Precision machining punching device with high precision

Abstract

The invention discloses a high-precision precision machining punching device, and relates to the technical field of laser shock drilling, the high-precision precision machining punching device comprises a fixed bottom table and a movable table, the bottom of the fixed bottom table is fixedly connected with a fixed assembly, the top of the fixed bottom table is provided with a Y-axis guide rail, and the top of the fixed bottom table is provided with a first mounting groove; and a Y-axis linear driver is arranged in the first mounting groove. According to the high-precision precision machining punching device, through cooperative use of X-axis linear drive, Y-axis linear drive and Z-axis linear drive, a workpiece can move in the three-coordinate direction, the position of the workpiece can be conveniently and accurately adjusted, machining strokes of N * 360 degrees around the Z axis and machining strokes of + 135 degrees to-135 degrees around the C axis are provided through cooperation of C-axis rotary drive and D-axis rotary drive, and the machining efficiency is improved. And a fourth axis and a fifth axis of light beam movement are provided for machining three-dimensional parts, three-dimensional five-axis machining can be carried out on workpieces, and therefore the machining requirements of various angles and positions are met, and the high-precision characteristic is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of laser impact drilling, in particular to a high-precision precision machining and drilling device. Background Art

[0002] The project of "R&D and Industrialization of Advanced Precision Manufacturing Equipment for Aircraft Engines" is a high-end equipment manufacturing project in the field of advanced manufacturing. The achievements involved in the project include internationally advanced aerospace laser impact drilling (LSD) equipment and technology, which is an engineering project that the industry urgently needs to break through. This product and technology is mainly used for precision air film hole processing of hot end components of aircraft engines, and has the characteristics of strong professionalism, strong comprehensive functions, and high difficulty in development. In this field, my country has long been restricted by the domestic industrial manufacturing level and has relied on imports.

[0003] Our project team has been deeply involved in the development of the industry for many years and has been engaged in the research of related technologies. We have accumulated rich experience and achievements in high-power laser technology, three-dimensional five-axis system design technology, laser impact drilling LSD technology, etc. Among them, the team leader Dr. Huang Bangcai has been engaged in the development of military high-power laser application technology for a long time, has more than 20 years of experience in the industry, has relevant research results, and has complete intellectual property rights and the strength and foundation for equipment development.

[0004] Therefore, the present invention is to study and improve the existing structure and its shortcomings, and provide a high-precision precision machining and punching device. Summary of the invention

[0005] The object of the present invention is to provide a high-precision precision machining and punching device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-precision precision machining punching device, comprising a fixed base and a movable base, the bottom of the fixed base is fixedly connected with a fixed component, and the top of the fixed base is provided with a Y-axis guide rail, the top of the fixed base is provided with a first mounting groove, and the interior of the first mounting groove is provided with a Y-axis linear drive, the movable base is installed on the top of the fixed base through the Y-axis linear drive, and the bottom of the movable base is fixedly connected with a Y-axis slider, and the top of the movable base is provided with an X-axis guide rail, the top of the movable base is provided with an X-axis linear drive, and the top of the movable base is provided with a drive box, the bottom of the drive box is fixedly connected with the X-axis slider, and ... A processing round table is connected to the top of the moving box, a control cabinet is embedded and installed on the top of the fixed base, and a storage slot is opened on the front of the control cabinet, a guide slot is opened on the inner side wall of the storage slot, and a Z-axis linear drive is arranged inside the storage slot, a movable frame is arranged inside the storage slot, and the left and right ends of the movable frame are located on the inner side of the guide slot, and the movable frame forms a sliding structure with the control cabinet through the guide slot, a connecting plate is fixedly connected to the front of the movable frame by screws, and a machine head is fixedly installed on the side of the connecting plate away from the movable frame, the bottom of the machine head is connected to a C-axis rotation drive, and the bottom end of the C-axis rotation drive is connected to a D-axis rotation drive, and a beam orientation is fixedly installed on the bottom end of the D-axis rotation drive.

[0007] Furthermore, the fixing assembly includes a support rod, an extension plate, a connecting strip, a fastening bolt, and a triangular brace. The top of the support rod is welded to the bottom of the fixed base, and the outer wall of the support rod is welded with an extension plate, and the top of the extension plate is penetrated and connected with a fastening bolt. The outer wall of the support rod is fixedly connected to the triangular brace, and the support rod is reinforced and connected to the fixed base through the triangular brace, and two adjacent support rods are kept connected by the extension plate.

[0008] Furthermore, the Y-axis linear drive includes a first motor, a first ball screw, and a first anti-backlash nut. The first motor is fixedly mounted inside the first mounting groove, and the output shaft of the first motor is fixedly connected to the first ball screw through a coupling, and one end of the first ball screw is movably connected to the inner wall of the first mounting groove through a bearing, and the first anti-backlash nut is sleeved on the first ball screw, and the first anti-backlash nut is threadedly connected to the first ball screw.

[0009] Furthermore, the Y-axis linear drive also includes a first connecting frame, the inner surface of the first connecting frame is fixedly connected to the outer wall of the first anti-backlash nut, and the upper surface of the first connecting frame is flush with the upper surface of the fixed base, and the first connecting frame is fixedly connected to the bottom of the movable platform by bolts.

[0010] Furthermore, the movable platform forms a sliding structure with the fixed base platform through the Y-axis slider and the Y-axis guide rail, and the Y-axis slider slides along the inner wall of the Y-axis guide rail, and the shape and size of the Y-axis slider completely match the shape and size of the Y-axis guide rail.

[0011] Furthermore, the X-axis linear drive includes a mounting frame, a second motor, a second ball screw, and a second anti-backlash nut. The bottom of the mounting frame is fixedly connected to the top of the movable table, and the second motor is fixedly installed on the inner surface of the mounting frame. The output shaft of the second motor is fixedly connected to the second ball screw through a coupling, and one end of the second ball screw is movably connected to the inner surface of the mounting frame through a bearing. The second ball screw is sleeved with a second anti-backlash nut, and the second ball screw is threadedly connected to the second anti-backlash nut.

[0012] Furthermore, the X-axis linear drive also includes a second connecting frame, the inner surface of the second connecting frame is fixedly connected to the outer wall of the second anti-backlash nut, and the second connecting frame is fixedly connected to the outer wall of the drive box by bolts.

[0013] Furthermore, the driving box includes a box shell, a driving motor, a driving bevel gear, a rotating column and a driven bevel gear. The driving motor is fixedly installed inside the box shell, and the output shaft of the driving motor is fixedly connected to the driving bevel gear through a coupling. The bottom end of the rotating column is movably connected to the inner bottom wall of the box shell through a bearing, and the outer wall of the rotating column is fixedly connected to the driven bevel gear, and the driven bevel gear is meshed with the driving bevel gear, and the top of the rotating column is fixedly connected to the bottom of the processing table.

[0014] Furthermore, the Z-axis linear drive includes a third motor, a third ball screw, a third anti-backlash nut and a third connecting frame. The third motor is fixedly installed inside the storage slot, and the output shaft of the third motor is fixedly connected to the third ball screw through a coupling, and one end of the third ball screw is movably connected to the inner top wall of the storage slot through a bearing, the outer wall of the third ball screw is threadedly connected to the third anti-backlash nut, and the outer wall of the third anti-backlash nut is fixedly connected to the third connecting frame, and the third connecting frame is fixedly connected to the back side of the movable frame through bolts.

[0015] Furthermore, the rotation stroke of the C-axis rotation drive is N*360 degrees around the Z axis, and the tilt stroke of the D-axis rotation drive is +135 to -135 degrees around the C axis.

[0016] The present invention provides a high-precision precision machining and punching device, which has the following beneficial effects:

[0017] 1. The present invention uses the X-axis linear drive, the Y-axis linear drive and the Z-axis linear drive in coordination, so that the workpiece can be moved in the three-coordinate directions, and the position of the workpiece can be adjusted conveniently and accurately. In conjunction with the C-axis rotation drive and the D-axis rotation drive, a processing stroke of N*360 degrees around the Z axis and +135 to -135 degrees around the C axis are provided respectively, providing the fourth and fifth axes of light beam movement for processing three-dimensional parts. At the same time, a drive box is also provided to control the rotation of the processing table. The improved punching device can perform three-dimensional five-axis processing on the workpiece, thereby meeting the processing requirements of various angles and positions, and has high-precision characteristics.

[0018] 2. The present invention provides a fixing component at the bottom of the fixed base, and the fixing component is composed of a support rod, an extension plate, a connecting strip, a fastening bolt, and a triangular brace. The structure strengthens the supporting effect of the support rod on the fixed base through the triangular brace, and strengthens the connection effect between the support rod and the concrete floor through the extension plate and the fastening bolt, and cooperates with the connecting strip to enhance the connection effect of adjacent support rods, so that the device is not prone to displacement and shaking during processing and has high stability. Moreover, since the device performs drilling operations through light beam orientation, the vibration force generated by itself is smaller than that of traditional mechanical drilling and opening, which further reduces the possibility of displacement of the workpiece during processing and can avoid processing errors caused by displacement of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-precision precision machining and punching device of the present invention;

[0020] Figure 2 It is a partial cross-sectional schematic diagram of the back side of a control cabinet of a high-precision precision machining punching device of the present invention;

[0021] Figure 3 A high-precision precision machining punching device according to the present invention Figure 2 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 4 It is a schematic diagram of the disassembly of the fixed base and movable platform structure of a high-precision precision machining punching device of the present invention;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of a fixed base of a high-precision precision machining punching device of the present invention;

[0024] Figure 6 A schematic diagram of the structure connection between a movable table and a driving box of a high-precision precision machining punching device of the present invention;

[0025] Figure 7 It is a schematic diagram of the cross-sectional structure of a box shell of a high-precision precision machining punching device of the present invention;

[0026] Figure 8 The present invention is a schematic diagram of a C-axis rotation drive-axis rotation drive stroke of a high-precision precision machining punching device.

[0027] In the figure: 1, fixed base; 2, fixed assembly; 201, support rod; 202, extension plate; 203, connecting strip; 205, triangular support; 204, fastening bolt; 3, Y-axis guide rail; 4, first mounting groove; 5, Y-axis linear drive; 501, first motor; 502, first ball screw; 503, first anti-backlash nut; 504, first connecting frame; 6, movable table; 7, Y-axis slider; 8, X-axis guide rail; 9, X-axis linear drive; 901, mounting frame; 902, second motor; 903, second ball screw; 904, second anti-backlash nut; 905, second connecting Frame; 10, drive box; 1001, box shell; 1002, drive motor; 1003, active bevel gear; 1004, rotating column; 1005, driven bevel gear; 11, X-axis slider; 12, processing round table; 13, control cabinet; 14, storage slot; 15, guide slot; 16, Z-axis linear drive; 1601, third motor; 1602, third ball screw; 1603, third anti-backlash nut; 1604, third connecting frame; 17, movable frame; 18, connecting plate; 19, machine head; 20, C-axis rotation drive; 21, D-axis rotation drive; 22, beam orientation. DETAILED DESCRIPTION

[0028] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] like Figure 1-Figure 6As shown, a high-precision precision machining punching device includes a fixed base 1 and a movable platform 6, the bottom of the fixed base 1 is fixedly connected with a fixed component 2, the fixed component 2 includes a support rod 201, an extension plate 202, a connecting strip 203, a fastening bolt 204, and a triangular support 205, the top of the support rod 201 is welded to the bottom of the fixed base 1, and the outer wall of the support rod 201 is welded with an extension plate 202, and the top of the extension plate 202 is penetrated and connected with the fastening bolt 204, the outer wall of the support rod 201 is fixedly connected with a triangular support 205, and the support rod 201 is reinforced and connected to the fixed base 1 through the triangular support 205, and two adjacent support rods 201 are kept connected through the extension plate 202, and the top of the fixed base 1 is provided with a Y-axis guide Rail 3, a first mounting groove 4 is opened on the top of the fixed base 1, and a Y-axis linear drive 5 is arranged inside the first mounting groove 4, the Y-axis linear drive 5 includes a first motor 501, a first ball screw 502, and a first anti-backlash nut 503, the first motor 501 is fixedly installed inside the first mounting groove 4, and the output shaft of the first motor 501 is fixedly connected to the first ball screw 502 through a coupling, and one end of the first ball screw 502 is movably connected to the inner wall of the first mounting groove 4 through a bearing, the first ball screw 502 is sleeved with a first anti-backlash nut 503, and the first anti-backlash nut 503 is threadedly connected to the first ball screw 502, the Y-axis linear drive 5 also includes a first connecting frame 504, the first connecting frame 504 The inner surface is fixedly connected to the outer wall of the first anti-backlash nut 503, and the upper surface of the first connecting frame 504 is flush with the upper surface of the fixed base 1, and the first connecting frame 504 is fixedly connected to the bottom of the movable platform 6 by bolts, the movable platform 6 is installed on the top of the fixed base 1 through the Y-axis linear drive 5, and the bottom of the movable platform 6 is fixedly connected with a Y-axis slider 7, and the top of the movable platform 6 is provided with an X-axis guide rail 8, the movable platform 6 forms a sliding structure with the fixed base 1 through the Y-axis slider 7 and the Y-axis guide rail 3, and the Y-axis slider 7 slides along the inner wall of the Y-axis guide rail 3, and the shape and size of the Y-axis slider 7 are completely matched with the shape and size of the Y-axis guide rail 3, and the top of the movable platform 6 is installed with an X-axis linear drive 9, and the X-axis linear drive 9 includes There are a mounting frame 901, a second motor 902, a second ball screw 903, and a second anti-backlash nut 904. The bottom of the mounting frame 901 is fixedly connected to the top of the movable table 6, and the second motor 902 is fixedly installed on the inner surface of the mounting frame 901. The output shaft of the second motor 902 is fixedly connected to the second ball screw 903 through a coupling, and one end of the second ball screw 903 is movably connected to the inner surface of the mounting frame 901 through a bearing. The second ball screw 903 is sleeved with a second anti-backlash nut 904, and the second ball screw 903 is threadedly connected to the second anti-backlash nut 904. The X-axis linear drive 9 also includes a second connecting frame 905, and the inner surface of the second connecting frame 905 is fixedly connected to the outer wall of the second anti-backlash nut 904.The second connecting frame 905 is fixedly connected to the outer wall of the driving box 10 by bolts, the driving box 10 is arranged on the top of the movable table 6, the bottom of the driving box 10 is fixedly connected to the X-axis slider 11, and the top of the driving box 10 is connected to the processing round table 12, the top of the fixed base 1 is embedded with a control cabinet 13, and the front of the control cabinet 13 is provided with a storage groove 14, the inner side wall of the storage groove 14 is provided with a guide groove 15, and the interior of the storage groove 14 is provided with a Z-axis linear drive 16, and the Z-axis linear drive 16 includes a third motor 1601, a third ball screw 1602, and a third anti-backlash The nut 1603 and the third connecting frame 1604, the third motor 1601 is fixedly installed inside the storage groove 14, and the output shaft of the third motor 1601 is fixedly connected to the third ball screw 1602 through a coupling, and one end of the third ball screw 1602 is movably connected to the inner top wall of the storage groove 14 through a bearing, the outer wall of the third ball screw 1602 is threadedly connected to the third anti-backlash nut 1603, and the outer wall of the third anti-backlash nut 1603 is fixedly connected to the third connecting frame 1604, and the third connecting frame 1604 is fixedly connected to the back side of the movable frame 17 through bolts;

[0030] The specific operation is as follows: the operator places the device on a solid concrete floor, and then uses the fastening bolts 204 to fix the extension plate 202 and the connecting strip 203 on the floor. After the device is fixed, the workpiece to be processed is placed on the processing round table 12, the equipment is started, and the drilling process begins. The first motor 501 drives the first ball screw 502 to rotate, so that it rotates relative to the first anti-backlash nut 503, and the first mounting slot 4 restricts the movement trajectory of the first anti-backlash nut 503, so that the first anti-backlash nut 503 can be translated under the rotation drive of the first ball screw 502, thereby driving the movable table 6 to translate along the Y-axis trajectory, and because the bottom of the movable table 6 is provided with a Y-axis slider 7, it will slide along the Y-axis guide rail 3 on the top of the fixed base 1 during the process, further improving the movement stability of the movable table 6. Similarly, the device is also provided with an X-axis linear drive 9 and a Z-axis linear drive 16, which can drive the workpiece to be processed placed on the processing table 12 to translate along the X-axis and Z-axis trajectories, so that the workpiece can move in the three-coordinate directions of X, Y, and Z axes, and the position of the workpiece can be adjusted conveniently and accurately, which brings convenience to the processing.

[0031] like Figure 1 , Figure 6 , Figure 7 and Figure 8As shown, a driving box 10 is arranged on the top of the movable table 6, and a processing truncated table 12 is connected to the top of the driving box 10, the driving box 10 comprises a box shell 1001, a driving motor 1002, an active bevel gear 1003, a rotating column 1004 and a driven bevel gear 1005, the driving motor 1002 is fixedly installed inside the box shell 1001, and the output shaft of the driving motor 1002 is fixedly connected to the active bevel gear 1003 through a coupling, the bottom end of the rotating column 1004 is movably connected to the inner bottom wall of the box shell 1001 through a bearing, and the outer wall of the rotating column 1004 is fixedly connected to the driven bevel gear 1005, and the driven bevel gear 1005 is meshed with the active bevel gear 1003, the top end of the rotating column 1004 is fixedly connected to the bottom of the processing truncated table 12, and a control cabinet 13 is embedded and installed on the top of the fixed base 1, and the control cabinet 13 A storage slot 14 is provided on the front side, a guide slot 15 is provided on the inner side wall of the storage slot 14, and a Z-axis linear drive 16 is provided inside the storage slot 14, a movable frame 17 is provided inside the storage slot 14, and the left and right ends of the movable frame 17 are located inside the guide slot 15, and the movable frame 17 forms a sliding structure with the control cabinet 13 through the guide slot 15, the front side of the movable frame 17 is fixedly connected with a connecting plate 18 by screws, and a machine head 19 is fixedly installed on the side of the connecting plate 18 away from the movable frame 17, the bottom of the machine head 19 is connected with a C-axis rotation drive 20, and the bottom end of the C-axis rotation drive 20 is connected with a D-axis rotation drive 21, and a beam orientation 22 is fixedly installed at the bottom end of the D-axis rotation drive 21, the rotation stroke of the C-axis rotation drive 20 is N*360 degrees around the Z axis, and the tilt stroke of the D-axis rotation drive 21 is +135 to -135 degrees around the C axis;

[0032] The specific operation is as follows: the driving motor 1002 drives the active bevel gear 1003 to rotate, and then the active bevel gear 1003 and the driven bevel gear 1005 are meshed and transmitted to drive the rotating column 1004 to rotate, thereby driving the processing table 12 to rotate, so as to rotate the workpiece in coordination with the punching process. At the same time, the C-axis rotation drive 20 can drive the light beam orientation 22 around the Z axis N*360 degrees, and the D-axis rotation drive 21 can drive the light beam orientation 22 around the C axis +135 to -135 degrees, providing the fourth and fifth axes of light beam movement for processing three-dimensional parts, and cooperating with the X-axis linear drive 9, the Y-axis linear drive 5 and the Z-axis linear drive 16, to realize three-dimensional five-axis processing of the workpiece, and significantly improve the accuracy of the punching process.

[0033] In summary, combined Figure 1-Figure 8As shown, the working principle of the high-precision precision machining punching device is as follows: first, place the device on a solid concrete floor, and use the fastening bolts 204 to fix the extension plate 202 and the connecting strip 203 on the ground to complete the device fixation; then place the workpiece to be processed on the processing truncated table 12, start the equipment, and drive the first motor 501 to rotate the first ball screw 502, so that it and the first anti-backlash nut 503 rotate relative to each other, and cooperate with the first mounting groove 4 to limit the movement trajectory of the first anti-backlash nut 503, so that the first anti-backlash nut 503 can be translated under the rotation drive of the first ball screw 502, thereby driving the movable table 6 to translate along the Y-axis trajectory, and in this process, the Y-axis slider 7 at the bottom of the movable table 6 will slide along the Y-axis guide rail 3 on the top of the fixed base 1, thereby improving the movement stability of the movable table 6. Similarly, through the X-axis linear drive 9 and the Z-axis linear drive 16, the workpiece to be processed placed on the processing table 12 can be driven to translate along the X-axis and Z-axis trajectories, so that the workpiece can move in the three coordinate directions of the X, Y, and Z axes, and the position of the workpiece can be adjusted conveniently and accurately. In addition, the driving motor 1002 drives the active bevel gear 1003 to rotate, and the active bevel gear 1003 and the driven bevel gear 1005 are meshed and driven to drive the rotating column 1004 to rotate, thereby driving the processing table 12 to rotate, so as to rotate the workpiece in coordination with the punching process. At the same time, the C-axis rotation drive 20 can drive the beam orientation 22 around the Z axis N*360 degrees, and the D-axis rotation drive 21 can drive the beam orientation 22 around the C axis +135 to -135 degrees, providing the fourth and fifth axes of beam movement for processing three-dimensional parts. In this process, the beam orientation 22 can be used to perform laser punching processing on the workpiece.

[0034] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A high-precision precision machining and punching device, comprising a fixed base (1) and a movable base (6), characterized in that: The bottom of the fixed base (1) is fixedly connected to a fixed component (2), and the top of the fixed base (1) is provided with a Y-axis guide rail (3), the top of the fixed base (1) is provided with a first installation groove (4), and a Y-axis linear drive (5) is arranged inside the first installation groove (4), the movable platform (6) is installed on the top of the fixed base (1) through the Y-axis linear drive (5), and the bottom of the movable platform (6) is fixedly connected to a Y-axis slider (7), and the top of the movable platform (6) is provided with an X-axis guide rail (8), the top of the movable platform (6) is installed with an X-axis linear drive (9), and the top of the movable platform (6) is provided with a drive box (10), the bottom of the drive box (10) is fixedly connected to an X-axis slider (11), and the top of the drive box (10) is connected to a processing round table (12), and a control cabinet (13) is installed on the top of the fixed base (1), A storage groove (14) is provided on the front of the control cabinet (13), a guide groove (15) is provided on the inner side wall of the storage groove (14), and a Z-axis linear drive (16) is arranged inside the storage groove (14), a movable frame (17) is arranged inside the storage groove (14), and the left and right ends of the movable frame (17) are located inside the guide groove (15), and the movable frame (17) forms a sliding structure with the control cabinet (13) through the guide groove (15), the front of the movable frame (17) is fixedly connected to a connecting plate (18) by screws, and a machine head (19) is fixedly installed on the side of the connecting plate (18) away from the movable frame (17), the bottom of the machine head (19) is connected to a C-axis rotation drive (20), and the bottom end of the C-axis rotation drive (20) is connected to a D-axis rotation drive (21), and the bottom end of the D-axis rotation drive (21) is fixedly installed with a beam orientation (22).

2. A high-precision precision machining and punching device according to claim 1, characterized in that: The fixing assembly (2) comprises a support rod (201), an extension plate (202), a connecting strip (203), a fastening bolt (204), and a triangular brace (205); the top of the support rod (201) is welded to the bottom of the fixed base (1), and the outer wall of the support rod (201) is welded with the extension plate (202), and the top of the extension plate (202) is penetrated and connected with the fastening bolt (204); the outer wall of the support rod (201) is fixedly connected with the triangular brace (205), and the support rod (201) is reinforced and connected to the fixed base (1) through the triangular brace (205), and two adjacent support rods (201) are kept connected through the extension plate (202).

3. A high-precision precision machining and punching device according to claim 1, characterized in that: The Y-axis linear drive (5) comprises a first motor (501), a first ball screw (502), and a first anti-backlash nut (503); the first motor (501) is fixedly mounted inside the first mounting groove (4); the output shaft of the first motor (501) is fixedly connected to the first ball screw (502) via a coupling; one end of the first ball screw (502) is movably connected to the inner wall of the first mounting groove (4) via a bearing; the first ball screw (502) is sleeved with a first anti-backlash nut (503), and the first anti-backlash nut (503) is threadedly connected to the first ball screw (502).

4. A high-precision precision machining and punching device according to claim 3, characterized in that: The Y-axis linear drive (5) also includes a first connecting frame (504), the inner surface of the first connecting frame (504) is fixedly connected to the outer wall of the first anti-backlash nut (503), and the upper surface of the first connecting frame (504) is flush with the upper surface of the fixed base (1), and the first connecting frame (504) is fixedly connected to the bottom of the movable platform (6) by bolts.

5. A high-precision precision machining and punching device according to claim 1, characterized in that: The movable platform (6) forms a sliding structure with the fixed base platform (1) through a Y-axis slider (7) and a Y-axis guide rail (3), and the Y-axis slider (7) slides along the inner wall of the Y-axis guide rail (3), and the shape and size of the Y-axis slider (7) completely match the shape and size of the Y-axis guide rail (3).

6. A high-precision precision machining and punching device according to claim 5, characterized in that: The X-axis linear drive (9) comprises a mounting frame (901), a second motor (902), a second ball screw (903), and a second anti-backlash nut (904); the bottom of the mounting frame (901) is fixedly connected to the top of the movable platform (6), and the second motor (902) is fixedly installed on the inner surface of the mounting frame (901); the output shaft of the second motor (902) is fixedly connected to the second ball screw (903) via a coupling, and one end of the second ball screw (903) is movably connected to the inner surface of the mounting frame (901) via a bearing; the second ball screw (903) is sleeved with a second anti-backlash nut (904), and the second ball screw (903) is threadedly connected to the second anti-backlash nut (904).

7. A high-precision precision machining and punching device according to claim 1, characterized in that: The X-axis linear drive (9) also includes a second connecting frame (905), the inner surface of the second connecting frame (905) is fixedly connected to the outer wall of the second anti-backlash nut (904), and the second connecting frame (905) is fixedly connected to the outer wall of the drive box (10) via bolts.

8. The high-precision precision machining and punching device according to claim 1, characterized in that: The driving box (10) comprises a box shell (1001), a driving motor (1002), a driving bevel gear (1003), a rotating column (1004) and a driven bevel gear (1005); the driving motor (1002) is fixedly installed inside the box shell (1001), and the output shaft of the driving motor (1002) is fixedly connected to the driving bevel gear (1003) via a coupling; the bottom end of the rotating column (1004) is movably connected to the inner bottom wall of the box shell (1001) via a bearing, and the outer wall of the rotating column (1004) is fixedly connected to the driven bevel gear (1005), and the driven bevel gear (1005) is meshed with the driving bevel gear (1003); the top end of the rotating column (1004) is fixedly connected to the bottom of the processing truncated table (12).

9. A high-precision precision machining and punching device according to claim 1, characterized in that: The Z-axis linear drive (16) comprises a third motor (1601), a third ball screw (1602), a third anti-backlash nut (1603) and a third connecting frame (1604); the third motor (1601) is fixedly mounted inside the storage slot (14); the output shaft of the third motor (1601) is fixedly connected to the third ball screw (1602) via a coupling; one end of the third ball screw (1602) is movably connected to the inner top wall of the storage slot (14) via a bearing; the outer wall of the third ball screw (1602) is threadedly connected to the third anti-backlash nut (1603); the outer wall of the third anti-backlash nut (1603) is fixedly connected to the third connecting frame (1604); and the third connecting frame (1604) is fixedly connected to the back side of the movable frame (17) via bolts.

10. The high-precision precision machining and punching device according to claim 1, characterized in that: The rotation stroke of the C-axis rotation drive (20) is N*360 degrees around the Z axis, and the tilt stroke of the D-axis rotation drive (21) is +135 to -135 degrees around the C axis.

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