forming system according to claim 5, characterized in that the conveyor belt (19) is a wire braid provided with a plurality of holes; a heating element (23) is arranged at the lower part of the conveyor belt (19); the heating element (23) is in signal connection with a controller.

9. The glass continuous forming system according to any one of claims 1 to 4, wherein the support assembly (2) comprises:

a support frame (14) adapted to support the lower die (4);

a die table (10), wherein the support frame (14) is arranged on the die table (10);

The fixing plate (11) is positioned below the die table (10), and the fixing plate (11) is connected with the die table (10) through a plurality of first telescopic pieces (13).

10. Continuous glass forming system according to claim 9, characterized in that insulation elements (15) are provided on both sides of the support frame (14) and tunnel annealing furnace (3).