CN202317998U - Grinding wheel finishing mechanism for external cylindrical grinding machine - Google Patents

Grinding wheel finishing mechanism for external cylindrical grinding machine Download PDF

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Publication number
CN202317998U
CN202317998U CN2011204111202U CN201120411120U CN202317998U CN 202317998 U CN202317998 U CN 202317998U CN 2011204111202 U CN2011204111202 U CN 2011204111202U CN 201120411120 U CN201120411120 U CN 201120411120U CN 202317998 U CN202317998 U CN 202317998U
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CN
China
Prior art keywords
bearing
main shaft
pressed seat
shaft shoulder
thrust bearing
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.)
Withdrawn - After Issue
Application number
CN2011204111202U
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Chinese (zh)
Inventor
谭忠文
冷若曦
靳静力
黄锦红
冉贞德
姚世屈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Gearbox Co Ltd
Original Assignee
Chongqing Gearbox Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Gearbox Co Ltd filed Critical Chongqing Gearbox Co Ltd
Priority to CN2011204111202U priority Critical patent/CN202317998U/en
Application granted granted Critical
Publication of CN202317998U publication Critical patent/CN202317998U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a grinding wheel finishing mechanism for an external cylindrical grinding machine, comprising a base. A main shaft is fixedly arranged at the upper part of the base; the main shaft is sleeved with a bearing clamping seat; the main shaft is sleeved with a bearing clamping cover above the bearing clamping seat and corresponding to a first shaft shoulder; a first thrust bearing is arranged in the bearing clamping cover; the main shaft is connected with a compression nut above the bearing clamping cover in a threaded manner; the main shaft is sleeved with a deep groove ball bearing corresponding to a second shaft shoulder, and a second thrust bearing is sleeved corresponding to a third shaft shoulder; a lower ring of the second thrust bearing is supported by a third shaft shoulder; the bearing clamping sleeve is arranged between the outer ring of the deep groove ball bearing and the upper ring of the second thrust bearing; a diamond penholder is arranged at the front end of the bearing clamping seat; and an externally-extended diamond pen and a locking bolt capable of locking the diamond pen are arranged on the diamond penholder. The grinding wheel finishing mechanism disclosed by the utility model has the advantages of simple structure and low manufacturing cost, and can meet design requirements on rigidity, stability and grinding precision.

Description

Cylindrical grinder is used wheel dressing mechanism
Technical field
The utility model relates to the burring machine of a kind of cylindrical grinder with emery wheel.
Background technology
The barreled tooth flank spline generally is designed to the soft flank of tooth; Its circular-arc outside circle is the turning finished product directly; But have some load to require big 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 the heat treatment.Therefore, the direct turning finished product of outside circle can not reach designing requirement, need before heat treatment, to leave certain allowance, and grinding outside circle finished product just can reach requirement after heat treatment.But in the prior art, the used emery wheel of cylindrical grinder can not the grinding side bus be circular-arc outside circle.
Therefore those skilled in the art are devoted to develop a kind of cylindrical grinder and use wheel dressing mechanism, and the emery wheel that this burring machine is repaired can the grinding side bus be circular-arc outside circle.
The utility model content
Because the above-mentioned defective of prior art, the utility model technical problem to be solved provides a kind of cylindrical grinder and uses wheel dressing mechanism, and the emery wheel that this burring machine is repaired can the grinding side bus be circular-arc outside circle.
Be the purpose that realizes that this practicality is new, the utility model provides a kind of cylindrical grinder to use wheel dressing mechanism, comprises the base that can be connected with the grinding machine annex; The top of said base is set with main shaft; Said main shaft is a multidiameter, from top to bottom, comprises first shaft shoulder, second shaft shoulder and the 3rd shaft shoulder; Be set with the bearing pressed seat on the said main shaft; Said main shaft above said bearing pressed seat, corresponding said first shaft shoulder place is set with the bearing friction top; Be provided with first thrust bearing in the said bearing friction top; The following circle of said first thrust bearing contacts with the upper surface of said bearing pressed seat; Said main shaft is threaded above said bearing friction top can compress the clamp nut of said bearing friction top; Corresponding said second shaft shoulder place of said main shaft is set with deep groove ball bearing, and corresponding said the 3rd shaft shoulder place is set with second thrust bearing; The inner ring of said deep groove ball bearing is supported by said second shaft shoulder; The upper surface of said deep groove ball bearing and said bearing pressed seat are provided with in the axial direction at interval; The following circle of said second thrust bearing is supported by said the 3rd shaft shoulder; Going up between the circle of the outer ring of said deep groove ball bearing and said second thrust bearing is provided with the bearing clamping sleeve; The front end of said bearing pressed seat is provided with the Buddha's warrior attendant pen stand; Said Buddha's warrior attendant pen stand is provided with an axial hole; Overhanging diamond pen is housed in the said axial hole; Said Buddha's warrior attendant pen stand is provided with the screw that intersects vertically with said axial hole; Be provided with the clamping screw that to lock said diamond pen in the said screw.
For ease of the rolling bearing pressed seat, the rear end of said 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 the cross packing ring between said bearing friction top and the said clamp nut.
For ease of the relative position of adjustment burring machine and grinding machine annex, both sides are provided with U-lag.
For preventing that dust, greasy dirt etc. from getting into burring machine, is provided with first sealing ring between said bearing friction top and the said bearing pressed seat; The bottom of said bearing pressed seat is provided with end cover; Be provided with second sealing ring between said end cover and the said main shaft.
For ease of the assembling of burring machine, the bottom of said base is provided with counterbore, and the diameter of bore of the corresponding said second thrust bearing upper and lower of said bearing pressed seat equates; The diameter of bore at corresponding said second thrust bearing of said bearing pressed seat middle part is greater than the diameter of bore of the said second thrust bearing upper and lower of correspondence.
The beneficial effect of the utility model is: the utility model can be through changing different diamond pen and Buddha's warrior attendant pen stand, thereby realize the correction of the flank shape with emery wheel of the different facewidth, the reconditioning of different arc radius barreled tooth flank tip circle; Simultaneously, the utility model is simple in structure, low cost of manufacture, and rigidity, stability and grinding accuracy all can meet design requirement.
Description of drawings
Fig. 1 is the structural representation of barreled tooth flank blank in the utility model one specific embodiment.
Fig. 2 is the sketch map of procedure of processing one in the utility model one specific embodiment.
Fig. 3 is the sketch map of procedure of processing two in the utility model one specific embodiment.
Fig. 4 is the sketch map of procedure of processing three in the utility model one specific embodiment.
Fig. 5 is the sketch map of procedure of processing four in the utility model one specific embodiment.
Fig. 6 is the sketch map of procedure of processing five in the utility model one specific embodiment.
Fig. 7 is the structural representation of burring machine in the utility model one specific embodiment.
Fig. 8 is the structural representation of base and main shaft in the utility model one specific embodiment.
Fig. 9 is that the A of Fig. 8 is to view.
Figure 10 is another method for using sketch map of burring machine in the utility model one specific embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 has showed the blank of a barreled tooth flank; Before the grinding, the radius of its profile is R, and the pairing diameter of circle-arc tooth tip circle peak is D1; This blank is processed into finished product through a kind of facewidth greater than the processing method of the hard flank of tooth barreled tooth flank of grinding wheel width, and this processing method may further comprise the 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, and the pairing diameter of circle-arc tooth tip circle peak is milled to D2 from D1, and is as shown in Figure 2;
2) shape of emery wheel 27 is trimmed to corresponding, as shown in Figure 3 with the contour shape on right side, finished product barreled tooth flank facewidth middle part, the radius R 2 of right side circular arc equates in the middle part of the arc radius R4 of emery wheel 27 and the barreled tooth flank facewidth;
The semi arch on right side, 3) grinding barreled tooth flank facewidth middle part, and make this semi arch and step 1 a 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, and is as shown in Figure 4;
4) shape of emery wheel is trimmed to corresponding, as shown in Figure 5 with the contour shape in left side, finished product barreled tooth flank facewidth middle part, the radius R 3 of circular arc equates on the left of the arc radius R5 of emery wheel 27 and the barreled tooth flank facewidth middle part;
The semi arch in left side, 5) grinding barreled tooth flank facewidth middle part, and make this semi arch and step 1 a 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 with wheel dressing mechanism that through cylindrical grinder like Fig. 7, Fig. 8 and shown in Figure 9, this burring machine comprises the base 24 that can be connected with the grinding machine annex, and the bottom of base 24 is provided with counterbore 25, and both sides are provided with U-lag 26.
The top of base 24 is set with main shaft 1, and main shaft 1 is a multidiameter, from top to bottom, comprises first shaft shoulder 1a, second shaft shoulder 1b and the 3rd shaft shoulder 1c.
Be set with bearing pressed seat 6 on the main shaft 1.Main shaft 1 above bearing pressed seat 6, corresponding first shaft shoulder 1a place is set with bearing friction top 12; What compression axis held friction top 12 but main shaft 1 is threaded above bearing friction top 12 compresses hex nut 14, bearing friction top 12 and compress and be provided with cross packing ring 15 between the hex nut 14.
The following circle that is provided with first thrust bearing, 13, the first thrust bearings 13 in the bearing friction top 12 contacts with the upper surface 6a of bearing pressed seat 6.
Main shaft 1 corresponding second shaft shoulder 1b place is set with deep groove ball bearing 10, and corresponding the 3rd shaft shoulder 1c place is set with second thrust bearing 8.
The inner ring of deep groove ball bearing 10 is supported by second shaft shoulder 1b, and the upper surface of deep groove ball bearing 10 and bearing pressed seat 6 are provided with in the axial direction at interval.The following circle of second thrust bearing 8 is supported by the 3rd shaft shoulder 1c, and going up between the circle of the outer ring of deep groove ball bearing 10 and 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 through bolt 17 and pin 20; Buddha's warrior attendant pen stand 16 is provided with an axial hole 26; Overhanging diamond pen 19 is housed in the axial hole 26; Buddha's warrior attendant pen stand 16 is provided with the screw 21 that intersects vertically with axial hole 26, is provided with the clamping screw 18 that can lock diamond pen 16 in the screw 21.
The diameter of bore of bearing pressed seat 6 corresponding second thrust bearings 8 upper and lowers equates that the diameter of bore at corresponding second thrust bearing 8 middle parts is greater than the diameter of bore of corresponding second thrust bearing 8 upper and lowers.
The rear end of bearing pressed seat 6 is provided with handle 7.
Be provided with first sealing ring 11 between bearing friction top 12 and the bearing pressed seat 6.The bottom of bearing pressed seat 6 is provided with end cover 5, is provided with second sealing ring 4 between end cover 5 and the main shaft 1.
Adopt burring machine to carry out said method, be installed on the machine tool accessories 23 through T type bolt 2 and the base 24 of adjustment nut 3 with burring machine earlier, whether inspection each fastening bolt of burring machine and clamp nut 14 places safe pretension.Because the base bottom is set to U-lag; T type bolt 2 is connected with adjustment nut 3 after passing U-lag, so when adjustment nut 3 unclamps, the position of adjustable trimming grinding machine structure on machine tool accessories 23; So that the left side or the right side of the nib of diamond pen 19 and emery wheel 27 align; Screw then and adjust nut 3,, the relative grinding machine annex 23 of burring machine is fixed with locking T type bolt 2.
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, promptly accomplish the crushing process; In the step 4), unclamp adjustment nut 3, the position of adjustment burring machine on machine tool accessories 23; The nib and emery wheel 27 left sides of diamond pen 19 are aligned, as shown in Figure 5, and locking T type bolt 2; Operator's handle 7 of holding with a firm grip starts the 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, accomplish the crushing process.
On the other hand, it is following less than its method of barreled tooth flank of grinding wheel width to utilize burring machine also can process the facewidth:
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 whether safe pretension of each fastening bolt of burring machine and clamp nut place; C. adjust the position of burring machine on guideway of grinding machine, diamond pen and grinding wheel width center are aligned, shown in accompanying drawing 10, and guarantee that diamond pen does not contact with emery wheel before lathe starts, locking T type bolt; D. operator's handle of holding with a firm grip starts the 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, accomplish the crushing process; E. realize the grinding of hard flank of tooth outside circle by the cylindricalo grinding normal running.
If highly variant vertically, then can adjust diamond pen 19 height in the vertical through changing different Buddha's warrior attendant pen stands 16 by the barreled tooth flank of grinding; If diamond pen is laterally needing to finely tune with the relative position of emery wheel, the tight bolt 18 of releasable lock then, diamond pen 19 adjusted to appropriate position after, tighten lock screw 18 and get final product.
More than describe the preferred embodiment of the utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variation according to the design of the utility model.Therefore, all technical staff in the art according to the design of the utility model on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in determined protection domain by claims.

Claims (6)

1. a cylindrical grinder is used wheel dressing mechanism, it is characterized in that: comprise the base (24) that can be connected with the grinding machine annex; The top of said base (24) is set with main shaft (1); Said main shaft (1) is a multidiameter, from top to bottom, comprises first shaft shoulder (1a), second shaft shoulder (1b) and the 3rd shaft shoulder (1c);
Be set with bearing pressed seat (6) on the said main shaft (1); Said main shaft (1) locates to be set with bearing friction top (12) at top, corresponding said first shaft shoulder (1a) of said bearing pressed seat (6);
Be provided with first thrust bearing (13) in the said bearing friction top (12); The following circle of said first thrust bearing (13) contacts with the upper surface (6a) of said bearing pressed seat (6);
The clamp nut (14) that said main shaft (1) is threaded and can compresses said bearing friction top (12) in the top of said bearing friction top (12);
Corresponding said second shaft shoulder of said main shaft (1) (1b) locates to be set with deep groove ball bearing (10), and corresponding said the 3rd shaft shoulder (1c) locates to be set with second thrust bearing (8);
The inner ring of said deep groove ball bearing (10) is supported by said second shaft shoulder (1b); The upper surface of said deep groove ball bearing (10) and said bearing pressed seat (6) are provided with in the axial direction at interval; The following circle of said second thrust bearing (8) is supported by said the 3rd shaft shoulder (1c); Going up between the circle of the outer ring of said deep groove ball bearing (10) and said second thrust bearing (8) is provided with bearing clamping sleeve (9);
The front end of said bearing pressed seat (6) is provided with Buddha's warrior attendant pen stand (16); Said Buddha's warrior attendant pen stand (16) is provided with an axial hole (26); Overhanging diamond pen (19) is housed in the said axial hole (26); Said Buddha's warrior attendant pen stand (16) is provided with the screw (21) that intersects vertically with said axial hole (26); Be provided with the clamping screw (18) that to lock said diamond pen (16) in the said screw (21).
2. cylindrical grinder as claimed in claim 1 is used wheel dressing mechanism, it is characterized in that: the rear end of said bearing pressed seat (6) is provided with handle (7).
3. cylindrical grinder as claimed in claim 1 is used wheel dressing mechanism, it is characterized in that: be provided with cross packing ring (15) between said bearing friction top (12) and the said clamp nut (14).
4. use wheel dressing mechanism like claim 1 or 2 or 3 described cylindrical grinders, it is characterized in that; Both sides are provided with U-lag (26).
5. use wheel dressing mechanism like claim 1 or 2 or 3 described cylindrical grinders, it is characterized in that: be provided with first sealing ring (11) between said bearing friction top (12) and the said bearing pressed seat (6); The bottom of said bearing pressed seat (6) is provided with end cover (5); Be provided with second sealing ring (4) between said end cover (5) and the said main shaft (1).
6. use wheel dressing mechanism like claim 1 or 2 or 3 described cylindrical grinders, it is characterized in that: the bottom of said base (24) is provided with counterbore (25); The diameter of bore of corresponding said second thrust bearing (8) of said bearing pressed seat (6) upper and lower equates; The diameter of bore at corresponding said second thrust bearing of said bearing pressed seat (6) (8) middle part is greater than the diameter of bore of said second thrust bearing of correspondence (8) upper and lower.
CN2011204111202U 2011-10-26 2011-10-26 Grinding wheel finishing mechanism for external cylindrical grinding machine Withdrawn - After Issue CN202317998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204111202U CN202317998U (en) 2011-10-26 2011-10-26 Grinding wheel finishing mechanism for external cylindrical grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204111202U CN202317998U (en) 2011-10-26 2011-10-26 Grinding wheel finishing mechanism for external cylindrical grinding machine

Publications (1)

Publication Number Publication Date
CN202317998U true CN202317998U (en) 2012-07-11

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Application Number Title Priority Date Filing Date
CN2011204111202U Withdrawn - After Issue CN202317998U (en) 2011-10-26 2011-10-26 Grinding wheel finishing mechanism for external cylindrical grinding machine

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501176A (en) * 2011-10-26 2012-06-20 重庆齿轮箱有限责任公司 Method for machining crown tooth with hard tooth surface, and truing mechanism for grinding wheel of cylindrical grinding machine
CN103659609A (en) * 2013-12-11 2014-03-26 甘肃海林中科科技股份有限公司 Method for machining crown of outer ring raceway of tapered roller bearing through non-numerical-control internal grinder
CN104526503A (en) * 2014-12-15 2015-04-22 中国燃气涡轮研究院 Integrated blade disk and blade tip curved surface numerical control grinding device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501176A (en) * 2011-10-26 2012-06-20 重庆齿轮箱有限责任公司 Method for machining crown tooth with hard tooth surface, and truing mechanism for grinding wheel of cylindrical grinding machine
CN103659609A (en) * 2013-12-11 2014-03-26 甘肃海林中科科技股份有限公司 Method for machining crown of outer ring raceway of tapered roller bearing through non-numerical-control internal grinder
CN104526503A (en) * 2014-12-15 2015-04-22 中国燃气涡轮研究院 Integrated blade disk and blade tip curved surface numerical control grinding device and method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20120711

Effective date of abandoning: 20140319

AV01 Patent right actively abandoned

Granted publication date: 20120711

Effective date of abandoning: 20140319