CN104669080A - Centerless fixture for cylindrical grinding machine - Google Patents
Centerless fixture for cylindrical grinding machine Download PDFInfo
- Publication number
- CN104669080A CN104669080A CN201510105154.1A CN201510105154A CN104669080A CN 104669080 A CN104669080 A CN 104669080A CN 201510105154 A CN201510105154 A CN 201510105154A CN 104669080 A CN104669080 A CN 104669080A
- Authority
- CN
- China
- Prior art keywords
- wheel
- depression bar
- driving wheel
- support wheel
- support
- Prior art date
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/307—Means for supporting work
Abstract
The invention discloses a centerless fixture for a cylindrical grinding machine. The centerless fixture comprises a driving wheel, a supporting wheel and a pressing wheel, wherein the driving wheel is arranged on a rotating shaft of a grinding machine; the supporting wheel is arranged at the slanting lower part of the rear side of the driving wheel; the outer side of a support of the supporting wheel is hinged to one end of a pressing rod; the pressing wheel is arranged at the middle of the pressing rod; the other end of the pressing rod is connected with one end of a spring; the other end of the spring is connected onto a grinding machine rack; a positioning part is arranged at one end face side, which is away from a grinding wheel of the grinding machine, of the supporting wheel, on the support of the supporting wheel; a punch rod clamped among the driving wheel, the supporting wheel and the pressing wheel can be axially positioned by the positioning part; the punch rod is fixed by line contact matching between the circumferential surfaces of the driving wheel, the supporting wheel and the pressing wheel and the circumferential surface of a punch body of the punch rod; after the punch rod is fixed, the axiality of the punch rod can be directly guaranteed; the acting pressure of the pressing wheel on the punch rod is guaranteed by the pretightening force of the spring; the driving wheel is driven by the rotating shaft to rotate and drives the punch rod to rotate; the grinding processing is realized by contacting a circumferential section of the upper end to be ground of the punch rod with the grinding wheel.
Description
Technical field
The present invention relates to the correlative technology field of fixture for grinding machine, be specifically a kind ofly applied in the fixture used when cylindrical grinder carrying out Cylindrical Grinding Processes.
Background technology
As shown in Figure 1, be the jumper bar 10 that medicine machine is installed, left side for the little tail slide bar that rushes, right side be favourable opposition tail slide bar, their upper end is drift, and lower end is for rushing tail, and mid portion is for rushing body, and wherein the periphery at drift A place is the machined surface needing grinding.The at present cylindrical of grinding jumper bar on grinding machine, be by by one end clamping of jumper bar on the chuck of cylindrical grinder, ensure the drift of jumper bar by submeter centering of saluting by going down on one knee and rush the axiality of body.Due to upper plunger, lower plunger that medicine machine uses, it is axially in multidiameter shape, so adopt its outer bowlder of existing mode grinding, beats table centering, ensure that the work of concentricity is wasted time and energy, and precision can not ensure.And jumper bar itself has very high requirement to outer surface roughness and the axiality of rushing body and drift, so in current processing process, there is the problem that percent defective is higher.
Summary of the invention
The object of the present invention is to provide a kind of fixture on grinding machine, by using this fixture, no longer the two ends of jumper bar are clamped when processing jumper bar, and by using amesdial centering, ensure axiality, it can improve the coaxial precision of working (machining) efficiency and processing.
The present invention solves the technical scheme that its technical problem takes: a kind of centerless fixture on cylindrical grinder, comprise the driving wheel be arranged between the grinding machine headstock and tailstock in rotating shaft, be arranged on the support wheel support on fixture for grinding machine seat, support wheel is arranged on the rear side of described driving wheel and axial consistent axially with described rotating shaft, while described support wheel in vertical direction axis be positioned at below described driving wheel axis; In one end of the hinged depression bar in outside of described support wheel support, described depression bar can rotate in the longitudinal direction, arrange pinch roller at the middle part of described depression bar, the axis of described pinch roller is axially consistent with described support wheel, and the axis of described support wheel is positioned at below described pinch roller axis in vertical direction simultaneously; The other end of described depression bar is connected with one end of spring, and the other end of spring is connected in grinding machine frame; On described support wheel support, be positioned at the end face side that support wheel deviates from grinder wheel and arrange location division, axial location can be carried out to the jumper bar be installed between driving wheel, support wheel and pinch roller in described location division.
Further, described location division be axially along left and right to positioning screw.
Further, described driving wheel is rubber roll.Driving wheel is set to rubber roll mainly guarantee driving wheel and jumper bar rush body circumferential contact time, have enough large friction therebetween, and can not liquidate the again side face of body of driving wheel forms grinding and damages simultaneously.
Further, described pinch roller is arranged on described depression bar, and position can along the axial adjustment of described depression bar.
Further, described support wheel is arranged on described support wheel support, its position-adjustable in vertical direction.
Further, the axial length of described depression bar can regulate.
The invention has the beneficial effects as follows: it in use, by coordinating with all brought into linear contact that jumper bar rushes body with the side face of driving wheel, support wheel and pinch roller, and jumper bar is fixed, and after fixing, directly can ensure the axle center degree of jumper bar, the pretightning force of spring ensures the actuating pressure of pinch roller to jumper bar, and driving wheel rotates under the drive of rotating shaft, drives jumper bar and rotates, by making the upper end of the jumper bar under rotation status side face section to be ground contact with emery wheel, realize grinding.
Accompanying drawing explanation
Fig. 1 is a kind of jumper bar processed with fixture involved in the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is the part-structure schematic diagram of the present invention in right apparent direction;
Fig. 4 is that the present invention takes away after the parts such as driving wheel in main apparent direction, the structural representation of the support wheel relevant portion exposed;
In figure: 1 grinding machine, 11 clamping fixture seats, 12 emery wheels, 13 headstocks, 14 tailstocks, 2 driving wheels, 3 support wheels, 31 support wheel supports, 4 pinch rollers, 41 depression bars, 42 springs, 5 positioning screws, 10 jumper bars.
Detailed description of the invention
For ease of understanding technology contents of the present invention, just by reference to the accompanying drawings its technical scheme is described further below.The "front", "rear" used in the description of this invention, " left side " " right side " etc. represent the word in orientation, and are all the statements done based on accompanying drawing relation, object is for convenience of description, and it can not think the restriction to the technology of the present invention content.To the word of matching relationships such as involved " settings ", " connection ", outside clearly limiting, should make broad understanding, it coordinates between can be directly, indirectly coordinates, the those skilled in the art such as to be fixedly connected with, removably connect and according to the object of the invention, the mode realized can be understood.
As shown in Figures 2 to 4, a kind of centerless fixture on cylindrical grinder, comprise the driving wheel 2 be arranged between grinding machine 1 headstock 13 and tailstock 14 in rotating shaft, be arranged on the support wheel support 31 on grinding machine 1 clamping fixture seat 11, and support wheel 3, pinch roller 4, depression bar 41 and spring 42.Clamping fixture seat 11 can move left and right in the lathe bed upper end of grinding machine 1.
As shown in Figures 2 to 4, described support wheel 3 is arranged on the rear side of described driving wheel 2 and axial consistent axially with described driving wheel 2, while described support wheel 3 in vertical direction axis be positioned at below described driving wheel 2 axis.As Fig. 3, Fig. 4, the cooperation rotating shaft two ends of described support wheel 3, be fixed in the U-shaped mouth of certain a plate upper end on support wheel support 31, and this connecting plate is bolted in described support wheel support 31 main body, the mounting hole site elliptical aperture of support wheel support 31 corresponding part, so this connecting plate can relative support wheel support 31 main body vertical oppositely on carry out the adjustment of upright position, i.e. described support wheel 3 position-adjustable in vertical direction.Certainly, can regulate for realizing support wheel 3 position in vertical direction, other modes can also be adopted.
One end of hinged described depression bar 41 in the outside of described support wheel support 31, namely as shown in Figure 3, fixed bar along the longitudinal direction can be set on described support wheel support 31, one end of hinged described depression bar 41 in the end of this fixed bar, and be hinged connect after make described depression bar 41 can in vertical plane along the longitudinal direction on rotate.Arrange described pinch roller 4 at the middle part of described depression bar 41, the axis of described pinch roller 4 is axially consistent with described support wheel 3, and the axis of described support wheel 3 is positioned at below described pinch roller 4 axis in vertical direction simultaneously.Strictly speaking, after debugging, described support wheel 3 is positioned at bottom, and pinch roller 4 axis is positioned at the side on the upper side of driving wheel 2 axis.As shown in Figure 3, the other end of described depression bar 41 is connected with one end of described spring 42, and the other end of spring 42 is connected in grinding machine 1 frame.The axial length of described depression bar 41 answers long enough, guarantee described spring 42 connect and between depression bar 41 end and grinding machine 1 frame time, the outer wall of spring 42 can not contact with driving wheel 2, best alternate certain vertical interval.For this reason, depression bar 41 can be arranged on the threaded sleeve rod structure of two ends or multistage, the axial length of described like this depression bar 41 just can have adjusted.Described pinch roller 4 is arranged on described depression bar 41, and position can along the axial adjustment of described depression bar 41.For this reason, the rotating shaft of pinch roller 4 can be made to be connected with depression bar 41 by U-type groove plate, namely pinch roller 4 rotating shaft is connected in the notch of U-type groove plate, the outer wall of U-type groove plate arranges column-shaped boss, the outer wall of column-shaped boss arranges external screw thread, depression bar 41 is arranged the bar-shaped trough along its axis, column-shaped boss, through bar-shaped trough, is then fixed by nut.
On described support wheel support 31, be positioned at the end face side that support wheel 3 deviates from grinding machine 1 emery wheel 12 and arrange location division, axial location can be carried out to the jumper bar 10 be installed between driving wheel 2, support wheel 3 and pinch roller 4 in described location division.As Fig. 2, shown in Fig. 4, described location division be axially along left and right to positioning screw 5, this positioning screw 5 is coordinated with support wheel support 31 by the connecting plate of Z-type, the upper end of this Z-type connecting plate arranges the tapped through hole of left and right extension, lower end can arrange the screwed hole connected on the corresponding support wheel support 31 of elliptical aperture, like this when this Z-type connecting plate being arranged on described support wheel support 31 with bolt, Z-type connecting plate relative support wheel support 31 is installation site is adjustable vertically upward, contribute to like this guaranteeing that the right-hand member planar top of positioning screw 5 is when jumper bar 10 left side, the axle center of the two overlaps substantially, realize maximum location area matching relationship, improve the stiffening effect of location.Certainly do not get rid of and can arrange location-plate at the right-hand member of described positioning screw 5, the face area of location-plate is greater than the left side area of jumper bar 10, makes the right side of location-plate coordinate with jumper bar 10 left side the axial location formed jumper bar 10.
In use, by coordinating with all brought into linear contact that jumper bar 10 rushes body with the side face of driving wheel 2, support wheel 3 and pinch roller 4, and jumper bar 10 is fixed, and after fixing, directly can ensure the axle center degree of jumper bar 10, ensure the actuating pressure of pinch roller 4 pairs of jumper bars 10 by the pretightning force of spring 42, driving wheel 2 rotates under the drive of grinding machine 1 rotating shaft, and then drives jumper bar 10 and rotate, by making the upper end of the jumper bar 10 under rotation status side face section to be ground contact with emery wheel 12, just realize grinding.Driving wheel 2 should be set to rubber roll, with guarantee driving wheel 2 and jumper bar 10 rush body circumferential contact time, have enough large friction therebetween, and can not liquidate the again side face of body 10 of driving wheel 2 forms grinding and damages simultaneously.Also it is emphasized that, also will guarantee driving wheel 2, support wheel 3 and pinch roller 4 they rush the axial contact length of body respectively with jumper bar 10, because if axially the line length of contact is too short, also can not ensure well to locate the axle center of jumper bar 10, preferably make the axial contact length at this place and jumper bar 10 rush the length of body consistent or very close.
Except the technical characteristic described in description, be the known technology of those skilled in the art.
Claims (9)
1. the centerless fixture on cylindrical grinder, is characterized in that:
Comprise the driving wheel be arranged between the grinding machine headstock and tailstock in rotating shaft, be arranged on the support wheel support on fixture for grinding machine seat;
Support wheel is arranged on the rear side of described driving wheel, and the axis of described support wheel is positioned at below described driving wheel axis in vertical direction;
In one end of the hinged depression bar in outside of described support wheel support, after being articulated and connected, described depression bar rotates along the longitudinal direction in vertical plane;
Pinch roller is set at the middle part of described depression bar, and the axis of described support wheel is positioned at below described pinch roller axis in vertical direction;
Axial consistent axially all with described driving wheel of described support wheel, described pinch roller;
The other end of described depression bar is connected with one end of spring, and the other end of described spring is connected in grinding machine frame;
On described support wheel support, be positioned at the end face side that support wheel deviates from grinder wheel and the location division axially limited jumper bar is set.
2. a kind of centerless fixture on cylindrical grinder according to claim 1, is characterized in that: described location division be axially along left and right to positioning screw.
3. a kind of centerless fixture on cylindrical grinder according to claim 1 and 2, is characterized in that: described driving wheel is rubber roll.
4. a kind of centerless fixture on cylindrical grinder according to claim 1 and 2, is characterized in that: described pinch roller is arranged on described depression bar, and position can along the axial adjustment of described depression bar.
5. a kind of centerless fixture on cylindrical grinder according to claim 1 and 2, is characterized in that: described support wheel is arranged on described support wheel support, its position-adjustable in vertical direction.
6. a kind of centerless fixture on cylindrical grinder according to claim 1 and 2, is characterized in that: the axial length of described depression bar can regulate.
7. a kind of centerless fixture on cylindrical grinder according to claim 3, is characterized in that: described pinch roller is arranged on described depression bar, and position can along the axial adjustment of described depression bar.
8. a kind of centerless fixture on cylindrical grinder according to claim 5, is characterized in that: described driving wheel is rubber roll.
9. a kind of centerless fixture on cylindrical grinder according to claim 3, is characterized in that: the axial length of described depression bar can regulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105154.1A CN104669080B (en) | 2015-03-11 | 2015-03-11 | Centerless fixture for cylindrical grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105154.1A CN104669080B (en) | 2015-03-11 | 2015-03-11 | Centerless fixture for cylindrical grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104669080A true CN104669080A (en) | 2015-06-03 |
| CN104669080B CN104669080B (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510105154.1A Expired - Fee Related CN104669080B (en) | 2015-03-11 | 2015-03-11 | Centerless fixture for cylindrical grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104669080B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355626A (en) * | 2019-06-21 | 2019-10-22 | 谢治高 | A kind of rotor clamping tooling based on cylindrical grinder processing small type stepping motor |
| CN112846964A (en) * | 2021-01-07 | 2021-05-28 | 湖南鸿拓精密制造有限公司 | Grinding machine for processing outer peripheral surface of small end of stepped shaft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240696A (en) * | 1998-06-30 | 2000-01-12 | 日本电气株式会社 | Surface polishing machine |
| JP2002283194A (en) * | 2001-03-23 | 2002-10-03 | Mitsubishi Materials Corp | Centerless grinding method and its grinding machine |
| US20040048551A1 (en) * | 2000-11-03 | 2004-03-11 | Urs Tschudin | Centreless cylindrical grinding machine |
| CN203282292U (en) * | 2013-04-27 | 2013-11-13 | 北京远东恒嘉新材料有限公司 | Centerless grinding device of cylindrical grinder |
| CN104191323A (en) * | 2014-08-04 | 2014-12-10 | 芜湖中驰机床制造有限公司 | Press-down type centerless grinding machine |
| CN204053651U (en) * | 2014-08-04 | 2014-12-31 | 芜湖中驰机床制造有限公司 | A kind of hanger supports workpiece centerless grinder |
| CN204621711U (en) * | 2015-03-11 | 2015-09-09 | 聊城万合工业制造有限公司 | A kind of centerless fixture on cylindrical grinder |
-
2015
- 2015-03-11 CN CN201510105154.1A patent/CN104669080B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240696A (en) * | 1998-06-30 | 2000-01-12 | 日本电气株式会社 | Surface polishing machine |
| US20040048551A1 (en) * | 2000-11-03 | 2004-03-11 | Urs Tschudin | Centreless cylindrical grinding machine |
| JP2002283194A (en) * | 2001-03-23 | 2002-10-03 | Mitsubishi Materials Corp | Centerless grinding method and its grinding machine |
| CN203282292U (en) * | 2013-04-27 | 2013-11-13 | 北京远东恒嘉新材料有限公司 | Centerless grinding device of cylindrical grinder |
| CN104191323A (en) * | 2014-08-04 | 2014-12-10 | 芜湖中驰机床制造有限公司 | Press-down type centerless grinding machine |
| CN204053651U (en) * | 2014-08-04 | 2014-12-31 | 芜湖中驰机床制造有限公司 | A kind of hanger supports workpiece centerless grinder |
| CN204621711U (en) * | 2015-03-11 | 2015-09-09 | 聊城万合工业制造有限公司 | A kind of centerless fixture on cylindrical grinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355626A (en) * | 2019-06-21 | 2019-10-22 | 谢治高 | A kind of rotor clamping tooling based on cylindrical grinder processing small type stepping motor |
| CN110355626B (en) * | 2019-06-21 | 2021-10-08 | 台州大财猫科技有限公司 | Rotor clamping tool for machining small stepping motor based on cylindrical grinding machine |
| CN112846964A (en) * | 2021-01-07 | 2021-05-28 | 湖南鸿拓精密制造有限公司 | Grinding machine for processing outer peripheral surface of small end of stepped shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104669080B (en) | 2017-01-18 |
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Granted publication date: 20170118 Termination date: 20200311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |