CN202070961U - Cylindrical grinder of numerically controlled automatic bearing ring - Google Patents
Cylindrical grinder of numerically controlled automatic bearing ring Download PDFInfo
- Publication number
- CN202070961U CN202070961U CN2011201084063U CN201120108406U CN202070961U CN 202070961 U CN202070961 U CN 202070961U CN 2011201084063 U CN2011201084063 U CN 2011201084063U CN 201120108406 U CN201120108406 U CN 201120108406U CN 202070961 U CN202070961 U CN 202070961U
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- cylindrical grinder
- axle box
- lathe bed
- numerical control
- carriage
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Abstract
The utility model provides a cylindrical grinder of a numerically controlled automatic bearing ring, which comprises a grinder body, a reciprocating workbench, a grinding wheel shaft box, a workpiece shaft box, a grinding wheel finisher, a lengthways feeding driving mechanism, a transverse feeding driving mechanism, a cooling system, a hydraulic lubricating system, a CNC (computerized numerical control) control system host machine, an operation panel and an electrical cabinet, wherein the reciprocating workbench is arranged on the grinder body, the grinding wheel shaft box is arranged on a rear seat of the grinder body, the workpiece shaft box and the grinding wheel finisher are arranged on the reciprocating workbench; the lengthways feeding driving mechanism, the transverse feeding driving mechanism and the hydraulic lubricating system are arranged in the grinder body the cooling system and the electrical cabinet are arranged at the rear side of the grinder body, the CNC control system host machine and the operation panel are suspended above the right of the workbench, and the reciprocating workbench is arranged on a guide way of the grinder body. The cylindrical grinder is simple and compact in structure, high in static rigidity and dynamic rigidity, exact in positioning, good in vibration resistance and vibration reduction, good in precision retentivity, less in frictional wear, long in service life, easy to operate, and easy to maintain, and has the advantages of being safe, energy-saving, environment-friendly, attractive and the like.
Description
Technical field
The utility model relates to bearing series products process equipment, relates in particular to a kind of bearer ring cylindrical grinder.
Background technology
Bearing industry is used for the employed equipment of bearing series products Cylindrical Grinding Processes at present, and majority is a plain external grinding machine, universal grinding machine external, and centreless grinding machine external, it fastens five sixties of century Soviet Union's formula cylindrical grinder, the imitation products of centreless grinding machine external.It is the cylindrical grinder that the independently developed bearer ring raceway grinding machine of late nineteen seventies early eighties in last century still has the Soviet Union's formula crankshaft grinding machine repacking of five sixties of part that sub-fraction is arranged, and occupies suitable proportion in bearer ring cylindricalo grinding.These device structures fall behind, and performance is inferior to have lagged far behind present bearing products production needs, and have following outstanding problem aspect the product processing: (1) product size scope is less than normal.(generally in Φ 500mm).(2) processing of wide-angle external diameter and bearing inner ring raceway lacks equipment.(3) positioning accuracy and rotating accuracy are low, and dynamic stiffiness is poor, make institute's converted products dimensional accuracy low, and shape and site error are big, and surface accuracy is poor, can't satisfy the product quality requirement, has to increase super essence and polishing process.(4) the not enough generation of lathe rigidity vibrated, and can't carry out high-speed powerful grinding.(5) fretting wear causes that the machine tool accuracy retentivity is poor, fault is many, service life is short.(6) the anchor clamps positioning accuracy is low, and the requirement of installation way incompatibility bearing ring parts influences converted products dimensional accuracy and shape and positional precision.(7) grinding wheel spindle and workpiece spindle structure are outmoded, can't satisfy present high-speed powerful grinding requirement.(8) accuracy of manufacture of feeding transmission system, component abrasion lack corresponding monitoring and compensation again, make batch machining product size distribution scattered error excessive, are unfavorable for size grouping trap.(9) machining large sphere, circular cone raceway, track convex degree processing are lacked the equipment that adapts, special-shaped raceway is difficult to accurate grinding.(10) machine shield weak effect, oil impregnate leak seriously, can not effectively protect when emery wheel produces fragmentation.
The utility model content
The purpose of this utility model provide a kind of simple in structure, applicability is strong, the range of work is wide, high accuracy, high efficiency, easy to operate, stable performance, the automatic bearer ring cylindrical grinder of numerical control reliable, long service life.
The technical scheme that the utility model is adopted for achieving the above object is: the automatic bearer ring cylindrical grinder of a kind of numerical control, comprise lathe bed, carriage, the emery wheel axle box, the workpiece axle box, dresser, the length feed transmission mechanism, the traverse feed transmission mechanism, cooling system, oil pumping system, CNC control system main frame and guidance panel, electrical control cubicles, described carriage is installed on the lathe bed, the emery wheel axle box is installed on the lathe bed back seat, the workpiece axle box, dresser is installed on the carriage, the length feed transmission mechanism, the traverse feed transmission mechanism, oil pumping system is installed on lathe bed inside, cooling system, electrical control cubicles places the lathe bed rear side, CNC control system main frame and guidance panel hang on the carriage upper right side, and carriage places on the bed ways.
Described workpiece axle box right-hand member is equipped with electric magnetic no-core clamp.
Described length feed transmission mechanism and traverse feed transmission mechanism comprise servomotor, shaft coupling and ball-screw, and servomotor is connected with ball-screw by shaft coupling.
Described workpiece spindle upper box part is provided with the workpiece spindle transmission system, and the workpiece spindle lower box part is provided with workpiece axle box angle scale.
Described guide rail is the hydrostatic slideway that is provided with the static pressure groove.
Described emery wheel axle box below is installed on the planker, and lathe bed is provided with the planker seat, is provided with carriage rail between planker and the planker seat, and carriage rail is for intersecting the roller rolling guide, and the planker seat is installed on the lathe bed rear side, is furnished with the grating chi on the planker.
Described lathe bed is provided with traverse feed handwheel and length feed handwheel.
Described lathe bed is provided with hydraulic control mechanism.
Flexible protective cover is installed on the described carriage.
On the described workpiece axle box plug-type protective cover is installed.
The automatic bearer ring cylindrical grinder of numerical control of the present utility model, simple and compact for structure, static state and dynamic stiffiness are strong, accurate positioning, the antivibration vibration damping is good, precision stability is good, fretting wear is light, long service life, easy to operate, easy-maintaining, also have safety, energy-saving and environmental protection, an outstanding advantage such as attractive in appearance.Wide, the suitable processing external diameter of converted products size and type scope; Cylinder, circular cone, sphere, special-shaped raceway in the bearer ring; Ring rib and external cylindrical surface and outer conical surface Crowning Grinding processing in can carrying out.Institute's converted products dimensional accuracy, shape and positional precision, surface accuracy all are greatly improved, tool high accuracy, high efficiency, the manageable outstanding feature of batch machining product size decentralization are particularly suitable for many kinds, medium batch bearing outside diameter and the outer raceway precision of interior ring, half accurate grinding processing use.
Description of drawings
Fig. 1 is the automatic bearer ring cylindrical grinder of the utility model numerical control master TV structure figure.
Fig. 2 is that the automatic bearer ring cylindrical grinder of the utility model numerical control is horizontal, the structure chart of length feed transmission mechanism.
The specific embodiment
The automatic bearer ring cylindrical grinder of the utility model numerical control structure as shown in Figure 1, comprise lathe bed 1, carriage 6, emery wheel axle box 14, workpiece axle box 9, dresser 12, the length feed transmission mechanism, the traverse feed transmission mechanism, cooling system, oil pumping system, CNC control system main frame and guidance panel 15, electrical control cubicles, described carriage 6 is installed on the lathe bed 1, emery wheel axle box 14 is installed on lathe bed 1 back seat, workpiece axle box 9, dresser 12 is installed on the carriage 6, the length feed transmission mechanism, the traverse feed transmission mechanism, oil pumping system is installed on lathe bed 1 inside, cooling system, electrical control cubicles is installed on lathe bed 1 rear side, the built-in labyrinth type dividing plate of tank for coolant volume super large of cooling system, and be provided with the magnetic water separation device, assurance cooling fluid abundance, cleaning, good heat dissipation effect satisfies the high-speed powerful grinding demand.CNC control system main frame and guidance panel 15 are positioned at carriage 6 tops, and carriage 6 belows are equipped with guide rail.Flexible protective cover 16 is installed on the carriage 6.
Lathe bed 1 is the monoblock cast of high-strength abrasion-proof cast iron, through twice Ageing Treatment, lathe bed 1 guide rail is widened than same specification product guide pass, span strengthens between two guide rails, on guide pass, produce the static pressure groove, be hydrostatic slideway, and implemented the independent fuel feeding in branch chamber, the processing of lathe bed 1 working face of guide rail correct grinding is after smart scraping processing.The positioning accuracy height, running resistance is little, bearing capacity is strong, operate steadily, do not have fretting wear, precision stability is good, the antivibration damping property is arranged preferably, increase the service life.Lathe bed 1 is provided with traverse feed handwheel 3 and length feed handwheel 5, is used for the position of manual fine-tuning joint carriage 6.Lathe bed 1 is provided with hydraulic control mechanism 4.
Workpiece axle box 9 tops are provided with workpiece spindle transmission system 10, carriage 6 left end workpiece axle boxes 9 bottoms are provided with workpiece axle box angle scale 7, can adjust workpiece spindle centre of gyration horizontal adjusting angle, strengthen the needs that grinding work piece cylindrical cone angle satisfies grinding wide-angle bearing inner ring raceway, enlarge the converted products type.Workpiece axle box 9 is positioned at above the workpiece axle box angle scale 7, and workpiece spindle transmission system 10 is by frequency control motor, reductor and one group of workpiece spindle transmission system that pulley concial disk is formed.Its workpiece spindle front end positioning support is a heavy wool wedge hybrid sliding bearing, the oil supply system that its hydraulic oil is made up of special fuel tank, oil filter, the quantitative Swing line oil pump of level pressure and pressure switch is supplied with, and dynamic and hydrostatic bearing is mated the reliable taper bush adjustment of fit clearance between axle journal.It is characterized in that " static pressure startup, dynamic pressure operation, positioning accuracy height, no fretting wear, precision stability have stronger dynamic stiffiness well, and stronger antivibration vibration-damping function is arranged, and are particularly suitable for the powerful grinding of high accuracy.Its radial and axial positioning support in workpiece spindle rear end is one group and applied the angular contact ball bearing that gives application of load, and positioning accuracy height, revolution rigidity are strong, need not in the use to adjust.Its workpiece spindle power driving belt wheel is equipped with relief arrangement, and the radial load that belt pull is produced does not exert an influence to spindle rotation accuracy.Play the antivibration damping effect.
Make boss, raised brim for the inner hole of bed body that oil impregnate leaks occurring.Prevent that cutting fluid and unclean oil from sneaking into fuel tank and infiltrate to precision transmission system position initiating failure.
Workpiece axle box 9 front ends are equipped with magnetic holding device 8, and it is made up of anchor clamps housing, ironcore choke, floral disc, locating pad and workpiece fulcrum, and dresser 12 is positioned at carriage 6 centre positions.Make institute's converted products radial location retrained by fulcrum, be not subjected to the anchor clamps accuracy of manufacture, clamp wear and alignment error influence guarantee datum coincidence when repeating to install.Plug-type protective cover 11 is installed, protection wide coverage, big, the good looking appearance, easy to use of safety coefficient on the workpiece axle box 9.
The horizontal and vertical feeding transmission mechanism of lathe structure as shown in Figure 2, form by being positioned at carriage 6 following lathe bed 1 servomotor 17, shaft coupling 18 and ball-screws 21, servomotor 17 is connected with ball-screw 21 by shaft coupling 18, ball-screw 21 is equipped with leading screw seat 19 near shaft coupling 18 1 ends, ball-screw 21 is provided with nut seat 20, drags the grinding wheel stand planker.Arbitrary dimension external diameter and bearing inner ring raceway in program that can in the product grinding process, set and the parameter grinding scope of being imported by the CNC control system, the transmission accuracy height, location dimension is accurate, can adapt to various dissimilar raceway ditch shape plane difference and add the worker; Also can repair forming grinding wheel with the parameter of input by setup program, carry out cut-in type plunge grinding processing.
Its CNC main frame and control panel 15 hang on lathe bed 1 upper right side, concentrate digital display screen, indicator lamp, lighted push button are eye-catching in one, running status clear display.Control is convenient, tracing and monitoring comes into plain view, and can prevent maloperation, have automatic control interlocking and automatic fault to detect and the automatic shutdown protection function.
The automatic bearer ring cylindrical grinder of numerical control of the present utility model design parameter chooses and all elements, accessory all meet national security, environmental protection standard, meets national existing technical standard.It is characterized in that: safety and environmental protection makes things convenient for element, accessory to change.
The automatic bearer ring cylindrical grinder of numerical control of the present utility model is simple and compact for structure, the precision height, and static rigidity and dynamic stiffiness are strong, and precision stability is good, and is simple to operate, and fault is few, long service life.The present invention has filled up the large scale scope, the blank of major diameter emery wheel high-speed grinding bearer ring cylindrical.Make that to be fit to the machining bearing product type more, size section is wideer, uses when especially being fit to the powerful accurate automatic grinding of medium-and-large-sized bearer ring external diameter of the medium batch of many kinds and inner race high speed.
Claims (10)
1. automatic bearer ring cylindrical grinder of numerical control, it is characterized in that: comprise lathe bed (1), carriage (6), emery wheel axle box (14), workpiece axle box (9), dresser (12), the length feed transmission mechanism, the traverse feed transmission mechanism, cooling system, oil pumping system, CNC control system main frame and guidance panel (15), electrical control cubicles, described carriage (6) is installed on the lathe bed (1), emery wheel axle box (14) is installed on lathe bed (1) back seat, workpiece axle box (9), dresser (12) is installed on the carriage (6), the length feed transmission mechanism, the traverse feed transmission mechanism, oil pumping system is installed on lathe bed (1) inside, cooling system, electrical control cubicles places lathe bed (1) rear side, CNC control system main frame and guidance panel (15) hang on carriage (6) upper right side, and carriage (6) places on the bed ways.
2. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: described workpiece axle box (9) right-hand member is equipped with electric magnetic no-core clamp (8).
3. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1, it is characterized in that: described length feed transmission mechanism and traverse feed transmission mechanism comprise servomotor (17), shaft coupling (18) and ball-screw (21), and servomotor (17) is connected with ball-screw (21) by shaft coupling (18).
4. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: described workpiece axle box (9) top is provided with workpiece spindle transmission system (10), and workpiece axle box (9) bottom is provided with workpiece axle box angle scale (7).
5. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: described guide rail is the hydrostatic slideway that is provided with the static pressure groove.
6. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1, it is characterized in that: described emery wheel axle box (14) below is installed on the planker, lathe bed (1) is provided with the planker seat, be provided with carriage rail between planker and the planker seat, carriage rail is for intersecting the roller rolling guide, the planker seat is installed on lathe bed (1) rear side, is furnished with the grating chi on the planker.
7. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: described lathe bed (1) is provided with traverse feed handwheel (3) and length feed handwheel (5).
8. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: described lathe bed (1) is provided with hydraulic control mechanism (4).
9. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: flexible protective cover (16) is installed on the described carriage (6).
10. the automatic bearer ring cylindrical grinder of a kind of numerical control according to claim 1 is characterized in that: plug-type protective cover (11) is installed on the described workpiece axle box (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201084063U CN202070961U (en) | 2011-04-14 | 2011-04-14 | Cylindrical grinder of numerically controlled automatic bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201084063U CN202070961U (en) | 2011-04-14 | 2011-04-14 | Cylindrical grinder of numerically controlled automatic bearing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202070961U true CN202070961U (en) | 2011-12-14 |
Family
ID=45109071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201084063U Expired - Fee Related CN202070961U (en) | 2011-04-14 | 2011-04-14 | Cylindrical grinder of numerically controlled automatic bearing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202070961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189447A (en) * | 2011-04-14 | 2011-09-21 | 大连沃飞亚装备制造有限公司 | Numerical control automatic bearing ring excircle grinding machine |
| CN105773359A (en) * | 2016-03-16 | 2016-07-20 | 温州职业技术学院 | Outer surface force control type flexible polishing equipment of bearing outer ring |
-
2011
- 2011-04-14 CN CN2011201084063U patent/CN202070961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189447A (en) * | 2011-04-14 | 2011-09-21 | 大连沃飞亚装备制造有限公司 | Numerical control automatic bearing ring excircle grinding machine |
| CN105773359A (en) * | 2016-03-16 | 2016-07-20 | 温州职业技术学院 | Outer surface force control type flexible polishing equipment of bearing outer ring |
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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: 20111214 Termination date: 20140414 |