Double-station turning and milling composite machine tool

Abstract

The invention provides a double-station turning and milling composite machine tool, and belongs to the field of machine tools. The problems that an existing turning and milling composite machine tool is not high in machining efficiency and single in machining mode are solved. The double-station turning and milling composite machine tool comprises a base, a stand column and two mounting seats, mounting tables are arranged on the base located on the two sides of the stand column, sliding supporting frames are arranged on the base respectively, the mounting tables are movably connected to the sliding supporting frames and driven by a rotating mechanism to turn over in the circumferential direction, and power swing heads are arranged on the two sides of the stand column and driven by the rotating mechanism to turn over in the circumferential direction. Two movable trusses are arranged on the stand column, tool magazines and tool changing mechanisms are further arranged on the two sides of the stand column, numerical control tool turrets are arranged on the two installation table bodies, cross-shaped supporting plate mechanisms are arranged between the installation tables and the numerical control tool turrets, and rigid pieces are arranged at the bottoms of the two sides of the stand column. The double-station machining device has the advantages of double stations, diversified machining modes and high machining efficiency.

Description

Technical Field

[0001] The invention belongs to the field of machine tools and relates to a turning-milling compound machine tool, in particular to a double-station turning-milling compound machine tool. Background Art

[0002] Compound machining is one of the most popular machining processes in the field of mechanical machining. It is an advanced manufacturing technology. The most widely used and most difficult compound machining is turning and milling compound machining. The turning and milling compound machining center is equivalent to a combination of a CNC lathe and a machining center.

[0003] A turning-milling compound lathe with a tailstock [application number CN202223335969.3] is disclosed in Chinese patent literature, which includes a frame, characterized in that: a first spindle is fixedly installed on the left end of the upper side of the frame, a first guide rail is fixedly installed on the upper side of the frame, a slide is slidably installed on the first guide rail, a second spindle is fixedly installed on the slide, the second spindle is arranged to the right of the first spindle, the second spindle and the first spindle are on the same axis, a second guide rail is fixedly installed on the upper side of the frame, two turrets are slidably installed on the second guide rail, the two turrets are symmetrically arranged with each other, a tool changing motor is fixedly installed on the side of the turret, a tool changing disc is fixedly installed on the rotor of the tool changing motor, and the tool changing disc is arranged behind the axis of the first spindle and the second spindle.

[0004] The above-mentioned dual-station turning-milling compound machine tool is equipped with dual stations, dual spindles, dual turrets, and dual channels to realize dual-station turning-milling compound processing, and can independently process products on the front and back sides. However, this technology also has shortcomings: with the continuous progress and development of the mechanical processing industry, the complexity and precision requirements of the products to be processed are constantly increasing. The structural adjustment performance of the machine tool is poor, and the actual position is fixed, resulting in low overall practical application value. It is suitable for processing technologies such as turning, drilling and milling. The processing motion trajectory is relatively single, and the processing efficiency for more complex processing parts is low. It cannot simultaneously meet the switching and synchronization of multi-directional processing motion trajectories. The application range is small and it can no longer meet the needs of modern mechanical processing. Summary of the invention

[0005] The purpose of the present invention is to provide a double-station turning-milling compound machine tool with high processing efficiency, good processing accuracy and good adjustment performance to solve the above problems in the prior art.

[0006] The purpose of the present invention can be achieved through the following technical solutions: A double-station turning and milling compound machine tool, comprising a base, a column arranged on the middle of the base, and two mounting seats located on both sides of the column, characterized in that the column and the mounting seat are an integrally formed structure and present a T-shaped structure, and the bases located on both sides of the column are provided with mounting tables for fixing and installing corresponding chuck tooling, and the bases are respectively provided with sliding support frames for driving the corresponding mounting tables to move horizontally; The mounting platform is movably connected to the sliding support frame and is driven to flip in the circumferential direction by a rotating mechanism; A power swing head for milling and circumferential rotation is arranged on both sides of the column, and two movable trusses are arranged on the column to respectively drive the power swing head to move up and down; A tool library for installing multiple milling tools and a tool changing mechanism for automatic tool changing of a power swing head are also arranged on both sides of the column; A CNC turret for turning processing is disposed on both of the two mounting platforms, and a cross support mechanism capable of driving the CNC turret to move horizontally and vertically is disposed between the mounting platform and the CNC turret; Rigid parts for increasing processing rigidity and providing support are arranged at the bottoms of both sides of the column.

[0007] In the above-mentioned dual-station turning and milling compound machine tool, the rotating mechanism includes a CNC turntable that can drive the mounting table to rotate circumferentially, two rotating disks that are fixedly connected to the CNC turntable and can rotate, and a driving motor for driving the rotating disks to rotate. The rotating disks are located on both sides of the CNC turntable and are installed on a sliding support frame.

[0008] In the above-mentioned dual-station turning-milling compound machine tool, the mounting table can achieve 180° circumferential flipping and rapid rotation through the cooperation of the CNC turntable, the rotating disk and the driving motor.

[0009] In the above-mentioned dual-station turning-milling compound machine tool, the longitudinal cross-section of the rigid part is arranged in an L-shaped structure, and a plurality of reinforcing ribs are arranged inside the rigid part to improve its compressive strength.

[0010] In the above-mentioned dual-station turning-milling compound machine tool, the rigid part can be an integrally formed structure, or a split structure arranged at the bottom of both sides of the column.

[0011] In the above-mentioned double-station turning and milling compound machine tool, both of the two mounting tables have an inclined table top, on which a linear guide rail is provided for the lateral movement of its cross-pallet mechanism, and a driving mechanism for driving the movement of the cross-pallet mechanism is also provided on the inclined table top.

[0012] In the above-mentioned dual-station turning-milling compound machine tool, two linear guide rails for the lateral movement of the sliding support frame are arranged on the bases located on both sides of the column, and two driving mechanisms for driving the sliding support frame to move are arranged.

[0013] In the above-mentioned double-station turning and milling compound machine tool, the cross-section of the movable truss is an L-shaped structure arranged on the column, and the column is provided with a movable guide rail for the movable truss to move up and down, and the column is respectively provided with three driving mechanisms for driving the corresponding movable trusses to move.

[0014] In the above-mentioned dual-station turning and milling compound machine tool, the tool magazine and the tool changing mechanism are both located above the two side edges of the column and above the mounting seat. The tool changing mechanism consists of an automatic tool changing arm for automatic tool changing and a servo motor for driving the automatic tool changing arm.

[0015] In the above-mentioned dual-station turning-milling compound machine tool, the corresponding fixture tooling can be fixedly installed on the mounting table according to actual processing requirements, and the mounting table can achieve synchronization with the power swing head milling and flipping through a rotating mechanism.

[0016] Compared with the existing technology, this dual-station turning and milling compound machine tool has the following advantages: 1. It adopts double-station processing to realize double-station turning and milling compound processing, and can independently perform a series of processing technologies such as workpiece turning and milling. In actual operation, it can be processed with multiple functions according to product requirements, including turning, milling, drilling and tapping. It can cooperate intelligently from small quantities and varieties to large-scale production, and realize the simultaneous processing of dual spindles, dual turrets, and dual channels on both sides, which greatly improves its processing efficiency; 2. It is equipped with a mounting table and a sliding support frame. With its rotating mechanism, it can realize multi-directional processing according to the product during processing, improve processing accuracy and processing efficiency, and at the same time, realize fast and smooth switching of turning and milling processes, which improves the automation and intelligence of the machine tool; 3. In order to increase the processing rigidity of the dual-station turning and milling compound machine tool, a rigid part and an integrated structure of the base, column and mounting seat are provided, which effectively improves the rigidity strength during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the double-station turning and milling compound machine tool.

[0018] Figure 2 It is a side view structural schematic diagram of the double-station turning and milling compound machine tool.

[0019] Figure 3 It is a partial three-dimensional structural schematic diagram of the dual-station turning and milling compound machine tool.

[0020] In the figure, 1. base; 2. column; 3. mounting seat; 4. mounting table; 5. sliding support frame; 6. power swing head; 7. mobile truss; 8. tool magazine; 9. CNC turret; 10. cross support mechanism; 11. rigid part; 12. CNC turntable; 13. rotating disk; 14. driving motor; 15. reinforcing rib; 16. linear guide rail 1; 17. linear guide rail 2; 18. mobile guide rail; 19. automatic tool changing arm; 20. servo motor. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0022] like Figure 1 , Figure 2 , Figure 3 As shown, the dual-station turning and milling compound machine tool comprises a base 1, a column 2 arranged on the middle of the base 1, and two mounting seats 3 located on both sides of the column 2. The column 2 and the mounting seat 3 are an integrally formed structure and present a T-shaped structure. The base 1 located on both sides of the column 2 is provided with a mounting table 4 for fixing and installing the corresponding chuck tooling. The base 1 is respectively provided with a sliding support frame 5 for driving the corresponding mounting table 4 to move horizontally. The mounting table 4 is movably connected to the sliding support frame 5 and is driven to flip circumferentially by a rotating mechanism. Both sides of the column 2 are provided with a mounting table for milling and A power swing head 6 can rotate circumferentially, and two movable trusses 7 are arranged on the column 2 for driving the power swing head 6 to move up and down respectively. A tool magazine 8 for installing multiple milling tools and a tool changing mechanism for automatic tool changing of the power swing head 6 are also arranged on both sides of the column 2. CNC turrets 9 for turning processing are arranged on the two mounting platforms 4. A cross-plate mechanism 10 that can drive the CNC turret 9 to move horizontally and vertically is arranged between the mounting platform 4 and the CNC turret 9. Rigid parts 11 for increasing processing rigidity and for support are arranged at the bottom of both sides of the column 2.

[0023] The structure is simple and reasonable in design, and adopts a double-station processing form to realize double-station turning and milling composite processing. It can independently perform a series of processing techniques such as workpiece turning and milling. In actual operation, it can be processed with multiple functions according to product requirements, including turning, milling, drilling and tapping. It can cooperate intelligently from small quantity and variety to large-scale production, and realize simultaneous processing of dual spindles, dual turrets, and dual channels on both sides, greatly improving its processing efficiency. At the same time, a mounting table 4 and a sliding support frame 5 are provided, and with their rotating mechanism, multi-directional processing can be realized according to the product during processing, improving processing accuracy and processing efficiency. At the same time, fast and smooth switching of processes such as turning and milling can be realized, thereby improving the automation and intelligence of the machine tool.

[0024] The driving mechanism 1, the driving mechanism 2 and the driving mechanism 3 all realize transmission by driving the driving motor 14 in cooperation with the ball screw.

[0025] To further elaborate, in order to improve the diversity and pluralism of machine tool processing, the rotating mechanism includes a CNC turntable 12 that can drive the mounting table 4 to rotate circumferentially, two rotating disks 13 fixedly connected to the CNC turntable 12 and rotatable, and a driving motor 14 for driving the rotating disks 13 to rotate. The rotating disks 13 are located on both sides of the CNC turntable 12 and are installed on the sliding support frame 5. The mounting table 4 can achieve 180° circumferential flipping and rapid rotation through the cooperation of the CNC turntable 12, the rotating disks 13 and the driving motor 14. The mounting table 4 can be fixedly installed on different tooling chucks according to the actual product processing requirements. This structure can effectively realize its processing diversification and improve the processing efficiency and processing accuracy.

[0026] To further elaborate, in order to improve the processing rigidity, the longitudinal cross-section of the rigid part 11 is set in an L-shaped structure, and a plurality of reinforcing ribs 15 for improving its compressive strength are arranged inside the rigid part 11. The rigid part 11 can adopt an integrally formed structure, or a split structure is arranged at the bottom of both sides of the column 2.

[0027] To be more specific, both mounting platforms 4 have an inclined table top, on which a linear guide rail 16 is disposed for the lateral movement of the cross-plate mechanism 10, and a driving mechanism 1 for driving the movement of the cross-plate mechanism 10 is also disposed on the inclined table top. The bases 1 on both sides of the column 2 are each provided with a linear guide rail 17 for the lateral movement of the sliding support frame 5, and a driving mechanism 2 for driving the movement of the sliding support frame 5 is disposed.

[0028] To further elaborate, in order to improve the rigidity of the machine tool processing, the cross-section of the movable truss 7 is L-shaped and is arranged on the column 2. The column 2 is provided with a movable guide rail 18 for the movable truss 7 to move up and down, and the column 2 is respectively provided with three driving mechanisms for driving the corresponding movable trusses 7 to move.

[0029] To elaborate further, the tool magazine 8 and the tool changing mechanism are both located above the two side edges of the column 2 and above the mounting seat 3. The tool changing mechanism consists of an automatic tool changing arm 19 for automatic tool changing and a servo motor 20 for driving the automatic tool changing arm 19 to work.

[0030] To further elaborate, in order to increase the processing rigidity of the dual-station turning and milling compound machine tool, a rigid part 11, and a base 1, a column 2 and a mounting seat 3 are provided as an integral structure, which effectively improves the rigidity strength during processing. The mounting table 4 can be fixedly installed with the corresponding fixture according to the actual processing requirements, and the mounting table 4 can realize milling and flipping synchronization with the power swing head 6 through a rotating mechanism. The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0031] Although the present invention uses the terms such as base 1, column 2, mounting seat 3, mounting platform 4, sliding support frame 5, power swing head 6, mobile truss 7, tool magazine 8, CNC turret 9, cross support mechanism 10, rigid part 11, CNC turntable 12, rotating disk 13, driving motor 14, reinforcing rib 15, linear guide rail 1 16, linear guide rail 2 17, mobile guide rail 18, automatic tool change arm 19, servo motor 20, etc. more frequently, the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A dual-station turning and milling machine tool, comprising a base (1), a column (2) arranged in the middle of the base (1), and two mounting seats (3) located on both sides of the column (2), characterized in that: The column (2) and the mounting seat (3) are integrally formed and have a T-shaped structure. The bases (1) located on both sides of the column (2) are provided with mounting platforms (4) for fixing and mounting corresponding chuck tooling, and the bases (1) are respectively provided with sliding support frames (5) for driving the corresponding mounting platforms (4) to move horizontally. The mounting platform (4) is movably connected to the sliding support frame (5) and is driven to flip in the circumferential direction by a rotating mechanism; A power swing head (6) for milling processing and capable of circumferential rotation is disposed on both sides of the column (2), and two movable trusses (7) are disposed on the column (2) for respectively driving the power swing head (6) to move up and down; A tool magazine (8) for installing a plurality of milling tools and a tool changing mechanism for automatically changing tools of a power swing head (6) are also provided on both sides of the column (2); A CNC turret (9) for turning processing is disposed on each of the two mounting platforms (4), and a cross support mechanism (10) capable of driving the CNC turret (9) to move horizontally and vertically is disposed between the mounting platform (4) and the CNC turret (9); Rigid parts (11) for increasing processing rigidity and providing support are arranged at the bottom of both sides of the column (2).

2. A dual-station turning-milling compound machine tool according to claim 1, characterized in that: The rotating mechanism comprises a numerically controlled turntable (12) capable of driving a mounting platform (4) to rotate circumferentially, two rotating disks (13) fixedly connected to the numerically controlled turntable (12) and capable of rotating, and a driving motor (14) for driving the rotating disks (13) to rotate, wherein the rotating disks (13) are located on both sides of the numerically controlled turntable (12) and are mounted on a sliding support frame (5).

3. A dual-station turning-milling compound machine tool according to claim 2, characterized in that: The mounting platform (4) can achieve 180° circumferential flipping and rapid rotation through the cooperation of a numerically controlled turntable (12), a rotating disk (13) and a driving motor (14).

4. A dual-station turning-milling compound machine tool according to claim 1, characterized in that: The longitudinal cross-section of the rigid part (11) is arranged in an L-shaped structure, and a plurality of reinforcing ribs (15) are arranged inside the rigid part (11) for improving its compressive strength.

5. A dual-station turning-milling compound machine tool according to claim 4, characterized in that: The rigid part (11) can be an integrally formed structure, or a split structure arranged at the bottom of both sides of the column (2).

6. A dual-station turning-milling compound machine tool according to claim 1, characterized in that: Both of the two mounting platforms (4) have an inclined table top, on which a linear guide rail (16) is provided for the cross-plate mechanism (10) to move laterally, and a driving mechanism (1) for driving the cross-plate mechanism (10) to move is also provided on the inclined table top.

7. A dual-station turning-milling compound machine tool according to claim 1, characterized in that: The base (1) located on both sides of the column (2) is provided with two linear guide rails (17) for the sliding support frame (5) to move horizontally, and is provided with two driving mechanisms for driving the sliding support frame (5) to move.

8. The dual-station turning-milling compound machine tool according to claim 1, characterized in that: The movable truss (7) has an L-shaped cross-section and is arranged on a column (2). The column (2) is provided with a movable guide rail (18) for the movable truss (7) to move up and down, and the column (2) is respectively provided with three driving mechanisms for driving the corresponding movable truss (7) to move.

9. The dual-station turning-milling compound machine tool according to claim 1, characterized in that: The tool magazine (8) and the tool changing mechanism are both located above the two side edges of the column (2) and above the mounting seat (3); the tool changing mechanism is composed of an automatic tool changing arm (19) for automatically changing tools and a servo motor (20) for driving the automatic tool changing arm (19) to work.

10. The dual-station turning-milling compound machine tool according to claim 1, characterized in that: The mounting table (4) can be fixedly mounted with a corresponding fixture according to actual processing requirements, and the mounting table (4) can achieve milling and flipping synchronization with the power swing head (6) through a rotating mechanism.

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