High-precision composite machine tool for special-shaped surface machining

Abstract

The invention discloses a high-precision compound machine tool for special-shaped surface machining, and belongs to the technical field of compound machine tools, the high-precision compound machine tool comprises a machine tool body, a spindle box and a machining seat are fixedly connected to the interior of the machine tool body, and a mounting seat is fixedly connected to the side, away from the machine tool body, of the spindle box. According to the device, a driving motor drives a rotating shaft, a first gear, a fluted disc, a plurality of second gears, a connecting shaft and a lead screw to rotate, a threaded sleeve drives a vertical plate, a connecting base, a connecting plate, a hydraulic cylinder and clamping bases to move, a to-be-machined workpiece is synchronously mounted and fixed through the multiple clamping bases, and the rapid mounting effect of a machine tool in the using process is effectively improved; when the to-be-machined workpiece is a special-shaped workpiece, the hydraulic cylinder drives the clamping bases to move, the center positions, relative to the fixing disc, of the multiple clamping bases are adjusted, and then the multiple clamping bases make contact with the surface of the to-be-machined workpiece of the special-shaped workpiece for installation in cooperation with the action of the driving motor. And therefore, the flexibility and the practicability of the machine tool in the using process are effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of compound machine tools, and in particular relates to a high-precision compound machine tool for machining special-shaped surfaces. Background Art

[0002] A compound machine tool refers to a machine tool that can complete or complete as much as possible the processing of multiple elements from blanks to finished products on a single host machine. In the process of processing the workpiece, milling cutters and turning tools are used in a unified manner to enable the equipment to implement a variety of processing techniques. In this process, different tools need to be replaced according to different process requirements. Compound machine tools are generally CNC machine tools or machining centers, that is, compound CNC machine tools or compound machining centers.

[0003] For example, the vertical compound processing machine tool disclosed in the Chinese patent document (CN117086630B) belongs to the technical field of lathes. An integrated disc seat is rotatably installed on an XZ sliding mechanism. A tool magazine and a processing part are installed on the integrated disc seat. The tool magazine is arc-shaped and rotatably installed. The processing part includes a turning and milling mechanism and a telescopic drive mechanism for controlling the turning and milling mechanism to slide radially along the integrated disc seat. When changing the tool, the turning and milling mechanism retracts and then controls the tool magazine to rotate, and then controls the turning and milling mechanism to advance, so that the tool included in the turning and milling mechanism is unloaded into the tool groove included in the vacant position of the tool magazine, and the tool magazine is continuously controlled to rotate, and the turning and milling mechanism is advanced so that the front end of the tool shaft is equipped with a specified tool. During turning and milling, the tool magazine is reset, the turning and milling mechanism advances, and the tool shaft and the tool extend out of the integrated disc seat. By integrating the tool magazine, the turning and milling mechanism and the telescopic drive mechanism on the integrated disc seat, on the one hand, the functional requirements of the tool in turning, milling and drilling are met, and on the other hand, the tool change structure and process can be integrated and optimized to reduce space occupancy and structural redundancy. However, during the use of this equipment, when it is processing the special-shaped surface of the workpiece, its spindle is often fixed by a three-jaw chuck. When the workpiece to be processed is a special-shaped part, the fixing effect is poor, which will affect the processing quality of the product. Therefore, improvement is needed. Summary of the invention

[0004] The purpose of the present invention is to propose a high-precision composite machine tool for processing special-shaped surfaces in order to solve the problem that in the process of using the prior art, when processing the special-shaped surface of the workpiece, the spindle is often fixed by a three-jaw chuck, and when the workpiece to be processed is a special-shaped part, the fixing effect is poor, which will affect the processing quality of the product.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A high-precision composite machine tool for machining special-shaped surfaces, comprising a bed, wherein a spindle box and a machining seat are fixedly connected inside the bed, wherein a mounting seat is fixedly connected to the side of the spindle box away from the bed, wherein a fixed plate is arranged inside the mounting seat, wherein a mounting assembly is arranged inside the fixed plate, wherein a clamping and laminating assembly and a cleaning and protection assembly are respectively arranged on one side of the mounting assembly;

[0007] The mounting assembly includes a toothed disk rotatably connected to the inside of a fixed disk, a plurality of second gears are arranged in an equiangular circular array on the top of the toothed disk, a connecting shaft is fixedly connected to the inside of the second gear, a lead screw is fixedly connected to one end of the connecting shaft, a threaded sleeve is threadedly connected to the outer peripheral side of the lead screw, a vertical plate is fixedly connected to the other side of the threaded sleeve, the other side of the vertical plate extends to the outer peripheral side of the fixed disk and is fixedly connected to a connecting seat, the other side of the connecting seat is fixedly connected to a connecting plate, the opposite sides of the plurality of connecting plates are fixedly connected to a hydraulic cylinder, and one end of the output shaft of the hydraulic cylinder extends to the center direction of the fixed disk and is fixedly connected to a clamping seat.

[0008] As a further description of the above technical solution:

[0009] A first gear is meshedly connected to one side of the top of the toothed disc. The first gear is arranged between two adjacent second gears. A rotating shaft is fixedly connected inside the first gear.

[0010] As a further description of the above technical solution:

[0011] The end of the rotating shaft away from the first gear is fixedly connected with a driving motor, and the driving motor is fixedly connected to the inner wall of the fixing plate through a second fixing seat.

[0012] As a further description of the above technical solution:

[0013] The end of the connecting shaft away from the screw is rotatably connected to the inside of the fixed disk through a bearing, and the outer peripheral side of the other side of the connecting shaft is rotatably connected to a first fixed seat, the other side of the first fixed seat is fixedly connected to the inner wall of the fixed disk, and the cross-sectional shape of the clamping seat is set to be concave.

[0014] As a further description of the above technical solution:

[0015] A plurality of first rectangular through holes are provided inside the fixed plate, and the first rectangular through holes are arranged on the side away from the mounting seat, and the vertical plate is slidably connected inside the first rectangular through holes, and first protective layers are fixedly connected on both sides of the vertical plate, and the other side of the first protective layer is fixedly connected to the inner wall of the fixed plate, and the first protective layer is arranged inside the first rectangular through holes.

[0016] As a further description of the above technical solution:

[0017] A second rectangular through hole is opened on one side of the processing seat, and a horizontal linear module is arranged on the top side of the processing seat. A sliding block is fixedly connected to one side of the horizontal linear module, and the other side of the sliding block extends to the outside of the processing seat and is fixedly connected to the rectangular seat. The sliding block is slidably connected to the inside of the second rectangular through hole, and a second protective layer is fixedly connected on both sides of the sliding block, and the other side of the second protective layer is fixedly connected to the inner wall of the processing seat.

[0018] As a further description of the above technical solution:

[0019] A vertical linear module is arranged inside the rectangular seat, one side of the vertical linear module is connected to a rotating seat via a connecting block, the rotating seat is slidably connected inside the rectangular seat via a slider and a slide groove, a rotating motor is arranged inside the rotating seat, the output end of the rotating motor extends to the outside of the rotating seat and is provided with a main shaft and its driving mechanism.

[0020] As a further description of the above technical solution:

[0021] The cam is provided with a plurality of springs, each of which is provided with a plurality of springs, each of which is provided with a plurality of springs which are respectively provided with a plurality of springs and a plurality of springs.

[0022] As a further description of the above technical solution:

[0023] The cleaning protection component includes an airbag, the cross-sectional shape of the airbag is set to be rectangular, the two sides of the airbag are respectively fixedly connected to one side of the clamping seat and one side of the connecting plate, and the airbag is sleeved on the outer peripheral side of the hydraulic cylinder output shaft.

[0024] As a further description of the above technical solution:

[0025] One side of the airbag is connected to an air inlet pipe, and the other side of the airbag is connected to an air outlet pipe. Both the air outlet pipe and the air inlet pipe are provided with one-way valves, and the other end of the air outlet pipe is connected to a cavity, and one side of the cavity is connected to multiple one-way air outlets, the one-way air outlets and the cavity are both located inside the fixed frame, and the one-way air outlets are located on one side of the spring.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0027] 1. In the present invention, through the installation assembly, the driving motor drives the rotating shaft, the first gear, the gear plate, the multiple second gears, the connecting shaft and the lead screw to rotate, so that the threaded sleeve drives the vertical plate, the connecting seat, the connecting plate, the hydraulic cylinder and the clamping seat to move at the same time, and the workpiece to be processed is synchronously installed and fixed by multiple clamping seats, which effectively improves the rapid installation effect of the machine tool during use. When the workpiece to be processed is a special-shaped part, the clamping seat is driven to move by the hydraulic cylinder, and the center position of the multiple clamping seats relative to the fixed plate is adjusted, and then the action of the driving motor is cooperated to enable the multiple clamping seats to achieve the contact installation effect with the surface of the workpiece to be processed of the special-shaped part, thereby effectively improving the flexibility and practicality of the machine tool during use. This product can select its installation and fixing method according to actual needs, so that the product meets the installation and fixing requirements of different shapes and sizes, so as to ensure the fixing effect and processing quality of the workpiece in the subsequent processing of special-shaped surfaces.

[0028] 2. In the present invention, through the clamping and fitting components, when the hydraulic cylinder drives the clamping seat and the clamping block to move, the multiple clamping blocks will first contact the outer surface of the workpiece, and under the action of the outer surface of the workpiece, the multiple clamping blocks will squeeze the spring, and the outer surface of the workpiece will be adaptively clamped and fixed by the clamping blocks and the spring, and at the same time, the multiple clamping blocks will contact the outer surface of the workpiece at the same time, effectively ensuring the stability of the workpiece, and further reducing the jumping phenomenon of the workpiece during the composite processing process. At the same time, the clamping block will drive the limit block to move inside the sliding groove, and the stability of the limit block during the movement is guaranteed by the L-shaped sliding groove, and the longitudinal jumping phenomenon of the limit block and the clamping block during the movement is reduced. When the clamping block completes the contact and fixation of the outer surface of the workpiece, the cylinder drives the sliding seat, the plate and the multiple clamping blocks to move, and the use position of the limit block is fixed by the clamping block, so that the fixing state of the clamping block to the outer surface of the workpiece can be locked to prevent it from moving during the processing process, further improving the applicability and flexibility of the product during use.

[0029] 3. In the present invention, by setting up a cleaning and protection component, when the workpiece completes the processing of the special-shaped surface, the hydraulic cylinder drives the clamping seat to move and sprays the internal gas of the airbag into the fixed frame through the air outlet pipe, the cavity and multiple one-way air outlets, so as to clean the tiny waste chips and coolant entering the fixed frame. At this time, the rotation of the spindle box is cooperated to assist in removing the chips and waste chips inside the fixed frame during the processing, prevent the movement stability of the clamping block from being affected, ensure the stable fixation of the workpiece, and effectively guarantee the processing quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0031] Figure 2 It is a partial three-dimensional structural schematic diagram of the processing seat and the mounting seat in the present invention;

[0032] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the mounting base in the present invention;

[0033] Figure 4 For the present invention Figure 3 A local enlarged structural schematic diagram;

[0034] Figure 5 It is a schematic diagram of the internal three-dimensional structure of the fixed plate in the present invention;

[0035] Figure 6 It is a schematic diagram of the overall three-dimensional structure of the installation assembly in the present invention;

[0036] Figure 7 It is a schematic diagram of the overall three-dimensional structure of the clamping and laminating assembly in the present invention;

[0037] Figure 8 For the present invention Figure 7 A schematic diagram of the local enlarged structure at B;

[0038] Fig. 9 It is a schematic diagram of the three-dimensional structure of the sliding seat in the present invention;

[0039] Fig.10 For the present invention Fig. 9 Schematic diagram of the local enlarged structure at point C.

[0040] Legend:

[0041] 1. Bed; 2. Spindle box; 3. Mounting seat; 4. Fixed plate; 5. Mounting assembly; 501. Driving motor; 502. Rotating shaft; 503. First gear; 504. Toothed plate; 505. Second gear; 506. Threaded sleeve; 507. Vertical plate; 508. Connecting seat; 509. Connecting plate; 510. Hydraulic cylinder; 511. Clamping seat; 512. First fixing seat; 513. Second fixing seat; 514. Connecting shaft; 6. Clamping and fitting assembly; 601. Fixed frame ; 602, inner cavity; 603, cylinder; 604, sliding seat; 605, flat plate; 606, spring; 607, clamping block; 608, sliding groove; 609, limit block; 610, clamping block; 7, cleaning protection component; 701, air bag; 702, air inlet pipe; 703, air outlet pipe; 8, first rectangular through hole; 9, processing seat; 10, horizontal linear module; 11, rectangular seat; 12, vertical linear module; 13, rotating seat; 14, main shaft and its driving mechanism. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figure 1-Figure 10 The present invention provides a technical solution: a high-precision composite machine tool for processing special-shaped surfaces, including a bed 1, a spindle box 2 and a processing seat 9 are fixedly connected inside the bed 1, a mounting seat 3 is fixedly connected to the side of the spindle box 2 away from the bed 1, a fixed plate 4 is arranged inside the mounting seat 3, a mounting assembly 5 is arranged inside the fixed plate 4, and a clamping and fitting assembly 6 and a cleaning and protection assembly 7 are respectively arranged on one side of the mounting assembly 5.

[0044] The mounting assembly 5 includes a toothed disc 504 rotatably connected to the interior of the fixed disc 4, a plurality of second gears 505 are arranged in an equiangular circular array on the top of the toothed disc 504, a connecting shaft 514 is fixedly connected to the interior of the second gear 505, a lead screw is fixedly connected to one end of the connecting shaft 514, a threaded sleeve 506 is threadedly connected to the outer peripheral side of the lead screw, a vertical plate 507 is fixedly connected to the other side of the threaded sleeve 506, the other side of the vertical plate 507 extends to the outer peripheral side of the fixed disc 4 and is fixedly connected to a connecting seat 508, the other side of the connecting seat 508 is fixedly connected to a connecting plate 509, and the opposite sides of the plurality of connecting plates 509 are fixedly connected to hydraulic cylinders 510, and the hydraulic cylinders 510 are fixedly connected to the hydraulic cylinders 510. One end of the output shaft extends to the center direction of the fixed disk 4 and is fixedly connected to a clamping seat 511. One side of the top of the toothed disk 504 is meshedly connected to a first gear 503. The first gear 503 is arranged between two adjacent second gears 505. The first gear 503 is fixedly connected to a rotating shaft 502. The end of the rotating shaft 502 away from the first gear 503 is fixedly connected to a driving motor 501. The driving motor 501 is fixedly connected to the inner wall of the fixed disk 4 through a second fixed seat 513. The end of the connecting shaft 514 away from the lead screw is rotatably connected to the inside of the fixed disk 4 through a bearing, and the outer peripheral side of the other side of the connecting shaft 514 is rotatably connected to the first fixed seat 5 12, the other side of the first fixed seat 512 is fixedly connected to the inner wall of the fixed disk 4, the cross-sectional shape of the clamping seat 511 is set to be concave, a plurality of first rectangular through holes 8 are opened inside the fixed disk 4, the first rectangular through holes 8 are arranged on the side away from the mounting seat 3, the vertical plate 507 is slidably connected inside the first rectangular through hole 8, both sides of the vertical plate 507 are fixedly connected with a first protective layer, the other side of the first protective layer is fixedly connected to the inner wall of the fixed disk 4, and the first protective layer is arranged inside the first rectangular through hole 8, a second rectangular through hole is opened on one side inside the processing seat 9, and a horizontal linear module 10 is arranged on the top side inside the processing seat 9, and the horizontal linear module 10 is A sliding block is fixedly connected to one side of the processing seat 9, and the other side of the sliding block extends to the outside of the processing seat 9 and is fixedly connected to a rectangular seat 11. The sliding block is slidably connected to the inside of the second rectangular through hole, and a second protective layer is fixedly connected to both sides of the sliding block, and the other side of the second protective layer is fixedly connected to the inner wall of the processing seat 9. A vertical linear module 12 is arranged inside the rectangular seat 11, and one side of the vertical linear module 12 is connected to a rotating seat 13 through a connecting block. The rotating seat 13 is slidably connected to the inside of the rectangular seat 11 through a slider and a slide groove, and a rotating motor is arranged inside the rotating seat 13. The output end of the rotating motor extends to the outside of the rotating seat 13 and is provided with a spindle and its driving mechanism 14.

[0045] Specific implementation method: first, install the external tool changing mechanism at a suitable position inside the spindle box 2 and make it on one side relative to the center of the fixed disk 4, then place the workpiece to be processed between the multiple clamping seats 511, then start the driving motor 501, and drive the rotating shaft 502 and the first gear 503 to rotate through the driving motor 501, and use the linkage effect between the first gear 503 and the toothed disk 504 to transmit power to the toothed disk 504, so that the toothed disk 504 simultaneously drives the multiple second gears 505, the connecting shaft 514 and the lead screw to rotate, and then use the linkage effect between the lead screw and the threaded sleeve 506 to transmit power to the threaded sleeve 506, so that the threaded sleeve 506 drives the vertical plate 507, the connecting seat 508, and the connecting plate 509 , the hydraulic cylinder 510 and the clamping seat 511 move at the same time, and the workpiece to be processed is installed and fixed synchronously by multiple clamping seats 511, which effectively improves the rapid installation effect of the machine tool during use. When the workpiece to be processed is a special-shaped part, the hydraulic cylinder 510 is started according to actual needs, and the clamping seat 511 is driven by the hydraulic cylinder 510 to move, and the central position of the multiple clamping seats 511 relative to the fixed plate 4 is adjusted, and then the driving motor 501 is cooperated to make the multiple clamping seats 511 achieve the contact installation effect with the surface of the workpiece to be processed of the special-shaped part, thereby effectively improving the flexibility and practicality of the machine tool during use. This product can select its installation and fixing method according to actual needs to make the product meet the needs of different shapes and sizes. The installation and fixing requirements of the size are met to ensure the fixing effect and processing quality of the workpiece in the subsequent processing of the special-shaped surface. The shape of the clamping seat 511 can be selected according to actual needs. The contact pressure between the clamping seat 511 and the workpiece is monitored by a pressure sensor to ensure the stability of the machine tool during use. The machine tool performs composite processing such as turning and milling on the surface of the workpiece through the spindle and its driving mechanism 14 and the external tool changing mechanism. The horizontal linear module 10 drives the vertical linear module 12, the rotating seat 13 and the spindle and its driving mechanism 14 to move horizontally, while the vertical linear module 12 drives the rotating seat 13 and the spindle and its driving mechanism 14 to move vertically. The rotating motor inside the rotating seat 13 drives the spindle and its driving mechanism 14 Rotate to adjust the use angle of the spindle and its driving mechanism 14, so that the tools on the spindle and its driving mechanism 14 can process the workpiece in all directions and positions to improve the processing quality of the special-shaped surface of the workpiece, effectively improving the composite processing flexibility of the product during use, the second protective layer will protect the second rectangular through hole, and the first protective layer will protect the first rectangular through hole 8 to prevent the coolant and waste chips generated during the composite processing of the workpiece from entering the processing seat 9 and the fixed plate 4 to prevent corrosion and rust on its internal parts after long-term use, thereby helping to reduce the maintenance and replacement costs of its internal parts, and helping to ensure the stability and precision of the machine tool during use, thereby ensuring the processing quality of the machine tool.

[0046] The clamping and fitting component 6 includes a fixed frame 601, which is fixedly connected to the inside of the clamping seat 511. An inner cavity 602 is opened inside the fixed frame 601. A cylinder 603 is arranged on the top side of the inner cavity 602. The top of the cylinder 603 is fixedly connected to the inner wall of the fixed frame 601. One end of the output shaft of the cylinder 603 is fixedly connected to a sliding seat 604. The sliding seat 604 is slidably connected to the inside of the fixed frame 601. A plurality of flat plates 605 are linearly arrayed at the bottom of the sliding seat 604. A plurality of clamping blocks 607 are arranged between the plurality of flat plates 605. The clamping blocks 607 are slidably connected to the inside of the fixed frame 601. A spring 606 is fixedly connected to one side of the clamping block 607, and the other side of the spring 606 is fixedly connected to the inner wall of the fixed frame 601. Sliding grooves 608 are arranged on both sides of the clamping block 607. The sliding grooves 608 are communicated with the inner cavity 602, and the sliding grooves 608 are internally slidably connected with a limit block 609. One side of the limit block 609 is fixedly connected to the outer wall of the clamping block 607. A clamping block 610 is arranged above the limit block 609. The clamping block 610 is slidably connected inside the sliding groove 608, and one side of the clamping block 610 is fixedly connected to the outer wall of the flat plate 605. The cross-sectional shape of the sliding groove 608 is set to be L-shaped.

[0047] Specific implementation method: The hydraulic cylinder 510 drives the clamping seat 511 and the clamping block 607 to move. During this process, multiple clamping blocks 607 will first contact the outer surface of the workpiece, and under the action of the outer surface of the workpiece, multiple clamping blocks 607 will squeeze the spring 606, and the clamping blocks 607 and the spring 606 will realize adaptive clamping and fixing of the outer surface of the workpiece. At the same time, multiple clamping blocks 607 are in contact with the outer surface of the workpiece at the same time, which effectively ensures the stability of the workpiece and further reduces the jumping phenomenon of the workpiece during the composite processing process. At the same time, the clamping block 607 will drive the limit block 609 to move inside the sliding groove 608, and the stability of the limit block 609 during the movement is guaranteed by the L-shaped sliding groove 608. , reducing the longitudinal jumping phenomenon of the limit block 609 and the clamping block 607 during the movement. When the clamping block 607 completes the contact and fixation with the outer surface of the workpiece, the cylinder 603 is started according to actual needs, and the sliding seat 604 and the plate 605 are driven by the cylinder 603 to move inside the inner cavity 602. The linkage effect between the plate 605 and multiple clamping blocks 610 is utilized to transmit power to the clamping block 610, so that the clamping block 610 moves in the direction of the limit block 609, and the use position of the limit block 609 is fixed by the clamping block 610, so that the fixing state of the clamping block 607 on the outer surface of the workpiece can be locked to prevent it from moving during the processing process, further improving the applicability and flexibility of the product during use.

[0048] The cleaning and protection component 7 includes an airbag 701, the cross-sectional shape of which is set to be a rectangle, the two sides of the airbag 701 are respectively fixedly connected to one side of the clamping seat 511 and one side of the connecting plate 509, and the airbag 701 is sleeved on the outer peripheral side of the output shaft of the hydraulic cylinder 510, one side of the airbag 701 is connected to the air inlet pipe 702, and the other side of the airbag 701 is connected to the air outlet pipe 703, both the air outlet pipe 703 and the air inlet pipe 702 are provided with a one-way valve, and the other end of the air outlet pipe 703 is connected to a cavity, and one side of the cavity is connected to multiple one-way air outlets, the one-way air outlet and the cavity are both located inside the fixed frame 601, and the one-way air outlet is located on the side of the spring 606.

[0049] Specific implementation method: After the workpiece completes the processing of the special-shaped surface, the hydraulic cylinder 510 drives the clamping seat 511 to reset. At this time, the clamping seat 511 will squeeze the airbag 701, and the internal gas of the airbag 701 will be transported to the inside of the cavity through the air outlet pipe 703, and then sprayed into the fixed frame 601 through multiple one-way air outlets to clean the tiny waste chips and coolant entering the fixed frame 601. At this time, the rotation of the spindle box 2 is cooperated to assist in removing the chips and waste chips inside the fixed frame 601 during the processing process, prevent the movement stability of the clamping block 607 from being affected, ensure the stability of the workpiece, and effectively ensure the processing quality of the product.

[0050] Working principle: When in use, first install the external tool changing mechanism at a suitable position inside the spindle box 2, and make it on one side relative to the center of the fixed disk 4, then place the workpiece to be processed between the multiple clamping seats 511, and then start the drive motor 501, and drive the rotating shaft 502 and the first gear 503 to rotate through the drive motor 501, and use the linkage effect between the first gear 503 and the toothed disk 504 to transmit power to the toothed disk 504, so that the toothed disk 504 simultaneously drives the multiple second gears 505, the connecting shaft 514 and the lead screw to rotate, and then use the linkage effect between the lead screw and the threaded sleeve 506 to transmit power to the threaded sleeve 506, so that the threaded sleeve 506 drives the vertical plate 507, the connecting seat 508, the connecting plate 509, the hydraulic cylinder 510 and the clamping seat 511 to move simultaneously, and the workpiece to be processed is synchronously installed and fixed by multiple clamping seats 511. When the workpiece to be processed is a special-shaped part, the hydraulic cylinder 510 is started according to actual needs, and the clamping seat 511 is driven to move by the hydraulic cylinder 510, and the central position of the multiple clamping seats 511 relative to the fixed plate 4 is adjusted, and then the driving motor 501 is cooperated to make the multiple clamping seats 511 achieve the contact installation effect with the surface of the workpiece to be processed of the special-shaped part, so as to ensure the stability of the machine tool during use;

[0051] During this process, the multiple clamping blocks 607 will first contact the outer surface of the workpiece, and under the action of the outer surface of the workpiece, the multiple clamping blocks 607 will squeeze the spring 606, and the clamping blocks 607 and the spring 606 will realize adaptive clamping and fixing of the outer surface of the workpiece. At the same time, the clamping blocks 607 will drive the limit blocks 609 to move inside the sliding groove 608. When the clamping blocks 607 complete the contact and fixation of the outer surface of the workpiece, the cylinder 603 is started according to actual needs, and the sliding seat 604 and the plate 605 are driven by the cylinder 603 to move inside the inner cavity 602. The linkage effect between the plate 605 and the multiple clamping blocks 610 is utilized to transmit power to the clamping blocks 610, so that the clamping blocks 610 move in the direction of the limit blocks 609, and the use position of the limit blocks 609 is fixed by the clamping blocks 610, so as to ensure the fixing state of the clamping blocks 607 on the outer surface of the workpiece. Through the spindle and its The driving mechanism 14 and the external tool changing mechanism enable the machine tool to perform composite processing such as turning and milling on the surface of the workpiece. The horizontal linear module 10 drives the vertical linear module 12, the rotating seat 13 and the spindle and its driving mechanism 14 to move horizontally, while the vertical linear module 12 drives the rotating seat 13 and the spindle and its driving mechanism 14 to move vertically. The rotating motor inside the rotating seat 13 drives the spindle and its driving mechanism 14 to rotate, and the use angle of the spindle and its driving mechanism 14 is adjusted, so that the tool on the spindle and its driving mechanism 14 processes the workpiece in all directions and positions, so as to improve the processing quality of the special-shaped surface of the workpiece, and the second protective layer protects the second rectangular through hole, and the first protective layer protects the first rectangular through hole 8, so as to prevent the coolant and waste chips generated during the composite processing of the workpiece from entering the processing seat 9 and the fixed plate 4, so as to prevent corrosion and rust to its internal parts after long-term use;

[0052] When the workpiece has completed the processing of the special-shaped surface, the hydraulic cylinder 510 drives the clamping seat 511 to reset. At this time, the clamping seat 511 will squeeze the airbag 701, and the internal gas of the airbag 701 will be transported to the inside of the cavity through the outlet pipe 703, and then sprayed into the inside of the fixed frame 601 through multiple one-way air outlets, so as to clean the waste chips, impurities and coolant entering the fixed frame 601, which is easy to use.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision composite machine tool for machining special-shaped surfaces, comprising a bed (1), characterized in that: The bed body (1) is fixedly connected with a spindle box (2) and a processing seat (9) respectively; the spindle box (2) is fixedly connected with a mounting seat (3) on a side away from the bed body (1); a fixed plate (4) is arranged inside the mounting seat (3); a mounting assembly (5) is arranged inside the fixed plate (4); a clamping and laminating assembly (6) and a cleaning and protection assembly (7) are respectively arranged on one side of the mounting assembly (5); The mounting assembly (5) comprises a toothed disc (504) rotatably connected to the interior of a fixed disc (4); a plurality of second gears (505) are arranged in an equiangular circular array on the top of the toothed disc (504); a connecting shaft (514) is fixedly connected to the interior of the second gear (505); a lead screw is fixedly connected to one end of the connecting shaft (514); a threaded sleeve (506) is threadedly connected to the outer peripheral side of the lead screw; a vertical plate (507) is fixedly connected to the other side of the threaded sleeve (506); the vertical plate (507) extends to the outer peripheral side of the fixed disc (4) and is fixedly connected to a connecting seat (508); the connecting seat (508) is fixedly connected to a connecting plate (509) on the other side; a plurality of connecting plates (509) are fixedly connected to hydraulic cylinders (510) on opposite sides; one end of an output shaft of the hydraulic cylinder (510) extends to the center direction of the fixed disc (4) and is fixedly connected to a clamping seat (511).

2. The high-precision composite machine tool for machining special-shaped surfaces according to claim 1, characterized in that: A first gear (503) is meshedly connected to one side of the top of the toothed disc (504); the first gear (503) is arranged between two adjacent second gears (505); and a rotating shaft (502) is fixedly connected inside the first gear (503).

3. A high-precision composite machine tool for machining special-shaped surfaces according to claim 2, characterized in that: The end of the rotating shaft (502) away from the first gear (503) is fixedly connected to a driving motor (501), and the driving motor (501) is fixedly connected to the inner wall of the fixed disk (4) via a second fixing seat (513).

4. The high-precision composite machine tool for machining special-shaped surfaces according to claim 3, characterized in that: The end of the connecting shaft (514) away from the lead screw is rotatably connected to the interior of the fixed disk (4) via a bearing, and the outer peripheral side of the other side of the connecting shaft (514) is rotatably connected to a first fixed seat (512), and the other side of the first fixed seat (512) is fixedly connected to the inner wall of the fixed disk (4), and the cross-sectional shape of the clamping seat (511) is set to be concave.

5. The high-precision composite machine tool for machining special-shaped surfaces according to claim 4, characterized in that: A plurality of first rectangular through holes (8) are provided inside the fixed disk (4), the first rectangular through holes (8) are arranged on a side away from the mounting seat (3), the vertical plate (507) is slidably connected inside the first rectangular through holes (8), both sides of the vertical plate (507) are fixedly connected with a first protective layer, the other side of the first protective layer is fixedly connected to the inner wall of the fixed disk (4), and the first protective layer is arranged inside the first rectangular through holes (8).

6. The high-precision composite machine tool for machining special-shaped surfaces according to claim 5, characterized in that: A second rectangular through hole is provided on one side of the interior of the processing seat (9), a horizontal linear module (10) is provided on the top side of the interior of the processing seat (9), a sliding block is fixedly connected to one side of the horizontal linear module (10), the other side of the sliding block extends to the outside of the processing seat (9) and is fixedly connected to a rectangular seat (11), the sliding block is slidably connected to the interior of the second rectangular through hole, and a second protective layer is fixedly connected to both sides of the sliding block, and the other side of the second protective layer is fixedly connected to the inner wall of the processing seat (9).

7. The high-precision composite machine tool for machining special-shaped surfaces according to claim 6, characterized in that: A vertical linear module (12) is arranged inside the rectangular seat (11); one side of the vertical linear module (12) is connected to a rotating seat (13) via a connecting block; the rotating seat (13) is slidably connected inside the rectangular seat (11) via a slider and a slide groove; a rotating motor is arranged inside the rotating seat (13); an output end of the rotating motor extends to the outside of the rotating seat (13) and is provided with a main shaft and a driving mechanism (14) thereof.

8. The high-precision composite machine tool for machining special-shaped surfaces according to claim 7, characterized in that: The clamping and fitting component (6) comprises a fixed frame (601), wherein the fixed frame (601) is fixedly connected to the inside of the clamping seat ((511)), wherein an inner cavity (602) is provided inside the fixed frame (601), wherein a cylinder (603) is arranged on the top side of the inner cavity (602), wherein the top of the cylinder (603) is fixedly connected to the inner wall of the fixed frame (601), wherein one end of the output shaft of the cylinder (603) is fixedly connected to a sliding seat (604), wherein the sliding seat (604) is slidably connected to the inside of the fixed frame (601), wherein a plurality of flat plates (605) are linearly arrayed at the bottom of the sliding seat (604), wherein a plurality of clamping blocks (607) are arranged between the plurality of flat plates (605), wherein the clamping blocks (607) are slidably connected to the fixed frame (601). Internally, one side of the clamping block (607) is fixedly connected to a spring (606), and the other side of the spring (606) is fixedly connected to the inner wall of the fixed frame (601). Both sides of the clamping block (607) are provided with sliding grooves (608), and the sliding grooves (608) are connected to the inner cavity (602), and the sliding grooves (608) are slidably connected to a limit block (609) inside, and one side of the limit block (609) is fixedly connected to the outer wall of the clamping block (607), and a clamping block (610) is arranged above the limit block (609), and the clamping block (610) is slidably connected inside the sliding groove (608), and one side of the clamping block (610) is fixedly connected to the outer wall of the plate (605), and the cross-sectional shape of the sliding groove (608) is set to be L-shaped.

9. The high-precision composite machine tool for machining special-shaped surfaces according to claim 8, characterized in that: The cleaning protection component (7) comprises an airbag (701), the cross-sectional shape of the airbag (701) is set to be rectangular, the two sides of the airbag (701) are respectively fixedly connected to one side of the clamping seat (511) and one side of the connecting plate (509), and the airbag (701) is sleeved on the outer peripheral side of the output shaft of the hydraulic cylinder (510).

10. A high-precision composite machine tool for machining special-shaped surfaces according to claim 9, characterized in that: One side of the airbag (701) is connected to an air inlet pipe (702), and the other side of the airbag (701) is connected to an air outlet pipe (703). Both the air outlet pipe (703) and the air inlet pipe (702) are provided with a one-way valve, and the other end of the air outlet pipe (703) is connected to a cavity, and one side of the cavity is connected to a plurality of one-way air outlets, and the one-way air outlets and the cavity are both located inside the fixed frame 601, and the one-way air outlets are located on one side of the spring 606.

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