Disclosure of Invention
The invention aims to provide a hole-digging glass toughening production method, which is used for solving the problem that the hole-digging glass is broken due to the fact that a chamfered part absorbs heat quickly in the toughening production process of the hole-digging glass, and micro cracks are enlarged.
In order to achieve the purpose, the invention adopts the technical scheme that:
a hole-digging glass toughening production method, wherein a notch is arranged on hole-digging glass, and the hole-digging glass toughening production method comprises the following steps:
s1, placing filling blocks at the notches of the hole digging glass;
s2, simultaneously conveying the hole digging glass and the filling block in the step S1 to a tempering furnace for tempering treatment, wherein the conveying speed of the hole digging glass and the filling block in the tempering furnace is consistent;
s3, after the hole digging glass and the filling block which are tempered in the step S3 are simultaneously moved out of the tempering furnace, the filling block in the hole digging glass notch is taken out;
the material of the filling block is the same as that of the hole digging glass, the thickness of the filling block is the same as that of the hole digging glass, the upper top surface and the lower bottom surface of the filling block are respectively flush with the upper top surface and the lower bottom surface of the hole digging glass, and a gap is kept between the outer side surface of the filling block and the inner side wall of the gap.
Preferably, the interval between the outer side surface of the filling block and the inner side wall of the notch is 50-100 mm.
Preferably, when the notch is arranged in the middle of the hole digging glass, the periphery of the notch is enclosed, and the shape of the outer contour of the filling block corresponds to the shape of the inner contour of the notch.
Preferably, the outer side face of the filling block is equal to the inner side wall of the corresponding notch in spacing.
Preferably, when the notch is arranged at the edge of the hole digging glass, the notch is not enclosed, the notch is provided with one or more inner side walls, and the shape of the outer side surface of the filling block corresponding to the inner side walls of the notch is matched with the shape of the inner side walls of the notch.
Preferably, the notch is provided with two inner side walls, an acute included angle is formed between the two inner side walls of the notch, the filling block is provided with an upper top surface and a lower bottom surface which are oppositely arranged from top to bottom and three outer side surfaces arranged between the upper top surface and the lower bottom surface, the two adjacent outer side surfaces of the filling block correspond to the two inner side walls of the notch one by one, and the other outer side surface is flush with or extends out of the outer side surface of the notch formed by the hole digging glass.
Preferably, the breach has two inside walls, the breach has two adjacent inside walls that set up, form obtuse angle contained angle or right angle contained angle between two inside walls of breach, fill up the piece and have relative up-down top surface and lower bottom surface and set up and be in go up four lateral surfaces between top surface and the lower bottom surface, fill up two adjacent lateral surfaces of piece with two inside walls one-to-one of breach, in addition two adjacent sides respectively with two lateral surfaces that the breach was seted up to the glass that digs the hole flush, or stretch out the glass that digs the hole.
Preferably, the notch is provided with three inner side walls which are adjacently arranged, the filling block is provided with an upper top surface and a lower bottom surface which are oppositely arranged from top to bottom and four outer side surfaces which are arranged between the upper top surface and the lower bottom surface, the three adjacent outer side surfaces of the filling block correspond to the three inner side walls of the notch one by one, and the other outer side surface is flush with the outer side surface of the notch formed in the hole digging glass or extends out of the hole digging glass.
Preferably, the gap has an arc-shaped inner side wall, and the filler block has an arc-shaped outer side surface corresponding to the arc-shaped inner side wall of the gap.
Preferably, the filler block is square, diamond, semi-circular or circular.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the hole-digging glass toughening production method provided by the invention, the filling block with the same thickness and type is arranged at the notch of the hole-digging glass, so that the heat absorption of the chamfered part of the hole-digging glass in the heating process is reduced, the microcracks of the chamfered part are prevented from further expanding, the breakage and deformation of the hole-digging glass in the toughening production process are reduced, the hole-digging glass is not easy to break, the finished product rate is high, and the product quality is good.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.
The embodiment provides a hole-digging glass 1 toughening production method, wherein a notch (namely a through hole) is formed in the hole-digging glass 1, the glass is preferably in a square structure, and the toughening production method comprises the following steps:
s1, placing a filling block 2 in the notch of the hole-digging glass 1, wherein the glass is colored glaze glass, coated glass, common white glass, ultra-white glass or colored glass; the filling block 2 is made of the same material as the hole digging glass 1;
s2, conveying the hole-digging glass 1 and the filling block 2 in the step S1 to a toughening furnace for toughening treatment (including heating and cooling), wherein the conveying speed of the hole-digging glass 1 and the filling block 2 in the toughening furnace is consistent, the filling block 2 is placed at a glass gap at an upper sheet platform of the toughening furnace and then conveyed to the toughening furnace together, wherein the material of the filling block 2 is the same as that of the hole-digging glass 1, the thickness of the filling block 2 is the same as that of the hole-digging glass 1, when the hole-digging glass 1 and the filling block 2 are placed on a conveying roller, the lower bottom surface of the hole-digging glass 1 is in contact with the lower bottom surface of the filling block 2, and the upper top surface and the lower bottom surface of the filling block 2 are respectively flush with the upper top surface and the lower bottom surface of the hole-digging glass 1, namely, the hole-digging glass 1 and the filling block 2 are placed at the same height and in the same plane; the filling block 2 is placed at the notch before the glass is toughened, and the toughening is carried out at the same time, so that the expansion of microcracks caused by heat absorption at the notch of the glass can be reduced, and the glass is prevented from being broken due to stress concentration at the notch when the glass is toughened and cooled.
In the toughening process, an interval is kept between the outer side face of the filler block 2 and the inner side wall of the notch, preferably, the interval between the outer side face of the filler block 2 and the inner side wall of the notch is 50-100mm, in the transmission process, the glass and the filler block 2 which is positioned at the notch of the glass are relatively static, and the interval is set so as to better prevent the filler block 2 from colliding with the glass in the transmission process, and the collision can cause the glass to break or even be damaged. In addition, the size of the filling block 2 is smaller than that of the gap, so that the filling block 2 can be conveniently placed in and taken out of the gap.
If the filling block and the notch are square, the filling block is provided with four outer side faces, the notch is provided with four inner side walls, the four outer side faces correspond to the four inner side walls one to one, intervals are kept between the four outer side faces and the corresponding four inner side walls, and the intervals are equal.
S3, after the hole digging glass 1 and the filling block 2 which are tempered in the step S3 are simultaneously moved out of the tempering furnace, the filling block 2 in the notch of the hole digging glass 1 is taken out; and step S3 is followed by steps of coating, cleaning and drying to obtain the grooved toughened glass.
The width of the filled glass is 30mm-100mm smaller than the size of the groove of the hole digging glass 1, and the length is 30mm-100mm smaller;
the first embodiment is as follows:
referring to fig. 1, when the gap is disposed in the middle of the hole-digging glass 1 (the middle refers to a non-edge portion of the glass, and includes not only a center position of the glass), the periphery of the gap is enclosed (a continuous enclosing structure is provided), the shape of the outer contour of the filler block 2 corresponds to the shape of the inner contour of the gap, the shape of the gap is designed as required, and if the gap is circular, square, diamond, flower, heart, or the like, the filler block 2 is correspondingly circular, semicircular, square, diamond, flower, heart, or the like. The gap is kept between the outer side surface of the filling block 2 and the inner side wall of the gap, namely, any outer side surface of the filling block 2 cannot contact the inner side wall of the gap.
Preferably, the outer side surface of the filler block 2 is equally spaced from the corresponding inner side wall of the notch, so that the expansion of micro-cracks caused by heat absorption at the glass notch is uniformly reduced.
The filling block 2 is circular, the gap is provided with a circumferential inner wall surface, and the diameter of the filling block 2 is smaller than that of the gap. The filling block 2 is square, the notch is provided with four inner side walls, and the four inner side walls are enclosed all around.
When the notch is arranged at the edge of the hole digging glass 1, the periphery of the notch is not enclosed, the notch is provided with one or more inner side walls, the shape of the outer side surface of the filling block 2 corresponding to the inner side walls of the notch is matched with the shape of the inner side walls of the notch, and the following embodiments two to five are provided.
Example two:
referring to fig. 2, the notch has two inner side walls (without an upper top surface and a lower bottom surface), an acute included angle is formed between the two inner side walls of the notch, the filling block 2 has an upper top surface and a lower bottom surface which are oppositely arranged up and down and three outer side surfaces (such as a pentahedron) which are arranged between the upper top surface and the lower bottom surface, when the filling block 2 is placed at the notch, the filling block 2 cannot contact with the notch, two adjacent outer side surfaces of the filling block 2 correspond to the two inner side walls of the notch one by one (the interval between the two adjacent outer side surfaces of the filling block 2 and the two corresponding inner side walls of the notch is preferably equal), the other outer side surface is flush with the outer side surface of the notch formed by the hole-digging glass 1, or extends out of the hole-digging glass 1 (the other outer side surface is not flush with the outer side surface of the notch formed by the hole-digging glass 1), the upper top surface of the filling block 2, The lower bottom surface is respectively flush with the upper top surface and the lower bottom surface of the hole digging glass 1.
EXAMPLE III
Referring to fig. 3, the notch has two inner side walls (without an upper top surface and a lower bottom surface) which are adjacently arranged, an obtuse included angle or a right-angle included angle is formed between the two inner side walls of the notch, and the filling block 2 has an upper top surface and a lower bottom surface which are oppositely arranged from top to bottom and four outer side surfaces (such as a hexahedron) which are arranged between the upper top surface and the lower bottom surface. When the filling block 2 is placed at the notch, the filling block 2 cannot contact with the notch, two adjacent outer side surfaces of the filling block 2 correspond to two inner side walls of the notch one by one (the two adjacent outer side surfaces of the filling block 2 correspond to the two corresponding inner side walls of the notch, the interval between the two adjacent outer side surfaces of the filling block 2 is preferably equal), the other two adjacent outer side surfaces are respectively flush with the two outer side surfaces of the notch formed in the hole digging glass 1, or extend out of the hole digging glass 1 (the other two side surfaces are not flush with the two corresponding outer side surfaces of the notch formed in the hole digging glass 1), and the upper top surface and the lower bottom surface of the filling block 2 are respectively flush with the upper top surface and the lower bottom surface of the hole digging glass 1.
Example four
Referring to fig. 4, the notch has three inner side walls (without an upper top surface and a lower bottom surface) which are adjacently arranged, such as a square shape, the filling block 2 has an upper top surface and a lower bottom surface which are oppositely arranged up and down and four outer side surfaces which are arranged between the upper top surface and the lower bottom surface, when the filling block 2 is placed at the notch, the filling block 2 cannot contact with the notch, the three adjacent outer side surfaces of the filling block 2 correspond to the three inner side walls of the notch one by one (the intervals between the three adjacent outer side surfaces of the filling block 2 and the three corresponding inner side walls of the notch are preferably equal), the other outer side surface is flush with the outer side surface of the notch of the hole digging glass 1, or extends out of the hole digging glass 1 (the other outer side surface is not flush with the outer side surface of the notch digging glass 1), and the upper top surface and the lower bottom surface of the filling block 2, The lower bottom surface is flush.
EXAMPLE five
Referring to fig. 5, the notch has an arc-shaped inner side wall, the filling block 2 has an arc-shaped outer side surface corresponding to the arc-shaped side wall of the notch, the filling block 2 further has two or more outer side surfaces corresponding to the outer side surfaces of the hole-digging glass 1 where the notch is formed, if two outer side surfaces are provided, the two side surfaces of the notch are respectively flush with the two outer side surfaces of the hole-digging glass 1 where the notch is formed, or extend out of the hole-digging glass 1 (the two inner side walls of the notch are not flush with the two outer side surfaces of the hole-digging glass 1 where the notch is formed), and the upper top surface and the lower bottom surface of the filling block 2 are respectively flush with the upper top surface and the lower bottom surface of the hole-digging glass 1.
In the above embodiment, if the filling block 2 is square, the length of the long side and the length of the wide side are both 30-100 mm.
Comparative example
The difference from the first embodiment is that: the gap of the hole digging glass 1 is not provided with a filling block 2.
The comparative experiment is carried out on the hole-digging glass 1 in the first embodiment and the comparative example, toughening is carried out under the same toughening condition, and after toughening, whether the hole-digging glass 1 is damaged or not and the number of the damaged holes are detected, wherein the detection results are as follows: in the comparative example, the hole digging glass 1 is obviously damaged, the damage quantity is large, and the damage rate of the hole digging glass 1 is 20 percent; in the first embodiment, the hole-digging glass 1 is not obviously damaged, the number of damaged holes is small, and the breakage rate of the hole-digging glass 1 is 3%, so that the filling block 2 is arranged, the expansion of microcracks caused by heat absorption at the notch of the glass can be reduced, and the glass breakage caused by stress concentration at the notch during tempering and cooling of the glass can be avoided.
According to the hole-digging glass toughening production method provided by the invention, the filling block with the same thickness and type is arranged at the notch of the hole-digging glass, so that the heat absorption of the chamfered part of the hole-digging glass in the heating process is reduced, the microcracks of the chamfered part are prevented from further expanding, the breakage and deformation of the hole-digging glass in the toughening production process are reduced, the hole-digging glass is not easy to break, the finished product rate is high, and the product quality is good.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.