Multi-station rotating disc type turning and milling combined machining center

Abstract

The invention provides a multi-station rotating disc type turning and milling combined machining center. The multi-station rotating disc type turning and milling combined machining center comprises a base and a rotating disc type machining table. A plurality of machining stations used for clamping workpieces are arranged on the rotating disc type machining table, and a feeding mechanism, at least one milling mechanism and at least one turning mechanism are arranged on the base. The milling mechanism comprises a horizontal servo sliding table, a vertical sliding seat and at least one milling saddle, the vertical sliding seat is mounted on the horizontal servo sliding table, the milling saddle is mounted on the vertical sliding seat in a sliding manner, a power head and a milling head are mounted at the end part of the milling saddle, and the milling head is mounted at the end part of the power head. According to the multi-station rotating disc type turn-milling composite machining center, one workpiece or multiple workpieces can be machined in each working procedure separately, simultaneous turn-milling drilling is achieved through the multi-channel numerical control system, all the working procedures are completed on the multi-station rotating disc type turn-milling composite machining center, the production efficiency is improved, the workpieces do not need to be frequently disassembled and reassembled between the steps, and the machining efficiency is improved. The workload is reduced, the machining efficiency is improved, and the machining precision and quality are guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of numerical control machine tools, in particular to a multi-station rotary table type turning and milling combined machining center. BACKGROUND

[0002] A numerical control machine tool is an automatic machine tool equipped with a program control system, which sends various control signals through operation processing by a numerical control device to control the movement of the machine tool, and automatically processes parts according to the shape and size required by the drawing. Numerical control machine tools have solved the problem of precision, small batch and multi-variety part processing, and represent the development direction of modern machine tool control technology, and are a typical mechatronics product.

[0003] At present, most of the known numerical control machine tools only have one function, such as a lathe only having turning function, a milling machine only having milling function, and a drilling machine only having drilling function. However, a workpiece usually needs to have multiple machining processes according to the requirements of the machining process. Since the machining position and angle of each process are different, multiple workers and multiple machine tools are needed when machining with ordinary numerical control machine tools. After completing a process on one machine tool, the workpiece needs to be disassembled and transferred to another machine tool for clamping and positioning. Such multiple clamping and positioning not only increases the workload and reduces the machining efficiency, but also affects the machining accuracy because the clamping and positioning cannot be guaranteed to be exactly the same each time.

[0004] In view of this, the applicant has conducted in-depth research on the above problems, and thus the present application is produced. SUMMARY

[0005] The present application solves the technical problems of the prior art that multiple numerical control machine tools are needed when machining workpieces, multiple clamping and positioning are needed, and the workload is large and the efficiency is low. The present application provides a multi-station rotary table type turning and milling combined machining center.

[0006] The present application is implemented as follows: a multi-station rotary table type turning and milling combined machining center, comprising a base and a rotary table type machining table, the rotary table type machining table is installed at the center of the base; a plurality of machining stations for clamping workpieces are provided on the rotary table type machining table, an upper feeding mechanism, at least one milling mechanism and at least one turning mechanism are provided on the base, the upper feeding mechanism, the milling mechanism and the turning mechanism are respectively and one-to-one corresponding to the plurality of machining stations; the milling mechanism comprises a horizontal servo sliding table, a vertical sliding seat and at least one milling sliding saddle, the vertical sliding seat is installed on the horizontal servo sliding table, the milling sliding saddle is slidingly installed on the vertical sliding seat, a power head and a milling head are installed at the end of the milling sliding saddle, and the milling head is installed at the end of the power head.

[0007] Further, the bottom of the rotating disc processing platform is provided with a rotating drive motor for driving the rotating disc processing platform to rotate, and the plurality of workstations are distributed in a circumferential array on the rotating disc processing platform.

[0008] Further, the vertical slide comprises a vertical column slide frame, a vertical column slide platform, and a longitudinal drive mechanism for driving the vertical column slide platform to ascend and descend; the vertical column slide platform is installed on one side of the vertical column slide frame through a first sliding assembly; an inner cavity is formed in the vertical column slide frame for the milling slide to ascend and descend and to move towards and away from the processing workstation; and the vertical column slide platform is formed with a through hole for the milling slide to pass through and be fixedly installed on the vertical column slide platform.

[0009] Further, the milling slide comprises a sleeve seat, a milling sleeve, and a milling motor; the sleeve seat is fixedly sleeved on the through hole; the milling sleeve is connected to the sleeve seat through a second sliding assembly; the milling motor is fixedly installed on one end of the milling sleeve away from the processing workstation; the milling motor is connected to the sleeve seat through a second screw rod assembly; the milling motor drives the milling sleeve to slide in the sleeve seat to approach or move away from the workpiece; and the power head and the milling head are installed on one end of the milling sleeve close to the workpiece.

[0010] Further, the longitudinal drive mechanism comprises a first longitudinal drive motor, a first screw rod, a first screw rod nut, and a nut seat; the first longitudinal drive motor is fixedly installed on the top of the vertical column slide frame and connected to the first screw rod; the first screw rod nut is sleeved on the outside of the first screw rod and fixedly installed on the nut seat; and the nut seat is fixedly connected to the vertical column slide platform; the first longitudinal drive motor drives the first screw rod to rotate, thereby driving the vertical column slide platform to ascend and descend along the vertical column slide frame.

[0011] Further, the milling mechanism comprises two milling slides.

[0012] Further, the turning mechanism comprises an X-axis servo slide, a Y-axis servo slide, a vertical column assembly, a first turning assembly, and a second turning assembly; the X-axis servo slide is installed on the base; the Y-axis servo slide is installed on the X-axis servo slide; the sliding directions of the Y-axis servo slide and the X-axis servo slide are perpendicular to each other; the vertical column assembly is fixedly installed on the Y-axis servo slide; a vertical slide is installed on one side of the vertical column assembly towards the workstation through a third sliding assembly; a second longitudinal drive motor for driving the vertical slide to ascend and descend is installed on the top of the vertical column assembly; the first turning assembly is fixedly installed on one side of the vertical slide towards the workstation; and the second turning assembly is installed on the bottom of the vertical slide through a fourth sliding assembly.

[0013] Further, the first turning assembly processes the workpiece in the vertical direction, and the first turning assembly comprises a first turning motor and a first turning head; the second turning box body is fixedly connected with the fourth sliding assembly to process the workpiece in the horizontal direction, and the second turning assembly comprises a second turning motor and a second turning head; the second turning assembly is finely adjusted in the vertical direction through the fourth sliding assembly.

[0014] Further, the first turning head comprises a first box body, a first multi-shaft spindle installed on the first box body, an outer tooth cover fixedly sleeved on the outside of the first multi-shaft spindle, a collet installed on the end portion of the first multi-shaft spindle, a turning forming cutter installed on the axis of the collet, and a nut threadedly installed on the end portion of the first multi-shaft spindle for fixing the collet; the second turning head has the same structure as the first turning head.

[0015] Further, the feeding mechanism comprises a right-angle frame, a longitudinal sliding table module and a transverse sliding table module; the right-angle frame is fixedly installed on the base, the longitudinal sliding table module is fixedly installed on the right-angle frame, the transverse sliding table module is slidingly installed on the longitudinal sliding table module, and the transverse sliding table module is provided with a mechanical hand for grabbing the workpiece.

[0016] The multi-station rotary table type turning-milling composite machining center can process one workpiece or multiple workpieces, each process is processed separately, simultaneous turning-milling-drilling is realized through a multi-channel numerical control system, all processes are completed on one multi-station rotary table type turning-milling composite machining center, production efficiency is improved, and the workpiece does not need to be frequently disassembled and reassembled between each step, work load is reduced, machining efficiency is improved, and machining precision and quality are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application will be further described below with reference to the embodiments and the accompanying drawings.

[0018] Figure 1 is a structural schematic view of the multi-station rotary table type turning-milling composite machining center in the application.

[0019] Figure 2 is a structural schematic view of the rotary table type machining table in the application.

[0020] Figure 3 is one of structural schematic views of the milling mechanism in the application.

[0021] Figure 4 is the second structural schematic view of the milling mechanism in the application.

[0022] Figure 5 is a structural schematic view of the milling slide saddle in the application.

[0023] Figure 6It is a structure schematic view of the milling mechanism with two milling slides in the application.

[0024] Figure 7 It is a structure schematic view of the turning mechanism in the application.

[0025] Figure 8 It is a sectional view of the first turning head in the application.

[0026] Figure 9 It is a partial structure schematic view of the first turning head in the application.

[0027] Figure 10 It is a structure schematic view of the feeding mechanism in the application.

[0028] Figure 11 It is a structure schematic view of another combined form of the multi-station rotary table type turning-milling combined machining center in the application.

[0029] Base 1, rotary table type machining table 2, rotary drive motor 21, feeding mechanism 3, right-angle frame 31, longitudinal sliding table module 32, transverse sliding table module 33, milling mechanism 4, horizontal servo sliding table 41, vertical sliding seat 42, vertical column sliding frame 421, vertical column sliding table plate 422, longitudinal drive mechanism 423, first sliding assembly 424, protective piece 425, first telescopic protective sleeve 4251, second telescopic protective sleeve 4252, milling slide 43, sleeve seat 431, milling sleeve 432, milling motor 433, second sliding assembly 434, second screw assembly 435, fixed seat 4351, second screw nut 4352, limiting block 4353, second screw 4354, power head 44, milling head 45, turning mechanism 5, X-axis servo sliding table 51, Y-axis servo sliding table 52, vertical column assembly 53, first turning assembly 54, first turning motor 541, first turning head 542, first box body 5421, multi-axis main shaft 5422, outer tooth cover 5423, collet 5424, turning forming cutter 5425, nut 5426, oil seal 5427, sealing ring 5428, second turning assembly 55, third sliding assembly 56, vertical sliding table 57, second longitudinal drive motor 58, fourth sliding assembly 59, dovetail sliding groove 591, dovetail sliding block 592.

[0030] Feeding station G1, first milling station G2, turning station G3, second milling station G4, third milling station G5. DETAILED DESCRIPTION

[0031] In order to better understand the technical solutions of the application, the technical solutions of the application will be described in detail below in combination with the drawings in the specification and specific embodiments.

[0032] Please refer to Figures 1 to 11As shown in the drawings, the present application provides a multi-station rotary table type turning and milling combined machining center, which comprises a base 1 and a rotary table type machining table 2, the rotary table type machining table 2 is installed at the center of the base 1; a plurality of machining stations for clamping workpieces are arranged on the rotary table type machining table 2, and the base 1 is provided with a feeding mechanism 3, at least one milling mechanism 4, and at least one turning mechanism 5, the feeding mechanism 3, the milling mechanism 4, and the turning mechanism 5 are respectively arranged in one-to-one correspondence with the plurality of machining stations; the milling mechanism 4 comprises a horizontal servo sliding table 41, a vertical sliding seat 42, and at least one milling sliding saddle 43, the vertical sliding seat 42 is fixedly installed on the middle of the upper surface of the horizontal servo sliding table 41, the milling sliding saddle 43 is slidingly installed on the vertical sliding seat 42, and a power head 44 and a milling head 45 are installed at the end of the milling sliding saddle 43, and the milling head 45 is installed at the end of the power head 44. The horizontal servo sliding table 41 drives the vertical sliding seat 42 to move horizontally, the milling sliding saddle 43 is lifted along the vertical sliding seat 42 to adjust the height of the milling head 45, and the milling sliding saddle 43 is used to drive the power head 44 and the milling head 45 to move towards or away from the workpiece. The milling mechanism 4 and the turning mechanism 5 realize the turning and milling integration of the combined machining center. At least one drilling mechanism can also be arranged on the base 1 according to needs.

[0033] As shown in the drawings, Figure 1 and 2 As shown in the drawings, the present application provides a 5-station rotary table type turning and milling combined machining center, the rotary table type machining table 2 comprises, in sequence from the counterclockwise direction, a feeding station G1, a first milling station G2, a turning station G3, a second milling station G4, and a third milling station G5; the feeding station is provided with a feeding mechanism 3 in correspondence, the first milling station is provided with a first milling mechanism 4 in correspondence, the turning station is provided with a turning mechanism 5 in correspondence, the second milling station is provided with a second milling mechanism 4 in correspondence, and the third milling station is provided with a third milling mechanism 4 in correspondence. After the first workpiece is placed in the feeding station by the feeding mechanism 3, the rotary table type machining table 2 is rotated counterclockwise, the first workpiece enters the first milling station for milling operation, at this moment, the feeding mechanism 3 places the second workpiece in the feeding station, when the first workpiece is subjected to milling operation by the third milling station, the rotary table type machining table 2 is rotated counterclockwise, and the first workpiece is taken out by the feeding mechanism 3 after returning to the feeding station, that is, the complete machining of one workpiece is completed, and the same is true for the other workpieces. The multi-station rotary table type turning and milling combined machining center of the present application can process each process of one workpiece or multiple workpieces separately, and realize simultaneous turning, milling and drilling in one multi-station rotary table type turning and milling combined machining center through a multi-channel numerical control system, thereby improving production efficiency, including feeding operation, turning operation, milling operation, and discharging operation, and the workpiece does not need to be frequently disassembled and reassembled between each step, thereby reducing workload, improving machining efficiency, and ensuring machining accuracy and quality.

[0034] In the present application, the bottom of the rotary table machining table 2 is provided with a rotary drive motor 21 for driving the rotary table machining table 2 to rotate, and a plurality of workstations are arranged in a circular array on the rotary table machining table 2. For example, a rotary table turning and milling combined machining center with 5 workstations, the rotary table machining table 2 rotates 72° at a time. The rotation angle of the rotary table machining table 2 is adjusted adaptively according to the number of machining workstations.

[0035] In the present application, a driving mechanism is arranged below the machining workstation for clamping or releasing the workpiece to be machined.

[0036] Referring to the drawings Figure 4 In the present application, the vertical slide 42 includes a vertical slide frame 421, a vertical slide table plate 422, and a longitudinal driving mechanism 423 for driving the vertical slide table plate 422 to ascend and descend; the vertical slide table plate 422 is installed on one side of the vertical slide frame 421 through a first sliding assembly 424, an inner cavity is formed through the vertical slide frame 421 for the milling slide saddle 43 to ascend and descend and to move back and forth towards the machining workstation, and the vertical slide table plate 422 is formed with a through hole for the milling slide saddle 43 to pass through and be fixedly installed on the vertical slide table plate 422. The first sliding assembly 424 includes a first sliding rail fixedly installed on the vertical slide frame 421 and a plurality of first sliding blocks fixedly installed on the vertical slide table plate 422. The vertical slide frame 421 is a rectangular vertical slide frame, and the inner cavity is a rectangular inner cavity.

[0037] Referring to the drawings Figure 3 As a preferred embodiment, the vertical slide 42 further includes a protective member 425, which includes a first telescopic protective sleeve 4251 and a second telescopic protective sleeve 4252, one end of the first telescopic protective sleeve 4251 is connected to the top of the vertical slide table plate 422, the other end is connected to the top of the vertical slide frame 421, one end of the second telescopic protective sleeve 4252 is connected to the bottom of the vertical slide table plate 422, and the other end is connected to the bottom of the vertical slide frame 421. By arranging the first telescopic protective sleeve 4251 and the second telescopic protective sleeve 4252 on the vertical slide 42, the side of the vertical slide 42 facing the machining workstation is sealed, which can prevent the debris generated during milling from entering the interior of the vertical slide 42, prevent the milling slide saddle 43, the first sliding assembly 424, the longitudinal driving mechanism 423 and other components from being jammed due to debris, and reduce the cleaning frequency and failure rate of the milling mechanism 4.

[0038] In the present application, the first telescopic protective sleeve 4251 and the second telescopic protective sleeve 4252 are both made of rubber material, which has good stretching and contraction effect and long service life.

[0039] Referring to the drawings Figure 5As shown in the present application, the milling saddle 43 comprises a sleeve base 431, a milling sleeve 432, and a milling motor 433. The sleeve base 431 is fixedly sleeved on the through hole. The milling sleeve 432 is connected to the sleeve base 431 through a second sliding assembly 434. The milling motor 433 is fixedly installed at the end of the milling sleeve 432 away from the machining station. The milling motor 433 is connected to the sleeve base 431 through a second screw rod assembly 435. The milling motor 433 drives the milling sleeve 432 to slide in the sleeve base 431 to approach or move away from the workpiece. The power head 44 and the milling head 45 are installed at the end of the milling sleeve 432 close to the workpiece. The second sliding assembly 434 comprises second sliding rails fixedly arranged on the outer wall of the milling sleeve 432 and a plurality of second sliding blocks fixedly arranged on the inner wall of the sleeve base 431. Through cooperation of the second sliding rails and the plurality of second sliding blocks, the milling sleeve 432 can slide along the inner wall of the sleeve base 431. The milling motor 433 is a servo motor. The second screw rod assembly 435 comprises a fixed seat 4351 fixedly arranged on the top of the sleeve base 431, a second screw rod nut 4352 fixedly sleeved in the fixed seat, a limiting block 4353, and a second screw rod 4354. The second screw rod 4354 is fixedly connected to the output end of the milling motor 433. The limiting block 4353 is fixedly connected to the second screw rod for controlling the farthest advancing distance of the milling saddle 43.

[0040] In the present application, the longitudinal driving mechanism 423 comprises a first longitudinal driving motor, a first screw rod, a first screw rod nut, and a nut seat. The first longitudinal driving motor is fixedly installed on the top of the column sliding frame 421 through a mounting seat and is connected to the first screw rod. The first screw rod nut is sleeved on the outer surface of the first screw rod and is fixedly installed on the nut seat. The nut seat is fixedly connected to the column sliding table plate 422. The first longitudinal driving motor drives the first screw rod to rotate, thereby driving the column sliding table plate 422 to ascend or descend along the column sliding frame 421. The first longitudinal driving motor is a servo motor.

[0041] As another specific embodiment, reference is made to the accompanying drawings Figure 6 As shown, in order to improve the milling efficiency, the milling mechanism 4 comprises two milling saddles 43. The end of any one of the milling saddles 43 is provided with a power head 44 and a milling head 45.

[0042] Reference is made to the accompanying drawings Figure 7As shown, the turning mechanism 5 comprises an X-axis servo sliding table 51, a Y-axis servo sliding table 52, a column assembly 53, a first turning assembly 54, and a second turning assembly 55. The X-axis servo sliding table 51 is mounted on the base 1, the Y-axis servo sliding table 52 is mounted on the X-axis servo sliding table 51, and the sliding directions of the Y-axis servo sliding table 52 and the X-axis servo sliding table 51 are perpendicular to each other. The X-axis servo sliding table 51 drives the column assembly 53 to move horizontally, and the Y-axis servo sliding table 52 drives the column assembly 53 to move towards or away from the machining station. The column assembly 53 is fixedly mounted on the Y-axis servo sliding table 52. A vertical sliding table 57 is mounted on one side of the column assembly 53 facing the station through a third sliding assembly 56. A second longitudinal drive motor 58 for driving the vertical sliding table 57 to move up and down is mounted on the top of the column assembly 53. The second longitudinal drive motor 58 is a servo motor. The first turning assembly 54 is fixedly mounted on one side of the vertical sliding table 57 facing the station. The second turning assembly 55 is mounted on the bottom of the vertical sliding table 57 through a fourth sliding assembly 59. The third sliding assembly 56 comprises a third sliding rail fixedly arranged on the column assembly 53 and a plurality of third sliding blocks fixedly arranged on the vertical sliding table 57. The fourth sliding assembly 59 comprises a dovetail sliding groove 591 fixedly arranged on the vertical sliding table 57 and a dovetail sliding block 592 fixedly arranged on the second turning assembly 55.

[0043] In the present application, the first turning assembly 54 is used for machining a workpiece in the vertical direction. The first turning assembly 54 comprises a first turning motor 541 and a first turning head 542. Figures 8-9 As shown, the first turning head 542 comprises a first box body 5421, a multi-axis spindle 5422 mounted on the first box body 5421, an outer tooth cover 5423 fixedly sleeved on the multi-axis spindle 5422, a collet 5424 mounted on the end of the multi-axis spindle 5422, a turning forming tool 5425 mounted on the axis of the collet 5424, an oil seal 5427, a sealing ring 5428, and a nut 5426 threadedly mounted on the end of the multi-axis spindle 5422 for fixing the collet 5424. The first box body 5421 is fixedly connected with the dovetail sliding block 592, and the first turning motor 541 is fixedly connected with the first box body 5421. The second turning box body is fixedly connected with the fourth sliding assembly 59 for machining a workpiece in the horizontal direction. The second turning assembly 55 comprises a second turning motor and a second turning head. The second turning assembly 55 is vertically adjusted through the fourth sliding assembly 59. The oil seal 5427 is mounted between the outer tooth cover 5423 and the multi-axis spindle 5422, and the sealing ring 5428 is mounted between the outer tooth cover 5423 and the first box body 5421. During assembly, the turning forming tool 5425 is first placed into the axis of the collet 5424, then the collet 5424 is assembled into the multi-axis spindle 5422, and finally the nut 5426 is threadedly connected with the multi-axis spindle 5422 to make the collet 5424 clamp the turning forming tool 5425.

[0044] The second turning head has the same structure as the first turning head 542.

[0045] In the present application, the feeding mechanism 3 comprises a right-angle frame 31, a longitudinal sliding table module 32 and a transverse sliding table module 33; the right-angle frame 31 is fixedly installed on the base 1, the longitudinal sliding table module 32 is fixedly installed on the right-angle frame 31, the transverse sliding table module 33 is slidingly installed on the longitudinal sliding table module 32, and a mechanical hand (not shown) for grabbing workpieces is arranged on the transverse sliding table module 33.

[0046] Reference is made to the accompanying drawings Figure 11 As shown in the drawings, another 5-station rotary table type turning-milling combined machining center has the following arrangement: the rotary table type machining table 2 comprises, in sequence from the anticlockwise direction, a feeding station, a first turning station, a first milling station, a second milling station and a second turning station; the feeding station is provided with a feeding mechanism 3, the first turning station is provided with a first turning mechanism 5, the first milling station is provided with a first milling mechanism 4, the second milling station is provided with a second milling mechanism 4, and the second turning station is provided with a second turning mechanism 5. The multi-station rotary table type turning-milling combined machining center of the present application can arrange the turning stations and the milling stations in any order and number according to the needs of the machining process of workpieces.

[0047] Although the specific embodiments of the present application have been described above, those skilled in the art should understand that the specific embodiments described are only illustrative, and are not intended to limit the scope of the present application, and equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present application should be covered by the scope of the claims of the present application.

Claims

1. A multi-station rotary turning and milling machining center, characterized in that: The system includes a base and a rotary machining table, with the rotary machining table installed at the center of the base. The rotary machining table has multiple machining stations for clamping workpieces. The base has a loading mechanism, at least one milling mechanism, and at least one turning mechanism, each corresponding to one of the multiple machining stations. The milling mechanism includes a horizontal servo slide, a vertical slide, and at least one milling saddle. The vertical slide is mounted on the horizontal servo slide, and the milling saddle is slidably mounted on the vertical slide. A power head and a milling head are mounted at the end of the milling saddle, with the milling head mounted at the end of the power head.

2. The multi-station rotary turning and milling machining center as described in claim 1, characterized in that: The bottom of the rotary machining table is equipped with a rotary drive motor that drives the rotary machining table to rotate, and multiple workstations are distributed in a circular array on the rotary machining table.

3. The multi-station rotary turning and milling machining center as described in claim 2, characterized in that: The vertical slide includes a column slide frame, a column slide plate, and a longitudinal drive mechanism for driving the column slide plate to rise and fall; the column slide plate is installed on one side of the column slide frame through a first sliding component, and an inner cavity is formed inside the column slide frame for the milling saddle to rise and fall and move towards the machining station, and the column slide plate has a through hole for the milling saddle to pass through and be fixedly installed on the column slide plate.

4. The multi-station rotary turning and milling machining center as described in claim 3, characterized in that: The milling saddle includes a sleeve base, a milling sleeve, and a milling motor; the sleeve base is fixedly sleeved on the through hole, the milling sleeve is connected to the sleeve base through a second sliding assembly, the milling motor is fixedly installed at the end of the milling sleeve away from the machining station, the milling motor is connected to the sleeve base through a second lead screw assembly, and the milling motor drives the milling sleeve to slide in the sleeve base to approach or move away from the workpiece; the power head and the milling head are installed at the end of the milling sleeve close to the workpiece.

5. The multi-station rotary turning and milling machining center as described in claim 4, characterized in that: The longitudinal drive mechanism includes a first longitudinal drive motor, a first lead screw, a first lead screw nut, and a nut seat; the first longitudinal drive motor is fixedly installed on the top of the column slide frame and connected to the first lead screw, the first lead screw nut is sleeved on the outside of the first lead screw and fixedly installed on the nut seat, and the nut seat is fixedly connected to the column slide plate; the first longitudinal drive motor drives the first lead screw to rotate, thereby driving the column slide plate to rise and fall along the column slide frame.

6. The multi-station rotary turning and milling machining center as described in claim 1, characterized in that: The milling mechanism includes two milling slides.

7. The multi-station rotary turning and milling machining center as described in claim 1, characterized in that: The turning mechanism includes an X-axis servo slide, a Y-axis servo slide, a column assembly, a first turning component, and a second turning component. The X-axis servo slide is mounted on a base, and the Y-axis servo slide is mounted on the X-axis servo slide. The sliding directions of the Y-axis servo slide and the X-axis servo slide are perpendicular to each other. The column assembly is fixedly mounted on the Y-axis servo slide. A vertical slide is mounted on the side of the column assembly facing the workstation via a third sliding component. A second longitudinal drive motor for driving the vertical slide to rise and fall is mounted on the top of the column assembly. The first turning component is fixedly mounted on the side of the vertical slide facing the workstation, and the second turning component is mounted on the bottom of the vertical slide via a fourth sliding component.

8. The multi-station rotary turning and milling machining center as described in claim 7, characterized in that: The first turning assembly performs vertical machining on the workpiece and includes a first turning motor and a first turning head; the second turning housing is fixedly connected to the fourth sliding assembly to perform horizontal machining on the workpiece and includes a second turning motor and a second turning head; the second turning assembly performs vertical fine-tuning through the fourth sliding assembly.

9. The multi-station rotary turning and milling machining center as described in claim 8, characterized in that: The first turning head includes a first housing, a first multi-axis spindle mounted on the first housing, an external threaded cover fixedly sleeved on the outside of the first multi-axis spindle, a collet mounted on the end of the first multi-axis spindle, a turning forming tool mounted on the shaft of the collet, and a nut threadedly mounted on the end of the first multi-axis spindle for fixing the collet; the structure of the second turning head is the same as that of the first turning head.

10. The multi-station rotary turning and milling machining center as described in claim 1, characterized in that: The feeding mechanism includes a right-angle frame, a longitudinal slide module, and a transverse slide module; the right-angle frame is fixedly installed on the base, the longitudinal slide module is fixedly installed on the right-angle frame, the transverse slide module is slidably installed on the longitudinal slide module, and a robotic arm for gripping workpieces is provided on the transverse slide module.

Images