CN105643027A - Metal bond ultrahard material abrasive cutting wheel grooving equipment and method - Google Patents
Metal bond ultrahard material abrasive cutting wheel grooving equipment and method Download PDFInfo
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- CN105643027A CN105643027A CN201610155211.1A CN201610155211A CN105643027A CN 105643027 A CN105643027 A CN 105643027A CN 201610155211 A CN201610155211 A CN 201610155211A CN 105643027 A CN105643027 A CN 105643027A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides metal bond ultrahard material abrasive cutting wheel grooving equipment and method. The equipment comprises an electric control cabinet, a workpiece left-right moving device and a forming electrode; the workpiece left-right moving device is arranged on the right side of the forming electrode for driving an abrasive cutting wheel to move left and right; and the forming electrode is connected with an output end of a pulse power supply of the electric control cabinet. When the equipment works, firstly, a hand wheel is shaken to a preset position, and the forming electrode begins to machine the abrasive cutting wheel; after the machining is finished, the hand wheel is reversely shaken to retreat, an electrode up-down moving button is pressed down, and the forming electrode ascends; meanwhile, an electric index head button is pressed down, and an index head turntable drives the abrasive cutting wheel to rotate; then, the electrode up-down moving button is pressed down, the forming electrode downwards moves to a set position; and the process is repeated until all groove types are machined. The equipment can solve the problems of easiness infalling of electrode wires and easiness indeformation of the abrasive cutting wheel in traditional abrasive cutting wheel grooving process, and is high in adaptability.
Description
Technical field
The present invention relates to Machining Technology field, particularly relate to a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus and method.
Background technology
Metal bonding agent extra hard material abrasive cut-off wheel is mainly used in cut-out and the fluting of the various electronic devices and components in electronic information field and the precision parts in machinery industry, and this kind of abrasive cut-off wheel has that precision height, joint-cutting be little and the series of advantages such as machined surface quality. In the processing and manufacturing process of abrasive cut-off wheel, in order to improve the sharpness of cutter head, simultaneously for chip removal and cooling better, generally outputing the groove that number does not wait on the excircle of abrasive cut-off wheel, common grooved has " U " type (as shown in Figure 1) and " V " type. The abrasive cut-off wheel grooving method adopted at present mainly has pressing and Wire EDM method.
Pressing is to adopt forcing press, mould and grooved drift that the cutter head of abrasive cut-off wheel is applied external force, makes the cutter head of abrasive cut-off wheel produce plastic deformation and separate, thus obtaining the processing method requiring grooved. The method has the disadvantage in that 1) abrasive cut-off wheel stress is big, yielding; 2) accurate to dimension is low, and crudy is unstable, it is easy to occur collapsing the mass defects such as limit; 3) owing to machined material is superhard material, drift and mould loss are very big, and processing cost is high.
Wire EDM method is a kind of application electric spark linear cutting machine, adopts spark discharge principle, the method for processing of being slotted by the motion of wire electrode and the abrasive cut-off wheel that discharged. The pulse parameter scope that Wire-cut Electrical Discharge Machining uses is narrower, and energy is less, is 180/200 with thin metallic bond abrasive cut-off wheel for granularity, and the quality of the grooved that the method processes and manufacturability are all fine; But being 180/200 with thick metallic bond abrasive cut-off wheel (mainly diamond slitting wheel) for granularity, owing to diamond particles is too big, in linear cutter, diamond cannot come off in time, hinders the operation of wire electrode, thus causing cutting; In the course of processing, wire electrode provides the voltage punctured required for machining medium, and provides energy after gap breakdown, and with ablation metal, but wire electrode movement velocity is exceedingly fast, and is move back and forth, so often there is fracture of wire phenomenon.
Summary of the invention
It is an object of the invention to provide a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus and method, it is possible to the wire electrode solving to occur in existing abrasive cut-off wheel grooving process is easy to fall off, the problem of abrasive cut-off wheel changeableness, and the suitability is strong.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus, device and shaped electrode is moved left and right including electrical control cubicles, workpiece, described workpiece moves left and right device and is arranged at the right side of shaped electrode, for driving abrasive cut-off wheel to move left and right, shaped electrode connects the pulse power outfan of electrical control cubicles.
Described workpiece moves left and right the pedestal that device includes being arranged on lathe and the slide unit being arranged on pedestal, pedestal is hollow structure, hollow part is provided with screw mandrel, screw mandrel and pedestal be arranged in parallel, the right side wall of pedestal is provided with through hole, the right-hand member of screw mandrel is fixedly connected with the hand wheel by through hole, the left end connection wire rod supporting seat of screw mandrel, screw mandrel supporting seat is fixed on the left side wall of pedestal, screw mandrel is arranged with nut, the upper surface of pedestal offers slide rail, and nut, through slide rail, is fixed with the lower surface of slide unit and is connected; Being additionally provided with grating scale on pedestal, the scale of grating scale is fixed on pedestal, and read head is fixing with slide unit to be connected, and moves left and right with slide unit, and the read head of grating scale is also connected with the control signal input of electrical control cubicles.
Described shaped electrode is arranged on electrode and moves up and down on device, described electrode moves up and down device and includes the head of a bed and be arranged on head of a bed slide rail at right surface and electrode movement slide unit, the head of a bed is arranged on workpiece and moves left and right on the left of device, shaped electrode is arranged on electrode up and down motion slide unit, for removably connecting between shaped electrode and electrode up and down motion slide unit, shaped electrode moves up and down along slide rail together with electrode movement slide unit.
Being provided with drive motor in the described head of a bed, drive motor controls to connect electrode up and down motion slide unit, and the head of a bed is additionally provided with electrode up and down motion button, and electrode moves up and down button and is connected with drive motor.
Described workpiece moves left and right and is additionally provided with workpiece rotary index device on device, described workpiece rotary index device dividing head turntable, including servomotor and fluting fixture, the input of servomotor connects the control signal outfan of electrical control cubicles, the outfan of servomotor controls to connect dividing head turntable, described fluting fixture is arranged on dividing head turntable, rotate with dividing head turntable, for removably connecting between dividing head turntable and fluting fixture, the upper surface of described fluting fixture is provided with the first flange, abrasive cut-off wheel is arranged on the first flange, the upper surface of abrasive cut-off wheel is additionally provided with the second flange, first flange, second flange and abrasive cut-off wheel connect by nuts and bolt is fixing.
Servomotor and the dividing head turntable of described workpiece rotary index device are all fixedly installed on slide unit.
Being additionally provided with dividing head rotary knob on the described head of a bed, dividing head rotary knob is connected with servomotor.
Also including chiller, atomizer that chiller includes being arranged on the head of a bed and the coolant fuel tank being arranged in lathe and oil pump, atomizer is arranged on above electrode movement slide unit, and atomizer connects coolant fuel tank by petroleum pipeline and oil pump.
A kind of method utilizing metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus to carry out abrasive cut-off wheel fluting, comprises the following steps successively:
(1) first fluting number is set in electrical control cubicles, then according to grooved to be processed, selects shaped electrode and fluting fixture, and the abrasive cut-off wheel needing processing is installed on fluting fixture, shaped electrode is fixed on electrode and moves up and down on slide unit;
(2) opening power, starts electrode up and down motion button, and shaped electrode is moved downward to setting position;
(3) starting impulse power supply, shake handwheel carries out cutter, when hearing discharging sound or seeing electric spark, is reset by the coordinate on the read head of grating scale;
(4) shake handwheel, makes abrasive cut-off wheel constantly near shaped electrode, ensures that abrasive cut-off wheel does not contact all the time with shaped electrode simultaneously, and shaped electrode utilizes instantaneous discharge principle to start abrasive cut-off wheel is slotted;
(5) observing the reading of the grating scale of display in electrical control cubicles, when in electrical control cubicles, the reading of the grating scale of display reaches required size, opposite direction shake handwheel exits;
(6) pressing bottom electrode up and down motion button, shaped electrode rises, and presses dividing head rotary knob simultaneously, and dividing head turntable drives abrasive cut-off wheel to rotate;
(7) after abrasive cut-off wheel is rotated in place, pressing bottom electrode up and down motion button, shaped electrode is moved downward to setting position;
(8) repeat step (3) to step (7), until all grooveds processed on this abrasive cut-off wheel, then take off abrasive cut-off wheel, carry out the processing of next group abrasive cut-off wheel.
The metal bonding agent extra hard material abrasive cut-off wheel of all grain size categories and various apertures external diameter specification can be carried out excircle fluting processing by the present invention, and the suitability is strong; In the course of processing, shaped electrode does not contact with abrasive cut-off wheel, and shaped electrode does not need to move back and forth, and does not have the phenomenon of fracture of wire, after cutting completes, abrasive cut-off wheel exits, will not the up and down motion of impeded electrode silk, do not produce mechanical stress, abrasive cut-off wheel is indeformable, does not collapse limit, and crudy is good; Shaped electrode material is copper or graphite, and hardness is low, and plasticity is good, it is possible to process variously-shaped grooved; Shaped electrode loss is little, and processing cost is low. Present configuration is simple, easily operates, it is possible to tens abrasive cut-off wheels of clamped one time, and working (machining) efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the abrasive cut-off wheel after having slotted;
Fig. 2 is the structural representation of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus of the present invention.
Detailed description of the invention
As shown in Figure 2, a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus of the present invention, device is moved left and right including workpiece, workpiece rotary index device, electrode moves up and down device, shaped electrode 15 and electrical control cubicles 18, workpiece moves left and right device and is fixed on lathe 1, for driving workpiece rotary index device to move left and right, workpiece rotary index device is arranged at workpiece and moves left and right on device, for realizing rotation and the calibration of abrasive cut-off wheel 10, electrode moves up and down device and is arranged at workpiece and moves left and right the left side of device, shaped electrode 15 moves up and down with electrode that device is fixing to be connected, for abrasive cut-off wheel outer being carried out fluting processing, the pulse power outfan of electrical control cubicles 18 connects workpiece rotary index device and shaped electrode 15 respectively, and the control signal outfan of electrical control cubicles 18 controls to connect workpiece rotary index device. electrical control cubicles 18 is existing apparatus, repeats no more.
Workpiece moves left and right the pedestal 3 that device includes being arranged on lathe 1 and the slide unit 5 being arranged on pedestal 3, pedestal 3 is hollow structure, hollow part is provided with screw mandrel, screw mandrel and pedestal 3 be arranged in parallel, the right side wall of pedestal 3 is provided with through hole, the right-hand member of screw mandrel is connected by through hole is fixing with handwheel 2, the left end connection wire rod supporting seat of screw mandrel, screw mandrel supporting seat is fixed on the left side wall of pedestal 3, screw mandrel is arranged with nut, the upper surface of pedestal 3 offers slide rail, nut traverse slide rail, fix with the lower surface of slide unit 5 and be connected, thus driving slide unit 5 to move left and right on pedestal 3,Being additionally provided with grating scale on pedestal 3, the scale 4 of grating scale is fixed on pedestal 3, and read head 7 is fixing with slide unit 5 to be connected, and moves left and right with slide unit 5, and the read head 7 of grating scale is also connected with the control signal input of electrical control cubicles 18.
Workpiece rotary index device is arranged on slide unit 5, including dividing head turntable 8, fluting fixture 11 and servomotor 6, dividing head turntable 8 and servomotor 6 are respectively fixedly disposed on slide unit 5, the input of servomotor 6 connects the control signal outfan of electrical control cubicles 18, the outfan of servomotor 6 controls to connect dividing head turntable 8, fluting fixture 11 is arranged on dividing head turntable 8, rotate with dividing head turntable 8, for removably connecting between dividing head turntable 8 and fluting fixture 11, the upper surface of fluting fixture 11 is provided with the first flange 9, abrasive cut-off wheel 10 is arranged on the first flange 9, the upper surface of abrasive cut-off wheel 10 is additionally provided with the second flange 13, first flange 9, second flange 13 and abrasive cut-off wheel 10 connect by nut 12 and bolt are fixing. dividing head turntable is existing apparatus, repeats no more.
Electrode moves up and down device for emery wheel 10 outer carries out fluting processing, electrode moves up and down the head of a bed 17 that device includes being arranged on lathe 1 and is arranged on the slide rail on the right side of the head of a bed 17 and electrode up and down motion slide unit 16, shaped electrode 15 is arranged on electrode up and down motion slide unit 16, for removably connecting between shaped electrode 15 and electrode up and down motion slide unit 16, in use, can according to the grooved of abrasive cut-off wheel to be processed, selecting difform shaped electrode 15, shaped electrode 15 moves up and down along slide rail together with electrode up and down motion slide unit 16; It is additionally provided with drive motor in the head of a bed 17, drive motor controls to connect electrode up and down motion slide unit 16, the head of a bed 17 is provided with electrode up and down motion button, and electrode up and down motion button connects drive motor, is used for controlling electrode up and down motion slide unit 16 and shaped electrode 15 moves up and down.
Being additionally provided with dividing head rotary knob on the head of a bed 17, dividing head rotary knob is connected with servomotor 6, is used for controlling dividing head turntable 8 and rotates.
Chiller is for lowering the temperature to abrasive cut-off wheel 10, abrasive cut-off wheel 10 is prevented to be deformed because of high temperature in the course of processing, atomizer 14 that chiller includes being arranged on the head of a bed 17 and the coolant fuel tank being arranged in lathe 1 and oil pump, atomizer 14 is arranged on above electrode movement slide unit, the oil-out of atomizer 14 is arranged at the top of abrasive cut-off wheel 10, and atomizer 14 connects coolant fuel tank by petroleum pipeline and oil pump.
The method utilizing metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus of the present invention to carry out abrasive cut-off wheel fluting, comprises the following steps successively:
(1) first fluting number is set in electrical control cubicles, then according to grooved to be processed, selects shaped electrode and fluting fixture, and the abrasive cut-off wheel needing processing is installed on fluting fixture, shaped electrode is fixed on electrode and moves up and down on slide unit;
(2) opening power, starts electrode up and down motion button, and shaped electrode is moved downward to setting position;
(3) starting impulse power supply, shake handwheel carries out cutter, when hearing discharging sound or seeing electric spark, is reset by the coordinate on the read head of grating scale;
The read head of grating scale connects the control signal input of electrical control cubicles, distance for being moved by abrasive cut-off wheel is shown in switch board, when hearing discharging sound or seeing electric spark, shaped electrode starts abrasive cut-off wheel is processed, on grating scale display be abrasive cut-off wheel initial position and shaped electrode between distance, now need the coordinate on the read head of grating scale to reset, to show the groove depth of abrasive cut-off wheel.
(4) shake handwheel, makes abrasive cut-off wheel constantly near shaped electrode, and abrasive cut-off wheel does not contact all the time with shaped electrode simultaneously, and shaped electrode utilizes instantaneous discharge principle to start abrasive cut-off wheel is slotted;
In abrasive cut-off wheel moving process, abrasive cut-off wheel does not contact all the time with shaped electrode, ensureing to maintain between abrasive cut-off wheel and shaped electrode an only small discharge channel, owing to discharge channel sectional area is little, discharge time is short, energy height is caused to be concentrated, the TRANSIENT HIGH TEMPERATURE of region of discharge makes the abrasive cut-off wheel close with shaped electrode melt, and forms a small rut, and abrasive cut-off wheel is constantly close to shaped electrode, the shape of shaped electrode is just replicated on abrasive cut-off wheel, forms required grooved. Not contacting between shaped electrode with abrasive cut-off wheel in whole cutting process, do not produce mechanical stress, abrasive cut-off wheel will not be deformed; And shaped electrode does not need to move back and forth, loss is little. The principle that abrasive cut-off wheel is processed by shaped electrode is prior art, repeats no more.
(5) observing the reading of the grating scale of display in electrical control cubicles, when in electrical control cubicles, the reading of the grating scale of display reaches required size, opposite direction shake handwheel exits;
The read head of grating scale connects the control signal input of electrical control cubicles, therefore the reading of grating scale is the groove depth of abrasive cut-off wheel.
(6) pressing bottom electrode up and down motion button, shaped electrode rises, and presses dividing head rotary knob simultaneously, and dividing head turntable drives abrasive cut-off wheel to rotate;
(7) after abrasive cut-off wheel is rotated in place, pressing bottom electrode up and down motion button, shaped electrode is moved downward to setting position;
(8) repeat step (3) to step (7), until all grooveds processed on this abrasive cut-off wheel, then take off abrasive cut-off wheel, carry out the processing of next group abrasive cut-off wheel.
Claims (9)
1. a metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus, it is characterized in that: include electrical control cubicles, workpiece moves left and right device and shaped electrode, described workpiece moves left and right device and is arranged at the right side of shaped electrode, for driving abrasive cut-off wheel to move left and right, shaped electrode connects the pulse power outfan of electrical control cubicles.
2. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 1, it is characterized in that: described workpiece moves left and right the pedestal that device includes being arranged on lathe and the slide unit being arranged on pedestal, pedestal is hollow structure, hollow part is provided with screw mandrel, screw mandrel and pedestal be arranged in parallel, the right side wall of pedestal is provided with through hole, the right-hand member of screw mandrel is fixedly connected with the hand wheel by through hole, the left end connection wire rod supporting seat of screw mandrel, screw mandrel supporting seat is fixed on the left side wall of pedestal, screw mandrel is arranged with nut, the upper surface of pedestal offers slide rail, nut traverse slide rail, fix with the lower surface of slide unit and be connected, being additionally provided with grating scale on pedestal, the scale of grating scale is fixed on pedestal, and read head is fixing with slide unit to be connected, and moves left and right with slide unit, and the read head of grating scale is also connected with the control signal input of electrical control cubicles.
3. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 1, it is characterized in that: described shaped electrode is arranged on electrode and moves up and down on device, described electrode moves up and down device and includes the head of a bed and be arranged on head of a bed slide rail at right surface and electrode movement slide unit, the head of a bed is arranged on workpiece and moves left and right on the left of device, shaped electrode is arranged on electrode up and down motion slide unit, for removably connecting between shaped electrode and electrode up and down motion slide unit, shaped electrode moves up and down along slide rail together with electrode movement slide unit.
4. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 3, it is characterized in that: in the described head of a bed, be provided with drive motor, drive motor controls to connect electrode up and down motion slide unit, being additionally provided with electrode up and down motion button on the head of a bed, electrode moves up and down button and is connected with drive motor.
5. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 2, it is characterized in that: described workpiece moves left and right and is additionally provided with workpiece rotary index device on device, described workpiece rotary index device dividing head turntable, including servomotor and fluting fixture, the input of servomotor connects the control signal outfan of electrical control cubicles, the outfan of servomotor controls to connect dividing head turntable, described fluting fixture is arranged on dividing head turntable, rotate with dividing head turntable, for removably connecting between dividing head turntable and fluting fixture, the upper surface of described fluting fixture is provided with the first flange, abrasive cut-off wheel is arranged on the first flange, the upper surface of abrasive cut-off wheel is additionally provided with the second flange, first flange, second flange and abrasive cut-off wheel connect by nuts and bolt is fixing.
6. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 5, it is characterised in that: servomotor and the dividing head turntable of described workpiece rotary index device are all fixedly installed on slide unit.
7. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 5, it is characterised in that: being additionally provided with dividing head rotary knob on the described head of a bed, dividing head rotary knob is connected with servomotor.
8. a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus as claimed in claim 7, it is characterized in that: also include chiller, atomizer that chiller includes being arranged on the head of a bed and the coolant fuel tank being arranged in lathe and oil pump, atomizer is arranged on above electrode movement slide unit, and atomizer connects coolant fuel tank by petroleum pipeline and oil pump.
9. utilize the method that a kind of metal bonding agent extra hard material abrasive cut-off wheel fluting apparatus described in claim 8 carries out abrasive cut-off wheel fluting, it is characterised in that comprise the following steps successively:
(1) first fluting number is set in electrical control cubicles, then according to grooved to be processed, selects shaped electrode and fluting fixture, and the abrasive cut-off wheel needing processing is installed on fluting fixture, shaped electrode is fixed on electrode and moves up and down on slide unit;
(2) opening power, starts electrode up and down motion button, and shaped electrode is moved downward to setting position;
(3) starting impulse power supply, shake handwheel carries out cutter, when hearing discharging sound or seeing electric spark, is reset by the coordinate on the read head of grating scale;
(4) shake handwheel, makes abrasive cut-off wheel constantly near shaped electrode, ensures that abrasive cut-off wheel does not contact all the time with shaped electrode simultaneously, and shaped electrode utilizes instantaneous discharge principle to start abrasive cut-off wheel is slotted;
(5) observing the reading of the grating scale of display in electrical control cubicles, when in electrical control cubicles, the reading of the grating scale of display reaches required size, opposite direction shake handwheel exits;
(6) pressing bottom electrode up and down motion button, shaped electrode rises, and presses dividing head rotary knob simultaneously, and dividing head turntable drives abrasive cut-off wheel to rotate;
(7) after abrasive cut-off wheel is rotated in place, pressing bottom electrode up and down motion button, shaped electrode is moved downward to setting position;
(8) repeat step (3) to step (7), until all grooveds processed on this abrasive cut-off wheel, then take off abrasive cut-off wheel, carry out the processing of next group abrasive cut-off wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155211.1A CN105643027A (en) | 2016-03-18 | 2016-03-18 | Metal bond ultrahard material abrasive cutting wheel grooving equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155211.1A CN105643027A (en) | 2016-03-18 | 2016-03-18 | Metal bond ultrahard material abrasive cutting wheel grooving equipment and method |
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| CN105643027A true CN105643027A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610155211.1A Pending CN105643027A (en) | 2016-03-18 | 2016-03-18 | Metal bond ultrahard material abrasive cutting wheel grooving equipment and method |
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| CN (1) | CN105643027A (en) |
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| CN106863052A (en) * | 2017-02-15 | 2017-06-20 | 谢博 | A kind of burnishing device for steel finishing |
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