CN104722665A - Thin-walled-tube flaring device and use method thereof - Google Patents
Thin-walled-tube flaring device and use method thereof Download PDFInfo
- Publication number
- CN104722665A CN104722665A CN201510161207.1A CN201510161207A CN104722665A CN 104722665 A CN104722665 A CN 104722665A CN 201510161207 A CN201510161207 A CN 201510161207A CN 104722665 A CN104722665 A CN 104722665A
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- CN
- China
- Prior art keywords
- light
- wall pipe
- expanding device
- enlarging
- pipe expanding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention relates to the field of machining, in particular to a thin-walled-tube flaring device and a use method thereof. The problems that an existing flaring device can not carry out flaring and is poor in flaring quality and high in use cost are solved. The thin-walled-tube flaring device comprises a blade part, a correcting part, a wrench part, a standard part and a fixing part. The whole thin-walled-tube flaring device is cylindrical, a through hole is formed in the center of the thin-walled-tube flaring device, and the thin-walled-tube flaring device is integrally formed through machining. The thin-walled-tube flaring device is simple in structure and convenient to operate, thin-walled-tube flaring work can be completed on a common lathe, parts can be detected at any time in the machining process, the deformed condition of the parts can be controlled, the out-of-tolerance phenomenon and the scrapping phenomenon can be avoided, the part machining percent of pass can be increased, the production efficiency can be improved, and the production cost is saved.
Description
Technical field
The present invention relates to field of machining, particularly a kind of light-wall pipe expanding device and using method thereof.
Background technology
The turnup pipe of certain crash proof seat has energy absorption device, and needs to carry out enlarging as the core component of this energy absorption device and the part of core structure portion, is connected with the outer tube load pipe of energy absorption device by flared part.If enlarging does not reach size, there is comparatively wide arc gap when being just connected with load pipe, easily cause between inner and outer pipes and produce larger malalignment, when stressed stretching, the inwall of part easily comes in contact and causes frictional force to increase, and affects energy-absorbing effect.In addition, a set of crash proof seat product only needs this part, belongs to single-piece production category.Common enlarging way comprises:
(1) utilize punch press, drift installed by punch press, part is fixed on work top, and drift moves downward, and makes part material extrusion complete enlarging;
(2) on special pipe-expanding machine, complete part flaring process, the method is applicable to batch production.
But above-mentioned part is double-layer thin wall tubular construction, interior pipe is than outer pipe range, and utilize punch die to operate, and carry out drift test to mono-layer tube, because tube wall is thin, during enlarging, pipe is easy to crack, and above-mentioned first method therefore can not be adopted to carry out enlarging.Further, the processing of this part belongs to disposable jobbing work category, and model, specification are many, buy special pipe-expanding machine costly, therefore consider from economy, is also not suitable for adopting above-mentioned second method to carry out enlarging.
Summary of the invention
The object of the invention is to provide a kind of light-wall pipe expanding device and using method thereof, with solve existing expanding device cannot enlarging, enlarging is of poor quality and use cost is high problem.
Technical scheme of the present invention: a kind of light-wall pipe expanding device, comprising: cutting edge portion, correction unit, spanner portion, reference section and fixed part, light-wall pipe expanding device entirety is cylindrical, and its center is through hole, and this device is one-body molded through machined; The described cutting edge portion global shape of this device front end is taper, its front end has several cutting edges, the rear portion in described cutting edge portion is outer cross section is successively columniform described correction unit, be polygonal described spanner portion for the outer cross section that light-wall pipe expanding device installs or removes on lathe, for locate and outer cross section is columniform described reference section and the described fixed part that can be fixedly connected with tail stock.
Further optimization, there are 3 ~ 10 cutting edges in described cutting edge portion.
Further optimization, described cutting edge angle in described cutting edge portion is uniform.
Another kind of technical scheme of the present invention: a kind of using method of the light-wall pipe expanding device according to above-mentioned any one, carry out following steps successively:
A, this light-wall pipe expanding device being fixed on tail stock by fixed part, being clamped on lathe spindle by needing the bimetallic tube of enlarging or individual layer pipe part;
B, start lathe, lathe spindle slowly drives treats enlarging parts turn, tailstock tool moves forward, and makes light-wall pipe expanding device and treats that enlarging part contacts gradually, at the outer surface uniform application lubricating grease in the cutting edge portion and correction unit that treat enlarging inner bore of part and this light-wall pipe expanding device;
C, lathe rotating speed slowly raise within the scope of 0 ~ 3000 turn per minute, push away before tailstock tool is slow, making light-wall pipe expanding device at the uniform velocity treating that enlarging inner bore of part rotates, adding lubricating grease simultaneously, until treat that enlarging part enlarging position arrives light-wall pipe expanding device correction unit;
D, machine tool chief axis continue at the uniform velocity to rotate, and tailstock stops reach, treats that enlarging inner bore of part is grease-added, and after 3 ~ 5 minutes, lathe stops, and completes part enlarging work.
Further optimization, described lubricating grease comprises grinding agent.Further optimization be, in step c, lathe rotating speed slowly raises within the scope of 0 ~ 1000 turn per minute, push away before tailstock tool is slow, light-wall pipe expanding device is made at the uniform velocity to treat that enlarging inner bore of part rotates, add lubricating grease, until treat that enlarging part enlarging position arrives light-wall pipe expanding device correction unit simultaneously.
Beneficial effect of the present invention:
Expanding device structure of the present invention is simple, easy to operate, can complete the enlarging work of light-wall pipe on engine lathe, part can be detected at any time in process, control part deformation situation, avoid overproof, scrap phenomenon, improve part passing rate of processing and production efficiency, save production cost.
Accompanying drawing explanation
Fig. 1 is the stereogram of the expanding device that the present invention proposes;
Fig. 2 be the present invention propose expanding device processing parts time view (sectional view);
Fig. 3 is the sectional view needing processing parts;
Fig. 4 is the sectional view of the part after being machined by expanding device of the present invention.
Detailed description of the invention
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, a kind of light-wall pipe expanding device, comprises cutting edge portion 1, correction unit 2, spanner portion 3, reference section 4 and fixed part 5.
Light-wall pipe expanding device is plain steel, and entirety is cylindrical, and its center is through hole, and this device is one-body molded through machined.Cutting edge portion 1 global shape of this device front end is taper, and be the main working parts of enlarging, its front end has several cutting edges; In the present embodiment, there are 3 ~ 10 cutting edges in cutting edge portion 1, and cutting edge angle in cutting edge portion 1 is uniformly distributed.
The rear portion in cutting edge portion 1 is outer cross section is successively columniform correction unit 2, for correcting the part shaping through cutting edge district, reaches dimensional requirement, and cutting edge district and correction zone are the forming areas of part enlarging.
Outer cross section, spanner portion 3 is polygonal, installs or removes on lathe for light-wall pipe expanding device.Reference section 4 is cylindrical, for locating and outer cross section.Fixed part 5 profile and engine lathe tailstock endoporus are coordinated, and are mainly used in this expanding device on lathe with fixing behind datum level location.
Light-wall pipe expanding device of the present invention can carry out enlarging to light-wall pipe on engine lathe, and light-wall pipe can be aluminium alloy pipe, material be 5A02,5A03,5A06 one of them; Its pipe thickness is 0.5-1.5mm, and tube outer diameter is within the scope of 20-50mm; Light-wall pipe expanding device of the present invention both can meet processing dimension requirement, ensured enlarging success rate, can meet processing economy again.
Expanding device structure of the present invention is simple, easy to operate, can complete the enlarging work of light-wall pipe on engine lathe, part can be detected at any time in process, control part deformation situation, avoid overproof, scrap phenomenon, improve part passing rate of processing and production efficiency, save production cost.
The present invention also provides a kind of using method of light-wall pipe expanding device.Specifically comprise the steps:
A, this light-wall pipe expanding device being fixed on tail stock by fixed part 5, being clamped in needing the bimetallic tube of enlarging or individual layer pipe part on lathe spindle.
B, start lathe, lathe spindle slowly drives treats enlarging parts turn, tailstock tool moves forward, and makes light-wall pipe expanding device and treats that enlarging part contacts gradually, at the outer surface uniform application lubricating grease in the cutting edge portion 1 and correction unit 2 that treat enlarging inner bore of part and this light-wall pipe expanding device.Further, grinding agent can also be added in lubricating grease.C, lathe rotating speed slowly raise within the scope of 0 ~ 3000 turn per minute, push away before tailstock tool is slow, making light-wall pipe expanding device at the uniform velocity treating that enlarging inner bore of part rotates, adding lubricating grease simultaneously, until treat that enlarging part enlarging position arrives light-wall pipe expanding device correction unit 2.
D, machine tool chief axis continue at the uniform velocity to rotate, and tailstock stops reach, treats that enlarging inner bore of part is grease-added, and after 3 ~ 5 minutes, lathe stops, and completes part enlarging work.
Further, in step c, lathe rotating speed slowly raises within the scope of 0 ~ 1000 turn per minute, push away before tailstock tool is slow, making light-wall pipe expanding device at the uniform velocity treating that enlarging inner bore of part rotates, adding lubricating grease simultaneously, until treat that enlarging part enlarging position arrives light-wall pipe expanding device correction unit 2.Equally, the using method of light-wall pipe expanding device of the present invention is simple, the enlarging work of light-wall pipe can be completed on engine lathe, part can be detected at any time in process, control part deformation situation, avoid overproof, scrap phenomenon, improve part passing rate of processing and production efficiency, saved production cost.
Claims (6)
1. a light-wall pipe expanding device, comprise: cutting edge portion (1), correction unit (2), spanner portion (3), reference section (4) and fixed part (5), it is characterized in that: light-wall pipe expanding device entirety is for cylindrical, its center is through hole, and this device is one-body molded through machined; Described cutting edge portion (1) global shape of this device front end is taper, its front end has several cutting edges, the rear portion of described cutting edge portion (1) is outer cross section is successively columniform described correction unit (2), for the outer cross section that light-wall pipe expanding device installs or removes on lathe be polygonal described spanner portion (3), for location and outer cross section is columniform described reference section (4) and the described fixed part (5) that can be fixedly connected with tail stock.
2. light-wall pipe expanding device according to claim 1, is characterized in that: described cutting edge portion (1) has 3 ~ 10 cutting edges.
3. light-wall pipe expanding device according to claim 1, is characterized in that: described cutting edge is uniform in the upper angle of described cutting edge portion (1).
4., according to a using method for the arbitrary described light-wall pipe expanding device of claims 1 to 3, it is characterized in that, carry out following steps successively:
A, this light-wall pipe expanding device being fixed on tail stock by fixed part (5), being clamped on lathe spindle by needing the bimetallic tube of enlarging or individual layer pipe part;
B, start lathe, lathe spindle drives and treats enlarging parts turn, tailstock tool moves forward, make light-wall pipe expanding device and treat that enlarging part contacts gradually, at the outer surface uniform application lubricating grease in the cutting edge portion (1) and correction unit (2) that treat enlarging inner bore of part and this light-wall pipe expanding device;
C, lathe rotating speed slowly raise within the scope of 0 ~ 3000 turn per minute, push away before tailstock tool, making light-wall pipe expanding device at the uniform velocity treating that enlarging inner bore of part rotates, adding lubricating grease simultaneously, until treat that enlarging part enlarging position arrives light-wall pipe expanding device correction unit (2);
D, machine tool chief axis continue at the uniform velocity to rotate, and tailstock stops reach, treats that enlarging inner bore of part is grease-added, and after 3 ~ 5 minutes, lathe stops, and completes part enlarging work.
5. the using method of light-wall pipe expanding device according to claim 4, is characterized in that: described lubricating grease comprises grinding agent.
6. the using method of light-wall pipe expanding device according to claim 4, it is characterized in that: in step c, lathe rotating speed raises within the scope of 0 ~ 1000 turn per minute, push away before tailstock tool, light-wall pipe expanding device is made at the uniform velocity to treat that enlarging inner bore of part rotates, add lubricating grease, until treat that enlarging part enlarging position arrives light-wall pipe expanding device correction unit (2) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161207.1A CN104722665B (en) | 2015-04-07 | 2015-04-07 | A kind of light-wall pipe expanding device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161207.1A CN104722665B (en) | 2015-04-07 | 2015-04-07 | A kind of light-wall pipe expanding device and its application method |
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| Publication Number | Publication Date |
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| CN104722665A true CN104722665A (en) | 2015-06-24 |
| CN104722665B CN104722665B (en) | 2017-06-23 |
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| CN201510161207.1A Active CN104722665B (en) | 2015-04-07 | 2015-04-07 | A kind of light-wall pipe expanding device and its application method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204850A (en) * | 2007-12-04 | 2008-06-25 | 成都飞机工业（集团）有限责任公司 | Producing method forming and model hot enlarge fluorine plastic tube |
| CN101274347A (en) * | 2007-03-30 | 2008-10-01 | 株式会社日立制作所 | Method for processing pipe body, method for producing oil cylinder device and oil cylinder device |
| CN201702213U (en) * | 2009-11-24 | 2011-01-12 | 中国航空工业标准件制造有限责任公司 | Device for straightening metal thin-wall expand tube |
| CN202963260U (en) * | 2012-12-11 | 2013-06-05 | 成都飞机工业（集团）有限责任公司 | Flaring bar with cutting edges embedded with hard alloy |
| CN203711598U (en) * | 2013-12-11 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | Flaring tool |
| CN104014610A (en) * | 2014-06-09 | 2014-09-03 | 南通润邦重机有限公司 | Hot working process for flared fittings of thin-walled hydraulic steel tubes |
| CN104439778A (en) * | 2014-11-13 | 2015-03-25 | 中国南方航空工业(集团)有限公司 | Stretching workpiece of part opening |
-
2015
- 2015-04-07 CN CN201510161207.1A patent/CN104722665B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274347A (en) * | 2007-03-30 | 2008-10-01 | 株式会社日立制作所 | Method for processing pipe body, method for producing oil cylinder device and oil cylinder device |
| CN101204850A (en) * | 2007-12-04 | 2008-06-25 | 成都飞机工业（集团）有限责任公司 | Producing method forming and model hot enlarge fluorine plastic tube |
| CN201702213U (en) * | 2009-11-24 | 2011-01-12 | 中国航空工业标准件制造有限责任公司 | Device for straightening metal thin-wall expand tube |
| CN202963260U (en) * | 2012-12-11 | 2013-06-05 | 成都飞机工业（集团）有限责任公司 | Flaring bar with cutting edges embedded with hard alloy |
| CN203711598U (en) * | 2013-12-11 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | Flaring tool |
| CN104014610A (en) * | 2014-06-09 | 2014-09-03 | 南通润邦重机有限公司 | Hot working process for flared fittings of thin-walled hydraulic steel tubes |
| CN104439778A (en) * | 2014-11-13 | 2015-03-25 | 中国南方航空工业(集团)有限公司 | Stretching workpiece of part opening |
Non-Patent Citations (1)
| Title |
|---|
| 梁炳文: "《实用板金冲压工艺图集》", 31 October 2000, 机械工业出版社 * |
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| CN104722665B (en) | 2017-06-23 |
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