CN200960618Y - Electromagnetic brake for machine tool main shaft - Google Patents
Electromagnetic brake for machine tool main shaft Download PDFInfo
- Publication number
- CN200960618Y CN200960618Y CN 200620027481 CN200620027481U CN200960618Y CN 200960618 Y CN200960618 Y CN 200960618Y CN 200620027481 CN200620027481 CN 200620027481 CN 200620027481 U CN200620027481 U CN 200620027481U CN 200960618 Y CN200960618 Y CN 200960618Y
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- China
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- main
- cannelure
- machine tool
- electromagnetic brake
- coil
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Abstract
The utility model discloses an electromagnetic brake device with simple structure, reliable operation and low cost, used in lathe main shaft, wherein one end of a linkage is provided with a spring sheet, an armature and a main magnetic yoke, while the linkage, the spring sheet and the armature are fixed integrally, the end of the main magnetic yoke opposite the armature is provided with a first annular groove which contains a main winding and a friction sheet in turn, another end of the linkage is provided with a degaussing element composed of a degaussing winding in a second annular groove at the end of a degaussing magnetic yoke, while the degaussing winding is near the linkage end, the first and second annular grooves are respectively arranged with a through hole, and the lead-out wires of the main winding and the degaussing winding are respectively guided outside the through holes, the friction sheet, the main winding and the degaussing winding are adhered and fixed in relative grooves via epoxy resin, and the diameters, coils and resistances of the degaussing winding and the main winding are same.
Description
Technical field
The utility model relates to a kind of lathe brake, relates in particular to a kind of machine tool chief axis brake.
Background technology
Require at machine industry under the prerequisite of a large amount of automations, can promptly be widely applied with the electromagnetic brake that stops by the simple realization spindle operation, in the lathe use, the tiny iron filings that cut are easy to by the magnetized main shaft absorption of electromagnetic brake.Parts such as iron filings that adsorb in the running of lathe and lead screw pair, bearing grind afterwards, cause machine tool accuracy to descend, cisco unity malfunction, and this also is a big problem that perplexs machine industry in recent years.At present, for solving the problem of machine tool chief axis remanent magnetism absorption iron filings in the prior art, be badly in need of developing a kind of electromagnetic brake that can prevent main shaft band magnetic.
The utility model content
In order to overcome deficiency of the prior art, it is a kind of simple and reasonable that the utility model provides, reliable operation, the electromagnetic brake that is used for machine tool chief axis with low cost.
In order to solve the problems of the technologies described above, the utility model is achieved with following technical proposals.An end that connects at electromagnetic brake is disposed with spring leaf, armature and main yoke composition, described connection, spring leaf and armature are fixed as one, described main yoke is disposed with main coil and friction plate in the face of the end face of armature is provided with first cannelure in described first cannelure; The other end of described connection is provided with the demagnetization parts, and described demagnetization parts are made up of the anti-magnetized coil in second cannelure that is arranged on demagnetization yoke end face, and described anti-magnetized coil is adjacent with the connection end face; Be respectively arranged with through hole on described first cannelure and described second cannelure, the lead-out wire of described main coil and described anti-magnetized coil is drawn by through hole respectively.
The utility model is used for the electromagnetic brake of machine tool chief axis, and wherein, the interior surface of revolution of described demagnetization yoke is provided with step, and described step surface is respectively applied for and holds described main yoke and shaft coupling.Described through hole leads to axial hole by radial hole successively, is respectively arranged with the lead-out wire protection in described radial hole and the axial hole and blocks up.Described friction plate, main coil and anti-magnetized coil are solidificated in described first cannelure and described second cannelure by adhering with epoxy resin respectively.Described anti-magnetized coil is identical with the line footpath of described main coil, the number of turn is identical, resistance value is identical.
Compared with prior art, the utlity model has following beneficial effect:
Generally, because the machine tool chief axis brake adopts electromagnetic brake, be to utilize electromagnetic force to stop transmitting moment of torsion, electromagnetic brake also makes machine tool chief axis be magnetized in the process that stops the transmission moment of torsion, then cause the metal fillings lapping machine parts of main shaft absorption, machine tool accuracy is descended, finally cause the lathe cisco unity malfunction.Because the electromagnetic brake that the utility model is used for machine tool chief axis prevents magnetized function and mainly relies on the main coil of main yoke and the anti-magnetized coil in the demagnetization yoke to realize, promptly utilize the electromagnetic wire direction opposite, the principle that magnetic force is offset, eliminated the phenomenon of the residue magnetic force that the machine tool chief axis that exists in the prior art has, thereby prevented from effectively to be magnetized when spindle brake main shaft in the process of termination transmission moment of torsion, avoid its absorption metal fillings, prolong the service life of spindle unit, guaranteed the operate as normal of lathe.
Description of drawings
Fig. 1 is that the structure master that the utility model is used for the electromagnetic brake of machine tool chief axis looks cutaway view;
Fig. 2 is a demagnetization modular construction amplification view in as shown in Figure 1 the utility model.
Be the explanation of main Reference numeral in the utility model Figure of description below:
1---main yoke 2---main coil 3---friction plate
4---armature 5---spring leaf 6---connections
7---demagnetization yoke 8---anti-magnetized coil 9---lead-out wire protection is stifled
10---rubber blocks up 11---epoxy resin 12---lead-out wire
13---main shaft 14---first circular trough 15---second cannelures
16---through hole
Specific embodiments
As depicted in figs. 1 and 2, the utility model is used for the electromagnetic brake of machine tool chief axis, its structure is that an end of the connection 6 on main shaft is disposed with spring leaf 5, armature 4 and main yoke 1 are formed, described connection 6, spring leaf 5 and armature 4 are fixed as one, can adopt riveted and fixed between them, described main yoke 1 is provided with first cannelure 14 in the face of the end face of armature 4, be disposed with main coil 2 and friction plate 3 in described first cannelure 14, described friction plate 3 and main coil 2 are by epoxy resin 11 bonding being solidificated in described first cannelure 14, and friction plate 3 is adjacent with armature 4; The other end of described connection 6 is provided with the demagnetization parts, described demagnetization parts are made up of the anti-magnetized coil 8 in second cannelure 15 that is arranged on demagnetization yoke 7 end faces, the interior surface of revolution of described demagnetization yoke 7 is provided with step, described step surface aligns with the end face of described main yoke 1 and connection 6 respectively, described anti-magnetized coil 8 is by epoxy resin 11 bonding being solidificated in described second cannelure 15, and described anti-magnetized coil 8 is adjacent with the end face that connects 6; Be respectively arranged with through hole 16 on described first cannelure 14 and described second cannelure 15, the lead-out wire 12 of described main coil 2 and described anti-magnetized coil 8 is drawn by through hole 16 respectively, described through hole 16 successively radially the hole lead to axial hole, be respectively arranged with lead-out wire protection stifled 9 in described radial hole or the axial hole.Described anti-magnetized coil 8 is identical with the line footpath of described main coil 2, the number of turn is identical, resistance value is identical.
The utility model is used for the appearance and size of electromagnetic clutch of machine tool chief axis and the concrete size that installation dimension can be determined each several part according to the main shaft of different model lathe, and its outline overall and installing dimensions is correspondingly mated.In like manner, the parameter of described coil also is to select according to the characteristics of machine tool chief axis, for example: the parameter of anti-magnetized coil and main coil is consistent, can select the wire range 0.27-0.35 millimeter of coil, number of turn scope 580-700 circle, resistance range 30-42 ohm, its formation are dipping lacquer wrapping backs with poured with epoxy resin in the magnetic inversion line ring recess of separately annular.
Describe the 26S Proteasome Structure and Function of the relevant critical piece of the utility model brake in detail below in conjunction with accompanying drawing:
The endoporus of brake is formed by the endoporus that connects 6, is used for connecting with lathe working-spindle 13.The outer ring profile of described main yoke 1 mills flat processing, process the plane so that install, in addition, on this outer ring screw hole is arranged, be used for being connected with the lathe casing, the position, intermediate portion is provided with first cannelure 14, promptly be used for placing the groove of main coil 2 and friction plate 3, friction plate 3 can be formed by wear-resisting friction material compacting, and is bonded in epoxy resin 11 in the cannelure of main yoke 1, the cylindrical of its cannelure is provided with radially wire hole, and the outlet that is used for main coil 2 lead-out wires 12 is used.Have radial slot on the inner ring of armature 4 and the outer ring, the centre has counterbore and via hole, utilize rivet to pass spring leaf 5 from the side of spring leaf 5 and penetrate counterbore, with rivet driver with spring leaf 5 and armature 4 riveted joints firmly, its via hole is used to hold spring leaf 5 and the rivet cap that connects 6 riveted joint usefulness.Also be provided with on described demagnetization yoke 7 outer rings and be used for the screw hole that is connected with the lathe casing, the left side of demagnetization yoke 7 is used for the location of main yoke 1, the step surface of rotary surface is provided with the axial hole that connects with second cannelure (being the coil recess of anti-magnetized coil 8) in the demagnetization yoke 7, in this axial hole, be provided with lead-out wire protection stifled 9, be used for the protection of anti-magnetized coil 7 lead-out wires 12
The operation principle that the utility model is used for the electromagnetic clutch of machine tool chief axis is: when electromagnetic brake is switched on, electromagnetic force inhales armature 4 to main yoke 1, pressing friction sheet 3 because main yoke 1 is to maintain static, is braked load by the moment of friction between armature 4 and the friction plate 3.Simultaneously, magnetic force that demagnetization yoke 7 produces and the magnetic force on the main shaft 13 are cancelled out each other and are reached balance, thereby main shaft 13 is not magnetized.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under the enlightenment of this real utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection of the present utility model.
Claims (5)
1. electromagnetic brake that is used for machine tool chief axis, an end that connects is disposed with spring leaf, armature and main yoke and forms, described connection, spring leaf and armature are fixed as one, described main yoke is disposed with main coil and friction plate in the face of the end face of armature is provided with first cannelure in described first cannelure; It is characterized in that:
The other end of described connection is provided with the demagnetization parts, and described demagnetization parts are made up of the anti-magnetized coil in second cannelure that is arranged on demagnetization yoke end face, and described anti-magnetized coil is adjacent with the connection end face;
Be respectively arranged with through hole on described first cannelure and described second cannelure, the lead-out wire of described main coil and described anti-magnetized coil is drawn by through hole respectively.
2. the electromagnetic brake that is used for machine tool chief axis according to claim 1 is characterized in that: the interior surface of revolution of described demagnetization yoke is provided with step, described step surface be respectively applied for hold, described main yoke and connection.
3. the electromagnetic brake that is used for machine tool chief axis according to claim 1 is characterized in that: described through hole leads to axial hole by radial hole successively, is respectively arranged with the lead-out wire protection in described radial hole and the axial hole and blocks up.
4. the electromagnetic brake that is used for machine tool chief axis according to claim 1 is characterized in that: described friction plate, main coil and anti-magnetized coil are solidificated in described first cannelure and described second cannelure by adhering with epoxy resin respectively.
5. the electromagnetic brake that is used for machine tool chief axis according to claim 1 is characterized in that: described anti-magnetized coil is identical with the line footpath of described main coil, the number of turn is identical, resistance value is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027481 CN200960618Y (en) | 2006-09-29 | 2006-09-29 | Electromagnetic brake for machine tool main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027481 CN200960618Y (en) | 2006-09-29 | 2006-09-29 | Electromagnetic brake for machine tool main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200960618Y true CN200960618Y (en) | 2007-10-17 |
Family
ID=38797127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620027481 Expired - Fee Related CN200960618Y (en) | 2006-09-29 | 2006-09-29 | Electromagnetic brake for machine tool main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200960618Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554677A (en) * | 2011-11-10 | 2012-07-11 | 贵州英特利智能控制工程研究有限责任公司 | Braking method and braking device for rotating shaft of numerical control machine |
| CN104493608A (en) * | 2014-12-29 | 2015-04-08 | 浙江恒大数控机床制造有限公司 | Magnetic card lock device for main shaft stopping of numerical control machine tool and control method thereof |
-
2006
- 2006-09-29 CN CN 200620027481 patent/CN200960618Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554677A (en) * | 2011-11-10 | 2012-07-11 | 贵州英特利智能控制工程研究有限责任公司 | Braking method and braking device for rotating shaft of numerical control machine |
| CN104493608A (en) * | 2014-12-29 | 2015-04-08 | 浙江恒大数控机床制造有限公司 | Magnetic card lock device for main shaft stopping of numerical control machine tool and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071017 Termination date: 20091029 |