CN1297371C - Multifunction diamond grinding wheel dresser based on auxiliary discharging in gas - Google Patents
Multifunction diamond grinding wheel dresser based on auxiliary discharging in gas Download PDFInfo
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- CN1297371C CN1297371C CNB2004100664348A CN200410066434A CN1297371C CN 1297371 C CN1297371 C CN 1297371C CN B2004100664348 A CNB2004100664348 A CN B2004100664348A CN 200410066434 A CN200410066434 A CN 200410066434A CN 1297371 C CN1297371 C CN 1297371C
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Abstract
The present invention relates to a multifunction diamond grinding wheel dresser based on auxiliary discharging in gas, which is used for the technical field of precision machine machining. The present invention comprises a transmission mechanism for trimming pen rotating motion, a transmission mechanism for trimming pen linear motion and feeding motion, a pedestal and an adaptive continuous discharge control mechanism, wherein the adaptive continuous discharge control mechanism is installed on the transmission mechanism for trimming pen rotating motion by a screw. The transmission mechanism for trimming pen rotating motion is installed on the transmission mechanism for trimming pen linear motion and feeding motion; the whole dresser is installed on the pedestal by the transmission mechanism for trimming pen linear motion and feeding motion; the pedestal can be directly installed on a worktable of a sharpener. The present invention makes a diamond pen use an auxiliary mechanical trimming method based on discharging in gas to obtain the purpose of the on-line trimming of diamond grinding wheels. The present invention has the following characteristics of multiple functions and simple structure strong independence for various desired movements are independent of the sharpener, and can efficiently and exactly trim the diamond grinding wheel with various shapes on line.
Description
Technical field
The present invention relates to a kind of diamond grinding wheel dresser, particularly a kind of based on the auxiliary diamond grinding wheel dresser of electric discharge machining in gas, be used for the precise machine machining field.
Background technology
Skive has excellent grinding performance, has obtained extensive use in the grinding of difficult-to-machine material.The bond that is used for skive has metal, resin, pottery etc., and metal (bronze) and resinoid bond skive commonly used occupy prior status in application.But the self-sharpening of skive is poor, stop up, easily produce in grinding the exciting force that is caused by emery wheel off-centre easily, thereby influence the stability and the grinding surface quality of grinding process, thereby limited its normal use in the Precision Machining of high-performance hard brittle material, must often repair for this reason.Characteristics such as the ubiquity finishing times such as machine finish method at present commonly used such as diamond tool dressing method, plain wheel filing, free abrasive polishing are long, difficulty is big, dressing efficiency is low, dressing accuracy is low and operating condition is abominable.Particularly for various shaping skives, traditional diamond pen dressing method forms the wearing and tearing facet because the finishing pen easily is worn, the forming accuracy during the influence finishing, and might damage emery wheel, therefore can not be used for the finishing of skive.
Find by literature search, China Patent No. is: 02249989.x, name is called: the grinder wheel trimmer, this patented technology readme is: " a kind of cylindrical grinder dresser; comprise dressing tool; base and digital control system; base is installed on the Grinder bench; be provided with a rotating disk above the base; digital control system control driven by servomotor dial rotation, dressing tool is installed on the rotating disk, the direct trimming wheel of dressing tool, the circular arc center of circle of its cutting edge is dropped on the rotational axis line of rotating disk, and the utility model dressing tool can all around move relative to emery wheel along with Grinder bench by means of the digital control system of grinding machine self, and can rotate around the circular arc center of circle of dressing tool cutting edge, therefore can accurately repair the emery wheel of various curved surfaces." though this patented technology solved the finishing interference problem of complex-curved emery wheel; this trimmer x; y to mobile phase be dependent for grinding machine; therefore be difficult to as one independently mechanism use; owing to be subjected to the restriction of pure machine finish method, this trimmer can only be used for repairing various shaping non-diamond emery wheels in addition.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, provide a kind of based on the auxiliary diamond grinding wheel dresser of electric discharge machining in gas, making it carry two stepper motors can not rely on grinding machine and is used for repairing various complicated forming face emery wheels, the two poles of the earth enlarger of being made up of flexible amplifier and two piezoelectric micro-displacement actuators can be realized the continuous discharge between sparking electrode and the conduction emery wheel, it can satisfy various optical contour grinders well owing to be subjected to the restriction of optical system can not use the requirement of any cooling fluid, simultaneously can avoid electric spark again, the shortcoming that the electrolytic dressing method was observed and detected because of being unfavorable for of must using that working solution brings, thus the online detection and the online finishing of various shaping skives on the various optical contour grinders can be finished well.
The present invention is achieved by the following technical solutions, the present invention includes: a finishing gyration transmission mechanism, repair straight line motion and feed motion work, base, continuous discharge Self Adaptive Control mechanism.Wherein continuous discharge Self Adaptive Control mechanism is installed on the finishing gyration transmission mechanism by screw.A finishing gyration transmission mechanism is installed on straight line motion of finishing and the feed motion work, and whole trimmer is installed on the base by repairing straight line motion and feed motion work, and base can be directly installed on the workbench of grinding machine.
A finishing gyration transmission mechanism comprises: first stepper motor, first travelling gear, second travelling gear, support, centration axis, the 3rd travelling gear, sector gear.First stepper motor links to each other with second travelling gear by first travelling gear that is fixed on it, second travelling gear and the 3rd travelling gear are coaxial rack-mount, so second travelling gear drives the 3rd travelling gear and rotates, the 3rd travelling gear drives sector gear again and rotates around centration axis (the curvature centre of gyration that need guarantee this axle center and formed grinding wheel during installation coincides), and sector gear is directly installed on the bottom upper surface of support by centration axis.
Correction pen rectilinear motion and feed motion work comprise: second stepper motor, the 4th travelling gear, tooth bar, upper saddle, lower slider, first and second rotating shaft.Second stepper motor is fixed on the upper saddle, the 4th travelling gear is installed on second step motor shaft, the 4th travelling gear and linear gear rack produce gear motion, tooth bar is fixed on the lower slider, support is installed on the upper saddle by first rotating shaft, lower slider then is installed on the base by second rotating shaft, and wherein first, second rotating shaft is coaxial mounted.Four travelling gear of the second stepper motor drive installation on it that is fixed on the upper saddle rotates, and the 4th travelling gear passes through the engaged transmission with tooth bar, makes it go back along the tooth bar moving linearly that is fixed on the lower slider when rotating.
Continuous discharge Self Adaptive Control mechanism comprises: dressing diamond, sparking electrode, first piezoelectric micro-displacement actuator, second piezoelectric micro-displacement actuator and flexible amplifier.The afterbody of dressing diamond is equipped with the adjustment screw, and by adjusting the radial position that screw can change the finishing pen, finishing pen, sparking electrode and first, second piezoelectric micro-displacement actuator all are installed on the flexible amplifier.Two piezoelectric micro-displacement actuators and flexible amplifier have been formed a two-stage enlarger, control supply voltage by the control piezoelectric micro-displacement actuator can obtain required piezoelectric ceramics micrometric displacement variable quantity, this micrometric displacement passes to sparking electrode after amplifying 9 times through flexible amplifier, thereby successfully controls the discharging gap between sparking electrode and the skive.Just can keep between the two continual and steady discharge if control gap between electrode and the skive during the auxiliary finishing of electric discharge machining in gas skive well in good time.
During work, sector gear in the finishing gyration transmission mechanism is when its centration axis is rotated, because of the curvature centre of gyration of this axle center and formed grinding wheel coincides, rotate around the curvature centre of gyration that is trimmed emery wheel thereby drive the diamond pen that is fixed on the sector gear, reach the purpose of finishing arc diamond wheel.Repair in motion of straight line and the feed motion work the 4th travelling gear by and the gear motion of tooth bar, drive the upper saddle moving linearly, the support and the diamond pen that are installed in like this on the upper saddle are done emery wheel feed motion radially, thereby finish straight line feed campaign.When upper saddle and lower slider simultaneously by the position of the above-mentioned straight line feed direction of motion during respectively around first rotating shaft and the second rotating shaft half-twist, second stepper motor is done straight line finishing motion by the 4th travelling gear and rack drives upper saddle and diamond pen fixed thereon, thereby reaches the purpose of finishing straight-type wheel.When upper saddle and lower slider simultaneously by the position of its straight line feed direction of motion during respectively around arbitrarily angled between 0～90 ° of first rotating shaft and second rotating shaft rotation, second stepper motor is done angled straight lines finishing motion by the 4th travelling gear and rack drives upper saddle and diamond pen fixed thereon, thereby reaches the purpose of finishing hypotenuse emery wheel.
The present invention has following characteristics: function is many, and is simple in structure, and independence is by force that the required motion of various finishings does not rely on used grinding machine, can be efficiently, the skive of online finishing different shape accurately.The present invention can independently be finished the finishing of arc forming emery wheel, straight-type wheel and various arbitrarily angled hypotenuse emery wheels respectively by two stepper motors, electrode continuous discharge Self Adaptive Control mechanism can guarantee the continous-stable spark discharge between electrode and the skive in addition, thereby makes diamond pen adopt the purpose that reaches online finishing skive based on electric discharge machining in gas Aided Machine dressing method.
Description of drawings
Fig. 1 structural representation of the present invention
Among the figure, a finishing gyration transmission mechanism 1, repair straight line motion and feed motion work 2, base 3, continuous discharge Self Adaptive Control mechanism 4, first stepper motor 5, first, second travelling gear 6 and 7, support 8, centration axis 9, the 3rd travelling gear 10 and sector gear 11, second stepper motor 12, the 4th travelling gear 13, tooth bar 14, upper saddle 15, lower slider 16, first rotating shaft 17, dressing diamond 18, sparking electrode 19, first, second piezoelectric micro-displacement actuator 20,21 and 22, the second rotating shafts 23 of flexible amplifier.
The specific embodiment
As shown in the figure, the present invention includes: a finishing gyration transmission mechanism 1, repair straight line motion and feed motion work 2, base 3, continuous discharge Self Adaptive Control mechanism 4.Continuous discharge Self Adaptive Control mechanism 4 is installed on the finishing gyration transmission mechanism 1 by screw, a finishing gyration transmission mechanism 1 is installed on straight line motion of finishing and the feed motion work 2, whole trimmer is installed on the base 3 by repairing straight line motion and feed motion work 2, and base 3 is directly installed on the workbench of grinding machine.
A finishing gyration transmission mechanism 1 comprises: stepper motor 5, travelling gear 6 and 7, support 8, centration axis 9, travelling gear 10 and sector gear 11.Stepper motor 5 links to each other with travelling gear 7 by the travelling gear 6 that is fixed on it, travelling gear 7 and 10 coaxial being installed on the support 8, and sector gear 11 is directly installed on the bottom upper surface of support 8 by centration axis 9.
Repairing straight line motion and feed motion work 2 comprises: stepper motor 12, travelling gear 13, tooth bar 14, upper saddle 15, lower slider 16 and rotating shaft 17,23.Stepper motor 12 is fixed on the upper saddle 15, travelling gear 13 is installed on 12 of the stepper motors, travelling gear 13 and linear gear rack 14 engagements, tooth bar 14 is fixed on the lower slider 16, rotating shaft 17 is positioned at the centre of gyration of upper saddle 15, support 8 is installed on the upper saddle 15 by rotating shaft 17, and lower slider 16 then is installed on the base 3 by rotating shaft 23, and its shaft the 17, the 23rd is coaxial mounted.
Continuous discharge Self Adaptive Control mechanism 4 comprises: dressing diamond 18, sparking electrode 19, a pair of piezoelectric micro-displacement actuator 20,21 and flexible amplifier 22.The afterbody of dressing diamond 18 is equipped with the adjustment screw, dressing diamond 18, sparking electrode 19 and a pair of piezoelectric micro-displacement actuator 20,21 all are installed on the flexible amplifier 22, and two piezoelectric micro-displacement actuators 20,21 and flexible amplifier 22 have been formed a two-stage enlarger.
The circular arc center of circle that is installed in dressing diamond 18 cutting edges above the sector gear 11 is dropped on the rotational axis line (being the center line of centration axis 9) of rotary drive mechanism, when the cutting edge of finishing pen be desirable sharply state, when the radius that is the cutting edge circular arc was zero, the finishing point that the finishing pen contacts with emery wheel directly dropped on the center line of centration axis 9.
Claims (3)
1, a kind of based on the auxiliary diamond grinding wheel dresser of electric discharge machining in gas, comprise: base (3), it is characterized in that, also comprise: a finishing gyration transmission mechanism (1), repair straight line motion and feed motion work (2), continuous discharge Self Adaptive Control mechanism (4), continuous discharge Self Adaptive Control mechanism (4) is installed on the finishing gyration transmission mechanism (1) by screw, a finishing gyration transmission mechanism (1) is installed on straight line motion of finishing and the feed motion work (2), and whole trimmer is installed on the base (3) by straight line motion of finishing and feed motion work (2), and base (3) is directly installed on the workbench of grinding machine;
A finishing gyration transmission mechanism (1) comprising: stepper motor (5), travelling gear (6,7), support (8), centration axis (9), travelling gear (10) and sector gear (11), stepper motor (5) links to each other by the travelling gear (6,7) that is fixed on it, travelling gear (7,10) is coaxial to be arranged on the support (8), and sector gear (11) is directly installed on the bottom upper surface of support (8) by centration axis (9);
Repairing straight line motion and feed motion work (2) comprising: stepper motor (12), travelling gear (13), tooth bar (14), upper saddle (15), lower slider (16) and rotating shaft (17,23), stepper motor (12) is fixed on the upper saddle (15), travelling gear (13) is installed on stepper motor (12) axle, travelling gear (13) and linear gear rack (14) engagement, tooth bar (14) is fixed on the lower slider (16), rotating shaft (17) is positioned at the centre of gyration of upper saddle (15), support (8) is arranged on the upper saddle (15) by rotating shaft (17), lower slider (16) then is arranged on the base (3) by rotating shaft (23), its shaft (17,23) be coaxial setting.
2, according to claim 1 based on the auxiliary diamond grinding wheel dresser of electric discharge machining in gas, it is characterized in that, continuous discharge Self Adaptive Control mechanism (4) comprising: dressing diamond (18), sparking electrode (19), a pair of piezoelectric micro-displacement actuator (20,21) and flexible amplifier (22), the afterbody of dressing diamond (18) is provided with the adjustment screw, dressing diamond (18), sparking electrode (19) and a pair of piezoelectric micro-displacement actuator (20,21) all be located on the flexible amplifier (22) two piezoelectric micro-displacement actuators (20,21) and flexible amplifier (22) formed a two-stage enlarger.
3, according to claim 1 or 2 described diamond grinding wheel dressers of assisting based on electric discharge machining in gas, it is characterized in that, the rotational axis line that rotary drive mechanism is dropped in the circular arc center of circle that is arranged on dressing diamond (18) cutting edge above the sector gear (11) is on the center line of centration axis (9), when the cutting edge of finishing pen be desirable sharply state, when the radius that is the cutting edge circular arc was zero, the finishing point that the finishing pen contacts with emery wheel directly dropped on the center line of centration axis (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100664348A CN1297371C (en) | 2004-09-16 | 2004-09-16 | Multifunction diamond grinding wheel dresser based on auxiliary discharging in gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100664348A CN1297371C (en) | 2004-09-16 | 2004-09-16 | Multifunction diamond grinding wheel dresser based on auxiliary discharging in gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1586817A CN1586817A (en) | 2005-03-02 |
| CN1297371C true CN1297371C (en) | 2007-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100664348A Expired - Fee Related CN1297371C (en) | 2004-09-16 | 2004-09-16 | Multifunction diamond grinding wheel dresser based on auxiliary discharging in gas |
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| CN (1) | CN1297371C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972874B (en) * | 2010-09-22 | 2012-08-22 | 上海交通大学 | Electrolytic electric spark cutting composite micromachining device and method |
| CN102009388B (en) * | 2010-10-15 | 2012-08-22 | 上海交通大学 | Miniature metal-based grinding wheel on-line electrolytic electric spark dressing device and method |
| CN109048512B (en) * | 2017-02-27 | 2020-06-09 | 南通大学 | Micro-pendulum polishing device capable of effectively improving polishing efficiency |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207936U (en) * | 1986-10-25 | 1987-09-23 | 西安交通大学 | Machine-tool controlled profile grinding wheel-truing device |
| CN86100596A (en) * | 1986-06-16 | 1987-12-30 | 上海机床厂 | The grinding attachment of the truer that machining cycloidal gears is used |
| CN1428225A (en) * | 2002-12-03 | 2003-07-09 | 汕头大学 | Grinding bed dresser |
| CN2608221Y (en) * | 2003-04-25 | 2004-03-31 | 上海冲剪机床厂 | Abrasive wheel shaping correction apparatus |
-
2004
- 2004-09-16 CN CNB2004100664348A patent/CN1297371C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100596A (en) * | 1986-06-16 | 1987-12-30 | 上海机床厂 | The grinding attachment of the truer that machining cycloidal gears is used |
| CN86207936U (en) * | 1986-10-25 | 1987-09-23 | 西安交通大学 | Machine-tool controlled profile grinding wheel-truing device |
| CN1428225A (en) * | 2002-12-03 | 2003-07-09 | 汕头大学 | Grinding bed dresser |
| CN2608221Y (en) * | 2003-04-25 | 2004-03-31 | 上海冲剪机床厂 | Abrasive wheel shaping correction apparatus |
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| Publication number | Publication date |
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| CN1586817A (en) | 2005-03-02 |
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Granted publication date: 20070131 Termination date: 20091016 |