CN203751807U - Four-axis machine tool - Google Patents
Four-axis machine tool Download PDFInfo
- Publication number
- CN203751807U CN203751807U CN201420164828.6U CN201420164828U CN203751807U CN 203751807 U CN203751807 U CN 203751807U CN 201420164828 U CN201420164828 U CN 201420164828U CN 203751807 U CN203751807 U CN 203751807U
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- China
- Prior art keywords
- axis
- wobble heads
- main shaft
- ring
- seat
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a four-axis machine tool. A spindle is high in swing precision, and stability of a mechanism in bulk movement is ensured. The four-axis machine tool comprises a worktable, a base, a vertical column and a spindle, the worktable and the vertical column are supported on the base, the worktable is positioned in the front of the vertical column, the vertical spindle is arranged on the vertical column and supported on the front end face of the vertical column through a Z-axis guide rail, and the worktable is supported on the base through a bottom XY sliding table structure. The four-axis machine tool is characterized in that a center shaft is fastened on the rear end face of the spindle and extends into a swinging head seat, the swinging head seat is connected with a swinging head interface seat on the rear end face in a fastened manner, four linear sliders are arranged on the rear end face of the swinging head interface seat and supported on the corresponding Z-axis guide rail of the spindle, a worm gear sleeves a portion of the center shaft positioned inside the swinging head seat, the swinging head seat is connected with a servo motor in a fastened manner, and an output end of the servo motor is connected with a worm.
Description
Technical field
The utility model relates to the technical field of machining equipment, is specially a kind of four axle lathes.
Background technology
Existing four axle lathes, the swinging structure of its main shaft, by ball screw and crank, realize, " a kind of vertical type numerically controlled machine spindle swing device " in the patent No. 201320027899.7, January 21 2013 applying date, August 7 2013 Granted publication day discloses this structure, owing to adopting ball screw and crank structure, the segmentation precision of its swing is not high, cause this structure only can the not high product of requirement on machining accuracy, and this structure adopts unsettled mode of an activity, the stability in the time of can not guaranteeing the mass motion of its mechanism is completely with accuracy.
Utility model content
For the problems referred to above, the utility model provides a kind of four axle lathes, and it makes the precision of spindle swing high, and stability during assurance mechanism mass motion.
A kind of four axle lathes, its technical scheme is such: it comprises workbench, base, column, main shaft, described stage support is in described base, described column is supported on described base, described workbench is positioned at the front portion of described column, on described column, be furnished with vertical main shaft, described main shaft passes through Z axis guide rail support in the front end face of described column, described workbench passes through the XY slide unit structure support of bottom in described base, it is characterized in that: the rear end face of described main shaft is fastened with central shaft, described central shaft stretches in wobble heads pedestal, described wobble heads pedestal is fastenedly connected the wobble heads interface seat of rear end face, the rear end face of described wobble heads interface seat is furnished with four linear slider, described linear slider is supported on the Z axis guide rail of corresponding described main shaft, the interior section that described central shaft is positioned at described wobble heads pedestal is set with worm gear, described wobble heads pedestal is fastenedly connected servomotor, the output of described servomotor is connected with worm screw, stretching in described wobble heads pedestal of described worm screw, described worm screw, the corresponding teeth groove of worm gear is connected with a joggle, the outer toroid surface cover of described central shaft is equipped with ring-shaped bearing seat, described ring-shaped bearing seat is positioned at described main shaft, between wobble heads pedestal, described ring-shaped bearing seat and described central shaft are fastenedly connected, the outer ring surface of the close described wobble heads pedestal of described ring-shaped bearing seat is set with circle oil-pressure brake, described circle oil-pressure brake is circumscribed with hydraulic jack.
It is further characterized in that:
The rotational angle around central shaft of described main shaft is-120 °～120 °;
Described worm gear, worm screw are specially high-precision double pitch worm worm gear;
The outer ring surface of the close described main shaft of described ring-shaped bearing seat is set with angle indicating ring, and the angle indication of described angle indicating ring exposes;
The support of described servomotor is anchored on the upper surface of described wobble heads pedestal, and described worm screw is vertically to layout;
Described wobble heads pedestal inside is provided with bearing block, and the afterbody of described central shaft is supported in the bearing in described bearing block;
Guide bracket in the middle of described XY slide unit structure specifically comprises, the lower surface of described workbench press-fits in the X axis line slideway of described middle guide rail seat upper surface by the line slideway groove of X axis, X axis screw mandrel is positioned the upper surface of described middle guide bracket, on described X axis screw mandrel, be set with X axis nut, described X axis fastening nuts connects the lower surface of described workbench; In the middle of described, the lower surface of guide bracket press-fits in the Y-axis line slideway of described base upper surface by the line slideway groove of Y-axis, Y-axis screw mandrel is positioned the upper surface of described base, on described Y-axis screw mandrel, be set with Y-axis nut, described Y-axis fastening nuts connects the lower surface of described middle guide rail seat.
Adopt after structure of the present utility model, driven by servomotor worm screw is rotated, drive worm gear rotates, and then drive central shaft drive shaft to rotate, owing to adopting the transmission of worm gear, worm screw, its transmission accuracy is high, and whole transmission is all positioned at wobble heads pedestal, stability during its assurance mechanism mass motion; In addition, because the outer toroid surface cover of central shaft is equipped with ring-shaped bearing seat, ring-shaped bearing seat is positioned between main shaft, wobble heads pedestal, ring-shaped bearing seat and central shaft are fastenedly connected, the outer ring surface of the close wobble heads pedestal of ring-shaped bearing seat is set with circle oil-pressure brake, circle oil-pressure brake is circumscribed with hydraulic jack, and it is sensitiveer, accurate that it controls brake, further guaranteed precision, stability.
Accompanying drawing explanation
Fig. 1 is front view structural representation of the present utility model;
Fig. 2 is the side view structural representation of Fig. 1;
Fig. 3 is the mounting structure explosive view of main shaft of the present utility model, wobble heads pedestal, wobble heads interface seat;
Fig. 4 is the combining structure cutaway view of main shaft of the present utility model, wobble heads pedestal.
The specific embodiment
A kind of four axle lathes, see Fig. 1-Fig. 4: it comprises workbench 1, base 2, column 3, main shaft 4, workbench 1 is supported on base 2, column 3 is supported on base 2, workbench 1 is positioned at the front portion of column 3, on column 3, be furnished with vertical main shaft 4, main shaft 4 is supported on the front end face of column 3 by Z axis guide rail 5, the XY slide unit structure support that workbench 1 passes through bottom is in base 2, the rear end face of main shaft 4 is fastened with central shaft 6, central shaft 6 stretches in wobble heads pedestal 7, wobble heads pedestal 7 is fastenedly connected the wobble heads interface seat 8 of rear end face, the rear end face of wobble heads interface seat 8 is furnished with four linear slider 9, linear slider 9 is supported on the Z axis guide rail 5 of corresponding main shaft 4, the interior section that central shaft 6 is positioned at wobble heads pedestal 7 is set with worm gear 10, wobble heads pedestal 7 is fastenedly connected servomotor 11, the output of servomotor 11 is connected with worm screw 12, stretching in wobble heads pedestal 7 of worm screw 12, worm screw 12, the corresponding teeth groove of worm gear 10 is connected with a joggle, the outer toroid surface cover of central shaft 6 is equipped with ring-shaped bearing seat 13, ring-shaped bearing seat 13 is positioned at main shaft 4, between wobble heads pedestal 7, ring-shaped bearing seat 13 and central shaft 6 are fastenedly connected, the outer ring surface of the close wobble heads pedestal 7 of ring-shaped bearing seat 13 is set with circle oil-pressure brake 14, circle oil-pressure brake 14 is circumscribed with hydraulic jack 15.
The rotational angle around central shaft 6 of main shaft 4 is-120 °～120 °; Worm gear 10, worm screw 12 are specially high-precision double pitch worm worm gear; The outer ring surface of the close main shaft 4 of ring-shaped bearing seat 13 is set with angle indicating ring 16, and the angle indication of angle indicating ring 16 exposes, and it makes the rotational angle of main shaft visible, and accurately controls; The support 17 of servomotor 11 is anchored on the upper surface of wobble heads pedestal 7, and worm screw 12 is vertically to layout; Wobble heads pedestal 7 inside are provided with bearing block 18, and the afterbody of central shaft 6 is supported in the bearing in bearing block 18.
Guide bracket 19 in the middle of XY slide unit structure specifically comprises, the lower surface of workbench 1 press-fits in the X axis line slideway 21 of middle guide rail seat 19 upper surfaces by the line slideway groove 20 of X axis, the upper surface of guide bracket 19 in the middle of X axis screw mandrel 22 is positioned, on X axis screw mandrel 22, be set with X axis nut 23, X axis nut 23 is fastenedly connected the lower surface of workbench 1; The lower surface of middle guide bracket 19 press-fits in the Y-axis line slideway 25 of base 2 upper surfaces by the line slideway groove 24 of Y-axis, Y-axis screw mandrel 26 is positioned the upper surface of base 2, on Y-axis screw mandrel 26, be set with Y-axis nut 27, Y-axis nut 27 is fastenedly connected the lower surface of middle guide rail seat 19.
Its operation principle is as follows: main shaft is at Z-direction knee-action, workbench planar movement in X-axis, Y direction, driven by servomotor worm screw is rotated, drive worm gear rotates, and then drive central shaft drive shaft to rotate, it is owing to adopting the transmission of worm gear, worm screw, and employing double pitch worm worm gear, and its transmission accuracy is high, whole transmission is all positioned at wobble heads pedestal, stability during its assurance mechanism mass motion; In addition, because the outer toroid surface cover of central shaft is equipped with ring-shaped bearing seat, ring-shaped bearing seat is positioned between main shaft, wobble heads pedestal, ring-shaped bearing seat and central shaft are fastenedly connected, the outer ring surface of the close wobble heads pedestal of ring-shaped bearing seat is set with circle oil-pressure brake, circle oil-pressure brake is circumscribed with hydraulic jack, and it is sensitiveer, accurate that it controls brake, further guaranteed precision, stability.
Claims (7)
1. an axle lathe, it comprises workbench, base, column, main shaft, described stage support is in described base, described column is supported on described base, described workbench is positioned at the front portion of described column, on described column, be furnished with vertical main shaft, described main shaft passes through Z axis guide rail support in the front end face of described column, described workbench passes through the XY slide unit structure support of bottom in described base, it is characterized in that: the rear end face of described main shaft is fastened with central shaft, described central shaft stretches in wobble heads pedestal, described wobble heads pedestal is fastenedly connected the wobble heads interface seat of rear end face, the rear end face of described wobble heads interface seat is furnished with four linear slider, described linear slider is supported on the Z axis guide rail of corresponding described main shaft, the interior section that described central shaft is positioned at described wobble heads pedestal is set with worm gear, described wobble heads pedestal is fastenedly connected servomotor, the output of described servomotor is connected with worm screw, stretching in described wobble heads pedestal of described worm screw, described worm screw, the corresponding teeth groove of worm gear is connected with a joggle, the outer toroid surface cover of described central shaft is equipped with ring-shaped bearing seat, described ring-shaped bearing seat is positioned at described main shaft, between wobble heads pedestal, described ring-shaped bearing seat and described central shaft are fastenedly connected, the outer ring surface of the close described wobble heads pedestal of described ring-shaped bearing seat is set with circle oil-pressure brake, described circle oil-pressure brake is circumscribed with hydraulic jack.
2. a kind of four axle lathes as claimed in claim 1, is characterized in that: the rotational angle around central shaft of described main shaft is-120 °～120 °.
3. a kind of four axle lathes as claimed in claim 1, is characterized in that: described worm gear, worm screw are specially high-precision double pitch worm worm gear.
4. a kind of four axle lathes as claimed in claim 1, is characterized in that: the outer ring surface of the close described main shaft of described ring-shaped bearing seat is set with angle indicating ring, and the angle indication of described angle indicating ring exposes.
5. a kind of four axle lathes as claimed in claim 1, is characterized in that: the support of described servomotor is anchored on the upper surface of described wobble heads pedestal, and described worm screw is vertically to layout.
6. a kind of four axle lathes as claimed in claim 1, is characterized in that: described wobble heads pedestal inside is provided with bearing block, and the afterbody of described central shaft is supported in the bearing in described bearing block.
7. a kind of four axle lathes as claimed in claim 1, it is characterized in that: guide bracket in the middle of described XY slide unit structure specifically comprises, the lower surface of described workbench press-fits in the X axis line slideway of described middle guide rail seat upper surface by the line slideway groove of X axis, X axis screw mandrel is positioned the upper surface of described middle guide bracket, on described X axis screw mandrel, be set with X axis nut, described X axis fastening nuts connects the lower surface of described workbench; In the middle of described, the lower surface of guide bracket press-fits in the Y-axis line slideway of described base upper surface by the line slideway groove of Y-axis, Y-axis screw mandrel is positioned the upper surface of described base, on described Y-axis screw mandrel, be set with Y-axis nut, described Y-axis fastening nuts connects the lower surface of described middle guide rail seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164828.6U CN203751807U (en) | 2014-04-04 | 2014-04-04 | Four-axis machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164828.6U CN203751807U (en) | 2014-04-04 | 2014-04-04 | Four-axis machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203751807U true CN203751807U (en) | 2014-08-06 |
Family
ID=51247118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164828.6U Expired - Fee Related CN203751807U (en) | 2014-04-04 | 2014-04-04 | Four-axis machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203751807U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962872A (en) * | 2014-04-04 | 2014-08-06 | 群基精密工业(苏州)有限公司 | Four-axis machine tool |
| CN103962872B (en) * | 2014-04-04 | 2016-11-30 | 群基精密工业(苏州)有限公司 | A kind of four axle lathes |
| CN112091621A (en) * | 2020-07-29 | 2020-12-18 | 天津林凯数控机床有限公司 | Vertical grinding and turning combined machine tool |
-
2014
- 2014-04-04 CN CN201420164828.6U patent/CN203751807U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962872A (en) * | 2014-04-04 | 2014-08-06 | 群基精密工业(苏州)有限公司 | Four-axis machine tool |
| CN103962872B (en) * | 2014-04-04 | 2016-11-30 | 群基精密工业(苏州)有限公司 | A kind of four axle lathes |
| CN112091621A (en) * | 2020-07-29 | 2020-12-18 | 天津林凯数控机床有限公司 | Vertical grinding and turning combined machine tool |
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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: 20140806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |