CN214735362U

CN214735362U - Glass tempering forming die and glass tempering forming equipment

Info

Publication number: CN214735362U
Application number: CN202120534442.XU
Authority: CN
Inventors: 张克治; 徐军升
Original assignee: Luoyang Landglass Technology Co Ltd
Current assignee: Luoyang Landglass Technology Co Ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-16
Anticipated expiration: 2031-03-15

Abstract

The utility model relates to a glass tempering forming die and glass tempering former, include: but relative movement's two mould parts from top to bottom and set up two mould profiles and the cooling structure that is close to profiled surface one side at two mould parts respectively, the cooling structure includes: the cooling device comprises a cooling medium inlet, a cooling medium outlet, a cooling fluid channel and a connecting channel, wherein the cooling medium inlet and the cooling medium outlet are communicated with the connecting channel; the plurality of cooling fluid channels are distributed on one side of the die surface, which is far away from the molding surface, and are used for cooling the die surface; the cooling fluid passage is in communication with the connecting passage. The utility model discloses a glass tempering forming die directly cools off the tempering through the glass after the shaping at inside cooling device that sets up of mould, has not only practiced thrift the time, has still saved equipment area, can avoid glass to remove the deformation of in-process and cooling process between shaping process and cooling process, great improvement the finished product qualification rate.

Description

Glass tempering forming die and glass tempering forming equipment

Technical Field

The utility model relates to a glass tempering former technical field, concretely relates to glass tempering forming die who possesses cooling function and use glass tempering former of this mould.

Background

At present, the glass forming methods in the market mainly comprise: roller forming and die forming, wherein the cooling modes of the two forming methods are air grid cooling. For the die forming, a hollow die forming and a full-profile die forming are mainly adopted, wherein the forming surfaces of an upper die and a lower die formed by the full-profile die are continuous curved surfaces, and the principle is as follows: after the glass is heated to a set temperature (600-700 ℃), the hot glass is conveyed between the dies, after the hot glass is positioned, the upper die and the lower die are punched and formed, and after the glass is formed, the glass is quickly conveyed into an air grid for air blowing, cooling and tempering. The cooling method has the disadvantages of low tempering efficiency and low glass forming precision.

In order to solve the above problems, the CN206051837U patent discloses a glass press forming mold capable of directly cooling and toughening glass in the mold, which reduces the deformation of glass during toughening process compared with the existing air grid blowing and toughening process, as shown in fig. 4, the cooling medium enters the coil pipe from the cooling medium inlet 15, and flows in the coil pipe in a zigzag shape to the cooling medium outlet 14, because the coil pipe is longer, the temperature difference between the cooling medium inlet 15 and the cooling medium outlet 14 is large, the cooling uniformity is poor, the cooling and forming effect of glass is directly affected, and in addition, the coil pipe used for a long time is blocked by impurities and is not easy to clean.

SUMMERY OF THE UTILITY MODEL

To above-mentioned problem, this patent provides a glass tempering forming die who possesses cooling function and uses glass tempering former of this mould. The cooling device is arranged in the upper die and the lower die, so that the formed glass is directly cooled in the dies, the cooling uniformity is high, and the problems of low tempering efficiency, poor forming precision and the like in the prior art are effectively solved.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a glass tempering forming die comprises:

the two mould parts can move up and down relatively, and the two mould surfaces are respectively arranged on one sides of the two mould parts close to the forming surfaces, the two mould surfaces are matched with the shape of the glass target curved surface, and the mould surfaces are continuous;

be provided with cooling structure on the forming die, cooling structure includes: the cooling device comprises a cooling medium inlet used for introducing a cooling medium, a cooling medium outlet used for leading out the cooling medium, a cooling fluid channel and a connecting channel, wherein the cooling medium inlet and the cooling medium outlet are communicated with the connecting channel; the plurality of cooling fluid channels are distributed on one side of the die surface, which is far away from the molding surface, and are used for cooling the die surface; the cooling fluid passage is in communication with the connecting passage.

Further, the cooling fluid channels are identical in shape and are evenly distributed.

Further, the cooling fluid passage is linear, and a plurality of axes of the cooling fluid passages are parallel.

Further, the cooling fluid channel is S-shaped, and a plurality of the cooling fluid channels are arranged in parallel.

Further, the cooling medium inlets are arranged in the middle of the die part, and at least two cooling medium outlets are arranged at two ends of the die part.

Furthermore, the cooling medium inlets are a plurality of and are uniformly distributed along the direction vertical to the axis of the cooling fluid channel.

Further, the cooling medium inlet and the cooling medium outlet are both multiple.

Further, the depth of the cooling fluid channel is 1-6mm, and the width of the cooling fluid channel is 2-8 mm; the interval between adjacent cooling fluid channels is 1-6 mm; the distance from one end of the cooling fluid channel close to the molding surface is 4-20 mm; the depth of the connecting channel is 40-120 mm.

Further, the depth of the plurality of cooling fluid channels distributed in the direction perpendicular to the axis of the cooling fluid channels becomes gradually shallower from the middle of the mold part to both end portions of the mold part.

The glass tempering forming device comprises the glass tempering forming die, a cooling medium conveying device and a cooling medium storage device.

The utility model discloses a glass tempering forming die and tempering equipment who uses this kind of mould, through set up the direct glass to the shaping after of cooling structure on forming die and cool off the tempering, not only the time of having practiced thrift, still saved equipment area to because shaping and cooling go on in same mould, can avoid glass to move the in-process between shaping process and cooling process, with the deformation in the cooling process, great improvement the finished product qualification rate.

Drawings

Fig. 1(a) is a schematic structural view of a lower forming die of the present invention;

fig. 1(b) is a schematic structural view of the upper forming mold of the present invention;

FIG. 2(a) is a schematic structural view of a lower mold part according to the present invention;

FIG. 2(b) is a schematic structural view of the upper mold part of the present invention;

FIG. 3(a) is a schematic view showing a profile structure of a linear lower mold;

FIG. 3(b) is a schematic view showing a structure of a linear upper mold surface;

FIG. 4 is a schematic view of the profile structure of an S-shaped lower die;

FIG. 5 is a partial enlarged view of the portion A in FIG. 3 (a);

FIG. 6 is a partial enlarged view of FIG. 4B;

FIG. 7 is a cross-sectional view of a linear lower forming die taken perpendicular to the axis of the cooling fluid passage;

FIG. 8 is an enlarged view of a portion of FIG. 7C;

FIG. 9 is a cross-sectional view of another linear lower forming die taken perpendicular to the axis of the cooling fluid passage;

FIG. 10 is a sectional view of the linear lower molding die taken along the axis of the cooling fluid passage.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the examples of the present invention are clearly and completely described below with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, and not all examples. Based on the examples in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, the "molding surface" described hereinafter refers to a working surface of the molding die which is in contact with the upper and lower surfaces of the glass to be molded, and is denoted by 7 in fig. 1.

Taking the curved glass forming as an example, the specific structure of the glass tempering forming mold of the present invention is explained. As shown in fig. 1-3, the glass tempering forming mold of the present invention comprises: the two mould parts 1 can move up and down relatively and the two mould surfaces 2 are respectively arranged on one sides of the two mould parts 1 close to the forming surface 7; wherein the two mould surfaces 2 are continuous and detachably mounted on the mould part 1, for instance by screwing, the mould surfaces 2 to the mould part 1. And, two die surfaces 2 are adapted with the glass target curved surface shape, namely through the stamping forming of two die surfaces 2, the glass can be formed into the set shape. When the glass is formed, the two mould parts 1 can be arranged up and down according to requirements, and in the glass forming process, the mould part 1 and the model surface 2 arranged on the upper part are descended and pressed on the mould part 1 and the model surface 2 arranged on the lower part, so that the glass is formed.

As shown in fig. 7 to 10, the molding die includes a cooling structure including: a cooling medium inlet 4, a cooling medium outlet 5, a cooling fluid channel 3 and a connecting channel 6, wherein the cooling medium inlet 4 is used for introducing a cooling medium, the cooling medium outlet 5 is used for leading out the cooling medium, and the cooling medium can be in a liquid state or a gaseous state, such as liquid cooling water, liquid nitrogen or gaseous cooling air. As shown in fig. 2, the connection passage 6 includes a first connection passage 61 and a second connection passage 62, the first connection passage 61 is arranged to allow the cooling medium introduced into the cooling structure from the cooling medium inlet 4 to flow into each cooling fluid passage 3 quickly and uniformly without the cooling medium entering into the cooling fluid passages 3 unevenly due to the distance difference between each cooling fluid passage 3 and the cooling medium inlet 4, and the axis of the first connection passage 61 is perpendicular to the axis of the cooling fluid passage 3. The cooling medium inlet 4 is communicated with the first connecting channel 61, the cooling medium outlet 5 is communicated with the second connecting channel 62, the cooling fluid channel 3 is communicated with the connecting channel 6, the direction indicated by an arrow F in figures 7, 9 and 10 is the moving direction of the cooling medium in the cooling structure, and as can be seen from figure 2, the cooling medium entering the cooling structure from the cooling medium inlet 4 firstly enters the first connecting channel 61 and then enters the cooling fluid channel 3 from the first connecting channel 61, so that the uniform cooling of the whole glass is ensured. The cooling fluid channels 3 are used for guiding cooling media, and the cooling fluid channels 3 are distributed on one side, far away from the molding surface 7, of the mold surface 2 to cool the mold surface 2. When the cooling medium is discharged, the cooling medium in the cooling fluid passage 3 first enters the second connecting passage 62 and then is discharged from the cooling medium outlet 5. The cooling fluid channels 3 are identical in shape and are uniformly distributed, and are independent of each other. As shown in fig. 3, the cooling fluid channel 3 may be linear in shape, and the axes of a plurality of linear cooling fluid channels are parallel, as shown in fig. 4, the cooling fluid channel 3 may also be S-shaped, and a plurality of S-shaped cooling fluid channels are arranged in parallel. The cooling medium outlets 5 are arranged at the end parts of the mould part 1, and the cooling medium inlets 4 are arranged in the middle part of the mould part 1, so that the distance between the cooling medium inlets 4 and the cooling medium outlets 5 is shortened, the temperature difference value of the cooling medium between the cooling medium outlets 5 and the cooling medium inlets 4 is reduced, the temperature difference value is usually less than or equal to 10 ℃, and the cooling effect is ensured; preferably, the axes of the cooling fluid channels 3 are arranged in parallel along the length direction of the mold component 1, the middle of the mold component 1 is provided with a plurality of cooling medium inlets 4, the cooling medium inlets 4 are uniformly distributed along the direction perpendicular to the axes of the cooling fluid channels, and at least two cooling medium outlets 5 are symmetrically arranged at two ends of the mold component 1 along the width direction of the mold component 1. The total flow rate of the cooling medium of the plurality of cooling medium outlets 5 and the plurality of cooling medium inlets 4 is kept the same per unit time.

The cooling fluid channel 3 is a groove densely distributed between the bosses with parallel axes on the side of the model surface 2 far away from the molding surface 7. As shown in FIG. 8, the cooling fluid channel 3 has a width d₁Adjacent cooling fluid channels 3 are spaced apart by d₂The cooling fluid channel 3 is arranged at a distance d from the end close to the forming surface 7₃The cooling fluid channel 3 has a depth h₁The connecting channel 6 has a depth h₂. Preferably, the width of the lands, i.e. the spacing d between adjacent cooling fluid channels 3₂1-6mm, width d of cooling fluid channel 3₁2-8mm, a depth h of the cooling fluid channel 3₁1-6mm, the cooling fluid channel 3 is close to the forming surface 7 and has a distance d from one end of the forming surface 7 to the forming surface 7₃4-20mm, and the depth of the connecting channel 6 is 40-120 mm. For example, double glass thickness 5 mm; the following steps can be selected: adjacent cooling fluid channel spacing d₂Is 3 mm; cooling fluid channel 3 width d₁Is 4 mm; depth h of cooling fluid channel 3₁Is 4 mm; as shown in fig. 2, the water inlets 4 are positioned in the middle of the mould part 1, the number of the water inlets is 3, the water inlets are arranged along the length direction of the mould part 1, and the diameter of the water inlets 4 is 40 mm; the water outlets 5 are positioned in the second connecting channels 62 at two sides of the

mould part

1, 5 water outlets are arranged in each second connecting channel 62, the total number of the water outlets is 10, and the diameter of each water outlet is 12 mm; the cooling fluid channel 3 is close to the distance d from one end of the forming surface 7 to the forming surface 7₃6mm, depth h of the first connecting channel 61₂Is 50 mm. As the size and thickness of the glass are larger, more cooling water is required to absorb the heat conducted by the glass to the cooling structure, so that the diameter of the cooling medium inlet and outlet is required to be larger, and the width of the boss is reducedNamely, the interval between the adjacent cooling fluid channels 3 is increased, the width of the cooling fluid channel 3 is increased, and the depth of the cooling fluid channel 3 is increased to accelerate cooling; and, as the glass specification and thickness are bigger, the die surface 2 is also thicker, and the distance from one end of the cooling fluid channel 3 close to the forming surface 7 is bigger, so that the strength requirement of the die surface of the forming die is met. The die part 1 and the model surface 2 are made of high-temperature-resistant metal materials, preferably carbon steel and aluminum alloy with better heat conductivity.

As shown in fig. 9, the thickness of the boss may be made thinner from the middle to both sides, that is, the depth of the plurality of cooling fluid passages 3 distributed in the direction perpendicular to the axis of the cooling fluid passages 3 may be set to be gradually shallower from the middle of the mold part 1 to both end portions of the mold part 1, facilitating the discharge of the cooling medium.

Furthermore, the utility model discloses a tempering forming die also can be used for plane glass's tempering shaping, especially in plane thin glass's tempering shaping, uses the utility model discloses a tempering forming die can solve the turn-ups deformation problem of plane thin glass limit portion in the tempering cooling.

Finally, the utility model discloses still relate to one kind and use above-mentioned mould to carry out fashioned glass tempering former to glass. Other parts of the apparatus are similar to those of the prior art, and comprise a cooling medium conveying device and a cooling medium storage device, and the forming part and the tempering part of the apparatus are replaced by the forming die.

It is to be understood that some of the structures may be selected differently than the specific embodiments described above. For example, the shape of the cooling fluid channel 3 may be wave-shaped, 8-shaped, or a combination of the above shapes, which can be made by those skilled in the art based on their basic skills based on understanding the idea of the present invention, and therefore, the present invention is not limited thereto.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.

Claims

1. A glass tempering forming die comprises: the two mould parts can move up and down relatively, and the two mould surfaces are respectively arranged on one sides of the two mould parts close to the forming surfaces, the two mould surfaces are matched with the shape of the glass target curved surface, and the mould surfaces are continuous; its characterized in that, be provided with cooling structure on the forming die, cooling structure includes: the cooling device comprises a cooling medium inlet used for introducing a cooling medium, a cooling medium outlet used for leading out the cooling medium, a cooling fluid channel and a connecting channel, wherein the cooling medium inlet and the cooling medium outlet are communicated with the connecting channel; the plurality of cooling fluid channels are distributed on one side of the die surface, which is far away from the molding surface, and are used for cooling the die surface; the cooling fluid passage is in communication with the connecting passage.

2. The mold of claim 1, wherein the plurality of cooling fluid channels are identical in shape and evenly distributed.

3. The mold of claim 2, wherein the cooling fluid passages are linear, and a plurality of the cooling fluid passages are parallel in axis.

4. The mold of claim 2, wherein the cooling fluid channel is S-shaped, and a plurality of the cooling fluid channels are arranged in parallel.

5. The mold of claim 1, wherein the cooling medium inlet is disposed in a central portion of the mold part, and the cooling medium outlet is at least two outlets disposed at opposite ends of the mold part.

6. The mold according to claim 1, wherein the cooling medium inlet is plural and is uniformly distributed in a direction perpendicular to an axis of the cooling fluid passage.

7. The mold according to claim 1, wherein the cooling medium inlet and the cooling medium outlet are each plural.

8. The mold of claim 1, wherein the cooling fluid channel depth is 1-6mm and the cooling fluid channel width is 2-8 mm; the interval between adjacent cooling fluid channels is 1-6 mm; the distance from one end of the cooling fluid channel close to the molding surface is 4-20 mm; the depth of the connecting channel is 40-120 mm.

9. The mold of claim 1, wherein the plurality of cooling fluid channels distributed in a direction perpendicular to the axis of the cooling fluid channels are tapered in depth from a middle portion of the mold part to both end portions of the mold part.

10. A glass tempering forming apparatus, characterized by comprising the glass tempering forming mold according to any one of claims 1 to 9, a cooling medium delivery device and a cooling medium storage device.