CN103521999B - Ball rolling device and ball rolling method - Google Patents
Ball rolling device and ball rolling method Download PDFInfo
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- CN103521999B CN103521999B CN201310452848.3A CN201310452848A CN103521999B CN 103521999 B CN103521999 B CN 103521999B CN 201310452848 A CN201310452848 A CN 201310452848A CN 103521999 B CN103521999 B CN 103521999B
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- rotating shaft
- spheroid
- milled head
- head
- drive unit
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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
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
- B23P9/025—Treating or finishing by applying pressure, e.g. knurling to inner walls of holes by using axially moving tools
Abstract
The invention provides Ball rolling device, comprise drive unit, adjustment head, milled head and rotating shaft, first drive unit connects rotating shaft, the output shaft of the second drive unit connects one end of adjustment head, the adjustment head other end is fixed with milled head, the pivot axis of milled head and the orthogonality of center shaft of rotating shaft.The invention provides Ball rolling method, spheroid is around the first center axis thereof of self, and milled head carries out roll extrusion around the second center axis thereof orthogonal with the first central axis to spheroid.The rotation of milled head can form a circle, and in conjunction with the rotation of spheroid, two kinds of rotational trajectories form a ball, enable milled head carry out roll extrusion to spheroid.Ball rolling device of the present invention and Ball rolling method, the method adopting spheroid rotation to add milled head rotation carries out Ball rolling, and this rolling depression method is simple, and actual motion cost is lower, Ball rolling device strong adaptability, and roll extrusion precision is high.
Description
Technical field
The present invention relates to a kind of rolling device and rolling depression method, especially a kind of Ball rolling device and Ball rolling method, belong to machinery processing apparatus and method field.
Background technology
Roll extrusion improves the effective ways showing fineness and hardness, has the advantage that efficiency is high.
Some spheroids offer central through hole at self, as the spheroid in ball valve, when this globoid of roll extrusion, traditional Ball rolling is with a spheroidal track, cutter is allowed to be loaded on track, orbiting carries out roll extrusion to spheroid, and the shortcoming of this roll extrusion is: 1, track is fixing does not have interchangeability; 2, the demand of high accuracy roll extrusion to track is higher; 3, overall operation cost is high.
Also have a kind of roll extrusion mode to adopt numerical control lathe, install milled head, carry out roll extrusion by the mode of NC Interpolation, this roll extrusion mode can solve above-mentioned a part of problem, but shortcoming exists: 1, the input of Digit Control Machine Tool is higher; 2, there is error in NC Interpolation; 3, numerical control rolling head can only carry out roll extrusion at certain curvature radius, about solves center and about cannot solve.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of Ball rolling device and Ball rolling method, solves the problem that roll extrusion precision is not high, equipment compatibility is low and operating cost is high.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be:
Ball rolling device, comprises drive unit, adjustment head, milled head and rotating shaft.
Drive unit comprises the first drive unit and the second drive unit.First drive unit connects rotating shaft, rotating shaft be inserted in treat roll extrusion spheroid central through hole in, the central axis of the output shaft of the second drive unit is orthogonal with the central axis of rotating shaft, the output shaft of the second drive unit connects one end of adjustment head, the adjustment head other end is provided with milled head that is adjustable and the second drive unit output shaft distance, the working position of milled head is in treating roll extrusion spherome surface and being positioned at the edge of through hole at spherome surface of spheroid, and milled head axle centered by the output shaft of the second drive unit rotates.
Rotating shaft is middle thick, the multidiameter that two ends are thin, and it is inner that the step on rotating shaft is positioned at the through hole treating roll extrusion spheroid, has a spacing, have a spacing between milled head end and rotating shaft between the operate portions of milled head and the step of rotating shaft and rotating shaft.
The adjustment head other end offers the through hole parallel with the output shaft of the second drive unit, and has the screw crossing and parallel with rotating shaft with through hole.Milled head bottom is inserted in through hole, and milled head bottom is provided with screw, and a bolt inserts in the adjustment screw of head and the screw of milled head.
A kind of Ball rolling method utilizing aforementioned Ball rolling device to carry out roll extrusion, stepped rotating shaft thick between one two ends detail is penetrated the through hole of ball centre and the central axis of rotating shaft and spheroid first central axes, rotating shaft is relative with spheroid fixing, spheroid with rotating shaft around the first center axis thereof; Milled head is around the center axis thereof of the output shaft of second drive unit orthogonal with the first central axis, adjustment milled head makes the through hole of milled head operate portions and described ball centre touch in the side edge of spherome surface and make milled head operate portions and spheroid contact point be required radius of sphericity to the distance of the centre of sphere, while rotating sphere and milled head carry out Ball rolling.
Select the rotating shaft adapted according to the through-hole aperture of spheroid, when fixing rotating shaft and spheroid, the step on rotating shaft is positioned at the hole of spheroid, and makes to leave spacing between rotating shaft and milled head.
Rotating shaft is thin ends and thick middle, the position that rotating shaft is positioned at spheroid is thick, the position be positioned near openings and outside spheroid is thin, and the size of its two ends diameter and the contact of milled head operate portions and spherome surface should meet the requirement that milled head does not collide with rotating shaft when rotating.
Fixed on the rotary shaft by spheroid, rotating shaft drives spheroid to rotate.Milled head rotates around the central axis orthogonal with the central axis of rotating shaft.The rotation of milled head can form a circle, and in conjunction with the rotation of spheroid, two kinds of rotational trajectories form a ball, enable milled head carry out roll extrusion to spheroid.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
Ball rolling device of the present invention, two drive units make spheroid and milled head pivot respectively, the central axis that spheroid rotates is orthogonal with the central axis of the axle that milled head rotates, thus make milled head energy roll extrusion spherome surface, milled head is fixed on and adjusts on head and the distance of the output shaft of adjustable milled head and the second drive unit by bolt, thus the spheroid of energy roll extrusion different-diameter, improve the adaptability of equipment.Ball rolling method of the present invention, the method adopting spheroid rotation to add milled head rotation carries out Ball rolling, and this rolling depression method is simple, and actual motion cost is lower, strong adaptability, and equipment compatibility is strong and roll extrusion precision is high.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Ball rolling device of the present invention.
Fig. 2 is the close-up schematic view of Fig. 1.
Fig. 3 is the structural representation of the milled head of Ball rolling device of the present invention.
Fig. 4 is the structural representation of the rotating shaft of Ball rolling device of the present invention.
Fig. 5 is spheroid and milled head schematic diagram in a coordinate system in Ball rolling method of the present invention.
1, the second drive unit, 2, bracing or strutting arrangement, 3, rotating shaft, 4, spheroid, 5, milled head, 6, adjustment head, the 7, first central axis, the 8, second central axis, 9, bolt, 10, operate portions, 41, through hole.
Detailed description of the invention
Embodiment one
As shown in Figure 1, Ball rolling device, comprises drive unit, adjustment head, milled head, bracing or strutting arrangement and rotating shaft.
Drive unit comprises the first drive unit and the second drive unit.
First drive unit connects rotating shaft 3 makes it rotate, and rotate 3 and be horizontally disposed with, as shown in Figure 2,4, rotating shaft 3 is multidiameter, and mid portion is thick, and two ends are thin, and respectively there is a step left and right.Because processed spheroid self has central through hole, therefore the rotating shaft 3 of respective diameters is selected according to the through-hole diameter of spheroid, rotating shaft 3 penetrates the through hole 41 of spheroid 4, the central axis of rotating shaft 3 overlaps with spheroid first central axis 7, rotating shaft 3 is fixedly connected with spheroid after penetrating spheroid, and rotating shaft 3 drives spheroid 4 to rotate around the first central axis 7 of spheroid.The position that rotating shaft 3 is positioned at spheroid is thick, is positioned at the position that spheroid through hole 41 exports outside neighbouring and spheroid thin.It is inner that two steps on rotating shaft are positioned at the through hole treating roll extrusion spheroid.
Rotating shaft 3 is fixedly connected with spheroid, and in the present embodiment, rotating shaft is hollow shaft, adopts the mode of inner expanded joint to be fixedly connected with spheroid 4.Other modes can be adopted in other embodiments to be fixedly connected with relative with spheroid for rotating shaft.
Second drive unit 1 is installed on below rotating shaft, the output shaft of the second drive unit is vertical state, the output shaft of the second drive unit 1 connects one end of adjustment 6, adjustment head and rotating shaft be arranged in parallel, adjustment 6 other end offer the through hole parallel with the output shaft of the second drive unit 1, and have crossing with through hole and parallel with rotating shaft 3 screw.Milled head 5 bottom is parallel with the output shaft of the second drive unit and be inserted in the through hole adjusting head, and the aperture of through hole is larger than the diameter of milled head bottom, and milled head can be mobile with the parallel distance regulating itself and the second drive unit output shaft in the through hole of adjustment head.
As shown in Figure 1, 2, 3, in the present embodiment, milled head 5 is V-shaped, bottom is parallel with the output shaft of the second drive unit, be arranged in the through hole of adjustment head, the oblique spheroid 4 in milled head top, end, milled head upper end is provided with ball as its operate portions 10, such milled head 5 stressed is more conducive to the stable of himself, and the operate portions of milled head 5 and the contact condition of spheroid better.In other embodiments, milled head also can adopt straight rod type or other shapes.The intersection that operate portions 10 is positioned at spherome surface and its central through hole is also the edge of through hole 41 on spheroid 4 surface.When the operate portions of milled head contacts with spherome surface, milled head 5 and rotating shaft 3 can not be made to collide, the position be positioned at outside spheroid due to rotating shaft is thin, it is inner that step on rotating shaft is positioned at the through hole treating roll extrusion spheroid, and there is a spacing between the operate portions of milled head and step and rotating shaft, between milled head end and rotating shaft, have a spacing.Therefore, the operate portions of milled head can meet with through hole 41 requirement that rotating shaft is not collided on milled head top when the edge of spherome surface contacts.As long as the requirement that when can meet roll extrusion, milled head does not collide with rotating shaft, rotating shaft also can select the multidiameter on multiple stage rank, but considers the factors such as axle processing and intensity, the preferably multidiameter of two steps.
Milled head 5 bottom is provided with screw, and during installation, the screw of milled head is consistent with the screw direction of adjustment head, a bolt 9 insert adjust 6 screw and milled head 5 screw in.Bolt 9 is combined with nut, and nut is positioned at bolt 9 and is exposed to position outside adjustment head, uses nut can clamping screw 9, prevents bolt 9 in Ball rolling plant running process from rotating.Can distance between adjustment roll pressure head 5 and the output shaft of the second drive unit 1 by the turn of bolt.
Frame is fixed in bracing or strutting arrangement 2 one end, and the other end connects the output shaft of the second drive unit 1 by bearing.
Second drive unit 1 drives adjustment head and then drives milled head 5 to carry out roll extrusion around the center axis thereof of the output shaft of the second drive unit 1 to spheroid 4.
Another central shaft second central axis 8 of the central axis and spheroid 4 of the output shaft of the second drive unit 1 self overlaps, second central axis 8 is orthogonal with spheroid first central axis 7, because the central axis of rotating shaft 3 overlaps with spheroid first central axis 7, therefore the central axis of the output shaft of the second drive unit 1 is orthogonal with the central axis of rotating shaft 3.
Because the distance between milled head 5 and the output shaft of the second drive unit 1 is adjustable, can according to treat roll extrusion spheroid diameter adjustment milled head and the output shaft of the second drive unit 1 between distance, adjust suitable after by bolt 9 and on nut fix milled head position.Thus can the spheroid of roll extrusion different-diameter, improve adaptability and the interchangeability of equipment.
Adjustment 6 is fixed on the output shaft of the second drive unit 1, and the present embodiment adopts stepper motor as drive unit, and the output shaft of the second drive unit 1 is provided with bracing or strutting arrangement 2, and output shaft can rotate by relative support device 2.The effect of bracing or strutting arrangement 2 to ensure output shaft rotation, departs from the second central axis 8 when can prevent again the vibration of output shaft from avoiding it to rotate, and ensures that the track that milled head 5 is formed when roll extrusion is positive round.
Ball rolling device of the present invention, two drive units make spheroid and milled head pivot respectively, the central axis of rotating shaft and milled head orthogonal around the central axis of axle, thus make milled head energy roll extrusion spherome surface, milled head is fixed on and adjusts on head and the distance of the output shaft of adjustable milled head and the second drive unit by bolt, thus the spheroid of energy roll extrusion different-diameter, improve the adaptability of equipment.
Embodiment two
As shown in Figure 1,5, a kind of Ball rolling method taking Ball rolling device described in embodiment one, the rotating shaft 3 adapted is selected according to the through-hole aperture of spheroid, one rotating shaft 3 is penetrated the through hole at spheroid 4 center and the central axis of rotating shaft overlap with the first central axis 7 of spheroid 4, consistent, spheroid 4 is fixed with rotating shaft 3, and spheroid 4 rotates around the first central axis 7 with rotating shaft 3.Rotating shaft 3 is the multidiameter that thin, middle thick left and right, two ends has each step.The position that rotating shaft is positioned at spheroid is thick, is positioned at the position that through hole 41 exports outside neighbouring and spheroid thin.When fixing rotating shaft 3 is with spheroid 4, two steps on rotating shaft are positioned at the hole of spheroid, and make to leave spacing between rotating shaft and milled head.
The position of adjustment milled head 5 makes the edge of operate portions 10 contact through hole 41 at spherome surface of milled head 5, and make the operate portions 10 of milled head and the contact point of spheroid 4 be required radius of sphericity to the distance of the centre of sphere, milled head 5 rotates around the second central axis 8 orthogonal with the first central axis 7 and carries out roll extrusion to spheroid.In the Ball rolling device of embodiment one, also namely around the center axis thereof of the output shaft of the second drive unit 1.
The size of rotating shaft terminal diameter and the contact of milled head operate portions and spherome surface should meet milled head and not collide with rotating shaft when around the second center axis thereof.
Under the state that the rotating shaft of spheroid irrotationality is passed, the spherome surface that the operate portions 10 of milled head 5 upper end is positioned at pointed by the first central axis 7 can carry out roll extrusion to whole spheroid 4.Owing to spheroid being provided with through hole 41, therefore two of through hole exit spherical crowns are pruned, therefore the operate portions 10 of milled head 5 can not contact the intersection point on the first central axis 7 and complete spheroid 4 surface, simultaneously, due to through hole 41 cause the spherome surface of excision also without the need to roll extrusion, therefore, the edge on spheroid 4 surface of the intersection point that the operate portions 10 of milled head upper end need contact spherome surface and through hole also i.e. through hole, rotates can carry out roll extrusion to whole spheroid around the second central axis 8.If but rotating shaft is the rotating shaft of even thickness, the operate portions 10 of milled head upper end can only infinite approach but cannot touch the edge of through hole at spherome surface, also will some spherome surface cannot roll extrusion, therefore need rotating shaft 3 to be designed to thin, the middle thick multidiameter in two ends.Rotating shaft be positioned at through hole outlet near part and the partial design be positioned at outside spheroid be the axle that diameter is thinner, like this when milled head roll extrusion spheroid, the operate portions 10 of milled head can contact with the outlet edge of through hole at spherome surface, do not collide with rotating shaft 3 again, ensure that the roll extrusion of operate portions 10 pairs of spheroid 4 all surfaces of milled head 5.
Milled head 5 rotates around the second central axis 8, the contact point track of milled head and spheroid forms a circle, because the operate portions 10 of milled head 5 contacts with spherome surface, and its contact point is positioned at the maximum gauge place of spheroid in the first central axial direction, in conjunction with the rotation of spheroid 4, two kinds of rotational trajectories form a ball, enable milled head carry out roll extrusion to the spheroid with central through hole.
Ball rolling method of the present invention, the method adopting spheroid rotation to add milled head rotation carries out Ball rolling, and this rolling depression method is simple, and actual motion cost is lower, strong adaptability, and the equipment compatibility applied is strong, and roll extrusion precision is high.
Embodiment in above-described embodiment can combine further or replace; and embodiment is only be described the preferred embodiments of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various changes and modifications that in this area, professional and technical personnel makes technical scheme of the present invention, all belong to protection scope of the present invention.
Claims (8)
1. Ball rolling device, is characterized in that: comprise drive unit, adjustment head, milled head and rotating shaft,
Drive unit comprises the first drive unit and the second drive unit,
First drive unit connect rotating shaft, rotating shaft be inserted in treat roll extrusion spheroid central through hole in,
The central axis of the output shaft of the second drive unit is orthogonal with the central axis of rotating shaft, the output shaft of the second drive unit connects one end of adjustment head, the adjustment head other end is provided with milled head that is adjustable and the second drive unit output shaft distance, the working position of milled head is in treating roll extrusion spherome surface and being positioned at the edge of through hole at spherome surface of spheroid
Milled head axle centered by the output shaft of the second drive unit rotates;
Adjustment head and rotating shaft be arranged in parallel, and the adjustment head other end offers the through hole parallel with the output shaft of the second drive unit, and has the screw crossing and parallel with rotating shaft with through hole,
Milled head bottom is inserted in through hole, and milled head bottom is provided with screw, and a bolt inserts in the adjustment screw of head and the screw of milled head, and milled head can be mobile with the parallel distance regulating itself and the second drive unit output shaft in the through hole of adjustment head.
2. Ball rolling device according to claim 1, is characterized in that: rotating shaft is for middle thick, and the multidiameter that two ends are thin, has a spacing between the operate portions of milled head and the step of rotating shaft and rotating shaft, have a spacing between milled head end and rotating shaft.
3. Ball rolling device according to claim 2, is characterized in that: rotating shaft is quill shaft, rotating shaft with treat to adopt expanded joint to be connected between roll extrusion spheroid.
4. Ball rolling device according to claim 1 and 2, is characterized in that: also comprise bracing or strutting arrangement, and frame is fixed in bracing or strutting arrangement one end, and the other end connects the output shaft of the second drive unit by bearing.
5. Ball rolling device according to claim 1, it is characterized in that: preferably, milled head is V-shaped, and milled head bottom is parallel with the output shaft of the second drive unit, the oblique spheroid in milled head top, and end, milled head upper end is provided with ball as operate portions.
6. Ball rolling device according to claim 1, is characterized in that: bolt is combined with nut, and nut is positioned at bolt and is exposed to the position adjusted outside head.
7. one kind uses the Ball rolling method of Ball rolling device described in any one of claim 1-6, it is characterized in that: stepped rotating shaft thick between a two ends detail is penetrated the through hole of ball centre and the central axis of rotating shaft and spheroid first central axes, rotating shaft is relative with spheroid fixing, spheroid with rotating shaft around the first center axis thereof;
Milled head is around the center axis thereof of the output shaft of second drive unit orthogonal with the first central axis, adjustment milled head makes the through hole of milled head operate portions and described ball centre touch in the side edge of spherome surface and make milled head operate portions and spheroid contact point be required radius of sphericity to the distance of the centre of sphere, while rotating sphere and milled head carry out Ball rolling.
8. Ball rolling method according to claim 7, it is characterized in that: select the rotating shaft adapted according to the through-hole aperture of spheroid, when fixing rotating shaft and spheroid, the step on rotating shaft is positioned at the hole of spheroid, and makes to leave spacing between rotating shaft and milled head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452848.3A CN103521999B (en) | 2013-09-26 | 2013-09-26 | Ball rolling device and ball rolling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452848.3A CN103521999B (en) | 2013-09-26 | 2013-09-26 | Ball rolling device and ball rolling method |
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| CN103521999A CN103521999A (en) | 2014-01-22 |
| CN103521999B true CN103521999B (en) | 2016-02-10 |
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| CN201310452848.3A Active CN103521999B (en) | 2013-09-26 | 2013-09-26 | Ball rolling device and ball rolling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109877524B (en) * | 2019-02-01 | 2023-07-21 | 浙江工业大学 | Claw type flexible ultrasonic cambered surface rolling cutter |
| CN113369799B (en) * | 2021-07-07 | 2022-07-26 | 哈尔滨电气动力装备有限公司 | Manufacturing process of nuclear power station shaft seal nuclear main pump guide vane flow surface |
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| CN201120576Y (en) * | 2007-10-18 | 2008-09-24 | 赖俊丞 | Surface grinding machine for bulb stopper of ball valve |
| CN202087972U (en) * | 2011-05-20 | 2011-12-28 | 万向钱潮（桂林）汽车底盘部件有限公司 | Spherical surface turning and rolling composite device |
| CN102398198A (en) * | 2010-09-16 | 2012-04-04 | 杨心宏 | Optical spherical surface milling and polishing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2906225B2 (en) * | 1995-11-02 | 1999-06-14 | 株式会社サンテック | Spherical processing tool and its processing method |
| JP2001054846A (en) * | 1999-08-19 | 2001-02-27 | Ngk Insulators Ltd | Spherical surface working method and device thereof |
| JP2003340704A (en) * | 2002-05-22 | 2003-12-02 | Olympus Optical Co Ltd | Face creating device and method |
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- 2013-09-26 CN CN201310452848.3A patent/CN103521999B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201120576Y (en) * | 2007-10-18 | 2008-09-24 | 赖俊丞 | Surface grinding machine for bulb stopper of ball valve |
| CN102398198A (en) * | 2010-09-16 | 2012-04-04 | 杨心宏 | Optical spherical surface milling and polishing machine |
| CN202087972U (en) * | 2011-05-20 | 2011-12-28 | 万向钱潮（桂林）汽车底盘部件有限公司 | Spherical surface turning and rolling composite device |
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