CN104028859A - Electrode locating method of discharge jig - Google Patents
Electrode locating method of discharge jig Download PDFInfo
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- CN104028859A CN104028859A CN201410220771.1A CN201410220771A CN104028859A CN 104028859 A CN104028859 A CN 104028859A CN 201410220771 A CN201410220771 A CN 201410220771A CN 104028859 A CN104028859 A CN 104028859A
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Abstract
The invention provides an electrode locating method of a discharge jig. The discharge jig comprises a connection mechanism and an electrode fixing board used for being adhering to electrodes, wherein the connection mechanism is connected with a spark machine. The method comprises the steps that an angle rule is arranged on the handpiece of the spark machine, touch data determining and correcting are performed by means of the angle rule, then the relative positions, of two or more electrodes, on the electrode fixing board are sequentially determined, and the electrodes are fixed in an adhering mode; the spark machine is provided, so that the connection mechanism of the discharge jig is fixedly clamped to a standard chuck connected to the handpiece of the spark machine, and a die to be machined is fixed on a workbench of the spark machine; touch data locating is performed on the die to be machined and the electrodes so that the work coordinate system of the spark machine can coincide with a reference coordinate system. The method can be applied to machine the die with multiple holes, repeated locating and touch data determining of many times do not need to be performed on the electrodes, electrode calibration time and die hole machining time are saved, the machining period is greatly shortened, the purposes of rapid connection and the improvement on machining efficiency are achieved, and accurate location is also guaranteed.
Description
Technical field
The present invention relates to mold machining technology field, relate in particular to a kind of electrode localization method of discharge fixture.
Background technology
Die cavity electric discharge to mould adds man-hour, needs to use electrode.Electrode is divided into electrode body part and electrode reference frame part, and electrode body part is used for participating in electric discharge, and electrode reference frame part does not participate in electric discharge, is only used for correcting electrode and peek.The general one end of existing discharge fixture is electrically connected on spark machine by connector, and the other end has an electrode for discharging.Adding man-hour, is generally that mould to be processed is fixed on the workbench of spark machine, and discharge fixture is clamped on special fixture, then adjusts and proofread and correct the position of discharge fixture, with being connected in discharge fixture on spark machine to the workpiece processing of discharging.
Existing mold comprises a kind of mould of multi-point mould, and this mould is in electric discharge processing, and process a die cavity all needs electrode to touch number at every turn, and adjusts the Working position of electrode.This processing mode step is complicated, causes the spent time of correcting electrode long, increases time cost, and in the process of adjusting, easily produces accumulated error, reduces machining accuracy.
Summary of the invention
For overcoming the problem of the deficiencies in the prior art and existence, the invention provides a kind of electrode localization method of discharge fixture, to realize accurate keeper electrode, to ensure that processing is accurate, the object of raising working (machining) efficiency.
The present invention is achieved by the following technical solutions: a kind of electrode localization method of discharge fixture, discharge fixture comprises a connecting rod, the upper end of connecting rod is provided with bindiny mechanism, and the bottom of connecting rod is fixed with an electrode fixed head for bonding electrode, said method comprising the steps of:
A, bonding electrode: on a spark machine head, angle square is installed, the bindiny mechanism of discharge fixture is fixed with the standard chuck being assemblied on spark machine workbench, adjust angle square consistent with the X-Y direction of standard chuck and the X-Y direction of principal axis of lathe coordinate system, angle square is determined successively the relative position of at least two electrodes on electrode fixed head after touching number with electrode and proofreading and correct, and each electrode is adhesively fixed;
B, the discharge fixture of removing stage makeup and costume: discharge fixture is unloaded, one spark machine is provided, in spark machine system, store the die parameters to be processed under a frame of reference, the bindiny mechanism of discharge fixture is fixed with the standard chuck being connected on this spark machine head, and the X-Y direction of this standard chuck is consistent with the X-Y direction of principal axis of lathe coordinate system;
C, keeper electrode: on the spark machine workbench in step B, fix mould to be processed, touch number location by treating processing mold and electrode, the work coordinate system of spark machine and the frame of reference are coincided.
Described angle square in steps A is 90 ° of angle squares, and using one side of angle square as directions X benchmark, parallel with the X-direction of lathe coordinate system, another side is as Y-direction benchmark, parallel with the Y direction of lathe coordinate system; This angle square is determined the directions X of electrode and the bonding location coordinate of Y-direction after touching number with electrode and proofreading and correct.
Steps A is determined behind the position of electrode, by conducting resinl, electrode is adhered on electrode fixed head.
In the present invention, the line of the X-Y direction of described standard chuck and the consistent adjacent positioned datum mark that refers to standard chuck of the X-Y direction of principal axis of lathe coordinate system is parallel with X or the Y direction of lathe coordinate system respectively.
Described in step B, be connected in the electrode on spark machine head, while being fixed on spark machine workbench with respect to steps A, only overturn 180 ° around X-axis or the Y direction of lathe coordinate system.
In step C, make the reference direction of mould to be processed consistent with lathe coordinate system direction.
Steps A is the first spark machine for the spark machine of bonding electrode, and the spark machine for processing mold of step C is the second spark machine, and this two spark machine shares the die parameters to be processed under a frame of reference by transfer of data.
Preferably, described electrode is that warp cuts the graphite electrode being processed to form, and presetting outside machine.
Described mould to be processed of the present invention is multi-point mould mould.
Compared with the prior art, utilize the present invention to carry out in process the mould of multi-point mould, configure a spark machine for bonding electrode, utilize angle square corresponding multiple electrodes of die cavity bonding and mould to be processed on the electrode fixed head of discharge fixture, do not need in turn each die cavity to be processed, only need one-time positioning to touch number, saved die cavity process time, greatly shortened the process-cycle; And electrode is bonding complete after, directly discharge fixture is connected with spark machine clamping, do not need to recycle amesdial and proofread and correct, both ensured machining accuracy, accurately located, save again the electrode alignment time, realized the object of quick connection, raising working (machining) efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the discharge fixture of a kind of embodiment of the present invention;
Fig. 2 is the distribution of electrodes schematic diagram of the discharge fixture of a kind of embodiment of the present invention;
Fig. 3 is the schematic diagram that utilizes the bonding electrode of spark machine of steps A of the present invention;
Fig. 4 is the schematic diagram that the discharge fixture of step B of the present invention is assemblied in spark machine.
In figure: 1-connecting rod, 2-bindiny mechanism, 21-blind rivet, 22-locating dowel, 3-electrode fixed head, 4-electrode, 41-electrode extension rod, 42-electrode tip, 5-spark machine head, 6-electrode positioning rule, 7-spark machine workbench, 8-chuck, 9-mould.
Detailed description of the invention
For the ease of those skilled in the art's understanding, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be pointed out that specific embodiment described herein, only for explaining the present invention, is not intended to limit the present invention.
The invention discloses a kind of electrode localization method of discharge fixture.As shown in Figure 1, described discharge fixture comprises a connecting rod 1, the upper end of described connecting rod is provided with bindiny mechanism 2 for this discharge fixture is assemblied in to spark machine, the bottom of connecting rod is bolted mode and is fixed with the electrode fixed head 3 for bonding electrode of a cuboid, preferably, the bottom of connecting rod be used for assembling screw rod along its position of center line reserving installation hole, on electrode fixed head 3, reserving installation hole is for assembling the inner nut matching with screw rod.Particularly, the bottom of described connecting rod 1 is connected in the upper bottom surface medium position of electrode fixed head 3, and the bottom surface of electrode fixed head is bonded with electrode 4.On described electrode fixed head, be bonded with equably at least two electrodes 4.On electrode fixed head as shown in Figure 2, be bonded with three electrodes.Described electrode 4 comprises the electrode extension rod 41 that is adhered to electrode fixed head bottom surface, is bonded with respectively an electrode tip 42 on each electrode extension rod.Described electrode can be graphite electrode.
The bindiny mechanism 2 of the upper end of described connecting rod, for matching with the chuck of spark machine, is assemblied in spark machine by this discharge fixture.In one embodiment, described bindiny mechanism 2 comprises the blind rivet 21 of the geometric center position that is arranged at small end face and is distributed in the locating dowel 22 of small end face.In another kind of embodiment, described bindiny mechanism 2 comprises the rectangular column or the columniform contiguous block that join with small end portion, and the geometric center position of this contiguous block end face is equipped with blind rivet 21, and is distributed with locating dowel 22 on this end face.
Electrode localization method of the present invention can be applicable to process multi-point mould mould, and the method comprises the following steps:
A, bonding electrode: on a spark machine head 5, angle square is installed, the bindiny mechanism of discharge fixture is fixed with the standard chuck being assemblied on spark machine workbench 7, adjust angle square consistent with the X-Y direction of standard chuck and the X-Y direction of principal axis of lathe coordinate system, angle square is determined successively the relative position of at least two electrodes on electrode fixed head after touching number with electrode and proofreading and correct, and each electrode is adhesively fixed;
B, the discharge fixture of removing stage makeup and costume: discharge fixture is unloaded, another spark machine is provided, in spark machine system, store the die parameters to be processed under a frame of reference, the bindiny mechanism of discharge fixture is fixed with the standard chuck being connected on this spark machine head 5, and the X-Y direction of this standard chuck is consistent with the X-Y direction of principal axis of lathe coordinate system;
C, keeper electrode: on the spark machine workbench 7 in step B, fix mould to be processed, touch number location by treating processing mold and electrode, the work coordinate system of spark machine and the frame of reference are coincided.
Described electrode of the present invention can be warp and cuts the graphite electrode being processed to form, and presetting outside machine.Before steps A, first electrode is carried out to line and cut processing, form the electrode matching with the die cavity shape of mould to be processed, then carry out outside machine presetting at presetting machine worktable to electrode.
In the present embodiment, steps A is defined as to the first spark machine for the spark machine of bonding electrode, the spark machine for processing mold of step C is defined as the second spark machine, and this two spark machine can share the die parameters to be processed under a frame of reference by transfer of data.Preferably, also can share the position data of the electrode in steps A, all to be benchmark with machine coordinates owing to being connected to the standard chuck that is connected to the second spark machine head in the angle square of the first spark machine head and Mould Machining process in sticky electrode process, by the first spark machine, the position data of electrode is common to the second spark machine, thereby make the second spark machine system can directly obtain the orientation angle data of electrode with respect to lathe coordinate system X-Y plane, the electrode by this orientation angle market demand when the processing mold touches number and proofreaies and correct.
Described mould to be processed of the present invention can be multi-point mould mould.Utilize the present invention to carry out in process the mould of multi-point mould, one of them key point is multiple electrodes will be attached on electrode fixed head accurately.In the present invention, configuration the first spark machine is for bonding electrode.As shown in Figure 3,90 ° of angle squares are installed on the first spark machine head, described angle square is 90 ° of angle squares, using one side of angle square as directions X benchmark, parallel with the X-direction of lathe coordinate system, another side is as Y-direction benchmark, parallel with the Y direction of lathe coordinate system; This angle square is determined the directions X of electrode and the bonding location coordinate of Y-direction after touching number with electrode and proofreading and correct.Preferably, taking the long limit of this angle square as X-axis, minor face is Y axle, can be touched number and be proofreaied and correct by 90 ° of angle squares and the electrode being placed on the solid plate of electrode.
As shown in Figure 3, the connecting rod assembling and electrode fixed head are fixed on and on the first spark machine workbench, glue electrode operation, on described workbench, be fixed with a square pneumatic standard chuck 8, the installation direction of this standard chuck 8 is consistent with lathe coordinate system direction, be that the X-Y direction of described standard chuck and the X-Y direction of principal axis of lathe coordinate system are consistent, specifically the line of the adjacent positioned datum mark of the accurate chuck of index is parallel with X or the Y direction of lathe coordinate system respectively.Bindiny mechanism 2 and this pneumatic standard chuck 8 of described discharge fixture are fixed, in sticky electrode process, according to predefined electrode coordinate position, carry out electrode location by the angle square 6 connecting on the first spark machine head, determine behind the position of electrode, by conducting resinl, electrode 4 is adhered on electrode fixed head.This angle square is determined the directions X of electrode and the bonding location coordinate of Y-direction based on die parameters to be processed.Steps A is determined behind the position of each electrode, by conducting resinl, electrode is adhered on electrode fixed head.After electrode glues, discharge fixture is taken out from chuck.
As shown in Figure 4, be assemblied in the schematic diagram of the second spark machine for the discharge fixture of step B.Steps A is mounted on the second spark machine head after discharge fixture is taken out from chuck.On described the second spark machine head, be connected with a pneumatic standard chuck 8, the installation direction of this standard chuck 8 is consistent with lathe coordinate system direction, be that the X-Y direction of described standard chuck and the X-Y direction of principal axis of lathe coordinate system are consistent, the line of the adjacent positioned datum mark of the accurate chuck of index is parallel with X or the Y direction of lathe coordinate system respectively specifically.Bindiny mechanism 2 and this pneumatic standard chuck 8 of described discharge fixture are fixed, and discharge fixture is assemblied on the second spark machine.
Described in step B, be connected in the standard chuck on the first spark machine workbench that is assemblied in standard chuck on the second spark machine head and steps A, both installed surfaces are mutually the mirror image on horizontal plane.Therefore, only the bindiny mechanism of discharge fixture need to be fastened on standard chuck, now the coordinate system direction of discharge fixture is consistent with lathe coordinate system direction, and do not need to re-use traditional amesdial, electrode is proofreaied and correct.Preferably, when electrode is connected on the second spark machine head, while being fixed on the first spark machine workbench with respect to steps A, only need overturning 180 ° around the X-axis of lathe coordinate system or Y direction, and not rotate around Z axis.The bindiny mechanism of discharge fixture be arranged on pneumatic standard chuck on spark head and be connected and fixed after, while guaranteeing with sticky electrode compared with, electrode is consistent with the parallel situation of the X-Y axle of lathe coordinate system.
In step C, described mould to be processed is fixed on the second spark machine workbench.Preferably, before fixing, guarantee that mould positioning datum overlaps with the X-Y direction of principal axis of lathe coordinate system, makes the reference direction of this mould to be processed consistent with lathe coordinate system direction.The reference direction of described mould to be processed be the to be processed die parameters of input in the second spark machine system based on frame of reference direction.Need to treat processing mold and touch after definite its coordinate position of number, the spark machine head that is connected with discharge fixture carries out translation automatically, and the work coordinate system of spark machine and the frame of reference are coincided.The described number that touches can utilize contact perceptional function to make electrode contact perception with mould along all directions.After electrode has been located, successively mould is carried out to roughing and fining-off.To this Mould Machining of multiple die cavitys, only number need to once be touched and can ensure the machining accuracy of die cavity.
The content of mentioning in above-described embodiment is not limitation of the invention, is not departing under the prerequisite of inventive concept of the present invention, and any apparent replacement is all within protection scope of the present invention.
Claims (9)
1. an electrode localization method for discharge fixture, discharge fixture comprises a connecting rod, and the upper end of connecting rod is provided with bindiny mechanism, and the bottom of connecting rod is fixed with an electrode fixed head for bonding electrode, said method comprising the steps of:
A, bonding electrode: on a spark machine head, angle square is installed, the bindiny mechanism of discharge fixture is fixed with the standard chuck being assemblied on spark machine workbench, adjust angle square consistent with the X-Y direction of standard chuck and the X-Y direction of principal axis of lathe coordinate system, angle square is determined successively the relative position of at least two electrodes on electrode fixed head after touching number with electrode and proofreading and correct, and each electrode is adhesively fixed;
B, the discharge fixture of removing stage makeup and costume: discharge fixture is unloaded, one spark machine is provided, in spark machine system, store the die parameters to be processed under a frame of reference, the bindiny mechanism of discharge fixture is fixed with the standard chuck being connected on this spark machine head, and the X-Y direction of this standard chuck is consistent with the X-Y direction of principal axis of lathe coordinate system;
C, keeper electrode: on the spark machine workbench in step B, fix mould to be processed, touch number location by treating processing mold and electrode, the work coordinate system of spark machine and the frame of reference are coincided.
2. the electrode localization method of discharge fixture according to claim 1, it is characterized in that: the described angle square in steps A is 90 ° of angle squares, using one side of angle square as directions X benchmark, parallel with the X-direction of lathe coordinate system, another side is as Y-direction benchmark, parallel with the Y direction of lathe coordinate system; This angle square is determined the directions X of electrode and the bonding location coordinate of Y-direction after touching number with electrode and proofreading and correct.
3. the electrode localization method of discharge fixture according to claim 2, is characterized in that: steps A is determined behind the position of electrode, by conducting resinl, electrode is adhered on electrode fixed head.
4. the electrode localization method of discharge fixture according to claim 3, is characterized in that: the line of the X-Y direction of the described standard chuck adjacent positioned datum mark that refer to standard chuck consistent with the X-Y direction of principal axis of lathe coordinate system is parallel with X or the Y direction of lathe coordinate system respectively.
5. the electrode localization method of discharge fixture according to claim 1, it is characterized in that: described in step B, be connected in the electrode on spark machine head, while being fixed on spark machine workbench with respect to steps A, only overturn 180 ° around X-axis or the Y direction of lathe coordinate system.
6. the electrode localization method of discharge fixture according to claim 1, is characterized in that: in step C, make the reference direction of mould to be processed consistent with lathe coordinate system direction.
7. the electrode localization method of discharge fixture according to claim 1, it is characterized in that: steps A is the first spark machine for the spark machine of bonding electrode, the spark machine for processing mold of step C is the second spark machine, and this two spark machine shares the die parameters to be processed under a frame of reference by transfer of data.
8. according to the electrode localization method of the discharge fixture described in any one in claim 1-7, it is characterized in that: described electrode is that warp cuts the graphite electrode being processed to form, and presetting outside machine.
9. according to the electrode localization method of the discharge fixture described in any one in claim 1-7, it is characterized in that: described mould to be processed is multi-point mould mould.
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| CN201410220771.1A CN104028859B (en) | 2014-05-23 | 2014-05-23 | A kind of electrode localization method of discharge fixture |
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| CN201410220771.1A CN104028859B (en) | 2014-05-23 | 2014-05-23 | A kind of electrode localization method of discharge fixture |
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| CN104028859B CN104028859B (en) | 2016-05-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105251786A (en) * | 2015-10-27 | 2016-01-20 | 南京钢铁股份有限公司 | Method for intelligent grouping rolled steel type in steel rolling process |
| CN112355418A (en) * | 2020-10-21 | 2021-02-12 | 福建省南平铝业股份有限公司 | Porous extrusion die processing smelting tool suitable for electric spark machining |
| CN112872511A (en) * | 2020-12-24 | 2021-06-01 | 四川科思精密模具有限公司 | Clamping device and method beneficial to machining of side rubber openings of parts |
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| EP2295181A2 (en) * | 2009-09-09 | 2011-03-16 | Agie Charmilles SA | Method and machine for machining parts using spark-erosion milling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112872511A (en) * | 2020-12-24 | 2021-06-01 | 四川科思精密模具有限公司 | Clamping device and method beneficial to machining of side rubber openings of parts |
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| CN104028859B (en) | 2016-05-18 |
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Address after: 511500 Guangdong city of Qingyuan province high tech Industrial Development Zone, Tai Ji industrial city Patentee after: Luxe Canton new material Co Ltd Address before: 511540 Guangdong Province, Qingyuan City Economic Development Zone, Liuzhou Industrial Park, Taiji Industrial City No. Patentee before: Guangdong Haomei Aluminum Co., Ltd. |