阅读说明：本技术 一种自由曲面铣削加工车床 (Free-form surface milling lathe ) 是由 宛婷 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种自由曲面铣削加工车床,包括曲面机构,所述曲面机构包括在车床卡盘相互远离一侧的摆动曲面板与小曲面板,所述摆动曲面板与所述小曲面板内设有开口相对的弧形腔与曲面腔,本发明通过车床卡盘两侧的安装机构进行铣削设备的安装,其次通过进给机构将曲面机构进给至靠近车床卡盘,同时利用曲面机构中的铣削机构对车床卡盘中的工件进行自由曲面的铣削加工,大大提高了车床单一匮乏只能进行车削加工的片面性,并且给中小型企业提供优化数控车床的最大化使用率,从而提高了数控车床整体的机动性与数控车床将车削与铣削进行结合的性能,确保了不同工件在数控车床上进行车削铣削。(The invention discloses a free-form surface milling lathe, which comprises a curved surface mechanism, wherein the curved surface mechanism comprises a swinging curved surface plate and a small curved surface plate which are arranged on one side of a lathe chuck, which is far away from each other, the swinging curved plate and the small curved plate are internally provided with an arc-shaped cavity and a curved cavity with opposite openings, the milling device is installed by the installation mechanisms at the two sides of the lathe chuck, secondly, the curved surface mechanism is fed to be close to a lathe chuck through the feeding mechanism, and the milling mechanism in the curved surface mechanism is utilized to mill the free curved surface of the workpiece in the lathe chuck, so that the one-sidedness that the lathe is single and deficient and can only carry out turning is greatly improved, the maximized utilization rate of the optimized numerically controlled lathe is provided for small and medium-sized enterprises, therefore, the whole maneuverability of the numerical control lathe and the performance of the numerical control lathe for combining turning and milling are improved, and different workpieces are turned and milled on the numerical control lathe.)

1. The utility model provides a free-form surface milling process lathe, includes curved surface mechanism, its characterized in that: the curved surface mechanism comprises a swing curved surface plate (31) and a small curved surface plate (18) which are far away from one side of a lathe chuck, the swing curved surface plate (31) and the small curved surface plate (18) are internally provided with an arc-shaped cavity (30) and a curved surface cavity (23) with opposite openings, the arc-shaped cavity (30) and the inner wall of the curved surface cavity (23) are connected with a milling mechanism in a sliding manner, the milling mechanism comprises a moving gear (37) which is connected to the arc-shaped cavity (30) and the inner wall of the curved surface cavity (23) in a meshing manner, one end of the moving gear (37) close to each other is rotatably connected with a supporting plate (38), the upper side and the lower side of the supporting plate (38) are supported on the arc-shaped cavity (30) and the inner wall of the curved surface cavity (23) in a sliding manner, one end of the supporting plate (38) close to each other is fixedly connected with a power source group (39), one end of the moving gear (37) far away from each other is connected with one end of the power source group (39), and one end of the power source group (39), which is close to the lathe chuck, is in power connection with a milling cutter (40).

2. The free-form milling lathe of claim 1, wherein: the curved surface mechanism keeps away from one side each other and is equipped with installation mechanism, installation mechanism includes mount (11) and removal frame (22) in lathe chuck both sides, keep away from one end sliding connection each other from top to bottom in little curved surface board (18) in remove the frame (22) downside, mount (11) with remove frame (22) sliding connection on the lathe guide rail.

3. The free-form milling lathe of claim 2, wherein: the fixed frame (11) is close to one end of the movable frame (22) and is hinged with two supporting rods (17), one end of each supporting rod (17) which is close to the upper portion and the lower portion is fixedly connected with an arc-shaped block (24), one end of each arc-shaped block (24) which is close to the upper portion and the lower portion is connected to the outer peripheral surface of the lathe chuck in a contact mode, and one end of the movable frame (22) which is close to the fixed frame (11) is hinged into one end face of each supporting rod (17).

4. The free-form milling lathe of claim 2, wherein: the automatic lathe is characterized in that a feeding mechanism is arranged in the fixed frame (11) and the movable frame (22), the feeding mechanism in the fixed frame (11) comprises a motor (14) and a cylinder (28), the fixed frame (11) is close to one end of a lathe chuck, the motor (14) is close to one end of the movable frame (22) and is in power connection with a threaded shaft (15), and the cylinder (28) is close to one end of the movable frame (22) and is in pneumatic connection with a telescopic air rod (27).

5. The free-form milling lathe of claim 4 wherein: remove feed mechanism in frame (22) including the embedding link firmly in remove frame (22) and be close to air pump (21) in mount (11) one end, air pump (21) are close to mount (11) one end pneumatic connection has flexible gas post (20), flexible gas post (20) one end link firmly in little curved plate (18) are close to remove frame (22) one end.

6. The free-form milling lathe of claim 4 wherein: the motor (14) with cylinder (28) are close to mount (11) one end is rotated and is connected with embedding pulley (29), embedding pulley (29) outer peripheral face sliding connection in mount (11) are close to swing curved plate (31) one end face, threaded connection has screw thread piece (16) on the screw thread axle (15) outer peripheral face.

7. The free-form milling lathe of claim 1, wherein: swing curved plate (31) upper end articulate in screw block (16) lower extreme, swing curved plate (31) lower extreme articulate in flexible gas pole (27) are close to bracing piece (17) one end, be equipped with ascending sliding tray (26) of opening in mount (11) downside terminal surface, sliding connection has driving motor (32) on sliding tray (26) inner wall.

8. The free-form milling lathe of claim 1, wherein: swing curved plate (31) lower extreme with flexible gas pole (27) articulated department one end has linked firmly extension screw shaft (33), extension screw shaft (33) power connect in driving motor (32) one end, extension screw shaft (33) outer peripheral face is gone up and is linked firmly driving sprocket (34).

9. A free-form milling lathe as set forth in claim 3 wherein: bracing piece (17) downside with removal frame (22) articulated department one end has linked firmly driven threaded shaft (35), driven threaded shaft (35) outer peripheral face is gone up and is linked firmly driven sprocket (36).

10. The free-form milling lathe of claim 8, wherein: the driving chain wheel (34) and the driven chain wheel (36) are connected with a linkage chain (25) therebetween, and the fixing frame (11) is close to one end of the swing curved plate (31) and a fixing spring (12) is fixedly connected between the swing curved plate (31).

Technical Field

The invention relates to the technical field of numerically controlled lathes, in particular to a free-form surface milling lathe.

Background

Generally, in small and medium-sized enterprises, the problem of production cost can occur that the same numerical control lathe can only be used for turning, but the small and medium-sized enterprises cannot invest more cost on purchasing the multiple aspects of the numerical control machine, and the turning of the numerical control lathe which is single and deficient not only reflects low utilization rate and single and deficient performance of the numerical control lathe, but also cannot develop the maximum use performance of the numerical control lathe, so that the manufacturing efficiency of the small and medium-sized enterprises in mechanical production and processing is reduced.

Disclosure of Invention

The invention aims to provide a free-form surface milling lathe, which solves the problems of single and deficient performance of a numerical control lathe and poor maneuverability of the numerical control lathe.

The invention relates to a free-form surface milling lathe which is realized by the following technical scheme.

The invention relates to a free-form surface milling lathe, which comprises a curved surface mechanism, wherein the curved surface mechanism comprises a swinging curved surface plate and a small curved surface plate which are arranged on one side of a lathe chuck, the swinging curved surface plate and the small curved surface plate are provided with an arc-shaped cavity and a curved surface cavity with opposite openings, the inner walls of the arc-shaped cavity and the curved surface cavity are connected with a milling mechanism in a sliding way, the milling mechanism comprises a moving gear which is meshed and connected with the inner walls of the arc-shaped cavity and the curved surface cavity, the free-form surface movement of the milling mechanism on the inner walls of the curved surface cavity and the arc-shaped cavity is realized through the rotation, one end, close to each other, of the moving gear is rotatably connected with a supporting plate, the upper side and the lower side of the supporting plate are slidably supported on the inner walls of the arc-shaped cavity and the curved surface cavity, one end, close to each other, of the supporting plate is fixedly connected with a power source group, one end, far from each other, of the moving gear is connected with one end, far from each power source group, far from each other, of the power source group, of the moving gear is connected with one end, of the power source group, of the supporting plate, the curved surface of the supporting plate is connected with the curved surface of the supporting plate, and the curved surface of the, and one end of the power source group, which is close to the lathe chuck, is in power connection with a milling cutter, and the milling of the workpiece in the lathe chuck is realized through the rotation of the milling cutter.

Preferably, the curved surface mechanism is provided with an installation mechanism at one side away from each other, the installation mechanism comprises a fixed frame and a movable frame at two sides of a lathe chuck, one end of the small curved surface plate away from each other from the top to the bottom is connected to the upper side and the lower side of the movable frame in a sliding mode, and the fixed frame and the movable frame are connected to a lathe guide rail in a sliding mode.

Preferably, the fixed frame is hinged with two support rods at one end close to the movable frame, the support rods are fixedly connected at one ends close to each other from top to bottom, the ends close to each other from top to bottom are in contact connection with the outer peripheral surface of the lathe chuck, and the ends close to the fixed frame of the movable frame are hinged in one end surface of the support rods.

Preferably, the fixed frame and the movable frame are internally provided with a feeding mechanism, the feeding mechanism in the fixed frame comprises a motor and an air cylinder which are connected with the fixed frame in a sliding manner and are close to one end of a lathe chuck, the motor is close to one end of the movable frame and is in power connection with a threaded shaft, and the air cylinder is close to one end of the movable frame and is in pneumatic connection with a telescopic air rod.

Preferably, the feed mechanism in the removal frame including the embedding link firmly in the removal frame is close to the air pump in mount one end, the air pump is close to mount one end pneumatic connection has flexible gas post, flexible gas post one end link firmly in little curved plate is close to remove frame one end.

Preferably, the motor with the cylinder is close to mount one end is rotated and is connected with the embedding pulley, embedding pulley peripheral face sliding connection in the mount is close to swing curved plate one end face, threaded connection has the thread block on the screw thread axle peripheral face.

Preferably, the upper end of the swing curved plate is hinged to the lower end of the threaded block, the lower end of the swing curved plate is hinged to one end, close to the supporting rod, of the telescopic air rod, a sliding groove with an upward opening is formed in the end face of the lower side of the fixing frame, and a driving motor is connected to the inner wall of the sliding groove in a sliding mode.

Preferably, the lower end of the swing curved plate is fixedly connected with one end of the hinged position of the telescopic gas rod through an extension threaded shaft, the extension threaded shaft is in power connection with one end of the driving motor, and the peripheral surface of the extension threaded shaft is fixedly connected with a driving chain wheel.

Preferably, the bracing piece downside with the one end of removal frame articulated department has linked firmly driven threaded shaft, link firmly driven sprocket on the driven threaded shaft outer peripheral face.

Preferably, a linkage chain is connected between the driving chain wheel and the driven chain wheel, and a fixed spring is fixedly connected between one end of the fixed frame close to the swing curved plate and the swing curved plate.

The invention has the beneficial effects that: the invention carries out the installation of the milling equipment through the installation mechanisms at the two sides of the lathe chuck, then feeds the curved surface mechanism to be close to the lathe chuck through the feeding mechanism, simultaneously carries out the milling processing of the free curved surface on the workpiece in the lathe chuck by utilizing the milling mechanism in the curved surface mechanism, greatly improves the one-sided performance that the lathe is single and deficient and can only carry out the turning processing, and provides the maximized utilization rate of the optimized numerical control lathe for small and medium enterprises, thereby improving the integral maneuverability of the numerical control lathe and the performance that the numerical control lathe combines the turning and the milling, and ensuring that different workpieces are turned, milled and milled on the numerical control lathe

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a free-form milling lathe according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of B-B in FIG. 1 according to an embodiment of the present invention.

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1.

FIG. 5 is an enlarged schematic view of the embodiment of the present invention at D in FIG. 1.

FIG. 6 is an enlarged schematic view of the embodiment of the present invention at E in FIG. 1.

FIG. 7 is a schematic structural diagram of F-F in FIG. 4 according to an embodiment of the present invention.

FIG. 8 is a schematic diagram of the structures G-G in FIG. 5 according to an embodiment of the present invention.

Fig. 9 is a schematic view of a state in which the milling cutter 40 on the side of the rocking curved plate 31 performs milling of a free curved surface.

Fig. 10 is a schematic view of a state in which the milling cutter 40 on the side of the small curved plate 18 performs the milling of the free curved surface.

Detailed Description

The invention will now be described in detail with reference to fig. 1-10, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The free-form surface milling lathe disclosed by the attached drawings 1 to 10 comprises a curved surface mechanism, wherein the curved surface mechanism comprises a swing curved surface plate 31 and a small curved surface plate 18 which are far away from one side of a lathe chuck, an arc-shaped cavity 30 and a curved surface cavity 23 with opposite openings are arranged in the swing curved surface plate 31 and the small curved surface plate 18, the inner walls of the arc-shaped cavity 30 and the curved surface cavity 23 are connected with a milling mechanism in a sliding manner, the milling mechanism comprises a moving gear 37 which is connected to the inner walls of the arc-shaped cavity 30 and the curved surface cavity 23 in a meshing manner, the milling mechanism can move free-form surfaces on the inner walls of the arc-shaped cavity 23 and the arc-shaped cavity 30 through the rotation of the moving gear 37, a supporting plate 38 is rotatably connected to one end, the upper side and the lower side of the supporting plate 38 are slidably supported on the inner walls of the arc-shaped cavity 30 and the curved surface cavity 23, the supporting plate 38 is fixedly connected with a power source group 39 at one end close to each other, the moving gear 37 is connected with one end far away from each other of the power source group 39 in a power mode, the power source group 39 is connected with a milling cutter 40 at one end close to the lathe chuck in a power mode, and milling of workpieces in the lathe chuck is achieved through rotation of the milling cutter 40.

Advantageously, the curved surface mechanism is provided with a mounting mechanism at the side away from each other, the mounting mechanism comprises a fixed frame 11 and a movable frame 22 at two sides of the lathe chuck, the end, away from each other, of the small curved surface plate 18 is slidably connected to the upper side and the lower side of the movable frame 22, and the fixed frame 11 and the movable frame 22 are slidably connected to the lathe guide rail.

Beneficially, one end of the fixed frame 11 close to the movable frame 22 is hinged with two support rods 17, one end of each support rod 17 close to each other vertically is fixedly connected with an arc-shaped block 24, one end of each arc-shaped block 24 close to each other vertically is connected to the outer peripheral surface of the lathe chuck in a contact manner, and one end of the movable frame 22 close to the fixed frame 11 is hinged in one end face of each support rod 17.

Advantageously, a feeding mechanism is arranged in the fixed frame 11 and the movable frame 22, the feeding mechanism in the fixed frame 11 comprises a motor 14 and a cylinder 28 which are slidably connected to one end of the fixed frame 11 close to the lathe chuck, a threaded shaft 15 is dynamically connected to one end of the motor 14 close to the movable frame 22, and a telescopic air rod 27 is pneumatically connected to one end of the cylinder 28 close to the movable frame 22.

Advantageously, the feeding mechanism in the movable frame 22 comprises an air pump 21 embedded and fixedly connected in one end of the movable frame 22 close to the fixed frame 11, one end of the air pump 21 close to the fixed frame 11 is pneumatically connected with a telescopic air column 20, and one end of the telescopic air column 20 is fixedly connected to one end of the small curved plate 18 close to the movable frame 22.

Advantageously, an insertion pulley 29 is rotatably connected to one end of the motor 14 and the cylinder 28 close to the fixed frame 11, an outer circumferential surface of the insertion pulley 29 is slidably connected to one end surface of the fixed frame 11 close to the swing curved plate 31, and a screw block 16 is threadedly connected to an outer circumferential surface of the screw shaft 15.

Beneficially, the upper end of the swing curved plate 31 is hinged to the lower end of the thread block 16, the lower end of the swing curved plate 31 is hinged to one end of the telescopic air rod 27 close to the support rod 17, a sliding groove 26 with an upward opening is arranged in the lower end face of the fixed frame 11, and a driving motor 32 is connected to the inner wall of the sliding groove 26 in a sliding manner.

Beneficially, an extension threaded shaft 33 is fixedly connected to one end of the hinged position of the lower end of the swing curved plate 31 and the telescopic air rod 27, the extension threaded shaft 33 is in power connection with one end of the driving motor 32, and a driving chain wheel 34 is fixedly connected to the outer peripheral surface of the extension threaded shaft 33.

Advantageously, a driven threaded shaft 35 is fixedly connected to one end of the hinged position of the lower side of the support rod 17 and the movable frame 22, and a driven chain wheel 36 is fixedly connected to the outer peripheral surface of the driven threaded shaft 35.

Advantageously, a linkage chain 25 is connected between the driving sprocket 34 and the driven sprocket 36, and a fixed spring 12 is fixedly connected between one end of the fixed frame 11 close to the swing curved plate 31 and the swing curved plate 31.

In the initial state, the power source set 39, the air pump 21, the air cylinder 28, the motor 14, and the driving motor 32 are in the closed state, the small curved plate 18 and the swinging curved plate 31 are in the state of being away from each other, the driving motor 32 is in any position in the sliding groove 26, and the milling mechanism is in any position in the swinging curved plate 31 and the curved cavity 23.

In a using state, when any free-form surface milling processing needs to be carried out on a workpiece in a lathe chuck, the small curved plate 18 and the swing curved plate 31 move close to the lathe chuck workpiece, the milling mechanism is driven to move, the power source group 39 is started at the moment, the moving gear 37 is driven to rotate, the supporting plate 38 is driven to move on the inner walls of the curved cavity 23 and the arc-shaped cavity 30, the milling cutter 40 is driven to move, the motor which controls the milling cutter 40 to rotate in the power source group 39 is started at the moment, the milling cutter 40 is driven to move, the small curved plate 18 and the swing curved plate 31 respectively and independently move close to the workpiece, the power source groups 39 on the two sides independently control the respective moving gear 37 to rotate on the curved cavity 23 and the arc-shaped cavity 30 to move, the milling cutter 40 contacts the workpiece to carry out the free-form surface milling processing, when the fixed frame 11 and the moving frame 22 need to be installed on the outer peripheral surface of the lathe chuck, at the moment, the support rod 17 and the arc-shaped block 24 realize rigid support of the movable frame 22 and the fixed frame 11 without influencing the rotation of the lathe chuck.

When the milling mechanism in the swing curved plate 31 needs to be driven to carry out milling processing at one side close to the lathe chuck, the motor 14 and the air cylinder 28 are started, the motor 14 drives the threaded shaft 15 to rotate, thereby driving the upper side of the thread block 16 and the swing curved plate 31 to move close to the lathe chuck, and the cylinder 28 drives the telescopic air rod 27 to extend close to the lathe chuck, thereby driving the lower side of the swing curved plate 31 to extend close to one side of the lathe chuck, further driving the milling mechanism in the swing curved plate 31 to mill the free curved surface at one side of the lathe chuck, when the milling mechanism in the small curved surface plate 18 needs to be driven to move close to the other side of the lathe chuck for milling the free curved surface, the air pump 21 is started, and then the telescopic gas column 20 is driven to extend close to the lathe chuck, and further the small curved surface plate 18 and the milling mechanism in the small curved surface plate 18 are driven to move close to the lathe chuck.

When the motor 14 and the cylinder 28 need to follow the movement of the swing curved plate 31 on the axial position of the lathe chuck, in order to make the movement of the motor 14 and the cylinder 28 faster, the sliding friction between the motor 14 and the cylinder 28 is converted into rolling friction by the rotation of the embedded pulley 29, when the position of the swing curved plate 31 close to and far from the lathe chuck needs to be changed, the motor 14 is started, and further the threaded shaft 15 is driven to rotate, and further the threaded block 16 is driven to move on the outer peripheral surface of the threaded shaft 15, and further the swing curved plate 31 is driven to move, and the driving motor 32 at the lower end of the swing curved plate 31 slides on the inner wall of the sliding groove 26 along with the swing curved plate 31, when the axial position of the curved surface milling needs to be adjusted, the driving motor 32 is started, and further the extension threaded shaft 33, the driving sprocket 34, the linkage chain 25, the driven sprocket 36 and the driven threaded shaft 35 are driven to rotate, and then the moving frame 22 and the swing curved plate 31 are driven to change the axial position, so that the free-form surface milling of the milling cutter at the axial position is realized.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.