CN215033945U - Five-axis numerical control milling machine - Google Patents

Abstract

The utility model provides a five-axis numerically controlled milling machine, belonging to the field of numerically controlled machine tools, comprising a machine body, a feeding mechanism, a clamp and a cutting mechanism which are arranged on the machine body; the cutting mechanism is connected with the feeding mechanism and is used for cutting the workpiece; the clamp is used for clamping a workpiece; the feeding mechanism comprises a first feeding unit and a second feeding unit, the first feeding unit comprises a first harmonic speed reducer, the first harmonic speed reducer is used for driving the cutting mechanism to rotate around a first axis so as to adjust the relative position of the cutting mechanism and a workpiece, the second feeding unit comprises a second harmonic speed reducer, and the second harmonic speed reducer is used for driving the workpiece to rotate around a second axis so as to adjust the relative position of the workpiece and the cutting mechanism. The high-precision harmonic reducers are adopted for two rotating shafts of the five-shaft milling machine, so that the occupied space of the rotating shafts of the machine tool is highly concentrated, the compactness of the machine tool structure is improved, the number of parts shared by other machine tools is reduced, and the assembly precision is improved.

Description

Five-axis numerical control milling machine

Technical Field

The utility model belongs to the digit control machine tool field, more specifically say, relate to a five-axis digit control machine tool.

Background

The five-axis numerical control machine is a landmark product of the numerical control machine manufacturing technology, and is the technology with the greatest difficulty and the widest application range in the numerical control technology. The five-axis machining technology is internationally taken as a national industrialization level mark, integrates computer control, high-performance servo drive and precision machining technology, is applied to efficient and precise automatic machining of complex curved surfaces and generation of machine tools with various configurations, such as aerospace five-axis machining centers, high-precision five-axis die numerical control machine tools and the like. However, five-axis numerical control machines on the market are generally large in size, large in occupied space and inconvenient to transfer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a five-axis numerically controlled fraise machine aims at solving among the prior art five-axis numerically controlled fraise machine and generally bulky, and occupation space is big and shift very inconvenient technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: the five-axis numerical control milling machine is provided, and comprises:

the device comprises a lathe bed, a feeding mechanism, a clamp and a cutting mechanism; the feeding mechanism, the clamp and the cutting mechanism are all arranged on the lathe bed; the cutting mechanism is connected with the feeding mechanism and is used for cutting a workpiece; the clamp is used for clamping the workpiece; the feeding mechanism comprises a first feeding unit and a second feeding unit, the first feeding unit comprises a first harmonic speed reducer, the first harmonic speed reducer is used for driving the cutting mechanism to rotate around a first axis so as to adjust the relative position of the cutting mechanism and the workpiece, the second feeding unit comprises a second harmonic speed reducer, and the second harmonic speed reducer is used for driving the workpiece to rotate around a second axis so as to adjust the relative position of the workpiece and the cutting mechanism.

Further, the cutting mechanism comprises a spindle seat, a magnetic sleeve, an armature, a spindle and a cutter which are coaxially arranged;

the spindle seat is fixed on the first feeding unit;

the magnetic sleeve is hollow to form a cavity, and the inner wall of the cavity is provided with magnetic pieces distributed in a circumferential array manner;

the armature is accommodated in the cavity and interacts with the magnetic part to enable the magnetic sleeve to rotate;

the main shaft penetrates through the main shaft seat, the magnetic sleeve and the armature, one end of the main shaft is fixedly connected with the magnetic sleeve so that the main shaft is driven to rotate when the magnetic sleeve rotates, and the other end of the main shaft is connected with a cutter for cutting the workpiece.

Further, the first axis intersects the axis of the spindle at a distal end of the spindle.

Furthermore, the feeding mechanism further comprises a third feeding unit, a fourth feeding unit and a fifth feeding unit, the third feeding unit is arranged on the lathe bed, the fourth feeding unit is arranged on the third feeding unit, the third feeding unit and the fourth feeding unit are respectively used for driving the cutting mechanism to move in a first direction and a second direction, the fifth feeding unit is used for driving the workpiece to move in a third direction, and the first direction, the second direction and the third direction are mutually perpendicular in pairs.

Further, the third feeding unit comprises a third driving element, a third transmission element and a sliding plate; the third driving piece drives the sliding plate to move in the first direction through the third transmission piece; the sliding plate is connected to the lathe bed in a sliding mode, the sliding direction is the first direction, and the fourth feeding unit is arranged on the sliding plate.

Further, the fourth feeding unit comprises a fourth driving part, a fourth transmission part and a sliding seat, and the fourth driving part drives the sliding seat to move in the second direction through the fourth transmission part; the sliding seat is connected to the sliding plate in a sliding mode, the sliding direction is the second direction, and the first feeding unit is arranged on the sliding seat.

Furthermore, the first feeding unit further comprises a first driving piece and a first transmission piece, and the first driving piece drives the first harmonic reducer through the first transmission piece, so that the first harmonic reducer drives the cutting mechanism to rotate around the first axis.

Further, the second feeding unit further comprises a second driving member, and the second driving member is used for driving the second harmonic reducer, so that the second harmonic reducer drives the workpiece to rotate around the second axis.

Further, the fifth feeding unit comprises a fifth driving member and a fifth transmission member, and the fifth driving member drives the workpiece to move in the third direction through the fifth transmission member.

Furthermore, the clamp comprises a base, an adjusting shaft, a first clamp block and a second clamp block, the adjusting shaft is arranged on the base, the first clamp block and the second clamp block are both movably connected to the adjusting shaft, and the adjusting shaft is used for adjusting the relative distance between the first clamp block and the second clamp block so as to clamp the workpiece.

The utility model provides a pair of five numerically controlled fraise machine's beneficial effect lies in: the high-precision harmonic reducers are adopted for two rotating shafts of the five-shaft milling machine, so that the occupied space of the rotating shafts of the machine tool is highly concentrated, the compactness of the machine tool structure is improved, the number of parts shared by other machine tools is reduced, and the assembly precision is improved.

Drawings

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

Fig. 1 is a schematic view of an axial side structure of a five-axis numerically controlled milling machine provided by an embodiment of the present invention;

fig. 2 is an explosion structure schematic diagram of a five-axis numerically controlled milling machine provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first feeding unit according to an embodiment of the present invention;

fig. 4 is a partial schematic view of a cross-sectional view of a five-axis numerically controlled milling machine provided by an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structural view of a cutting mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a clamp according to an embodiment of the present invention.

In the figure: 1. a bed body; 2. a feed mechanism; 3. a cutting mechanism; 4. a clamp; 5. a workpiece; 23. a third feeding unit; 24. a fourth feeding unit; 231. a third servo motor; 232. a third transmission member; 233. a slide plate; 2321. a first toothed belt wheel; 2322. a first synchronization belt; 2323. a second toothed belt wheel; 2324. a first screw; 2325. a first nut; 241. a fourth servo motor; 2421. a third toothed belt wheel; 2422. a second synchronous belt; 2423. a fourth toothed belt wheel; 2424. a second screw; 2425. a second nut; 243. a slide base; 21. a first feeding unit; 211. a first servo motor; 2121. a fifth toothed belt wheel; 2122. a third synchronous belt; 2123. a sixth toothed belt wheel; 212. a first transmission member; 213. a first harmonic reducer; 22. a second feeding unit; 25. a fifth feeding unit; 221. a second servo motor; 222. a second harmonic reducer; 251. a fifth servo motor; 252. a fifth transmission member; 2521. a coupling; 2522. a third screw; 2523. a third nut; 31. a main shaft seat; 32. a magnetic sleeve; 33. an armature; 34. a main shaft; 35. a support; 36. a first bearing; 37. a second bearing; 100. a first axis; 200. a spindle axis; 41. a base; 42. an adjustment shaft; 43. a first clamp block; 44. and a second clamp block.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 6, the utility model provides a five-axis numerically controlled fraise machine, which comprises a machine body 1, a feeding mechanism 2, a clamp 4 and a cutting mechanism 3, wherein the feeding mechanism 2, the clamp 4 and the cutting mechanism 3 are arranged on the machine body 1; the cutting mechanism 3 is connected with the feeding mechanism 2, and the feeding mechanism 2 drives the cutting mechanism 3 to cut the workpiece 5; the clamp 4 is used for clamping to fix the workpiece 5; the feeding mechanism 2 comprises a first feeding unit 21 and a second feeding unit 22, the first feeding unit 21 comprises a first harmonic reducer 213, and the first harmonic reducer 213 is used for driving the cutting mechanism 3 to rotate around the first axis 100 so as to adjust the relative position of the cutting mechanism 3 and the workpiece 5; the second feeding unit 22 comprises a second harmonic reducer 222 for driving the workpiece 5 to rotate around the second axis to adjust the relative position of the workpiece 5 and the cutting mechanism 3.

The high-precision harmonic reducers are adopted for two rotating shafts of the five-shaft milling machine, so that the occupied space of the rotating shafts of the machine tool is highly concentrated, the compactness of the machine tool structure is improved, the number of parts shared by other machine tools is reduced, and the assembly precision is improved.

Further, as shown in fig. 5, in an embodiment, the driving mechanism includes a spindle base 31, a magnetic sleeve 32, an armature 33, a spindle 34, and a tool, the spindle base 31, the magnetic sleeve 32, the armature 33, the spindle 34, and the tool are coaxially disposed, wherein: the spindle seat 31 is fixedly connected to the first feeding unit 21, a support 35 is fixed on the spindle seat 31, and the support 35 and the spindle 34 seat 31 of the spindle 34 are coaxially arranged; the magnetic sleeve 32 is hollow to form a cavity, and magnetic pieces distributed in an array manner along the circumferential direction are arranged on the inner wall of the cavity and are permanent magnets such as magnets; the armature 33 is accommodated in the cavity, when the armature 33 is electrified, the armature 33 interacts with the magnetic part to rotate the magnetic sleeve 32, and the armature 33 is arranged above the bracket 35 and supported on the bracket 35; the main shaft 34 penetrates through a main shaft 34 seat 31 of the main shaft 34, the magnetic sleeve 32 and the armature 33, the upper end of the main shaft 34 is fixedly connected with the magnetic sleeve 32, the main shaft 34 is driven to rotate when the magnetic sleeve 32 rotates, the cutter is fixed at the lower end of the main shaft 34, the cutter is driven to cut a key when the main shaft 34 rotates, and a first bearing 36 and a second bearing 37 are sleeved on the main shaft 34 to reduce the friction coefficient of the main shaft 34 in the movement process and ensure the rotation precision of the main shaft. Meanwhile, the magnetic sleeve 32 is provided with a plurality of small holes for facilitating heat dissipation. Through directly fixed cutter on main shaft 34, and utilize armature 33 and magnetic part to set up main shaft 34 into rotatable piece, need not introduce drive unit, like motor and driving medium etc. have greatly reduced spare part quantity, have saved and have occupied the volume for five-axis numerical control machine tool wholly occupies the volume littleer.

Further, the feeding mechanism 2 further includes a third feeding unit 23, a fourth feeding unit 24 and a fifth feeding unit 25, the third feeding unit 23 is disposed on the bed 1, the fourth feeding unit 24 is disposed on the third feeding unit 23, the third feeding unit 23 and the fourth feeding unit 24 are respectively used for driving the cutting mechanism 3 to move in the first direction and the second direction, the fifth feeding unit 25 is used for driving the workpiece 5 to move in the third direction, and the first direction, the second direction and the third direction are mutually perpendicular.

Preferably, the first direction, the second direction and the third direction are directions of an X axis, a Z axis and a Y axis, respectively, and the directions of the X axis, the Z axis and the Y axis are directions of a width, a height and a length of the bed 1, respectively, and of course, any combination of X, Y, Z axes may be used, which is not described herein again.

Specifically, as shown in fig. 2, the third feeding unit 23 includes a third driving member, a third transmission member 232, and a sliding plate 233; the third driving member drives the sliding plate 233 to move in the first direction through the third transmission member 232; the slide plate 233 is slidably connected to the bed 1, and the sliding direction is the first direction. In a preferred embodiment, the third driving member is a third servo motor 231, the third servo motor 231 includes a third output shaft, the third transmission member 232 includes a first toothed belt pulley 2321, a first synchronous belt 2322, a second toothed belt pulley 2323, a first screw 2324 and a first nut 2325, the first toothed belt pulley 2321 is fixed at the end of the third output shaft, the first toothed belt pulley 2321 is connected with the second toothed belt pulley 2323 through the first synchronous belt 2322, and when the third output shaft rotates, the first toothed belt pulley 2321 drives the second toothed belt pulley 2323 to rotate synchronously through the first synchronous belt 2322; the second pulley 2323 is fixed to the first screw 2324, the axial direction of the first screw 2324 is in the first direction, the first screw 2324 is screwed to the first nut 2325, the first nut 2325 is fixed to the sliding plate 233, and when the first screw 2324 rotates with the second pulley 2323, the rotational motion is converted into the linear motion by the first nut 2325, so that the first nut 2325 moves linearly in the first direction, and the sliding plate 233 and the fourth feeding unit 24 provided on the sliding plate 233 move linearly in the first direction.

Similarly, the fourth feeding unit 24 includes a fourth driving member, a fourth transmission member, and a slide 243; the fourth driving member drives the sliding seat 243 to move in the second direction through the fourth transmission member; the sliding base 243 is slidably connected to the sliding plate 233, and the sliding direction is the second direction. In a preferred embodiment, the fourth driving part is a fourth servo motor 241, the fourth servo motor 241 includes a fourth output shaft, the fourth driving part includes a third toothed belt wheel 2421, a second timing belt 2422, a fourth toothed belt wheel 2423, a second screw 2424 and a second nut 2425, the end of the fourth output shaft fixes the third toothed belt wheel 2421, the third toothed belt wheel 2421 is connected with the fourth toothed belt wheel 2423 through the second timing belt 2422, and when the fourth output shaft rotates, the third toothed belt wheel 2421 drives the fourth toothed belt wheel 2423 to rotate synchronously through the second timing belt 2422; the fourth toothed belt wheel 2423 is fixed on the second screw 2424, the axial direction of the second screw 2424 is along the second direction, the second screw 2424 is screwed to the second nut 2425, the second nut 2425 is fixed on the sliding seat 243, and when the second screw 2424 rotates along with the fourth toothed belt wheel 2423, the rotary motion is converted into the linear motion through the second nut 2425, so that the second nut 2425 moves linearly along the second direction, and the sliding seat 243 and the first feeding unit 21 arranged on the sliding seat 243 move linearly along the second direction. Meanwhile, when the fourth feeding unit 24 moves in the first direction, the first feeding unit 21 moves in synchronization with the carriage 243.

Further, as shown in fig. 3, the first feeding unit 21 further includes a first driving member and a first transmission member 212, the first driving member drives the first harmonic reducer 213 through the first transmission member 212, so that the first harmonic reducer 213 drives the cutting mechanism 3 to rotate around the first axis 100. Specifically, the first driving element is a first servo motor 211, and the first driving element 212 includes a fifth toothed pulley 2121, a third timing belt 2122, and a sixth toothed pulley 2123. The first servo motor 211 comprises a first output shaft, the first harmonic reducer 213 comprises a first wave generator, a first flexible gear and a first rigid gear, a fifth toothed belt wheel 2121 is fixed at the tail end of the first output shaft, the fifth toothed belt wheel 2121 is connected with a sixth toothed belt wheel 2123 through a third synchronous belt 2122, and when the first output shaft rotates, the fifth toothed belt wheel 2121 drives the sixth toothed belt wheel 2123 to synchronously rotate through the third synchronous belt 2122; the sixth toothed belt wheel 2123 is integrally connected with the first wave generator, when the sixth toothed belt wheel 2123 rotates, the first wave generator synchronously rotates to extrude the first flexible gear, so that the deformation of the first flexible gear is continuously changed, and the meshing state of the first flexible gear and the first rigid gear is also continuously changed, so that the first flexible gear rotates relative to the first rigid gear, the rotation direction is in rotation around the first axis 100, and the cutting mechanism 3 is rigidly connected to the first flexible gear, so that the cutting mechanism 3 is driven to rotate around the first axis 100. Meanwhile, when the first feeding unit 21 moves in the first direction and the second direction, the cutting mechanism 3 moves in synchronization with the first flexspline.

Preferably, the first axis 100 is perpendicular to the X-axis and is angled at 45 degrees to both the Y-axis and the Z-axis.

Similarly, the first harmonic reducer 22 further includes a second driving member for driving the second harmonic reducer 222, so that the second harmonic reducer 222 drives the workpiece 5 to rotate around the second axis. Specifically, the second driving member is a second servo motor 221, the second servo motor 221 includes a second output shaft, the second harmonic reducer 222 includes a second wave generator, a second flexible gear and a second rigid gear, the second output shaft is integrally connected to the second wave generator, the second wave generator synchronously rotates when the second output shaft rotates, and the second flexible gear is extruded to continuously change the deformation of the second flexible gear, and the engagement state of the second flexible gear and the second rigid gear is also continuously changed, so that the second flexible gear rotates relative to the second rigid gear, the rotation direction is around the second axis, the fixture 4 for clamping the workpiece 5 is fixedly connected to the first flexible gear, and the workpiece 5 is driven to rotate around the second axis.

Preferably, the direction of the second axis is the Z-axis direction.

Further, as shown in fig. 4, the fifth feeding unit 25 includes a fifth driving member and a fifth transmission member 252, and the fifth driving member drives the workpiece 5 to move in the third direction by the fifth transmission member 252. Specifically, the fifth driving element is a fifth servo motor 251, and the fifth driving element 252 includes a fifth driving element 2521, a third screw 2522 and a third nut 2523; the fifth servo motor 251 includes a fifth output shaft, the fifth output shaft is fixedly connected with the third screw 2522 through a fifth transmission member 2521, when the fifth output shaft rotates, the third screw 2522 rotates synchronously, the axial direction of the third screw 2522 is along a third direction, the third screw 2522 is screwed to a third nut 2523, the third nut 2523 is fixedly connected to the jig 4, when the third screw 2522 rotates, the rotational motion is converted into a linear motion through the third nut 2523, so that the third nut 2523 moves linearly along the third direction, thereby linearly moving the jig 4 fixedly connected therewith and the workpiece 5 on the jig 4 along the third direction.

Further, in an embodiment, as shown in fig. 6, the fixture 4 includes a base 41, an adjusting shaft 42, a first clamp block 43, and a second clamp block 44, the base 41 is a circular disk, the adjusting shaft 42 is disposed on the base 41 and located at a middle position of the base 41, the first clamp block 43 and the second clamp block 44 are both movably connected to the adjusting shaft 42 and respectively located at two opposite sides of a center of the adjusting shaft 42, opposite screw threads are respectively disposed at two opposite sides of the center of the adjusting shaft 42, correspondingly, the first clamp block 43 and the second clamp block 44 are respectively provided with a screw hole screwed with the adjusting shaft 42, and when the adjusting shaft 42 is rotated, the first clamp block 43 and the second clamp block 44 linearly move in opposite directions. The first and second jaws 43, 44 cooperate to form a gripping shape adapted to the workpiece 5, and clamp the workpiece 5 when the first and second jaws 43, 44 are brought closer to each other by a certain distance.

Preferably, the first axis 100 intersects the spindle axis 200 at the end of the spindle 34. When the first feeding unit 21 drives the cutting mechanism 3 to rotate around the first axis 100, the relative position of the spindle 34 with respect to the first axis 100 is continuously changed, however, since the spindle axis 200 intersects the first axis 100 at a point which is located at the end of the spindle 34, the end of the spindle 34 is a contact portion with the workpiece 5 when cutting the workpiece 5, and the position of the point is always unchanged during rotation, that is, the contact position of the spindle 34 with the workpiece 5 is unchanged, and therefore, after the spindle 34 rotates, the spindle 34 does not need to be repositioned, and the workpiece 5 can be continuously machined at the cutting position before rotation.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A five-axis numerical control milling machine is characterized by comprising a machine body, a feeding mechanism, a clamp and a cutting mechanism; the feeding mechanism, the clamp and the cutting mechanism are all arranged on the lathe bed; the cutting mechanism is connected with the feeding mechanism and is used for cutting a workpiece; the clamp is used for clamping the workpiece; the feeding mechanism comprises a first feeding unit and a second feeding unit; the first feeding unit comprises a first harmonic reducer, and the first harmonic reducer is used for driving the cutting mechanism to rotate around a first axis so as to adjust the relative position of the cutting mechanism and the workpiece; the second feeding unit comprises a second harmonic reducer, and the second harmonic reducer is used for driving the workpiece to rotate around a second axis so as to adjust the relative position of the workpiece and the cutting mechanism.

2. The five-axis numerically controlled milling machine according to claim 1, wherein the cutting mechanism comprises a spindle seat, a magnetic sleeve, an armature, a spindle and a cutter which are coaxially arranged;

the spindle seat is fixed on the first feeding unit;

the magnetic sleeve is hollow to form a cavity, and the inner wall of the cavity is provided with magnetic pieces distributed in a circumferential array manner;

the armature is accommodated in the cavity and interacts with the magnetic part to enable the magnetic sleeve to rotate;

the main shaft penetrates through the main shaft seat, the magnetic sleeve and the armature, one end of the main shaft is fixedly connected with the magnetic sleeve so that the main shaft is driven to rotate when the magnetic sleeve rotates, and the other end of the main shaft is connected with a cutter for cutting the workpiece.

3. The five-axis numerically controlled milling machine according to claim 2, wherein the first axis intersects the axis of the spindle at a distal end of the spindle.

4. The five-axis numerical control milling machine according to claim 1, wherein the feeding mechanism further comprises a third feeding unit, a fourth feeding unit and a fifth feeding unit, the third feeding unit is arranged on the machine body, the fourth feeding unit is arranged on the third feeding unit, the third feeding unit and the fourth feeding unit are respectively used for driving the cutting mechanism to move in a first direction and a second direction, the fifth feeding unit is arranged on the machine body and is used for driving the workpiece to move in a third direction, and the first direction, the second direction and the third direction are mutually perpendicular in pairs.

5. The five-axis numerically controlled milling machine according to claim 4, wherein the third feeding unit includes a third driving member, a third transmission member, and a slide plate; the third driving piece drives the sliding plate to move in the first direction through the third transmission piece; the sliding plate is connected to the lathe bed in a sliding mode, and the fourth feeding unit is arranged on the sliding plate.

6. The five-axis numerically controlled milling machine according to claim 5, wherein the fourth feeding unit comprises a fourth driving member, a fourth transmission member and a slide, and the fourth driving member drives the slide to move in the second direction through the fourth transmission member; the sliding seat is connected to the sliding plate in a sliding mode, and the first feeding unit is arranged on the sliding seat.

7. The five-axis numerically controlled milling machine according to claim 1, wherein the first feeding unit further comprises a first driving member and a first transmission member, and the first driving member drives the first harmonic reducer through the first transmission member, so that the first harmonic reducer drives the cutting mechanism to rotate around the first axis.

8. The five-axis numerically controlled milling machine according to claim 1, wherein the second feed unit further includes a second drive for driving the second harmonic reducer such that the second harmonic reducer rotates the workpiece about the second axis.

9. The five-axis numerically controlled milling machine according to claim 4, wherein the fifth feeding unit includes a fifth driving member and a fifth transmission member, and the fifth driving member drives the workpiece to move in the third direction through the fifth transmission member.

10. The five-axis numerical control milling machine according to claim 1, wherein the clamp comprises a base, an adjusting shaft, a first clamp block and a second clamp block, the adjusting shaft is arranged on the base, the first clamp block and the second clamp block are both movably connected to the adjusting shaft, and the adjusting shaft is used for adjusting the relative distance between the first clamp block and the second clamp block so as to clamp the workpiece.

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