CN113334100A

CN113334100A - Five-axis full-closed-loop machining center

Info

Publication number: CN113334100A
Application number: CN202110725779.3A
Authority: CN
Inventors: 黄光景; 林翠梅; 罗旭忠; 何峻华
Original assignee: Dongguan Cato Mechanical Industry Co ltd
Current assignee: Dongguan Cato Mechanical Industry Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-09-03

Abstract

The invention provides a five-axis full closed-loop machining center, which comprises: the machining center comprises a machining center body, this internal X axle guide rail, Y axle guide rail, Z axle guide rail, A axle supporting seat and the C axle workstation of setting up of machining center, set up first straight grating on the X axle guide rail, set up the straight grating of second on the Y axle guide rail, set up the straight grating of third on the Z axle guide rail, set up first circle grating on the A axle supporting seat, set up the second circle grating on the C axle workstation. According to the invention, the first straight grating, the second straight grating, the third straight grating, the first circular grating and the second circular grating are arranged, the movement of the parts on the X-axis guide rail, the Y-axis guide rail, the Z-axis guide rail, the A-axis support seat and the C-axis workbench is respectively detected, the five-axis movement position is detected, the grating ruler is used as a position feedback element, the actual position of the moving part can be directly measured, the control precision is improved, the full closed-loop control is realized, and the positioning precision and the machining precision of a machining center are improved.

Description

Five-axis full-closed-loop machining center

Technical Field

The invention relates to the technical field of machining, in particular to a five-axis full-closed-loop machining center.

Background

The five-axis linkage machining center is also called as a five-axis machining center, is a machining center which is high in technological content and precision and specially used for machining complex curved surfaces, and the machining center system has a very important influence on the industries of aviation, aerospace, military, scientific research, precision instruments, high-precision medical equipment and the like in one country. The five-axis linkage numerical control machining center system is the only means for solving the machining of impellers, blades, marine propellers, heavy generator rotors, steam turbine rotors, large diesel engine crankshafts and the like. The five-axis linkage machining center has the characteristics of high efficiency and high precision, and complex machining can be completed by clamping a workpiece once. Can be suitable for processing modern moulds such as automobile parts, airplane structural parts and the like. Five-axis machining centers are very different from pentahedral machining centers. Many people do not know the point, and the pentahedron machining center is mistakenly taken as a five-axis machining center. The five-axis machining center has five axes of x, y, z, a and c, and the xyz and the ac axes form five-axis linkage machining, and are good at spatial curved surface machining, special-shaped machining, hollow machining, punching, inclined hole, beveling and the like. The pentahedral machining center is similar to a triaxial machining center, but five faces can be machined at the same time, but the pentahedral machining center cannot be used for special-shaped machining, inclined hole drilling, inclined plane cutting and the like.

The existing five-axis machining center mostly adopts a semi-closed loop system, a detection feedback signal of the semi-closed loop system is obtained from an encoder on a servo motor shaft, the feedback signal is obtained from a motor output shaft or a ball screw, but not from a machine tool terminal moving part, only the pulse number of a servo motor tail end encoder is read to serve as an actual position pulse, and due to the influence of subsequent transmission chain errors in the semi-closed loop system, such as thermal expansion of a screw rod or thermal expansion of a machine tool caused by temperature change, errors occur in the positioning process, the positioning accuracy is poor, the machining accuracy is low, and the high-end device manufacturing field such as aerospace and the like needs higher positioning and machining accuracy.

Disclosure of Invention

The invention provides a five-axis full closed-loop machining center, which is used for solving the technical problems that a semi-closed-loop system is mostly adopted in the existing five-axis machining center, and detection feedback signals of the semi-closed-loop system are obtained from an encoder on a servo motor shaft, so that errors occur in the positioning process, the positioning accuracy is poor, and the machining accuracy is low.

In order to solve the technical problem, the invention discloses a five-axis full closed-loop machining center, which comprises: the machining center comprises a machining center body, this internal X axle guide rail, Y axle guide rail, Z axle guide rail, A axle supporting seat and the C axle workstation of setting up of machining center, set up first straight grating on the X axle guide rail, set up the straight grating of second on the Y axle guide rail, set up the straight grating of third on the Z axle guide rail, set up first circle grating on the A axle supporting seat, set up the second circle grating on the C axle workstation.

Preferably, a base is arranged in the machining center body, fixed plates are symmetrically arranged on the left side and the right side of the upper surface of the base, two Y-axis guide rails are arranged on the upper surfaces of the fixed plates on the two sides respectively, a first sliding table is arranged on the Y-axis guide rails in a sliding manner and horizontally slides back and forth along the Y-axis guide rails, the two ends of the first sliding table are respectively connected with the Y-axis guide rails on the two sides in a sliding manner, the X-axis guide rails are arranged on the front side wall of the first sliding table, the X-axis guide rails are perpendicular to the Y-axis guide rails, a second sliding table is arranged on the X-axis guide rails in a sliding manner and horizontally slides left and right along the X-axis guide rails, the Z-axis guide rails are vertically arranged on the front side wall of the second sliding table, the Z-axis guide rails are perpendicular to the X-axis guide rails and the Z-axis guide rails, and an installation frame is arranged on the Z-axis guide rails in a sliding manner, the mounting bracket is along the Z-axis guide rail vertically slides up and down, a main shaft is arranged in the mounting bracket, and a cutting tool is arranged at the lower end of the main shaft.

Preferably, the second sliding table and the mounting frame are driven by linear motors, and the first sliding table is driven by double linear motors.

Preferably, the main shaft adopts a concealed design, a motor structure is arranged in the main shaft, a temperature management device is further arranged in the main shaft, the temperature management device comprises a cooling pipeline, and cooling oil is arranged in the cooling pipeline.

Preferably, two the fixed plate front end all sets up the fixed block, the fixed block lower surface with fixed surface is connected on the base, A axle support base lower surface with fixed surface is connected on the fixed block, C axle workstation sets up two between the A axle support base, A axle support base orientation C axle workstation one side sets up the A axle pivot, A axle pivot one end with A axle support base rotates to be connected, the A axle pivot other end with C axle workstation lateral wall fixed connection.

Preferably, set up driving motor in the C axle workstation, the driving motor output sets up the drive shaft, the drive shaft upper end extends to C axle workstation top sets up the revolving stage, driving motor passes through the drive shaft drives the revolving stage rotates, one of them set up drive assembly in the A axle support seat, drive assembly is used for the drive the A axle pivot is rotated.

Preferably, a protective shell is arranged outside the machining center body, and a visual window is arranged on the protective shell.

Preferably, the X-axis guide rail, the Y-axis guide rail and the Z-axis guide rail are all roller type guide rails.

Preferably, the chip cleaner further comprises a chip suction device, wherein the chip suction device comprises:

the rubber blocks are arranged on one side, facing the rotating table, of the C-axis workbench, the number of the rubber blocks is two, the side wall of each rubber block is fixedly connected with the side wall of the C-axis workbench, and a sliding groove is formed in one side, away from the C-axis workbench, of each rubber block;

the rotating ring is arranged between the two rubber blocks and is in a ring shape, the rotating ring is connected with the rubber blocks in a sliding mode through the sliding groove, the shape of the sliding groove is matched with the periphery of the rotating ring, the inner diameter of the rotating ring is larger than the radius of the rotating table, a chip suction device is arranged on the inner wall of the rotating ring, and a chip suction port of the chip suction device is aligned to the upper surface of the rotating table;

the protective cover is arranged on the upper surface of the rotating ring, the lower end of the protective cover is fixedly connected with the upper surface of the rotating ring, the inner diameter of the protective cover is larger than the radius of the rotating table, and annular ratchet teeth are arranged on the outer wall of the protective cover;

the mounting plate is arranged on the front side wall of the C-axis workbench, a first motor is arranged on the mounting plate, and a turntable is arranged at the output end of the first motor;

the first slide rail is arranged on the upper surface of the mounting plate and is parallel to the X-axis guide rail, a first slide block is arranged on the first slide rail in a sliding mode, the first slide block slides left and right along the first slide rail, a rectangular frame is arranged on the upper surface of the first slide block, an opening is formed in the rectangular frame and faces one side of the ratchet teeth, a push plate is arranged in the rectangular frame in a sliding mode, one end, close to the ratchet teeth, of the push plate penetrates through the opening and is in contact with the ratchet teeth, the contact surface of the push plate and the ratchet teeth is matched with the ratchet teeth, a first spring is arranged at the other end of the push plate, one end of the first spring is fixedly connected with one end, far away from the ratchet teeth, of the push plate, and the other end of the first spring is fixedly connected with the inner wall of the rectangular frame;

the first connecting rod is arranged at one end, close to the first motor, of the first sliding block, one end of the first connecting rod is fixedly connected with the side wall of the first sliding block, the other end of the second connecting rod is provided with a second connecting rod, one end of the second connecting rod is hinged to the first connecting rod, and the other end of the second connecting rod is hinged to the eccentric position of the upper surface of the rotary table.

Preferably, still include automatic telescopic link, automatic telescopic link sets up the fixed plate inner wall, automatic telescopic link is kept away from fixed plate one end sets up fixed case, fixed case upper end sets up the second opening, fixed case lower extreme sets up the third opening, the inside cleaning device that sets up of fixed incasement portion, cleaning device includes:

the second motor is arranged in the fixed box and fixedly connected with the inner wall of the left upper part of the fixed box, a first rotating shaft is arranged at the output end of the second motor, and a first bevel gear and a second bevel gear are sequentially arranged on the first rotating shaft from left to right;

the second rotating shaft is arranged on the right of the first rotating shaft, two ends of the second rotating shaft are respectively and rotatably connected with the inner walls of the front side and the rear side of the fixed box, a third bevel gear and a first gear are sequentially arranged on the second rotating shaft from front to back, the third bevel gear is meshed with the second bevel gear, and the first gear is set to be an incomplete gear;

the sliding box is connected with the second opening in a sliding mode, a fourth opening is formed in the upper end of the sliding box and is conical, a plurality of first bristles are arranged on the inner wall of the sliding box, a rack matched with the tooth form of the first gear is arranged on the left side wall of the sliding box, the rack is intermittently meshed with the first gear, and the radius of the inner wall of the sliding box is larger than that of the cutting tool;

the baffle is arranged on the right side wall of the sliding box, one end of the baffle is fixedly connected with the right side wall of the sliding box, the other end of the baffle is slidably connected with the inner wall of the right side of the fixed box, a second spring is arranged on the upper surface of the baffle, one end of the second spring is fixedly connected with the upper surface of the baffle, and the other end of the second spring is fixedly connected with the inner wall of the upper end of the fixed box;

a transverse plate arranged below the second motor, wherein the front end and the rear end of the transverse plate are respectively fixedly connected with the inner walls of the front side and the rear side of the fixed box, a through hole is arranged in the transverse plate, a bearing is arranged in the through hole, a third rotating shaft is arranged in the bearing, the outer ring of the third rotating shaft is fixedly connected with the inner ring of the bearing, one end of the third rotating shaft extends to the upper part of the transverse plate and is provided with a fourth bevel gear, the fourth bevel gear is meshed with the first bevel gear, the other end of the third rotating shaft extends to the lower part of the transverse plate and is provided with a screw rod, a threaded sleeve is sleeved on the screw rod and is in threaded transmission connection with the screw rod, a sliding plate is arranged at one end of the threaded sleeve, which is far away from the transverse plate, the sliding plate slides up and down along the inner wall of the fixed box, one end of the sliding plate is connected with the inner wall of the left side of the fixed box in a sliding mode, and the lower surface of the other end of the sliding plate is provided with a ball;

the second gear is arranged at the lower end of the third rotating shaft;

the supporting plate is arranged below the sliding box, and the outer wall of the supporting plate is fixedly connected with the inner wall of the fixed box;

the fourth rotating shaft is perpendicular to the supporting plate, the upper end of the fourth rotating shaft is rotatably connected with the lower surface of the supporting plate, a third gear is arranged at a position, close to the upper end, of the fourth rotating shaft, the third gear is meshed with the second gear, two blind holes are symmetrically formed in the fourth rotating shaft, the lower ends of the blind holes are communicated with the lower portion of the fourth rotating shaft, a sliding column is arranged in the blind holes in a sliding mode, a third spring is arranged at one end of the sliding column, the upper end of the third spring is fixedly connected with the inner wall of the upper end of the blind hole, the lower end of the sliding column extends to the outer portion of the fourth rotating shaft and is provided with an installation seat, the upper surface of the installation seat is in contact with the ball, and a plurality of second bristles are arranged on the lower surface of the installation seat;

the two second slide rails are symmetrically arranged on the left side wall and the right side wall of the mounting seat, a second slide block is arranged on the second slide rails in a sliding manner, the second slide block slides up and down along the second slide rails, a stop block is arranged at the lower end of each second slide rail, a fourth spring is arranged between each stop block and the corresponding second slide block, one end of each fourth spring is fixedly connected with the lower surface of the corresponding second slide block, and the other end of each fourth spring is fixedly connected with the upper surface of the corresponding stop block;

the two swing rods are symmetrically arranged on the left side and the right side of the mounting seat, one end of each swing rod is located below the stop block and is hinged with the side wall of the mounting seat, the other end of each swing rod is in contact with the inner wall of the fixed box, and third bristles are arranged on the swing rods towards one side of the rotating table;

the connecting rod, the connecting rod sets up the swinging arms with between the second slider, connecting rod one end with the second slider lateral wall is articulated to be connected, the connecting rod other end with the swinging arms lateral wall is articulated to be connected.

The technical scheme of the invention has the following advantages: the invention provides a five-axis full closed-loop machining center, which comprises: the machining center comprises a machining center body, this internal X axle guide rail, Y axle guide rail, Z axle guide rail, A axle supporting seat and the C axle workstation of setting up of machining center, set up first straight grating on the X axle guide rail, set up the straight grating of second on the Y axle guide rail, set up the straight grating of third on the Z axle guide rail, set up first circle grating on the A axle supporting seat, set up the second circle grating on the C axle workstation. According to the invention, the first straight grating, the second straight grating, the third straight grating, the first circular grating and the second circular grating are arranged, the movement of the parts on the X-axis guide rail, the Y-axis guide rail, the Z-axis guide rail, the A-axis support seat and the C-axis workbench is respectively detected, the five-axis movement position is detected, the grating ruler is used as a position feedback element, the actual position of the moving part can be directly measured, the control precision is improved, the full closed-loop control is realized, and the positioning precision and the machining precision of a machining center are improved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of an internal structure of a five-axis full closed-loop machining center according to the present invention;

FIG. 2 is a schematic view of an overall structure of a five-axis full closed-loop machining center according to the present invention;

FIG. 3 is a schematic view of the spindle structure of the present invention;

FIG. 4 is a schematic structural view of a C-axis table according to the present invention;

FIG. 5 is a front view of the C-axis table of the present invention;

FIG. 6 is a top view of the C-axis table of the present invention;

FIG. 7 is a schematic view of a crumb absorbing device according to the present invention;

FIG. 8 is a schematic view of a holding tank of the present invention;

FIG. 9 is a schematic view of a cleaning apparatus according to the present invention.

In the figure: 1. an X-axis guide rail; 2. a Y-axis guide rail; 3. a Z-axis guide rail; 4. a shaft supporting seat; 5. a C-axis workbench; 6. a base; 7. a fixing plate; 8. a first sliding table; 9. a second sliding table; 10. a mounting frame; 11. a main shaft; 12. a cutting tool; 13. a motor structure; 14. a cooling duct; 15. a fixed block; 16. a shaft A rotating shaft; 17. a drive motor; 18. a drive shaft; 19. a rotating table; 20. a protective housing; 21. a rubber block; 22. a rotating ring; 23. a scrap suction device; 24. a protective cover; 25. ratchet teeth; 26. mounting a plate; 27. a first motor; 28. a turntable; 29. a first slide rail; 30. a first slider; 31. a rectangular frame; 32. pushing the plate; 33. a first spring; 34. a first link; 35. a second link; 36. automatically telescoping the rod; 37. a fixed box; 38. a second motor; 39. a first rotating shaft; 40. a first bevel gear; 41. a second bevel gear; 42. a second rotating shaft; 43. a third bevel gear; 44. a first gear; 45. a slide box; 46. a baffle plate; 47. a second spring; 48. a bearing; 49. a transverse plate; 50. a third rotating shaft; 51. a fourth bevel gear; 52. a screw; 53. a threaded sleeve; 54. a slide plate; 55. a ball bearing; 56. a second gear; 57. a support plate; 58. a fourth rotating shaft; 59. a third gear; 60. blind holes; 61. a sliding post; 62. a third spring; 63. a mounting seat; 64. a second bristle; 65. a second slide rail; 66. a second slider; 67. a stopper; 68. a fourth spring; 69. a swing lever; 70. a third bristle; 71. a connecting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1:

an embodiment of the present invention provides a five-axis full closed-loop machining center, as shown in fig. 1 to 9, including: the machining center body, this internal X axle guide rail 1, Y axle guide rail 2, Z axle guide rail 3, A axle supporting seat 4 and the C axle workstation 5 of setting up of machining center, set up first straight grating on the X axle guide rail 1, set up the straight grating of second on the Y axle guide rail 2, set up the straight grating of third on the Z axle guide rail 3, set up first circle grating on A axle supporting seat 4, set up the second circle grating on the C axle workstation 5.

The working principle and the beneficial effects of the technical scheme are as follows: an X-axis guide rail 1, a Y-axis guide rail 2, a Z-axis guide rail 3, an A-axis support seat 4 and a C-axis workbench 5 are arranged in a machining center body, a first straight grating is arranged on the X-axis guide rail 1 and can be used for directly measuring the actual position change of a moving part on the X-axis guide rail 1, a second straight grating is arranged on the Y-axis guide rail 2 and can be used for directly measuring the actual position change of the moving part on the Y-axis guide rail 2, a third straight grating is arranged on the Z-axis guide rail 3 and can be used for detecting the actual position change of the moving part on the Z-axis guide rail 3, a first circular grating is arranged on an A-axis support seat 4 and can be used for detecting the rotating position change of the moving part on the A-axis support seat 4, a second circular grating is arranged on the C-axis workbench 5 and can be used for detecting the rotating position change of the moving part on the C-axis workbench 5, the first straight grating, the second straight grating and the third straight grating are absolute grating scales, the resolution ratio of the absolute grating scales is 0.05 mu m, the detection precision is high, in the invention, by arranging the first straight grating, the second straight grating, the third straight grating, the first circular grating and the second circular grating (not shown in the figure), and respectively detect the motion of the components on the X-axis guide rail 1, the Y-axis guide rail 2, the Z-axis guide rail 3, the A-axis support seat 4 and the C-axis workbench 5, realize the detection of five-axis motion positions, utilize a grating ruler as a position feedback element, can directly measure the actual position of the moving component, and load distance parameters such as actual position pulses of a grating ruler are directly read, so that the control precision is improved, full closed-loop control during machining of the machining center body is realized, the full closed-loop control is adopted, a true absolute feedback value is realized, the condition of coordinate loss is avoided, and the positioning precision and the machining precision of the machining center are improved.

Example 2

On the basis of the above embodiment 1, as shown in fig. 1 to 6, a base 6 is arranged in the machining center body, fixing plates 7 are symmetrically arranged on the left and right sides of the upper surface of the base 6, two Y-axis guide rails 2 are arranged, the two Y-axis guide rails 2 are respectively arranged on the upper surfaces of the fixing plates 7 on the two sides, a first sliding table 8 is slidably arranged on the Y-axis guide rails 2, the first sliding table 8 horizontally slides back and forth along the Y-axis guide rails 2, two ends of the first sliding table 8 are respectively slidably connected with the Y-axis guide rails 2 on the two sides, the X-axis guide rail 1 is arranged on the front side wall of the first sliding table 8, the X-axis guide rail 1 is perpendicular to the Y-axis guide rails 2, a second sliding table 9 is slidably arranged on the X-axis guide rail 1, the second sliding table 9 horizontally slides left and right along the X-axis guide rail 1, the Z-axis guide rail 3 is vertically arranged on the front side wall of the second sliding table 9, the Z-axis guide rail 3 is perpendicular to the X-axis guide rail 1 and the Z-axis guide rail 3, an installation frame 10 is arranged on the Z-axis guide rail 3 in a sliding mode, the installation frame 10 vertically slides up and down along the Z-axis guide rail 3, a spindle 11 is arranged in the installation frame 10, and a cutting tool 12 is arranged at the lower end of the spindle 11;

the second sliding table 9 and the mounting frame 10 are driven by linear motors, and the first sliding table 8 is driven by a double linear motor;

the spindle 11 adopts a built-in design, a motor structure 13 is arranged in the spindle 11, a temperature management device is also arranged in the spindle 11, the temperature management device comprises a cooling pipeline 14, and cooling oil is arranged in the cooling pipeline 14;

the front ends of the two fixing plates 7 are respectively provided with a fixing block 15, the lower surface of each fixing block 15 is fixedly connected with the upper surface of the base 6, the lower surface of the A-axis supporting seat 4 is fixedly connected with the upper surface of the fixing block 15, the C-axis workbench 5 is arranged between the two A-axis supporting seats 4, one side, facing the C-axis workbench 5, of the A-axis supporting seat 4 is provided with an A-axis rotating shaft 16, one end of the A-axis rotating shaft 16 is rotatably connected with the A-axis supporting seat 4, and the other end of the A-axis rotating shaft 16 is fixedly connected with the side wall of the C-axis workbench 5;

set up driving motor 17 in the C axle workstation 5, driving motor 17 output sets up

drive shaft

18, 18 upper ends of drive shaft extend to 5 tops of C axle workstation set up revolving stage 19, driving motor 17 passes through 18 drives of drive shaft 19 rotates, one of them set up drive assembly in the A axle supporting seat 4, drive assembly is used for the drive A axle pivot 16 rotates.

The working principle and the beneficial effects of the technical scheme are as follows: a base 6 is arranged in a machining center body, two fixing plates 7 are arranged on the upper surface of the base 6, the fixing plates 7 are used for supporting a Y-axis guide rail 2, a first sliding table 8 is arranged on the Y-axis guide rail 2 in a sliding mode, the first sliding table 8 horizontally slides back and forth along the Y-axis guide rail 2, two ends of the first sliding table 8 are respectively connected with the Y-axis guide rails 2 on two sides in a sliding mode, an X-axis guide rail 1 is arranged on the front side wall of the first sliding table 8, an X-axis guide rail 1 is perpendicular to the Y-axis guide rail 2, a second sliding table 9 is arranged on the X-axis guide rail 1 in a sliding mode, the second sliding table 9 horizontally slides left and right along the X-axis guide rail 1, a Z-axis guide rail 3 is vertically arranged on the front side wall of the second sliding table 9, the Z-axis guide rail 3 is mutually perpendicular to the X-axis guide rail 1 and the Z-axis guide rail 3, an installation frame 10 is arranged on the Z-axis guide rail 3 in a sliding mode, a main shaft 11 is arranged in the installation frame 10, a cutting tool 12 is arranged at the lower end of the main shaft 11, the second sliding table 9 and the mounting frame 10 are driven by linear motors, the first sliding table 8 is driven by double linear motors, the first sliding table 8 can be driven by the double linear motors to horizontally slide back and forth along the two Y-axis guide rails 2, the second sliding table 9 can be driven by the linear motors to horizontally slide left and right along the X-axis guide rails 1, and the mounting frame 10 can slide up and down along the Z-axis guide rails 3, so that the position adjustment of the cutting tool 12 is realized, the first straight grating, the second straight grating and the third straight grating respectively detect the actual positions of the second sliding table 9, the first sliding table 8 and the mounting frame 10, so that the full closed loop control is realized, no mechanical contact exists when the second sliding table 9, the first sliding table 8 and the mounting frame 10 move through the linear motors, the mechanical loss does not exist, the reaction speed is high, the reverse gaps do not exist in the linear motors, the precision is higher, the structure is simplified, and the dynamic response is improved, the linear motor drive has the advantages of stable operation, high positioning precision, minimum influence on the quality of processed products, suitability for high-precision product processing, no need of thermal processing during processing, high-precision processing and use efficiency improvement, the spindle 11 is internally provided with a motor structure 13, the elimination of a drive gear is improved, vibration during high-speed rotation can be inhibited to the maximum extent, the processing surface precision can be further improved, the service life of a cutting tool 12 is prolonged, a temperature management device is further arranged in the spindle 11, the spindle 11 thermal displacement caused by the heating of each part can be inhibited through the circulation of cooling oil subjected to temperature management, the change of the processing precision can be prevented, the A shaft support seat 4 is fixedly arranged on the fixed block 15, c axle workstation 5 is located between two A axle support seats 4, rotate with A axle support seat 4 through A axle pivot 16 and be connected, make C axle workstation 5 can swing between two A axle support seats 4, be provided with drive assembly in an A axle support seat 4, can drive A axle pivot 16 and rotate, thereby it rotates to drive C axle workstation 5, first circle grating can detect the rotational position change of C axle workstation 5, set up driving motor 17 in C axle workstation 5, driving motor 17 drives revolving stage 19 through drive shaft 18 and rotates, the second circle grating can detect the rotational position change of revolving stage 19, directly set up driving motor 17 in C axle workstation 5 and directly drive revolving stage 19, five-axis linkage processing can carry out, and the device has the advantages such as high speed, high accuracy, and stability and reliability, and convenient operation.

Example 3

On the basis of embodiment 1, as shown in fig. 2, a protective shell 20 is disposed outside the machining center body, and a visible window is disposed on the protective shell 20.

The working principle and the beneficial effects of the technical scheme are as follows: set up protecting sheathing 20 in machining center body outside, improved the security of machining center body, set up visual window on protecting sheathing 20, conveniently observe work piece processing state, improve the operation high efficiency.

Example 4

On the basis of embodiment 1, the X-axis guide rail 1, the Y-axis guide rail 2, and the Z-axis guide rail 3 all adopt roller-type guide rails.

The working principle and the beneficial effects of the technical scheme are as follows: through setting up the roller type guide rail, guaranteed the high rigidity of guide rail, reduce the wearing and tearing of X axle guide rail 1, Y

axle guide rail

2, 3 guide rails of Z axle guide rail, prolonged life, ensure that processing has higher precision.

Example 5

On the basis of embodiment 2, as shown in fig. 7, the dust collector further comprises a dust suction device, and the dust suction device comprises:

the rubber blocks 21 are arranged on one side, facing the rotating table 19, of the C-axis workbench 5, two rubber blocks 21 are arranged, the side wall of each rubber block 21 is fixedly connected with the side wall of the C-axis workbench 5, and a sliding groove is formed in one side, away from the C-axis workbench 5, of each rubber block 21;

the rotating ring 22 is arranged between the two rubber blocks 21, the rotating ring 22 is in a circular ring shape, the rotating ring 22 is connected with the rubber blocks 21 in a sliding mode through the sliding grooves, the shape of the sliding grooves is matched with the periphery of the rotating ring 22, the inner diameter of the rotating ring 22 is larger than the radius of the rotating table 19, a chip suction device 23 is arranged on the inner wall of the rotating ring 22, and a chip suction port of the chip suction device 23 is aligned to the upper surface of the rotating table 19;

the protective cover 24 is arranged on the upper surface of the rotating ring 22, the lower end of the protective cover 24 is fixedly connected with the upper surface of the rotating ring 22, the inner diameter of the protective cover 24 is larger than the radius of the rotating table 19, and annular ratchet teeth 25 are arranged on the outer wall of the protective cover 24;

the mounting plate 26 is arranged on the front side wall of the C-axis workbench 5, a first motor 27 is arranged on the mounting plate 26, and a rotary disc 28 is arranged at the output end of the first motor 27;

a first slide rail 29, wherein the first slide rail 29 is arranged on the upper surface of the mounting plate 26, the first slide rail 29 is parallel to the X-axis guide rail 1, a first slide block 30 is arranged on the first slide rail 29 in a sliding manner, the first slide block 30 slides left and right along the first slide rail 29, the upper surface of the first slider 30 is provided with a rectangular frame 31, the rectangular frame 31 is provided with an opening towards one side of the ratchet wheel teeth 25, a push plate 32 is arranged in the rectangular frame 31 in a sliding mode, one end, close to the ratchet teeth 25, of the push plate 32 penetrates through the opening and is in contact with the ratchet teeth 25, the contact surface of the push plate 32 and the ratchet teeth 25 is matched with the ratchet teeth 25, the other end of the push plate 32 is provided with a first spring 33, one end of the first spring 33 is fixedly connected with one end of the push plate 32 far away from the ratchet teeth 25, and the other end of the first spring 33 is fixedly connected with the inner wall of the rectangular frame 31;

first connecting rod 34, first connecting rod 34 sets up first slider 30 is close to first motor 27 one end, first connecting rod 34 one end with first slider 30 lateral wall fixed connection, the second connecting rod 35 other end sets up second connecting rod 35, second connecting rod 35 one end with first connecting rod 34 is articulated to be connected, the second connecting rod 35 other end with carousel 28 upper surface eccentric position is articulated to be connected.

The working principle and the beneficial effects of the technical scheme are as follows: when a cutting tool 12 is used for processing a workpiece on the rotating table 19, the first motor 27 and the chip sucker 23 are started, the chip sucker 23 can absorb waste chips generated in a cutting process, the first motor 27 can drive the rotating table 28 to rotate, the rotating table 28 can drive the first connecting rod 34 to reciprocate left and right through the second connecting rod 35, the first connecting rod 34 drives the first sliding block 30 to slide left and right on the first sliding rail 29 in a reciprocating manner, the first sliding block 30 drives the rectangular frame 31 to move, when a hinge point of the rotating table 28 and the second connecting rod 35 rotates to the left side of the rotating table 28, the first sliding block 30 drives the rectangular frame 31 to move left, the rectangular frame 31 drives the push plate 32 to slide left and slide from one ratchet tooth 25 to the left adjacent ratchet tooth 25, the push plate 32 is clamped with the ratchet tooth 25 under the action of the first spring 33, at this time, the rotating ring 22 does not rotate under the action of the rubber block 21, when the hinge point of the rotary disc 28 and the second connecting rod 35 rotates to the right side of the rotary disc 28, the first slider 30 drives the rectangular frame 31 to move rightwards, the rectangular frame 31 drives the push plate 32 to slide rightwards, the upper end of the push plate 32 is matched with the tooth form of the ratchet teeth 25, the push plate 32 drives the ratchet teeth 25 to rotate anticlockwise through the clamping with the ratchet teeth 25, the ratchet teeth 25 drive the protective cover 24 to rotate anticlockwise, the protective cover 24 drives the rotating ring 22 to rotate anticlockwise between the two rubber blocks 21, so that the position of the scrap suction device 23 is changed, the scrap suction device 23 continues to suck scraps at the next position, the protective cover 24 can block scraps generated in the machining process, the scraps are prevented from splashing far, the scraps are uniformly collected in the protective cover 24, then the scraps are completely absorbed by the scrap suction device 23, the scrap suction device 23 can perform scrap suction position adjustment at equal angles, and the scrap suction port of the scrap suction device 23 is aligned with the surface of the rotary table 19, realized 19 surperficial work pieces of revolving stage's all-round bits of inhaling, thereby 19 surfaces of revolving stage and the sweeps clean up of workpiece surface, prevent that the sweeps from remaining in revolving stage 19 and workpiece surface, machining precision has been guaranteed, set up one simultaneously and inhale the all-round clearance that 19 surfaces of revolving stage can be accomplished to bits ware 23, the cost has been practiced thrift when the improvement is inhaled the bits quality, and can replace artifical clearance sweeps, labor intensity has been reduced, machining center's security has been improved.

Example 6

On the basis of embodiment 2, as shown in fig. 8 and 9, the cleaning device further includes an automatic telescopic rod 36, the automatic telescopic rod 36 is disposed on the inner wall of the fixed plate 7, a fixed box 37 is disposed at one end of the automatic telescopic rod 36, which is far away from the fixed plate 7, the upper end of the fixed box 37 is provided with a second opening, the lower end of the fixed box 37 is provided with a third opening, and a cleaning device is disposed inside the fixed box 37, and the cleaning device includes:

the second motor 38 is arranged inside the fixed box 37, the second motor 38 is fixedly connected with the inner wall of the left upper part of the fixed box 37, the output end of the second motor 38 is provided with a first rotating shaft 39, and the first rotating shaft 39 is sequentially provided with a first bevel gear 40 and a second bevel gear 41 from left to right;

the second rotating shaft 42 is arranged on the right of the first rotating shaft 39, two ends of the second rotating shaft 42 are respectively rotatably connected with the inner walls of the front side and the rear side of the fixed box 37, a third bevel gear 43 and a first gear 44 are sequentially arranged on the second rotating shaft 42 from front to back, the third bevel gear 43 is meshed with the second bevel gear 41, and the first gear 44 is an incomplete gear;

the sliding box 45 is connected with the second opening in a sliding mode, a fourth opening is formed in the upper end of the sliding box 45 and is in a conical shape, a plurality of first bristles are arranged on the inner wall of the sliding box 45, a rack matched with the first gear 44 in tooth shape is arranged on the left side wall of the sliding box 45, the rack is intermittently meshed with the first gear 44, and the radius of the inner wall of the sliding box 45 is larger than that of the cutting tool 12;

the baffle plate 46 is arranged on the right side wall of the sliding box 45, one end of the baffle plate 46 is fixedly connected with the right side wall of the sliding box 45, the other end of the baffle plate 46 is slidably connected with the right side inner wall of the fixed box 37, a second spring 47 is arranged on the upper surface of the baffle plate 46, one end of the second spring 47 is fixedly connected with the upper surface of the baffle plate 46, and the other end of the second spring 47 is fixedly connected with the inner wall of the upper end of the fixed box 37;

a transverse plate 49, the transverse plate 49 is disposed below the second motor 38, the front end and the rear end of the transverse plate 49 are respectively fixedly connected to the inner walls of the front side and the rear side of the fixed box 37, a through hole is disposed in the transverse plate 49, a bearing 48 is disposed in the through hole, a third rotating shaft 50 is disposed in the bearing 48, the outer ring of the third rotating shaft 50 is fixedly connected to the inner ring of the bearing 48, one end of the third rotating shaft 50 extends to the upper side of the transverse plate 49 and is provided with a fourth bevel gear 51, the fourth bevel gear 51 is engaged with the first bevel gear 40, the other end of the third rotating shaft 50 extends to the lower side of the transverse plate 49 and is provided with a screw 52, a threaded sleeve 53 is sleeved on the screw 52, the threaded sleeve 53 is in threaded transmission connection with the screw 52, a sliding plate 54 is disposed at one end of the threaded sleeve 53 away from the transverse plate 49, the sliding plate 54 slides up and down along the inner wall of the fixed box 37, one end of the sliding plate 54 is in sliding connection with the left side of the fixed box 37, the lower surface of the other end of the sliding plate 54 is provided with a ball 55;

a second gear 56, wherein the second gear 56 is arranged at the lower end of the third rotating shaft 50;

the supporting plate 57 is arranged below the sliding box 45, and the outer wall of the supporting plate 57 is fixedly connected with the inner wall of the fixed box 37;

the fourth rotating shaft 58 is perpendicular to the supporting plate 57, the upper end of the fourth rotating shaft 58 is rotatably connected with the lower surface of the supporting plate 57, a third gear 59 is arranged at a position, close to the upper end, of the fourth rotating shaft 58, the third gear 59 is meshed with the second gear 56, two blind holes 60 are symmetrically arranged in the fourth rotating shaft 58, the lower ends of the blind holes 60 are communicated with the lower part of the fourth rotating shaft 58, a sliding column 61 is arranged in the blind holes 60 in a sliding mode, a third spring 62 is arranged at one end of the sliding column 61, the upper end of the third spring 62 is fixedly connected with the inner wall of the upper end of the blind hole 60, the lower end of the sliding column 61 extends to the outside of the fourth rotating shaft 58 and is provided with a mounting seat 63, the upper surface of the mounting seat 63 is in contact with the ball 55, and a plurality of second bristles 64 are arranged on the lower surface of the mounting seat 63;

the two second slide rails 65 are symmetrically arranged on the left side wall and the right side wall of the mounting seat 63, a second slide block 66 is arranged on the second slide rails 65 in a sliding manner, the second slide block 66 slides up and down along the second slide rails 65, a stop block 67 is arranged at the lower end of each second slide rail 65, a fourth spring 68 is arranged between the stop block 67 and the second slide block 66, one end of the fourth spring 68 is fixedly connected with the lower surface of the second slide block 66, and the other end of the fourth spring 68 is fixedly connected with the upper surface of the stop block 67;

two swing rods 69, the two swing rods 69 are symmetrically arranged on the left side and the right side of the mounting seat 63, one end of each swing rod 69 is positioned below the stop block 67 and is hinged with the side wall of the mounting seat 63, the other end of each swing rod 69 is in contact with the inner wall of the fixed box 37, and a third bristle 70 is arranged on one side, facing the rotating platform 19, of each swing rod 69;

the connecting rod 71 is arranged between the swinging rod 69 and the second sliding block 66, one end of the connecting rod 71 is hinged with the side wall of the second sliding block 66, and the other end of the connecting rod 71 is hinged with the side wall of the swinging rod 69.

The working principle and the beneficial effects of the technical scheme are as follows: after the workpiece is processed, starting an electric telescopic rod, moving a fixed box 37 to a position between a cutting tool 12 and a rotating platform 19 by the electric telescopic rod, directly above the rotating platform 19 below the fixed box 37, cleaning the upper surfaces of the cutting tool 12 and the rotating platform 19 by using a cleaning device, firstly starting a second motor 38 when cleaning, driving a first rotating shaft 39 to rotate by the rotation of the second motor 38, driving a first bevel gear 40 and a second bevel gear 41 to rotate by the rotation of the first rotating shaft 39, driving a third bevel gear 43 engaged with the second bevel gear 41 to rotate by the rotation of the second bevel gear 41, driving a second rotating shaft 42 to rotate by the rotation of the third bevel gear 43, and driving a first gear 44 on a second rotating shaft 42 to rotate, wherein the first gear 44 is an incomplete gear, the first gear 44 can be engaged with a rack (not shown in the figure) arranged on the left side wall of a sliding box 45, and when the first gear 44 is engaged with the rack, the first gear 44 drives the rack to move upwards, the rack drives the sliding box 45 to slide upwards along the second opening, the upper end of the sliding box 45 is provided with a fourth opening, the fourth opening is opposite to the cutting tool 12, when the sliding box 45 slides to the uppermost end, the cutting tool 12 is positioned inside the sliding box 45, the first bristles are in contact with the outer wall of the cutting tool 12, after the first gear 44 is meshed with the rack, under the action of a second spring 47, the baffle plate 46 slides along the right side wall of the fixed box 37, the sliding box 45 restores to the original position and is separated from the cutting tool 12, the sliding box 45 performs reciprocating sliding up and down in the second opening through continuous rotation of the second rotating shaft 42, the cutting tool 12 can perform reciprocating up and down in the sliding box 45, so as to clean impurities attached to the surface of the cutting tool 12, the inside of the sliding box 45 is also communicated with an exhaust pipe, the exhaust pipe is connected with an air extracting device, so that the impurities inside the sliding box 45 can be absorbed to the outside of the sliding box 45, the first rotating shaft 39 rotates and drives the first bevel gear 40 to rotate, the first bevel gear 40 is meshed with the fourth bevel gear 51, the fourth bevel gear 51 rotates along with the first bevel gear 40, the fourth bevel gear 51 drives the third rotating shaft 50 to rotate in the transverse plate 49, the third rotating shaft 50 is also provided with the second gear 56, the second gear 56 rotates and drives the third gear 59 to rotate, the third gear 59 rotates and drives the fourth gear to rotate, the fourth gear rotates and drives the fourth rotating shaft 58 to rotate, the fourth rotating shaft 58 rotates and drives the mounting seat 63 to rotate through the two sliding columns 61, the mounting seat 63 drives the swinging rod 69 to rotate, the upper end of the swinging rod 69 is in contact with the inner wall of the fixed box 37, meanwhile, the third rotating shaft 50 rotates and drives the screw rod 52 to rotate, the screw rod 52 is in threaded connection with the threaded sleeve 53, the threaded sleeve 53 rotates along with the screw rod 52 to move downwards under the action of the sliding plate 54, the balls 55 arranged on the lower surface of the sliding plate 54 are always in contact with the mounting seat 63, the ball 55 drives the mounting base 63 to move downwards, the sliding column 61 slides downwards in the blind hole 60, the third spring 62 is stretched, when the upper end of the swinging rod 69 moves to the outside of the third opening, under the action of centrifugal force, the upper end of the swinging rod 69 gradually rotates towards the direction far away from the mounting base 63 until the two swinging rods 69 are parallel to the upper surface of the rotating platform 19, the second sliding block 66 slides on the second sliding rail 65, the fourth spring 68 is compressed, the third bristles 70 on the lower surface of the swinging rod 69 and the second bristles 64 on the lower surface of the mounting base 63 are in contact with the upper surface of the rotating platform 19, so as to clean the upper surface of the rotating platform 19, the distance between the mounting base 63 and the rotating platform 19 is gradually reduced, when the actual distance between the mounting base 63 and the rotating platform 19 reaches the preset distance, the second motor 38 reversely rotates, and the rotating speed is gradually reduced, the threaded sleeve 53 moves upwards on the screw 52, the mount pad 63 keeps away from the revolving stage 19 gradually, under the effect of fourth spring 68, the swinging arms 69 rotate to being close to the mount pad 63 direction, then withdraw to inside the fixed box 37 along with the mount pad 63, electric telescopic handle resets at last, accomplish the cleaning of cutting tool 12 and revolving stage 19, through setting up cleaning device, cleaning device all concentrates inside fixed box 37, the volume of cleaning device has been reduced, reduce the occupation of machining center body inner space, and, can accomplish the cleaning of cutting tool 12 and revolving stage 19 automatically, the degree of automation and the intelligent level of machining center body have been improved, through the cleaning of cutting tool 12 and revolving stage 19 simultaneously after finishing in processing, the cleanness on cutting tool 12 and revolving stage 19 surface has been guaranteed, the machining precision of machining center body has been improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A five-axis full closed-loop machining center is characterized by comprising: the machining center body, this internal X axle guide rail (1), Y axle guide rail (2), Z axle guide rail (3), A axle supporting seat (4) and C axle workstation (5) of setting up of machining center, set up first straight grating on X axle guide rail (1), set up the straight grating of second on Y axle guide rail (2), set up the straight grating of third on Z axle guide rail (3), set up first circle grating on A axle supporting seat (4), set up the second circle grating on C axle workstation (5).

2. The five-axis full closed-loop machining center according to claim 1, characterized in that a base (6) is arranged in the machining center body, fixing plates (7) are symmetrically arranged on the left side and the right side of the upper surface of the base (6), two Y-axis guide rails (2) are arranged, the two Y-axis guide rails (2) are respectively arranged on the upper surfaces of the fixing plates (7) on the two sides, a first sliding table (8) is arranged on the Y-axis guide rails (2) in a sliding manner, the first sliding table (8) horizontally slides back and forth along the Y-axis guide rails (2), the two ends of the first sliding table (8) are respectively connected with the Y-axis guide rails (2) on the two sides in a sliding manner, the X-axis guide rails (1) are arranged on the front side wall of the first sliding table (8), the X-axis guide rails (1) are perpendicular to the Y-axis guide rails (2), a second sliding table (9) is arranged on the X-axis guide rails (1) in a sliding manner, second slip table (9) are followed horizontal slip is controlled in X axle guide rail (1), the vertical setting of Z axle guide rail (3) is in lateral wall before second slip table (9), Z axle guide rail (3) with X axle guide rail (1) Z axle guide rail (3) mutually perpendicular, it sets up mounting bracket (10) to slide on Z axle guide rail (3), mounting bracket (10) are followed Z axle guide rail (3) are vertical slides from top to bottom, set up main shaft (11) in mounting bracket (10), main shaft (11) lower extreme sets up cutting tool (12).

3. The five-axis full closed-loop machining center according to claim 2, wherein the second sliding table (9) and the mounting frame (10) are driven by linear motors, and the first sliding table (8) is driven by a double linear motor.

4. The five-axis full closed-loop machining center according to claim 2, characterized in that the spindle (11) is of a built-in design, a motor structure (13) is arranged in the spindle (11), a temperature management device is further arranged in the spindle (11), the temperature management device comprises a cooling pipeline (14), and cooling oil is arranged in the cooling pipeline (14).

5. The five-axis full closed-loop machining center according to claim 2, wherein two fixing plates (7) are provided with fixing blocks (15) at front ends thereof, the lower surface of each fixing block (15) is fixedly connected with the upper surface of the base (6), the lower surface of each A-axis supporting seat (4) is fixedly connected with the upper surface of each fixing block (15), the C-axis worktable (5) is arranged between the two A-axis supporting seats (4), the A-axis supporting seat (4) faces one side of the C-axis worktable (5) and is provided with an A-axis rotating shaft (16), one end of the A-axis rotating shaft (16) is rotatably connected with the A-axis supporting seat (4), and the other end of the A-axis rotating shaft (16) is fixedly connected with the side wall of the C-axis worktable (5).

6. The five-axis full closed-loop machining center according to claim 5, wherein a driving motor (17) is arranged in the C-axis workbench (5), a driving shaft (18) is arranged at an output end of the driving motor (17), an upper end of the driving shaft (18) extends above the C-axis workbench (5) and is provided with a rotating table (19), the driving motor (17) drives the rotating table (19) to rotate through the driving shaft (18), and a driving assembly is arranged in one of the A-axis supporting seats (4) and is used for driving the A-axis rotating shaft (16) to rotate.

7. The five-axis full closed-loop machining center according to claim 1, characterized in that a protective shell (20) is arranged outside the machining center body, and a visual window is arranged on the protective shell (20).

8. The five-axis full closed-loop machining center according to claim 1, characterized in that the X-axis guide rail (1), the Y-axis guide rail (2) and the Z-axis guide rail (3) are all roller type guide rails.

9. The five-axis full closed-loop machining center according to claim 6, further comprising a chip suction device, wherein the chip suction device comprises:

the rubber blocks (21) are arranged on one side, facing the rotating table (19), of the C-axis workbench (5), the number of the rubber blocks (21) is two, the side wall of each rubber block (21) is fixedly connected with the side wall of the C-axis workbench (5), and a sliding groove is formed in one side, far away from the C-axis workbench (5), of each rubber block (21);

the rotating ring (22) is arranged between the two rubber blocks (21), the rotating ring (22) is annular, the rotating ring (22) is connected with the rubber blocks (21) in a sliding mode through the sliding grooves, the shapes of the sliding grooves are matched with the periphery of the rotating ring (22), the inner diameter of the rotating ring (22) is larger than the radius of the rotating table (19), a chip suction device (23) is arranged on the inner wall of the rotating ring (22), and a chip suction port of the chip suction device (23) is aligned to the upper surface of the rotating table (19);

the protective cover (24) is arranged on the upper surface of the rotating ring (22), the lower end of the protective cover (24) is fixedly connected with the upper surface of the rotating ring (22), the inner diameter of the protective cover (24) is larger than the radius of the rotating table (19), and annular ratchet teeth (25) are arranged on the outer wall of the protective cover (24);

the mounting plate (26) is arranged on the front side wall of the C-axis workbench (5), a first motor (27) is arranged on the mounting plate (26), and a rotary disc (28) is arranged at the output end of the first motor (27);

first slide rail (29), first slide rail (29) set up mounting panel (26) upper surface, first slide rail (29) are on a parallel with X axle guide rail (1), slide on first slide rail (29) and set up first slider (30), first slider (30) are followed first slide rail (29) horizontal slip, first slider (30) upper surface sets up rectangle frame (31), rectangle frame (31) orientation ratchet tooth (25) one side sets up the opening, it sets up push pedal (32) to slide in rectangle frame (31), push pedal (32) are close to ratchet tooth (25) one end is passed the opening and with ratchet tooth (25) contact, push pedal (32) with ratchet tooth (25) contact surface with ratchet tooth (25) looks adaptation, the push pedal (32) other end sets up first spring (33), first spring (33) one end with push pedal (32) are kept away from fixed even tooth (25) one end is fixed The other end of the first spring (33) is fixedly connected with the inner wall of the rectangular frame (31);

first connecting rod (34), first connecting rod (34) set up first slider (30) are close to first motor (27) one end, first connecting rod (34) one end with first slider (30) lateral wall fixed connection, second connecting rod (35) other end sets up second connecting rod (35), second connecting rod (35) one end with first connecting rod (34) are articulated to be connected, second connecting rod (35) other end with carousel (28) upper surface eccentric position is articulated to be connected.

10. The five-axis full closed-loop machining center according to claim 6, further comprising an automatic telescopic rod (36), wherein the automatic telescopic rod (36) is arranged on the inner wall of the fixed plate (7), a fixed box (37) is arranged at one end, away from the fixed plate (7), of the automatic telescopic rod (36), a second opening is arranged at the upper end of the fixed box (37), a third opening is arranged at the lower end of the fixed box (37), and a cleaning device is arranged inside the fixed box (37), and the cleaning device comprises:

the second motor (38) is arranged inside the fixed box (37), the second motor (38) is fixedly connected with the inner wall of the left upper part of the fixed box (37), the output end of the second motor (38) is provided with a first rotating shaft (39), and a first bevel gear (40) and a second bevel gear (41) are sequentially arranged on the first rotating shaft (39) from left to right;

the second rotating shaft (42) is arranged on the right of the first rotating shaft (39), two ends of the second rotating shaft (42) are respectively and rotatably connected with the inner walls of the front side and the rear side of the fixed box (37), a third bevel gear (43) and a first gear (44) are sequentially arranged on the second rotating shaft (42) from front to back, the third bevel gear (43) is meshed with the second bevel gear (41), and the first gear (44) is arranged as an incomplete gear;

the sliding box (45) is connected with the second opening in a sliding mode, a fourth opening is formed in the upper end of the sliding box (45) and is in a conical shape, a plurality of first bristles are arranged on the inner wall of the sliding box (45), a rack matched with the first gear (44) in tooth form is arranged on the left side wall of the sliding box (45), and the rack is intermittently meshed with the first gear (44);

the baffle (46), the baffle (46) is arranged on the right side wall of the sliding box (45), one end of the baffle (46) is fixedly connected with the right side wall of the sliding box (45), the other end of the baffle (46) is slidably connected with the right inner wall of the fixed box (37), a second spring (47) is arranged on the upper surface of the baffle (46), one end of the second spring (47) is fixedly connected with the upper surface of the baffle (46), and the other end of the second spring (47) is fixedly connected with the inner wall of the upper end of the fixed box (37);

a transverse plate (49), the transverse plate (49) is arranged below the second motor (38), the front end and the rear end of the transverse plate (49) are fixedly connected with the inner walls of the front side and the rear side of the fixing box (37) respectively, a through hole is arranged in the transverse plate (49), a bearing (48) is arranged in the through hole, a third rotating shaft (50) is arranged in the bearing (48), the outer ring of the third rotating shaft (50) is fixedly connected with the inner ring of the bearing (48), one end of the third rotating shaft (50) extends to the position above the transverse plate (49) and is provided with a fourth bevel gear (51), the fourth bevel gear (51) is meshed with the first bevel gear (40), the other end of the third rotating shaft (50) extends to the position below the transverse plate (49) and is provided with a screw rod (52), a threaded sleeve (53) is sleeved on the screw rod (52), and the threaded sleeve (53) is in threaded transmission connection with the screw rod (52), a sliding plate (54) is arranged at one end, far away from the transverse plate (49), of the threaded sleeve (53), the sliding plate (54) slides up and down along the inner wall of the fixed box (37), one end of the sliding plate (54) is connected with the inner wall of the left side of the fixed box (37) in a sliding mode, and a ball (55) is arranged on the lower surface of the other end of the sliding plate (54);

a second gear (56), wherein the second gear (56) is arranged at the lower end of the third rotating shaft (50);

the supporting plate (57), the supporting plate (57) is arranged below the sliding box (45), and the outer wall of the supporting plate (57) is fixedly connected with the inner wall of the fixed box (37);

a fourth rotating shaft (58), the fourth rotating shaft (58) is perpendicular to the supporting plate (57), the upper end of the fourth rotating shaft (58) is rotatably connected with the lower surface of the supporting plate (57), a third gear (59) is arranged at a position, close to the upper end, of the fourth rotating shaft (58), the third gear (59) is meshed with the second gear (56), two blind holes (60) are symmetrically arranged in the fourth rotating shaft (58), the lower end of each blind hole (60) is communicated with the lower portion of the fourth rotating shaft (58), a sliding column (61) is slidably arranged in each blind hole (60), one end of each sliding column (61) is provided with a third spring (62), the upper end of each third spring (62) is fixedly connected with the inner wall of the upper end of each blind hole (60), the lower end of each sliding column (61) extends to the outside of the fourth rotating shaft (58) and is provided with a mounting seat (63), the upper surface of the mounting seat (63) is in contact with the ball (55), a plurality of second bristles (64) are arranged on the lower surface of the mounting seat (63);

the two second sliding rails (65) are symmetrically arranged on the left side wall and the right side wall of the mounting seat (63), a second sliding block (66) is arranged on the second sliding rails (65) in a sliding mode, the second sliding block (66) slides up and down along the second sliding rails (65), a stop block (67) is arranged at the lower end of each second sliding rail (65), a fourth spring (68) is arranged between the stop block (67) and the second sliding block (66), one end of the fourth spring (68) is fixedly connected with the lower surface of the second sliding block (66), and the other end of the fourth spring (68) is fixedly connected with the upper surface of the stop block (67);

the two swing rods (69) are symmetrically arranged on the left side and the right side of the mounting seat (63), one end of each swing rod (69) is located below the stop block (67) and is hinged with the side wall of the mounting seat (63), the other end of each swing rod (69) is in contact with the inner wall of the fixed box (37), and third bristles (70) are arranged on one side, facing the rotating platform (19), of each swing rod (69);

connecting rod (71), connecting rod (71) set up swing lever (69) with between second slider (66), connecting rod (71) one end with second slider (66) lateral wall is articulated to be connected, connecting rod (71) other end with swing lever (69) lateral wall is articulated to be connected.