CN210506066U - Curved glass tempering air grid - Google Patents
Curved glass tempering air grid Download PDFInfo
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- CN210506066U CN210506066U CN201921206997.0U CN201921206997U CN210506066U CN 210506066 U CN210506066 U CN 210506066U CN 201921206997 U CN201921206997 U CN 201921206997U CN 210506066 U CN210506066 U CN 210506066U
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- air
- flexible
- air grid
- glass
- air supply
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- 239000011521 glass Substances 0.000 title claims abstract description 62
- 238000005496 tempering Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000005341 toughened glass Substances 0.000 abstract description 14
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003313 weakening effect Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a glass tempering technical field, concretely relates to curved surface glass tempering air grid. The air grid is a flexible air grid with a through inner part, a plurality of air outlet holes and air inlets are formed in the flexible air grid, and the air outlet holes face to the glass to be processed; the air inlets are respectively communicated with all main air supply pipelines, the flexible air grid units are parallelly arranged between gaps of the flexible shaft roller way, the main air supply pipelines are positioned on one side, away from the glass to be processed, of the flexible air grid, the main air supply pipelines arranged in parallel and the flexible air grid units arranged in parallel project in the vertical direction to form a mutually staggered net shape, and the main air supply pipelines and the flexible air grid units are communicated with the air inlets from the projection intersection points. The air grid adopts a continuous air grid mechanism to replace an air grid consisting of discontinuous air boxes in the prior art, so that the problems of stress defects and strip-shaped air spots caused by air box gaps can be avoided when the curved surface toughened glass is processed, and the processing mode in the field is fundamentally changed.
Description
Technical Field
The invention relates to the technical field of flexible shaft bent glass tempering, in particular to a curved surface glass tempering air grid.
Background
Stress spots (commonly called wind spots) can be left on the glass due to uneven blowing in the glass toughening process, the tempered glass wind spots are taken as an index of appearance quality, and people pay more and more attention to the tempered glass wind spots. However, the formation of wind spots is complicated, and in addition to the need for uniform cooling across the width of the apparatus, it is also important to eliminate the formation of wind spots along the length of the apparatus. So far, the wind spot of the toughening furnace is still a flaw of the toughened glass, and people expect a better wind spot weakening technology to ensure that the toughened glass has better appearance.
The flexible shaft bent toughened glass toughening furnace consists of an upper sheet table, a heating furnace, a forming toughening unit, a lower sheet table and the like, and all working sections are connected by conveying roller ways with equal-height horizontal conveying surfaces to form a production line.
When the device works, glass is placed on the upper piece platform, the glass is conveyed into the heating furnace by the conveying roller way, is heated to a proper temperature, is conveyed to the forming and toughening unit by the roller way, is bent into a required shape in the unit, is blown, toughened and cooled by the air grid therein to form toughened glass, and finally is conveyed to the lower piece platform by the roller way to finish the production of the bent toughened glass.
The present flexible shaft bending and tempering forming mode is mainly characterized by that the flexible shaft roller table is bent in the direction perpendicular to conveying direction, and two ends of the flexible shaft group parallelly-arranged are equipped with arc-changing mechanisms which are parallel to the flexible shaft roller table along its axial direction. Two ends of a plurality of main air supply pipelines are respectively fixed with toothed plates on the arc changing mechanisms at corresponding positions, and the flexible shafts are vertically arranged with the main air supply pipelines; the main air supply pipeline is alternately provided with air boxes corresponding to the gaps of the flexible shafts, the inner cavities of the air boxes are communicated with the main air supply pipeline, and air flow is blown to the curved glass to be tempered from the air outlets of the air boxes through the air boxes. In order to ensure that the air is uniformly blown in the bending process, the prior art mostly adopts a mode of arranging a row of air boxes on the section bar for blowing, and the rows of air boxes are distributed between the gaps of the flexible shaft roller way. As shown in fig. 1, the main causes of stress spots are: by adopting the wind box and wind grid technology, when curved glass is processed, obvious stress spot marks can be left on the glass due to gaps between wind boxes, and the tempering strength, the attractiveness and the use effect of the glass are affected.
Disclosure of Invention
To the problem that there is obvious stress spot to lead to the reduction of glass tempering intensity in prior art tempering processing curved surface glass in the wind box clearance, this paper provides a curved surface glass tempering air grid, and its concrete technical scheme is:
the utility model provides a curved surface glass tempering air grid for the curved tempering of glass flexible axle, this air grid comprises one or more flexible air grid unit, flexible air grid unit is the flexible tubular structure of the flexible of inside lining up, set up a plurality of ventholes and the air intake that is linked together rather than the inner space on the flexible air grid unit, the venthole orientation is treated processing glass.
Furthermore, the air inlets are respectively communicated with the air outlet ends of the main air supply pipelines.
Furthermore, the flexible air grid units are arranged in parallel between gaps of the flexible shaft roller way, the main air supply pipeline is positioned on one side, away from the glass to be processed, of the flexible air grid units, the main air supply pipeline arranged in parallel and the flexible air grid units arranged in parallel are projected in the vertical direction to form a mutually staggered net shape, and the main air supply pipeline and the flexible air grid units are communicated through the air inlets from the projection intersection points; the arc changing mechanisms arranged at two ends of the main air supply pipeline which are arranged in parallel drive the flexible air grid unit to bend along with the arc changing mechanisms when the glass to be processed is bent and formed.
Further, the flexible air grid unit is a corrugated pipe.
Furthermore, the included angle between the main air supply pipeline arranged in parallel and the plurality of flexible air grid units arranged in parallel on the vertical projection plane is 90 degrees.
Furthermore, a plurality of main air supply pipelines are arranged in parallel at intervals along the horizontal plane and perpendicular to the glass conveying direction, a plurality of air supply outlets are formed in the main air supply pipelines, the air supply outlets and the air inlets are connected through connecting pieces, and two axial end parts of the flexible air grid unit are respectively connected with the main air supply pipelines arranged on the left side and the right side of the tempering section.
Further, the flexible air grid unit is cylindrical or prismatic.
The air grid adopts a continuous air grid mechanism to replace an air grid consisting of discontinuous air boxes in the prior art, so that the problem of stress defect caused by air box gaps can be avoided when the curved surface toughened glass is processed. Fundamentally changes the processing mode in the field, and is a prior-drive progress.
Drawings
FIG. 1 is a schematic view of a split wind box for tempering curved glass in the prior art;
FIG. 2 is a schematic view of a bent state of the structure of FIG. 1 when processing glass;
FIG. 3 is a schematic plan view of the assembly of the flexible air grid unit and the main supply duct;
FIG. 4 is a schematic view of a bent state of the structure of FIG. 3 when processing glass;
FIG. 5 is a schematic perspective view of the main supply duct and the flexible grid unit;
reference numerals: the air conditioner comprises a main air supply pipeline 1, a flexible air grid unit 2, an air inlet 21 and an air outlet 22.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 2, the prior art is mostly split type wind boxes, and a gap between the wind boxes can form stress spots on the surface of glass to be processed. The rectangular frame in fig. 2 is a main air supply pipeline 1, air flow blows to an air box of a trapezoidal part in the figure from the main air supply pipeline, and the air box is communicated with the main air supply pipeline 1. The structures are arranged on the upper surface and the lower surface of the curved glass to be processed.
A method for eliminating weakening stress spots of a curved glass tempering air grid comprises the following steps: the communicated continuous and uniformly bendable air grid structure is used for replacing the existing split type air grid structure with gaps, so that stress spots which are caused by the gaps and are presented on the surface of the curved toughened glass and correspond to the positions of the gaps of the split type air grid can be eliminated.
Example 1
When processing toughened glass, the main air supply duct 1 and the flexible air grid unit 2 are arranged as shown in fig. 5, and arc changing mechanisms are arranged at two ends of the main air supply duct (for the arc changing mechanisms, please refer to a glass bending forming mechanism in CN 201220306623.8). When the arc-changing mechanism is bent, the flexible wind grid unit 2 changes the radian along with the bending.
The embodiment provides a curved surface glass tempering air grid, refer to fig. 3 for the curved glass tempering of flexible axle, this air grid comprises one or more flexible air grid unit 2, and flexible air grid unit 2 is the flexible tubular structure of inside flexible that link up, has seted up a plurality of ventholes 22 and the air intake 21 that are linked together rather than the inner space on the flexible air grid unit 2, and venthole 22 is towards treating processing glass.
The air inlets 21 are respectively communicated with the air outlet ends of the main air supply pipelines 1.
When the air blowing structure is used, the flexible air grid units 2 are arranged on the upper surface and the lower surface of curved glass to be processed, air is blown to the glass to be processed through the structure, and referring to fig. 4, the upper surface and the lower surface of the glass can be tempered.
The embodiment shows a flexible air grid mechanism applied to curved glass tempering, and as the whole flexible tubular structure with communicated inner parts can be uniformly deformed along with an arc-changing mechanism, the technical scheme of the flexible air grid mechanism can not generate the phenomenon that air spots exist in the air box gap shown by a wind box or an equivalent substitute of the wind box in the prior art, and has a remarkable stress spot weakening effect for the curved glass tempering process.
It should be noted that, the flexible air grid unit 2 is tubular, two ends of which may not be closed, and is used as an air inlet 21 to blow air from two ends to the inner space thereof, and the air flow is blown out from the air outlet 22 to blow to the glass to be processed.
It should be further noted that both axial ends of the flexible air grid unit 2 can be of a closed structure, so as to ensure that the air flow can only be blown out through the air outlet holes in the flexible air grid unit 2; the flexible air grid unit 2 with a through inner part and a closed end part can be directly and integrally manufactured during production; or the main structure of the flexible air grid unit and the end part can be combined in a split way, the main structure of the flexible air grid unit 2 with the end part not closed is firstly manufactured, and then the end part is sealed at the two axial ends by plugs, bolts, cover plates and other modes.
It should be noted that, in the prior art, the main air supply duct and the section bar for supporting the flexible air grid adopt a combined structure, and the two parts can also be functionally separated, that is, the flexible air grid is independently provided with a support meeting the requirements of an arc-changing mechanism, and meanwhile, the two ends of the flexible air grid are ventilated.
Each tubular flexible air grid unit and the arc-variable mechanism are synchronously bound, and the bending curve of each flexible air grid unit is adjusted according to the identification, so that different product requirements are met.
Example 2
The embodiment provides a parallel embodiment of a flexible air grid, a plurality of flexible air grid units 2 are arranged in parallel between gaps of a flexible shaft roller way, a main air supply pipeline 1 is positioned on one side of each flexible air grid unit 2 far away from glass to be processed, the main air supply pipeline 1 arranged in parallel and a plurality of flexible air grid units 2 arranged in parallel are projected in the vertical direction to form a mutually staggered net shape, and the main air supply pipeline 1 is communicated with the flexible air grid units 2 from the projection intersection point to form an air inlet 21, and reference is made to fig. 5; the arc changing mechanisms arranged at two ends of the main air supply pipeline 1 which are arranged in parallel drive the flexible air grid unit 2 to bend along with the arc changing mechanisms when the glass to be processed is bent and formed. The upper surface and the lower surface of the curved glass to be processed are both provided with the structure of the flexible air grid unit 2, and referring to fig. 4, the upper surface and the lower surface of the glass can be toughened.
The embodiment shows a flexible air grid mechanism applied to curved glass tempering, the technical scheme of the flexible air grid mechanism can hardly cause the phenomenon that air spots exist in gaps among air boxes or equivalent substitutes of the air boxes in the prior art, and the flexible air grid mechanism has a remarkable stress spot weakening effect for a curved glass tempering processing technology.
It should be noted that, because the arc-changing mechanism is linked with the main air supply duct when in the working state, the arc-changing mechanism is not completely in the state of absolute parallel with each other when in the working state.
Example 3
The present embodiment is further limited on the basis of embodiment 1, and the flexible air grid unit 2 is a metal corrugated pipe. The included angle between the main air supply pipeline 1 arranged in parallel and the plurality of flexible air grid units 2 arranged in parallel on the vertical projection plane is 90 degrees.
This embodiment presents a specific application, using a metal bellows as the flexible grid element 2. In practical application, the corrugated pipe made of materials such as nonmetal can be selected according to requirements, and a limit is given to a specific arrangement included angle of the main air supply pipeline 1 and the flexible air grid unit 2. Any adjustable angle can be adopted according to the processing requirement, and only an application example is given here. The air supply outlet is arranged in a rivet riveting mode. The caliber of the air supply outlet is as follows: 2-10 mm.
It should be noted that the reference means in the claims are not limited to the reference relationships, and those skilled in the art can freely combine the dependent claims in the knowledge of the present specification, and all the embodiments corresponding to all the permutation and combination are within the protection scope of the present invention.
Example 4
The embodiment provides a connection relation as a parallel embodiment of embodiment 2, a plurality of main air supply pipelines 1 are arranged in parallel at intervals along a horizontal plane perpendicular to a glass conveying direction, the main air supply pipelines 1 are provided with a plurality of air supply outlets 11, the air supply outlets 11 are connected with air inlets 21 through connecting pieces, two axial end parts of a flexible air grid unit 2 are respectively connected with the main air supply pipelines 1 arranged on the left side and the right side of a tempering section, and the flexible air grid unit 2 is cylindrical or prismatic. The two axial ends of the flexible air grid unit 2 are of closed structures. The outer surface of the flexible wind fence unit 2 can withstand at least 150 ℃.
Example 5
Referring to table 1, in order to apply the prior art and the stress performance of the air grid for processing the toughened glass, four points of A/B/C/D at the wind spot of the toughened glass of the prior art are taken to measure the pressure stress; the compressive stress is tested by using the device to process a/b/c/d four points on curved toughened glass. Reducing the surface pressure stress at the wind spot; the surface compressive stress of the glass is about 98-103MPa generally in the experiment, but the wind spot is 5-10MPa lower than the parts. Data in this experiment: the surface compressive stress of other places is 100 MPa, and the lowest part of the surface compressive stress of the strip-shaped wind spot which appears in the processing of the old equipment is 89.4 MPa; the wind spot part applying the technology has extremely small stress reduction degree, is stabilized in the range of 4MPa and extremely close to 3MPa, and improves the toughening strength of the glass, thereby having a certain leap.
TABLE 1
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a curved surface glass tempering air grid for the curved tempering of glass flexible axle, a serial communication port, including flexible air grid, flexible air grid comprises one or more flexible air grid unit, flexible air grid unit is the flexible tubular structure of the flexible of inside lining up, set up a plurality of ventholes and the air intake that is linked together rather than the inner space on the flexible air grid unit, the venthole orientation is treated processing glass.
2. The curved glass tempering air grid according to claim 1, wherein said air inlet is respectively communicated with the air outlet end of each main air supply duct.
3. The curved glass tempering air grid according to claim 2, wherein a plurality of flexible air grid units are arranged in parallel between gaps of a flexible shaft roller way, the main air supply pipeline is positioned on one side of the flexible air grid units away from glass to be processed, the main air supply pipeline arranged in parallel and the plurality of flexible air grid units arranged in parallel are projected in the vertical direction to form a mutually staggered net shape, and the main air supply pipeline is communicated with the flexible air grid units at the self-projection intersection point through the air inlets; the arc changing mechanisms arranged at two ends of the main air supply pipeline which are arranged in parallel drive the flexible air grid unit to bend along with the arc changing mechanisms when the glass to be processed is bent and formed.
4. The curved surface glass tempering air grid according to any of claims 1, 2 or 3, wherein said flexible grid unit is a corrugated pipe.
5. The curved surface glass tempering air grid according to any one of claims 2 or 3, wherein an included angle between a main air supply pipeline arranged in parallel and a plurality of flexible air grid units arranged in parallel on a vertical projection plane is 90 degrees.
6. The curved glass tempering air grid according to any one of claims 2 or 3, wherein a plurality of said main air supply ducts are arranged in parallel and spaced along a horizontal plane perpendicular to the glass conveying direction, said main air supply ducts are provided with a plurality of air supply ports, said air supply ports are connected with said air inlet through a connecting member, and two axial ends of said flexible air grid unit are respectively connected with the main air supply ducts arranged on the left and right sides of the tempering section.
7. The curved-surface glass tempering air grid according to claim 1, wherein two axial ends of said flexible air grid unit are closed structures.
8. The curved glass reinforced plastic air grid according to any one of claims 1, 2 or 7, wherein the flexible air grid unit is cylindrical or prismatic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206997.0U CN210506066U (en) | 2019-07-29 | 2019-07-29 | Curved glass tempering air grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206997.0U CN210506066U (en) | 2019-07-29 | 2019-07-29 | Curved glass tempering air grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210506066U true CN210506066U (en) | 2020-05-12 |
Family
ID=70586173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921206997.0U Withdrawn - After Issue CN210506066U (en) | 2019-07-29 | 2019-07-29 | Curved glass tempering air grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210506066U (en) |
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2019
- 2019-07-29 CN CN201921206997.0U patent/CN210506066U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200512 Effective date of abandoning: 20231220 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200512 Effective date of abandoning: 20231220 |