CN102554785B - Device for dressing grinding wheel of gear grinding machine - Google Patents
Device for dressing grinding wheel of gear grinding machine Download PDFInfo
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- CN102554785B CN102554785B CN 201110444891 CN201110444891A CN102554785B CN 102554785 B CN102554785 B CN 102554785B CN 201110444891 CN201110444891 CN 201110444891 CN 201110444891 A CN201110444891 A CN 201110444891A CN 102554785 B CN102554785 B CN 102554785B
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- main shaft
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Abstract
The invention discloses a device for dressing the grinding wheel of a gear grinding machine, comprising a shell, a sliding mechanism, a connecting rod mechanism and a dressing wheel linkage mechanism. The sliding mechanism is arranged on the right side of the shell; a servo motor of the sliding mechanism is fixed on the outer surface of the rear wall of the shell through a flange; the output shaft of the servo motor is coaxially connected with a ball screw in the shell; a screw nut is connected with a sliding block on a linear guiderail; one end of a first connecting rod of the connecting rodmechanism is articulated with a lug on the left side of a connecting base; a swinging main shaft of the dressing wheel linkage mechanism is arranged in a vertical mounting hole on the left side of the shell in a penetrating way; and a first locking nut, a rotating encoder and a positioning base are sleeved on the upper end of the swinging main shaft. The device can be used for accurately dressingthe pressure angel of the grinding wheel, and more importantly, the device can be used for continuously dressing the pressure angel of the grinding wheel, thereby overcoming the defects of the traditional method for dressing the grinding wheel. The device has a simple structure, is convenient to manufacture and can be widely popularized and applied to the continuous dressing of the grinding wheelof the gear grinding machine.
Description
Technical field
The present invention relates to a kind of mechanism for the gear grinding machines emery wheel is repaired, specifically, relate in particular to the burring machine of gear grinding machines emery wheel.
Background technology
In the past, when the emery wheel of gear grinding machines is repaired, single cone emery wheel with biplate carries out manual tool setting, finishing, diamond pen with unicuspid is repaired, although these method for trimming can be finished the crushing of standard, but along with the continuous progress of technology, more and more higher to various corrections of the flank shape and the compensation requirement of emery wheel, and above-mentioned method for trimming can't reach these requirements.Accurately repair such as the pressure angle to emery wheel, also quite large even experienced operator finishes the difficulty of finishing operation.More specifically, will produce flank of tooth distortion during to the gear axial modification, at this moment just need the pressure angle of emery wheel is carried out continuous dressing, and traditional grinding wheel dressing method be helpless especially, be badly in need of solving this technical problem for this reason.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can to the pressure angle of emery wheel accurately, the device for dressing grinding wheel of gear grinding machine repaired continuously.
Technical scheme of the present invention is as follows: a kind of device for dressing grinding wheel of gear grinding machine is characterized in that: this trimming device mainly is made of housing (1), slipping mechanism, linkage and freeing wheel link gear, wherein:
A, described slipping mechanism is located at housing (1) right part, this slipping mechanism comprises servomotor (2) and slide block (8), wherein servomotor (2) is fixed with the outer surface of described housing (1) rear wall by connecing dish (3), the output shaft of this servomotor is by interior coaxial connection of ball screw (5) of shaft coupling (4) and housing (1), feed screw nut (6) on the ball screw (5) links to each other with the rear end face of described slide block (8) by Connection Block (7), this slide block is installed on the line slideway (9) of described housing (1) inner bottom surface, and slide block (8) can be along slippage before and after the line slideway (9);
B, described linkage are located in the housing (1) in slipping mechanism left side, this linkage comprises first connecting rod (10) and second connecting rod (11), wherein the lug (7a) of an end of first connecting rod (10) and described Connection Block (7) left part is hinged, the other end of this first connecting rod and described second connecting rod (11) right-hand member are hinged, and first and second connecting rod (10,11) can only rotate in horizontal plane;
C, described freeing wheel link gear are positioned at the left side of linkage, this freeing wheel link gear comprises oscillating spindle (12), supporting seat (16) and main motor (21), wherein oscillating spindle (12) is located in the vertical installing hole of described housing (1) left part, at the ladder shaft part of oscillating spindle upper end from top to bottom successively coaxial package the first locking nut (13), rotary encoder (14) and positioning seat (15), and positioning seat (15) is supported on the vertically place, upper aperture of installing hole of described housing (1);
Described supporting seat (16) is lifted on oscillating spindle (12) lower end, and this supporting seat is fixedly connected with the left end of described second connecting rod (11), in the installing hole of supporting seat (16) bottom, by the bearing horizontal support finishing main shaft (17) is arranged, the anterior coaxial sleeve of finishing main shaft is equipped with freeing wheel (18), and the axial line of the center line of this freeing wheel thickness direction and described oscillating spindle (12) coincides; The driven pulley (19) of described finishing main shaft (17) postmedian links to each other with driving pulley (20) by Timing Belt, this driving pulley is sleeved on the output shaft of described main motor (21), and main motor (21) is contained on the Timing Belt shell (22), and this Timing Belt shell and described supporting seat (16) are fixing.
Adopt before the crushing of this trimming device to gear grinding machines, the right bottom surface by shell is installed in this trimming device on the support arm of gear grinding machines first, and freeing wheel is near the emery wheel of gear grinding machines.When the pressure angle of emery wheel is repaired, servomotor drives Connection Block (7) under the control of digital control system and slide block (8) is done the straight line slippage, the rectilinear motion of Connection Block (7) rotates by the continuous angle that linkage is converted into trace, and rotates before and after driving oscillating spindle (12).Correspondingly, the freeing wheel (18) that links to each other with described oscillating spindle (12) also moves back and forth continuously, and freeing wheel (18) under the drive of main motor around the finishing main shaft (17) the axial line high speed rotating, freeing wheel (18) is just done the interlock that swings and rotate like this, thereby can the pressure angle of emery wheel be carried out accurately, repairs continuously.In the process of continuous dressing, rotary encoder (14) is transferred to digital control system with the detection signal of oscillating spindle (12) rotational angle, and with this detection signal as negative-feedback signal, in order to control more accurately the rotational angle of oscillating spindle (12), so just can carry out continuous dressing to emery wheel more accurately.Adopt above technical scheme, the present invention can not only repair accurately to the pressure angle of emery wheel, and the more important thing is and to carry out continuous dressing to the pressure angle of emery wheel, thereby effectively overcome the defective of traditional method for trimming, simple in structure, easy to make, be suitable in the emery wheel continuous dressing of gear grinding machines, extensively promoting the use.
The two ends of described first connecting rod (10) all are hinged with corresponding Connection Block lug, second connecting rod (11) by studs (23), and lock by the second locking nut (24) the upper and lower end of studs (23), like this can Reliable guarantee first connecting rod (10) and second connecting rod (11) only in horizontal plane, rotate, and first connecting rod (10) and second connecting rod (11) rotate flexibly, are convenient to again install.
On transmission case (25), the rear surface of this transmission case and described supporting seat (16) bottom is fixed by bearings at the rear portion of described finishing main shaft (17), and the rearward end of finishing main shaft (17) is set with the 3rd locking nut (26); Finishing arranges main shaft end cap (27) at described finishing main shaft (17) rear, the rear surface of this finishing main shaft end cap and described transmission case (25) is fixed, and finishing main shaft end cap (27) bottom vertically is provided with the approach switch (28) for detection of described the 3rd locking nut (26) position signalling.
When the situations such as Timing Belt wearing and tearing, the rapid variation of roller stress; will cause Timing Belt stall; produce larger impulsive force; thereby may damage freeing wheel and main motor; by the groove on the 3rd locking nut (26) the locking nut circumference so that approach switch produces pulse signal; and approach switch to control system, so just can effectively be protected freeing wheel and main motor with signal feedback.
Described freeing wheel (18) is clipped in the axle journal of finishing main shaft (17) and adjusts between the packing ring (29), this adjusting pad snare is contained in finishing main shaft (17) front portion, and compressed by gland (30), this gland is fixed by screws in the leading section of described finishing main shaft (17), like this can be securely fixing freeing wheel (18), be convenient to again change freeing wheel (18).
As optimization, be set with successively from top to bottom angular contact bearing (31), spacer (32) and double-row roller bearing (33) on the oscillating spindle (12) in the vertical installing hole of described housing (1).
Beneficial effect: the present invention can not only repair accurately to the pressure angle of emery wheel, and the more important thing is and to carry out continuous dressing to the pressure angle of emery wheel, thereby effectively overcome the defective of traditional method for trimming, simple in structure, easy to make, be suitable in the emery wheel continuous dressing of gear grinding machines, extensively promoting the use.
Description of drawings
Fig. 1 is axonometric drawing of the present invention;
Fig. 2 is dismantle top view behind the top board 34 of Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is that the A-A of Fig. 3 is to cutaway view;
Fig. 5 is the front view of Fig. 2;
Fig. 6 is that the B-B of Fig. 5 is to cutaway view;
Fig. 7 is that the C-C of Fig. 5 is to cutaway view;
Fig. 8 is the partial enlarged drawing of D part among Fig. 4;
Fig. 9 is the lug 7a handing-over schematic diagram of first connecting rod 10 and Connection Block 7 among Fig. 2.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Shown in Fig. 1～7; the present invention is made of housing 1, top board 34, rotary encoder over cap 35, slipping mechanism, linkage and freeing wheel link gear; wherein top board 34 covers at housing 1 right part, and described rotary encoder over cap 35 covers the left part at described housing 1.
Shown in Fig. 1～4, described slipping mechanism is located at the right part of housing 1, this slipping mechanism by servomotor 2, connect dish 3, shaft coupling 4, ball screw 5, feed screw nut 6, Connection Block 7, slide block 8, line slideway 9 and screw mandrel bearing 36 and consist of, wherein servomotor 2 is installed in and connects on the dish 3, and this connects dish 3 and fixes with the outer surface of described housing 1 rear wall.The output shaft of described servomotor 2 is by connecing the shaft coupling 4 and 5 coaxial connections of ball screw in dish 3 endoporus, and the rearward end of this ball screw 5 is supported on the front portion that connects dish 3 endoporus by screw mandrel bearing 36.
Described ball screw 5, feed screw nut 6, Connection Block 7, slide block 8 and line slideway 9 all are contained in the housing 1, wherein the feed screw nut 6 of suit is fixedly connected with Connection Block 7 rear portions on the ball screw 5, the front portion of this Connection Block 7 is fixedly connected with by the rear surface of screw with described slide block 8, and the height of Connection Block 7 is greater than the height of slide block 8.Above-mentioned slide block 8 is installed on the line slideway 9, and this line slideway 9 is located on the inner bottom surface of described housing 1.Under the drive of described servomotor 2, slide block 8 can be along line slideway 9 front and back slippages, thereby the rotation of servomotor 2 output shafts is changed into rectilinear motion.
Shown in Fig. 2,4,8,9, described linkage is located in the housing 1 in slipping mechanism left side, this linkage is made of first connecting rod 10, second connecting rod 11, studs 23, the second locking nut 24 and needle bearing 37, wherein an end of first connecting rod 10 is hinged by the lug 7a of studs 23 with described Connection Block 7 left parts, the end and the lug 7a that are specially first connecting rod 10 all are set on the studs 23 by described needle bearing 37, and the upper end of studs 23 and bottom all are set with described the second locking nut 24.The other end of described first connecting rod 10 is hinged by the right-hand member of studs 23 with second connecting rod 11, the end and second connecting rod 11 right-hand members that are specially first connecting rod 10 all are set on the studs 23 by described needle bearing 37, and the upper end of studs 23 and bottom all are set with described the second locking nut 24, first connecting rod 10 and second connecting rod 11 can only be rotated in horizontal plane, and then rotate at the micro-angle that accurately rectilinear motion of Connection Block 7 is changed into second connecting rod 11 left ends, and the angle delta θ ≈ 180 Δ x/ (π L1) that rotate before and after second connecting rod 11 left ends, wherein L1 is the length of first connecting rod 10, Δ
χStroke for Connection Block 7 front and back slippages.In the present embodiment, the angle of rotating before and after second connecting rod 11 left ends is ± 6 °, and this angle is fully in the accurate transfer scope of the mathematical transfer function of linkage, and this angle can satisfy the job requirement of the emery wheel pressure angle being carried out continuous dressing substantially.
Shown in Fig. 1～7, described freeing wheel link gear is positioned at the left side of linkage, this freeing wheel link gear is by oscillating spindle 12, the first locking nut 13, rotary encoder 14, positioning seat 15, supporting seat 16, finishing main shaft 17, freeing wheel 18, driven pulley 19, driving pulley 20, main motor 21, Timing Belt shell 22, transmission case 25, the 3rd locking nut 26, main shaft end cap 27, approach switch 28, adjust packing ring 29, gland 30, angular contact bearing 31, spacer 32, double-row roller bearing 33 and the 4th locking nut 38 consist of, wherein oscillating spindle 12 is located in the vertical installing hole (not marking among the figure) of described housing 1 left part, at the ladder shaft part of the upper end of oscillating spindle 12 described the first locking nut 13 of coaxial package successively from top to bottom, rotary encoder 14 and positioning seat 15, and positioning seat 15 is supported on the place, upper aperture of described housing 1 vertical installing hole.Described rotary encoder 14 is fixedly connected with positioning seat 15 by screw, and rotary encoder 14 is positioned at described rotary encoder over cap 35.
Be set with successively from top to bottom 2 angular contact bearings 31,1 spacer 32 and 1 double-row roller bearing 33 on the oscillating spindle 12 in described housing 1 vertical installing hole, and separated by the 4th locking nut 38 between top 1 angular contact bearing 31 and the described rotary encoder 14, the 4th locking nut 38 is sleeved on the described oscillating spindle 12, and the 4th locking nut 38 is arranged in the endoporus of described positioning seat 15.
Can find out that such as Fig. 1～7 described supporting seat 16 fixedly is lifted on the lower end of oscillating spindle 12 by screw, and this supporting seat 16 is fixedly connected with the left end of described second connecting rod 11, so just can drives whole freeing wheel link gear and do the rotation of micro-angle.In the installing hole of supporting seat 16 bottoms, by bearing (not marking among the figure) horizontal support finishing main shaft 17 is arranged, this finishing main shaft 17 arranges from front to back, and the anterior coaxial sleeve of finishing main shaft 17 is equipped with freeing wheel 18, and the center line of these freeing wheel 18 thickness directions and the axial line of described oscillating spindle 12 coincide.Simultaneously, freeing wheel 18 is the bipyramid diamond roller of a monolithic, and its tapering half-angle is 20 ° of master gear pressure angles commonly used, and this numerical value can be realized the demand of different pressures angle gear in the industry substantially fully.As optimization, described freeing wheel 18 is clipped in the axle journal of finishing main shaft 17 and adjusts between the packing ring 29, and this adjustment packing ring 29 is sleeved on the front portion of finishing main shaft 17, and is compressed by described gland 30, and this gland 30 is fixed by screws in the leading section of described finishing main shaft 17.
The postmedian coaxial sleeve of described finishing main shaft 17 is equipped with driven pulley 19, and this driven pulley 19 is lonely with finishing main shaft 17 by screw, and driven pulley 19 links to each other with driving pulley 20 by Timing Belt (not marking among the figure).Above-mentioned driving pulley 20 is sleeved on the leading section of described main motor 21 output shafts, and main motor 21 is contained on the Timing Belt shell 22, and this Timing Belt shell 22 is fixed with described supporting seat 16.
The rear portion of described finishing main shaft 17 is supported on the transmission case 25 by bearing (not marking among the figure), and this transmission case 25 is fixed with the rear surface of described supporting seat 16 bottoms.Rearward end at above-mentioned finishing main shaft 17 is set with the 3rd locking nut 26.In the finishing of the rear of described finishing main shaft 17 main shaft end cap 27 is set; this finishing main shaft end cap 27 is fixed with the rear surface of described transmission case 25; and the bottom of finishing main shaft end cap 27 vertically is provided with approach switch 28; this approach switch 28 is for detection of the position signalling of described the 3rd locking nut 26, in order to protect main motor 21 and freeing wheel 18.
The above only is preferred embodiment of the present invention, not take the present invention as restriction, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. device for dressing grinding wheel of gear grinding machine is characterized in that: this trimming device mainly is made of housing (1), slipping mechanism, linkage and freeing wheel link gear, wherein:
A, described slipping mechanism is located at housing (1) right part, this slipping mechanism comprises servomotor (2) and slide block (8), wherein servomotor (2) is fixed with the outer surface of described housing (1) rear wall by connecing dish (3), the output shaft of this servomotor is by interior coaxial connection of ball screw (5) of shaft coupling (4) and housing (1), feed screw nut (6) on the ball screw (5) links to each other with the rear end face of described slide block (8) by Connection Block (7), this slide block is installed on the line slideway (9) of described housing (1) inner bottom surface, and slide block (8) can be along slippage before and after the line slideway (9);
B, described linkage are located in the housing (1) in slipping mechanism left side, this linkage comprises first connecting rod (10) and second connecting rod (11), wherein the lug (7a) of an end of first connecting rod (10) and described Connection Block (7) left part is hinged, the other end of this first connecting rod and described second connecting rod (11) right-hand member are hinged, and first and second connecting rod (10,11) can only rotate in horizontal plane;
C, described freeing wheel link gear are positioned at the left side of linkage, this freeing wheel link gear comprises oscillating spindle (12), supporting seat (16) and main motor (21), wherein oscillating spindle (12) is located in the vertical installing hole of described housing (1) left part, at the ladder shaft part of oscillating spindle upper end from top to bottom successively coaxial package the first locking nut (13), rotary encoder (14) and positioning seat (15), and positioning seat (15) is supported on the vertically place, upper aperture of installing hole of described housing (1);
Described supporting seat (16) is lifted on oscillating spindle (12) lower end, and this supporting seat is fixedly connected with the left end of described second connecting rod (11), in the installing hole of supporting seat (16) bottom, by the bearing horizontal support finishing main shaft (17) is arranged, the anterior coaxial sleeve of finishing main shaft is equipped with freeing wheel (18), and the axial line of the center line of this freeing wheel thickness direction and described oscillating spindle (12) coincides; The driven pulley (19) of described finishing main shaft (17) postmedian links to each other with driving pulley (20) by Timing Belt, this driving pulley is sleeved on the output shaft of described main motor (21), and main motor (21) is contained on the Timing Belt shell (22), and this Timing Belt shell and described supporting seat (16) are fixing.
2. device for dressing grinding wheel of gear grinding machine according to claim 1, it is characterized in that: the two ends of described first connecting rod (10) all are hinged with corresponding Connection Block lug, second connecting rod (11) by studs (23), and lock by the second locking nut (24) the upper and lower end of studs (23).
3. device for dressing grinding wheel of gear grinding machine according to claim 1, it is characterized in that: the rear portion of described finishing main shaft (17) by bearings on transmission case (25), the rear surface of this transmission case and described supporting seat (16) bottom is fixed, and the rearward end of finishing main shaft (17) is set with the 3rd locking nut (26); Finishing arranges main shaft end cap (27) at described finishing main shaft (17) rear, the rear surface of this finishing main shaft end cap and described transmission case (25) is fixed, and finishing main shaft end cap (27) bottom vertically is provided with the approach switch (28) for detection of described the 3rd locking nut (26) position signalling.
4. according to claim 1 or 3 described device for dressing grinding wheel of gear grinding machines, it is characterized in that: described freeing wheel (18) is clipped in the axle journal of finishing main shaft (17) and adjusts between the packing ring (29), this adjusting pad snare is contained in finishing main shaft (17) front portion, and by gland (30) compression, this gland is fixed by screws in the leading section of described finishing main shaft (17).
5. device for dressing grinding wheel of gear grinding machine according to claim 1 is characterized in that: be set with successively from top to bottom angular contact bearing (31), spacer (32) and double-row roller bearing (33) on the oscillating spindle (12) in the vertical installing hole of described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110444891 CN102554785B (en) | 2011-12-27 | 2011-12-27 | Device for dressing grinding wheel of gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110444891 CN102554785B (en) | 2011-12-27 | 2011-12-27 | Device for dressing grinding wheel of gear grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554785A CN102554785A (en) | 2012-07-11 |
| CN102554785B true CN102554785B (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110444891 Active CN102554785B (en) | 2011-12-27 | 2011-12-27 | Device for dressing grinding wheel of gear grinding machine |
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| Country | Link |
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| CN (1) | CN102554785B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225509A (en) * | 2017-06-09 | 2017-10-03 | 上海理工大学 | Emery wheel dresser |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1216612A (en) * | 1968-02-28 | 1970-12-23 | Lindner Gmbh Herbert | Method and apparatus for dressing grinding wheels |
| CN101758303A (en) * | 2009-10-19 | 2010-06-30 | 西安贝吉姆机床股份有限公司 | Grinding wheel finishing mechanism of gear grinding machine with worm grinding wheel |
| CN202462225U (en) * | 2011-12-27 | 2012-10-03 | 重庆机床(集团)有限责任公司 | Dressing device for grinding wheel of gear grinding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4220944B2 (en) * | 2004-07-15 | 2009-02-04 | 三菱重工業株式会社 | Gear grinding machine |
-
2011
- 2011-12-27 CN CN 201110444891 patent/CN102554785B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1216612A (en) * | 1968-02-28 | 1970-12-23 | Lindner Gmbh Herbert | Method and apparatus for dressing grinding wheels |
| CN101758303A (en) * | 2009-10-19 | 2010-06-30 | 西安贝吉姆机床股份有限公司 | Grinding wheel finishing mechanism of gear grinding machine with worm grinding wheel |
| CN202462225U (en) * | 2011-12-27 | 2012-10-03 | 重庆机床(集团)有限责任公司 | Dressing device for grinding wheel of gear grinding machine |
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| CN102554785A (en) | 2012-07-11 |
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