CN100441369C - Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining - Google Patents
Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining Download PDFInfo
- Publication number
- CN100441369C CN100441369C CNB2006100541417A CN200610054141A CN100441369C CN 100441369 C CN100441369 C CN 100441369C CN B2006100541417 A CNB2006100541417 A CN B2006100541417A CN 200610054141 A CN200610054141 A CN 200610054141A CN 100441369 C CN100441369 C CN 100441369C
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- Prior art keywords
- standpipe
- motorcycle
- section
- cone shape
- conical
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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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- 238000003754 machining Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000007514 turning Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract 1
- 238000000641 cold extrusion Methods 0.000 description 24
- 238000007493 shaping process Methods 0.000 description 6
- 230000001788 irregular Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000003139 buffering Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials 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Abstract
The present invention relates to a disposable cold extruding forming processing technology for a conical standpipe of the direction axis of a motorcycle, particularly to a cold extruding processing method for a conical standpipe, which is an improvement of secondary or three-time cold extruding technology for the conical standpipe of the direction axis of the motorcycle. The present invention is mainly characterized in that an upper and a lower circular cylinder molds having guiding axle sleeves with good rigidity are arranged on a four-column hydraulic press; a bar-shaped convex mold is rigidly assembled in the upper circular cylinder mold; a concave mold with a shape of the conical standpipe of the direction axis of the motorcycle composed of three concentric mold cores is arranged in the lower circular cylinder mold; thereby, the success of the disposable cold extruding forming processing of the conical standpipe of the direction axis of the motorcycle is ensured. The present invention greatly increases the quality and the production efficiency of products, simultaneously, reduces cutting conditions for becoming finished products by subsequent fine processing, saves working hours, and increases efficiency and benefits.
Description
(1) technical field under
The present invention relates to a kind of machining process and equipment thereof of conical riser, especially relate to a kind of technology and equipment thereof of cold extrusion processing motorcycle direction axial cone shape standpipe.
(2) technical background
Know through looking into newly, the technology and the equipment thereof of present domestic state-of-the-art production and processing motorcycle direction axial cone shape standpipe, be that 2005.03.30 is disclosed, Chinese patent application number is CN200410040546.6, and name is called " method and device thereof that the motorcycle direction conical riser is produced in cold extrusion "; And utility model patent, " 200420060928.0 the full building mortion of motorcycle direction conical riser is produced in cold extrusion " and another utility model patent: 200420060929.5, its name is called " the hoop Counterboring apparatus that contracts that the motorcycle direction conical riser is produced in cold extrusion ".
The method and the device thereof of motorcycle direction conical riser produced in above-mentioned cold extrusion, than original forge hot way of using, will forge cone-shaped after its steel pipe heating, and be then that the technology of its machine cut processing is greatly advanced really, still, also has a lot of weak points.
At first, it is secondary or three cold-extrusion shapings, just can finish the cold-extrusion shaping processing of a motorcycle direction axial cone shape standpipe, thereby its production efficiency and economic benefit are all lower.
Secondly, also have some not enough:
1, the upper and lower mould in the full building mortion in No. 200420060928.0 patents does not have guider, and its axiality difficult prospect accurately keeps, thereby the workpiece of its shaping, and the stable accuracy of precision is with influenced.
2, and in the hoop Counterboring apparatus that contracts in the patent No. 200420060929.5, on, bed die does not have direct guider yet, though patrix uses guiding die plate on the main shaft of frame, lower slider leads, but because the pilot hole vertical range is short on its template, so its guiding rigidity a little less than, guide effect is relatively poor, below in the device, with the buffering bracketing plate bar-shaped mould of reaming that leads, but because following buffering supporting plate does not have lead to link to each other with guiding die plate in the patrix, guarantee on it, the work axiality of counterdie, therefore, in actual cold extrusion work, the asymmetric horizontal component of the huge operating pressure of its generation perhaps will make, counterdie produces bigger coaxiality deviation, perhaps have a strong impact on the coaxial accuracy of cold extrusion workpiece, perhaps accelerate to go up the surface abrasion of punch and lower cavity die, shorten die life, and then more influence the geometric accuracy of institute's cold extrusion workpiece.
Even more serious is, because guiding die plate is to move on the vertical shaft of frame, the wearing and tearing that the excessive horizontal component that upper and lower mould disalignment operation produces will aggravate to go up guiding die plate hole and frame vertical shaft, not only more increase the weight of the nonconcentricity of upper and lower mould conversely and reduced work rigidity, but also influence service life of frame vertical shaft, thereby shorten the service life of whole frame, cause extra economic loss.
This shows, the hoop Counterboring apparatus that contracts with No. 200420060929.5 utility model patents, the irregular deformation of institute's cold-stamped conical riser is bigger, and increase along with the extruding number of times, its irregular deformation is also just increasing, the number of patent application of bulletin is in the patent of invention of CN200410040546.6, at first be to bind round Counterboring apparatus with contracting of 200420060929.5 utility model patents steel pipe is carried out preliminary cold extrusion processing, form the conical riser of preliminarily forming, and then with the full building mortion in No. 200420060928.0 utility model patents, conical riser to this preliminarily forming, carry out cold extrusion again, to overcome the irregular deformation of preliminarily forming conical riser, but this rectification overcomes effect, because its full building mortion structure is too simple, on, counterdie does not have guider, thereby is very limited.The dimensional accuracy of the conical riser that therefore final extruding is come out, axiality etc. all are lower.
The present invention overcomes above-mentioned deficiency, with directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining, replaces secondary or three cold extrusion technologies, raises the efficiency, and improves the quality of products, and saves cost, increases benefit.
For reaching the success of disposable cold-extrusion shaping processing motorcycle direction axial cone shape standpipe, the present invention adopts that punch and lower cavity die are combined into the high-intensity cold extrusion device of high rigidity in the cold extrusion that the guiding column sleeve is arranged, with replace aforementioned too simple, rigidity is too poor, upper and lower mould is the hoop reaming of contracting that do not have direct guider, and full building mortion, so that obtain high-quality cold extrusion product.
(3) summary of the invention:
Process route of the present invention is: at first to the steel pipe blanking, then with its phosphatization, again in the high rigidity high-strength die that has guider on being contained in the hydraulic press work top, be about to it at bar-shaped punch and reaming core rod, in the motorcycle direction axial cone shape standpipe outer shape die that taper core rod and necking down core rod are formed with one heart, disposable cold-extruded is pressed into the smart blank of motorcycle direction axial cone shape standpipe, then with its chamfering, on numerically controlled lathe, the bearing position f section at the bearing position d section of finish turning motorcycle direction axial cone shape standpipe essence blank upper end and the smart blank of motorcycle direction axial cone shape standpipe middle part is excessive section e section between the bearing position d section of the smart blank of motorcycle direction axial cone shape standpipe and the bearing position f section at middle part; The k section of the smart blank of finish turning motorcycle direction axial cone shape standpipe lower end again; Then, rolling on the screw-rolling machine, draw motorcycle direction axial cone shape standpipe finished parts at last in the k section of the smart blank of motorcycle direction axial cone shape standpipe lower end and the screw thread j section between the f section of bearing position, middle part.
Crucial part of the present invention is the high rigid die of its disposable cold-extrusion shaping processing motorcycle direction axial cone shape standpipe, and its structure is:
A high rigidity mould bases by the upper and lower parallel template that two groups of guiding column sleeves are housed, and is inlayed the upper and lower cylinder mould that is fixed on the template respectively and is formed with one heart.
Cope match-plate pattern links to each other with the sliding table of four-column hydraulic press, lower bolster links to each other with the base worktable of four-column hydraulic press, it is characterized in that: link to each other with cope match-plate pattern and with firm two fairleads of guide sleeve seat with link to each other with lower bolster and distinguish relatively with two firm leads of guiding column base, described fairlead cooperates slip with lead on the concentric line that matches separately; Last cylinder mould is concentric with following cylinder mould, and vertical respectively setting-in and be connected on cope match-plate pattern and the lower bolster with screw, with upper padding plate, solid model cover and top board with bar-shaped punch, be fixed on the cylinder mould, use lower bolster, eject the reaming core rod that frame mould and lower platen will be rabbeted with one heart, taper core rod and necking down core rod interlocking with one heart are fixed on down in the cylinder mould, and with bolt lower platen and following cylinder mould are linked together; Hydraulic press ejects on the post and ejects seat with being threaded, and ejects knock-pin, angled slide block and last knock-pin are housed down on the seat successively.
Bar-shaped punch is fixed on the cylinder mould with upper padding plate and top board, and uses screw threads for fastening; Lower cavity die is contained in down in the cylinder mould by the round module of three different endoporus, and with lower bolster and lower platen that it is fastening with one heart.
The invention has the advantages that: at first: half is many than secondary or the minimizing consuming time of three cold-stamped list workpiece for the disposable cold extrusion of the present invention, and therefore, the work efficiency height uses manpower and material resources sparingly, and reduces cost and increases benefit.It two is: because cold-extrusion shaping mould of the present invention is a rigidity, and the long distance guiding that the guiding column sleeve is arranged, so its cold-stamped workpiece linearity, especially the high request axiality of two of conical riser taper two ends positions of bearings, the extruding that repeats that can obtain a plurality of workpiece is satisfied, and makes the cold extrusion product quality obtain successional high-level guarantee.It three is: because die device of the present invention has guiding column sleeve and core rod to be contained in the cylinder mould, its rigidity greatly improves, thereby the available bigger cold-extruded pressure extruding conical riser that is shaped, so the mechanical strength of gained conical riser increases, and its working strength performance is improved.It four is: because technology phosphatization conical riser blank of the present invention, it is than the back favorable rust preventing effect of existing process oil extruding, so increases its service life.It five is: because the guiding column sleeve has been born the wearing and tearing that the irregular horizontal component of most of cold-stamped is aggravated in the die device among the present invention, thereby hydraulic machine column wearing and tearing have at work been reduced, prolong the service life of hydraulic press, thereby increased economic benefit.
(4) description of drawings
Fig. 1 is the die cut view of cold-extrusion technology of the present invention.
Fig. 2 is a blanking blank profile.
Fig. 3 is smart blank profile after the disposable cold extrusion of the present invention.
Fig. 4 is the finished figure after the smart blank fine finishining of the disposable cold extrusion of the present invention among Fig. 3.
(5) specific embodiment:
Now specify one embodiment of the present of invention in conjunction with legend.
As Fig. 1, (1) is the sliding table of four-column hydraulic press; (2) be the column of hydraulic press, cylinder mould (5) vertically is inlaid on the cope match-plate pattern (3), and connects with screw.Cope match-plate pattern (3) is fixed on the hydraulic press sliding table (directly) with pressing plate and double-screw bolt.Upper padding plate (4) is housed in the last cylinder mould (5), bar-shaped punch (9) and solid model cover (6), and with top board (7) it is stabilized on the cylinder mould (5), and with screw pressing plate (7) is fixedlyed connected with last cylinder mould (5).2 fairleads (8) are assemblied on the cope match-plate pattern (3), and with guide sleeve seat (26) firmly it, and guide sleeve seat (26) is fixed by bolts on the cope match-plate pattern (3).
2 leads (13) are assemblied on the lower bolster (24), and have guiding column base (25) firm, and guiding column base (25) is connected on the lower bolster (24) with bolt.Lower bolster (24) is with pressing plate and being bolted on the hydraulic press base worktable (23).
Following cylinder mould (14) vertically is inlaid on the lower bolster (24), and connects the two with bolting.Lower bolster (19) upwards is housed successively from the bottom in the following cylinder mould (14), ejects frame mould (17); Then necking down core rod (15), taper core rod (12) and reaming core rod (11) are rabbeted concentric fits mutually successively, and its endoporus connects and composes the outer shape of motorcycle direction axial cone shape standpipe with one heart.And be fixed in down in the cylinder mould (14) with pressing plate (10).Fixedly connected with screw between lower platen (10) and the following cylinder (14).
The angled slide block (18) that ejects dress in the frame mould (17) joins with lower bolster (19), ejecting seat (21) ejects post (22) with screw thread and hydraulic press and links to each other, ejecting seat (21) can promote down knock-pin (20) drive angled slide block (18) and move up, thereby knock-pin in the promotion (16) upwards ejects the workpiece that cold-extruded presses, and reaches the purpose of the demoulding.
2 fairleads (8) respectively with corresponding lead (13) concentric fits.Last cylinder mould (5) and following cylinder mould (14) concentric fits and to guarantee that bar-shaped punch (9) and (11), (12), (15), three core rod endoporus constitute motorcycle direction axial cone shape standpipe outer shape dies concentric.
As Fig. 2, straight shape steel pipe blank (27) for blanking, after its phosphatization, in Fig. 1, in the shaping dies of the present invention its disposable cold-extruded is pressed into the smart blank (28) of motorcycle direction axial cone shape standpipe of Fig. 3, bar-shaped punch (9) determines the interior shape of this smart blank (28), and reaming core rod (11), the endoporus combined shaped of taper core rod (12) and necking down core rod (15) determines its outer shape.
Wherein, a section is the straight-tube portion of reaming, and the b section is a tapering part, and the c section is a necking section.
As Fig. 4, be the final finished part (29) of the motorcycle direction axial cone shape standpipe after smart blank (28) machine finishing, altogether middle j section is a screw thread, d section f section is the bearing position.
Claims (2)
1, directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining, the straight shape steel pipe of blanking blank (27) at first, it is characterized in that: with straight shape steel pipe blank (27) phosphatization, then with it at bar-shaped punch (9) and reaming core rod (11), in the motorcycle direction axial cone shape standpipe outer shape die that taper core rod (2) and necking down core rod (15) are formed with one heart, disposable cold-extruded is pressed into the smart blank (28) of motorcycle direction axial cone shape standpipe, then with its chamfering, on numerically controlled lathe, the bearing position f section at the bearing position d section of the smart blank of finish turning motorcycle direction axial cone shape standpipe (28) upper end and the smart blank of motorcycle direction axial cone shape standpipe (28) middle part is a changeover portion e section between the bearing position d section of the smart blank of motorcycle direction axial cone shape standpipe (28) and the bearing position f section at middle part; The k section of the smart blank (28) of finish turning motorcycle direction axial cone shape standpipe lower end again; Then, rolling the k section that is positioned at the smart blank (28) of motorcycle direction axial cone shape standpipe lower end and the screw thread j section between the f section of bearing position, middle part on the screw-rolling machine, draw motorcycle direction axial cone shape standpipe finished parts (29) at last.
2, for realizing that the described directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining devices needed of claim 1 frock is: cope match-plate pattern (3) links to each other with the sliding table (1) of four-column hydraulic press, lower bolster (24) links to each other with the base worktable (23) of four-column hydraulic press, it is characterized in that: link to each other with cope match-plate pattern (3) and with firm two fairleads (8) of guide sleeve seat (26) with link to each other with lower bolster (24) and distinguish relatively with firm two leads (13) of the column base (25) that leads, described fairlead (8) cooperates slip with lead (13) on the concentric line that matches separately; Last cylinder mould (5) is concentric with following cylinder mould (14), and vertical respectively setting-in and be connected on cope match-plate pattern (3) and the lower bolster (24) with screw, with upper padding plate (4), solid model cover (6) and top board (7) with bar-shaped punch (9), be fixed on the cylinder mould (5), with lower bolster (19), eject reaming core rod (11), taper core rod (2) and necking down core rod (15) that frame mould (17) and lower platen (10) will rabbet with one heart with one heart interlocking be fixed on down in the cylinder mould (14), and lower platen (10) and following cylinder mould (14) are linked together with bolt; Hydraulic press ejects post (22) and upward ejects seat (21) with being threaded, and ejects on the seat (21) and knock-pin (20) is housed down successively, angled slide block (18) and last knock-pin (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100541417A CN100441369C (en) | 2006-03-16 | 2006-03-16 | Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100541417A CN100441369C (en) | 2006-03-16 | 2006-03-16 | Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining |
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| CN1817554A CN1817554A (en) | 2006-08-16 |
| CN100441369C true CN100441369C (en) | 2008-12-10 |
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| CNB2006100541417A Expired - Fee Related CN100441369C (en) | 2006-03-16 | 2006-03-16 | Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining |
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| JP5192038B2 (en) * | 2007-06-29 | 2013-05-08 | ゲーカーエン ドライブライン インターナショナル ゲゼルシャフト ミト ベシュレンクテル ハフツング | Apparatus and method for axially forming elongated hollow body |
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| CN105689423B (en) * | 2016-03-11 | 2017-08-08 | 南通昌荣机电有限公司 | A kind of pressing method for making tapered sleeve |
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