阅读说明：本技术 玻璃钢化方法 (Glass tempering method ) 是由 陈建章 彭嘉欣 何涛 于 2021-09-22 设计创作，主要内容包括：本发明涉及一种玻璃钢化方法。该玻璃钢化方法包括如下步骤：将篮具在熔融液中进行修饰处理,得到修饰篮具；将玻璃放入修饰篮具中,然后进行钢化处理；熔融液为硝酸钾和硝酸钠中的至少一种制成的熔融液。在该玻璃钢化方法中,钢化处理之前将篮具在熔融液中进行修饰处理,其中熔融液为硝酸钾和硝酸钠中的至少一种制成的熔融液,通过对篮具进行修饰处理之后,能够对篮具进行有效改性,提高篮具在后续钢化处理过程中的稳定性,提高篮具的使用寿命。(The invention relates to a glass toughening method. The glass toughening method comprises the following steps: carrying out modification treatment on the basket in the molten liquid to obtain a modified basket; putting the glass into a decoration basket tool, and then carrying out toughening treatment; the melt is made of at least one of potassium nitrate and sodium nitrate. According to the glass toughening method, the basket is subjected to modification treatment in molten liquid before toughening treatment, wherein the molten liquid is the molten liquid prepared from at least one of potassium nitrate and sodium nitrate, and after the basket is subjected to modification treatment, the basket can be effectively modified, so that the stability of the basket in the subsequent toughening treatment process is improved, and the service life of the basket is prolonged.)

1. The glass toughening method is characterized by comprising the following steps:

carrying out modification treatment on the basket in the molten liquid to obtain a modified basket;

putting the glass into the decoration basket tool, and then carrying out toughening treatment;

the molten liquid is made of at least one of potassium nitrate and sodium nitrate.

2. The method for tempering glass according to claim 1, wherein the temperature of the modification treatment is 360 ℃ to 440 ℃, and the time of the modification treatment is 8h to 24 h.

3. The method for tempering glass according to claim 1, wherein said melt is a melt made of potassium nitrate and sodium nitrate, wherein the mass percent of potassium nitrate is 95-99%, and the mass percent of sodium nitrate is 1-5%.

4. The glass tempering method according to claim 1, wherein said tempering process comprises the steps of:

carrying out first tempering treatment on the glass to obtain first tempered glass; the temperature of the first toughening treatment is 380-450 ℃, and the time of the first toughening treatment is 60-120 min.

5. The glass toughening method of claim 4, wherein the first toughening liquid of the first toughening treatment comprises the following raw materials in percentage by mass:

6. the method for tempering glass according to claim 4, further comprising the step of, after subjecting said glass to a first tempering treatment:

performing salt bath treatment on the first toughened glass to obtain salt bath glass; the temperature of the salt bath treatment is 380-450 ℃, and the time of the salt bath treatment is 2-5 min.

7. The glass tempering method according to claim 6, wherein the salt bath solution of the salt bath treatment comprises the following raw materials by mass percent:

potassium nitrate 90% -100%, and

0 to 10 percent of sodium nitrate.

8. The method of tempering glass according to claim 6, further comprising the step of, after said first tempered glass is subjected to salt bath treatment:

performing second toughening treatment on the salt bath glass; the temperature of the second toughening treatment is 350-410 ℃, and the time of the second toughening treatment is 20-30 min.

9. The glass toughening method of claim 8, wherein the second toughening liquid of the second toughening treatment comprises the following raw materials by mass:

10. the glass tempering method according to any one of claims 1 to 9, wherein the basket comprises a first side plate, a second side plate, a connecting piece and a rack;

the rack comprises a support and a plurality of tooth beads, and the outer surface of the support is sleeved with the plurality of tooth beads; the tooth bead is provided with a first abutting part, a second abutting part and a first transition part; the first abutting part and the second abutting part are respectively positioned at two sides of the first transition part; the first abutting part extends from the first transition part and gradually reduces in diameter, the second abutting part extends from the first transition part and gradually reduces in diameter, and the rate of the reduction in diameter of the first abutting part is smaller than the rate of the reduction in diameter of the second abutting part; the first abutting part of one tooth bead can abut against the second abutting part of the other adjacent tooth bead;

the first side plate and the second side plate are respectively connected to two ends of the connecting piece, and two ends of the supporting piece are respectively connected to the first side plate and the second side plate.

Technical Field

The invention relates to the technical field of glass processing, in particular to a glass toughening method.

Background

In the processing process of glass, tempering is a relatively common processing mode, and the comprehensive performance of the glass can be effectively improved by tempering the glass. In the tempering process, the basket tool is usually required to be adopted to accommodate and treat the glass, and the traditional method can improve the performance of the glass to a certain degree, but the service life of the basket tool is usually short, so that the production cost of the glass is improved.

Disclosure of Invention

Based on this, it is necessary to provide a glass toughening method capable of effectively prolonging the service life of the basket.

A glass tempering method comprises the following steps:

carrying out modification treatment on the basket in the molten liquid to obtain a modified basket;

putting the glass into the decoration basket tool, and then carrying out toughening treatment;

the molten liquid is made of at least one of potassium nitrate and sodium nitrate.

In one embodiment, the temperature of the modification treatment is 360-440 ℃, and the time of the modification treatment is 8-24 h.

In one embodiment, the melt is made of potassium nitrate and sodium nitrate, wherein the mass percent of potassium nitrate is 95% -99%, and the mass percent of sodium nitrate is 1% -5%.

In one embodiment, the melt is made of potassium nitrate and sodium nitrate, wherein the mass percent of the potassium nitrate is 97% and the mass percent of the sodium nitrate is 3%.

In one embodiment, the tempering process includes the steps of:

carrying out first tempering treatment on the glass to obtain first tempered glass; the temperature of the first toughening treatment is 380-450 ℃, and the time of the first toughening treatment is 60-120 min.

In one embodiment, the first tempering liquid for the first tempering treatment comprises the following raw materials in percentage by mass:

in one embodiment, the method further comprises the following steps after the glass is subjected to the first toughening treatment:

performing salt bath treatment on the first toughened glass to obtain salt bath glass; the temperature of the salt bath treatment is 380-450 ℃, and the time of the salt bath treatment is 2-5 min.

In one embodiment, the salt bath solution for salt bath treatment comprises the following raw materials in percentage by mass:

potassium nitrate 90% -100%, and

0 to 10 percent of sodium nitrate.

In one embodiment, the salt bath treatment of the first tempered glass further includes the following steps:

performing second toughening treatment on the salt bath glass; the temperature of the second toughening treatment is 350-410 ℃, and the time of the second toughening treatment is 20-30 min.

In one embodiment, the second toughening liquid for the second toughening treatment includes the following raw materials by mass percent:

in one embodiment, the basket comprises a first side plate, a second side plate, a connector and a rack;

the rack comprises a support and a plurality of tooth beads, and the outer surface of the support is sleeved with the plurality of tooth beads; the tooth bead is provided with a first abutting part, a second abutting part and a first transition part; the first abutting part and the second abutting part are respectively positioned at two sides of the first transition part; the first abutting part extends from the first transition part and gradually reduces in diameter, the second abutting part extends from the first transition part and gradually reduces in diameter, and the rate of the reduction in diameter of the first abutting part is smaller than the rate of the reduction in diameter of the second abutting part; the first abutting part of one tooth bead can abut against the second abutting part of the other adjacent tooth bead;

the first side plate and the second side plate are respectively connected to two ends of the connecting piece, and two ends of the supporting piece are respectively connected to the first side plate and the second side plate.

The glass toughening method comprises the following steps: carrying out modification treatment on the basket in the molten liquid to obtain a modified basket; putting the glass into a decoration basket tool, and then carrying out toughening treatment; the melt is made of at least one of potassium nitrate and sodium nitrate. In the glass toughening method, the basket is subjected to modification treatment in molten liquid before toughening treatment, wherein the molten liquid is the molten liquid prepared from at least one of potassium nitrate and sodium nitrate, and after the basket is subjected to modification treatment, the basket can be effectively modified, so that the stability of the basket in the subsequent toughening treatment process is improved, and the service life of the basket is prolonged.

Furthermore, when the glass tempering method is used for tempering glass, after the basket tool is modified, the glass is placed into the modified basket tool for tempering treatment, so that the tempering effect of the edge of the glass can be effectively improved, and the yield of the glass is improved.

Drawings

FIG. 1 is a schematic structural view of a rack and an elastic member according to an embodiment of the present invention;

FIG. 2 is a schematic view from another angle of the structure corresponding to FIG. 1;

FIG. 3 is a schematic view of the structure of a rack of the corresponding rack of FIG. 1;

FIG. 4 is an angular schematic view of a rack corresponding to FIG. 1;

FIG. 5 is a schematic structural view of a basket according to an embodiment of the present invention;

FIG. 6 is a front view of the basket corresponding to FIG. 5;

FIG. 7 is a left side view of the basket corresponding to FIG. 5;

FIG. 8 is a top view of the basket corresponding to FIG. 5;

FIG. 9 is a schematic view of the rack of the basket of FIG. 5;

FIG. 10 is a schematic view of the basket of FIG. 5 after the curved glass is loaded therein;

fig. 11 is a schematic view of curved glass contacting with a rack during tempering.

The notation in the figure is:

100. a rack; 200. a support member; 201. a first projecting portion; 202. a second projection; 300. tooth beads; 301. a first abutting portion; 3011. a first sub-abutting portion; 3012. a second sub-abutting portion; 302. a second abutting portion; 303. a first transition portion; 304. a second transition portion; 400. an elastic member; 500. a basket tool; 501. a first side plate; 5011. a first mounting hole; 502. a second side plate; 5021. a second mounting hole; 503. a connecting member; 600. curved glass.

Detailed Description

The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

An embodiment of the invention provides a glass toughening method. The glass toughening method comprises the following steps:

s101: and (3) carrying out modification treatment on the basket in the molten liquid to obtain the modified basket.

S102: and putting the glass into a decoration basket tool, and then carrying out toughening treatment.

S103: the melt is made of at least one of potassium nitrate and sodium nitrate.

In the glass toughening method of the embodiment, the basket is subjected to modification treatment in molten liquid before toughening treatment, wherein the molten liquid is molten liquid prepared from at least one of potassium nitrate and sodium nitrate, and after the basket is subjected to modification treatment, the basket can be effectively modified, so that the stability of the basket in the subsequent toughening treatment process is improved, and the service life of the basket is prolonged.

Further, when the glass tempering method in the embodiment is used for tempering glass, after the basket is modified, the glass is placed into the modified basket for tempering treatment, so that the tempering effect of the edge of the glass can be effectively improved, and the yield of the glass is improved.

In a specific example, the temperature of the modification treatment is 360-440 ℃, and the time of the modification treatment is 8-24 h. Optionally, the temperature of the modification treatment is 360 ℃, 370 ℃, 380 ℃, 390 ℃, 400 ℃, 410 ℃, 420 ℃, 430 ℃ or 440 ℃. The time of the modification treatment may be, but is not limited to, 8h, 9h, 10h, 11h, 12h, 13h, 14h, 15h, 16h, 17h, 18h, 19h, 20h, 21h, 22h, 23h, or 24 h.

In a specific example, the melt is a melt made of potassium nitrate, or the melt is a melt made of sodium nitrate.

In another specific example, the melt is a melt made of potassium nitrate and sodium nitrate, wherein the mass percent of potassium nitrate is 95-99%, and the mass percent of sodium nitrate is 1-5%. Alternatively, the mass percent of potassium nitrate is 95% and the mass percent of sodium nitrate is 5%. Alternatively, the mass percentage of potassium nitrate is 96% and the mass percentage of sodium nitrate is 4%. Alternatively, the mass percentage of potassium nitrate is 97% and the mass percentage of sodium nitrate is 3%. Alternatively, the mass percent of potassium nitrate is 98% and the mass percent of sodium nitrate is 2%. Alternatively, the mass percentage of potassium nitrate is 99% and the mass percentage of sodium nitrate is 1%.

In a specific example, the melt was a melt made of potassium nitrate and sodium nitrate, the mass percentage of potassium nitrate was 97%, and the mass percentage of sodium nitrate was 3%. The temperature of the modification treatment was 380 ℃ and the time of the modification treatment was 12 hours.

As a preferable scheme, the toughening treatment comprises the following steps: carrying out first tempering treatment on the glass to obtain first tempered glass; the temperature of the first toughening treatment is 380-450 ℃, and the time of the first toughening treatment is 60-120 min. Optionally, the temperature of the first tempering treatment is 380 ℃, 390 ℃, 400 ℃, 410 ℃, 420 ℃, 430 ℃, 440 ℃ or 450 ℃. The time of the first tempering treatment may be, but is not limited to, 60min, 70min, 80min, 90min, 100min, 110min, or 120 min.

Further, the first toughening liquid for the first toughening treatment comprises the following raw materials in percentage by mass: 51.8 to 61.6 percent of potassium nitrate, 38 to 45 percent of sodium nitrate, 0.1 to 0.8 percent of potassium phosphate, 0.1 to 0.8 percent of sodium phosphate, 0.1 to 0.8 percent of potassium carbonate and 0.1 to 0.8 percent of silicic acid.

Furthermore, the first toughening liquid of the first toughening treatment is prepared from the following raw materials in percentage by mass: 51.8 to 61.6 percent of potassium nitrate, 38 to 45 percent of sodium nitrate, 0.1 to 0.8 percent of potassium phosphate, 0.1 to 0.8 percent of sodium phosphate, 0.1 to 0.8 percent of potassium carbonate and 0.1 to 0.8 percent of silicic acid.

Optionally, the first tempering liquid for the first tempering treatment is prepared from the following raw materials in percentage by mass: 58.5% of potassium nitrate, 39.5% of sodium nitrate, 0.5% of potassium phosphate, 0.5% of sodium phosphate, 0.5% of potassium carbonate and 0.5% of silicic acid. The temperature of the first tempering treatment was 420 ℃. The time of the first toughening treatment is 85 min.

In a specific example, the method further comprises the following steps after the glass is subjected to the first toughening treatment: performing salt bath treatment on the first toughened glass to obtain salt bath glass; the temperature of the salt bath treatment is 380-450 ℃, and the time of the salt bath treatment is 2-5 min. Optionally, the salt bath treatment temperature is 380 ℃, 390 ℃, 400 ℃, 410 ℃, 420 ℃, 430 ℃, 440 ℃ or 450 ℃. Optionally, the salt bath treatment time is 2min, 2.5min, 3min, 3.5min, 4min, 4.5min, or 5 min. Through salt bath treatment, on the basis of further improving the glass performance, the impurities on the surface of the glass can be effectively removed, and particularly, the residues of the first tempering liquid on the surface of the glass can be effectively removed.

Further, the salt bath solution for salt bath treatment comprises the following raw materials in percentage by mass: 90-100% of potassium nitrate and 0-10% of sodium nitrate. It is understood that the salt bath is a molten solution including 90% to 100% potassium nitrate and 0% to 10% sodium nitrate. Optionally, the salt bath solution for salt bath treatment comprises the following raw materials in percentage by mass: potassium nitrate 90% and sodium nitrate 10%, or potassium nitrate 91% and sodium nitrate 9%, or potassium nitrate 92% and sodium nitrate 8%, or potassium nitrate 93% and sodium nitrate 7%, or potassium nitrate 94% and sodium nitrate 6%, or potassium nitrate 95% and sodium nitrate 5%, or potassium nitrate 96% and sodium nitrate 4%, or potassium nitrate 97% and sodium nitrate 3%, or potassium nitrate 98% and sodium nitrate 2%, or potassium nitrate 99% and sodium nitrate 1%, or potassium nitrate 100% and sodium nitrate 0%.

In a specific example, the salt bath solution of the salt bath treatment is made of 100 mass% potassium nitrate. The salt bath treatment temperature was 380 ℃ and the salt bath treatment time was 3 min.

In a specific example, the salt bath treatment of the first tempered glass further includes the following steps: performing second toughening treatment on the salt bath glass; the temperature of the second toughening treatment is 350-410 ℃, and the time of the second toughening treatment is 20-30 min. Optionally, the temperature of the second tempering treatment is 350 ℃, 360 ℃, 370 ℃, 380 ℃, 390 ℃, 400 ℃ or 410 ℃. The time of the second tempering treatment may be, but is not limited to, 20min, 21min, 22min, 23min, 24min, 25min, 26min, 27min, 28min, 29min, or 30 min.

Specifically, the second toughening liquid for the second toughening treatment comprises the following raw materials in percentage by mass: 96-98% of potassium nitrate, 0.5-1% of potassium phosphate, 0.5-1% of potassium carbonate, 0.5-1% of potassium hydroxide and 0.5-1% of potassium pyroantimonate.

More specifically, the second toughening liquid for the second toughening treatment is prepared from the following raw materials in percentage by mass: 97% of potassium nitrate, 1% of potassium phosphate, 1% of potassium carbonate, 0.5% of potassium hydroxide and 0.5% of potassium pyroantimonate. The temperature of the second toughening treatment is 380 ℃, and the time of the second toughening treatment is 25 min.

It is understood that the following steps are also included after the second tempering treatment is performed: and cleaning the glass after the second toughening treatment.

It will also be appreciated that the following steps are included after the cleaning process has been performed: and detecting the glass after the cleaning treatment.

In a specific example, referring to fig. 1 to 9, in the glass tempering method, a basket 500 includes a first side plate 501, a second side plate 502, a connector 503, and a rack 100. The rack 100 includes a support 200 and a plurality of rack beads 300, wherein the plurality of rack beads 300 are sleeved on the outer surface of the support 200; the tooth bead 300 has a first abutment 301, a second abutment 302, and a first transition 303; the first abutting portion 301 and the second abutting portion 302 are respectively located on both sides of the first transition portion 303; the first abutment portion 301 protrudes from the first transition portion 303 and gradually becomes smaller in diameter, the second abutment portion 302 protrudes from the first transition portion 303 and gradually becomes smaller in diameter, and the rate at which the diameter of the first abutment portion 301 becomes smaller is smaller than the rate at which the diameter of the second abutment portion 302 becomes smaller; the first abutment 301 of one of the teeth can abut against the second abutment 302 of another of the teeth adjacent thereto. The first side plate 501 and the second side plate 502 are respectively connected to two ends of the connecting member 503, and two ends of the supporting member 200 are respectively connected to the first side plate 501 and the second side plate 502.

When the basket 500 in this example is used, the first abutment 301 and the second abutment 302 are asymmetric with respect to the first transition 303. At this time, when the glass is put into the basket 500, the first abutting portions 301 and the second abutting portions 302 of the adjacent teethed beads 300 can stably support the glass. When the glass is tempered, the glass may shake to a certain extent, and the glass still can be kept in a stable state between the first abutting part 301 and the second abutting part 302 of the adjacent tooth beads 300, so that the risk that the glass is separated from the basket 500 is reduced.

Further, with the development of production technology and consumer demand, the demand and usage of the curved glass 600 are increasing. As shown in fig. 10 to 11, when the curved glass 600 is placed in the basket 500, the curved portion of the glass contacts the rack 100, and the curved glass 600 is supported by the rack 100. Meanwhile, when the curved glass 600 is placed in the basket 500, the contact area between the outer surface of the curved glass 600 and the rack 100 is small. The contact area between the curved glass 600 and the rack 100 is effectively reduced, so that the influence of the rack 100 on the curved surface of the glass can be effectively reduced, and the manufacturing yield of the curved glass 600 is improved.

Furthermore, when the curved glass 600 is curved AG glass (such as anti-glare glass), the surface of the glass has more particles, and the rack 100 in this example can reduce the abrasion of the rack 100 to the particles, thereby improving the quality of the curved AG glass.

In one specific example, the basket 500 further comprises a protective sleeve (not shown) disposed on the outer surface of the indented ball 300. Further, the protective sheath is a glass fiber protective sheath, a metal protective sheath or a fire-resistant protective sheath. Further, the protective sleeve covers the surface of the basket 500. Specifically, the metal part of the basket is integrally coated.

Referring to fig. 1 to 5, a rack 100 according to another embodiment of the present invention is provided. The rack 100 includes a support 200 and a plurality of toothed beads 300, wherein the toothed beads 300 are sleeved on an outer surface of the support 200; the tooth bead 300 has a first abutment 301, a second abutment 302, and a first transition 303; the first abutting portion 301 and the second abutting portion 302 are respectively located on both sides of the first transition portion 303; the first abutment portion 301 protrudes from the first transition portion 303 and gradually becomes smaller in diameter, the second abutment portion 302 protrudes from the first transition portion 303 and gradually becomes smaller in diameter, and the rate at which the diameter of the first abutment portion 301 becomes smaller is smaller than the rate at which the diameter of the second abutment portion 302 becomes smaller; the first abutment 301 of one of the teeth can abut against the second abutment 302 of another of the teeth adjacent thereto.

In this embodiment, the first abutting portion 301 and the second abutting portion 302 of the rack 100 are asymmetric with respect to the first transition portion 303. The glass holder is particularly suitable for accommodating and supporting the curved glass 600. When the rack 100 of the present embodiment is used, the curved surface of the glass contacts the rack 100, and the curved glass 600 is supported by the rack 100. Meanwhile, the contact area between the outer surface of the curved glass 600 and the rack 100 is small, so that the contact area between the curved glass 600 and the rack 100 is effectively reduced, the influence of the rack 100 on the curved surface of the glass can be effectively reduced, and the manufacturing yield of the curved glass 600 is improved.

It will be appreciated that the rate at which the diameter of the first abutment 301 decreases may be such that the first abutment 301 is more gradual than the second abutment 302 in the respective directions of extension.

It can also be understood that, in the rack 100 structure, the plurality of teeth beads 300 are sleeved on the outer surface of the support 200, and it can be shown that the plurality of teeth beads 300 can present an end-to-end structure, so as to support and store the glass.

It will also be appreciated that the first transition 303 and the first abutment 301, and the first transition 303 and the second abutment 302, are smoothly transitionally connected.

In a particular example, the length of the first abutment 301 is greater than or equal to the length of the second abutment 302. Preferably, the length of the first abutment 301 is greater than the length of the second abutment 302. It will be appreciated that the length of the first abutment 301 is expressed as the length of the first abutment 301 in the direction of the support 200. The length of the second abutment 302 is expressed as the length of the second abutment 302 in the direction of the support 200.

Referring to fig. 4 again, the first abutting portion 301 is divided into a first sub-abutting portion 3011 and a second sub-abutting portion 3012, the second sub-abutting portion 3012 is further away from the first transition portion 303 than the first sub-abutting portion 3011, and the diameter of the second sub-abutting portion 3012 is smaller than the diameter of the first sub-abutting portion 3011.

Further, an included angle formed between the second sub-abutting portion 3012 and the second abutting portion 302 is larger than an included angle formed between the first sub-abutting portion 3011 and the second abutting portion 302.

To more clearly show the included angle formed between the second sub-abutment portion 3012 and the second abutment portion 302, and the included angle formed between the first sub-abutment portion 3011 and the second abutment portion 302. In fig. 4, α represents an angle formed between the second sub-abutting portion 3012 and the second abutting portion 302, β represents an angle formed between the first sub-abutting portion 3011 and the second abutting portion 302, where α > β.

Further, an included angle formed between the second sub-abutting portion 3012 and the second abutting portion 302 is 90 ° to 100 °, and an included angle formed between the first sub-abutting portion 3011 and the second abutting portion 302 is 80 ° to 90 °. Alternatively, the included angle formed between the second sub-abutting portion 3012 and the second abutting portion 302 is 90 ° to 95 °, and the included angle formed between the first sub-abutting portion 3011 and the second abutting portion 302 is 85 ° to 90 °. In a specific example, the angle formed between the second sub-abutting portion 3012 and the second abutting portion 302 is preferably 91 °, and the angle formed between the first sub-abutting portion 3011 and the second abutting portion 302 is preferably 87 °.

It will be appreciated that the angle α formed between the second sub-abutment 3012 and the second abutment 302 may be, but is not limited to, 90 °, 91 °, 92 °, 93 °, 94 °, 95 °, 96 °, 97 °, 98 °, 99 °, or 100 °. The angle β formed between the first sub-abutment 3011 and the second abutment 302 may be, but is not limited to, 80 °, 81 °, 82 °, 83 °, 84 °, 85 °, 86 °, 87 °, 88 °, 89 °, or 90 °.

Referring again to fig. 3 and 4, in a specific example, the rack 100 further includes a second transition portion 304, the second transition portion 304 is located on a side of the second abutting portion 302 away from the first transition portion 303, and the second transition portion 304 is used for transitioning the first abutting portion 301 and the second abutting portion 302 of the adjacent tooth ball 300. It will be appreciated that the second transition 304 provides a smooth transition between the first and second abutments 301, 302 of adjacent tooth beads 300.

Further, the diameter of the end face of the second transition portion 304 remote from the first transition portion 303 is equal to the diameter of the end face of the first abutment 301 remote from the first transition portion 303. This may allow for a better adaptation of the size of the adjacent teethed bead 300, further improving the smooth transition of the first and second abutments 301, 302 of the adjacent teethed bead 300.

In one specific example, the teethed bead 300 is a unitary structure with the support 200. The processing, manufacturing and molding are convenient.

In one specific example, the rack 100 further includes a protective sleeve (not shown) disposed on an outer surface of the rack ball 300. The protective effect on the toothed bead 300 can be effectively improved through the arrangement of the protective sleeve, and the service life of the rack 100 is prolonged.

Further, the protective sheath is a glass fiber protective sheath, a metal protective sheath or a fire-resistant protective sheath. Furthermore, the protective sleeve covers the surface of the basket tool integrally. Specifically, the metal part of the basket is integrally coated.

Referring to fig. 1 and fig. 2 again, in a specific example, a first protrusion 201 and a second protrusion 202 are formed at two ends of the supporting member 200, and the first protrusion 201 and the second protrusion 202 are respectively used for mounting the two ends of the supporting member 200. The support member 200 can be conveniently installed by the arrangement of the first and second protrusions 201 and 202. For example, the rack 100 can be easily mounted on the basket 500 by the arrangement of the first protrusion 201 and the second protrusion 202. Optionally, the length of first projection 201 is less than the length of second projection 202.

Referring to fig. 5 to 9, another embodiment of the present invention provides a basket 500. The basket 500 includes a first side plate 501, a second side plate 502, a connecting member 503 and the rack 100; the first side plate 501 and the second side plate 502 are respectively connected to two ends of the connecting member 503, and two ends of the supporting member 200 are respectively connected to the first side plate 501 and the second side plate 502.

In one specific example, the basket 500 further includes a resilient member 400, and the resilient member 400 is sleeved on at least one end of the supporting member 200. Through the arrangement of the elastic member 400, the supporting member 200 can be conveniently disassembled and assembled, and further the rack 100 can be conveniently disassembled and assembled.

Further, a first protrusion 201 and a second protrusion 202 are formed at two ends of the supporting member 200, the length of the first protrusion 201 is smaller than that of the second protrusion 202, and the elastic member 400 is sleeved on the second protrusion 202. At this time, when the rack 100 is installed, the second protrusion 202 may be installed on the second side plate 502, and then the elastic member 400 is pressed downward, so that an abdicating space may be formed between the first protrusion 201 and the first side plate 501, and then the first protrusion 201 is installed on the first side plate 501, and then the rack 100 is stably installed between the first side plate 501 and the second side plate 502 under the action of the elastic member 400. When the rack 100 is disassembled, the elastic member 400 may be pressed down to take out the first protrusion 201, and then the second protrusion 202 may be taken out. In this way, in the process of assembling and disassembling the rack 100, the first side plate 501 and the second side plate 502 do not need to be disassembled and assembled, which is beneficial to improving the convenience and the production efficiency of assembling and disassembling the rack 100.

Optionally, the elastic member 400 is a spring.

It is understood that there are a plurality of racks 100, and the plurality of racks 100 are arranged in an array. The plurality of racks 100 are distributed in an array to support the glass at different positions and a plurality of glasses.

It can also be understood that the first side plate 501 and the second side plate 502 are respectively provided with a first mounting hole 5011 and a second mounting hole 5021, and the first mounting hole 5011 and the second mounting hole 5021 are respectively used for mounting both ends of the support 200. Specifically, the first mounting holes 5011 are plural, and the plural first mounting holes 5011 are distributed in an array; the second mounting holes 5021 are multiple, and the second mounting holes 5021 are distributed in an array.

The following are specific examples.

Example 1

The embodiment provides a method for toughening curved surface AG glass, wherein the glass is Corning seventh generation gorilla glass, and the basket tool adopts the basket tool in figures 5-9. In the basket, an included angle alpha formed between the second sub-abutting part and the second abutting part is 91 degrees, and an included angle beta formed between the first sub-abutting part and the second abutting part is 87 degrees. Winding glass fiber wires on the surface of the basket tool to form a glass fiber protective sleeve on the surface of the basket tool.

The glass tempering method in the embodiment is as follows:

s201: and (3) carrying out modification treatment on the basket in the molten liquid to obtain the modified basket. The melt is prepared from 97% by mass of potassium nitrate and 3% by mass of sodium nitrate. The temperature of the modification treatment was 380 ℃ and the time of the modification treatment was 12 hours.

S202: and putting the curved-surface AG glass into a decoration basket tool, and then carrying out first toughening treatment to obtain first toughened glass. The first toughening liquid for the first toughening treatment is prepared from the following raw materials in percentage by mass: 58.5% of potassium nitrate, 39.5% of sodium nitrate, 0.5% of potassium phosphate, 0.5% of sodium phosphate, 0.5% of potassium carbonate and 0.5% of silicic acid. The temperature of the first tempering treatment was 420 ℃. The time of the first toughening treatment is 85 min.

S203: and (3) performing salt bath treatment on the first toughened glass to obtain salt bath glass. Wherein the salt bath solution for salt bath treatment is prepared from 100 mass percent of potassium nitrate. The salt bath treatment temperature was 380 ℃ and the salt bath treatment time was 3 min.

S204: and performing secondary toughening treatment on the salt bath glass. The second toughening liquid for the second toughening treatment is prepared from the following raw materials in percentage by mass: 97% of potassium nitrate, 1% of potassium phosphate, 1% of potassium carbonate, 0.5% of potassium hydroxide and 0.5% of potassium pyroantimonate. The temperature of the second toughening treatment is 380 ℃, and the time of the second toughening treatment is 25 min.

S205: and cleaning the glass after the second toughening treatment. The target tempered glass in this example was obtained.

Example 2

Example 2 differs from example 1 in that: the metal wire is wound on the surface of the basket, and the material of the metal wire is SUS316L, so that a metal protective sleeve is formed on the surface of the basket.

Example 3

Example 3 differs from example 1 in that: and winding a refractory fiber wire on the surface of the basket tool to form a refractory protective sleeve on the surface of the basket tool.

Comparative example 1

Comparative example 1 differs from example 1 in that: in the basket, an included angle alpha formed between the second sub-abutting portion and the second abutting portion is 80 degrees, and an included angle beta formed between the first sub-abutting portion and the second abutting portion is 75 degrees.

Comparative example 2

Comparative example 2 differs from example 1 in that: the basket was not modified in the melt.

Comparative example 3

Comparative example 3 differs from example 1 in that: no protective sleeve is formed on the surface of the basket.

Comparative example 4

Comparative example 4 differs from example 1 in that:

the second toughening liquid for the second toughening treatment in the S204 is prepared from the following raw materials in percentage by mass: potassium nitrate 98%, potassium phosphate 1% and potassium carbonate 1%. The temperature of the second toughening treatment is 380 ℃, and the time of the second toughening treatment is 25 min.

Comparative example 5

Comparative example 5 differs from example 1 in that: when the basket tool is modified in the melt, the melt is made of potassium bromide molten salt.

The target glasses in the examples and comparative examples were tested. The test items include whether the AG surface is damaged (AG damage test is performed 200 times under a microscope at the position where the rack position contacts the glass), the basket life (the number of times the basket is used), and the CS stress value. The test results are shown in the following table.

Target glass	Whether or not the AG surface is damaged	Basket service life	CS stress value (MPa)
				Example 1	Whether or not	12 times (twice)	1352
Example 2	Is that	32 times (twice)	1343
				Example 3	Whether or not	43 times (one time)	1359
Comparative example 1	Is that	14 times (twice)	1326
				Comparative example 2	Whether or not	6 times of	1344
Comparative example 3	Is that	1 time of	1322
				Comparative example 4	Whether or not	13 times (twice)	1109
Comparative example 5	Whether or not	3 times of	1255

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims, and the description and the drawings can be used for explaining the contents of the claims.