CN2936522Y - Numerical control electric spark curve milling machine - Google Patents
Numerical control electric spark curve milling machine Download PDFInfo
- Publication number
- CN2936522Y CN2936522Y CN 200620006228 CN200620006228U CN2936522Y CN 2936522 Y CN2936522 Y CN 2936522Y CN 200620006228 CN200620006228 CN 200620006228 CN 200620006228 U CN200620006228 U CN 200620006228U CN 2936522 Y CN2936522 Y CN 2936522Y
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- CN
- China
- Prior art keywords
- electric spark
- bistrique
- workbench
- digitally controlled
- workpiece
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model disclose an NC EDM curved-surface grinding machine, which comprises a machine body, wherein, a column forms a rotary connection with a grinding head driven to rotate by a rotating driving device, and the guide rails respectively arranged on the upper surface and under surface of the dragging plate form an angle of 90 degrees; the transverse driving device drives the working platform to move between the left side and right side while the longitudinal driving device drives the working platform to move forwards and backwards; a fastening device is arranged on the working platform. The pulsed electrical source transports electric pulse via an electrode wire Y, and working fluid is supplied to the working area by the working fluid supply device. The utility model can finish EDM grinding on curved-surfaces and can function automatically according to the program which is arranged beforehand. The utility model solves the problem of accurate processing for curved-surfaces, and has the advantages of fast processing speed, improved surface quality and low cost.
Description
Technical field
The utility model relates to a kind of spark-erosion machine tool, relates in particular to a kind of numerically controlled discharge machine that is used for the automatic electric spark grinding of curved surface.
Background technology
The surface that is similar to gear, cam etc. is the fine finishining of curved surface part, utilizes very difficulty of general grinding machine processing, because general grinding machine can only grinding plane and regular inner and outer round surface.At present, a kind of gear shaving or gear honing machine are all adopted in the grinding of gear surface, utilize generating principle to lean on the end pointwise grinding of emery wheel, and working (machining) efficiency is very slow; For another example, if the surface fineness after the warp cutting processing is not enough, just must be through repeatedly cutting, not only efficient is not high but also final fineness also is very limited.
The utility model content
Technical problem to be solved in the utility model provides a kind of digitally controlled curved electric spark grinder, can solve for example grinding problem of arbitrary surface such as gear surface and cam face easily, efficient height not only, and can reach gratifying fineness, cost is very low.
For achieving the above object, the technical solution of the utility model is: a kind of digitally controlled curved electric spark grinder is characterized in that: lathe bed is provided with column, and the extension of column and bistrique constitute dismountable being rotationally connected, and bistrique is by the rotating driving device driven rotary; The upper and lower surface of planker is provided with orthogonal guide rail, guide rail below it and lathe bed formation are slidingly connected, top guide rail and workbench formation are slidingly connected, thereby the lateral driver device that is installed on the lathe bed drives the side-to-side movement of planker drive workbench, and the vertical drive unit driving workbench that is installed on the planker moves forward and backward; The pulse power is carried electric pulse by electrode wires X that links to each other with workpiece and the electrode wires Y that links to each other with bistrique, and the working solution feeding mechanism is to the workspace feed flow; Above-mentioned motion is all controlled by control system.
Further improve described rotating driving device and form as a kind of by the motor and speed reducer structure.
Further improve workpiece pressuring clamping device and the workpiece that described workbench is provided with it insulation as a kind of, workpiece compresses by hold down gag;
Be provided with collets as a kind of further the improvement between described workbench and the described hold down gag.
As a kind of further improve described lateral driver device and vertically drive unit pay by motor and feed screw nut and form.
As a kind of core component that further improves described control system constitute by computer and by instruction drive lateral driver device and vertically drive unit do the arbitrary curve motion according to the program of finishing in advance.
Also be provided with bistrique finishing piece on the described workbench as a kind of further the improvement.
Further to improve described bistrique finishing piece be conductive material as a kind of.
Further to improve described bistrique be metallic conduction material and the radius minimum profile curvature radius less than processed curved surface on the workpiece as a kind of.
Constituting dismountable rotating connector as a kind of extension that further improves described column and bistrique is spring chuck.
Be provided with two coaxial hold assemblies up and down as a kind of extension that further improves described column.
Because adopt technique scheme, a kind of digitally controlled curved electric spark grinder is characterized in that: the column that is being connected on the lathe bed, the extension of column and bistrique constitute dismountable being rotationally connected, and bistrique is by the rotating driving device driven rotary; The upper and lower surface of planker is provided with orthogonal guide rail, guide rail below it and lathe bed formation are slidingly connected, top guide rail and workbench formation are slidingly connected, thereby the lateral driver device that is installed on the lathe bed drives the side-to-side movement of planker drive workbench, indulges being installed in moving forward and backward to drive unit driving workbench on the planker; Workbench is provided with the workpiece pressuring clamping device of insulation with it, and workpiece compresses by hold down gag; Link to each other by the electrode wires X that links to each other with workpiece and with the bistrique electrode wires Y of (passing through carbon brush) of the pulse power carries electric pulse, and the working solution feeding mechanism is to the workspace feed flow; Above-mentioned motion is all controlled by control system.Can finish the electric spark grinding of arbitrary surface and can carry out automatically according to the program of finishing in advance, solve the fine finishining problem of arbitrary surface, not only process velocity is fast, and surface quality is greatly improved, and cost is very low.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Fig. 2 is the partial schematic diagram of processing mode.
The specific embodiment
As shown in Figure 1, a kind of digitally controlled curved electric spark grinder, column (2) is being connected on the lathe bed (1), the extension of column (2) and bistrique (4) constitute dismountable being rotationally connected, dismountable purpose is to change bistrique for convenience, can adopt the first-class method of clamping of Spring Card, bistrique (4) is by rotating driving device (3) driven rotary; The upper and lower surface of planker (11) is provided with orthogonal guide rail, guide rail below it and lathe bed (1) formation is slidingly connected, top guide rail and workbench (9) formation are slidingly connected, be installed in the lateral driver device (12) on the lathe bed (1) thus driving planker drives the workbench side-to-side movement, be installed in vertical drive unit (10) on the planker (11) and drive workbench (9) and move forward and backward; Workbench (9) is provided with the workpiece pressuring clamping device (6) of insulation with it, and this hold down gag has positioning function, and workpiece (7) clamps by hold down gag (6) location; Link to each other by the electrode wires X that links to each other with workpiece (7) and with bistrique (4) the electrode wires Y of (passing through carbon brush) of the pulse power carries electric pulse, and the working solution feeding mechanism is to the workspace feed flow; Above-mentioned motion is all controlled by control system; Be provided with collets (8) between described workbench (9) and the described hold down gag (6); Also be provided with bistrique finishing piece (5) on the described workbench (9), the effect of this bistrique finishing piece is when bistrique needs finishing owing to loss, with bistrique by on utilize the reversed polarity spark machined with the quick equating of bistrique, certainly, described bistrique finishing piece must be conductive material and insulate with workbench (9) and be arranged in one side of the workbench that does not hinder motion; Described rotating driving device (3) is made up of the motor and speed reducer structure, and this reducing gear can be worm and gear, gear etc., or even air motor and hydraulic motor etc.; The described lateral driver device (12) that is connected with lathe bed and pay by motor and feed screw nut with vertical drive unit (10) that planker is connected and to form; The core component of described control system is made of computer and does the arbitrary curve motion by instruction driving lateral driver device (12) and vertical drive unit (10) according to the program of finishing in advance, and its movement locus and line cutting are similar; The radius of described bistrique (4) is less than the minimum profile curvature radius of processed curved surface on the workpiece, otherwise appearance is interfered easily; Described bistrique (4) is made of conductive metallic material; The pulse power that the described pulse power and existing line cut or electric spark is used is similar, and purpose provides the high-efficiency pulse energy that spark discharge is used; Described working solution feeding mechanism is also similar with the working solution feeding mechanism that existing line cuts and electric spark is used, purpose is to provide working solution to play the effect of cooling off and taking away the galvanic corrosion thing to the workspace, being slidingly connected that described planker (11) and lathe bed (1) and workbench (9) constitute also can increase the rolling function parts between two guide rails, constitute the rolling friction form as steel ball, roller, line slideway etc.
Its course of work is: the curve form profile according to work piece weaves procedure and input control system, workpiece (7) put on the hold down gag (6) locate and compress, select the diameter and the correct dress of pressing of bistrique according to the minimum profile curvature radius of machined surface, adjust the initial position of workpiece and bistrique, the make pulse power supply, the working solution feeding mechanism begins to the processing district feed flow, and lathe is started working; Workpiece is according to the close rotation of programmed instruction bistrique, when being in appropriate discharging gap, the two begins discharge processing, when gap voltage during greater than the numerical value set in advance, control system is sent the feeding instruction, workpiece (7) and the track feeding of workbench (9) in the prior setting in the driving lower edge of lateral driver device (12) and vertical drive unit (10); When abnormal conditions such as short circuit occurring when processing, gap voltage is less than the numerical value of setting in advance, and control system is sent back-off instruction, workpiece (7) and workbench (9) rollback under the driving of lateral driver device (12) and vertical drive unit (10); Again feeding after the elimination short circuit is until finishing whole processing.If need to repair bistrique in the process, then interrupt normal process, bistrique moves to counter the copying of bistrique finishing piece (5), gets back to normal process then.
Control system described in the utility model comprises host computer and the next motor driven systems, generally is general diaxon two interlock modes, is similar to the control system of line cutting, can buy on market, so locate do not giving unnecessary details.
The described pulse power of the utility model SERVO CONTROL part, similar with common edm forming (line cutting) the lathe pulse power, it comprises that part and SERVO CONTROL part take place the pulse power, the main effect of pulse generation part provides discharge energy, the main effect of SERVO CONTROL part is the appropriate discharging gap of control, can buy on the market, so locate do not giving unnecessary details.
As further improvement of the utility model, at different processing objects, can increase processing method such as ultrasonic wave, electrochemistry and abrasive material or with above-mentioned processing method combination to increase work efficiency and surface smoothness.
No matter version and outward appearance are done how conversion, so long as mainly utilize the electric spark rotating electric-discharging, and by the digital controlled tracing motion of X, Y-axis arbitrary surface is processed, all will fall in the protection domain of the present utility model.
Claims (7)
1. digitally controlled curved electric spark grinder is characterized in that: the column (2) that is being connected on the lathe bed (1), and the extension of column (2) and bistrique (4) constitute dismountable being rotationally connected, and bistrique (4) is by rotating driving device (3) driven rotary; The upper and lower surface of planker (11) is provided with orthogonal guide rail, guide rail below it and lathe bed (1) formation is slidingly connected, top guide rail and workbench (9) formation are slidingly connected, be installed in the lateral driver device (12) on the lathe bed (1) thus driving planker drives the workbench side-to-side movement, be installed in vertical drive unit (10) on the planker (11) and drive workbench (9) and move forward and backward; Workbench (9) is provided with the workpiece pressuring clamping device (6) of insulation with it, and workpiece (7) compresses by hold down gag (6); The pulse power is carried electric pulse by electrode wires X that links to each other with workpiece (7) and the electrode wires Y that links to each other with bistrique (4), and the working solution feeding mechanism is to the workspace feed flow; Above-mentioned motion is all controlled by control system.
2. a kind of digitally controlled curved electric spark grinder according to claim 1 is characterized in that: described rotating driving device (3) is made up of the motor and speed reducer structure.
3. a kind of digitally controlled curved electric spark grinder according to claim 2 is characterized in that: described lateral driver device (12) and vertical drive unit (10) are paid by motor and feed screw nut and are formed.
4. a kind of digitally controlled curved electric spark grinder according to claim 3 is characterized in that: the core component of described control system is made of computer and does curvilinear motion by instruction driving lateral driver device (12) and vertical drive unit (10) according to the program of finishing in advance.
5. a kind of digitally controlled curved electric spark grinder according to claim 4 is characterized in that: be provided with collets (8) between described workbench (9) and the described hold down gag (6).
6. a kind of digitally controlled curved electric spark grinder according to claim 5 is characterized in that: also be provided with bistrique finishing piece (5) on the described workbench (9).
7. a kind of digitally controlled curved electric spark grinder according to claim 6 is characterized in that: described bistrique (4) is gone up the minimum profile curvature radius of processed curved surface less than workpiece (7) for metallic conduction material and radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620006228 CN2936522Y (en) | 2005-07-12 | 2006-02-20 | Numerical control electric spark curve milling machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520085313.8 | 2005-07-12 | ||
| CN200520085313 | 2005-07-12 | ||
| CN 200620006228 CN2936522Y (en) | 2005-07-12 | 2006-02-20 | Numerical control electric spark curve milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2936522Y true CN2936522Y (en) | 2007-08-22 |
Family
ID=38360542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620006228 Expired - Fee Related CN2936522Y (en) | 2005-07-12 | 2006-02-20 | Numerical control electric spark curve milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2936522Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259282A (en) * | 2010-05-28 | 2011-11-30 | 湘潭三峰数控机床有限公司 | Grinding machining center |
-
2006
- 2006-02-20 CN CN 200620006228 patent/CN2936522Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259282A (en) * | 2010-05-28 | 2011-11-30 | 湘潭三峰数控机床有限公司 | Grinding machining center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20100220 |