CN103072048A - Electrolyzer for use in electrolytic in-process dressing metallic bond pellet grinding processing - Google Patents
Electrolyzer for use in electrolytic in-process dressing metallic bond pellet grinding processing Download PDFInfo
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- CN103072048A CN103072048A CN2013100139382A CN201310013938A CN103072048A CN 103072048 A CN103072048 A CN 103072048A CN 2013100139382 A CN2013100139382 A CN 2013100139382A CN 201310013938 A CN201310013938 A CN 201310013938A CN 103072048 A CN103072048 A CN 103072048A
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Abstract
The invention discloses an electrolyzer for use in electrolytic in-process dressing metallic bond pellet grinding processing, which belongs to the field of grinding precision processing. A grinding disk of which the upper surface is embedded with grinding pellets is taken as an anode, and is driven to rotate by a machine tool main shaft; a workpiece disk and a workpiece are arranged in a chuck; a pressure head is used for driving the chuck to move transversely in a reciprocating way on the grinding disk to grind the workpiece; stainless steel boxes are taken as cathodes and are symmetrically distributed on both sides of the pressure head, and a micro transmission mechanism is arranged to realize fine adjustment of upward and downward displacement of the stainless steel boxes; through sensors, a PLC (Programmable Logic Controller), stepping motors and the micro transmission mechanism, the distances between the bottoms of the stainless steel boxes and the grinding disk are always kept about 1 millimeter; and moreover, the bottom surfaces of the stainless steel boxes are provided with grinding liquid spray holes which are distributed uniformly, so that an interpolar electrolytic in-process dressing function, i.e. anode dissolving, is performed fully and stably, and ultra-precision grinding processing of the workpiece is realized.
Description
Technical field
A kind of electrolysis unit for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing belongs to the precise finiss manufacture field.
Background technology
On-line electrolytic dissolution trimming wheel (ELID) Precision Mirror Grinding for Ceramics is a grinding new technology that grows up from Japan for 20 end of the centurys.It has opened up the new way of accurate ultra mirror grinding processing, have important application aspect the ultraprecise mirror finish of the difficult-to-machine materials such as high temperature alloy, crisp and hard material, solving traditional grinding technique crisp hard difficult-to-machine material is added the problems such as the grinding force that exists man-hour is large, temperature is high, efficient is low, dressing is difficult.Much the scholar conducts in-depth research its process system, processing mechanism etc. at home and abroad.At present, ELID mirror grinding technology has realized progressively that it is in the industrialization in the fields such as optical lens, optical glass, semiconductor microprocessors.But, research for the ELID grinding technique does not also cause more concerns, and grinding is a kind of important precision, Ultraprecision Machining, almost be suitable for the processing of various materials, and traditional grinding technics technology adds problems such as having machining accuracy is unstable, processing cost is high, efficient is low, grinding tool finishing difficulty man-hour to crisp hard difficult-to-machine material, is difficult to satisfy high accuracy, high efficiency processing request.Therefore, in conjunction with ELID grinding technique and grinding technique, solve the existing problem of traditional grinding processing method, it is the key of expanding field of milling, and the electrolysis unit that is used for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing is the core of ELID grinding technique, and its Patents and list of references are not found at present.
Summary of the invention
In order to overcome traditional grinding technics technology crisp hard difficult-to-machine material is added the deficiency that exist man-hour, the invention provides a kind of electrolysis unit for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing, realization is applied to field of milling with the ELID technology, to reduce production costs, improve precision and the efficient of attrition process.
Patent of the present invention solves the technical scheme that its technical problem adopts:
Upper surface is inlaid with the abrasive disk 2 that grinds ball sheet 17 and is installed on the machine tool chief axis 1, by machine tool chief axis 1 driven rotary; Be provided with chuck 12 above abrasive disk 2, chuck 12 lower ends have a coaxial aperture, and the diameter in hole is less than the diameter of chuck 12, and equal the diameter of workpiece plate 13, and the height in hole is less than the height of chuck 12, simultaneously also less than the height of workpiece; Have the uniform hole of arranging on the workpiece plate 13, the diameter in hole equates that with diameter of work the thickness of workpiece plate 13 is less than the height of workpiece; Workpiece and workpiece plate 13 place on the abrasive disk 2, and workpiece is loaded in the hole of workpiece plate 13, and workpiece plate 13 is loaded in the hole of chuck 12; Abrasive disk 2 links to each other as anode with the ELID electrolysis power is anodal, and two stainless steel casings 8 link to each other as negative electrode with ELID electrolysis power negative pole, and two stainless steel casings 8 are symmetrically distributed in head 14 both sides, and are positioned at abrasive disk 2 tops; Electrolytic polishing liquid injects from the aperture of stainless steel casing 8 side top, and stainless steel casing 8 bottom surfaces have the spray hole 9 that is evenly distributed, and electrolytic polishing liquid is sprayed onto between workpiece and the abrasive disk 2 equably; Two guide plates 11 are fixed on dull and stereotyped 4 by screw 6, and the side of guide plate 11 has gathering sill; Two stainless steel casings, 8 inboards are provided with guide pad 10, and guide pad 10 places in the gathering sill of guide plate 11, and the fine position of stainless steel casing 8 is led; Leading screw 16 links to each other with dull and stereotyped 4 by screwed hole 15, and dull and stereotyped 4 two ends are provided with for the groove that slides at machine tool guideway; Head 14 upper ends link to each other with cylinder 5, and the lower end withstands on the upper surface of chuck 12, chuck 12 is applied controllable pressure, and then workpiece is applied controllable pressure; Driving motor drives dull and stereotyped 4 by leading screw 16 and moves laterally at machine tool guideway, two stainless steel casings 8, guide plate 11, cylinder 5 and head 14 are installed on dull and stereotyped 4 and along with dull and stereotyped 4 and move together, head 14 drive chucks 12, workpiece plate 13 and workpiece carry out traverse motion at abrasive disk 2 simultaneously, with grinding work-piece; Dull and stereotyped 4 displacement is by the electromagnetic sensor control that is installed in the machine tool guideway both sides; Sensor 3 is installed in stainless steel casing 8 sides, and the probe of sensor 3 and stainless steel casing 8 bottom surfaces are positioned at the same level face, distance between monitoring stainless steel casing 8 bottoms and the abrasive disk 2, sensor 3 is exported to the PLC controller with signal, when the distance between stainless steel casing 8 bottoms and the abrasive disk 2 during greater than 1.5mm or less than 0.5mm, the PLC controller is exported to stepper motor with distance signal.The fine setting that realizes 8 upper and lower displacements of stainless steel casing by stepper motor, leading screw 7, guide pad 10 and guide plate 11, by above-mentioned closed-loop control so that in the process electrode gap all the time in 0.5～1.5mm scope.
Described grinding ball sheet 17 is iron copper binder diamond ball sheet.
Described abrasive disk 2 is to get out the uniform hole of arranging at the cast iron base disc, and the degree of depth in hole is lower than the height of diamond pellet sheet, and with diamond pellet sheet interference fit.The diamond pellet sheet is knocked in Kong Zhonghou, and the fine aluminium liquid of casting melting is repaiied type after cooling between outstanding diamond pellet sheet, makes the height of diamond pellet sheet identical with the height of fine aluminium on every side.
The size of the controllable pressure that 14 pairs of chucks 12 of described head apply is filled with the gas flow control of cylinder 5 by electric air pump.
The cross section of described stainless steel casing 8 is fan-shaped.
The beneficial effect of patent of the present invention is: stainless steel casing 8 bottom surfaces have the spray hole 9 that is evenly distributed and can make and be full of equably lapping liquid between both positive and negative polarity, make the electrolysis effect of interpolar carry out fully and stable; Stainless steel casing 8 is fan-shaped, and is identical with outside ball sheet electrolysis speed to guarantee abrasive disk 2 inboard ball sheets, makes abrasive disk keep good flatness, to improve crudy; Stainless steel casing 8 symmetrical branches are in the both sides of chuck 12, and with its simultaneously in abrasive disk 2 motions, effectively reduce the electrolysis inhomogeneities of abrasive disk 2 in process; The closed-loop control that sensor 3, PLC controller, stepper motor, leading screw 7, guide pad 10, guide plate 11 forms can remain that anode-cathode distance is stable, so make Electrolyzed Processing carrying out fully and stable; This advantage that is used for the electrolysis unit of On-line electrolytic dissolution dressing metallic bond ball slice lapping processing is that drive mechanism is compact, it is less to take the lathe space, and grinding fluid sprays evenly plentiful, and can realize the Self Adaptive Control of electrode gap.
Description of drawings
Fig. 1 is the structural representation for the electrolysis unit of On-line electrolytic dissolution dressing metallic bond ball slice lapping processing.
Fig. 2 is the schematic three dimensional views for the electrolysis unit of On-line electrolytic dissolution dressing metallic bond ball slice lapping processing.
1-main shaft among Fig. 1, the 2-abrasive disk, the 3-sensor, 4-is dull and stereotyped, 5-cylinder, 6-screw, the 7-leading screw, the fan-shaped stainless steel casing of 8-, 9-spray hole, 10-guide pad, 11-guide plate, 12-chuck, the 13-workpiece plate, the 14-head, the 15-screwed hole, the 16-leading screw, 17-grinds the ball sheet.
The specific embodiment
Be further described for the present invention below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the device in the present embodiment mainly comprises stepper motor, the PLC controller, and sensor 3, abrasive disk 2, chuck 12, fan-shaped stainless steel casing 8, flat board 4, cylinder 5, leading screw 7, guide plate 11, head 14, leading screw 16 grinds ball sheet 17.Upper surface is inlaid with the abrasive disk 2 that grinds ball sheet 17 and is installed on the machine tool chief axis 1, by machine tool chief axis 1 driven rotary; Be provided with chuck 12 above abrasive disk 2, chuck 12 lower ends have a coaxial aperture, and the diameter in hole is less than the diameter of chuck 12, and equal the diameter of workpiece plate 13, and the height in hole is less than the height of chuck 12, simultaneously also less than the height of workpiece; Have the uniform hole of arranging on the workpiece plate 13, the diameter in hole equates that with diameter of work the thickness of workpiece plate 13 is less than the height of workpiece; Workpiece and workpiece plate 13 place on the abrasive disk 2, and workpiece is loaded in the hole of workpiece plate 13, and workpiece plate 13 is loaded in the hole of chuck 12; Abrasive disk 2 links to each other as anode with the ELID electrolysis power is anodal, and two stainless steel casings 8 link to each other as negative electrode with ELID electrolysis power negative pole, and two stainless steel casings 8 are symmetrically distributed in head 14 both sides, and are positioned at abrasive disk 2 tops; Electrolytic polishing liquid injects from the aperture of stainless steel casing 8 side top, and stainless steel casing 8 bottom surfaces have the spray hole 9 that is evenly distributed, and electrolytic polishing liquid is sprayed onto between workpiece and the abrasive disk 2 equably; Two guide plates 11 are fixed on dull and stereotyped 4 by screw 6, and the side of guide plate 11 has gathering sill; Two stainless steel casings, 8 inboards are provided with guide pad 10, and guide pad 10 places in the gathering sill of guide plate 11, and the fine position of stainless steel casing 8 is led; Leading screw 16 links to each other with dull and stereotyped 4 by screwed hole 15, and dull and stereotyped 4 two ends are provided with for the groove that slides at machine tool guideway; Head 14 upper ends link to each other with cylinder 5, and the lower end withstands on the upper surface of chuck 12, chuck 12 is applied controllable pressure, and then workpiece is applied controllable pressure; Driving motor drives dull and stereotyped 4 by leading screw 16 and moves laterally at machine tool guideway, two stainless steel casings 8, guide plate 11, cylinder 5 and head 14 are installed on dull and stereotyped 4 and along with dull and stereotyped 4 and move together, head 14 drive chucks 12, workpiece plate 13 and workpiece carry out traverse motion at abrasive disk 2 simultaneously, with grinding work-piece; Dull and stereotyped 4 displacement is by the electromagnetic sensor control that is installed in the machine tool guideway both sides; Sensor 3 is installed in stainless steel casing 8 sides, and the probe of sensor 3 and stainless steel casing 8 bottom surfaces are positioned at the same level face, distance between monitoring stainless steel casing 8 bottoms and the abrasive disk 2, sensor 3 is exported to the PLC controller with signal, when the distance between stainless steel casing 8 bottoms and the abrasive disk 2 during greater than 1.5mm or less than 0.5mm, the PLC controller is exported to stepper motor with distance signal.The fine setting that realizes 8 upper and lower displacements of stainless steel casing by stepper motor, leading screw 7, guide pad 10 and guide plate 11, by above-mentioned closed-loop control so that in the process electrode gap all the time in 0.5～1.5mm scope.
Described grinding ball sheet 17 is iron copper binder diamond ball sheet.
Described abrasive disk 2 is to get out the uniform hole of arranging at the cast iron base disc, and the degree of depth in hole is lower than the height of diamond pellet sheet, and with diamond pellet sheet interference fit.The diamond pellet sheet is knocked in Kong Zhonghou, and the fine aluminium liquid of casting melting is repaiied type after cooling between outstanding diamond pellet sheet, makes the height of diamond pellet sheet identical with the height of fine aluminium on every side.
The size of the controllable pressure that 14 pairs of chucks 12 of described head apply is filled with the gas flow control of cylinder 5 by electric air pump.
The cross section of described stainless steel casing 8 is fan-shaped.
In the invention process process:
Described ELID electrolysis power adopts the high-frequency direct-current pulse power;
Described stepper motor adopts the high-resolution composite stepper motor;
Described sensor 3 is selected current vortex sensor;
Described leading screw 7 adopts ball-screw, to satisfy the precision of stainless steel casing 8 fine position;
The present invention is loaded on the common vertical lapping machine bed, and workpiece is loaded on the workpiece plate 13, and workpiece plate 13 is loaded in the chuck 12, and dull and stereotyped 4 are loaded on the machine tool guideway.Main shaft 1 drives abrasive disk 2 rotations after starting lathe, and head 14 drives chuck 12 and carries out traverse motion at abrasive disk 2, and workpiece is ground.In stainless steel casing 8, be full of electrolytic polishing liquid, make between stainless steel casing 8 and the abrasive disk 2 and be filled with equably lapping liquid, and then so that abrasive disk 2 electrolysis are abundant, stable.After workpiece reached required precision, head 14 went up rapidly.Along with the wearing and tearing of grinding ball sheet 17, distance between stainless steel casing 8 bottoms and the abrasive disk 2 changes, sensor 3 passes to the PLC controller with distance signal, the PLC controller is according to preset value, by stepper motor, ball-screw 7, guide pad 10 and the guide plate 11 realizations fine setting to 8 upper and lower displacements of stainless steel casing, to adjust positional information by displacement transducer 3 again and feed back to the PLC controller, realize closed-loop control, and make its this electrolysis unit have the electrode gap automatic positioning function.Simultaneously, by regulating the voltage and current of ELID electrolysis power, the electrolysis speed of ball sheet 17 is ground in control, makes grinding ball sheet 17 remain kilter, to realize the ELID ultraprecision grinding processing to workpiece.
Claims (5)
1. be used for the electrolysis unit of On-line electrolytic dissolution dressing metallic bond ball slice lapping processing, it is characterized in that: upper surface is inlaid with the abrasive disk (2) that grinds ball sheet (17) and is installed on the machine tool chief axis (1), by machine tool chief axis (1) driven rotary; Be provided with chuck (12) in abrasive disk (2) top, chuck (12) lower end has a coaxial aperture, and the diameter in hole is less than the diameter of chuck (12), and equals the diameter of workpiece plate (13), the height in hole is less than the height of chuck (12), simultaneously also less than the height of workpiece; Workpiece plate has the uniform through hole of arranging on (13), and the diameter in hole equates that with diameter of work the thickness of workpiece plate (13) is less than the height of workpiece; Workpiece and workpiece plate (13) place on the abrasive disk (2), and workpiece is loaded in the through hole of workpiece plate (13), and workpiece plate (13) is loaded in the hole of chuck (12); Abrasive disk (2) links to each other as anode with the ELID electrolysis power is anodal, and two stainless steel casings (8) link to each other as negative electrode with ELID electrolysis power negative pole; Two stainless steel casings (8) are symmetrically distributed in head (14) both sides, and are positioned at abrasive disk (2) top; Electrolytic polishing liquid injects from the aperture of stainless steel casing (8) side top, and stainless steel casing (8) bottom surface has the spray hole (9) that is evenly distributed, and electrolytic polishing liquid is sprayed onto between workpiece and the abrasive disk (2) equably; Two guide plates (11) are fixed on the flat board (4) by screw (6), and the side of guide plate (11) has gathering sill; Two stainless steel casing (8) inboards are provided with guide pad (10), and guide pad (10) places in the gathering sill of guide plate (11), and the fine position of stainless steel casing (8) is led; Leading screw (16) links to each other with dull and stereotyped (4) by screwed hole (15), and dull and stereotyped (4) two ends are provided with for the groove that slides at machine tool guideway; Head (14) upper end links to each other with cylinder (5), and the lower end withstands on the upper surface of chuck (12), chuck (12) is applied controllable pressure, and then workpiece is applied controllable pressure; Driving motor drives dull and stereotyped (4) by leading screw (16) and moves laterally at machine tool guideway, it is upper and along with move together dull and stereotyped (4) that two stainless steel casings (8), guide plate (11), cylinder (5) and head (14) are installed in flat board (4), simultaneously head (14) drive chuck (12), workpiece plate (13) and workpiece carry out traverse motion at abrasive disk (2), with grinding work-piece; The displacement of dull and stereotyped (4) is by the electromagnetic sensor control that is installed in the machine tool guideway both sides; Sensor (3) is installed in stainless steel casing (8) side, and the probe of sensor (3) and stainless steel casing (8) bottom surface are positioned at the same level face, the distance between monitoring stainless steel casing (8) bottom and the abrasive disk (2); Sensor (3) is exported to the PLC controller with signal, and when the distance between stainless steel casing (8) bottom and the abrasive disk (2) during greater than 1.5mm or less than 0.5mm, the PLC controller is exported to stepper motor with distance signal.Realize fine setting to stainless steel casing (8) upper and lower displacement by stepper motor, leading screw (7), guide pad (10) and guide plate (11), by above-mentioned closed-loop control so that in the process electrode gap all the time in 0.5～1.5mm scope.
2. the electrolysis unit for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing according to claim 1 is characterized in that: grind ball sheet (17) and be iron copper binder diamond ball sheet.
3. the electrolysis unit for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing according to claim 1, it is characterized in that: abrasive disk (2) is to get out the uniform hole of arranging at the cast iron base disc, the degree of depth in hole is lower than the height of diamond pellet sheet, and with diamond pellet sheet interference fit; The diamond pellet sheet is knocked in Kong Zhonghou, and the fine aluminium liquid of casting melting is repaiied type after cooling between outstanding diamond pellet sheet, makes the height of diamond pellet sheet identical with the height of fine aluminium on every side.
4. the electrolysis unit for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing according to claim 1 is characterized in that: the size of the controllable pressure that head (14) applies chuck (12) is filled with the gas flow control of cylinder (5) by electric air pump.
5. the electrolysis unit for On-line electrolytic dissolution dressing metallic bond ball slice lapping processing according to claim 1, it is characterized in that: the cross section of stainless steel casing (8) is fan-shaped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100139382A CN103072048A (en) | 2013-01-15 | 2013-01-15 | Electrolyzer for use in electrolytic in-process dressing metallic bond pellet grinding processing |
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| CN2013100139382A CN103072048A (en) | 2013-01-15 | 2013-01-15 | Electrolyzer for use in electrolytic in-process dressing metallic bond pellet grinding processing |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358008A (en) * | 2013-05-17 | 2013-10-23 | 苏州方林科技股份有限公司 | Horizontal rotating device |
| CN104143877A (en) * | 2014-06-18 | 2014-11-12 | 桂林电子科技大学 | Spatial arrangement method for motor sets applied to shaft transmission mechanism |
| CN107282270A (en) * | 2017-06-21 | 2017-10-24 | 无锡市跨克微营养素有限公司 | Hanging walking powder grinding machine |
| CN108500786A (en) * | 2018-04-22 | 2018-09-07 | 北京工业大学 | One kind being used for bearing track ultraprecise plunge grinding processing unit (plant) and method |
| CN108544316A (en) * | 2018-05-30 | 2018-09-18 | 苏州阜丰实业有限公司 | A kind of casting cross grinding dust-extraction unit |
| CN110253418A (en) * | 2019-03-24 | 2019-09-20 | 北京工业大学 | A kind of precision and ultra-precision machining method for form grinding |
| CN112045246A (en) * | 2020-08-12 | 2020-12-08 | 刁家鑫 | Automatic edge cutting equipment for stainless steel box production |
| CN113370080A (en) * | 2021-05-18 | 2021-09-10 | 河南科技大学 | Grinding wheel dressing method capable of automatically adjusting discharge voltage |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358008A (en) * | 2013-05-17 | 2013-10-23 | 苏州方林科技股份有限公司 | Horizontal rotating device |
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| CN104143877A (en) * | 2014-06-18 | 2014-11-12 | 桂林电子科技大学 | Spatial arrangement method for motor sets applied to shaft transmission mechanism |
| CN104143877B (en) * | 2014-06-18 | 2016-08-17 | 桂林电子科技大学 | Motor group spatial arrangement method used by shaft transmission |
| CN107282270A (en) * | 2017-06-21 | 2017-10-24 | 无锡市跨克微营养素有限公司 | Hanging walking powder grinding machine |
| CN108500786A (en) * | 2018-04-22 | 2018-09-07 | 北京工业大学 | One kind being used for bearing track ultraprecise plunge grinding processing unit (plant) and method |
| CN108500786B (en) * | 2018-04-22 | 2020-02-04 | 北京工业大学 | Ultra-precise forming and grinding device and method for bearing track |
| CN108544316A (en) * | 2018-05-30 | 2018-09-18 | 苏州阜丰实业有限公司 | A kind of casting cross grinding dust-extraction unit |
| CN110253418A (en) * | 2019-03-24 | 2019-09-20 | 北京工业大学 | A kind of precision and ultra-precision machining method for form grinding |
| CN112045246A (en) * | 2020-08-12 | 2020-12-08 | 刁家鑫 | Automatic edge cutting equipment for stainless steel box production |
| CN112045246B (en) * | 2020-08-12 | 2022-07-12 | 佛山市宏儒金属制品有限公司 | Automatic edge cutting equipment for stainless steel box production |
| CN113370080A (en) * | 2021-05-18 | 2021-09-10 | 河南科技大学 | Grinding wheel dressing method capable of automatically adjusting discharge voltage |
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Application publication date: 20130501 |