CN203956270U - New CNC line cutting mill - Google Patents
New CNC line cutting mill Download PDFInfo
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- CN203956270U CN203956270U CN201420428983.4U CN201420428983U CN203956270U CN 203956270 U CN203956270 U CN 203956270U CN 201420428983 U CN201420428983 U CN 201420428983U CN 203956270 U CN203956270 U CN 203956270U
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- worm screw
- plate
- teeth
- line cutting
- gearshift
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Abstract
The utility model relates to the new CNC line cutting mill of a kind of effective raising transverse plate and longitudinal plate coordinate precision.Comprise machine body, workbench, wire feeder, high frequency pulse power supply, liquid-supplying system and wire electrode; Workbench comprises transverse plate, longitudinal plate and gearshift, and transverse plate is arranged on the end face of machine body by gearshift, and longitudinally plate is arranged on the end face of transverse plate by gearshift; Gearshift comprises base plate and top board, and the end parts parallel of top board is fixed with threaded rod, is vertically installed with intermediate rotary shaft and by bearing, is provided with worm gear on base plate in intermediate rotary shaft, and worm gear is meshed with the flank of threaded rod; On base plate, be also provided with motor box, motor box comprises reducing motor, worm screw and worm screw regulating sleeve, worm screw one end is arranged on the output of reducing motor, on worm screw, be provided with teeth spiral helicine and that be meshed with worm gear, the transverse tooth thickness of teeth is become greatly by one end to the other end gradually along axis direction, and the other end of worm screw moves axially relatively in worm screw regulating sleeve.
Description
Technical field
The present invention relates to a kind of Digit Control Machine Tool, relate in particular to a kind of new CNC line cutting mill.
Background technology
CNC line cutting mill, be called again NC wirecut EDM machine, its process is to utilize a metal wire moving (molybdenum filament, tungsten filament or copper wire etc.) to make working electrode, pass to pulse current between wire and workpiece, makes it to produce pulsed discharge and carries out cutting processing, in process, wire electrode is through pre-drilled aperture on workpiece, through guide wheel, by wire feeder, drive and carry out axial wire campaign, workpiece is arranged on workbench by insulation board, by numerical control device, by processing program order, controlled along X, two coordinate directions of Y move and synthetic required straight line, the planar obit simulations such as circular arc, in mobile, between line electrode and workpiece, constantly produce electric discharge corrosion phenomenon, working solution injects by nozzle, galvanic corrosion product is taken away, finally on metal works, leave the finedraw trajectory that filament cutting forms, thereby reach the processing request that makes a part of metal and another part metal separation, the CNC line cutting mill of prior art, its workbench comprises transverse plate and longitudinal plate, transverse plate and longitudinally plate superpose mutually by roll shaft, and by draw-gear, realize the movement of X, two coordinate directions of Y, yet this mode not only its coordinate precision is limited, the translational speed of transverse plate and the longitudinally utmost point is also non-adjustable, in isochrone cutting process, because draw-gear does not have spacing effect, easily cause workbench to rock and then affect the machining accuracy of workpiece.
Because above-mentioned defect, the design people, actively research and innovation in addition, to founding a kind of CNC line cutting mill of new structure, makes it have more the value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of effective raising transverse plate and longitudinal plate coordinate precision and the adjustable new CNC line cutting mill of translational speed.
New CNC line cutting mill of the present invention, comprise machine body, workbench, wire feeder, high frequency pulse power supply, liquid-supplying system and wire electrode, described workbench and wire feeder are arranged on machine body, on described wire feeder, be wound with wire electrode, and described wire electrode is electrically connected to described high frequency pulse power supply, on described wire feeder, be provided with the nozzle being connected with liquid-supplying system; Described workbench comprises transverse plate, longitudinal plate and gearshift, and described transverse plate is arranged on the end face of described machine body by gearshift, and described longitudinal plate is arranged on the end face of described transverse plate by gearshift; Described gearshift comprises base plate and top board, the end face of described base plate is relatively set with a pair of guide groove plate, the bottom surface of described top board is provided with the guide post that is installed on described guiding board slot inner side and relative sliding, the end parts parallel of described top board is fixed with threaded rod, on described base plate, be vertically installed with intermediate rotary shaft and by bearing, be provided with worm gear in intermediate rotary shaft, described worm gear is meshed with the flank of described threaded rod; On described base plate, be also provided with motor box, described motor box comprises reducing motor, worm screw and worm screw regulating sleeve, described worm screw one end is arranged on the output of described reducing motor, on described worm screw, be provided with teeth spiral helicine and that be meshed with worm gear, the transverse tooth thickness of described teeth is become greatly by one end to the other end gradually along axis direction, and the other end of described worm screw moves axially relatively in described worm screw regulating sleeve.
Further, a side that is positioned at described worm screw regulating sleeve in described motor box is provided with hydraulic cylinder, the output of described hydraulic cylinder is connected by bearing with the end of described worm screw, and described hydraulic cylinder is for controlling described worm screw relatively moving vertically in described worm screw regulating sleeve.
Concrete, the end of described worm screw is connected with described reducing motor by telescopic, and the outside of described telescopic is symmetrically fixed with guide pad, and the outside of described worm screw is symmetrically arranged with pilot hole, described guide pad relative sliding in pilot hole.
Further, be provided with circular cone roller bearing in described worm screw regulating sleeve, described worm screw relatively rotates in described circular cone roller bearing.
Further, the difference of the transverse tooth thickness between described adjacent teeth is greater than 0.04mm and is less than 0.08mm, the lead angle of described teeth is greater than 4 ° and be less than 6 °, the profile angle of described teeth is greater than 13 ° and be less than 15 °, the addendum coefficient of described teeth is greater than 1.2 and be less than 1.4, the tip clearance coefficient of described teeth is greater than 0.25 and be less than 0.3, and the transverse tooth thickness variation coefficient of described teeth is greater than 0.02 and be less than 0.04.
Further, described intermediate rotary shaft and motor box are all fixed on slide, and described slide is relative sliding on described base plate, and a side of described slide is connected with preloading spring, on described preloading spring, is provided with pre-load nut.
Further, the top of described guide groove plate bends to the inside, the outside of described guide post is arranged at intervals with two row's slide bars, on described slide bar, cover has the pulley yoke of relative sliding, between described pulley yoke and described guide post, be provided with back-moving spring, on described pulley yoke, be provided with pulley, described pulley is at the medial surface relative sliding of described guide groove plate.
Further, the top that the bottom surface of described top board is positioned at described guide groove plate is provided with the first oil groove, and the bottom of described guide post is provided with the second oil groove.
By such scheme, the present invention at least has the following advantages: effectively improve transverse plate and longitudinal plate coordinate precision, and translational speed is adjustable.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of gearshift in the present invention;
Fig. 3 is the structural representation of worm gear and worm screw in the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Referring to shown in Fig. 1 to Fig. 3, a kind of new CNC line cutting mill, comprise machine body 1, workbench 2, wire feeder 3, high frequency pulse power supply 4, liquid-supplying system 5 and wire electrode 6, workbench 1 and wire feeder 3 are arranged on machine body 1, on wire feeder 3, be wound with wire electrode 6, and wire electrode 6 is electrically connected to 4 with high frequency pulse power supply, on wire feeder 3, be provided with the nozzle 7 being connected with liquid-supplying system; Workbench comprises transverse plate 8, longitudinal plate 9 and gearshift 10, and transverse plate 8 is arranged on the end face of machine body 1 by gearshift 10, and longitudinally plate 9 is arranged on the end face of transverse plate 8 by gearshift 10; Gearshift 10 comprises base plate 11 and top board 12, the end face of base plate 11 is relatively set with a pair of guide groove plate 111, the bottom surface of top board 12 is provided with the guide post 121 that is installed on guiding board slot 111 inner sides and relative sliding, the end parts parallel of top board 12 is fixed with threaded rod 13, on base plate 11, be vertically installed with intermediate rotary shaft 14 and by bearing, be provided with worm gear 15 in intermediate rotary shaft 14, worm gear 15 is meshed with the flank of threaded rod 13; On base plate 11, be also provided with motor box, motor box comprises reducing motor 16, worm screw 17 and worm screw regulating sleeve 19, worm screw 17 one end are arranged on the output of reducing motor 16, on worm screw 17, be provided with teeth 18 spiral helicine and that be meshed with worm gear 15, the transverse tooth thickness of teeth 18 is become greatly by one end to the other end gradually along axis direction, and the other end of worm screw 17 moves axially relatively in worm screw regulating sleeve 19.
Operation principle of the present invention is as follows: gearshift is as syndeton, be arranged between workbench, transverse plate and longitudinal plate, on the concrete top board that transverse plate can be arranged on to one of them gearshift and its base plate is fixed on workbench, the top board of another gearshift and base plate are separately fixed on longitudinal plate and transverse plate, transverse plate and the longitudinally displacement of plate, be that movement by gearshift is achieved, when gearshift breaks down, dismounting gearshift is changed; During specific works, reducing motor drives worm screw to rotate, and the teeth of worm screw and turbine are intermeshing, and then drive turbine rotation, then turbine drives the elastic motion of threaded rod, thereby realizes relatively moving of top board, wherein, the effect of turbine is speed governing and realizes differential to connect, and owing to adopting the regulative mode of worm screw and turbine, the degree of regulation of displacement is higher; Due to the teeth uneven thickness one on worm screw, by adjusting the position of worm screw, and then the teeth thickness that is meshed with turbine of adjustment, and then the translational speed of adjustment accuracy and top board.
New CNC line cutting mill of the present invention, a side that is positioned at worm screw regulating sleeve 19 in motor box is provided with hydraulic cylinder (not shown), the output of hydraulic cylinder is connected by bearing with the end of worm screw 17, and hydraulic cylinder is for controlling worm screw 17 relatively moving vertically in worm screw regulating sleeve 19; Because worm screw exists relative displacement, thereby worm screw can and reducing motor between keep the fixing of relative position, also can realize by the mode of clutch or telescopic, for example, the end of worm screw 17 is connected with reducing motor by telescopic 20, the outside of telescopic 20 is symmetrically fixed with guide pad 21, and the outside of worm screw 17 is symmetrically arranged with pilot hole, guide pad 21 relative sliding in pilot hole.
In order to guarantee freely rotating of worm screw, new CNC line cutting mill of the present invention, is provided with circular cone roller bearing 22 in worm screw regulating sleeve 19, and worm screw 17 relatively rotates in circular cone roller bearing 22.
New CNC line cutting mill of the present invention, the difference of the transverse tooth thickness that adjacent teeth are 18 is greater than 0.04mm and is less than 0.08mm, the lead angle of teeth is greater than 4 ° and be less than 6 °, the profile angle of teeth is greater than 13 ° and be less than 15 °, the addendum coefficient of teeth is greater than 1.2 and be less than 1.4, the tip clearance coefficient of teeth is greater than 0.25 and be less than 0.3, and the transverse tooth thickness variation coefficient of teeth is greater than 0.02 and be less than 0.04.
In order to guarantee the engagement of turbine and threaded rod, simultaneously also in order to facilitate the dismounting of device, new CNC line cutting mill of the present invention, intermediate rotary shaft 14 and motor box are all fixed on slide, slide is relative sliding on base plate, one side of slide is connected with preloading spring, is provided with pre-load nut 23 on preloading spring.
New CNC line cutting mill of the present invention, the top of guide groove plate 111 bends to the inside, the outside of guide post 121 is arranged at intervals with two row's slide bars 122, on slide bar 122, cover has the pulley yoke 123 of relative sliding, between pulley yoke 123 and guide post 121, be provided with back-moving spring 124, on pulley yoke 123, be provided with pulley 125, pulley 125 is at the medial surface relative sliding of guide groove plate 111; Depress on top at two side rollers, between top board and base plate, in sliding process, does not overlap and occur rocking; In order further to improve the stability of sliding process, the top that the bottom surface of top board 12 is positioned at guide groove plate is provided with the first oil groove 24, and the bottom of guide post 121 is provided with the second oil groove 25.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. a new CNC line cutting mill, it is characterized in that: comprise machine body, workbench, wire feeder, high frequency pulse power supply, liquid-supplying system and wire electrode, described workbench and wire feeder are arranged on machine body, on described wire feeder, be wound with wire electrode, and described wire electrode is electrically connected to described high frequency pulse power supply, on described wire feeder, be provided with the nozzle being connected with liquid-supplying system; Described workbench comprises transverse plate, longitudinal plate and gearshift, and described transverse plate is arranged on the end face of described machine body by gearshift, and described longitudinal plate is arranged on the end face of described transverse plate by gearshift; Described gearshift comprises base plate and top board, the end face of described base plate is relatively set with a pair of guide groove plate, the bottom surface of described top board is provided with the guide post that is installed on described guiding board slot inner side and relative sliding, the end parts parallel of described top board is fixed with threaded rod, on described base plate, be vertically installed with intermediate rotary shaft and by bearing, be provided with worm gear in intermediate rotary shaft, described worm gear is meshed with the flank of described threaded rod; On described base plate, be also provided with motor box, described motor box comprises reducing motor, worm screw and worm screw regulating sleeve, described worm screw one end is arranged on the output of described reducing motor, on described worm screw, be provided with teeth spiral helicine and that be meshed with worm gear, the transverse tooth thickness of described teeth is become greatly by one end to the other end gradually along axis direction, and the other end of described worm screw moves axially relatively in described worm screw regulating sleeve.
2. new CNC line cutting mill according to claim 1, it is characterized in that: a side that is positioned at described worm screw regulating sleeve in described motor box is provided with hydraulic cylinder, the output of described hydraulic cylinder is connected by bearing with the end of described worm screw, and described hydraulic cylinder is for controlling described worm screw relatively moving vertically in described worm screw regulating sleeve.
3. new CNC line cutting mill according to claim 2, it is characterized in that: the end of described worm screw is connected with described reducing motor by telescopic, the outside of described telescopic is symmetrically fixed with guide pad, the outside of described worm screw is symmetrically arranged with pilot hole, described guide pad relative sliding in pilot hole.
4. new CNC line cutting mill according to claim 1, is characterized in that: in described worm screw regulating sleeve, be provided with circular cone roller bearing, described worm screw relatively rotates in described circular cone roller bearing.
5. new CNC line cutting mill according to claim 1, it is characterized in that: the difference of the transverse tooth thickness between adjacent described teeth is greater than 0.04mm and is less than 0.08mm, the lead angle of described teeth is greater than 4 ° and be less than 6 °, the profile angle of described teeth is greater than 13 ° and be less than 15 °, the addendum coefficient of described teeth is greater than 1.2 and be less than 1.4, the tip clearance coefficient of described teeth is greater than 0.25 and be less than 0.3, and the transverse tooth thickness variation coefficient of described teeth is greater than 0.02 and be less than 0.04.
6. new CNC line cutting mill according to claim 1, it is characterized in that: described intermediate rotary shaft and motor box are all fixed on slide, described slide is relative sliding on described base plate, and a side of described slide is connected with preloading spring, on described preloading spring, is provided with pre-load nut.
7. new CNC line cutting mill according to claim 1, it is characterized in that: the top of described guide groove plate bends to the inside, the outside of described guide post is arranged at intervals with two row's slide bars, on described slide bar, cover has the pulley yoke of relative sliding, between described pulley yoke and described guide post, be provided with back-moving spring, on described pulley yoke, be provided with pulley, described pulley is at the medial surface relative sliding of described guide groove plate.
8. new CNC line cutting mill according to claim 7, is characterized in that: the top that the bottom surface of described top board is positioned at described guide groove plate is provided with the first oil groove, and the bottom of described guide post is provided with the second oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428983.4U CN203956270U (en) | 2014-07-31 | 2014-07-31 | New CNC line cutting mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428983.4U CN203956270U (en) | 2014-07-31 | 2014-07-31 | New CNC line cutting mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956270U true CN203956270U (en) | 2014-11-26 |
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ID=51916908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428983.4U Expired - Fee Related CN203956270U (en) | 2014-07-31 | 2014-07-31 | New CNC line cutting mill |
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| Country | Link |
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| CN (1) | CN203956270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191055A (en) * | 2014-07-31 | 2014-12-10 | 太仓市顺昌锻造有限公司 | Novel CNC wire cutting machine |
-
2014
- 2014-07-31 CN CN201420428983.4U patent/CN203956270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191055A (en) * | 2014-07-31 | 2014-12-10 | 太仓市顺昌锻造有限公司 | Novel CNC wire cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150731 |
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| EXPY | Termination of patent right or utility model |