CN219837274U - Structure for improving electric spark machining precision of die - Google Patents
Structure for improving electric spark machining precision of die Download PDFInfo
- Publication number
- CN219837274U CN219837274U CN202321258140.XU CN202321258140U CN219837274U CN 219837274 U CN219837274 U CN 219837274U CN 202321258140 U CN202321258140 U CN 202321258140U CN 219837274 U CN219837274 U CN 219837274U
- Authority
- CN
- China
- Prior art keywords
- ball
- center
- workpiece
- electric spark
- tool electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010892 electric spark Methods 0.000 title claims abstract description 42
- 238000003754 machining Methods 0.000 title claims abstract description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000009760 electrical discharge machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model discloses a structure for improving the electric spark machining precision of a die, which comprises a workbench, an electric spark machine tool, an electric spark clamp and a workpiece, wherein a first middle ball is arranged on the workbench or the workpiece, the first middle ball is vertically arranged, and a ball body of the first middle ball is positioned at the upper end; the electric spark fixture is provided with a second center ball, the second center ball is vertically arranged, the ball body of the second center ball is positioned at the lower end, the position coordinates of the center of the first center ball and the center of the workpiece to be machined are conveniently determined by moving the second center ball, and after the second center ball is replaced by the tool electrode, the first center ball is used for centering with the tool electrode and moving the tool electrode according to the position relation between the first center ball and the center of the workpiece to be machined, so that the axial leads of the tool electrode and the center of the workpiece to be machined are positioned on the same straight line. The structure can effectively ensure that the axial leads of the tool electrode and the workpiece to be processed are positioned on the same straight line, thereby being beneficial to improving the processing precision of the die.
Description
Technical Field
The utility model belongs to the technical field of die machining, relates to electric spark machining, and in particular relates to a structure for improving the electric spark machining precision of a die.
Background
Electric Discharge Machining (EDM) is a method of machining a workpiece by the electrolytic etching action of a pulse discharge between a tool electrode and a workpiece electrode in a certain medium. The tool electrode is assembled on the electric spark machine tool through the electric spark clamp so as to process the workpiece.
In electric spark machining, the accuracy of machining is directly determined by the relative positioning accuracy between the tool electrode and the workpiece, so that the tool electrode is vertical to the reference surface of the workpiece, and the axial leads of the tool electrode and the workpiece to be machined are located on the same straight line. The existing electric spark machining method comprises the following steps: firstly, mounting a workpiece on a workbench by adopting mounting parts such as a pressing plate or a magnetic chuck, and correcting by using a dial indicator; then, the electrode is assembled on an electric spark clamp, and correction is carried out by adopting a dial indicator, so that the tool electrode is vertical to a workpiece reference surface, namely, the perpendicularity and levelness of the tool electrode are ensured; then adopting a movable tool electrode and a workpiece to carry out collision number adjustment on the axis of the tool electrode and the axis of a workpiece processing part so as to enable the axis of the tool electrode and the axis of the workpiece processing part to be positioned on the same straight line; and finally, performing electric spark electrician. However, the method of adopting the tool electrode collision number is that the tool electrode is in surface-to-surface sensing contact with the workpiece, so that the error is higher, and the processing precision of the die is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a structure for improving the electric spark machining precision of a die, and the structure can effectively ensure that the axial leads of a tool electrode and a workpiece to be machined are positioned on the same straight line, thereby being beneficial to improving the machining precision of the die.
The technical scheme of the utility model is realized as follows:
the utility model provides a structure for improving mould spark-erosion machining precision, includes workstation, spark-erosion machine tool, spark-erosion clamp and work piece, the spark-erosion clamp sets up on the spark-erosion machine tool, the work piece passes through the mounting and sets up on the workstation, be equipped with first minute ball on workstation or the work piece, first minute ball is vertical to be set up and the spheroid of first minute ball is located the upper end; the electric spark fixture is provided with a second center ball, the second center ball is vertically arranged, the ball body of the second center ball is positioned at the lower end, the position coordinates of the center of the first center ball and the center of the workpiece to be machined are conveniently determined by moving the second center ball, and after the second center ball is replaced by the tool electrode, the first center ball is used for centering with the tool electrode and moving the tool electrode according to the position relation between the first center ball and the center of the workpiece to be machined, so that the axial lines of the tool electrode and the center of the workpiece to be machined are positioned on the same straight line.
Further, the first middle ball and the second middle ball are magnetic force middle balls, the first middle ball and the second middle ball comprise a ball body and a base, the ball body is arranged on the base through a rod body which is vertically arranged, the first middle ball is arranged on a workbench, and the second middle ball is arranged at the lower end of an electric spark clamp by means of magnetic force.
Further, the first middle ball and the second middle ball are middle balls with the same specification.
Further, the mounting piece is a magnetic chuck, the magnetic chuck is horizontally placed on the workbench, and the workpiece is placed on the upper surface of the magnetic chuck and the part to be processed of the workpiece faces upwards.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the first center dividing ball is arranged on the workbench or the workpiece, the second center dividing ball is arranged on the electric spark clamp, and the second center dividing ball is moved to be respectively centered with the centers of the first center dividing ball and the workpiece to-be-processed part, so that the position coordinates of the centers of the first center dividing ball and the workpiece to-be-processed part are determined; and then replacing the second center ball with a tool electrode, moving the tool electrode to be centered with the first center ball, and then moving the tool electrode according to the position relation between the first center ball and the center of the part to be processed of the workpiece so that the axial leads of the tool electrode and the part to be processed of the workpiece are positioned on the same straight line. The center centering of the second center ball, the center centering of the first center ball and the center centering of the workpiece to be machined and the center centering of the first center ball and the center centering of the tool electrode are all point-to-point sensing contact, so that machining errors can be effectively reduced, and the machining precision of the die is improved. Practice proves that the micrometer-scale error can be realized by adopting the structure to process the die.
Drawings
FIG. 1-schematic structural diagram of the present utility model.
Fig. 2-schematic structural diagram after replacement of the ball in the second cell with a tool electrode.
Wherein: 1-a workbench; 2-a magnetic chuck; 3-a workpiece; 4-a second split sphere; 5-electric spark clamp; 6-an electric spark machine tool; 7-a first split sphere; 8-tool electrode.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1 and 2, a structure for improving the electric spark machining precision of a die comprises a workbench 1, an electric spark machine tool 6, an electric spark clamp 5 and a workpiece 3, wherein the electric spark clamp 5 is arranged on the electric spark machine tool 6, the workpiece 3 is arranged on the workbench 1 through a mounting piece, a first middle ball 7 is arranged on the workbench 1 or the workpiece 3, the first middle ball 7 is vertically arranged, and the sphere of the first middle ball 7 is positioned at the upper end; the electric spark fixture 5 is provided with a second center ball 4, the second center ball 4 is vertically arranged, the ball body of the second center ball 4 is positioned at the lower end, the position coordinates of the centers of the first center ball 7 and the workpiece 3 to be processed are conveniently determined by moving the second center ball 4, and when the second center ball 4 is replaced by the tool electrode 8, the first center ball 7 is used for centering with the tool electrode 8, and the tool electrode 8 is moved according to the position relation between the first center ball 7 and the center of the workpiece 3 to be processed, so that the axial leads of the tool electrode 8 and the workpiece 3 to be processed are positioned on the same straight line.
After the workpiece is mounted on the workbench, before the workpiece is machined, the second center ball is moved to be respectively centered with the centers of the first center ball and the workpiece part to be machined, so that the position coordinates of the centers of the first center ball and the workpiece part to be machined are determined; and then replacing the second center ball with a tool electrode, moving the tool electrode to be centered with the first center ball, and then moving the tool electrode according to the position relation between the first center ball and the center of the part to be processed of the workpiece so that the axial leads of the tool electrode and the part to be processed of the workpiece are positioned on the same straight line. The whole operation is calculated and processed through an electric spark numerical control program, and the center centering of the second center ball, the center centering of the first center ball and the workpiece to be processed and the center centering of the first center ball and the tool electrode are all point-to-point sensing contact, so that the processing error can be effectively reduced, and the processing precision of the die is improved. Practice proves that the structure is adopted to process the die, can realize micron-scale errors, greatly improves the die processing precision, and is particularly suitable for processing high-precision dies.
The first middle ball is arranged on the workbench and the workpiece, so long as the setting position of the first middle ball is ensured to be in the moving travel range of the electric spark machine tool, and the movement of the electric spark machine tool is not influenced.
During implementation, the first middle ball 7 and the second middle ball 4 are magnetic middle balls, and the first middle ball 7 and the second middle ball 4 comprise a ball body and a base, the ball body is arranged on the base through a vertically arranged rod body, the first middle ball 7 is arranged on the workbench 1, and the second middle ball 4 is arranged at the lower end of the electric spark clamp 5 by means of magnetic force.
The first middle ball is arranged on the workbench, and is not influenced by the workpiece relative to the workpiece, so that the installation is more convenient.
The first middle ball and the second middle ball are respectively arranged on the workbench and the electric spark clamp through magnetic force, so that the operation is convenient.
In specific implementation, the first middle ball 7 and the second middle ball 4 are middle balls with the same specification.
Therefore, the specification parameters of the first split ball and the second split ball are consistent, and the centering error can be reduced to a certain extent, so that the die machining precision is further improved.
During implementation, the mounting piece is the magnetic chuck 2, the magnetic chuck 2 level is placed on workstation 1, work piece 3 is placed at the upper surface of magnetic chuck 2 and work piece 3 waits that the processing position is up.
The structure is used for electric spark machining, and the specific steps are as follows: installing a workpiece on a workbench, and correcting the workpiece so that the reference surface of the workpiece is parallel to the X axis and the Y axis of the workbench respectively; placing the first center dividing ball on a workbench, placing the second center dividing ball at the lower end of an electric spark clamp, enabling the ball body of the second center dividing ball to face downwards, and then moving the second center dividing ball to be respectively centered with the centers of the first center dividing ball and a workpiece part to be processed, so that the position coordinates of the centers of the first center dividing ball and the workpiece part to be processed are determined; and then replacing the second center ball with a tool electrode, correcting the tool electrode, ensuring the perpendicularity and levelness of the tool electrode, moving the tool electrode to be centered with the first center ball, automatically moving the tool electrode according to the position relation between the first center ball and the center of the workpiece to be machined so that the axial leads of the tool electrode and the workpiece to be machined are positioned on the same straight line, and finally machining the workpiece.
Finally, it should be noted that the above-mentioned examples of the present utility model are only illustrative of the present utility model and are not limiting of the embodiments of the present utility model. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. Not all embodiments are exhaustive. Obvious changes and modifications which are extended by the technical proposal of the utility model are still within the protection scope of the utility model.
Claims (4)
1. The structure for improving the electric spark machining precision of the die is characterized by comprising a workbench (1), an electric spark machine tool (6), an electric spark clamp (5) and a workpiece (3), wherein the electric spark clamp (5) is arranged on the electric spark machine tool (6), the workpiece (3) is arranged on the workbench (1) through a mounting piece, a first middle ball (7) is arranged on the workbench (1) or the workpiece (3), and the first middle ball (7) is vertically arranged and positioned at the upper end; the electric spark fixture (5) is provided with a second center-dividing ball (4), the second center-dividing ball (4) is vertically arranged, the ball of the second center-dividing ball (4) is located at the lower end, the position coordinates of the centers of the first center-dividing ball (7) and the workpiece (3) to be machined are conveniently determined by moving the second center-dividing ball (4), and after the second center-dividing ball (4) is replaced by the tool electrode (8), the first center-dividing ball (7) is used for centering with the tool electrode (8) and the tool electrode (8) is moved according to the position relation between the first center-dividing ball (7) and the center of the workpiece (3) to be machined, so that the axial leads of the tool electrode (8) and the workpiece (3) to be machined are located on the same straight line.
2. The structure for improving the electric spark machining precision of the die according to claim 1, wherein the first center-dividing ball (7) and the second center-dividing ball (4) are magnetic center-dividing balls, the first center-dividing ball (7) and the second center-dividing ball (4) comprise a ball body and a base, the ball body is arranged on the base through a rod body which is vertically arranged, the first center-dividing ball (7) is arranged on the workbench (1), and the second center-dividing ball (4) is arranged at the lower end of the electric spark clamp (5) by means of magnetic force.
3. A structure for improving the precision of die electro-discharge machining according to claim 1 or 2, characterized in that the first and second split spheres (7, 4) are identical specification split spheres.
4. The structure for improving the electric spark machining precision of the die according to claim 1, wherein the mounting piece is a magnetic chuck (2), the magnetic chuck (2) is horizontally placed on the workbench (1), the workpiece (3) is placed on the upper surface of the magnetic chuck (2), and the part to be machined of the workpiece (3) faces upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321258140.XU CN219837274U (en) | 2023-05-23 | 2023-05-23 | Structure for improving electric spark machining precision of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321258140.XU CN219837274U (en) | 2023-05-23 | 2023-05-23 | Structure for improving electric spark machining precision of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219837274U true CN219837274U (en) | 2023-10-17 |
Family
ID=88297541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321258140.XU Active CN219837274U (en) | 2023-05-23 | 2023-05-23 | Structure for improving electric spark machining precision of die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219837274U (en) |
-
2023
- 2023-05-23 CN CN202321258140.XU patent/CN219837274U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101664833B (en) | Method for processing complex curved surface for shaping electric discharge machine (EDM) | |
| CN202667842U (en) | Adjusting jig for electric spark machining type electrode | |
| CN102009235B (en) | Method for positioning workpiece and electrode in mould discharging technology | |
| CN201755706U (en) | Electrode tool for electric spark forming of rubbery molds | |
| CN102069241B (en) | Machining electrode for annular holes and machining method | |
| CN102873514B (en) | Method for processing crystallizer copper pipe with upper and lower installation spigots | |
| CN204673372U (en) | For the tool setting device of numerically controlled lathe and numerical control boring and milling class lathe | |
| CN219837274U (en) | Structure for improving electric spark machining precision of die | |
| CN101274374A (en) | Method for conveniently cutting wire | |
| CN217166850U (en) | Processing frock of conical surface groove in gas turbine swirler | |
| CN105643194A (en) | Lathe clamping machining and production process for motor end cover | |
| CN111230589A (en) | Method for correcting perpendicularity between Y-axis sliding saddle and X-axis workbench of large numerical control gantry machining center | |
| CN201446323U (en) | Apparatus for processing complex curved surface by electrical spark | |
| CN213437671U (en) | Novel maintenance device for ball nozzle of injection molding machine | |
| CN112775507A (en) | Positioning system for electrode in spark machine | |
| CN207771021U (en) | A kind of swing axis movement five-shaft numerical control EDM shaping machine | |
| CN104772651A (en) | Tool setting device for numerical control lathe and numerical control boring-milling machine | |
| CN213225249U (en) | Novel automobile expansion valve adapter processing frock | |
| CN114888380B (en) | Electrolytic machining device for drag-reducing microtextured surface blade sleeve material and working method | |
| CN101890544B (en) | Electrode wire reverse copying module of ultrafine electric discharge machine tool | |
| CN105252091A (en) | Electric discharge machining method for supporting faces of optical element flexible supporting structures | |
| CN110977070A (en) | Fixing device and method for blade tenon in linear cutting | |
| CN216859036U (en) | Quick positioning jig for parts | |
| CN220612571U (en) | Wire-cut electric discharge machine with planer-type graduation three-jaw positioning mechanism | |
| CN105171148B (en) | The preparation method of micro tool electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |