CN211111696U

CN211111696U - Hot bending device for glass corrugated plate

Info

Publication number: CN211111696U
Application number: CN201921943293.1U
Authority: CN
Inventors: 张凡; 陈玮; 张延芳; 穆元春
Original assignee: China Building Materials Academy CBMA
Current assignee: China Building Materials Academy CBMA
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-28
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a curved device of glass buckled plate heat, including the bed die, the bed die includes first collet, be equipped with a plurality of first semicolumn sticks in the first collet, be equipped with a plurality of location guide pillars around the first collet. The utility model discloses a curved device main part of glass buckled plate heat adopts hollow structure to set up, has reduced mould itself to thermal absorption, and the thermal cycle is effectual, is favorable to the thermally equivalent of mould, has both prolonged the life-span of mould and does benefit to glass's accurate shaping again, adopts the cooperation of last lower mould to realize the shaping to the curved glass of heat simultaneously, and the shaping precision is high, can be used for processing the curved glass buckled plate of accurate heat.

Description

Hot bending device for glass corrugated plate

Technical Field

The utility model relates to a curved device of glass buckled plate heat belongs to glass deep-processing field.

Background

The hot bending glass is curved glass which is made by heating, bending and softening high-quality glass, forming in a mould and annealing in order to meet the high-quality requirements of modern buildings. The style is beautiful, and the lines are smooth. The glass breaks through the singleness of the plate glass, and is more flexible and diverse in use.

The hot bending glass can be classified into three categories, namely single bending, bending and composite bending, according to the shape. For single-bend architectural glass, the glass is relatively easy to heat bend. The common aquarium glass and counter glass exist in bent hot-bent glass, and the biggest technical difficulty of bent glass is that the straight line edge is bent, and the bent angle is easy to have the defects of mold marks and the like. Therefore, curved glass is also common, such as spherical glass, curved arch profile, glass washbasin, etc., and the glass requires a high technical level in hot bending operation, and the manufacturing of precise molds can be completed only by a professional hot bending furnace.

The glass corrugated plate is hot-bent glass with multiple bent surfaces, the distances of all the bent surfaces are short, the bending radius is small, and no professional hot-bending mold exists at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the main object of the present invention is to provide a glass corrugated plate hot bending device.

In one aspect, the utility model provides a curved device of glass buckled plate heat, including the bed die, the bed die includes first collet, be equipped with a plurality of first semicolumn sticks in the first collet, be equipped with a plurality of location guide pillars around the first collet.

Preferably, the device further comprises an upper die connected with the lower die, the upper die comprises a second bottom support, a plurality of second semi-cylindrical rods are arranged in the second bottom support, and a plurality of positioning guide holes matched with the positioning guide pillars are formed in the periphery of the second bottom support.

Preferably, the first semi-cylindrical rod and the second semi-cylindrical rod are both hollow structures so as to facilitate uniform temperature rise of the upper die and the lower die, the hollow structures are small in size, and the temperature difference between each part of the upper die and each part of the lower die is small.

Preferably, the plurality of first semi-cylindrical rods and the plurality of second semi-cylindrical rods are arranged in a row, respectively.

Preferably, the first bottom support and the second bottom support are hollow structures.

Preferably, the first bottom support and the second bottom support are square frame structures with the same specification.

Preferably, a right-angle glass positioning plate is arranged at one corner of the first bottom support.

Preferably, the upper second bottom support is further provided with a hook for lifting.

Preferably, the number of the first semicylindrical rods is one more than the number of the second semicylindrical rods.

Preferably, the diameters of the first semi-cylindrical rod and the second semi-cylindrical rod can be the same or different, the bending curvatures of the upper arch and the lower arch of the corrugated plate are the same when the corrugated plates are directly same, and the bending curvatures of the upper arch and the lower arch are different when the corrugated plates are different, so that different specifications of products can be met.

Preferably, the center lines of the positioning guide posts and the positioning guide holes are overlapped and vertical to the combination plane of the upper die and the lower die, and the number of the positioning guide posts and the number of the positioning guide holes are 2-4 respectively.

Preferably, the upper and lower molds are made of aluminum, steel, monolithic graphite, ceramic, silicone rubber, electroformed nickel, invar steel or copper alloy.

Borrow by above-mentioned technical scheme, glass buckled plate hot bending apparatus have following advantage at least:

the glass bending mould with multiple bending directions and dense corrugations belongs to the domestic initiative, and can be used for directly processing common plate glass through hot bending to obtain glass corrugated plates. The existing corrugated plate is generally prepared by directly pouring glass hot-melt liquid, the working environment is high, hot-melt equipment must be matched, and the process is complex.

Two, the mould main part adopts hollow structure to set up, has reduced mould itself to thermal absorption, and the thermal cycle is effectual, is favorable to the thermally equivalent of mould, has both prolonged the life-span of mould and does benefit to glass's accurate shaping again, adopts the cooperation of last lower mould to realize the shaping to the curved glass of heat simultaneously, and the shaping precision is high, can be used for processing the curved glass buckled plate of accurate heat.

Drawings

Fig. 1 is a schematic structural view of a device for thermally bending a glass corrugated plate according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of another device for thermally bending a corrugated glass plate according to a preferred embodiment of the present invention;

fig. 3 is a schematic view showing the structure of a glass corrugated plate manufactured by using the glass corrugated plate hot bending apparatus of fig. 1.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the following preferred embodiments are combined. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Materials, reagents and the like used in the following examples are commercially available.

Example 1

As shown in fig. 1, a glass corrugated plate hot-bending device comprises a lower die 1 and an upper die 2 which are connected with each other, wherein the lower die 1 comprises a hollow first bottom support 11, a plurality of first semi-cylindrical rods 12 are arranged in the first bottom support 11, a plurality of positioning guide pillars 13 are arranged around the first bottom support 11, the upper die 2 comprises a hollow second bottom support 21, a plurality of second semi-cylindrical rods 22 are arranged in the second bottom support 21, and a plurality of positioning guide holes 23 matched with the positioning guide pillars 13 are arranged around the second bottom support 21. The center lines of the positioning guide pillars 13 and the positioning guide holes 23 are overlapped with each other and are vertical to the combination plane of the upper die and the lower die, and the number of the positioning guide pillars 13 and the number of the positioning guide holes 23 are respectively 4. The first bottom support 11 and the second bottom support 21 are square frame structures with the same specification. A glass positioning plate 14 is arranged at one corner of the first bottom support 11. The second bottom support 21 is further provided with a hook 24 for lifting. The first semi-cylindrical rod 12 and the second semi-cylindrical rod 22 are respectively arranged in a row and are both hollow structures, so that the uniform temperature rise of the die is facilitated, the hollow structures are small in size, and the temperature difference of all parts of the die is small. The radius of the first semi-cylindrical rods 12 is 12.5mm, the number of the first semi-cylindrical rods is 7, and the center distance between every two adjacent first semi-cylindrical rods 12 is 30 mm; the radius of the second semi-cylindrical rods 22 is 10mm, the number of the second semi-cylindrical rods is 8, and the center distance between two adjacent second semi-cylindrical rods 22 is 30 mm. The upper and lower molds may be made of aluminum or steel, monolithic graphite, ceramic, silicon rubber, electroformed nickel, invar steel, copper alloy, etc., and generally, aluminum, graphite or ceramic molds are used. Ordinary 1.1mm soda-lime-silica glass is placed on a lower die 1, a glass positioning plate 14 is positioned, then an upper die 2 is pressed, the glass corrugated plate hot bending device is integrally placed in a hot bending furnace, the temperature is slowly raised to 600 ℃ per minute at 5 ℃, the glass state is observed through an observation hole of the hot bending furnace, after the glass is bent in place for about 15 minutes, the hot bending furnace is closed, the temperature is naturally reduced, the glass corrugated plate hot bending device is taken out after the temperature is lower than 50 ℃, the upper die 2 is lifted, and the corrugated plate is taken out, so that the glass corrugated plate 100' with the fixed upper and lower bent arches is obtained, as shown in fig. 3. When the upper mold and the lower mold are matched, the upper surface and the lower surface of the glass are tightly attached to the glass in the hot bending process, the precision of the curvature of the upper surface and the lower surface of the glass is ensured, the upper arch curvature and the lower arch curvature of the prepared glass are completely matched with the designed mold, and the method is suitable for preparing the glass corrugated plate with high precision requirement.

Example 2

As shown in fig. 2, a glass corrugated plate hot-bending device is mainly used for a glass corrugated plate with a relaxed requirement on the radian of an upper hot-bending circular arc, and compared with embodiment 1, the glass corrugated plate hot-bending device of the present embodiment only comprises a lower mold 1, wherein the lower mold 1 comprises a hollow first bottom support 11, and a plurality of first semi-cylindrical rods 12 are arranged in the first bottom support 11. The lower die 1 can be of a solid or hollow structure, the radius of each first semi-cylindrical rod 12 is 10mm, the number of the first semi-cylindrical rods is 8, and the center distance between every two adjacent first semi-cylindrical rods 12 is 30 mm. A glass positioning plate (not shown) is provided at one of the corners of the first bottom bracket 11. The lower die 1 may be made of aluminum or steel, integral graphite, ceramic, silicon rubber, electroformed nickel, invar steel, copper alloy, or the like. Put 1.1mm borosilicate glass 100 on bed die 1, glass locating plate 14 location, then put into hot bending furnace with this glass buckled plate hot bending device is whole, every minute 5 degrees slowly heat up to 720 degrees, observe the glass state through hot bending furnace observation hole, the curved back that targets in place of glass about 25 minutes, close this hot bending furnace, naturally cool down to the temperature and take out this glass buckled plate hot bending device after being less than 50 degrees, take out this buckled plate, obtain the glass buckled plate that has fixed upper and lower curved arch. When the lower die is independently adopted for hot bending, the upper surface of the glass is in direct contact with air, the temperature rise of the glass in the hot bending process is facilitated, the upper surface of the prepared glass corrugated plate is very smooth because no pressure exists on the upper surface, but the precision is slightly poor because only the die is arranged below the upper surface, and the method is mainly used for processing the glass corrugated plate which has low precision requirement and high surface quality requirement.

Through the test, adopt the glass buckled plate of embodiment 1 preparation, its curvature error is within 1.5 milliradians, adopts the glass buckled plate of embodiment 2 preparation its curvature error about 2 milliradians, adopts the first mode, and the accuracy is higher. In addition, the glass corrugated plate prepared in example 1 has a small number of pits or depressions on the upper and lower surfaces thereof, while the glass corrugated plate prepared in example 2 has a small number of pits or depressions on the lower surface thereof, and has shallow depressions and no pits or depressions on the upper surface thereof, so that the relative number thereof is small.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The glass corrugated plate hot bending device is characterized by comprising a lower die, wherein the lower die comprises a first bottom support, a plurality of first semi-cylindrical rods are arranged in the first bottom support, and a plurality of positioning guide pillars are arranged around the first bottom support;

the upper die comprises a second bottom support, a plurality of second semi-cylindrical rods are arranged in the second bottom support, and a plurality of positioning guide holes matched with the positioning guide pillars are formed in the periphery of the second bottom support.

2. The apparatus according to claim 1, wherein the first and second semi-cylindrical rods are both hollow structures; the plurality of first semi-cylindrical rods and the plurality of second semi-cylindrical rods are respectively arranged in a row.

3. The apparatus according to claim 2, wherein the first and second bottom supports are hollow.

4. A corrugated glass sheet bender according to claim 3, wherein the first and second supports are of square frame construction of the same dimension.

5. A device according to claim 4, wherein a right-angled glass positioning plate is provided at one of the corners of the first bottom support.

6. The glass corrugated sheet hot bending apparatus according to claim 5, wherein the second bottom support is further provided with a hook for lifting.

7. A device according to claim 6, characterized in that the number of the first semi-cylindrical bars is one more than the number of the second semi-cylindrical bars.

8. The apparatus according to claim 7, wherein the central lines of said guide posts and said guide holes are coincident with each other and perpendicular to the bonding plane of the upper and lower molds, and the number of said guide posts and said guide holes is 2-4; the upper die and the lower die are made of aluminum, steel, integral graphite, ceramic, silicon rubber, electroformed nickel, invar steel or copper alloy.