CN203542312U - Universal grinding machine special for machining nuclear power bearing outer ring - Google Patents
Universal grinding machine special for machining nuclear power bearing outer ring Download PDFInfo
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- CN203542312U CN203542312U CN201320760101.XU CN201320760101U CN203542312U CN 203542312 U CN203542312 U CN 203542312U CN 201320760101 U CN201320760101 U CN 201320760101U CN 203542312 U CN203542312 U CN 203542312U
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- nuclear power
- main shaft
- power bearing
- emery wheel
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Abstract
A universal grinding machine special for machining a nuclear power bearing outer ring comprises a machine tool base, a machine tool body, a hydraulic system, an electric control system, a servo system, an electric spindle, a spindle lifting mechanism, a workpiece shaft, a grinding wheel dresser, a workpiece translation mechanism, a supporting assembly, a mechanical arm, a magnetic pole, a grinding wheel, a cutting liquid circulation system and the nuclear power bearing outer ring. By means of the universal grinding machine, time spent in replacing mechanical parts and debugging machining dimension in the prior art is saved under the premise of ensuring machining precision, the universal grinding machine can continue to perform machining only by replacing the magnetic pole, and machining efficiency can be effectively increased.
Description
Technical field
The utility model relates to a kind of grinding machine, particularly a kind of bearing machining special purpose grinder.
Background technology
Numerically control grinder because the variation of outer ring model and appearance and size need to be changed the object that some specific parts reach processing, needs to have debugging and trial production in processing nuclear power bearing outer ring process in Renewal process, process complexity is loaded down with trivial details.
Conventionally, existing numerically control grinder can carry out the replacing of bearing outer ring location and more meet equipment or the part of processing this outer ring in first certified products of start processing, different to the degree of understanding of equipment according to operator, the percent defective occurring in trial production process also has certain difference.
Also there is following problem: adjustment difficulty is very large simultaneously, because numerically control grinder even needs during machine the position manually adjusted many at more exchange device, part, very complicated.Adjust chronicly, very high due to processing staff's experience is required, new hand takes the time can be very long, and in this process, the time more than just needing very go to carry out man-machine break-in.Error rate is high, because processing staff's experience, ability is different, in the process of the test after judging whether to adjust, can cause the learies of processing work to increase.
Utility model content
My company is for the high accuracy nuclear power bearing of current production, special design the more convenient grinding mechanism more efficiently of a kind of processing nuclear power bearing outer ring, guaranteeing under the prerequisite of machining accuracy, can save the time of in the past changing machine components, debugging processing cun method, only need to change magnetic pole and just can continue processing, can effectively promote working (machining) efficiency.
The technical scheme that the utility model is dealt with problems, design a kind of nuclear power bearing outer ring processing Special universal grinding machine, comprise lathe base, lathe bed, hydraulic system, electric-control system, servo-drive system, also comprise electric main shaft, main shaft lifting mechanism, workpiece spindle, dresser, workpiece translational motion mechanism, supporting component, mechanical arm, magnetic pole, emery wheel, the cutting fluid circulatory system, nuclear power bearing outer ring;
Electricity main shaft and main shaft lifting mechanism are two covers, are arranged on respectively work translation mechanism top, and every cover electricity main shaft works alone and moves up and down by main shaft lifting mechanism, and emery wheel is installed in electric main shaft bottom, and electric main shaft drives emery wheel rotation;
Workpiece spindle is arranged in workpiece translational motion mechanism, by driven by motor, is rotated; Magnetic pole is installed on the top of workpiece spindle, after magnetic pole energising, in top annular end face, adsorbs nuclear power bearing outer ring workpiece to be processed; There is certain offset in the axle center of nuclear power bearing outer ring workpiece and the axle center of magnetic pole;
Described magnetic pole comprises magnetic pole base, workpiece support section, chip-removal hole, top annular end face, and chip-removal hole is-individual, is arranged on the sidewall middle part of workpiece support section, and pole center hole is connected to workpiece spindle; Workpiece translational motion mechanism is operating desk, moves in the horizontal direction, and drives workpiece to the relevant position of processing;
Described supporting component comprises: supporting member, shell, shaft coupling, adjustable worm propeller, propeller fixed head, base, base is fixed in workpiece translational motion mechanism, supporting member is connected with adjustable worm propeller by shaft coupling, and coupling part is in shell, and one end installation propeller fixed head of shell carries out spacing to adjustable worm propeller; Rotary adjustable worm propeller, adjusts supporting member and props up workpiece to be processed;
Described dresser comprises diamond roller trimming device, point type trimmer, and point type trimmer comprises straight line trimmer, grinding wheel arc dresser, oblique line trimmer; Described diamond roller trimming device comprises diamond top layer, metal basin, three parts of transmission axis hole, diamond top layer profile designs according to nuclear power bearing ring structure and size, during work, shape and size are by three grades of transmission of diamond roller trimming device → emery wheel → nuclear power bearing ring;
Described straight line trimmer comprises diamond pen a, fixed mount, by fixed mount, diamond pen a is fixed in workpiece translational motion mechanism, and emery wheel moves up and down accomplish linear finishing;
Described grinding wheel arc dresser comprises diamond pen b, trimmer swing arm, upper limit device, lower retainer, diamond pen b is fixed in trimmer swing arm, when trimmer swing arm approaches upper limit device and lower retainer, sensor can feed back to respectively oil inlet pipe and the turnover of the hydraulic oil in flowline that two signals are controlled hydraulic cylinder, thereby make diamond pen b nib point according to the circular arc line size reciprocally swinging of setting, realize circular arc finishing;
Described oblique line trimmer, diamond pen is fixed on oblique line trimmer leading screw and is moved left and right, emery wheel completes and moves up and down according to certain velocity ratio, and finishing emery wheel is out circular halfpace, and this emery wheel is for carrying out grinding to the slope of nuclear power bearing ring;
The described cutting fluid circulatory system: comprise filtration fraction, cooling segment, reuse part, filtration fraction comprises waste liquid transmission network, magnetic roller, drainage rubber rollers, scraper plate, Slag recovering case, waste liquid enters between magnetic roller, drainage rubber rollers after waste liquid transmission network drainage, liquid in drainage rubber rollers absorption waste liquid, magnetic roller is metal cutting slag absorption, and in rotation process, in the Slag recovering case of metal cutting slag below being scraped by scraper plate, the cutting fluid after filtration enters cooling segment through stationary stream precipitation; Cooling segment arranges refrigeration machine, and cutting fluid is cooled to suitable temperature, then the pump by reuse part returns to emery wheel and electric main shaft is cooling;
Described mechanical arm comprises clamping part, fixed part, and clamping part picks and places workpiece, and fixed part is arranged on the mechanical arm installation portion of workpiece translational motion mechanism, and clamping part has coordinated material loading, blanking action with manufacturing procedure according to PLC control instruction.
Beneficial effect
Utilized the most practical modern servo-drive system work translation mechanism, compare the more convenient adjustment of displacement that reaches with manual adjustment bolt before, adjust precision and can reach micron, improved adjustment precision, adjustment time, operator's technical ability is required also to have reduced.
This equipment is two cover main shaft lifting mechanisms, can in a whole set of process, complete corase grind, fine grinding two procedures, needed in the past two equipment to separate, and more in exchange device processing, there will be secondary clamping, precision will decline like this, the time also can be long.
In adjustment process, repeatedly adjust and incessantly wasted the time, in each proof procedure, all can inevitably need processing parts, part can be scrapped in this process, and the design can reduce adjustment total degree, nature, and the learies of part also can reduce.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, introduce in detail the utility model embodiment.
Fig. 1: the structure principle chart of the utility model grinding machine.
Fig. 2: the lathe bed part-structure schematic diagram of the utility model grinding machine.
Fig. 3: the structure principle chart of supporting component.
Fig. 4: the structure principle chart of magnetic pole.
Fig. 5:: the schematic diagram of the cutting fluid circulatory system.
Fig. 6: grinding wheel arc dresser schematic diagram.
Fig. 7: straight line trimmer schematic diagram.
Fig. 8: bearing ring schematic diagram.
Fig. 9: diamond roller trimming device operation principle schematic diagram.
Figure 10: diamond roller trimming device structure principle chart.
Figure 11: oblique line trimmer operation principle schematic diagram.
Figure 12: mechanical arm schematic diagram.
Figure 13: the offset schematic diagram of workpiece and magnetic pole.
Figure 14: mechanical arm is controlled main flow chart.
In figure: 1. lathe base, 2. lathe bed, 3. electric-control system, 4. servo-drive system, 5. electric main shaft, 6. main shaft lifting mechanism, 7. workpiece spindle, 8. workpiece translational motion mechanism, 9. emery wheel, 10. nuclear power bearing ring, 11. mechanical arm installation portions, 12. guide rails, 13. hydraulic systems;
101. straight line trimmers, 1011. diamond pen a, 1012. fixed mounts, 1013. oblique line trimmer leading screws; 102. grinding wheel arc dressers, 1021. diamond pen b, 1022. trimmer swing arms, 1023. upper limit devices, 1024. lower retainer, 1025. hydraulic cylinders, 1026. oil inlet pipes, 1027. flowlines; 103. diamond roller trimming devices, 1031. diamond top layers, 1032. metal basins, 1033. transmission axis holes;
200. supporting components, 201. supporting members, 202. shells, 203. shaft couplings, 204. adjustable worm propellers, 205. propeller fixed heads, 206. bases;
300. mechanical arms, 301. clamping parts, 302. fixed parts;
400. magnetic poles, 401. magnetic pole bases, 402. workpiece support section, 403. chip-removal holes, 404. top annular end face;
The 500. cutting fluid circulatory systems, 501. waste liquid transmission networks, 502. magnetic rollers, 503. drainage rubber rollers, 504. Slag recovering casees, 505. refrigeration machines, 506. pumps;
1001. interior raceways, 1002. internal-and external diameters, 1003. outer internal diameters, 1004. fore shafts, 1005. non-fore shaft ribs, 1006. outer raceways, 1007. bearing inner races, 1008. bearing outer rings;
The specific embodiment
A kind of nuclear power bearing outer ring processing Special universal grinding machine, comprise lathe base 1, lathe bed 2, hydraulic system 13, electric-control system 3, servo-drive system 4, also comprise electric main shaft 5, main shaft lifting mechanism 6, workpiece spindle 7, dresser, workpiece translational motion mechanism 8, supporting component 200, mechanical arm 300, magnetic pole 400, emery wheel 9, the cutting fluid circulatory system 500, nuclear power bearing outer ring 1008;
Electricity main shaft 5 is two covers with main shaft lifting mechanism 6, is arranged on respectively work translation mechanism 8 tops, and every cover electricity main shaft 5 works alone and moves up and down by main shaft lifting mechanism 6, and emery wheel 9 is installed in electric main shaft 5 bottoms, and electric main shaft drives emery wheel 9 rotations;
Described magnetic pole 400 comprises magnetic pole base 401, workpiece support section 402, chip-removal hole 403, top annular end face 404, and chip-removal hole 403 is 2-4, is arranged on the sidewall middle part of workpiece support section 402, and magnetic pole 400 centre bores are connected to workpiece spindle 7; Workpiece translational motion mechanism 8 is operating desk, moves in the horizontal direction, and drives workpiece to the relevant position of processing;
Described supporting component 200 comprises: supporting member 201, shell 202, shaft coupling 203, adjustable worm propeller 204, propeller fixed head 205, base 206, base 206 is fixed in workpiece translational motion mechanism 8, supporting member 201 is connected with adjustable worm propeller 204 by shaft coupling 203, and coupling part is on 202 li, shell, and 205 pairs of adjustable worm propellers 204 of one end installation propeller fixed head of shell 202 carry out spacing; Rotary adjustable worm propeller 204, adjusts supporting member 201 and props up workpiece to be processed;
Described dresser comprises diamond roller trimming device 103, point type trimmer, and point type trimmer comprises straight line trimmer 101, grinding wheel arc dresser 102, oblique line trimmer; Described diamond roller trimming device 103 comprises diamond top layer 1031, metal basin 1032,1,033 three parts of transmission axis hole, diamond top layer 1031 profiles design according to nuclear power bearing ring 10 structures and size, during work, shape and size are by three grades of transmission of diamond roller trimming device → emery wheel → nuclear power bearing ring;
Described straight line trimmer 101 comprises diamond pen a1011, fixed mount 1012, by fixed mount 1012, diamond pen a1011 is fixed in workpiece translational motion mechanism 8, and emery wheel 9 moves up and down accomplish linear finishing;
Described grinding wheel arc dresser 102 comprises diamond pen b1021, trimmer swing arm 1022, upper limit device 1023, lower retainer 1024, diamond pen b1021 is fixed in trimmer swing arm 1022, when trimmer swing arm 1022 approaches upper limit device 1023 and lower retainer 1024, sensor can feed back to respectively oil inlet pipe 1026 and the turnover of the hydraulic oil in flowline 1027 that two signals are controlled hydraulic cylinder 1025, thereby make diamond pen b nib point according to the circular arc line size reciprocally swinging of setting, realize circular arc finishing;
Described oblique line trimmer, diamond pen is fixed on oblique line trimmer leading screw 1013 and is moved left and right, emery wheel 9 completes and moves up and down according to certain velocity ratio, and finishing emery wheel 9 is out circular halfpace, and this emery wheel is for carrying out grinding to the slope of nuclear power bearing ring;
The described cutting fluid circulatory system 500: comprise filtration fraction, cooling segment, reuse part, filtration fraction comprises waste liquid transmission network 501, magnetic roller 502, drainage rubber rollers 503, scraper plate, Slag recovering case 504, waste liquid enters between magnetic roller 502, drainage rubber rollers 503 after waste liquid transmission network 501 drainages, liquid in drainage rubber rollers absorption waste liquid, magnetic roller adsorbs metal cutting slag, in rotation process, in the Slag recovering case 504 of metal cutting slag below being scraped by scraper plate, the cutting fluid after filtration enters cooling segment through stationary stream precipitation; Cooling segment arranges refrigeration machine 505, and cutting fluid is cooled to suitable temperature, then the pump 506 by reuse part returns to emery wheel and electric main shaft is cooling;
Described mechanical arm 300 comprises clamping part 301, fixed part 302, clamping part 301 picks and places workpiece, fixed part 302 is arranged on workpiece translational motion mechanism. and mechanical arm installation portion 11, clamping part 301 has coordinated material loading, blanking action with manufacturing procedure according to PLC control instruction.
Nuclear power bearing outer ring structural style is different, and main grinding position comprises: outer internal diameter 1003, and fore shaft 1004, outer raceway 1006, as schematically shown in Figure 8.So diamond roller profile is designed according to bearing outer ring internal structure and size, shape and size, by three grades of transmission of diamond roller trimming device → emery wheel → nuclear power bearing outer ring, just can realize once finishing, one-time formed object.
Because the peripheral speed at emery wheel each point place is different, cause the material removing rate at each point place different, by actual tests, select applicable grinding wheel speed, grinding wheel graininess, Wheel hardness, to avoid burn lasso or other quality problems.
Nuclear power bearing outer ring surplus is selected: because the shaping form of part is the copy of grinding wheel shape, this must exert an influence to machining accuracy, the inhomogeneous of outer ring grinding allowance also can cause the manufacturing deficiencies such as grinding burn simultaneously, therefore, while using diamond roller trimming device, guarantee that the surplus of workpiece is even.
The utility model is not limited to above-described embodiment, and equivalent concepts or change in any technical scope disclosing at the utility model, all classify protection domain of the present utility model as.
Claims (1)
1. a nuclear power bearing outer ring is processed Special universal grinding machine, comprise lathe base (1), lathe bed (2), hydraulic system (13), electric-control system (3), servo-drive system (4), it is characterized in that: also comprise electric main shaft (5), main shaft lifting mechanism (6), workpiece spindle (7), dresser, workpiece translational motion mechanism (8), supporting component (200), mechanical arm (300), magnetic pole (400), emery wheel (9), the cutting fluid circulatory system (500), nuclear power bearing outer ring (1008);
Electricity main shaft (5) is two covers with main shaft lifting mechanism (6), be arranged on respectively work translation mechanism (8) top, the electric main shaft of every cover (5) works alone and passes through main shaft lifting mechanism (6) and moves up and down, emery wheel (9) is installed in electricity main shaft (5) bottom, and electric main shaft drives emery wheel (9) rotation;
It is upper that workpiece spindle (7) is arranged on workpiece translational motion mechanism (8), by driven by motor, rotated; Magnetic pole (400) is installed on the top of workpiece spindle (7), after magnetic pole (400) energising, in top annular end face (404), adsorbs nuclear power bearing outer ring to be processed (1008) workpiece; There is certain offset in the axle center of nuclear power bearing outer ring (1008) workpiece and the axle center of magnetic pole (400);
Described magnetic pole (400) comprises magnetic pole base (401), workpiece support section (402), chip-removal hole (403), top annular end face (404), chip-removal hole (403) is 2-4, the sidewall middle part that is arranged on workpiece support section (402), magnetic pole (400) centre bore is connected to workpiece spindle (7); Workpiece translational motion mechanism (8) is operating desk, moves in the horizontal direction, and drives workpiece to the relevant position of processing;
Described supporting component (200) comprising: supporting member (201), shell (202), shaft coupling (203), adjustable worm propeller (204), propeller fixed head (205), base (206), base (206) is fixed in workpiece translational motion mechanism (8), supporting member (201) is connected with adjustable worm propeller (204) by shaft coupling (203), and coupling part is inner at shell (202), one end installation propeller fixed head (205) of shell (202) carries out spacing to adjustable worm propeller (204); Rotary adjustable worm propeller (204), adjusts supporting member (201) and props up workpiece to be processed;
Described dresser comprises diamond roller trimming device (103), point type trimmer, and point type trimmer comprises straight line trimmer (101), grinding wheel arc dresser (102), oblique line trimmer; Described diamond roller trimming device (103) comprises diamond top layer (1031), metal basin (1032), (1033) three parts of transmission axis hole, diamond top layer (1031) profile designs according to nuclear power bearing ring (10) structure and size, add man-hour, shape and size are by three grades of transmission of diamond roller trimming device → emery wheel → nuclear power bearing component;
Described straight line trimmer (101) comprises diamond pen a (1011), fixed mount (1012), by fixed mount (1012) by diamond pen a(1011) to be fixed on workpiece translational motion mechanism (8) upper, emery wheel (9) moves up and down accomplish linear finishing;
Described grinding wheel arc dresser (102) comprises diamond pen b (1021), trimmer swing arm (1022), upper limit device (1023), lower retainer (1024), diamond pen b(1021) be fixed in trimmer swing arm (1022), when trimmer swing arm (1022) approaches upper limit device (1023) and lower retainer (1024), sensor can feed back to respectively oil inlet pipe (1026) and the turnover of the hydraulic oil in flowline (1027) that two signals are controlled hydraulic cylinder (1025), thereby make diamond pen b nib point according to the circular arc line size reciprocally swinging of setting, realize circular arc finishing;
Described oblique line trimmer, diamond pen is fixed on oblique line trimmer leading screw (1013) and is moved left and right, emery wheel (9) completes and moves up and down according to certain velocity ratio, finishing emery wheel (9) is out circular halfpace, and this emery wheel is for carrying out grinding to the slope of nuclear power bearing ring;
The described cutting fluid circulatory system (500): comprise filtration fraction, cooling segment, reuse part, filtration fraction comprises waste liquid transmission network (501), magnetic roller (502), drainage rubber rollers (503), scraper plate, Slag recovering case (504), waste liquid enters into magnetic roller (502) after waste liquid transmission network (501) drainage, between drainage rubber rollers (503), liquid in drainage rubber rollers absorption waste liquid, magnetic roller adsorbs metal cutting slag, in rotation process in the Slag recovering case (504) of metal cutting slag below being scraped by scraper plate, cutting fluid after filtration enters cooling segment through stationary stream precipitation, cooling segment arranges refrigeration machine (505), and cutting fluid is cooled to suitable temperature, then the pump (506) by reuse part returns to emery wheel and electric main shaft is cooling,
Described mechanical arm (300) comprises clamping part (301), fixed part (302), clamping part (301) picks and places workpiece, fixed part (302) is arranged on the mechanical arm installation portion (11) of workpiece translational motion mechanism, and clamping part (301) has coordinated material loading, blanking action with manufacturing procedure according to PLC control instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760101.XU CN203542312U (en) | 2013-11-25 | 2013-11-25 | Universal grinding machine special for machining nuclear power bearing outer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760101.XU CN203542312U (en) | 2013-11-25 | 2013-11-25 | Universal grinding machine special for machining nuclear power bearing outer ring |
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| Publication Number | Publication Date |
|---|---|
| CN203542312U true CN203542312U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760101.XU Withdrawn - After Issue CN203542312U (en) | 2013-11-25 | 2013-11-25 | Universal grinding machine special for machining nuclear power bearing outer ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639901A (en) * | 2013-11-25 | 2014-03-19 | 李东炬 | Cutting fluid circulation system of universal grinder special for machining nuclear power bearing rings |
| CN103639875A (en) * | 2013-11-25 | 2014-03-19 | 李东炬 | Universal grinder special for nuclear power bearing outer race machining |
-
2013
- 2013-11-25 CN CN201320760101.XU patent/CN203542312U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639901A (en) * | 2013-11-25 | 2014-03-19 | 李东炬 | Cutting fluid circulation system of universal grinder special for machining nuclear power bearing rings |
| CN103639875A (en) * | 2013-11-25 | 2014-03-19 | 李东炬 | Universal grinder special for nuclear power bearing outer race machining |
| CN103639875B (en) * | 2013-11-25 | 2015-11-18 | 李东炬 | Nuclear power bearing outer ring processing Special universal grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |