CN111890066A - Machining method for deburring hollow shaft - Google Patents
Machining method for deburring hollow shaft Download PDFInfo
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- CN111890066A CN111890066A CN202010640984.5A CN202010640984A CN111890066A CN 111890066 A CN111890066 A CN 111890066A CN 202010640984 A CN202010640984 A CN 202010640984A CN 111890066 A CN111890066 A CN 111890066A
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- hollow shaft
- deburring
- hollow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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Abstract
The invention discloses a processing method for removing burrs of a hollow shaft, which comprises the following steps of S1: the invention relates to the technical field of hollow shaft machining, and discloses a hollow shaft machining method. This a processing method for hollow shaft deburring, the burr of removing the hollow shaft inner wall through the steel shot that the high pressure was spun is adopted to the peening machine, deburring is effectual, and the indefinite point type of peening machine spray gun and hollow shaft inner wall sprays, improvement deburring efficiency that can be very big, cooperation burr machine is to hollow shaft outer wall burring, guarantee that the inside and outside surface burr of hollow shaft gets rid of thoroughly, and the hollow shaft after the deburring carries out defect detection, avoid causing the defect that exceeds standard because hollow shaft burring's in-process mandrel, influence its performance.
Description
Technical Field
The invention relates to the technical field of hollow shaft machining, in particular to a machining method for deburring a hollow shaft.
Background
Deburring, namely removing thorn-shaped objects or flash formed at the intersection of the surfaces of the parts; the harmfulness of the burrs is particularly obvious, people pay more attention to the harmfulness of the burrs gradually, and research on a generation mechanism and a removal method of the burrs is started. Burrs on mechanical parts are caused by plastic deformation in the cutting process; some are flashes for casting, die forging, etc., and some are welding extrusion residues. With the improvement of industrialization and automation degree, in the field of mechanical processing, particularly in the fields of aviation, aerospace and instruments and meters, the manufacturing precision requirement of mechanical parts is improved, the mechanism design is miniaturized, the harmfulness of burrs is particularly obvious, people gradually pay attention to the generation mechanism and the removal method of the burrs, and research is started on the generation mechanism and the removal method of the burrs.
The existing hollow shaft deburring processing is mainly to perform deburring processing on the inner surface and the outer surface of a hollow shaft by using a deburring machine, but due to the space limitation of the inner wall of the hollow shaft, the deburring effect of the inner wall of the hollow shaft is poor, and meanwhile, the surface defect of the hollow shaft exceeds the standard in the deburring process of the hollow shaft, and the use performance of the hollow shaft can be influenced by not performing secondary processing.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a processing method for deburring of a hollow shaft, which solves the problems that the deburring effect of the inner wall is poor due to the space limitation of the inner wall of the hollow shaft and the surface defect exceeds the standard in the deburring process cannot be found in time in the traditional deburring processing of the hollow shaft.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a processing method for deburring a hollow shaft specifically comprises the following steps:
s1, processing and cleaning: firstly, a hollow shaft blank is sent into a numerical control vehicle for processing, the hollow shaft is placed on a roller conveying line after the processing is finished, the roller conveying line stops working when a displacement sensor at the outlet of the roller conveying line detects the hollow shaft, and at the moment, an air amplifier blows redundant scrap iron generated during the processing of the inner surface and the outer surface of the hollow shaft to a pipeline for collecting the scrap iron;
s2, deburring of the inner wall: at the moment, a transport vehicle is used for transporting the hollow shaft to a processing machine frame for fixing, then the inner surface of the hollow shaft is rapidly cooled, so that burrs on the inner surface of the hollow shaft are rapidly embrittled, a shot blasting machine is adopted, a jet orifice of a shot blasting machine spray gun is opposite to the inner surface of the hollow shaft, the shot blasting machine spray gun forms non-fixed-point shot steel shots, and the steel shots are sprayed into the inner surface of the hollow shaft;
s3, deburring of the outer wall: then taking the hollow shaft in the step S2 off the rack, conveying the hollow shaft to the position of a deburring machine by using a roller conveying line, removing burrs on the outer surface of the hollow shaft by using the deburring machine, conveying the cleaned hollow shaft to a detection area by using the roller conveying line, and waiting for defect detection of the hollow shaft;
s4, defect detection: after the hollow shaft in the S3 is cleaned, the inner surface and the outer surface of the hollow shaft are subjected to phased array detection, if the standard exceeding defect is found, the hollow shaft needs to be subjected to secondary processing, if the standard exceeding defect is not found, the hollow shaft is conveyed to a discharge port of a roller conveying line and is finally placed into a finished hollow shaft box;
s5, secondary processing: and finally, conveying the hollow shaft with the standard exceeding defect into a numerical control vehicle through a roller conveying line for secondary processing, repeating the operation on the hollow shaft subjected to the secondary processing, and storing the hollow shaft into a finished product box without the standard exceeding defect, otherwise, scrapping the finished product.
Preferably, when the displacement sensor detects the hollow shaft in S1, the pause time of the roller conveying line is controlled to be 20-30S.
Preferably, the excessive scrap iron of the pipeline for collecting the scrap iron is blown in the S1 and falls into the scrap iron box through the pipeline for collection.
Preferably, when the shot-blasting machine spray gun in the step S2 forms the shot with the indefinite point, the position of the shot is manually controlled.
Preferably, when the inner surface of the hollow shaft is rapidly cooled in S2, the temperature of the inner surface of the hollow shaft is controlled to be-5 ℃.
Preferably, the diameter of the steel shot sprayed by the spray gun of the shot blasting machine in the S2 is 0.2-0.4mm, and the spraying time of the steel shot is 2-3 min.
Preferably, when the burr on the outer surface of the hollow shaft is removed by the burr removing machine in the S3 process, the roughness Ra of the surface is less than 0.01.
Preferably, when the phased array inspection is performed on the inner surface and the outer surface of the hollow shaft in S4, the defect superscript value is greater than 0.01%.
(III) advantageous effects
The invention provides a processing method for deburring a hollow shaft. Compared with the prior art, the method has the following beneficial effects: according to the processing method for removing the burrs of the hollow shaft, the burrs are removed from the inner wall at S2: at the moment, a transport vehicle is used for transporting the hollow shaft to a processing machine frame for fixing, then the inner surface of the hollow shaft is rapidly cooled, so that burrs on the inner surface of the hollow shaft are rapidly embrittled, a shot blasting machine is adopted, a jet orifice of a shot blasting machine spray gun is opposite to the inner surface of the hollow shaft, the shot blasting machine spray gun forms non-fixed-point shot steel shots, and the steel shots are sprayed into the inner surface of the hollow shaft; s3, deburring of the outer wall: then taking the hollow shaft in the step S2 off the rack, conveying the hollow shaft to the position of a deburring machine by using a roller conveying line, removing burrs on the outer surface of the hollow shaft by using the deburring machine, conveying the cleaned hollow shaft to a detection area by using the roller conveying line, and waiting for defect detection of the hollow shaft; s4, defect detection: after the hollow shaft in the S3 is cleaned, the inner surface and the outer surface of the hollow shaft are subjected to phased array detection, if an overproof defect is found, the hollow shaft needs to be subjected to secondary processing, if the overproof defect is not found, the hollow shaft is conveyed to a discharge port of a roller conveying line and finally placed into a hollow shaft finished product box, burrs on the inner wall of the hollow shaft are removed through a steel shot sprayed by high pressure by a shot blasting machine, the deburring effect is good, the deburring efficiency can be greatly improved by the aid of the indefinite-point spraying of a spray gun of the shot blasting machine and the inner wall of the hollow shaft, the outer wall of the hollow shaft is deburred by the aid of the deburring machine, the burrs on the inner surface and the outer surface of the hollow shaft are thoroughly removed, the defect detection is carried out on the hollow shaft after the burrs are removed, the overproof defect on the hollow, but also ensures the service performance of the hollow shaft.
Drawings
FIG. 1 is a flow chart of a hollow shaft deburring process according to the present invention;
FIG. 2 is a table comparing the deburring of a hollow shaft according to the present invention with the deburring of a conventional hollow shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: a processing method for deburring a hollow shaft specifically comprises the following steps:
s1, processing and cleaning: firstly, a hollow shaft blank is sent into a numerical control vehicle for processing, the hollow shaft is placed on a roller conveying line after the processing is finished, the roller conveying line stops working when a displacement sensor at the outlet of the roller conveying line detects the hollow shaft, and at the moment, an air amplifier blows redundant scrap iron generated during the processing of the inner surface and the outer surface of the hollow shaft to a pipeline for collecting the scrap iron;
s2, deburring of the inner wall: at the moment, a transport vehicle is used for transporting the hollow shaft to a processing machine frame for fixing, then the inner surface of the hollow shaft is rapidly cooled, so that burrs on the inner surface of the hollow shaft are rapidly embrittled, a shot blasting machine is adopted, a jet orifice of a shot blasting machine spray gun is opposite to the inner surface of the hollow shaft, the shot blasting machine spray gun forms non-fixed-point shot steel shots, and the steel shots are sprayed into the inner surface of the hollow shaft;
s3, deburring of the outer wall: then taking the hollow shaft in the step S2 off the rack, conveying the hollow shaft to the position of a deburring machine by using a roller conveying line, removing burrs on the outer surface of the hollow shaft by using the deburring machine, conveying the cleaned hollow shaft to a detection area by using the roller conveying line, and waiting for defect detection of the hollow shaft;
s4, defect detection: after the hollow shaft in the S3 is cleaned, the inner surface and the outer surface of the hollow shaft are subjected to phased array detection, if the standard exceeding defect is found, the hollow shaft needs to be subjected to secondary processing, if the standard exceeding defect is not found, the hollow shaft is conveyed to a discharge port of a roller conveying line and is finally placed into a finished hollow shaft box;
s5, secondary processing: and finally, conveying the hollow shaft with the standard exceeding defect into a numerical control vehicle through a roller conveying line for secondary processing, repeating the operation on the hollow shaft subjected to the secondary processing, and storing the hollow shaft into a finished product box without the standard exceeding defect, otherwise, scrapping the finished product.
In the invention, when the displacement sensor in S1 detects the hollow shaft, the pause time of the roller conveying line is controlled to be 20-30S.
In the invention, the excess scrap iron in the pipeline for collecting scrap iron is blown in S1 and falls into the scrap iron box through the pipeline for collection.
In the present invention, when the shot-blasting machine lance in S2 forms the shot with an indefinite spot, the shot position needs to be manually controlled.
In the invention, when the inner surface of the hollow shaft is rapidly cooled in S2, the temperature of the inner surface of the hollow shaft is controlled at-5 ℃.
In the invention, the diameter of the steel shot sprayed by the spray gun of the shot blasting machine in S2 is 0.2-0.4mm, and the spraying time of the steel shot is 2-3 min.
In the invention, when the burr on the outer surface of the hollow shaft is removed by the burr removing machine in S3, the surface roughness Ra is less than 0.01.
In the invention, when the inner and outer surfaces of the hollow shaft are subjected to phased array detection in S4, the defect superscript value is more than 0.01%.
Comparative experiment
As can be seen from FIG. 2, the roughness Ra of the surface of the hollow shaft deburring method is 0.008, and the roughness Ra of the surface of the common hollow shaft deburring method is 0.035, so that the quality of the finished product of the hollow shaft deburring method is far better than that of the finished product of the common hollow shaft deburring method.
In conclusion, the shot blasting machine is adopted to remove burrs on the inner wall of the hollow shaft through the steel shots sprayed by high pressure, the deburring effect is good, the deburring efficiency can be greatly improved by spraying the shot blasting machine with an indefinite point mode on the inner wall of the hollow shaft, the deburring machine is matched to deburr the outer wall of the hollow shaft, the burrs on the inner surface and the outer surface of the hollow shaft are thoroughly removed, defect detection is carried out on the deburred hollow shaft, the defect that the hollow shaft exceeds the standard in the deburring process of the hollow shaft is avoided, the use performance of the hollow shaft is not affected, the deburring effect of the hollow shaft is improved, and the use performance of the hollow shaft.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A processing method for deburring a hollow shaft is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, processing and cleaning: firstly, a hollow shaft blank is sent into a numerical control vehicle for processing, the hollow shaft is placed on a roller conveying line after the processing is finished, the roller conveying line stops working when a displacement sensor at the outlet of the roller conveying line detects the hollow shaft, and at the moment, an air amplifier blows redundant scrap iron generated during the processing of the inner surface and the outer surface of the hollow shaft to a pipeline for collecting the scrap iron;
s2, deburring of the inner wall: at the moment, a transport vehicle is used for transporting the hollow shaft to a processing machine frame for fixing, then the inner surface of the hollow shaft is rapidly cooled, so that burrs on the inner surface of the hollow shaft are rapidly embrittled, a shot blasting machine is adopted, a jet orifice of a shot blasting machine spray gun is opposite to the inner surface of the hollow shaft, the shot blasting machine spray gun forms non-fixed-point shot steel shots, and the steel shots are sprayed into the inner surface of the hollow shaft;
s3, deburring of the outer wall: then taking the hollow shaft in the step S2 off the rack, conveying the hollow shaft to the position of a deburring machine by using a roller conveying line, removing burrs on the outer surface of the hollow shaft by using the deburring machine, conveying the cleaned hollow shaft to a detection area by using the roller conveying line, and waiting for defect detection of the hollow shaft;
s4, defect detection: after the hollow shaft in the S3 is cleaned, the inner surface and the outer surface of the hollow shaft are subjected to phased array detection, if the standard exceeding defect is found, the hollow shaft needs to be subjected to secondary processing, if the standard exceeding defect is not found, the hollow shaft is conveyed to a discharge port of a roller conveying line and is finally placed into a finished hollow shaft box;
s5, secondary processing: and finally, conveying the hollow shaft with the standard exceeding defect into a numerical control vehicle through a roller conveying line for secondary processing, repeating the operation on the hollow shaft subjected to the secondary processing, and storing the hollow shaft into a finished product box without the standard exceeding defect, otherwise, scrapping the finished product.
2. A machining method for deburring of hollow shafts according to claim 1, characterized in that: and when the displacement sensor detects the hollow shaft in the S1, the pause time of the roller conveying line is controlled to be 20-30S.
3. A machining method for deburring of hollow shafts according to claim 1, characterized in that: and in the S1, the redundant scrap iron of the pipeline for collecting the scrap iron is blown off and falls into the scrap iron box through the pipeline for collection.
4. A machining method for deburring of hollow shafts according to claim 1, characterized in that: when the shot-blasting machine spray gun in the S2 forms the steel shot sprayed at the indefinite point, the position of the steel shot spraying needs to be manually controlled.
5. A machining method for deburring of hollow shafts according to claim 1, characterized in that: and when the inner surface of the hollow shaft is rapidly cooled in the S2, controlling the temperature of the inner surface of the hollow shaft to be-5 ℃.
6. A machining method for deburring of hollow shafts according to claim 1, characterized in that: the diameter of the steel shot sprayed by the spray gun of the shot blasting machine in the S2 is 0.2-0.4mm, and the spraying time of the steel shot is 2-3 min.
7. A machining method for deburring of hollow shafts according to claim 1, characterized in that: when the burr on the outer surface of the hollow shaft is removed completely by the burr removing machine in the S3 process, the surface roughness Ra is less than 0.01.
8. A machining method for deburring of hollow shafts according to claim 1, characterized in that: when the inner surface and the outer surface of the hollow shaft are subjected to phased array detection in the S4, the defect superscript value is more than 0.01 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010640984.5A CN111890066A (en) | 2020-07-06 | 2020-07-06 | Machining method for deburring hollow shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010640984.5A CN111890066A (en) | 2020-07-06 | 2020-07-06 | Machining method for deburring hollow shaft |
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| CN111890066A true CN111890066A (en) | 2020-11-06 |
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| CN202010640984.5A Pending CN111890066A (en) | 2020-07-06 | 2020-07-06 | Machining method for deburring hollow shaft |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232103A (en) * | 1989-05-22 | 1990-12-05 | Nippon Sangyo Kikai Hanbai Co | De-burring steering wheels |
| JP2009148842A (en) * | 2007-12-19 | 2009-07-09 | Hitachi Ltd | Deburring method and device of hollow shaft |
| CN105328575A (en) * | 2015-10-30 | 2016-02-17 | 广东长盈精密技术有限公司 | Freezing deburring technology and freezing deburring system |
| CN105643474A (en) * | 2016-01-21 | 2016-06-08 | 嘉兴市新望机械制造有限公司 | Deburring method for crankshaft for refrigerator compressor |
| CN107717132A (en) * | 2017-09-29 | 2018-02-23 | 成都九鼎科技(集团)有限公司 | Deburred for shock absorber processing detects numerical control all-in-one |
| CN108480986A (en) * | 2018-05-29 | 2018-09-04 | 靖江市佳佳工程机械制造有限公司 | A kind of apparatus assembly and processing method removing flash removed for hollow shaft |
| CN108844964A (en) * | 2018-08-23 | 2018-11-20 | 江苏森蓝智能系统有限公司 | A kind of vision inspection apparatus for copper bar hole bur quality |
| CN109531434A (en) * | 2018-12-26 | 2019-03-29 | 富乐压铸(太仓)有限公司 | A kind of processing method of inertia disk freezing deburring |
-
2020
- 2020-07-06 CN CN202010640984.5A patent/CN111890066A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232103A (en) * | 1989-05-22 | 1990-12-05 | Nippon Sangyo Kikai Hanbai Co | De-burring steering wheels |
| JP2009148842A (en) * | 2007-12-19 | 2009-07-09 | Hitachi Ltd | Deburring method and device of hollow shaft |
| CN105328575A (en) * | 2015-10-30 | 2016-02-17 | 广东长盈精密技术有限公司 | Freezing deburring technology and freezing deburring system |
| CN105643474A (en) * | 2016-01-21 | 2016-06-08 | 嘉兴市新望机械制造有限公司 | Deburring method for crankshaft for refrigerator compressor |
| CN107717132A (en) * | 2017-09-29 | 2018-02-23 | 成都九鼎科技(集团)有限公司 | Deburred for shock absorber processing detects numerical control all-in-one |
| CN108480986A (en) * | 2018-05-29 | 2018-09-04 | 靖江市佳佳工程机械制造有限公司 | A kind of apparatus assembly and processing method removing flash removed for hollow shaft |
| CN108844964A (en) * | 2018-08-23 | 2018-11-20 | 江苏森蓝智能系统有限公司 | A kind of vision inspection apparatus for copper bar hole bur quality |
| CN109531434A (en) * | 2018-12-26 | 2019-03-29 | 富乐压铸(太仓)有限公司 | A kind of processing method of inertia disk freezing deburring |
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Application publication date: 20201106 |