CN111745554A - Sand blowing method and sand blowing protection clamp for observation window glass - Google Patents
Sand blowing method and sand blowing protection clamp for observation window glass Download PDFInfo
- Publication number
- CN111745554A CN111745554A CN202010615189.0A CN202010615189A CN111745554A CN 111745554 A CN111745554 A CN 111745554A CN 202010615189 A CN202010615189 A CN 202010615189A CN 111745554 A CN111745554 A CN 111745554A
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- Prior art keywords
- sand
- blowing
- observation window
- window glass
- blown
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sand blowing method and a sand blowing protection clamp for an observation window glass, wherein the sand blowing method comprises the following steps: attaching a protective adhesive tape to an area, which does not need sand blowing, on the sand blowing surface of the observation window glass; placing the observation window glass into a clamping groove formed in the upper end face of a protection clamp, enabling the sand blowing surface of the observation window glass and the upper end face of the protection clamp to be located on the same plane, and enabling the side face of the observation window glass to be tightly attached to the inner wall of the clamping groove; and blowing sand on the surface to be blown with sand. The invention can effectively prevent the problems of fine cracks, slag falling or collision damage at the edge of the glass, and ensure that the sand blowing quality of the observation window glass is improved.
Description
Technical Field
The invention belongs to the technical field of observation window glass surface treatment, and particularly relates to a sand blowing method and a sand blowing protection clamp for observation window glass.
Background
The glass observation window is an observation window for the lubricating oil level of the engine lubricating oil tank, and if the glass observation window of the engine lubricating oil tank breaks, the lubricating oil in the engine lubricating oil tank can leak gradually, so that the mechanical lubricating system is paralyzed, related parts and components are damaged, the engine cannot work normally, and the flight safety of an airplane is seriously influenced.
As shown in fig. 1, which is a schematic view of the viewing pane, the black part in fig. 1 is a black lacquer layer 102 on the side of the viewing pane 1. Through the analysis of the processing flow of the glass observation window, when the sand blowing and polishing treatment is carried out on the gluing position of the glass observation window, fine cracks, slag falling or collision damage are easily formed at the edge of the glass observation window in the sand blowing and cleaning processes. In the traditional method, an adhesive tape protection method is adopted during sand blowing, the adhesive tape is soft, the fragile edge of the glass cannot be well protected, when sand flows to the adhesive tape, the adhesive tape and the glass are bonded more tightly, and a paint layer on the side surface of the glass is easy to fall off during cleaning after sand blowing.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a sand blowing method and a sand blowing protection clamp for an observation window glass, which can effectively prevent the problems of fine cracks, slag falling or collision damage at the edge of the glass and ensure that the sand blowing quality of the observation window glass is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a method of blowing sand through an observation window, comprising:
attaching a protective adhesive tape to an area, which does not need sand blowing, on the sand blowing surface of the observation window glass;
placing the observation window glass into a clamping groove formed in the upper end face of a protection clamp, enabling the sand blowing surface of the observation window glass and the upper end face of the protection clamp to be located on the same plane, and enabling the side face of the observation window glass to be tightly attached to the inner wall of the clamping groove;
and blowing sand on the surface to be blown with sand.
Furthermore, a scribing tool is adopted to calibrate the area, which does not need to be blown with sand, on the surface to be blown with sand, and the scribing tool is the same as the area, which does not need to be blown with sand, on the surface to be blown with sand, in shape.
Further, before the observation window glass is placed in the clamping groove, the protective adhesive tape is attached to the inner wall of the clamping groove.
Further, before the sand blowing is carried out on the surface to be subjected to sand blowing, the protective adhesive tape is attached to the upper end face of the protective clamp.
Further, when the sand blowing is carried out on the surface to be blown with sand, the sand blowing pressure is 0.20-0.30 MPa, the sand blowing distance is 200-350 mm, and the sand blowing angle is larger than 45 degrees and smaller than 90 degrees.
Further, sand grains with the same granularity are adopted to blow sand on the surface to be blown, and the granularity of the sand grains is 100-140 meshes.
Furthermore, the thickness of the protective adhesive tape attached to the area, which does not need to be blown with sand, on the surface to be blown with sand is 0.3-0.5 mm.
Further, adopting 120-mesh fresh alumina sand grains to blow sand on the surface to be blown.
A sand blowing protection clamp is used in the sand blowing method of the observation window glass, a clamping groove is formed in the upper end face of the protection clamp, and the size of the clamping groove is matched with that of the observation window glass.
Further, the protection clamp comprises a first clamp body and a second clamp body, a first groove is formed in the first clamp body, a second groove is formed in the second clamp body, two ends of the first clamp body and two ends of the second clamp body are connected through bolts, and the first groove and the second groove form the clamping groove.
Compared with the prior art, the invention has at least the following beneficial effects: the sand blowing method of the observation window glass provided by the invention comprises the steps of firstly adopting a protective adhesive tape to protect an area which does not need sand blowing on the sand blowing surface of the observation window glass, then putting the observation window glass into a clamping groove formed in the upper end surface of a protective clamp, enabling the sand blowing surface of the observation window glass and the upper end surface of the protective clamp to be positioned on the same plane, enabling the side surface of the observation window glass to be tightly attached to the inner wall of the clamping groove, and finally blowing sand on the sand blowing surface. Compared with the traditional process, the sand blowing process avoids the problems that the protective adhesive tape is tightly bonded with a paint layer due to sand flow hitting the protective adhesive tape during sand blowing, and the paint layer is easy to fall off due to cleaning the adhesive tape after sand blowing, namely, the invention adopts a method of matching the protective adhesive tape and the protective clamp to protect the observation window glass, the side surface and the edge of the observation window glass are all accommodated in the clamping groove of the protective clamp, during sand blowing, sand cannot be blown to the side face and the edge of the observation window glass, so that the observation window glass is effectively protected, sand flow is prevented from being blown to the edge of the observation window glass and a paint layer on the side face during sand blowing, and the fault hidden dangers of micro cracks and collision damage caused by the fact that the paint layer at the edge of the observation window glass falls off are avoided.
Furthermore, the marking tool with the same shape as the area without sand blowing on the surface to be sand-blown is adopted to mark the area without sand blowing on the surface to be sand-blown, so that the method is convenient and quick, and the marking is accurate.
Furthermore, before the observation window glass is placed in the clamping groove, the protective adhesive tape is attached to the inner wall of the clamping groove, so that the process can effectively prevent friction between metal on the inner wall of the clamping groove and the observation window glass, and avoid the defects of micro scratches and the like on the surface of the observation window glass.
Furthermore, because the sand blowing process has a certain removing effect on metals, the protective adhesive tape is adopted on the upper surface of the sand blowing protective clamp for protection, the protective adhesive tape can be replaced periodically, the reduction of the size of the protective clamp tool caused by sand blowing can be prevented, the size of the clamping groove is ensured, and the service life of the sand blowing protective clamp is prolonged.
Furthermore, when sand blowing is carried out on the surface to be blown with sand, the sand blowing pressure is 0.20-0.30 MPa, the sand blowing distance is 200-350 mm, the sand blowing angle is larger than 45 degrees and smaller than 90 degrees, and the sand blowing quality can be ensured to be good when the sand is blown within the parameter range.
Furthermore, sand grains with the same granularity are adopted for blowing sand on the sand surface to be blown, the granularity of the sand grains is 100-140 meshes, the sand grain specification and the sand flow strength are ensured to be stable and consistent in the sand blowing process, the glass window glass is prevented from being cracked, and the glass sand blowing effect is ensured to be consistent.
Furthermore, the thickness of the protective adhesive tape attached to the area, which does not need to be blown with sand, on the surface to be blown with sand is 0.3-0.5 mm, so that the area, which does not need to be blown with sand, can be prevented from being damaged by sand flow, and an ideal sand surface can be obtained on the surface to be blown with sand.
A sand blowing protection clamp is composed of two detachable parts, so that the installation and matching of an observation window glass and the protection clamp are flexible, and the operation is convenient.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a view of the topography of a glazing;
FIG. 2 is a view of the appearance of the viewing window with the protective tape adhered to the front surface;
FIG. 3 is a scribe tool topography;
FIG. 4 is a sand-blasting protection jig topography;
FIG. 5 is a view of the sand-blasting protection jig after the protection tape is attached thereto;
FIG. 6 is a view of the appearance of a window glass clamped into a sand-blasting protection jig;
FIG. 7 is a schematic cross-sectional view of the clamping of the observation window glass into the sand-blasting protection jig;
FIG. 8 is a diagram showing the appearance of the observation window glass and the sand-blasting protection clamp after sand blasting;
FIG. 9 is a view of the appearance of the window glass after sand blasting and cleaning.
1-a sight glass; 101-sand surface to be blown; 102-a lacquer layer; 2-protecting the clamp; 201-a first gripper body; 202-a second gripper body; 3-a card slot; 301-a first groove; 302-a second groove; 4-protective tape; 5-scribing a tool; 6-bolt.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent 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.
As a specific embodiment of the invention, the sand blowing method for the observation window glass is provided aiming at the situation that the observation window glass cannot protect the glass in the traditional sand blowing process, and the protection method adopts the method of matching the protective adhesive tape 4 with the sand blowing protection clamp 2 for protection.
As shown in fig. 1, an observation window glass 1 to be sand-blasted, the black part of the side of the observation window glass 1 is a paint layer 102. As shown in fig. 4, firstly, a special sand-blasting protection clamp 2 is designed, a clamping groove 3 for assembling the observation window glass 1 is arranged on the upper end face of the protection clamp 2, the size of the clamping groove 3 must be consistent with the external dimension of the glass, and the size of the clamping groove 3 is matched with the size of the observation window glass 1. In this embodiment, as shown in fig. 4, the protection clamp 2 includes a first clamp body 201 and a second clamp body 202, a first groove 301 is formed on the first clamp body 201, a second groove 302 is formed on the second clamp body 202, two ends of the first clamp body 201 and the second clamp body 202 are connected through a bolt 6, and the first groove 301 and the second groove 302 form a clamping groove 3; preferably, the bolt 6 is a butterfly bolt, so that people can conveniently rotate and twist.
As shown in fig. 2 and 3, then, a scribing tool 5 is used for calibrating an area, which does not need sand blowing, on the sand surface 101 to be blown, the scribing tool 5 is the same as the area, which does not need sand blowing, on the sand surface 101 to be blown, the protective tape 4 is cut according to the shape of the scribing tool 5, the protective tape 4 is attached to the area, which does not need sand blowing, on the sand surface 101 to be blown of the observation window glass 1, in the embodiment, the protective tape 4 is attached to the middle position of the sand surface 101 to be blown of the glass, the thickness of the protective tape 4 attached to the area, which does not need sand blowing, on the sand surface 101 to be blown is 0.3-0.5 mm, and the protective tape 4 is made of;
as shown in fig. 5, the protective adhesive tape 4 is attached to the inner wall of the clamping groove 3 to prevent the side surface of the observation window glass 1 from rubbing against the inner wall of the clamping groove 3 to damage the observation window glass 1; preferably, in order to prevent sand from impacting the upper end surface of the protection clamp 2 to damage the protection clamp 2 during sand blowing, a protection tape 4 is attached to the upper end surface of the protection clamp 2;
as shown in fig. 6 and 7, the observation window glass 1 adhered with the protective tape 4 is placed into the clamping groove 3 of the sand-blasting protection clamp 2 for clamping, the whole observation window glass 1 is placed into the clamping groove 3, the height of the surface 101 to be sand-blasted of the observation window glass 1 is ensured to be consistent with that of the upper surface of the protection clamp 2, the bolts at two ends of the sand-blasting protection clamp 2 are screwed, sand flow is prevented from hitting the paint layer 102 at the edge and the side surface of the observation window glass 1, and the observation window glass 1 is effectively protected, that is, after the observation window glass 1 is placed into the clamping groove 3, the surface 101 to be sand-blasted of the observation window glass 1 and the upper end surface of the protection clamp 2 are positioned on the same plane, and the side surface of the observation window glass 1;
as shown in fig. 8, sand is blown to the sand blowing surface 101, specifically, during sand blowing, in order to prevent defects caused by different sand particle sizes on the machine body of the sand blowing surface, new sand particles with uniform specifications and the same particle size are adopted, the particle size of the sand particles is 100-140 meshes, meanwhile, the sand blowing pressure is strictly controlled to be 0.20-0.30 MPa, the sand blowing distance from the glass surface is 200-350 mm, and the sand blowing angle is greater than 45 degrees and smaller than 90 degrees. In this embodiment, 120-mesh new alumina sand is used to blow sand on the sand surface 101 to be blown, specifically, 100-mesh and 140-mesh screens are used to screen the new alumina, so as to filter out the alumina sand with unqualified particle size, thereby ensuring the consistency of the alumina sand. By the protection method and the process parameters, the hidden troubles of micro cracks and collision damages left at the edge of the observation window glass 1 and the falling of a paint layer on the side surface are avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method of blowing sand through an observation window, comprising:
attaching the protective adhesive tape (4) to an area, which does not need sand blowing, on the sand blowing surface (101) of the observation window glass (1);
placing the observation window glass (1) into a clamping groove (3) formed in the upper end face of a protection clamp (2), enabling the surface (101) to be sand-blown of the observation window glass (1) and the upper end face of the protection clamp (2) to be located on the same plane, and enabling the side face of the observation window glass (1) to be tightly attached to the inner wall of the clamping groove (3);
and blowing sand on the sand surface (101) to be blown.
2. A method of blowing sand through an observation window glass according to claim 1, wherein: and calibrating the area, which does not need to be blown with sand, on the sand surface (101) to be blown with sand by adopting a scribing tool (5), wherein the scribing tool (5) is the same as the area, which does not need to be blown with sand, on the sand surface (101) to be blown with sand in shape.
3. A method of blowing sand through an observation window glass according to claim 1, wherein: before the observation window glass (1) is placed in the clamping groove (3), the protective adhesive tape (4) is attached to the inner wall of the clamping groove (3).
4. A method of blowing sand through an observation window glass according to claim 1, wherein: before sand blowing is carried out on the sand surface (101) to be blown, the protective adhesive tape (4) is attached to the upper end face of the protective clamp (2).
5. A method of blowing sand through an observation window glass according to claim 1, wherein: when the sand surface (101) to be blown is blown, the sand blowing pressure is 0.20-0.30 MPa, the sand blowing distance is 200-350 mm, and the sand blowing angle is larger than 45 degrees and smaller than 90 degrees.
6. A method of blowing sand through an observation window glass according to claim 5, wherein: and blowing sand on the sand surface (101) to be blown by adopting sand grains with the same granularity, wherein the granularity of the sand grains is 100-140 meshes.
7. A method of blowing sand through an observation window glass according to claim 5, wherein: the thickness of the protective adhesive tape (4) attached to the area, which does not need to be subjected to sand blowing, on the surface (101) to be subjected to sand blowing is 0.3-0.5 mm.
8. A method of blowing sand through an observation window glass according to claim 6, wherein: and blowing sand on the surface (101) to be blown with 120-mesh new alumina sand grains.
9. A sand blowing protection clamp is characterized in that the sand blowing protection clamp is a protection clamp (2) used in the sand blowing method of the observation window glass of any one of claims 1 to 8, a clamping groove (3) is formed in the upper end face of the protection clamp (2), and the size of the clamping groove (3) is matched with that of the observation window glass (1).
10. The sand blowing protection clamp according to claim 9, wherein the protection clamp (2) comprises a first clamp body (201) and a second clamp body (202), a first groove (301) is formed in the first clamp body (201), a second groove (302) is formed in the second clamp body (202), two ends of the first clamp body (201) and two ends of the second clamp body (202) are connected through bolts (6), and the first groove (301) and the second groove (302) form the clamping groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615189.0A CN111745554A (en) | 2020-06-30 | 2020-06-30 | Sand blowing method and sand blowing protection clamp for observation window glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615189.0A CN111745554A (en) | 2020-06-30 | 2020-06-30 | Sand blowing method and sand blowing protection clamp for observation window glass |
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| Publication Number | Publication Date |
|---|---|
| CN111745554A true CN111745554A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010615189.0A Pending CN111745554A (en) | 2020-06-30 | 2020-06-30 | Sand blowing method and sand blowing protection clamp for observation window glass |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03221371A (en) * | 1990-01-20 | 1991-09-30 | Toyoda Gosei Co Ltd | Shot blast device |
| CN102009032A (en) * | 2010-09-21 | 2011-04-13 | 长春轨道客车股份有限公司 | Method for protecting seat positioning hole before reducing noise |
| CN202264152U (en) * | 2011-07-27 | 2012-06-06 | 张明亮 | End cover shot blasting tool |
| CN204248671U (en) * | 2014-11-21 | 2015-04-08 | 遵义市节庆机电有限责任公司 | A kind of circle ring parts blast protector |
| CN205310083U (en) * | 2016-02-01 | 2016-06-15 | 江苏南方轴承股份有限公司 | Local shield cover for sandblast |
| CN206287028U (en) * | 2016-12-23 | 2017-06-30 | 贵州黎阳航空动力有限公司 | A kind of blast shield jig |
| CN107620022A (en) * | 2016-07-14 | 2018-01-23 | 沈阳黎明国际动力工业有限公司 | A kind of shading tool for short axle part sealing teeth supersonic spray coating process |
| CN108993792A (en) * | 2018-08-28 | 2018-12-14 | 西安微电子技术研究所 | Outer framework protecting tool set-up and method when a kind of printing part sprays |
-
2020
- 2020-06-30 CN CN202010615189.0A patent/CN111745554A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03221371A (en) * | 1990-01-20 | 1991-09-30 | Toyoda Gosei Co Ltd | Shot blast device |
| CN102009032A (en) * | 2010-09-21 | 2011-04-13 | 长春轨道客车股份有限公司 | Method for protecting seat positioning hole before reducing noise |
| CN202264152U (en) * | 2011-07-27 | 2012-06-06 | 张明亮 | End cover shot blasting tool |
| CN204248671U (en) * | 2014-11-21 | 2015-04-08 | 遵义市节庆机电有限责任公司 | A kind of circle ring parts blast protector |
| CN205310083U (en) * | 2016-02-01 | 2016-06-15 | 江苏南方轴承股份有限公司 | Local shield cover for sandblast |
| CN107620022A (en) * | 2016-07-14 | 2018-01-23 | 沈阳黎明国际动力工业有限公司 | A kind of shading tool for short axle part sealing teeth supersonic spray coating process |
| CN206287028U (en) * | 2016-12-23 | 2017-06-30 | 贵州黎阳航空动力有限公司 | A kind of blast shield jig |
| CN108993792A (en) * | 2018-08-28 | 2018-12-14 | 西安微电子技术研究所 | Outer framework protecting tool set-up and method when a kind of printing part sprays |
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Application publication date: 20201009 |