CN102501176B - Truing mechanism for grinding wheel of cylindrical grinding machine - Google Patents
Truing mechanism for grinding wheel of cylindrical grinding machine Download PDFInfo
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- CN102501176B CN102501176B CN201110327863.6A CN201110327863A CN102501176B CN 102501176 B CN102501176 B CN 102501176B CN 201110327863 A CN201110327863 A CN 201110327863A CN 102501176 B CN102501176 B CN 102501176B
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Abstract
The invention discloses a method for machining a crown tooth of which the tooth width is greater than that of a grinding wheel, and which has a hard tooth surface, and a special device. The method comprises the following steps of: 1) grinding the middle part of the tooth width of the crown tooth according to the design size of a crown tooth finished product; 2) truing the grinding wheel to ensure that the shape of the grinding wheel corresponds to the profile of one side of the middle part of the tooth width of the crown tooth; 3) grinding the semicircle of one side of the middle part of the tooth width of the crown tooth to ensure that the semicircle is in smooth transition with an excircle which is ground in the step 1); 4) truing the grinding wheel to ensure that the shape of the grinding wheel corresponds to the profile of the other side of the middle part of the tooth width of the crown tooth finished product; and 5) grinding the semicircle of the other side of the middle part of the tooth width of the crown tooth to ensure that the semicircle is in smooth transition with the excircle which is ground in the step 1). The grinding wheel for grinding the tip circle of crown teeth with different diameters and arc radii can be shaped by replacing different diamond pens or diamond pen seats; and a truing mechanism is simple in structure and low in manufacturing cost, and the rigidity, stability and grinding accuracy of the truing mechanism can meet the design requirement.
Description
Technical field
The present invention relates to a kind of processing method of hard flank of tooth barreled tooth flank, also relate to the burring machine of emery wheel for a kind of cylindrical grinder.
Background technology
Barreled tooth flank spline is generally designed to the soft flank of tooth, its circular-arc outside circle is turning finished product directly, but have some load to require large barreled tooth flank spline to require the hard flank of tooth of carburizing and quenching, and its outside circle dimensional tolerance and roughness have relatively high expectations, and will consider the heat treatment deformation after heat treatment.Therefore, the direct turning finished product of outside circle can not reach designing requirement, need before heat treatment, leave certain allowance, and grinding outside circle finished product just can reach requirement after heat treatment.But in prior art, cylindrical grinder emery wheel used can not grinding side bus be circular-arc outside circle, when particularly the facewidth is greater than grinding wheel width, adopt existing method can not grinding to go out the barreled tooth flank of the hard flank of tooth.
Therefore those skilled in the art are devoted to develop the processing method that a kind of facewidth is greater than the hard flank of tooth barreled tooth flank of grinding wheel width, and the grinding wheel finishing mechanism for external cylindrical grinding machine of realizing the method.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide the processing method that a kind of facewidth is greater than the hard flank of tooth barreled tooth flank of grinding wheel width, and the grinding wheel finishing mechanism for external cylindrical grinding machine of realizing the method.
For realizing the object of the first level of the present invention, the invention provides the processing method that a kind of facewidth is greater than the hard flank of tooth barreled tooth flank of grinding wheel width, comprise the following steps:
1) utilize cylindrical grinder by the middle part of the design size grinding barreled tooth flank facewidth of barreled tooth flank finished product;
2) shape of emery wheel is trimmed to corresponding with the contour shape of finished product barreled tooth flank facewidth middle part one side;
3) semi arch of grinding barreled tooth flank facewidth middle part one side, and make this semi arch and step 1) institute cylindrical grinding rounding off;
4) shape of emery wheel is trimmed to corresponding with the contour shape of finished product barreled tooth flank facewidth middle part opposite side;
5) semi arch of grinding barreled tooth flank facewidth middle part opposite side, and make this semi arch and step 1) institute cylindrical grinding rounding off.
For realizing the object of the present invention's the second aspect, the present invention also provides a kind of grinding wheel finishing mechanism for external cylindrical grinding machine, comprises the base that can be connected with grinding machine annex; The top of described base is fixedly installed main shaft; Described main shaft is multidiameter, from top to bottom, comprises first shaft shoulder, second shaft shoulder and the 3rd shaft shoulder; On described main shaft, be set with bearing pressed seat; Described main shaft above described bearing pressed seat, corresponding described the first shaft shoulder place is set with bearing friction top; In described bearing friction top, be provided with the first thrust bearing; The lower circle of described the first thrust bearing contacts with the upper surface of described bearing pressed seat; Described main shaft is threaded and can compresses the clamp nut of described bearing friction top above described bearing friction top; Corresponding described the second shaft shoulder place of described main shaft is set with deep groove ball bearing, and corresponding described the 3rd shaft shoulder place is set with the second thrust bearing; The inner ring of described deep groove ball bearing is supported by described second shaft shoulder; The upper surface of described deep groove ball bearing and described bearing pressed seat in the axial direction interval arrange; The lower circle of described the second thrust bearing is supported by described the 3rd shaft shoulder; Between the outer ring of described deep groove ball bearing and the upper circle of described the second thrust bearing, be provided with bearing clamping sleeve; The front end of described bearing pressed seat is provided with Buddha's warrior attendant pen stand; On described Buddha's warrior attendant pen stand, be provided with an axial hole; Overhanging diamond pen is housed in described axial hole; On described Buddha's warrior attendant pen stand, be provided with the screw intersecting vertically with described axial hole; In described screw, be provided with the clamping screw that can lock described diamond pen.
For ease of rolling bearing pressed seat, the rear end of described bearing pressed seat is provided with handle.
For preventing that the vibration of crushing process medium and low frequency from making clamp nut loosening, is provided with cross packing ring between described bearing friction top and described clamp nut.
For ease of adjusting the relative position of burring machine and grinding machine annex, the both sides of base are provided with U-lag.
For preventing that dust, greasy dirt etc. from entering burring machine, is provided with the first sealing ring between described bearing friction top and described bearing pressed seat; The bottom of described bearing pressed seat is provided with end cover; Between described end cover and described main shaft, be provided with the second sealing ring.
For ease of the assembling of burring machine, the bottom of described base is provided with counterbore, and the diameter of bore of corresponding described the second thrust bearing upper and lower of described bearing pressed seat equates; The diameter of bore at corresponding described the second thrust bearing middle part of described bearing pressed seat is greater than the diameter of bore of corresponding described the second thrust bearing upper and lower.
The invention has the beneficial effects as follows: the present invention can be by changing different diamond pen and Buddha's warrior attendant pen stand, thereby realize the correction of the flank shape of emery wheel for the different facewidth, different arc radius barreled tooth flank tip circle reconditioning; The related burring machine of the present invention is simple in structure, low cost of manufacture, and rigidity, stability and grinding accuracy all can meet design requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of barreled tooth flank blank in the embodiment of the invention.
Fig. 2 is the schematic diagram of procedure of processing one in the embodiment of the invention.
Fig. 3 is the schematic diagram of procedure of processing two in the embodiment of the invention.
Fig. 4 is the schematic diagram of procedure of processing three in the embodiment of the invention.
Fig. 5 is the schematic diagram of procedure of processing four in the embodiment of the invention.
Fig. 6 is the schematic diagram of procedure of processing five in the embodiment of the invention.
Fig. 7 is the structural representation of burring machine in the embodiment of the invention.
Fig. 8 is the structural representation of base and main shaft in the embodiment of the invention.
Fig. 9 is that the A of Fig. 8 is to view.
Figure 10 is another using method schematic diagram of burring machine in the embodiment of the invention.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 has shown the blank of a barreled tooth flank, before grinding, the radius of its profile is R, and the corresponding diameter of circle-arc tooth tip circle peak is D1, the processing method that this blank is greater than the hard flank of tooth barreled tooth flank of grinding wheel width by a kind of facewidth is processed into finished product, and this processing method comprises the following steps:
1), by the middle part of the design size grinding barreled tooth flank facewidth of barreled tooth flank finished product, the arc radius that is about to facewidth middle part is milled to R1 from R, the corresponding diameter of circle-arc tooth tip circle peak is milled to D2 from D1, as shown in Figure 2;
2) shape of emery wheel 27 is trimmed to corresponding with the contour shape on right side, finished product barreled tooth flank facewidth middle part, as shown in Figure 3, in the middle part of the arc radius R4 of emery wheel 27 and the barreled tooth flank facewidth, the radius R 2 of right side circular arc equates;
3) semi arch on right side, grinding barreled tooth flank facewidth middle part, and make this semi arch and a step 1 cylindrical grinding rounding off, the arc radius that is about to right side, facewidth middle part is milled to R2 from R, and makes R2 and R1 rounding off, as shown in Figure 4;
4) shape of emery wheel is trimmed to corresponding with the contour shape in finished product barreled tooth flank facewidth middle part left side, as shown in Figure 5, on the left of the arc radius R5 of emery wheel 27 and barreled tooth flank facewidth middle part, the radius R 3 of circular arc equates;
5) semi arch in left side, grinding barreled tooth flank facewidth middle part, and make this semi arch and a step 1 cylindrical grinding rounding off, as shown in Figure 6, the arc radius that is about to left side, facewidth middle part is milled to R3 from R, and makes R3 and R1 rounding off.
In the present embodiment, above-mentioned processing method realizes by grinding wheel finishing mechanism for external cylindrical grinding machine, and as shown in Figure 7, Figure 8 and Figure 9, this burring machine comprises the base 24 that can be connected with grinding machine annex, and the bottom of base 24 is provided with counterbore 25, and both sides are provided with U-lag 28.
The top of base 24 is fixedly installed main shaft 1, and main shaft 1 is multidiameter, from top to bottom, comprises the first shaft shoulder 1a, the second shaft shoulder 1b and the 3rd shaft shoulder 1c.
On main shaft 1, be set with bearing pressed seat 6.Main shaft 1 above bearing pressed seat 6, corresponding the first shaft shoulder 1a place is set with bearing friction top 12, main shaft 1 is threaded and can compression axis holds the compression hex nut 14 of friction top 12 above bearing friction top 12, bearing friction top 12 and compress between hex nut 14 and be provided with cross packing ring 15.
The lower circle that is provided with the first thrust bearing 13, the first thrust bearings 13 in bearing friction top 12 contacts with the upper surface 6a of bearing pressed seat 6.
Corresponding the second shaft shoulder 1b place of main shaft 1 is set with deep groove ball bearing 10, and corresponding the 3rd shaft shoulder 1c place is set with the second thrust bearing 8.
The inner ring of deep groove ball bearing 10 is supported by the second shaft shoulder 1b, and the upper surface of deep groove ball bearing 10 and bearing pressed seat 6 in the axial direction interval arrange.The lower circle of the second thrust bearing 8 is supported by the 3rd shaft shoulder 1c, between the outer ring of deep groove ball bearing 10 and the upper circle of the second thrust bearing 8, is provided with bearing clamping sleeve 9.
The front end of bearing pressed seat 6 is connected with Buddha's warrior attendant pen stand 16 by bolt 17 and pin 20, on Buddha's warrior attendant pen stand 16, be provided with an axial hole 26, overhanging diamond pen 19 is housed in axial hole 26, on Buddha's warrior attendant pen stand 16, be provided with the screw 21 intersecting vertically with axial hole 26, in screw 21, be provided with the clamping screw 18 that can lock diamond pen 19.
The diameter of bore of corresponding the second thrust bearing 8 upper and lowers of bearing pressed seat 6 is equal, and the diameter of bore at corresponding the second thrust bearing 8 middle parts is greater than the diameter of bore of corresponding the second thrust bearing 8 upper and lowers.
The rear end of bearing pressed seat 6 is provided with handle 7.
Between bearing friction top 12 and bearing pressed seat 6, be provided with the first sealing ring 11.The bottom of bearing pressed seat 6 is provided with end cover 5, is provided with the second sealing ring 4 between end cover 5 and main shaft 1.
Adopt burring machine to carry out said method, first by T-shaped bolt 2 and adjusting nut 3, the base of burring machine 24 is installed on grinding machine annex 23, check each fastening bolt of burring machine and compress the whether safe pretension in hex nut 14 places.Because base bottom is set to U-lag, T-shaped bolt 2 is connected with adjusting nut 3 through after U-lag, therefore when adjusting nut 3 unclamps, the position of capable of regulating slot trimming mechanism on grinding machine annex 23, so that left side or the right side of the nib of diamond pen 19 and emery wheel 27 align, then screw adjusting nut 3, to lock T-shaped bolt 2, make the relative grinding machine annex 23 of burring machine fixing.
In above-mentioned steps 2) in, operator's handle 7 of holding with a firm grip, starts grinder wheel, and low speed and uniform rotation handle 7 make the nib contact emery wheel 27 of diamond pen 19 and rotate through whole emery wheel, complete crushing process; In step 4), unclamp adjusting nut 3, adjust the position of burring machine on grinding machine annex 23, the nib of diamond pen 19 and emery wheel 27 left sides are aligned, as shown in Figure 5, and lock T-shaped bolt 2, operator's handle 7 of holding with a firm grip, starts lathe emery wheel, low speed and uniform rotation handle 7, make the nib contact emery wheel 27 of diamond pen 19 and rotate through whole emery wheel, completing crushing process.
On the other hand, utilizing burring machine also can process the facewidth, to be less than its method of barreled tooth flank of grinding wheel width as follows:
A. adjust the size of stretching out of diamond pen, guarantee that the radius of gyration R6 size on diamond pen nib summit is identical with barreled tooth flank tip circle design radial; B. check the whether safe pretension in each fastening bolt of burring machine and clamp nut place; C. adjust the position of burring machine on guideway of grinding machine, make diamond pen and grinding wheel width central alignment, as shown in Figure 10, and guarantee that diamond pen does not contact with emery wheel before lathe starts, and locks T-shaped bolt; D. operator's handle of holding with a firm grip, starts lathe emery wheel, and low speed and uniform rotation handle make Buddha's warrior attendant nib contact emery wheel and rotate through whole emery wheel, complete crushing process; E. by cylindricalo grinding normal operating, realize the grinding of hard flank of tooth outside circle.
If the barreled tooth flank being ground, longitudinally highly variant, can, by changing different Buddha's warrior attendant pen stands 16, be adjusted diamond pen 19 height in the vertical; If diamond pen needs fine setting at the relative position of horizontal and emery wheel, the tight bolt 18 of releasable lock, adjusts to diamond pen 19 behind appropriate position, tightens lock screw 18.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (6)
1. a grinding wheel finishing mechanism for external cylindrical grinding machine, is characterized in that: comprise the base (24) that can be connected with grinding machine annex; The top of described base (24) is fixedly installed main shaft (1); Described main shaft (1) is multidiameter, from top to bottom, comprises first shaft shoulder (1a), second shaft shoulder (1b) and the 3rd shaft shoulder (1c);
On described main shaft (1), be set with bearing pressed seat (6); Described main shaft (1) locates to be set with bearing friction top (12) at top, corresponding described first shaft shoulder (1a) of described bearing pressed seat (6);
In described bearing friction top (12), be provided with the first thrust bearing (13); The lower circle of described the first thrust bearing (13) contacts with the upper surface (6a) of described bearing pressed seat (6);
Described main shaft (1) is threaded and can compresses the clamp nut (14) of described bearing friction top (12) in the top of described bearing friction top (12);
Corresponding described second shaft shoulder of described main shaft (1) (1b) locates to be set with deep groove ball bearing (10), and corresponding described the 3rd shaft shoulder (1c) locates to be set with the second thrust bearing (8);
The inner ring of described deep groove ball bearing (10) is supported by described second shaft shoulder (1b); The upper surface of described deep groove ball bearing (10) and described bearing pressed seat (6) in the axial direction interval arrange; The lower circle of described the second thrust bearing (8) is by described the 3rd shaft shoulder (1c) supporting; Between the upper circle of the outer ring of described deep groove ball bearing (10) and described the second thrust bearing (8), be provided with bearing clamping sleeve (9);
The front end of described bearing pressed seat (6) is provided with Buddha's warrior attendant pen stand (16); On described Buddha's warrior attendant pen stand (16), be provided with an axial hole (26); Overhanging diamond pen (19) is housed in described axial hole (26); On described Buddha's warrior attendant pen stand (16), be provided with the screw (21) intersecting vertically with described axial hole (26); In described screw (21), be provided with the clamping screw (18) that can lock described diamond pen (19).
2. grinding wheel finishing mechanism for external cylindrical grinding machine as claimed in claim 1, is characterized in that: the rear end of described bearing pressed seat (6) is provided with handle (7).
3. grinding wheel finishing mechanism for external cylindrical grinding machine as claimed in claim 1, is characterized in that: between described bearing friction top (12) and described clamp nut (14), be provided with cross packing ring (15).
4. the grinding wheel finishing mechanism for external cylindrical grinding machine as described in claim 1 or 2 or 3, is characterized in that: the both sides of described base (24) are provided with U-lag (28).
5. the grinding wheel finishing mechanism for external cylindrical grinding machine as described in claim 1 or 2 or 3, is characterized in that: between described bearing friction top (12) and described bearing pressed seat (6), be provided with the first sealing ring (11); The bottom of described bearing pressed seat (6) is provided with end cover (5); Between described end cover (5) and described main shaft (1), be provided with the second sealing ring (4).
6. the grinding wheel finishing mechanism for external cylindrical grinding machine as described in claim 1 or 2 or 3, is characterized in that: the bottom of described base (24) is provided with counterbore (25); The diameter of bore of corresponding described the second thrust bearing (8) of described bearing pressed seat (6) upper and lower equates; The diameter of bore at corresponding described the second thrust bearing of described bearing pressed seat (6) (8) middle part is greater than the diameter of bore of corresponding described the second thrust bearing (8) upper and lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327863.6A CN102501176B (en) | 2011-10-26 | 2011-10-26 | Truing mechanism for grinding wheel of cylindrical grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327863.6A CN102501176B (en) | 2011-10-26 | 2011-10-26 | Truing mechanism for grinding wheel of cylindrical grinding machine |
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| CN102501176A CN102501176A (en) | 2012-06-20 |
| CN102501176B true CN102501176B (en) | 2014-03-19 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103659606A (en) * | 2012-09-17 | 2014-03-26 | 广西玉柴机器股份有限公司 | Tool and method for trimming carborundum grinding wheels |
| CN103128627B (en) * | 2013-02-18 | 2016-06-08 | 洛阳轴研科技股份有限公司 | A kind of ball head pin bulb grinding processing method and device |
| CN105082090B (en) * | 2015-08-28 | 2017-03-29 | 上海无线电设备研究所 | A kind of high-strength accurate slew gear |
| CN111618741A (en) * | 2020-06-10 | 2020-09-04 | 山东蓝宇精密轴承制造有限公司 | Grinding machine emery wheel circular arc trimmer |
| CN113155444B (en) * | 2021-01-26 | 2022-11-08 | 重庆齿轮箱有限责任公司 | Calibration method for detecting grinding burn of carburized and quenched gear by magnetic-elastic method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3502064A (en) * | 1967-02-23 | 1970-03-24 | Saginaw Machine & Tool Co | Shaft mounting assembly for wheel dresser or the like |
| DE4126862C1 (en) * | 1991-08-14 | 1992-12-17 | Schleifmaschinenwerk Gmbh, O-9034 Chemnitz, De | Mounting holder for exchangeable truing roller - has fixed bearing housing, retaining hollow shaft extension in coaxial threaded extension |
| JP3725017B2 (en) * | 2000-11-02 | 2005-12-07 | 株式会社岳将 | Gear grinding method and gear grinding apparatus using ultrasonic waves |
| JP2007190617A (en) * | 2006-01-17 | 2007-08-02 | Micron Seimitsu Kk | Liquid cooling type in-process/centerless grinding method and apparatus therefor |
| CN201366656Y (en) * | 2009-02-19 | 2009-12-23 | 常州工学院 | Forming grinding wheel dressing device |
| CN201446310U (en) * | 2009-03-31 | 2010-05-05 | 常州德劢精密传动有限公司 | Grinding device of gear tooth surface |
| CN202317998U (en) * | 2011-10-26 | 2012-07-11 | 重庆齿轮箱有限责任公司 | Grinding wheel finishing mechanism for external cylindrical grinding machine |
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